diff options
Diffstat (limited to 'src/guile/skribilo/engine')
| -rw-r--r-- | src/guile/skribilo/engine/Makefile.am | 5 | ||||
| -rw-r--r-- | src/guile/skribilo/engine/base.scm | 479 | ||||
| -rw-r--r-- | src/guile/skribilo/engine/context.scm | 1382 | ||||
| -rw-r--r-- | src/guile/skribilo/engine/html.scm | 2313 | ||||
| -rw-r--r-- | src/guile/skribilo/engine/html4.scm | 168 | ||||
| -rw-r--r-- | src/guile/skribilo/engine/latex-simple.scm | 103 | ||||
| -rw-r--r-- | src/guile/skribilo/engine/latex.scm | 1784 | ||||
| -rw-r--r-- | src/guile/skribilo/engine/lout.scm | 2891 | ||||
| -rw-r--r-- | src/guile/skribilo/engine/xml.scm | 115 |
9 files changed, 9240 insertions, 0 deletions
diff --git a/src/guile/skribilo/engine/Makefile.am b/src/guile/skribilo/engine/Makefile.am new file mode 100644 index 0000000..7b6ec2c --- /dev/null +++ b/src/guile/skribilo/engine/Makefile.am @@ -0,0 +1,5 @@ +guilemoduledir = $(GUILE_SITE)/skribilo/engine +dist_guilemodule_DATA = base.scm context.scm html.scm html4.scm \ + latex-simple.scm latex.scm \ + lout.scm \ + xml.scm diff --git a/src/guile/skribilo/engine/base.scm b/src/guile/skribilo/engine/base.scm new file mode 100644 index 0000000..8418e8b --- /dev/null +++ b/src/guile/skribilo/engine/base.scm @@ -0,0 +1,479 @@ +;;; base.scm -- BASE Skribe engine +;;; +;;; Copyright 2003, 2004 Manuel Serrano +;;; +;;; +;;; This program is free software; you can redistribute it and/or modify +;;; it under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 2 of the License, or +;;; (at your option) any later version. +;;; +;;; This program is distributed in the hope that it will be useful, +;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with this program; if not, write to the Free Software +;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +;;; USA. + +(define-skribe-module (skribilo engine base)) + +;*---------------------------------------------------------------------*/ +;* base-engine ... */ +;*---------------------------------------------------------------------*/ +(define base-engine + (default-engine-set! + (make-engine 'base + :version 'plain + :symbol-table '(("iexcl" "!") + ("cent" "c") + ("lguillemet" "\"") + ("not" "!") + ("registered" "(r)") + ("degree" "o") + ("plusminus" "+/-") + ("micro" "o") + ("paragraph" "p") + ("middot" ".") + ("rguillemet" "\"") + ("iquestion" "?") + ("Agrave" "À") + ("Aacute" "A") + ("Acircumflex" "Â") + ("Atilde" "A") + ("Amul" "A") + ("Aring" "A") + ("AEligature" "AE") + ("Oeligature" "OE") + ("Ccedilla" "Ç") + ("Egrave" "È") + ("Eacute" "É") + ("Ecircumflex" "Ê") + ("Euml" "E") + ("Igrave" "I") + ("Iacute" "I") + ("Icircumflex" "Î") + ("Iuml" "I") + ("ETH" "D") + ("Ntilde" "N") + ("Ograve" "O") + ("Oacute" "O") + ("Ocurcumflex" "O") + ("Otilde" "O") + ("Ouml" "O") + ("times" "x") + ("Oslash" "O") + ("Ugrave" "Ù") + ("Uacute" "U") + ("Ucircumflex" "Û") + ("Uuml" "Ü") + ("Yacute" "Y") + ("agrave" "à") + ("aacute" "a") + ("acircumflex" "â") + ("atilde" "a") + ("amul" "a") + ("aring" "a") + ("aeligature" "æ") + ("oeligature" "oe") + ("ccedilla" "ç") + ("egrave" "è") + ("eacute" "é") + ("ecircumflex" "ê") + ("euml" "e") + ("igrave" "i") + ("iacute" "i") + ("icircumflex" "î") + ("iuml" "i") + ("ntilde" "n") + ("ograve" "o") + ("oacute" "o") + ("ocurcumflex" "o") + ("otilde" "o") + ("ouml" "o") + ("divide" "/") + ("oslash" "o") + ("ugrave" "ù") + ("uacute" "u") + ("ucircumflex" "û") + ("uuml" "ü") + ("yacute" "y") + ("ymul" "y") + ;; punctuation + ("bullet" ".") + ("ellipsis" "...") + ("<-" "<-") + ("<--" "<--") + ("uparrow" "^;") + ("->" "->") + ("-->" "-->") + ("downarrow" "v") + ("<->" "<->") + ("<-->" "<-->") + ("<+" "<+") + ("<=" "<=;") + ("<==" "<==") + ("Uparrow" "^") + ("=>" "=>") + ("==>" "==>") + ("Downarrow" "v") + ("<=>" "<=>") + ("<==>" "<==>") + ;; Mathematical operators + ("asterisk" "*") + ("angle" "<") + ("and" "^;") + ("or" "v") + ("models" "|=") + ("vdash" "|-") + ("dashv" "-|") + ("sim" "~") + ("mid" "|") + ("langle" "<") + ("rangle" ">") + ;; LaTeX + ("circ" "o") + ("top" "T") + ("lhd" "<") + ("rhd" ">") + ("parallel" "||"))))) + +;*---------------------------------------------------------------------*/ +;* mark ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'symbol + :action (lambda (n e) + (let* ((s (markup-body n)) + (c (assoc s (engine-symbol-table e)))) + (if (pair? c) + (display (cadr c)) + (output s e))))) + +;*---------------------------------------------------------------------*/ +;* unref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'unref + :options 'all + :action (lambda (n e) + (let* ((s (markup-option n :skribe)) + (k (markup-option n 'kind)) + (f (cond + (s + (format #f "?~a@~a " k s)) + (else + (format #f "?~a " k)))) + (msg (list f (markup-body n))) + (n (list "[" (color :fg "red" (bold msg)) "]"))) + (skribe-eval n e)))) + +;*---------------------------------------------------------------------*/ +;* &the-bibliography ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&the-bibliography + :before (lambda (n e) + (let ((w (markup-writer-get 'table e))) + (and (writer? w) (invoke (writer-before w) n e)))) + :action (lambda (n e) + (when (pair? (markup-body n)) + (for-each (lambda (i) (output i e)) (markup-body n)))) + :after (lambda (n e) + (let ((w (markup-writer-get 'table e))) + (and (writer? w) (invoke (writer-after w) n e))))) + +;*---------------------------------------------------------------------*/ +;* &bib-entry ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry + :options '(:title) + :before (lambda (n e) + (invoke (writer-before (markup-writer-get 'tr e)) n e)) + :action (lambda (n e) + (let ((wtc (markup-writer-get 'tc e))) + ;; the label + (markup-option-add! n :valign 'top) + (markup-option-add! n :align 'right) + (invoke (writer-before wtc) n e) + (output n e (markup-writer-get '&bib-entry-label e)) + (invoke (writer-after wtc) n e) + ;; the body + (markup-option-add! n :valign 'top) + (markup-option-add! n :align 'left) + (invoke (writer-before wtc) n e) + (output n e (markup-writer-get '&bib-entry-body)) + (invoke (writer-after wtc) n e))) + :after (lambda (n e) + (invoke (writer-after (markup-writer-get 'tr e)) n e))) + +;*---------------------------------------------------------------------*/ +;* &bib-entry-label ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-label + :options '(:title) + :before "[" + :action (lambda (n e) (output (markup-option n :title) e)) + :after "]") + +;*---------------------------------------------------------------------*/ +;* &bib-entry-body ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-body + :action (lambda (n e) + (define (output-fields descr) + (let loop ((descr descr) + (pending #f) + (armed #f)) + (cond + ((null? descr) + 'done) + ((pair? (car descr)) + (if (eq? (caar descr) 'or) + (let ((o1 (cadr (car descr)))) + (if (markup-option n o1) + (loop (cons o1 (cdr descr)) + pending + #t) + (let ((o2 (caddr (car descr)))) + (loop (cons o2 (cdr descr)) + pending + armed)))) + (let ((o (markup-option n (cadr (car descr))))) + (if o + (begin + (if (and pending armed) + (output pending e)) + (output (caar descr) e) + (output o e) + (if (pair? (cddr (car descr))) + (output (caddr (car descr)) e)) + (loop (cdr descr) #f #t)) + (loop (cdr descr) pending armed))))) + ((symbol? (car descr)) + (let ((o (markup-option n (car descr)))) + (if o + (begin + (if (and armed pending) + (output pending e)) + (output o e) + (loop (cdr descr) #f #t)) + (loop (cdr descr) pending armed)))) + ((null? (cdr descr)) + (output (car descr) e)) + ((string? (car descr)) + (loop (cdr descr) + (if pending pending (car descr)) + armed)) + (else + (skribe-error 'output-bib-fields + "Illegal description" + (car descr)))))) + (output-fields + (case (markup-option n 'kind) + ((techreport) + `(author " -- " (or title url documenturl) " -- " + number ", " institution ", " + address ", " month ", " year ", " + ("pp. " pages) ".")) + ((article) + `(author " -- " (or title url documenturl) " -- " + journal ", " volume "" ("(" number ")") ", " + address ", " month ", " year ", " + ("pp. " pages) ".")) + ((inproceedings) + `(author " -- " (or title url documenturl) " -- " + booktitle ", " series ", " ("(" number ")") ", " + address ", " month ", " year ", " + ("pp. " pages) ".")) + ((book) + '(author " -- " (or title url documenturl) " -- " + publisher ", " address + ", " month ", " year ", " ("pp. " pages) ".")) + ((phdthesis) + '(author " -- " (or title url documenturl) " -- " type ", " + school ", " address + ", " month ", " year".")) + ((misc) + '(author " -- " (or title url documenturl) " -- " + publisher ", " address + ", " month ", " year".")) + (else + '(author " -- " (or title url documenturl) " -- " + publisher ", " address + ", " month ", " year ", " ("pp. " pages) ".")))))) + +;*---------------------------------------------------------------------*/ +;* &bib-entry-ident ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-ident + :action (lambda (n e) + (output (markup-option n 'number) e))) + +;*---------------------------------------------------------------------*/ +;* &bib-entry-title ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-title + :action (lambda (n e) + (skribe-eval (bold (markup-body n)) e))) + +;*---------------------------------------------------------------------*/ +;* &bib-entry-publisher ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-publisher + :action (lambda (n e) + (skribe-eval (it (markup-body n)) e))) + +;*---------------------------------------------------------------------*/ +;* &the-index ... @label the-index@ */ +;*---------------------------------------------------------------------*/ +(markup-writer '&the-index + :options '(:column) + :before (lambda (n e) + (output (markup-option n 'header) e)) + :action (lambda (n e) + (define (make-mark-entry n fst) + (let ((l (tr :class 'index-mark-entry + (td :colspan 2 :align 'left + (bold (it (sf n))))))) + (if fst + (list l) + (list (tr (td :colspan 2)) l)))) + (define (make-primary-entry n p) + (let* ((note (markup-option n :note)) + (b (markup-body n)) + (c (if note + (list b + (it (list " (" note ")"))) + b))) + (when p + (markup-option-add! b :text + (list (markup-option b :text) + ", p.")) + (markup-option-add! b :page #t)) + (tr :class 'index-primary-entry + (td :colspan 2 :valign 'top :align 'left c)))) + (define (make-secondary-entry n p) + (let* ((note (markup-option n :note)) + (b (markup-body n)) + (bb (markup-body b))) + (cond + ((not (or bb (is-markup? b 'url-ref))) + (skribe-error 'the-index + "Illegal entry" + b)) + (note + (let ((r (if bb + (it (ref :class "the-index-secondary" + :handle bb + :page p + :text (if p + (list note ", p.") + note))) + (it (ref :class "the-index-secondary" + :url (markup-option b :url) + :page p + :text (if p + (list note ", p.") + note)))))) + (tr :class 'index-secondary-entry + (td :valign 'top :align 'right :width 1. " ...") + (td :valign 'top :align 'left r)))) + (else + (let ((r (if bb + (ref :class "the-index-secondary" + :handle bb + :page p + :text (if p " ..., p." " ...")) + (ref :class "the-index-secondary" + :url (markup-option b :url) + :page p + :text (if p " ..., p." " ..."))))) + (tr :class 'index-secondary-entry + (td :valign 'top :align 'right :width 1.) + (td :valign 'top :align 'left r))))))) + (define (make-column ie p) + (let loop ((ie ie) + (f #t)) + (cond + ((null? ie) + '()) + ((not (pair? (car ie))) + (append (make-mark-entry (car ie) f) + (loop (cdr ie) #f))) + (else + (cons (make-primary-entry (caar ie) p) + (append (map (lambda (x) + (make-secondary-entry x p)) + (cdar ie)) + (loop (cdr ie) #f))))))) + (define (make-sub-tables ie nc p) + (let* ((l (length ie)) + (w (/ 100. nc)) + (iepc (let ((d (/ l nc))) + (if (integer? d) + (inexact->exact d) + (+ 1 (inexact->exact (truncate d)))))) + (split (list-split ie iepc))) + (tr (map (lambda (ies) + (td :valign 'top :width w + (if (pair? ies) + (table :width 100. (make-column ies p)) + ""))) + split)))) + (let* ((ie (markup-body n)) + (nc (markup-option n :column)) + (loc (ast-loc n)) + (pref (eq? (engine-custom e 'index-page-ref) #t)) + (t (cond + ((null? ie) + "") + ;; FIXME: Since we don't support + ;; `:&skribe-eval-location', we could set up a + ;; `parameterize' thing around `skribe-eval' to + ;; provide it with the right location information. + ((or (not (integer? nc)) (= nc 1)) + (table :width 100. + ;;:&skribe-eval-location loc + :class "index-table" + (make-column ie pref))) + (else + (table :width 100. + ;;:&skribe-eval-location loc + :class "index-table" + (make-sub-tables ie nc pref)))))) + (output (skribe-eval t e) e)))) + +;*---------------------------------------------------------------------*/ +;* &the-index-header ... */ +;* ------------------------------------------------------------- */ +;* The index header is only useful for targets that support */ +;* hyperlinks such as HTML. */ +;*---------------------------------------------------------------------*/ +(markup-writer '&the-index-header + :action (lambda (n e) #f)) + +;*---------------------------------------------------------------------*/ +;* &prog-line ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&prog-line + :before (lambda (n e) + (let ((n (markup-ident n))) + (if n (skribe-eval (it (list n) ": ") e)))) + :after "\n") + +;*---------------------------------------------------------------------*/ +;* line-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'line-ref + :options '(:offset) + :action (lambda (n e) + (let ((o (markup-option n :offset)) + (n (markup-ident (handle-body (markup-body n))))) + (skribe-eval (it (if (integer? o) (+ o n) n)) e)))) + + + +;;;; A VIRER (mais handle-body n'est pas défini) +(markup-writer 'line-ref + :options '(:offset) + :action #f) diff --git a/src/guile/skribilo/engine/context.scm b/src/guile/skribilo/engine/context.scm new file mode 100644 index 0000000..c9e0986 --- /dev/null +++ b/src/guile/skribilo/engine/context.scm @@ -0,0 +1,1382 @@ +;;;; +;;;; context.skr -- ConTeXt mode for Skribe +;;;; +;;;; Copyright © 2004 Erick Gallesio - I3S-CNRS/ESSI <eg@essi.fr> +;;;; +;;;; +;;;; This program is free software; you can redistribute it and/or modify +;;;; it under the terms of the GNU General Public License as published by +;;;; the Free Software Foundation; either version 2 of the License, or +;;;; (at your option) any later version. +;;;; +;;;; This program is distributed in the hope that it will be useful, +;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;;; GNU General Public License for more details. +;;;; +;;;; You should have received a copy of the GNU General Public License +;;;; along with this program; if not, write to the Free Software +;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +;;;; USA. +;;;; +;;;; Author: Erick Gallesio [eg@essi.fr] +;;;; Creation date: 23-Sep-2004 17:21 (eg) +;;;; Last file update: 3-Nov-2004 12:54 (eg) +;;;; + +(define-skribe-module (skribilo engine context)) + +;;;; ====================================================================== +;;;; context-customs ... +;;;; ====================================================================== +(define context-customs + '((source-comment-color "#ffa600") + (source-error-color "red") + (source-define-color "#6959cf") + (source-module-color "#1919af") + (source-markup-color "#1919af") + (source-thread-color "#ad4386") + (source-string-color "red") + (source-bracket-color "red") + (source-type-color "#00cf00") + (index-page-ref #t) + (image-format ("jpg")) + (font-size 11) + (font-type "roman") + (user-style #f) + (document-style "book"))) + +;;;; ====================================================================== +;;;; context-encoding ... +;;;; ====================================================================== +(define context-encoding + '((#\# "\\type{#}") + (#\| "\\type{|}") + (#\{ "$\\{$") + (#\} "$\\}$") + (#\~ "\\type{~}") + (#\& "\\type{&}") + (#\_ "\\type{_}") + (#\^ "\\type{^}") + (#\[ "\\type{[}") + (#\] "\\type{]}") + (#\< "\\type{<}") + (#\> "\\type{>}") + (#\$ "\\type{$}") + (#\% "\\%") + (#\\ "$\\backslash$"))) + +;;;; ====================================================================== +;;;; context-pre-encoding ... +;;;; ====================================================================== +(define context-pre-encoding + (append '((#\space "~") + (#\~ "\\type{~}")) + context-encoding)) + + +;;;; ====================================================================== +;;;; context-symbol-table ... +;;;; ====================================================================== +(define (context-symbol-table math) + `(("iexcl" "!`") + ("cent" "c") + ("pound" "\\pounds") + ("yen" "Y") + ("section" "\\S") + ("mul" ,(math "^-")) + ("copyright" "\\copyright") + ("lguillemet" ,(math "\\ll")) + ("not" ,(math "\\neg")) + ("degree" ,(math "^{\\small{o}}")) + ("plusminus" ,(math "\\pm")) + ("micro" ,(math "\\mu")) + ("paragraph" "\\P") + ("middot" ,(math "\\cdot")) + ("rguillemet" ,(math "\\gg")) + ("1/4" ,(math "\\frac{1}{4}")) + ("1/2" ,(math "\\frac{1}{2}")) + ("3/4" ,(math "\\frac{3}{4}")) + ("iquestion" "?`") + ("Agrave" "\\`{A}") + ("Aacute" "\\'{A}") + ("Acircumflex" "\\^{A}") + ("Atilde" "\\~{A}") + ("Amul" "\\\"{A}") + ("Aring" "{\\AA}") + ("AEligature" "{\\AE}") + ("Oeligature" "{\\OE}") + ("Ccedilla" "{\\c{C}}") + ("Egrave" "{\\`{E}}") + ("Eacute" "{\\'{E}}") + ("Ecircumflex" "{\\^{E}}") + ("Euml" "\\\"{E}") + ("Igrave" "{\\`{I}}") + ("Iacute" "{\\'{I}}") + ("Icircumflex" "{\\^{I}}") + ("Iuml" "\\\"{I}") + ("ETH" "D") + ("Ntilde" "\\~{N}") + ("Ograve" "\\`{O}") + ("Oacute" "\\'{O}") + ("Ocurcumflex" "\\^{O}") + ("Otilde" "\\~{O}") + ("Ouml" "\\\"{O}") + ("times" ,(math "\\times")) + ("Oslash" "\\O") + ("Ugrave" "\\`{U}") + ("Uacute" "\\'{U}") + ("Ucircumflex" "\\^{U}") + ("Uuml" "\\\"{U}") + ("Yacute" "\\'{Y}") + ("szlig" "\\ss") + ("agrave" "\\`{a}") + ("aacute" "\\'{a}") + ("acircumflex" "\\^{a}") + ("atilde" "\\~{a}") + ("amul" "\\\"{a}") + ("aring" "\\aa") + ("aeligature" "\\ae") + ("oeligature" "{\\oe}") + ("ccedilla" "{\\c{c}}") + ("egrave" "{\\`{e}}") + ("eacute" "{\\'{e}}") + ("ecircumflex" "{\\^{e}}") + ("euml" "\\\"{e}") + ("igrave" "{\\`{\\i}}") + ("iacute" "{\\'{\\i}}") + ("icircumflex" "{\\^{\\i}}") + ("iuml" "\\\"{\\i}") + ("ntilde" "\\~{n}") + ("ograve" "\\`{o}") + ("oacute" "\\'{o}") + ("ocurcumflex" "\\^{o}") + ("otilde" "\\~{o}") + ("ouml" "\\\"{o}") + ("divide" ,(math "\\div")) + ("oslash" "\\o") + ("ugrave" "\\`{u}") + ("uacute" "\\'{u}") + ("ucircumflex" "\\^{u}") + ("uuml" "\\\"{u}") + ("yacute" "\\'{y}") + ("ymul" "\\\"{y}") + ;; Greek + ("Alpha" "A") + ("Beta" "B") + ("Gamma" ,(math "\\Gamma")) + ("Delta" ,(math "\\Delta")) + ("Epsilon" "E") + ("Zeta" "Z") + ("Eta" "H") + ("Theta" ,(math "\\Theta")) + ("Iota" "I") + ("Kappa" "K") + ("Lambda" ,(math "\\Lambda")) + ("Mu" "M") + ("Nu" "N") + ("Xi" ,(math "\\Xi")) + ("Omicron" "O") + ("Pi" ,(math "\\Pi")) + ("Rho" "P") + ("Sigma" ,(math "\\Sigma")) + ("Tau" "T") + ("Upsilon" ,(math "\\Upsilon")) + ("Phi" ,(math "\\Phi")) + ("Chi" "X") + ("Psi" ,(math "\\Psi")) + ("Omega" ,(math "\\Omega")) + ("alpha" ,(math "\\alpha")) + ("beta" ,(math "\\beta")) + ("gamma" ,(math "\\gamma")) + ("delta" ,(math "\\delta")) + ("epsilon" ,(math "\\varepsilon")) + ("zeta" ,(math "\\zeta")) + ("eta" ,(math "\\eta")) + ("theta" ,(math "\\theta")) + ("iota" ,(math "\\iota")) + ("kappa" ,(math "\\kappa")) + ("lambda" ,(math "\\lambda")) + ("mu" ,(math "\\mu")) + ("nu" ,(math "\\nu")) + ("xi" ,(math "\\xi")) + ("omicron" ,(math "\\o")) + ("pi" ,(math "\\pi")) + ("rho" ,(math "\\rho")) + ("sigmaf" ,(math "\\varsigma")) + ("sigma" ,(math "\\sigma")) + ("tau" ,(math "\\tau")) + ("upsilon" ,(math "\\upsilon")) + ("phi" ,(math "\\varphi")) + ("chi" ,(math "\\chi")) + ("psi" ,(math "\\psi")) + ("omega" ,(math "\\omega")) + ("thetasym" ,(math "\\vartheta")) + ("piv" ,(math "\\varpi")) + ;; punctuation + ("bullet" ,(math "\\bullet")) + ("ellipsis" ,(math "\\ldots")) + ("weierp" ,(math "\\wp")) + ("image" ,(math "\\Im")) + ("real" ,(math "\\Re")) + ("tm" ,(math "^{\\sc\\tiny{tm}}")) + ("alef" ,(math "\\aleph")) + ("<-" ,(math "\\leftarrow")) + ("<--" ,(math "\\longleftarrow")) + ("uparrow" ,(math "\\uparrow")) + ("->" ,(math "\\rightarrow")) + ("-->" ,(math "\\longrightarrow")) + ("downarrow" ,(math "\\downarrow")) + ("<->" ,(math "\\leftrightarrow")) + ("<-->" ,(math "\\longleftrightarrow")) + ("<+" ,(math "\\hookleftarrow")) + ("<=" ,(math "\\Leftarrow")) + ("<==" ,(math "\\Longleftarrow")) + ("Uparrow" ,(math "\\Uparrow")) + ("=>" ,(math "\\Rightarrow")) + ("==>" ,(math "\\Longrightarrow")) + ("Downarrow" ,(math "\\Downarrow")) + ("<=>" ,(math "\\Leftrightarrow")) + ("<==>" ,(math "\\Longleftrightarrow")) + ;; Mathematical operators + ("forall" ,(math "\\forall")) + ("partial" ,(math "\\partial")) + ("exists" ,(math "\\exists")) + ("emptyset" ,(math "\\emptyset")) + ("infinity" ,(math "\\infty")) + ("nabla" ,(math "\\nabla")) + ("in" ,(math "\\in")) + ("notin" ,(math "\\notin")) + ("ni" ,(math "\\ni")) + ("prod" ,(math "\\Pi")) + ("sum" ,(math "\\Sigma")) + ("asterisk" ,(math "\\ast")) + ("sqrt" ,(math "\\surd")) + ("propto" ,(math "\\propto")) + ("angle" ,(math "\\angle")) + ("and" ,(math "\\wedge")) + ("or" ,(math "\\vee")) + ("cap" ,(math "\\cap")) + ("cup" ,(math "\\cup")) + ("integral" ,(math "\\int")) + ("models" ,(math "\\models")) + ("vdash" ,(math "\\vdash")) + ("dashv" ,(math "\\dashv")) + ("sim" ,(math "\\sim")) + ("cong" ,(math "\\cong")) + ("approx" ,(math "\\approx")) + ("neq" ,(math "\\neq")) + ("equiv" ,(math "\\equiv")) + ("le" ,(math "\\leq")) + ("ge" ,(math "\\geq")) + ("subset" ,(math "\\subset")) + ("supset" ,(math "\\supset")) + ("subseteq" ,(math "\\subseteq")) + ("supseteq" ,(math "\\supseteq")) + ("oplus" ,(math "\\oplus")) + ("otimes" ,(math "\\otimes")) + ("perp" ,(math "\\perp")) + ("mid" ,(math "\\mid")) + ("lceil" ,(math "\\lceil")) + ("rceil" ,(math "\\rceil")) + ("lfloor" ,(math "\\lfloor")) + ("rfloor" ,(math "\\rfloor")) + ("langle" ,(math "\\langle")) + ("rangle" ,(math "\\rangle")) + ;; Misc + ("loz" ,(math "\\diamond")) + ("spades" ,(math "\\spadesuit")) + ("clubs" ,(math "\\clubsuit")) + ("hearts" ,(math "\\heartsuit")) + ("diams" ,(math "\\diamondsuit")) + ("euro" "\\euro{}") + ;; ConTeXt + ("dag" "\\dag") + ("ddag" "\\ddag") + ("circ" ,(math "\\circ")) + ("top" ,(math "\\top")) + ("bottom" ,(math "\\bot")) + ("lhd" ,(math "\\triangleleft")) + ("rhd" ,(math "\\triangleright")) + ("parallel" ,(math "\\parallel")))) + +;;;; ====================================================================== +;;;; context-width +;;;; ====================================================================== +(define (context-width width) + (cond + ((string? width) + width) + ((and (number? width) (inexact? width)) + (string-append (number->string (/ width 100.)) "\\textwidth")) + (else + (string-append (number->string width) "pt")))) + +;;;; ====================================================================== +;;;; context-dim +;;;; ====================================================================== +(define (context-dim dimension) + (cond + ((string? dimension) + dimension) + ((number? dimension) + (string-append (number->string (inexact->exact (round dimension))) + "pt")))) + +;;;; ====================================================================== +;;;; context-url +;;;; ====================================================================== +(define(context-url url text e) + (let ((name (gensym 'url)) + (text (or text url))) + (printf "\\useURL[~A][~A][][" name url) + (output text e) + (printf "]\\from[~A]" name))) + +;;;; ====================================================================== +;;;; Color Management ... +;;;; ====================================================================== +(define *skribe-context-color-table* (make-hashtable)) + +(define (skribe-color->context-color spec) + (receive (r g b) + (skribe-color->rgb spec) + (let ((ff (exact->inexact #xff))) + (format "r=~a,g=~a,b=~a" + (number->string (/ r ff)) + (number->string (/ g ff)) + (number->string (/ b ff)))))) + + +(define (skribe-declare-used-colors) + (printf "\n%%Colors\n") + (for-each (lambda (spec) + (let ((c (hashtable-get *skribe-context-color-table* spec))) + (unless (string? c) + ;; Color was never used before + (let ((name (symbol->string (gensym 'col)))) + (hashtable-put! *skribe-context-color-table* spec name) + (printf "\\definecolor[~A][~A]\n" + name + (skribe-color->context-color spec)))))) + (skribe-get-used-colors)) + (newline)) + +(define (skribe-declare-standard-colors engine) + (for-each (lambda (x) + (skribe-use-color! (engine-custom engine x))) + '(source-comment-color source-define-color source-module-color + source-markup-color source-thread-color source-string-color + source-bracket-color source-type-color))) + +(define (skribe-get-color spec) + (let ((c (and (hashtable? *skribe-context-color-table*) + (hashtable-get *skribe-context-color-table* spec)))) + (if (not (string? c)) + (skribe-error 'context "Can't find color" spec) + c))) + +;;;; ====================================================================== +;;;; context-engine ... +;;;; ====================================================================== +(define context-engine + (default-engine-set! + (make-engine 'context + :version 1.0 + :format "context" + :delegate (find-engine 'base) + :filter (make-string-replace context-encoding) + :symbol-table (context-symbol-table (lambda (m) (format #f "$~a$" m))) + :custom context-customs))) + +;;;; ====================================================================== +;;;; document ... +;;;; ====================================================================== +(markup-writer 'document + :options '(:title :subtitle :author :ending :env) + :before (lambda (n e) + ;; Prelude + (printf "% interface=en output=pdftex\n") + (display "%%%% -*- TeX -*-\n") + (printf "%%%% File automatically generated by Skribe ~A on ~A\n\n" + (skribe-release) (date)) + ;; Make URLs active + (printf "\\setupinteraction[state=start]\n") + ;; Choose the document font + (printf "\\setupbodyfont[~a,~apt]\n" (engine-custom e 'font-type) + (engine-custom e 'font-size)) + ;; Color + (display "\\setupcolors[state=start]\n") + ;; Load Style + (printf "\\input skribe-context-~a.tex\n" + (engine-custom e 'document-style)) + ;; Insert User customization + (let ((s (engine-custom e 'user-style))) + (when s (printf "\\input ~a\n" s))) + ;; Output used colors + (skribe-declare-standard-colors e) + (skribe-declare-used-colors) + + (display "\\starttext\n\\StartTitlePage\n") + ;; title + (let ((t (markup-option n :title))) + (when t + (skribe-eval (new markup + (markup '&context-title) + (body t) + (options + `((subtitle ,(markup-option n :subtitle))))) + e + :env `((parent ,n))))) + ;; author(s) + (let ((a (markup-option n :author))) + (when a + (if (list? a) + ;; List of authors. Use multi-columns + (begin + (printf "\\defineparagraphs[Authors][n=~A]\n" (length a)) + (display "\\startAuthors\n") + (let Loop ((l a)) + (unless (null? l) + (output (car l) e) + (unless (null? (cdr l)) + (display "\\nextAuthors\n") + (Loop (cdr l))))) + (display "\\stopAuthors\n\n")) + ;; One author, that's easy + (output a e)))) + ;; End of the title + (display "\\StopTitlePage\n")) + :after (lambda (n e) + (display "\n\\stoptext\n"))) + + + +;;;; ====================================================================== +;;;; &context-title ... +;;;; ====================================================================== +(markup-writer '&context-title + :before "{\\DocumentTitle{" + :action (lambda (n e) + (output (markup-body n) e) + (let ((sub (markup-option n 'subtitle))) + (when sub + (display "\\\\\n\\switchtobodyfont[16pt]\\it{") + (output sub e) + (display "}\n")))) + :after "}}") + +;;;; ====================================================================== +;;;; author ... +;;;; ====================================================================== +(markup-writer 'author + :options '(:name :title :affiliation :email :url :address :phone :photo :align) + :action (lambda (n e) + (let ((name (markup-option n :name)) + (title (markup-option n :title)) + (affiliation (markup-option n :affiliation)) + (email (markup-option n :email)) + (url (markup-option n :url)) + (address (markup-option n :address)) + (phone (markup-option n :phone)) + (out (lambda (n) + (output n e) + (display "\\\\\n")))) + (display "{\\midaligned{") + (when name (out name)) + (when title (out title)) + (when affiliation (out affiliation)) + (when (pair? address) (for-each out address)) + (when phone (out phone)) + (when email (out email)) + (when url (out url)) + (display "}}\n")))) + + +;;;; ====================================================================== +;;;; toc ... +;;;; ====================================================================== +(markup-writer 'toc + :options '() + :action (lambda (n e) (display "\\placecontent\n"))) + +;;;; ====================================================================== +;;;; context-block-before ... +;;;; ====================================================================== +(define (context-block-before name name-unnum) + (lambda (n e) + (let ((num (markup-option n :number))) + (printf "\n\n%% ~a\n" (string-canonicalize (markup-ident n))) + (printf "\\~a[~a]{" (if num name name-unnum) + (string-canonicalize (markup-ident n))) + (output (markup-option n :title) e) + (display "}\n")))) + + +;;;; ====================================================================== +;;;; chapter, section, ... +;;;; ====================================================================== +(markup-writer 'chapter + :options '(:title :number :toc :file :env) + :before (context-block-before 'chapter 'title)) + + +(markup-writer 'section + :options '(:title :number :toc :file :env) + :before (context-block-before 'section 'subject)) + + +(markup-writer 'subsection + :options '(:title :number :toc :file :env) + :before (context-block-before 'subsection 'subsubject)) + + +(markup-writer 'subsubsection + :options '(:title :number :toc :file :env) + :before (context-block-before 'subsubsection 'subsubsubject)) + +;;;; ====================================================================== +;;;; paragraph ... +;;;; ====================================================================== +(markup-writer 'paragraph + :options '(:title :number :toc :env) + :after "\\par\n") + +;;;; ====================================================================== +;;;; footnote ... +;;;; ====================================================================== +(markup-writer 'footnote + :before "\\footnote{" + :after "}") + +;;;; ====================================================================== +;;;; linebreak ... +;;;; ====================================================================== +(markup-writer 'linebreak + :action "\\crlf ") + +;;;; ====================================================================== +;;;; hrule ... +;;;; ====================================================================== +(markup-writer 'hrule + :options '(:width :height) + :before (lambda (n e) + (printf "\\blackrule[width=~A,height=~A]\n" + (context-width (markup-option n :width)) + (context-dim (markup-option n :height))))) + +;;;; ====================================================================== +;;;; color ... +;;;; ====================================================================== +(markup-writer 'color + :options '(:bg :fg :width :margin :border) + :before (lambda (n e) + (let ((bg (markup-option n :bg)) + (fg (markup-option n :fg)) + (w (markup-option n :width)) + (m (markup-option n :margin)) + (b (markup-option n :border)) + (c (markup-option n :round-corner))) + (if (or bg w m b) + (begin + (printf "\\startframedtext[width=~a" (if w + (context-width w) + "fit")) + (printf ",rulethickness=~A" (if b (context-width b) "0pt")) + (when m + (printf ",offset=~A" (context-width m))) + (when bg + (printf ",background=color,backgroundcolor=~A" + (skribe-get-color bg))) + (when fg + (printf ",foregroundcolor=~A" + (skribe-get-color fg))) + (when c + (display ",framecorner=round")) + (printf "]\n")) + ;; Probably just a foreground was specified + (when fg + (printf "\\startcolor[~A] " (skribe-get-color fg)))))) + :after (lambda (n e) + (let ((bg (markup-option n :bg)) + (fg (markup-option n :fg)) + (w (markup-option n :width)) + (m (markup-option n :margin)) + (b (markup-option n :border))) + (if (or bg w m b) + (printf "\\stopframedtext ") + (when fg + (printf "\\stopcolor ")))))) +;;;; ====================================================================== +;;;; frame ... +;;;; ====================================================================== +(markup-writer 'frame + :options '(:width :border :margin) + :before (lambda (n e) + (let ((m (markup-option n :margin)) + (w (markup-option n :width)) + (b (markup-option n :border)) + (c (markup-option n :round-corner))) + (printf "\\startframedtext[width=~a" (if w + (context-width w) + "fit")) + (printf ",rulethickness=~A" (context-dim b)) + (printf ",offset=~A" (context-width m)) + (when c + (display ",framecorner=round")) + (printf "]\n"))) + :after "\\stopframedtext ") + +;;;; ====================================================================== +;;;; font ... +;;;; ====================================================================== +(markup-writer 'font + :options '(:size) + :action (lambda (n e) + (let* ((size (markup-option n :size)) + (cs (engine-custom e 'font-size)) + (ns (cond + ((and (integer? size) (exact? size)) + (if (> size 0) + size + (+ cs size))) + ((and (number? size) (inexact? size)) + (+ cs (inexact->exact size))) + ((string? size) + (let ((nb (string->number size))) + (if (not (number? nb)) + (skribe-error + 'font + (format #f "Illegal font size ~s" size) + nb) + (+ cs nb)))))) + (ne (make-engine (gensym 'context) + :delegate e + :filter (engine-filter e) + :symbol-table (engine-symbol-table e) + :custom `((font-size ,ns) + ,@(engine-customs e))))) + (printf "{\\switchtobodyfont[~apt]" ns) + (output (markup-body n) ne) + (display "}")))) + + +;;;; ====================================================================== +;;;; flush ... +;;;; ====================================================================== +(markup-writer 'flush + :options '(:side) + :before (lambda (n e) + (case (markup-option n :side) + ((center) + (display "\n\n\\midaligned{")) + ((left) + (display "\n\n\\leftaligned{")) + ((right) + (display "\n\n\\rightaligned{")))) + :after "}\n") + +;*---------------------------------------------------------------------*/ +;* center ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'center + :before "\n\n\\midaligned{" + :after "}\n") + +;;;; ====================================================================== +;;;; pre ... +;;;; ====================================================================== +(markup-writer 'pre + :before "{\\tt\n\\startlines\n\\fixedspaces\n" + :action (lambda (n e) + (let ((ne (make-engine + (gensym 'context) + :delegate e + :filter (make-string-replace context-pre-encoding) + :symbol-table (engine-symbol-table e) + :custom (engine-customs e)))) + (output (markup-body n) ne))) + :after "\n\\stoplines\n}") + +;;;; ====================================================================== +;;;; prog ... +;;;; ====================================================================== +(markup-writer 'prog + :options '(:line :mark) + :before "{\\tt\n\\startlines\n\\fixedspaces\n" + :action (lambda (n e) + (let ((ne (make-engine + (gensym 'context) + :delegate e + :filter (make-string-replace context-pre-encoding) + :symbol-table (engine-symbol-table e) + :custom (engine-customs e)))) + (output (markup-body n) ne))) + :after "\n\\stoplines\n}") + + +;;;; ====================================================================== +;;;; itemize, enumerate ... +;;;; ====================================================================== +(define (context-itemization-action n e descr?) + (let ((symbol (markup-option n :symbol))) + (for-each (lambda (item) + (if symbol + (begin + (display "\\sym{") + (output symbol e) + (display "}")) + ;; output a \item iff not a description + (unless descr? + (display " \\item "))) + (output item e) + (newline)) + (markup-body n)))) + +(markup-writer 'itemize + :options '(:symbol) + :before "\\startnarrower[left]\n\\startitemize[serried]\n" + :action (lambda (n e) (context-itemization-action n e #f)) + :after "\\stopitemize\n\\stopnarrower\n") + + +(markup-writer 'enumerate + :options '(:symbol) + :before "\\startnarrower[left]\n\\startitemize[n][standard]\n" + :action (lambda (n e) (context-itemization-action n e #f)) + :after "\\stopitemize\n\\stopnarrower\n") + +;;;; ====================================================================== +;;;; description ... +;;;; ====================================================================== +(markup-writer 'description + :options '(:symbol) + :before "\\startnarrower[left]\n\\startitemize[serried]\n" + :action (lambda (n e) (context-itemization-action n e #t)) + :after "\\stopitemize\n\\stopnarrower\n") + +;;;; ====================================================================== +;;;; item ... +;;;; ====================================================================== +(markup-writer 'item + :options '(:key) + :action (lambda (n e) + (let ((k (markup-option n :key))) + (when k + ;; Output the key(s) + (let Loop ((l (if (pair? k) k (list k)))) + (unless (null? l) + (output (bold (car l)) e) + (unless (null? (cdr l)) + (display "\\crlf\n")) + (Loop (cdr l)))) + (display "\\nowhitespace\\startnarrower[left]\n")) + ;; Output body + (output (markup-body n) e) + ;; Terminate + (when k + (display "\n\\stopnarrower\n"))))) + +;;;; ====================================================================== +;;;; blockquote ... +;;;; ====================================================================== +(markup-writer 'blockquote + :before "\n\\startnarrower[left,right]\n" + :after "\n\\stopnarrower\n") + + +;;;; ====================================================================== +;;;; figure ... +;;;; ====================================================================== +(markup-writer 'figure + :options '(:legend :number :multicolumns) + :action (lambda (n e) + (let ((ident (markup-ident n)) + (number (markup-option n :number)) + (legend (markup-option n :legend))) + (unless number + (display "{\\setupcaptions[number=off]\n")) + (display "\\placefigure\n") + (printf " [~a]\n" (string-canonicalize ident)) + (display " {") (output legend e) (display "}\n") + (display " {") (output (markup-body n) e) (display "}") + (unless number + (display "}\n"))))) + +;;;; ====================================================================== +;;;; table ... +;;;; ====================================================================== + ;; width doesn't work +(markup-writer 'table + :options '(:width :border :frame :rules :cellpadding) + :before (lambda (n e) + (let ((width (markup-option n :width)) + (border (markup-option n :border)) + (frame (markup-option n :frame)) + (rules (markup-option n :rules)) + (cstyle (markup-option n :cellstyle)) + (cp (markup-option n :cellpadding)) + (cs (markup-option n :cellspacing))) + (printf "\n{\\bTABLE\n") + (printf "\\setupTABLE[") + (printf "width=~A" (if width (context-width width) "fit")) + (when border + (printf ",rulethickness=~A" (context-dim border))) + (when cp + (printf ",offset=~A" (context-width cp))) + (printf ",frame=off]\n") + + (when rules + (let ((hor "\\setupTABLE[row][bottomframe=on,topframe=on]\n") + (vert "\\setupTABLE[c][leftframe=on,rightframe=on]\n")) + (case rules + ((rows) (display hor)) + ((cols) (display vert)) + ((all) (display hor) (display vert))))) + + (when frame + ;; hsides, vsides, lhs, rhs, box, border + (let ((top "\\setupTABLE[row][first][frame=off,topframe=on]\n") + (bot "\\setupTABLE[row][last][frame=off,bottomframe=on]\n") + (left "\\setupTABLE[c][first][frame=off,leftframe=on]\n") + (right "\\setupTABLE[c][last][frame=off,rightframe=on]\n")) + (case frame + ((above) (display top)) + ((below) (display bot)) + ((hsides) (display top) (display bot)) + ((lhs) (display left)) + ((rhs) (display right)) + ((vsides) (display left) (diplay right)) + ((box border) (display top) (display bot) + (display left) (display right))))))) + + :after (lambda (n e) + (printf "\\eTABLE}\n"))) + + +;;;; ====================================================================== +;;;; tr ... +;;;; ====================================================================== +(markup-writer 'tr + :options '(:bg) + :before (lambda (n e) + (display "\\bTR") + (let ((bg (markup-option n :bg))) + (when bg + (printf "[background=color,backgroundcolor=~A]" + (skribe-get-color bg))))) + :after "\\eTR\n") + + +;;;; ====================================================================== +;;;; tc ... +;;;; ====================================================================== +(markup-writer 'tc + :options '(:width :align :valign :colspan) + :before (lambda (n e) + (let ((th? (eq? 'th (markup-option n 'markup))) + (width (markup-option n :width)) + (align (markup-option n :align)) + (valign (markup-option n :valign)) + (colspan (markup-option n :colspan)) + (rowspan (markup-option n :rowspan)) + (bg (markup-option n :bg))) + (printf "\\bTD[") + (printf "width=~a" (if width (context-width width) "fit")) + (when valign + ;; This is buggy. In fact valign an align can't be both + ;; specified in ConTeXt + (printf ",align=~a" (case valign + ((center) 'lohi) + ((bottom) 'low) + ((top) 'high)))) + (when align + (printf ",align=~a" (case align + ((left) 'right) ; !!!! + ((right) 'left) ; !!!! + (else 'middle)))) + (unless (equal? colspan 1) + (printf ",nx=~a" colspan)) + (display "]") + (when th? + ;; This is a TH, output is bolded + (display "{\\bf{")))) + + :after (lambda (n e) + (when (equal? (markup-option n 'markup) 'th) + ;; This is a TH, output is bolded + (display "}}")) + (display "\\eTD"))) + +;;;; ====================================================================== +;;;; image ... +;;;; ====================================================================== +(markup-writer 'image + :options '(:file :url :width :height :zoom) + :action (lambda (n e) + (let* ((file (markup-option n :file)) + (url (markup-option n :url)) + (width (markup-option n :width)) + (height (markup-option n :height)) + (zoom (markup-option n :zoom)) + (body (markup-body n)) + (efmt (engine-custom e 'image-format)) + (img (or url (convert-image file + (if (list? efmt) + efmt + '("jpg")))))) + (if (not (string? img)) + (skribe-error 'context "Illegal image" file) + (begin + (printf "\\externalfigure[~A][frame=off" (strip-ref-base img)) + (if zoom (printf ",factor=~a" (inexact->exact zoom))) + (if width (printf ",width=~a" (context-width width))) + (if height (printf ",height=~apt" (context-dim height))) + (display "]")))))) + + +;;;; ====================================================================== +;;;; Ornaments ... +;;;; ====================================================================== +(markup-writer 'roman :before "{\\rm{" :after "}}") +(markup-writer 'bold :before "{\\bf{" :after "}}") +(markup-writer 'underline :before "{\\underbar{" :after "}}") +(markup-writer 'emph :before "{\\em{" :after "}}") +(markup-writer 'it :before "{\\it{" :after "}}") +(markup-writer 'code :before "{\\tt{" :after "}}") +(markup-writer 'var :before "{\\tt{" :after "}}") +(markup-writer 'sc :before "{\\sc{" :after "}}") +;;//(markup-writer 'sf :before "{\\sf{" :after "}}") +(markup-writer 'sub :before "{\\low{" :after "}}") +(markup-writer 'sup :before "{\\high{" :after "}}") + + +;;// +;;//(markup-writer 'tt +;;// :before "{\\texttt{" +;;// :action (lambda (n e) +;;// (let ((ne (make-engine +;;// (gensym 'latex) +;;// :delegate e +;;// :filter (make-string-replace latex-tt-encoding) +;;// :custom (engine-customs e) +;;// :symbol-table (engine-symbol-table e)))) +;;// (output (markup-body n) ne))) +;;// :after "}}") + +;;;; ====================================================================== +;;;; q ... +;;;; ====================================================================== +(markup-writer 'q + :before "\\quotation{" + :after "}") + +;;;; ====================================================================== +;;;; mailto ... +;;;; ====================================================================== +(markup-writer 'mailto + :options '(:text) + :action (lambda (n e) + (let ((text (markup-option n :text)) + (url (markup-body n))) + (when (pair? url) + (context-url (format #f "mailto:~A" (car url)) + (or text + (car url)) + e))))) +;;;; ====================================================================== +;;;; mark ... +;;;; ====================================================================== +(markup-writer 'mark + :before (lambda (n e) + (printf "\\reference[~a]{}\n" + (string-canonicalize (markup-ident n))))) + +;;;; ====================================================================== +;;;; ref ... +;;;; ====================================================================== +(markup-writer 'ref + :options '(:text :chapter :section :subsection :subsubsection + :figure :mark :handle :page) + :action (lambda (n e) + (let* ((text (markup-option n :text)) + (page (markup-option n :page)) + (c (handle-ast (markup-body n))) + (id (markup-ident c))) + (cond + (page ;; Output the page only (this is a hack) + (when text (output text e)) + (printf "\\at[~a]" + (string-canonicalize id))) + ((or (markup-option n :chapter) + (markup-option n :section) + (markup-option n :subsection) + (markup-option n :subsubsection)) + (if text + (printf "\\goto{~a}[~a]" (or text id) + (string-canonicalize id)) + (printf "\\in[~a]" (string-canonicalize id)))) + ((markup-option n :mark) + (printf "\\goto{~a}[~a]" + (or text id) + (string-canonicalize id))) + (else ;; Output a little image indicating the direction + (printf "\\in[~a]" (string-canonicalize id))))))) + +;;;; ====================================================================== +;;;; bib-ref ... +;;;; ====================================================================== +(markup-writer 'bib-ref + :options '(:text :bib) + :before (lambda (n e) (output "[" e)) + :action (lambda (n e) + (let* ((obj (handle-ast (markup-body n))) + (title (markup-option obj :title)) + (ref (markup-option title 'number)) + (ident (markup-ident obj))) + (printf "\\goto{~a}[~a]" ref (string-canonicalize ident)))) + :after (lambda (n e) (output "]" e))) + +;;;; ====================================================================== +;;;; bib-ref+ ... +;;;; ====================================================================== +(markup-writer 'bib-ref+ + :options '(:text :bib) + :before (lambda (n e) (output "[" e)) + :action (lambda (n e) + (let loop ((rs (markup-body n))) + (cond + ((null? rs) + #f) + (else + (if (is-markup? (car rs) 'bib-ref) + (invoke (writer-action (markup-writer-get 'bib-ref e)) + (car rs) + e) + (output (car rs) e)) + (if (pair? (cdr rs)) + (begin + (display ",") + (loop (cdr rs)))))))) + :after (lambda (n e) (output "]" e))) + +;;;; ====================================================================== +;;;; url-ref ... +;;;; ====================================================================== +(markup-writer 'url-ref + :options '(:url :text) + :action (lambda (n e) + (context-url (markup-option n :url) (markup-option n :text) e))) + +;;//;*---------------------------------------------------------------------*/ +;;//;* line-ref ... */ +;;//;*---------------------------------------------------------------------*/ +;;//(markup-writer 'line-ref +;;// :options '(:offset) +;;// :before "{\\textit{" +;;// :action (lambda (n e) +;;// (let ((o (markup-option n :offset)) +;;// (v (string->number (markup-option n :text)))) +;;// (cond +;;// ((and (number? o) (number? v)) +;;// (display (+ o v))) +;;// (else +;;// (display v))))) +;;// :after "}}") + + +;;;; ====================================================================== +;;;; &the-bibliography ... +;;;; ====================================================================== +(markup-writer '&the-bibliography + :before "\n% Bibliography\n\n") + + +;;;; ====================================================================== +;;;; &bib-entry ... +;;;; ====================================================================== +(markup-writer '&bib-entry + :options '(:title) + :action (lambda (n e) + (skribe-eval (mark (markup-ident n)) e) + (output n e (markup-writer-get '&bib-entry-label e)) + (output n e (markup-writer-get '&bib-entry-body e))) + :after "\n\n") + +;;;; ====================================================================== +;;;; &bib-entry-label ... +;;;; ====================================================================== +(markup-writer '&bib-entry-label + :options '(:title) + :before (lambda (n e) (output "[" e)) + :action (lambda (n e) (output (markup-option n :title) e)) + :after (lambda (n e) (output "] "e))) + +;;;; ====================================================================== +;;;; &bib-entry-title ... +;;;; ====================================================================== +(markup-writer '&bib-entry-title + :action (lambda (n e) + (let* ((t (bold (markup-body n))) + (en (handle-ast (ast-parent n))) + (url #f ) ;;;;;;;;;;;;;;;// (markup-option en 'url)) + (ht (if url (ref :url (markup-body url) :text t) t))) + (skribe-eval ht e)))) + + +;;//;*---------------------------------------------------------------------*/ +;;//;* &bib-entry-url ... */ +;;//;*---------------------------------------------------------------------*/ +;;//(markup-writer '&bib-entry-url +;;// :action (lambda (n e) +;;// (let* ((en (handle-ast (ast-parent n))) +;;// (url (markup-option en 'url)) +;;// (t (bold (markup-body url)))) +;;// (skribe-eval (ref :url (markup-body url) :text t) e)))) + + +;;;; ====================================================================== +;;;; &the-index ... +;;;; ====================================================================== +(markup-writer '&the-index + :options '(:column) + :action + (lambda (n e) + (define (make-mark-entry n) + (display "\\blank[medium]\n{\\bf\\it\\tfc{") + (skribe-eval (bold n) e) + (display "}}\\crlf\n")) + + (define (make-primary-entry n) + (let ((b (markup-body n))) + (markup-option-add! b :text (list (markup-option b :text) ", ")) + (markup-option-add! b :page #t) + (output n e))) + + (define (make-secondary-entry n) + (let* ((note (markup-option n :note)) + (b (markup-body n)) + (bb (markup-body b))) + (if note + (begin ;; This is another entry + (display "\\crlf\n ... ") + (markup-option-add! b :text (list note ", "))) + (begin ;; another line on an entry + (markup-option-add! b :text ", "))) + (markup-option-add! b :page #t) + (output n e))) + + ;; Writer body starts here + (let ((col (markup-option n :column))) + (when col + (printf "\\startcolumns[n=~a]\n" col)) + (for-each (lambda (item) + ;;(DEBUG "ITEM= ~S" item) + (if (pair? item) + (begin + (make-primary-entry (car item)) + (for-each (lambda (x) (make-secondary-entry x)) + (cdr item))) + (make-mark-entry item)) + (display "\\crlf\n")) + (markup-body n)) + (when col + (printf "\\stopcolumns\n"))))) + +;;;; ====================================================================== +;;;; &source-comment ... +;;;; ====================================================================== +(markup-writer '&source-comment + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-comment-color)) + (n1 (it (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;;;; ====================================================================== +;;;; &source-line-comment ... +;;;; ====================================================================== +(markup-writer '&source-line-comment + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-comment-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;;;; ====================================================================== +;;;; &source-keyword ... +;;;; ====================================================================== +(markup-writer '&source-keyword + :action (lambda (n e) + (skribe-eval (it (markup-body n)) e))) + +;;;; ====================================================================== +;;;; &source-error ... +;;;; ====================================================================== +(markup-writer '&source-error + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-error-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'error-color) cc) + (color :fg cc (it n1)) + (it n1)))) + (skribe-eval n2 e)))) + +;;;; ====================================================================== +;;;; &source-define ... +;;;; ====================================================================== +(markup-writer '&source-define + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-define-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;;;; ====================================================================== +;;;; &source-module ... +;;;; ====================================================================== +(markup-writer '&source-module + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-module-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;;;; ====================================================================== +;;;; &source-markup ... +;;;; ====================================================================== +(markup-writer '&source-markup + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-markup-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;;;; ====================================================================== +;;;; &source-thread ... +;;;; ====================================================================== +(markup-writer '&source-thread + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-thread-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;;;; ====================================================================== +;;;; &source-string ... +;;;; ====================================================================== +(markup-writer '&source-string + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-string-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;;;; ====================================================================== +;;;; &source-bracket ... +;;;; ====================================================================== +(markup-writer '&source-bracket + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-bracket-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc (bold n1)) + (it n1)))) + (skribe-eval n2 e)))) + +;;;; ====================================================================== +;;;; &source-type ... +;;;; ====================================================================== +(markup-writer '&source-type + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-type-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + (it n1)))) + (skribe-eval n2 e)))) + +;;;; ====================================================================== +;;;; &source-key ... +;;;; ====================================================================== +(markup-writer '&source-key + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-type-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc (bold n1)) + (it n1)))) + (skribe-eval n2 e)))) + +;;;; ====================================================================== +;;;; &source-type ... +;;;; ====================================================================== +(markup-writer '&source-type + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-type-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg "red" (bold n1)) + (bold n1)))) + (skribe-eval n2 e)))) + + + +;;;; ====================================================================== +;;;; Context Only Markups +;;;; ====================================================================== + +;;; +;;; Margin -- put text in the margin +;;; +(define-markup (margin #!rest opts #!key (ident #f) (class "margin") + (side 'right) text) + (new markup + (markup 'margin) + (ident (or ident (symbol->string (gensym 'ident)))) + (class class) + (required-options '(:text)) + (options (the-options opts :ident :class)) + (body (the-body opts)))) + +(markup-writer 'margin + :options '(:text) + :before (lambda (n e) + (display + "\\setupinmargin[align=right,style=\\tfx\\setupinterlinespace]\n") + (display "\\inright{") + (output (markup-option n :text) e) + (display "}{")) + :after "}") + +;;; +;;; ConTeXt and TeX +;;; +(define-markup (ConTeXt #!key (space #t)) + (if (engine-format? "context") + (! (if space "\\CONTEXT\\ " "\\CONTEXT")) + "ConTeXt")) + +(define-markup (TeX #!key (space #t)) + (if (engine-format? "context") + (! (if space "\\TEX\\ " "\\TEX")) + "ConTeXt")) + +;;;; ====================================================================== +;;;; Restore the base engine +;;;; ====================================================================== +(default-engine-set! (find-engine 'base)) diff --git a/src/guile/skribilo/engine/html.scm b/src/guile/skribilo/engine/html.scm new file mode 100644 index 0000000..6232b96 --- /dev/null +++ b/src/guile/skribilo/engine/html.scm @@ -0,0 +1,2313 @@ +;;; html.scm -- HTML engine. +;;; +;;; Copyright 2003, 2004 Manuel Serrano +;;; Copyright 2005, 2006 Ludovic Courtès <ludovic.courtes@laas.fr> +;;; +;;; +;;; This program is free software; you can redistribute it and/or modify +;;; it under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 2 of the License, or +;;; (at your option) any later version. +;;; +;;; This program is distributed in the hope that it will be useful, +;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with this program; if not, write to the Free Software +;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +;;; USA. + +(define-skribe-module (skribilo engine html) + :autoload (skribilo parameters) (*destination-file*) + :use-module ((srfi srfi-19) :renamer (symbol-prefix-proc 's19:))) + + +;; Keep a reference to the base engine. +(define base-engine (find-engine 'base)) + +(if (not (engine? base-engine)) + (error "bootstrap problem: base engine broken" base-engine)) + +;*---------------------------------------------------------------------*/ +;* html-file-default ... */ +;*---------------------------------------------------------------------*/ +(define html-file-default + ;; Default implementation of the `file-name-proc' custom. + (let ((table '()) + (filename (tmpnam))) + (define (get-file-name base suf) + (let* ((c (assoc base table)) + (n (if (pair? c) + (let ((n (+ 1 (cdr c)))) + (set-cdr! c n) + n) + (begin + (set! table (cons (cons base 1) table)) + 1)))) + (format #f "~a-~a.~a" base n suf))) + (lambda (node e) + (let ((f (markup-option node filename)) + (file (markup-option node :file))) + (cond + ((string? f) + f) + ((string? file) + file) + ((or file + (and (is-markup? node 'chapter) + (engine-custom e 'chapter-file)) + (and (is-markup? node 'section) + (engine-custom e 'section-file)) + (and (is-markup? node 'subsection) + (engine-custom e 'subsection-file)) + (and (is-markup? node 'subsubsection) + (engine-custom e 'subsubsection-file))) + (let* ((b (or (and (string? (*destination-file*)) + (prefix (*destination-file*))) + "")) + (s (or (and (string? (*destination-file*)) + (suffix (*destination-file*))) + "html")) + (nm (get-file-name b s))) + (markup-option-add! node filename nm) + nm)) + ((document? node) + (*destination-file*)) + (else + (let ((p (ast-parent node))) + (if (container? p) + (let ((file (html-file p e))) + (if (string? file) + (begin + (markup-option-add! node filename file) + file) + #f)) + #f)))))))) + +;*---------------------------------------------------------------------*/ +;* html-engine ... */ +;*---------------------------------------------------------------------*/ +(define-public html-engine + ;; setup the html engine + (default-engine-set! + (make-engine 'html + :version 1.0 + :format "html" + :delegate (find-engine 'base) + :filter (make-string-replace '((#\< "<") + (#\> ">") + (#\& "&") + (#\" """) + (#\@ "@"))) + :custom `(;; the icon associated with the URL + (favicon #f) + ;; charset used + (charset "ISO-8859-1") + ;; enable/disable Javascript + (javascript #f) + ;; user html head + (head #f) + ;; user CSS + (css ()) + ;; user inlined CSS + (inline-css ()) + ;; user JS + (js ()) + ;; emit-sui + (emit-sui #f) + ;; the body + (background #f) + (foreground #f) + ;; the margins + (margin-padding 3) + (left-margin #f) + (chapter-left-margin #f) + (section-left-margin #f) + (left-margin-font #f) + (left-margin-size 17.) + (left-margin-background #f) + (left-margin-foreground #f) + (right-margin #f) + (chapter-right-margin #f) + (section-right-margin #f) + (right-margin-font #f) + (right-margin-size 17.) + (right-margin-background #f) + (right-margin-foreground #f) + ;; author configuration + (author-font #f) + ;; title configuration + (title-font #f) + (title-background #f) + (title-foreground #f) + (file-title-separator " -- ") + ;; html file naming + (file-name-proc ,html-file-default) + ;; index configuration + (index-header-font-size #f) ;; +2. + ;; chapter configuration + (chapter-number->string number->string) + (chapter-file #f) + ;; section configuration + (section-title-start "<h3>") + (section-title-stop "</h3>") + (section-title-background #f) + (section-title-foreground #f) + (section-title-number-separator " ") + (section-number->string number->string) + (section-file #f) + ;; subsection configuration + (subsection-title-start "<h3>") + (subsection-title-stop "</h3>") + (subsection-title-background #f) + (subsection-title-foreground #f) + (subsection-title-number-separator " ") + (subsection-number->string number->string) + (subsection-file #f) + ;; subsubsection configuration + (subsubsection-title-start "<h4>") + (subsubsection-title-stop "</h4>") + (subsubsection-title-background #f) + (subsubsection-title-foreground #f) + (subsubsection-title-number-separator " ") + (subsubsection-number->string number->string) + (subsubsection-file #f) + ;; source fontification + (source-color #t) + (source-comment-color "#ffa600") + (source-error-color "red") + (source-define-color "#6959cf") + (source-module-color "#1919af") + (source-markup-color "#1919af") + (source-thread-color "#ad4386") + (source-string-color "red") + (source-bracket-color "red") + (source-type-color "#00cf00") + ;; image + (image-format ("png" "gif" "jpg" "jpeg"))) + :symbol-table '(("iexcl" "¡") + ("cent" "¢") + ("pound" "£") + ("currency" "¤") + ("yen" "¥") + ("section" "§") + ("mul" "¨") + ("copyright" "©") + ("female" "ª") + ("lguillemet" "«") + ("not" "¬") + ("registered" "®") + ("degree" "°") + ("plusminus" "±") + ("micro" "µ") + ("paragraph" "¶") + ("middot" "·") + ("male" "¸") + ("rguillemet" "»") + ("1/4" "¼") + ("1/2" "½") + ("3/4" "¾") + ("iquestion" "¿") + ("Agrave" "À") + ("Aacute" "Á") + ("Acircumflex" "Â") + ("Atilde" "Ã") + ("Amul" "Ä") + ("Aring" "Å") + ("AEligature" "Æ") + ("Oeligature" "Œ") + ("Ccedilla" "Ç") + ("Egrave" "È") + ("Eacute" "É") + ("Ecircumflex" "Ê") + ("Euml" "Ë") + ("Igrave" "Ì") + ("Iacute" "Í") + ("Icircumflex" "Î") + ("Iuml" "Ï") + ("ETH" "Ð") + ("Ntilde" "Ñ") + ("Ograve" "Ò") + ("Oacute" "Ó") + ("Ocurcumflex" "Ô") + ("Otilde" "Õ") + ("Ouml" "Ö") + ("times" "×") + ("Oslash" "Ø") + ("Ugrave" "Ù") + ("Uacute" "Ú") + ("Ucircumflex" "Û") + ("Uuml" "Ü") + ("Yacute" "Ý") + ("THORN" "Þ") + ("szlig" "ß") + ("agrave" "à") + ("aacute" "á") + ("acircumflex" "â") + ("atilde" "ã") + ("amul" "ä") + ("aring" "å") + ("aeligature" "æ") + ("oeligature" "œ") + ("ccedilla" "ç") + ("egrave" "è") + ("eacute" "é") + ("ecircumflex" "ê") + ("euml" "ë") + ("igrave" "ì") + ("iacute" "í") + ("icircumflex" "î") + ("iuml" "ï") + ("eth" "ð") + ("ntilde" "ñ") + ("ograve" "ò") + ("oacute" "ó") + ("ocurcumflex" "ô") + ("otilde" "õ") + ("ouml" "ö") + ("divide" "÷") + ("oslash" "ø") + ("ugrave" "ù") + ("uacute" "ú") + ("ucircumflex" "û") + ("uuml" "ü") + ("yacute" "ý") + ("thorn" "þ") + ("ymul" "ÿ") + ;; Greek + ("Alpha" "Α") + ("Beta" "Β") + ("Gamma" "Γ") + ("Delta" "Δ") + ("Epsilon" "Ε") + ("Zeta" "Ζ") + ("Eta" "Η") + ("Theta" "Θ") + ("Iota" "Ι") + ("Kappa" "Κ") + ("Lambda" "Λ") + ("Mu" "Μ") + ("Nu" "Ν") + ("Xi" "Ξ") + ("Omicron" "Ο") + ("Pi" "Π") + ("Rho" "Ρ") + ("Sigma" "Σ") + ("Tau" "Τ") + ("Upsilon" "Υ") + ("Phi" "Φ") + ("Chi" "Χ") + ("Psi" "Ψ") + ("Omega" "Ω") + ("alpha" "α") + ("beta" "β") + ("gamma" "γ") + ("delta" "δ") + ("epsilon" "ε") + ("zeta" "ζ") + ("eta" "η") + ("theta" "θ") + ("iota" "ι") + ("kappa" "κ") + ("lambda" "λ") + ("mu" "μ") + ("nu" "ν") + ("xi" "ξ") + ("omicron" "ο") + ("pi" "π") + ("rho" "ρ") + ("sigmaf" "ς") + ("sigma" "σ") + ("tau" "τ") + ("upsilon" "υ") + ("phi" "φ") + ("chi" "χ") + ("psi" "ψ") + ("omega" "ω") + ("thetasym" "ϑ") + ("piv" "ϖ") + ;; punctuation + ("bullet" "•") + ("ellipsis" "…") + ("weierp" "℘") + ("image" "ℑ") + ("real" "ℜ") + ("tm" "™") + ("alef" "ℵ") + ("<-" "←") + ("<--" "←") + ("uparrow" "↑") + ("->" "→") + ("-->" "→") + ("downarrow" "↓") + ("<->" "↔") + ("<-->" "↔") + ("<+" "↵") + ("<=" "⇐") + ("<==" "⇐") + ("Uparrow" "⇑") + ("=>" "⇒") + ("==>" "⇒") + ("Downarrow" "⇓") + ("<=>" "⇔") + ("<==>" "⇔") + ;; Mathematical operators + ("forall" "∀") + ("partial" "∂") + ("exists" "∃") + ("emptyset" "∅") + ("infinity" "∞") + ("nabla" "∇") + ("in" "∈") + ("notin" "∉") + ("ni" "∋") + ("prod" "∏") + ("sum" "∑") + ("asterisk" "∗") + ("sqrt" "√") + ("propto" "∝") + ("angle" "∠") + ("and" "∧") + ("or" "∨") + ("cap" "∩") + ("cup" "∪") + ("integral" "∫") + ("therefore" "∴") + ("models" "|=") + ("vdash" "|-") + ("dashv" "-|") + ("sim" "∼") + ("cong" "≅") + ("approx" "≈") + ("neq" "≠") + ("equiv" "≡") + ("le" "≤") + ("ge" "≥") + ("subset" "⊂") + ("supset" "⊃") + ("nsupset" "⊃") + ("subseteq" "⊆") + ("supseteq" "⊇") + ("oplus" "⊕") + ("otimes" "⊗") + ("perp" "⊥") + ("mid" "|") + ("lceil" "⌈") + ("rceil" "⌉") + ("lfloor" "⌊") + ("rfloor" "⌋") + ("langle" "〈") + ("rangle" "〉") + ;; Misc + ("loz" "◊") + ("spades" "♠") + ("clubs" "♣") + ("hearts" "♥") + ("diams" "♦") + ("euro" "ℐ") + ;; LaTeX + ("dag" "dag") + ("ddag" "ddag") + ("circ" "o") + ("top" "T") + ("bottom" "⊥") + ("lhd" "<") + ("rhd" ">") + ("parallel" "||"))))) + +;*---------------------------------------------------------------------*/ +;* html-file ... */ +;*---------------------------------------------------------------------*/ +(define (html-file n e) + (let ((proc (or (engine-custom e 'file-name-proc) html-file-default))) + (proc n e))) + +;*---------------------------------------------------------------------*/ +;* html-title-engine ... */ +;*---------------------------------------------------------------------*/ +(define html-title-engine + (copy-engine 'html-title base-engine + :filter (make-string-replace '((#\< "<") + (#\> ">") + (#\& "&") + (#\" """))))) + +;*---------------------------------------------------------------------*/ +;* html-browser-title ... */ +;*---------------------------------------------------------------------*/ +(define (html-browser-title n) + (and (markup? n) + (or (markup-option n :html-title) + (if (document? n) + (markup-option n :title) + (html-browser-title (ast-parent n)))))) + + +;*---------------------------------------------------------------------*/ +;* html-container-number ... */ +;* ------------------------------------------------------------- */ +;* Returns a string representing the container number */ +;*---------------------------------------------------------------------*/ +(define (html-container-number c e) + (define (html-number n proc) + (cond + ((string? n) + n) + ((number? n) + (if (procedure? proc) + (proc n) + (number->string n))) + (else + ""))) + (define (html-chapter-number c) + (html-number (markup-option c :number) + (engine-custom e 'chapter-number->string))) + (define (html-section-number c) + (let ((p (ast-parent c)) + (s (html-number (markup-option c :number) + (engine-custom e 'section-number->string)))) + (cond + ((is-markup? p 'chapter) + (string-append (html-chapter-number p) "." s)) + (else + (string-append s))))) + (define (html-subsection-number c) + (let ((p (ast-parent c)) + (s (html-number (markup-option c :number) + (engine-custom e 'subsection-number->string)))) + (cond + ((is-markup? p 'section) + (string-append (html-section-number p) "." s)) + (else + (string-append "." s))))) + (define (html-subsubsection-number c) + (let ((p (ast-parent c)) + (s (html-number (markup-option c :number) + (engine-custom e 'subsubsection-number->string)))) + (cond + ((is-markup? p 'subsection) + (string-append (html-subsection-number p) "." s)) + (else + (string-append ".." s))))) + (define (inner-html-container-number c) + (html-number (markup-option c :number) #f)) + (let ((n (markup-option c :number))) + (if (not n) + "" + (case (markup-markup c) + ((chapter) + (html-chapter-number c)) + ((section) + (html-section-number c)) + ((subsection) + (html-subsection-number c)) + ((subsubsection) + (html-subsubsection-number c)) + (else + (if (container? c) + (inner-html-container-number c) + (skribe-error 'html-container-number + "Not a container" + (markup-markup c)))))))) + +;*---------------------------------------------------------------------*/ +;* html-counter ... */ +;*---------------------------------------------------------------------*/ +(define (html-counter cnts) + (cond + ((not cnts) + "") + ((null? cnts) + "") + ((not (pair? cnts)) + cnts) + ((null? (cdr cnts)) + (format #f "~a." (car cnts))) + (else + (let loop ((cnts cnts)) + (if (null? (cdr cnts)) + (format #f "~a" (car cnts)) + (format #f "~a.~a" (car cnts) (loop (cdr cnts)))))))) + +;*---------------------------------------------------------------------*/ +;* html-width ... */ +;*---------------------------------------------------------------------*/ +(define-public (html-width width) + (cond + ((and (integer? width) (exact? width)) + (format #f "~A" width)) + ((real? width) + (format #f "~A%" (inexact->exact (round width)))) + ((string? width) + width) + (else + (skribe-error 'html-width "bad width" width)))) + +;*---------------------------------------------------------------------*/ +;* html-class ... */ +;*---------------------------------------------------------------------*/ +(define-public (html-class m) + (if (markup? m) + (let ((c (markup-class m))) + (if (or (string? c) (symbol? c) (number? c)) + (printf " class=\"~a\"" c))))) + +;*---------------------------------------------------------------------*/ +;* html-markup-class ... */ +;*---------------------------------------------------------------------*/ +(define-public (html-markup-class m) + (lambda (n e) + (printf "<~a" m) + (html-class n) + (display ">"))) + +;*---------------------------------------------------------------------*/ +;* html-color-spec? ... */ +;*---------------------------------------------------------------------*/ +(define (html-color-spec? v) + (and v + (not (unspecified? v)) + (or (not (string? v)) (> (string-length v) 0)))) + +;*---------------------------------------------------------------------*/ +;* document ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'document + :options '(:title :author :ending :html-title :env :keywords) + :action (lambda (n e) + (let* ((id (markup-ident n)) + (title (new markup + (markup '&html-document-title) + (parent n) + (ident (string-append id "-title")) + (class (markup-class n)) + (options `((author ,(markup-option n :author)))) + (body (markup-option n :title))))) + (&html-generic-document n title e))) + :after (lambda (n e) + (if (engine-custom e 'emit-sui) + (document-sui n e)))) + +;*---------------------------------------------------------------------*/ +;* &html-html ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-html + :before "<!-- 95% W3C COMPLIANT, 95% CSS FREE, RAW HTML --> +<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"> +<html>\n" + :after "</html>") + +;*---------------------------------------------------------------------*/ +;* &html-head ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-head + :before (lambda (n e) + (printf "<head>\n") + (printf "<meta http-equiv=\"Content-Type\" content=\"text/html;") + (printf "charset=~A\">\n" (engine-custom (find-engine 'html) + 'charset))) + :after "</head>\n\n") + +;*---------------------------------------------------------------------*/ +;* &html-meta ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-meta + :before "<meta name=\"keywords\" content=\"" + :action (lambda (n e) + (let ((kw* (map ast->string (or (markup-body n) '())))) + (output (keyword-list->comma-separated kw*) e))) + :after "\">\n") + +;*---------------------------------------------------------------------*/ +;* &html-body ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-body + :before (lambda (n e) + (let ((bg (engine-custom e 'background))) + (display "<body") + (html-class n) + (when (html-color-spec? bg) (printf " bgcolor=\"~a\"" bg)) + (display ">\n"))) + :after "</body>\n") + +;*---------------------------------------------------------------------*/ +;* &html-page ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-page + :action (lambda (n e) + (define (html-margin m fn size bg fg cla) + (printf "<td align=\"left\" valign=\"top\" class=\"~a\"" cla) + (if size + (printf " width=\"~a\"" (html-width size))) + (if (html-color-spec? bg) + (printf " bgcolor=\"~a\">" bg) + (display ">")) + (printf "<div class=\"~a\">\n" cla) + (cond + ((and (string? fg) (string? fn)) + (printf "<font color=\"~a\" \"~a\">" fg fn)) + ((string? fg) + (printf "<font color=\"~a\">" fg)) + ((string? fn) + (printf "<font \"~a\">" fn))) + (if (procedure? m) + (skribe-eval (m n e) e) + (output m e)) + (if (or (string? fg) (string? fn)) + (display "</font>")) + (display "</div></td>\n")) + (let ((body (markup-body n)) + (lm (engine-custom e 'left-margin)) + (lmfn (engine-custom e 'left-margin-font)) + (lms (engine-custom e 'left-margin-size)) + (lmbg (engine-custom e 'left-margin-background)) + (lmfg (engine-custom e 'left-margin-foreground)) + (rm (engine-custom e 'right-margin)) + (rmfn (engine-custom e 'right-margin-font)) + (rms (engine-custom e 'right-margin-size)) + (rmbg (engine-custom e 'right-margin-background)) + (rmfg (engine-custom e 'right-margin-foreground))) + (cond + ((and lm rm) + (let* ((ep (engine-custom e 'margin-padding)) + (ac (if (number? ep) ep 0))) + (printf "<table cellpadding=\"~a\" cellspacing=\"0\" width=\"100%\" class=\"skribilo-margins\"><tr>\n" ac)) + (html-margin lm lmfn lms lmbg lmfg "skribilo-left-margin") + (html-margin body #f #f #f #f "skribilo-body") + (html-margin rm rmfn rms rmbg rmfg "skribilo-right-margin") + (display "</tr></table>")) + (lm + (let* ((ep (engine-custom e 'margin-padding)) + (ac (if (number? ep) ep 0))) + (printf "<table cellpadding=\"~a\" cellspacing=\"0\" width=\"100%\" class=\"skribilo-margins\"><tr>\n" ac)) + (html-margin lm lmfn lms lmbg lmfg "skribilo-left-margin") + (html-margin body #f #f #f #f "skribilo-body") + (display "</tr></table>")) + (rm + (let* ((ep (engine-custom e 'margin-padding)) + (ac (if (number? ep) ep 0))) + (printf "<table cellpadding=\"~a\" cellspacing=\"0\" width=\"100%\" class=\"skribilo-margins\"><tr>\n")) + (html-margin body #f #f #f #f "skribilo-body") + (html-margin rm rmfn rms rmbg rmfg "skribilo-right-margin") + (display "</tr></table>")) + (else + (display "<div class=\"skribilo-body\">\n") + (output body e) + (display "</div>\n")))))) + +;*---------------------------------------------------------------------*/ +;* &html-generic-header ... */ +;*---------------------------------------------------------------------*/ +(define (&html-generic-header n e) + (let* ((ic (engine-custom e 'favicon)) + (id (markup-ident n))) + (unless (string? id) + (skribe-error '&html-generic-header + (format #f "Illegal identifier `~a'" id) + n)) + ;; title + (output (new markup + (markup '&html-header-title) + (parent n) + (ident (string-append id "-title")) + (class (markup-class n)) + (body (markup-body n))) + e) + ;; favicon + (output (new markup + (markup '&html-header-favicon) + (parent n) + (ident (string-append id "-favicon")) + (body (cond + ((string? ic) + ic) + ((procedure? ic) + (ic d e)) + (else #f)))) + e) + ;; style + (output (new markup + (markup '&html-header-style) + (parent n) + (ident (string-append id "-style")) + (class (markup-class n))) + e) + ;; css + (output (new markup + (markup '&html-header-css) + (parent n) + (ident (string-append id "-css")) + (body (let ((c (engine-custom e 'css))) + (if (string? c) + (list c) + c)))) + e) + ;; javascript + (output (new markup + (markup '&html-header-javascript) + (parent n) + (ident (string-append id "-javascript"))) + e))) + +(markup-writer '&html-header-title + :before "<title>" + :action (lambda (n e) + (output (markup-body n) html-title-engine)) + :after "</title>\n") + +(markup-writer '&html-header-favicon + :action (lambda (n e) + (let ((i (markup-body n))) + (when i + (printf " <link rel=\"shortcut icon\" href=~s>\n" i))))) + +(markup-writer '&html-header-css + :action (lambda (n e) + (let ((css (markup-body n))) + (when (pair? css) + (for-each (lambda (css) + (printf " <link href=~s rel=\"stylesheet\" type=\"text/css\">\n" css)) + css))))) + +(markup-writer '&html-header-style + :before " <style type=\"text/css\">\n <!--\n" + :action (lambda (n e) + (let ((hd (engine-custom e 'head)) + (icss (let ((ic (engine-custom e 'inline-css))) + (if (string? ic) + (list ic) + ic)))) + (display " pre { font-family: monospace }\n") + (display " tt { font-family: monospace }\n") + (display " code { font-family: monospace }\n") + (display " p.flushright { text-align: right }\n") + (display " p.flushleft { text-align: left }\n") + (display " span.sc { font-variant: small-caps }\n") + (display " span.sf { font-family: sans-serif }\n") + (display " span.skribetitle { font-family: sans-serif; font-weight: bolder; font-size: x-large; }\n") + (when hd (display (format #f " ~a\n" hd))) + (when (pair? icss) + (for-each (lambda (css) + (let ((p (open-input-file css))) + (if (not (input-port? p)) + (skribe-error + 'html-css + "Can't open CSS file for input" + css) + (begin + (let loop ((l (read-line p))) + (unless (eof-object? l) + (display l) + (newline) + (loop (read-line p)))) + (close-input-port p))))) + icss)))) + :after " -->\n </style>\n") + +(markup-writer '&html-header-javascript + :action (lambda (n e) + (when (engine-custom e 'javascript) + (display " <script language=\"JavaScript\" type=\"text/javascript\">\n") + (display " <!--\n") + (display " function skribenospam( n, d, f ) {\n") + (display " nn=n.replace( / /g , \".\" );\n" ) + (display " dd=d.replace( / /g , \".\" );\n" ) + (display " document.write( \"<a href=\\\"mailto:\" + nn + \"@\" + dd + \"\\\">\" );\n") + (display " if( f ) {\n") + (display " document.write( \"<tt>\" + nn + \"@\" + dd + \"</\" + \"tt><\" + \"/a>\" );\n") + (display " }\n") + (display " }\n") + (display " -->\n") + (display " </script>\n")) + (let* ((ejs (engine-custom e 'js)) + (js (cond + ((string? ejs) + (list ejs)) + ((list? ejs) + ejs) + (else + '())))) + (for-each (lambda (s) + (printf "<script type=\"text/javascript\" src=\"~a\"></script>" s)) + js)))) + + +;*---------------------------------------------------------------------*/ +;* &html-header ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-document-header :action &html-generic-header) +(markup-writer '&html-chapter-header :action &html-generic-header) +(markup-writer '&html-section-header :action &html-generic-header) +(markup-writer '&html-subsection-header :action &html-generic-header) +(markup-writer '&html-subsubsection-header :action &html-generic-header) + +;*---------------------------------------------------------------------*/ +;* &html-ending ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-ending + :before "<div class=\"skribilo-ending\">" + :action (lambda (n e) + (let ((body (markup-body n))) + (if body + (output body #t) + (skribe-eval + (list (hrule) + (p :class "ending" + (font :size -1 + (list "This HTML page was " + "produced by " + (ref :text "Skribilo" + :url (skribilo-url)) + "." + (linebreak) + "Last update: " + (s19:date->string + (s19:current-date)))))) + e)))) + :after "</div>\n") + +;*---------------------------------------------------------------------*/ +;* &html-generic-title ... */ +;*---------------------------------------------------------------------*/ +(define (&html-generic-title n e) + (let* ((title (markup-body n)) + (authors (markup-option n 'author)) + (tbg (engine-custom e 'title-background)) + (tfg (engine-custom e 'title-foreground)) + (tfont (engine-custom e 'title-font))) + (when title + (display "<table width=\"100%\" class=\"skribilo-title\" cellspacing=\"0\" cellpadding=\"0\"><tbody>\n<tr>") + (if (html-color-spec? tbg) + (printf "<td align=\"center\"~A>" + (if (html-color-spec? tbg) + (string-append "bgcolor=\"" tbg "\"") + "")) + (display "<td align=\"center\">")) + (if (string? tfg) + (printf "<font color=\"~a\">" tfg)) + (when title + (if (string? tfont) + (begin + (printf "<font ~a><strong>" tfont) + (output title e) + (display "</strong></font>")) + (begin + (printf "<div class=\"skribilo-title\"><strong><big>") + (output title e) + (display "</big></strong></div>")))) + (if (not authors) + (display "\n") + (html-title-authors authors e)) + (if (string? tfg) + (display "</font>")) + (display "</td></tr></tbody></table>\n")))) + +;*---------------------------------------------------------------------*/ +;* &html-document-title ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-document-title :action &html-generic-title) +(markup-writer '&html-chapter-title :action &html-generic-title) +(markup-writer '&html-section-title :action &html-generic-title) +(markup-writer '&html-subsection-title :action &html-generic-title) +(markup-writer '&html-subsubsection-title :action &html-generic-title) + +;*---------------------------------------------------------------------*/ +;* &html-footnotes */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-footnotes + :before (lambda (n e) + (let ((footnotes (markup-body n))) + (when (pair? footnotes) + (display "<div class=\"skribilo-footnote\">") + (display "<br><br>\n") + (display "<hr width='20%' size='2' align='left'>\n")))) + :action (lambda (n e) + (let ((footnotes (markup-body n))) + (when (pair? footnotes) + (let loop ((fns footnotes)) + (if (pair? fns) + (let ((fn (car fns))) + (printf "<a name=\"footnote-~a\">" + (string-canonicalize + (container-ident fn))) + (printf "<sup><small>~a</small></sup></a>: " + (markup-option fn :number)) + (output (markup-body fn) e) + (display "\n<br>\n") + (loop (cdr fns))))) + (display "<div>"))))) + +;*---------------------------------------------------------------------*/ +;* html-title-authors ... */ +;*---------------------------------------------------------------------*/ +(define-public (html-title-authors authors e) + (define (html-authorsN authors cols first) + (define (make-row authors . opt) + (tr (map (lambda (v) + (apply td :align 'center :valign 'top v opt)) + authors))) + (define (make-rows authors) + (let loop ((authors authors) + (rows '()) + (row '()) + (cnum 0)) + (cond + ((null? authors) + (reverse! (cons (make-row (reverse! row)) rows))) + ((= cnum cols) + (loop authors + (cons (make-row (reverse! row)) rows) + '() + 0)) + (else + (loop (cdr authors) + rows + (cons (car authors) row) + (+ cnum 1)))))) + (output (table :cellpadding 10 + (if first + (cons (make-row (list (car authors)) :colspan cols) + (make-rows (cdr authors))) + (make-rows authors))) + e)) + (cond + ((pair? authors) + (display "<center>\n") + (let ((len (length authors))) + (case len + ((1) + (output (car authors) e)) + ((2 3) + (html-authorsN authors len #f)) + ((4) + (html-authorsN authors 2 #f)) + (else + (html-authorsN authors 3 #t)))) + (display "</center>\n")) + (else + (html-title-authors (list authors) e)))) + +;*---------------------------------------------------------------------*/ +;* document-sui ... */ +;*---------------------------------------------------------------------*/ +(define (document-sui n e) + (define (sui) + (display "(sui \"") + (skribe-eval (markup-option n :title) html-title-engine) + (display "\"\n") + (printf " :file ~s\n" (sui-referenced-file n e)) + (sui-marks n e) + (sui-blocks 'chapter n e) + (sui-blocks 'section n e) + (sui-blocks 'subsection n e) + (sui-blocks 'subsubsection n e) + (display " )\n")) + (if (string? (*destination-file*)) + (let ((f (format #f "~a.sui" (prefix (*destination-file*))))) + (with-output-to-file f sui)) + (sui))) + +;*---------------------------------------------------------------------*/ +;* sui-referenced-file ... */ +;*---------------------------------------------------------------------*/ +(define (sui-referenced-file n e) + (let ((file (html-file n e))) + (if (member (suffix file) '("skb" "sui" "skr" "html")) + (string-append (strip-ref-base (prefix file)) ".html") + file))) + +;*---------------------------------------------------------------------*/ +;* sui-marks ... */ +;*---------------------------------------------------------------------*/ +(define (sui-marks n e) + (printf " (marks") + (for-each (lambda (m) + (printf "\n (~s" (markup-ident m)) + (printf " :file ~s" (sui-referenced-file m e)) + (printf " :mark ~s" (markup-ident m)) + (when (markup-class m) + (printf " :class ~s" (markup-class m))) + (display ")")) + (search-down (lambda (n) (is-markup? n 'mark)) n)) + (display ")\n")) + +;*---------------------------------------------------------------------*/ +;* sui-blocks ... */ +;*---------------------------------------------------------------------*/ +(define (sui-blocks kind n e) + (printf " (~as" kind) + (for-each (lambda (chap) + (display "\n (\"") + (skribe-eval (markup-option chap :title) html-title-engine) + (printf "\" :file ~s" (sui-referenced-file chap e)) + (printf " :mark ~s" (markup-ident chap)) + (when (markup-class chap) + (printf " :class ~s" (markup-class chap))) + (display ")")) + (container-search-down (lambda (n) (is-markup? n kind)) n)) + (display ")\n")) + +;*---------------------------------------------------------------------*/ +;* author ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'author + :options '(:name :title :affiliation :email :url :address :phone :photo :align) + :before (lambda (n e) + (display "<table") + (html-class n) + (display "><tbody>\n")) + :action (lambda (n e) + (let ((name (markup-option n :name)) + (title (markup-option n :title)) + (affiliation (markup-option n :affiliation)) + (email (markup-option n :email)) + (url (markup-option n :url)) + (address (markup-option n :address)) + (phone (markup-option n :phone)) + (nfn (engine-custom e 'author-font)) + (align (markup-option n :align))) + (define (row n) + (printf "<tr><td align=\"~a\">" align) + (output n e) + (display "</td></tr>")) + ;; name + (printf "<tr><td align=\"~a\">" align) + (if nfn (printf "<font ~a>\n" nfn)) + (output name e) + (if nfn (printf "</font>\n")) + (display "</td></tr>") + ;; title + (if title (row title)) + ;; affiliation + (if affiliation (row affiliation)) + ;; address + (if (pair? address) + (for-each row address)) + ;; telephone + (if phone (row phone)) + ;; email + (if email (row email)) + ;; url + (if url (row url)))) + :after "</tbody></table>") + +;*---------------------------------------------------------------------*/ +;* author ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'author + :options '(:name :title :affiliation :email :url :address :phone :photo :align) + :predicate (lambda (n e) (markup-option n :photo)) + :before (lambda (n e) + (display "<table") + (html-class n) + (display "><tbody>\n<tr>")) + :action (lambda (n e) + (let ((photo (markup-option n :photo))) + (display "<td>") + (output photo e) + (display "</td><td>") + (markup-option-add! n :photo #f) + (output n e) + (markup-option-add! n :photo photo) + (display "</td>"))) + :after "</tr>\n</tbody></table>") + +;*---------------------------------------------------------------------*/ +;* toc ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'toc + :options 'all + :action (lambda (n e) + (define (col n) + (let loop ((i 0)) + (if (< i n) + (begin + (display "<td></td>") + (loop (+ i 1)))))) + (define (toc-entry fe level) + (let* ((c (car fe)) + (ch (cdr fe)) + (t (markup-option c :title)) + (id (markup-ident c)) + (f (html-file c e))) + (unless (string? id) + (skribe-error 'toc + (format #f "illegal identifier `~a'" id) + c)) + (display " <tr>") + ;; blank columns + (col level) + ;; number + (printf "<td valign=\"top\" align=\"left\">~a</td>" + (html-container-number c e)) + ;; title + (printf "<td colspan=\"~a\" width=\"100%\">" + (- 4 level)) + (printf "<a href=\"~a#~a\">" + (if (and (*destination-file*) + (string=? f (*destination-file*))) + "" + (strip-ref-base (or f (*destination-file*) ""))) + (string-canonicalize id)) + (output (markup-option c :title) e) + (display "</a></td>") + (display "</tr>\n") + ;; the children + (for-each (lambda (n) (toc-entry n (+ 1 level))) ch))) + + (let* ((c (markup-option n :chapter)) + (s (markup-option n :section)) + (ss (markup-option n :subsection)) + (sss (markup-option n :subsubsection)) + (b (markup-body n)) + (bb (if (handle? b) + (handle-ast b) + b))) + (if (not (container? bb)) + (error 'toc + "Illegal body (container expected)" + (if (markup? bb) + (markup-markup bb) + "???")) + (let ((lst (find-down (lambda (x) + (and (markup? x) + (markup-option x :toc) + (or (and sss (is-markup? x 'subsubsection)) + (and ss (is-markup? x 'subsection)) + (and s (is-markup? x 'section)) + (and c (is-markup? x 'chapter)) + (markup-option n (symbol->keyword + (markup-markup x)))))) + (container-body bb)))) + ;; avoid to produce an empty table + (unless (null? lst) + (display "<table cellspacing=\"1\" cellpadding=\"1\" width=\"100%\"") + (html-class n) + (display ">\n<tbody>\n") + + (for-each (lambda (n) (toc-entry n 0)) lst) + + (display "</tbody>\n</table>\n"))))))) + +;*---------------------------------------------------------------------*/ +;* &html-generic-document ... */ +;*---------------------------------------------------------------------*/ +(define (&html-generic-document n title e) + (let* ((id (markup-ident n)) + (header (new markup + (markup '&html-chapter-header) + (ident (string-append id "-header")) + (class (markup-class n)) + (parent n) + (body (html-browser-title n)))) + (meta (new markup + (markup '&html-meta) + (ident (string-append id "-meta")) + (class (markup-class n)) + (parent n) + (body (markup-option (ast-document n) :keywords)))) + (head (new markup + (markup '&html-head) + (ident (string-append id "-head")) + (class (markup-class n)) + (parent n) + (body (list header meta)))) + (ftnote (new markup + (markup '&html-footnotes) + (ident (string-append id "-footnote")) + (class (markup-class n)) + (parent n) + (body (reverse! + (container-env-get n 'footnote-env))))) + (page (new markup + (markup '&html-page) + (ident (string-append id "-page")) + (class (markup-class n)) + (parent n) + (body (list (markup-body n) ftnote)))) + (ending (new markup + (markup '&html-ending) + (ident (string-append id "-ending")) + (class (markup-class n)) + (parent n) + (body (or (markup-option n :ending) + (let ((p (ast-document n))) + (and p (markup-option p :ending))))))) + (body (new markup + (markup '&html-body) + (ident (string-append id "-body")) + (class (markup-class n)) + (parent n) + (body (list title page ending)))) + (html (new markup + (markup '&html-html) + (ident (string-append id "-html")) + (class (markup-class n)) + (parent n) + (body (list head body))))) + ;; No file must be opened for documents. These files are + ;; directly opened by Skribe + (if (document? n) + (output html e) + (with-output-to-file (html-file n e) + (lambda () + (output html e)))))) + +;*---------------------------------------------------------------------*/ +;* &html-generic-subdocument ... */ +;*---------------------------------------------------------------------*/ +(define (&html-generic-subdocument n e) + (let* ((p (ast-document n)) + (id (markup-ident n)) + (ti (let* ((nb (html-container-number n e)) + (tc (markup-option n :title)) + (ti (if (document? p) + (list (markup-option p :title) + (engine-custom e 'file-title-separator) + tc) + tc)) + (sep (engine-custom + e + (symbol-append (markup-markup n) + '-title-number-separator))) + (nti (and tc + (if (and nb (not (equal? nb ""))) + (list nb + (if (unspecified? sep) ". " sep) + ti) + ti)))) + (new markup + (markup (symbol-append '&html- (markup-markup n) '-title)) + (ident (string-append id "-title")) + (parent n) + (options '((author ()))) + (body nti))))) + (case (markup-markup n) + ((chapter) + (skribe-message " [~s chapter: ~a]\n" (engine-ident e) id)) + ((section) + (skribe-message " [~s section: ~a]\n" (engine-ident e) id))) + (&html-generic-document n ti e))) + +;*---------------------------------------------------------------------*/ +;* chapter ... @label chapter@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'chapter + :options '(:title :number :file :toc :html-title :env) + :before (lambda (n e) + (let ((title (markup-option n :title)) + (ident (markup-ident n))) + (display "<!-- ") + (output title html-title-engine) + (display " -->\n") + (display "<a name=\"") + (display (string-canonicalize ident)) + (display "\"></a>\n") + (display "<center><h1") + (html-class n) + (display ">") + (output (html-container-number n e) e) + (display " ") + (output (markup-option n :title) e) + (display "</h1></center>"))) + :after "<br>") + +;; This writer is invoked only for chapters rendered inside separate files! +(markup-writer 'chapter + :options '(:title :number :file :toc :html-title :env) + :predicate (lambda (n e) + (or (markup-option n :file) + (engine-custom e 'chapter-file))) + :action &html-generic-subdocument) + +;*---------------------------------------------------------------------*/ +;* html-section-title ... */ +;*---------------------------------------------------------------------*/ +(define (html-section-title n e) + (let* ((title (markup-option n :title)) + (number (markup-option n :number)) + (c (markup-class n)) + (ident (markup-ident n)) + (kind (markup-markup n)) + (tbg (engine-custom e (symbol-append kind '-title-background))) + (tfg (engine-custom e (symbol-append kind '-title-foreground))) + (tstart (engine-custom e (symbol-append kind '-title-start))) + (tstop (engine-custom e (symbol-append kind '-title-stop))) + (nsep (engine-custom e (symbol-append kind '-title-number-separator)))) + ;; the section header + (display "<!-- ") + (output title html-title-engine) + (display " -->\n") + (display "<a name=\"") + (display (string-canonicalize ident)) + (display "\"></a>\n") + (if c + (printf "<div class=\"~a-title\">" c) + (printf "<div class=\"skribilo-~a-title\">" (markup-markup n))) + (when (html-color-spec? tbg) + (display "<table width=\"100%\">") + (printf "<tr><td bgcolor=\"~a\">" tbg)) + (display tstart) + (if tfg (printf "<font color=\"~a\">" tfg)) + (if number + (begin + (output (html-container-number n e) e) + (output nsep e))) + (output title e) + (if tfg (display "</font>\n")) + (display tstop) + (when (and (string? tbg) (> (string-length tbg) 0)) + (display "</td></tr></table>\n")) + (display "</div>") + (display "<div") + (html-class n) + (display ">")) + (newline)) + +;*---------------------------------------------------------------------*/ +;* section ... @label section@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'section + :options '(:title :html-title :number :toc :file :env) + :before html-section-title + :after "</div><br>\n") + +;; on-file section writer +(markup-writer 'section + :options '(:title :html-title :number :toc :file :env) + :predicate (lambda (n e) + (or (markup-option n :file) + (engine-custom e 'section-file))) + :action &html-generic-subdocument) + +;*---------------------------------------------------------------------*/ +;* subsection ... @label subsection@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'subsection + :options '(:title :html-title :number :toc :env :file) + :before html-section-title + :after "</div>\n") + +;; on-file subsection writer +(markup-writer 'section + :options '(:title :html-title :number :toc :file :env) + :predicate (lambda (n e) + (or (markup-option n :file) + (engine-custom e 'subsection-file))) + :action &html-generic-subdocument) + +;*---------------------------------------------------------------------*/ +;* subsubsection ... @label subsubsection@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'subsubsection + :options '(:title :html-title :number :toc :env :file) + :before html-section-title + :after "</div>\n") + +;; on-file subsection writer +(markup-writer 'section + :options '(:title :html-title :number :toc :file :env) + :predicate (lambda (n e) + (or (markup-option n :file) + (engine-custom e 'subsubsection-file))) + :action &html-generic-subdocument) + +;*---------------------------------------------------------------------*/ +;* paragraph ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'paragraph + :before (lambda (n e) + (when (and (>= (skribe-debug) 2) (location? (ast-loc n))) + (printf "<span style=\"display: block; position: relative; left: -2cm; font-size: x-small; font-style: italic; color: ff8e1e;\">~a</span>" + (ast-location n))) + ((html-markup-class "p") n e)) + :after "</p>") + +;*---------------------------------------------------------------------*/ +;* ~ ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '~ + :before " " + :after #f + :action #f) + +;*---------------------------------------------------------------------*/ +;* footnote ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'footnote + :options '(:label) + :action (lambda (n e) + (printf "<a href=\"#footnote-~a\"><sup><small>~a</small></sup></a>" + (string-canonicalize (container-ident n)) + (markup-option n :label)))) + +;*---------------------------------------------------------------------*/ +;* linebreak ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'linebreak + :before (lambda (n e) + (display "<br") + (html-class n) + (display "/>"))) + +;*---------------------------------------------------------------------*/ +;* hrule ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'hrule + :options '(:width :height) + :before (lambda (n e) + (let ((width (markup-option n :width)) + (height (markup-option n :height))) + (display "<hr") + (html-class n) + (if (< width 100) + (printf " width=\"~a\"" (html-width width))) + (if (> height 1) + (printf " size=\"~a\"" height)) + (display ">")))) + +;*---------------------------------------------------------------------*/ +;* color ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'color + :options '(:bg :fg :width :margin) + :before (lambda (n e) + (let ((m (markup-option n :margin)) + (w (markup-option n :width)) + (bg (markup-option n :bg)) + (fg (markup-option n :fg))) + (when (html-color-spec? bg) + (display "<table cellspacing=\"0\"") + (html-class n) + (printf " cellpadding=\"~a\"" (if m m 0)) + (if w (printf " width=\"~a\"" (html-width w))) + (display "><tbody>\n<tr>") + (display "<td bgcolor=\"") + (output bg e) + (display "\">")) + (when (html-color-spec? fg) + (display "<font color=\"") + (output fg e) + (display "\">")))) + :after (lambda (n e) + (when (html-color-spec? (markup-option n :fg)) + (display "</font>")) + (when (html-color-spec? (markup-option n :bg)) + (display "</td></tr>\n</tbody></table>")))) + +;*---------------------------------------------------------------------*/ +;* frame ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'frame + :options '(:width :margin :border) + :before (lambda (n e) + (let ((m (markup-option n :margin)) + (b (markup-option n :border)) + (w (markup-option n :width))) + (display "<table cellspacing=\"0\"") + (html-class n) + (printf " cellpadding=\"~a\"" (if m m 0)) + (printf " border=\"~a\"" (if b b 0)) + (if w (printf " width=\"~a\"" (html-width w))) + (display "><tbody>\n<tr><td>"))) + :after "</td></tr>\n</tbody></table>") + +;*---------------------------------------------------------------------*/ +;* font ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'font + :options '(:size :face) + :before (lambda (n e) + (let ((size (markup-option n :size)) + (face (markup-option n :face))) + (when (and (number? size) (inexact? size)) + (let ((s (if (> size 0) "<big>" "<small>")) + (d (if (> size 0) 1 -1))) + (do ((i (inexact->exact size) (- i d))) + ((= i 0)) + (display s)))) + (when (or (and (number? size) (exact? size)) face) + (display "<font") + (html-class n) + (when (and (number? size) (exact? size) (not (= size 0))) + (printf " size=\"~a\"" size)) + (when face (printf " face=\"~a\"" face)) + (display ">")))) + :after (lambda (n e) + (let ((size (markup-option n :size)) + (face (markup-option n :face))) + (when (or (and (number? size) (exact? size) (not (= size 0))) + face) + (display "</font>")) + (when (and (number? size) (inexact? size)) + (let ((s (if (> size 0) "</big>" "</small>")) + (d (if (> size 0) 1 -1))) + (do ((i (inexact->exact size) (- i d))) + ((= i 0)) + (display s))))))) + +;*---------------------------------------------------------------------*/ +;* flush ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'flush + :options '(:side) + :before (lambda (n e) + (case (markup-option n :side) + ((center) + (display "<center") + (html-class n) + (display ">\n")) + ((left) + (display "<p style=\"text-align:left;\"") + (html-class n) + (display ">\n")) + ((right) + (display "<table ") + (html-class n) + (display "width=\"100%\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr><td align=\"right\">")) + (else + (skribe-error 'flush + "Illegal side" + (markup-option n :side))))) + :after (lambda (n e) + (case (markup-option n :side) + ((center) + (display "</center>\n")) + ((right) + (display "</td></tr></table>\n")) + ((left) + (display "</p>\n"))))) + +;*---------------------------------------------------------------------*/ +;* center ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'center + :before (html-markup-class "center") + :after "</center>\n") + +;*---------------------------------------------------------------------*/ +;* pre ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'pre :before (html-markup-class "pre") :after "</pre>\n") + +;*---------------------------------------------------------------------*/ +;* prog ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'prog + :options '(:line :mark) + :before (html-markup-class "pre") + :after "</pre>\n") + +;*---------------------------------------------------------------------*/ +;* itemize ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'itemize + :options '(:symbol) + :before (html-markup-class "ul") + :action (lambda (n e) + (for-each (lambda (item) + (let ((ident (and (markup? item) + (markup-ident item)))) + (display "<li") + (html-class item) + (display ">") + (if ident ;; produce an anchor + (printf "\n<a name=\"~a\"></a>\n" + (string-canonicalize ident))) + (output item e) + (display "</li>\n"))) + (markup-body n))) + :after "</ul>") + +;*---------------------------------------------------------------------*/ +;* enumerate ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'enumerate + :options '(:symbol) + :before (html-markup-class "ol") + :action (lambda (n e) + (for-each (lambda (item) + (let ((ident (and (markup? item) + (markup-ident item)))) + (display "<li") + (html-class item) + (display ">") + (if ident ;; produce an anchor + (printf "\n<a name=\"~a\"></a>\n" ident)) + (output item e) + (display "</li>\n"))) + (markup-body n))) + :after "</ol>") + +;*---------------------------------------------------------------------*/ +;* description ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'description + :options '(:symbol) + :before (html-markup-class "dl") + :action (lambda (n e) + (for-each (lambda (item) + (let ((k (markup-option item :key))) + (for-each (lambda (i) + (display " <dt") + (html-class i) + (display ">") + (output i e) + (display "</dt>")) + (if (pair? k) k (list k))) + (display "<dd") + (html-class item) + (display ">") + (output (markup-body item) e) + (display "</dd>\n"))) + (markup-body n))) + :after "</dl>") + +;*---------------------------------------------------------------------*/ +;* item ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'item + :options '(:key) + :action (lambda (n e) + (let ((k (markup-option n :key))) + (if k + (begin + (display "<b") + (html-class n) + (display ">") + (output k e) + (display "</b> ")))) + (output (markup-body n) e))) + +;*---------------------------------------------------------------------*/ +;* blockquote ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'blockquote + :options '() + :before (lambda (n e) + (display "<blockquote ") + (html-class n) + (display ">\n")) + :after "\n</blockquote>\n") + +;*---------------------------------------------------------------------*/ +;* figure ... @label figure@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'figure + :options '(:legend :number :multicolumns :legend-width) + :before (html-markup-class "br") + :action (lambda (n e) + (let ((ident (markup-ident n)) + (number (markup-option n :number)) + (legend (markup-option n :legend))) + (display "<a name=\"") + (display (string-canonicalize ident)) + (display "\"></a>\n") + (output (markup-body n) e) + (display "<br>\n") + (output (new markup + (markup '&html-figure-legend) + (parent n) + (ident (string-append ident "-legend")) + (class (markup-class n)) + (options `((:number ,number))) + (body legend)) + e))) + :after "<br>") + +;*---------------------------------------------------------------------*/ +;* &html-figure-legend ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-figure-legend + :options '(:number) + :before (lambda (n e) + (display "<center>") + (let ((number (markup-option n :number)) + (legend (markup-option n :legend))) + (if number + (printf "<strong>Fig. ~a:</strong> " number) + (printf "<strong>Fig. :</strong> ")))) + :after "</center>") + +;*---------------------------------------------------------------------*/ +;* table ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'table + :options '(:border :width :frame :rules :cellstyle :cellpadding :cellspacing) + :before (lambda (n e) + (let ((width (markup-option n :width)) + (border (markup-option n :border)) + (frame (markup-option n :frame)) + (rules (markup-option n :rules)) + (cstyle (markup-option n :cellstyle)) + (cp (markup-option n :cellpadding)) + (cs (markup-option n :cellspacing))) + (display "<table") + (html-class n) + (if width (printf " width=\"~a\"" (html-width width))) + (if border (printf " border=\"~a\"" border)) + (if (and (number? cp) (>= cp 0)) + (printf " cellpadding=\"~a\"" cp)) + (if (and (number? cs) (>= cs 0)) + (printf " cellspacing=\"~a\"" cs)) + (cond + ((symbol? cstyle) + (printf " style=\"border-collapse: ~a;\"" cstyle)) + ((string? cstyle) + (printf " style=\"border-collapse: separate; border-spacing=~a\"" cstyle)) + ((number? cstyle) + (printf " style=\"border-collapse: separate; border-spacing=~apt\"" cstyle))) + (if frame + (printf " frame=\"~a\"" + (if (eq? frame 'none) "void" frame))) + (if (and rules (not (eq? rules 'header))) + (printf " rules=\"~a\"" rules)) + (display "><tbody>\n"))) + :after "</tbody></table>\n") + +;*---------------------------------------------------------------------*/ +;* tr ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'tr + :options '(:bg) + :before (lambda (n e) + (let ((bg (markup-option n :bg))) + (display "<tr") + (html-class n) + (when (html-color-spec? bg) (printf " bgcolor=\"~a\"" bg)) + (display ">"))) + :after "</tr>\n") + +;*---------------------------------------------------------------------*/ +;* tc ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'tc + :options '(markup :width :align :valign :colspan :rowspan :bg) + :before (lambda (n e) + (let ((markup (or (markup-option n 'markup) 'td)) + (width (markup-option n :width)) + (align (markup-option n :align)) + (valign (let ((v (markup-option n :valign))) + (cond + ((or (eq? v 'center) + (equal? v "center")) + "middle") + (else + v)))) + (colspan (markup-option n :colspan)) + (rowspan (markup-option n :rowspan)) + (bg (markup-option n :bg))) + (printf "<~a" markup) + (html-class n) + (if width (printf " width=\"~a\"" (html-width width))) + (if align (printf " align=\"~a\"" align)) + (if valign (printf " valign=\"~a\"" valign)) + (if colspan (printf " colspan=\"~a\"" colspan)) + (if rowspan (printf " rowspan=\"~a\"" rowspan)) + (when (html-color-spec? bg) + (printf " bgcolor=\"~a\"" bg)) + (display ">"))) + :after (lambda (n e) + (let ((markup (or (markup-option n 'markup) 'td))) + (printf "</~a>" markup)))) + +;*---------------------------------------------------------------------*/ +;* image ... @label image@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'image + :options '(:file :url :width :height) + :action (lambda (n e) + (let* ((file (markup-option n :file)) + (url (markup-option n :url)) + (width (markup-option n :width)) + (height (markup-option n :height)) + (body (markup-body n)) + (efmt (engine-custom e 'image-format)) + (img (or url (convert-image file + (if (list? efmt) + efmt + '("gif" "jpg" "png")))))) + (if (not (string? img)) + (skribe-error 'html "Illegal image" file) + (begin + (printf "<img src=\"~a\" border=\"0\"" img) + (html-class n) + (if body + (begin + (display " alt=\"") + (output body e) + (display "\"")) + (printf " alt=\"~a\"" file)) + (if width (printf " width=\"~a\"" (html-width width))) + (if height (printf " height=\"~a\"" height)) + (display ">")))))) + +;*---------------------------------------------------------------------*/ +;* Ornaments ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'roman :before "") +(markup-writer 'bold :before (html-markup-class "strong") :after "</strong>") +(markup-writer 'underline :before (html-markup-class "u") :after "</u>") +(markup-writer 'strike :before (html-markup-class "strike") :after "</strike>") +(markup-writer 'emph :before (html-markup-class "em") :after "</em>") +(markup-writer 'kbd :before (html-markup-class "kbd") :after "</kbd>") +(markup-writer 'it :before (html-markup-class "em") :after "</em>") +(markup-writer 'tt :before (html-markup-class "tt") :after "</tt>") +(markup-writer 'code :before (html-markup-class "code") :after "</code>") +(markup-writer 'var :before (html-markup-class "var") :after "</var>") +(markup-writer 'samp :before (html-markup-class "samp") :after "</samp>") +(markup-writer 'sc :before "<span class=\"sc\">" :after "</span>") +(markup-writer 'sf :before "<span class=\"sf\">" :after "</span>") +(markup-writer 'sub :before (html-markup-class "sub") :after "</sub>") +(markup-writer 'sup :before (html-markup-class "sup") :after "</sup>") + +;*---------------------------------------------------------------------*/ +;* q ... @label q@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'q + :before "\"" + :after "\"") + +;*---------------------------------------------------------------------*/ +;* mailto ... @label mailto@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'mailto + :options '(:text) + :action (lambda (n e) + (let ((text (markup-option n :text))) + (display "<a href=\"mailto:") + (output (markup-body n) e) + (display #\") + (html-class n) + (display #\>) + (if text + (output text e) + (skribe-eval (tt (markup-body n)) e)) + (display "</a>")))) + +;*---------------------------------------------------------------------*/ +;* mailto ... @label mailto@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'mailto + :options '(:text) + :predicate (lambda (n e) + (and (engine-custom e 'javascript) + (or (string? (markup-body n)) + (and (pair? (markup-body n)) + (null? (cdr (markup-body n))) + (string? (car (markup-body n))))))) + :action (lambda (n e) + (let* ((body (markup-body n)) + (email (if (string? body) body (car body))) + (split (pregexp-split "@" email)) + (na (car split)) + (do (if (pair? (cdr split)) (cadr split) "")) + (nn (pregexp-replace* "[.]" na " ")) + (dd (pregexp-replace* "[.]" do " ")) + (text (markup-option n :text))) + (display "<script language=\"JavaScript\" type=\"text/javascript\"") + (if (not text) + (printf ">skribenospam( ~s, ~s, true )" nn dd) + (begin + (printf ">skribenospam( ~s, ~s, false )" nn dd) + (display "</script>") + (output text e) + (display "<script language=\"JavaScript\" type=\"text/javascript\">document.write(\"</\" + \"a>\")"))) + (display "</script>\n")))) + +;*---------------------------------------------------------------------*/ +;* mark ... @label mark@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'mark + :before (lambda (n e) + (printf "<a name=\"~a\"" (string-canonicalize (markup-ident n))) + (html-class n) + (display ">")) + :after "</a>") + +;*---------------------------------------------------------------------*/ +;* ref ... @label ref@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'ref + :options '(:text :chapter :section :subsection :subsubsection :figure :mark :handle) + :before (lambda (n e) + (let* ((c (handle-ast (markup-body n))) + (id (markup-ident c)) + (f (html-file c e)) + (class (if (markup-class n) + (markup-class n) + "skribilo-ref"))) + (printf "<a href=\"~a#~a\" class=\"~a\"" + (if (and (*destination-file*) + (string=? f (*destination-file*))) + "" + (strip-ref-base (or f (*destination-file*) ""))) + (string-canonicalize id) + class) + (display ">"))) + :action (lambda (n e) + (let ((t (markup-option n :text)) + (m (markup-option n 'mark)) + (f (markup-option n :figure)) + (c (markup-option n :chapter)) + (s (markup-option n :section)) + (ss (markup-option n :subsection)) + (sss (markup-option n :subsubsection))) + (cond + (t + (output t e)) + (f + (output (new markup + (markup '&html-figure-ref) + (body (markup-body n))) + e)) + ((or c s ss sss) + (output (new markup + (markup '&html-section-ref) + (body (markup-body n))) + e)) + + ((not m) + (output (new markup + (markup '&html-unmark-ref) + (body (markup-body n))) + e)) + (else + (display m))))) + :after "</a>") + +;*---------------------------------------------------------------------*/ +;* &html-figure-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-figure-ref + :action (lambda (n e) + (let ((c (handle-ast (markup-body n)))) + (if (or (not (markup? c)) + (not (is-markup? c 'figure))) + (display "???") + (output (markup-option c :number) e))))) + +;*---------------------------------------------------------------------*/ +;* &html-section-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-section-ref + :action (lambda (n e) + (let ((c (handle-ast (markup-body n)))) + (if (not (markup? c)) + (display "???") + (output (markup-option c :title) e))))) + +;*---------------------------------------------------------------------*/ +;* &html-unmark-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&html-unmark-ref + :action (lambda (n e) + (let ((c (handle-ast (markup-body n)))) + (if (not (markup? c)) + (display "???") + (let ((t (markup-option c :title))) + (if t + (output t e) + (let ((l (markup-option c :legend))) + (if l + (output t e) + (display + (string-canonicalize + (markup-ident c))))))))))) + +;*---------------------------------------------------------------------*/ +;* bib-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'bib-ref + :options '(:text :bib) + :before "[" + :action (lambda (n e) (output n e (markup-writer-get 'ref e))) + :after "]") + +;*---------------------------------------------------------------------*/ +;* bib-ref+ ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'bib-ref+ + :options '(:text :bib) + :before "[" + :action (lambda (n e) + (let loop ((rs (markup-body n))) + (cond + ((null? rs) + #f) + (else + (if (is-markup? (car rs) 'bib-ref) + (output (car rs) e (markup-writer-get 'ref e)) + (output (car rs) e)) + (if (pair? (cdr rs)) + (begin + (display ",") + (loop (cdr rs)))))))) + :after "]") + +;*---------------------------------------------------------------------*/ +;* url-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'url-ref + :options '(:url :text) + :before (lambda (n e) + (let* ((url (markup-option n :url)) + (class (cond + ((markup-class n) + (markup-class n)) + ((not (string? url)) + #f) + (else + (let ((l (string-length url))) + (let loop ((i 0)) + (cond + ((= i l) + #f) + ((char=? (string-ref url i) #\:) + (substring url 0 i)) + (else + (loop (+ i 1)))))))))) + (display "<a href=\"") + (output url html-title-engine) + (display "\"") + (when class (printf " class=\"~a\"" class)) + (display ">"))) + :action (lambda (n e) + (let ((v (markup-option n :text))) + (output (or v (markup-option n :url)) e))) + :after "</a>") + +;*---------------------------------------------------------------------*/ +;* line-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'line-ref + :options '(:offset) + :before (html-markup-class "i") + :action (lambda (n e) + (let ((o (markup-option n :offset)) + (v (string->number (markup-option n :text)))) + (if (and (number? o) (number? v)) + (markup-option-add! n :text (+ o v))) + (output n e (markup-writer-get 'ref e)) + (if (and (number? o) (number? v)) + (markup-option-add! n :text v)))) + :after "</i>") + +;*---------------------------------------------------------------------*/ +;* page-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'page-ref + :options '(:mark :handle) + :action (lambda (n e) + (error 'page-ref:html "Not implemented yet" n))) + +;*---------------------------------------------------------------------*/ +;* &bib-entry-label ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-label + :options '(:title) + :before (lambda (n e) + (printf "<a name=\"~a\"" (string-canonicalize (markup-ident n))) + (html-class n) + (display ">")) + :action (lambda (n e) + (output n e (markup-writer-get '&bib-entry-label base-engine))) + :after "</a>") + +;*---------------------------------------------------------------------*/ +;* &bib-entry-title ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-title + :action (lambda (n e) + (let* ((t (bold (markup-body n))) + (en (handle-ast (ast-parent n))) + (url (or (markup-option en 'url) + (markup-option en 'documenturl))) + (ht (if url (ref :url (markup-body url) :text t) t))) + (skribe-eval ht e)))) + +;*---------------------------------------------------------------------*/ +;* &bib-entry-url ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-url + :action (lambda (n e) + (let* ((en (handle-ast (ast-parent n))) + (url (markup-option en 'url)) + (t (bold (markup-body url)))) + (skribe-eval (ref :url (markup-body url) :text t) e)))) + +;*---------------------------------------------------------------------*/ +;* &the-index-header ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&the-index-header + :action (lambda (n e) + (display "<center") + (html-class n) + (display ">") + (for-each (lambda (h) + (let ((f (engine-custom e 'index-header-font-size))) + (if f + (skribe-eval (font :size f (bold (it h))) e) + (output h e)) + (display " "))) + (markup-body n)) + (display "</center>") + (skribe-eval (linebreak 2) e))) + +;*---------------------------------------------------------------------*/ +;* &source-comment ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-comment + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-comment-color)) + (n1 (it (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-line-comment ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-line-comment + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-comment-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-keyword ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-keyword + :action (lambda (n e) + (skribe-eval (bold (markup-body n)) e))) + +;*---------------------------------------------------------------------*/ +;* &source-error ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-error + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-error-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-define ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-define + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-define-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-module ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-module + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-module-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-markup ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-markup + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-markup-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-thread ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-thread + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-thread-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-string ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-string + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-string-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-bracket ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-bracket + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-bracket-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc (bold n1)) + (bold n1)))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-type ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-type + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-type-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + (it n1)))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-key ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-key + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-type-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc (bold n1)) + (it n1)))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-type ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-type + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-type-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg "red" (bold n1)) + (bold n1)))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* Restore the base engine */ +;*---------------------------------------------------------------------*/ +(default-engine-set! (find-engine 'base)) diff --git a/src/guile/skribilo/engine/html4.scm b/src/guile/skribilo/engine/html4.scm new file mode 100644 index 0000000..48550ef --- /dev/null +++ b/src/guile/skribilo/engine/html4.scm @@ -0,0 +1,168 @@ +;;;; +;;;; html4.skr -- HTML 4.01 Engine +;;;; +;;;; Copyright © 2004 Erick Gallesio - I3S-CNRS/ESSI <eg@essi.fr> +;;;; +;;;; +;;;; This program is free software; you can redistribute it and/or modify +;;;; it under the terms of the GNU General Public License as published by +;;;; the Free Software Foundation; either version 2 of the License, or +;;;; (at your option) any later version. +;;;; +;;;; This program is distributed in the hope that it will be useful, +;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;;; GNU General Public License for more details. +;;;; +;;;; You should have received a copy of the GNU General Public License +;;;; along with this program; if not, write to the Free Software +;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +;;;; USA. +;;;; +;;;; Author: Erick Gallesio [eg@essi.fr] +;;;; Creation date: 18-Feb-2004 11:58 (eg) +;;;; Last file update: 26-Feb-2004 21:09 (eg) +;;;; + +(define-skribe-module (skribilo engine html4)) + +(define (find-children node) + (define (flat l) + (cond + ((null? l) l) + ((pair? l) (append (flat (car l)) + (flat (cdr l)))) + (else (list l)))) + + (if (markup? node) + (flat (markup-body node)) + node)) + +;;; ====================================================================== + +(let ((le (find-engine 'html))) + ;;---------------------------------------------------------------------- + ;; Customizations + ;;---------------------------------------------------------------------- + (engine-custom-set! le 'html-variant "html4") + (engine-custom-set! le 'html4-logo "http://www.w3.org/Icons/valid-html401") + (engine-custom-set! le 'html4-validator "http://validator.w3.org/check/referer") + + ;;---------------------------------------------------------------------- + ;; &html-html ... + ;;---------------------------------------------------------------------- + (markup-writer '&html-html le + :before "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"> +<html>\n" + :after "</html>") + + ;;---------------------------------------------------------------------- + ;; &html-ending + ;;---------------------------------------------------------------------- + (let* ((img (engine-custom le 'html4-logo)) + (url (engine-custom le 'html4-validator)) + (bottom (list (hrule) + (table :width 100. + (tr + (td :align 'left + (font :size -1 [ + This ,(sc "Html") page has been produced by + ,(ref :url (skribe-url) :text "Skribe"). + ,(linebreak) + Last update ,(it (date)).])) + (td :align 'right :valign 'top + (ref :url url + :text (image :url img :width 88 :height 31)))))))) + (markup-writer '&html-ending le + :before "<div class=\"skribe-ending\">" + :action (lambda (n e) + (let ((body (markup-body n))) + (if body + (output body #t) + (skribe-eval bottom e)))) + :after "</div>\n")) + + ;;---------------------------------------------------------------------- + ;; color ... + ;;---------------------------------------------------------------------- + (markup-writer 'color le + :options '(:bg :fg :width :margin) + :before (lambda (n e) + (let ((m (markup-option n :margin)) + (w (markup-option n :width)) + (bg (markup-option n :bg)) + (fg (markup-option n :fg))) + (when bg + (display "<table cellspacing=\"0\"") + (html-class n) + (printf " cellpadding=\"~a\"" (if m m 0)) + (if w (printf " width=\"~a\"" (html-width w))) + (display "><tbody>\n<tr>") + (display "<td bgcolor=\"") + (output bg e) + (display "\">")) + (when fg + (display "<span style=\"color:") + (output fg e) + (display ";\">")))) + :after (lambda (n e) + (when (markup-option n :fg) + (display "</span>")) + (when (markup-option n :bg) + (display "</td></tr>\n</tbody></table>")))) + + ;;---------------------------------------------------------------------- + ;; font ... + ;;---------------------------------------------------------------------- + (markup-writer 'font le + :options '(:size :face) + :before (lambda (n e) + (let ((face (markup-option n :face)) + (size (let ((sz (markup-option n :size))) + (cond + ((or (unspecified? sz) (not sz)) + #f) + ((and (number? sz) (or (inexact? sz) (negative? sz))) + (format #f "~a%" + (+ 100 + (* 20 (inexact->exact (truncate sz)))))) + ((number? sz) + sz) + (else + (skribe-error 'font + (format #f + "illegal font size ~s" sz) + n)))))) + (display "<span ") + (html-class n) + (display "style=\"") + (if size (printf "font-size: ~a; " size)) + (if face (printf "font-family:'~a'; " face)) + (display "\">"))) + :after "</span>") + + ;;---------------------------------------------------------------------- + ;; paragraph ... + ;;---------------------------------------------------------------------- + (copy-markup-writer 'paragraph le + :validate (lambda (n e) + (let ((pred (lambda (x) + (and (container? x) + (not (memq (markup-markup x) '(font color))))))) + (not (any pred (find-children n)))))) + + ;;---------------------------------------------------------------------- + ;; roman ... + ;;---------------------------------------------------------------------- + (markup-writer 'roman le + :before "<span style=\"font-family: serif\">" + :after "</span>") + + ;;---------------------------------------------------------------------- + ;; table ... + ;;---------------------------------------------------------------------- + (let ((old-writer (markup-writer-get 'table le))) + (copy-markup-writer 'table le + :validate (lambda (n e) + (not (null? (markup-body n)))))) +) diff --git a/src/guile/skribilo/engine/latex-simple.scm b/src/guile/skribilo/engine/latex-simple.scm new file mode 100644 index 0000000..638c158 --- /dev/null +++ b/src/guile/skribilo/engine/latex-simple.scm @@ -0,0 +1,103 @@ +(define-skribe-module (skribilo engine latex-simple)) + +;;; +;;; LES CUSTOMS SONT TROP SPECIFIQUES POUR LA DISTRIBS. NE DOIT PAS VIRER +;;; CE FICHIER (sion simplifie il ne rest plus grand chose) +;;; Erick 27-10-04 +;;; + + +;*=====================================================================*/ +;* scmws04/src/latex-style.skr */ +;* ------------------------------------------------------------- */ +;* Author : Damien Ciabrini */ +;* Creation : Tue Aug 24 19:17:04 2004 */ +;* Last change : Thu Oct 28 21:45:25 2004 (eg) */ +;* Copyright : 2004 Damien Ciabrini, see LICENCE file */ +;* ------------------------------------------------------------- */ +;* Custom style for Latex... */ +;*=====================================================================*/ + +(let* ((le (find-engine 'latex)) + (oa (markup-writer-get 'author le))) + ; latex class & package for the workshop + (engine-custom-set! le 'documentclass "\\documentclass[letterpaper]{sigplan-proc}") + (engine-custom-set! le 'usepackage + "\\usepackage{epsfig} +\\usepackage{workshop} +\\conferenceinfo{Fifth Workshop on Scheme and Functional Programming.} + {September 22, 2004, Snowbird, Utah, USA.} +\\CopyrightYear{2004} +\\CopyrightHolder{Damien Ciabrini} +\\renewcommand{\\ttdefault}{cmtt} +") + (engine-custom-set! le 'image-format '("eps")) + (engine-custom-set! le 'source-define-color "#000080") + (engine-custom-set! le 'source-thread-color "#8080f0") + (engine-custom-set! le 'source-string-color "#000000") + + ; hyperref options + (engine-custom-set! le 'hyperref #t) + (engine-custom-set! le 'hyperref-usepackage + "\\usepackage[bookmarksopen=true, bookmarksopenlevel=2,bookmarksnumbered=true,colorlinks,linkcolor=blue,citecolor=blue,pdftitle={Debugging Scheme Fair Threads}, pdfsubject={debugging cooperative threads based on reactive programming}, pdfkeywords={debugger, functional, reactive programming, Scheme}, pdfauthor={Damien Ciabrini}]{hyperref}") + ; nbsp with ~ char + (set! latex-encoding (delete! (assoc #\~ latex-encoding) latex-encoding)) + + ; let latex process citations + (markup-writer 'bib-ref le + :options '(:text :bib) + :before "\\cite{" + :action (lambda (n e) (display (markup-option n :bib))) + :after "}") + (markup-writer 'bib-ref+ le + :options '(:text :bib) + :before "\\cite{" + :action (lambda (n e) + (let loop ((bibs (markup-option n :bib))) + (if (pair? bibs) + (begin + (display (car bibs)) + (if (pair? (cdr bibs)) (display ", ")) + (loop (cdr bibs)))))) + :after "}") + (markup-writer '&the-bibliography le + :action (lambda (n e) + (print "\\bibliographystyle{abbrv}") + (display "\\bibliography{biblio}"))) + + ; ACM-style for authors + (markup-writer '&latex-author le + :before (lambda (n e) + (let ((body (markup-body n))) + (if (pair? body) + (print "\\numberofauthors{" (length body) "}")) + (print "\\author{"))) + :after "}\n") + (markup-writer 'author le + :options (writer-options oa) + :before "" + :action (lambda (n e) + (let ((name (markup-option n :name)) + (affiliation (markup-option n :affiliation)) + (address (markup-option n :address)) + (email (markup-option n :email))) + (define (row pre n post) + (display pre) + (output n e) + (display post) + (display "\\\\\n")) + ;; name + (if name (row "\\alignauthor " name "")) + ;; affiliation + (if affiliation (row "\\affaddr{" affiliation "}")) + ;; address + (if (pair? address) + (for-each (lambda (x) + (row "\\affaddr{" x "}")) address)) + ;; email + (if email (row "\\email{" email "}")))) + :after "") +) + +(define (include-biblio) + (the-bibliography)) diff --git a/src/guile/skribilo/engine/latex.scm b/src/guile/skribilo/engine/latex.scm new file mode 100644 index 0000000..8d5b88f --- /dev/null +++ b/src/guile/skribilo/engine/latex.scm @@ -0,0 +1,1784 @@ +;;; latex.scm -- LaTeX engine. +;;; +;;; Copyright 2003, 2004 Manuel Serrano +;;; +;;; +;;; This program is free software; you can redistribute it and/or modify +;;; it under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 2 of the License, or +;;; (at your option) any later version. +;;; +;;; This program is distributed in the hope that it will be useful, +;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with this program; if not, write to the Free Software +;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +;;; USA. + +(define-skribe-module (skribilo engine latex)) + +;*---------------------------------------------------------------------*/ +;* latex-verbatim-encoding ... */ +;*---------------------------------------------------------------------*/ +(define latex-verbatim-encoding + '((#\\ "{\\char92}") + (#\^ "{\\char94}") + (#\{ "\\{") + (#\} "\\}") + (#\& "\\&") + (#\$ "\\$") + (#\# "\\#") + (#\_ "\\_") + (#\% "\\%") + (#\~ "$_{\\mbox{\\char126}}$") + (#\ç "\\c{c}") + (#\Ç "\\c{C}") + (#\â "\\^{a}") + (#\ "\\^{A}") + (#\à "\\`{a}") + (#\À "\\`{A}") + (#\é "\\'{e}") + (#\É "\\'{E}") + (#\è "\\`{e}") + (#\È "\\`{E}") + (#\ê "\\^{e}") + (#\Ê "\\^{E}") + (#\ù "\\`{u}") + (#\Ù "\\`{U}") + (#\û "\\^{u}") + (#\Û "\\^{U}") + (#\ø "{\\o}") + (#\ô "\\^{o}") + (#\Ô "\\^{O}") + (#\ö "\\\"{o}") + (#\Ö "\\\"{O}") + (#\î "\\^{\\i}") + (#\Î "\\^{I}") + (#\ï "\\\"{\\i}") + (#\Ï "\\\"{I}") + (#\] "{\\char93}") + (#\[ "{\\char91}") + (#\» "\\,{\\tiny{$^{\\gg}$}}") + (#\« "{\\tiny{$^{\\ll}$}}\\,"))) + +;*---------------------------------------------------------------------*/ +;* latex-encoding ... */ +;*---------------------------------------------------------------------*/ +(define latex-encoding + (append '((#\| "$|$") + (#\< "$<$") + (#\> "$>$") + (#\: "{\\char58}") + (#\# "{\\char35}") + (#\Newline " %\n")) + latex-verbatim-encoding)) + +;*---------------------------------------------------------------------*/ +;* latex-tt-encoding ... */ +;*---------------------------------------------------------------------*/ +(define latex-tt-encoding + (append '((#\. ".\\-") + (#\/ "/\\-")) + latex-encoding)) + +;*---------------------------------------------------------------------*/ +;* latex-pre-encoding ... */ +;*---------------------------------------------------------------------*/ +(define latex-pre-encoding + (append '((#\Space "\\ ") + (#\Newline "\\\\\n")) + latex-encoding)) + +;*---------------------------------------------------------------------*/ +;* latex-symbol-table ... */ +;*---------------------------------------------------------------------*/ +(define (latex-symbol-table math) + `(("iexcl" "!`") + ("cent" "c") + ("pound" "\\pounds") + ("yen" "Y") + ("section" "\\S") + ("mul" ,(math "^-")) + ("copyright" "\\copyright") + ("lguillemet" ,(math "\\ll")) + ("not" ,(math "\\neg")) + ("degree" ,(math "^{\\small{o}}")) + ("plusminus" ,(math "\\pm")) + ("micro" ,(math "\\mu")) + ("paragraph" "\\P") + ("middot" ,(math "\\cdot")) + ("rguillemet" ,(math "\\gg")) + ("1/4" ,(math "\\frac{1}{4}")) + ("1/2" ,(math "\\frac{1}{2}")) + ("3/4" ,(math "\\frac{3}{4}")) + ("iquestion" "?`") + ("Agrave" "\\`{A}") + ("Aacute" "\\'{A}") + ("Acircumflex" "\\^{A}") + ("Atilde" "\\~{A}") + ("Amul" "\\\"{A}") + ("Aring" "{\\AA}") + ("AEligature" "{\\AE}") + ("Oeligature" "{\\OE}") + ("Ccedilla" "{\\c{C}}") + ("Egrave" "{\\`{E}}") + ("Eacute" "{\\'{E}}") + ("Ecircumflex" "{\\^{E}}") + ("Euml" "\\\"{E}") + ("Igrave" "{\\`{I}}") + ("Iacute" "{\\'{I}}") + ("Icircumflex" "{\\^{I}}") + ("Iuml" "\\\"{I}") + ("ETH" "D") + ("Ntilde" "\\~{N}") + ("Ograve" "\\`{O}") + ("Oacute" "\\'{O}") + ("Ocurcumflex" "\\^{O}") + ("Otilde" "\\~{O}") + ("Ouml" "\\\"{O}") + ("times" ,(math "\\times")) + ("Oslash" "\\O") + ("Ugrave" "\\`{U}") + ("Uacute" "\\'{U}") + ("Ucircumflex" "\\^{U}") + ("Uuml" "\\\"{U}") + ("Yacute" "\\'{Y}") + ("szlig" "\\ss") + ("agrave" "\\`{a}") + ("aacute" "\\'{a}") + ("acircumflex" "\\^{a}") + ("atilde" "\\~{a}") + ("amul" "\\\"{a}") + ("aring" "\\aa") + ("aeligature" "\\ae") + ("oeligature" "{\\oe}") + ("ccedilla" "{\\c{c}}") + ("egrave" "{\\`{e}}") + ("eacute" "{\\'{e}}") + ("ecircumflex" "{\\^{e}}") + ("euml" "\\\"{e}") + ("igrave" "{\\`{\\i}}") + ("iacute" "{\\'{\\i}}") + ("icircumflex" "{\\^{\\i}}") + ("iuml" "\\\"{\\i}") + ("ntilde" "\\~{n}") + ("ograve" "\\`{o}") + ("oacute" "\\'{o}") + ("ocurcumflex" "\\^{o}") + ("otilde" "\\~{o}") + ("ouml" "\\\"{o}") + ("divide" ,(math "\\div")) + ("oslash" "\\o") + ("ugrave" "\\`{u}") + ("uacute" "\\'{u}") + ("ucircumflex" "\\^{u}") + ("uuml" "\\\"{u}") + ("yacute" "\\'{y}") + ("ymul" "\\\"{y}") + ;; Greek + ("Alpha" "A") + ("Beta" "B") + ("Gamma" ,(math "\\Gamma")) + ("Delta" ,(math "\\Delta")) + ("Epsilon" "E") + ("Zeta" "Z") + ("Eta" "H") + ("Theta" ,(math "\\Theta")) + ("Iota" "I") + ("Kappa" "K") + ("Lambda" ,(math "\\Lambda")) + ("Mu" "M") + ("Nu" "N") + ("Xi" ,(math "\\Xi")) + ("Omicron" "O") + ("Pi" ,(math "\\Pi")) + ("Rho" "P") + ("Sigma" ,(math "\\Sigma")) + ("Tau" "T") + ("Upsilon" ,(math "\\Upsilon")) + ("Phi" ,(math "\\Phi")) + ("Chi" "X") + ("Psi" ,(math "\\Psi")) + ("Omega" ,(math "\\Omega")) + ("alpha" ,(math "\\alpha")) + ("beta" ,(math "\\beta")) + ("gamma" ,(math "\\gamma")) + ("delta" ,(math "\\delta")) + ("epsilon" ,(math "\\varepsilon")) + ("zeta" ,(math "\\zeta")) + ("eta" ,(math "\\eta")) + ("theta" ,(math "\\theta")) + ("iota" ,(math "\\iota")) + ("kappa" ,(math "\\kappa")) + ("lambda" ,(math "\\lambda")) + ("mu" ,(math "\\mu")) + ("nu" ,(math "\\nu")) + ("xi" ,(math "\\xi")) + ("omicron" ,(math "\\o")) + ("pi" ,(math "\\pi")) + ("rho" ,(math "\\rho")) + ("sigmaf" ,(math "\\varsigma")) + ("sigma" ,(math "\\sigma")) + ("tau" ,(math "\\tau")) + ("upsilon" ,(math "\\upsilon")) + ("phi" ,(math "\\varphi")) + ("chi" ,(math "\\chi")) + ("psi" ,(math "\\psi")) + ("omega" ,(math "\\omega")) + ("thetasym" ,(math "\\vartheta")) + ("piv" ,(math "\\varpi")) + ;; punctuation + ("bullet" ,(math "\\bullet")) + ("ellipsis" ,(math "\\ldots")) + ("weierp" ,(math "\\wp")) + ("image" ,(math "\\Im")) + ("real" ,(math "\\Re")) + ("tm" ,(math "^{\\sc\\tiny{tm}}")) + ("alef" ,(math "\\aleph")) + ("<-" ,(math "\\leftarrow")) + ("<--" ,(math "\\longleftarrow")) + ("uparrow" ,(math "\\uparrow")) + ("->" ,(math "\\rightarrow")) + ("-->" ,(math "\\longrightarrow")) + ("downarrow" ,(math "\\downarrow")) + ("<->" ,(math "\\leftrightarrow")) + ("<-->" ,(math "\\longleftrightarrow")) + ("<+" ,(math "\\hookleftarrow")) + ("<=" ,(math "\\Leftarrow")) + ("<==" ,(math "\\Longleftarrow")) + ("Uparrow" ,(math "\\Uparrow")) + ("=>" ,(math "\\Rightarrow")) + ("==>" ,(math "\\Longrightarrow")) + ("Downarrow" ,(math "\\Downarrow")) + ("<=>" ,(math "\\Leftrightarrow")) + ("<==>" ,(math "\\Longleftrightarrow")) + ;; Mathematical operators + ("forall" ,(math "\\forall")) + ("partial" ,(math "\\partial")) + ("exists" ,(math "\\exists")) + ("emptyset" ,(math "\\emptyset")) + ("infinity" ,(math "\\infty")) + ("nabla" ,(math "\\nabla")) + ("in" ,(math "\\in")) + ("notin" ,(math "\\notin")) + ("ni" ,(math "\\ni")) + ("prod" ,(math "\\Pi")) + ("sum" ,(math "\\Sigma")) + ("asterisk" ,(math "\\ast")) + ("sqrt" ,(math "\\surd")) + ("propto" ,(math "\\propto")) + ("angle" ,(math "\\angle")) + ("and" ,(math "\\wedge")) + ("or" ,(math "\\vee")) + ("cap" ,(math "\\cap")) + ("cup" ,(math "\\cup")) + ("integral" ,(math "\\int")) + ("models" ,(math "\\models")) + ("vdash" ,(math "\\vdash")) + ("dashv" ,(math "\\dashv")) + ("sim" ,(math "\\sim")) + ("cong" ,(math "\\cong")) + ("approx" ,(math "\\approx")) + ("neq" ,(math "\\neq")) + ("equiv" ,(math "\\equiv")) + ("le" ,(math "\\leq")) + ("ge" ,(math "\\geq")) + ("subset" ,(math "\\subset")) + ("supset" ,(math "\\supset")) + ("subseteq" ,(math "\\subseteq")) + ("supseteq" ,(math "\\supseteq")) + ("oplus" ,(math "\\oplus")) + ("otimes" ,(math "\\otimes")) + ("perp" ,(math "\\perp")) + ("mid" ,(math "\\mid")) + ("lceil" ,(math "\\lceil")) + ("rceil" ,(math "\\rceil")) + ("lfloor" ,(math "\\lfloor")) + ("rfloor" ,(math "\\rfloor")) + ("langle" ,(math "\\langle")) + ("rangle" ,(math "\\rangle")) + ;; Misc + ("loz" ,(math "\\diamond")) + ("spades" ,(math "\\spadesuit")) + ("clubs" ,(math "\\clubsuit")) + ("hearts" ,(math "\\heartsuit")) + ("diams" ,(math "\\diamondsuit")) + ("euro" "\\euro{}") + ;; LaTeX + ("dag" "\\dag") + ("ddag" "\\ddag") + ("circ" ,(math "\\circ")) + ("top" ,(math "\\top")) + ("bottom" ,(math "\\bot")) + ("lhd" ,(math "\\triangleleft")) + ("rhd" ,(math "\\triangleright")) + ("parallel" ,(math "\\parallel")))) + +;*---------------------------------------------------------------------*/ +;* latex-engine ... */ +;*---------------------------------------------------------------------*/ +(define latex-engine + (default-engine-set! + (make-engine 'latex + :version 1.0 + :format "latex" + :delegate (find-engine 'base) + :filter (make-string-replace latex-encoding) + :custom '((documentclass "\\documentclass{article}") + (usepackage "\\usepackage{epsfig}\n") + (predocument "\\newdimen\\oldframetabcolsep\n\\newdimen\\oldcolortabcolsep\n\\newdimen\\oldpretabcolsep\n") + (postdocument #f) + (maketitle "\\date{}\n\\maketitle") + (%font-size 0) + ;; color + (color #t) + (color-usepackage "\\usepackage{color}\n") + ;; hyperref + (hyperref #t) + (hyperref-usepackage "\\usepackage[setpagesize=false]{hyperref}\n") + ;; source fontification + (source-color #t) + (source-comment-color "#ffa600") + (source-error-color "red") + (source-define-color "#6959cf") + (source-module-color "#1919af") + (source-markup-color "#1919af") + (source-thread-color "#ad4386") + (source-string-color "red") + (source-bracket-color "red") + (source-type-color "#00cf00") + (image-format ("eps")) + (index-page-ref #t)) + :symbol-table (latex-symbol-table + (lambda (m) + (format #f "\\begin{math}~a\\end{math}" m)))))) + +;*---------------------------------------------------------------------*/ +;* latex-title-engine ... */ +;*---------------------------------------------------------------------*/ +(define latex-title-engine + (make-engine 'latex-title + :version 1.0 + :format "latex-title" + :delegate latex-engine + :filter (make-string-replace latex-encoding) + :symbol-table (latex-symbol-table (lambda (m) (format #f "$~a$" m))))) + +;*---------------------------------------------------------------------*/ +;* latex-color? ... */ +;*---------------------------------------------------------------------*/ +(define (latex-color? e) + (engine-custom e 'color)) + +;*---------------------------------------------------------------------*/ +;* LaTeX ... */ +;*---------------------------------------------------------------------*/ +(define-markup (LaTeX #!key (space #t)) + (if (engine-format? "latex") + (! (if space "\\LaTeX\\ " "\\LaTeX")) + "LaTeX")) + +;*---------------------------------------------------------------------*/ +;* TeX ... */ +;*---------------------------------------------------------------------*/ +(define-markup (TeX #!key (space #t)) + (if (engine-format? "latex") + (! (if space "\\TeX\\ " "\\TeX")) + "TeX")) + +;*---------------------------------------------------------------------*/ +;* latex ... */ +;*---------------------------------------------------------------------*/ +(define-markup (!latex fmt #!rest opt) + (if (engine-format? "latex") + (apply ! fmt opt) + #f)) + +;*---------------------------------------------------------------------*/ +;* latex-width ... */ +;*---------------------------------------------------------------------*/ +(define (latex-width width) + (if (and (number? width) (inexact? width)) + (string-append (number->string (/ width 100.)) "\\linewidth") + (string-append (number->string width) "pt"))) + +;*---------------------------------------------------------------------*/ +;* latex-font-size ... */ +;*---------------------------------------------------------------------*/ +(define (latex-font-size size) + (case size + ((4) "Huge") + ((3) "huge") + ((2) "Large") + ((1) "large") + ((0) "normalsize") + ((-1) "small") + ((-2) "footnotesize") + ((-3) "scriptsize") + ((-4) "tiny") + (else (if (number? size) + (if (< size 0) "tiny" "Huge") + "normalsize")))) + +;*---------------------------------------------------------------------*/ +;* *skribe-latex-color-table* ... */ +;*---------------------------------------------------------------------*/ +(define *skribe-latex-color-table* #f) + +;*---------------------------------------------------------------------*/ +;* latex-declare-color ... */ +;*---------------------------------------------------------------------*/ +(define (latex-declare-color name rgb) + (printf "\\definecolor{~a}{rgb}{~a}\n" name rgb)) + +;*---------------------------------------------------------------------*/ +;* skribe-get-latex-color ... */ +;*---------------------------------------------------------------------*/ +(define (skribe-get-latex-color spec) + (let ((c (and (hashtable? *skribe-latex-color-table*) + (hashtable-get *skribe-latex-color-table* spec)))) + (if (not (string? c)) + (skribe-error 'latex "Can't find color" spec) + c))) + +;*---------------------------------------------------------------------*/ +;* skribe-color->latex-rgb ... */ +;*---------------------------------------------------------------------*/ +(define (skribe-color->latex-rgb spec) + (receive (r g b) + (skribe-color->rgb spec) + (cond + ((and (= r 0) (= g 0) (= b 0)) + "0.,0.,0.") + ((and (= r #xff) (= g #xff) (= b #xff)) + "1.,1.,1.") + (else + (let ((ff (exact->inexact #xff))) + (format #f "~a,~a,~a" + (number->string (/ r ff)) + (number->string (/ g ff)) + (number->string (/ b ff)))))))) + +;*---------------------------------------------------------------------*/ +;* skribe-latex-declare-colors ... */ +;*---------------------------------------------------------------------*/ +(define (skribe-latex-declare-colors colors) + (set! *skribe-latex-color-table* (make-hashtable)) + (for-each (lambda (spec) + (let ((old (hashtable-get *skribe-latex-color-table* spec))) + (if (not (string? old)) + (let ((name (symbol->string (gensym 'c)))) + ;; bind the color + (hashtable-put! *skribe-latex-color-table* spec name) + ;; and emit a latex declaration + (latex-declare-color + name + (skribe-color->latex-rgb spec)))))) + colors)) + +;*---------------------------------------------------------------------*/ +;* ~ ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '~ + :before "~" + :action #f) + +;*---------------------------------------------------------------------*/ +;* &latex-table-start */ +;*---------------------------------------------------------------------*/ +(markup-writer '&latex-table-start + :options '() + :action (lambda (n e) + (let ((width (markup-option n 'width))) + (if (number? width) + (printf "\\begin{tabular*}{~a}" (latex-width width)) + (display "\\begin{tabular}"))))) + +;*---------------------------------------------------------------------*/ +;* &latex-table-stop */ +;*---------------------------------------------------------------------*/ +(markup-writer '&latex-table-stop + :options '() + :action (lambda (n e) + (let ((width (markup-option n 'width))) + (if (number? width) + (display "\\end{tabular*}\n") + (display "\\end{tabular}\n"))))) + +;*---------------------------------------------------------------------*/ +;* document ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'document + :options '(:title :author :ending :env) + :before (lambda (n e) + ;; documentclass + (let ((dc (engine-custom e 'documentclass))) + (if dc + (begin (display dc) (newline)) + (display "\\documentclass{article}\n"))) + (if (latex-color? e) + (display (engine-custom e 'color-usepackage))) + (if (engine-custom e 'hyperref) + (display (engine-custom e 'hyperref-usepackage))) + ;; usepackage + (let ((pa (engine-custom e 'usepackage))) + (if pa (begin (display pa) (newline)))) + ;; colors + (if (latex-color? e) + (begin + (skribe-use-color! (engine-custom e 'source-comment-color)) + (skribe-use-color! (engine-custom e 'source-define-color)) + (skribe-use-color! (engine-custom e 'source-module-color)) + (skribe-use-color! (engine-custom e 'source-markup-color)) + (skribe-use-color! (engine-custom e 'source-thread-color)) + (skribe-use-color! (engine-custom e 'source-string-color)) + (skribe-use-color! (engine-custom e 'source-bracket-color)) + (skribe-use-color! (engine-custom e 'source-type-color)) + (display "\n%% colors\n") + (skribe-latex-declare-colors (skribe-get-used-colors)) + (display "\n\n"))) + ;; predocument + (let ((pd (engine-custom e 'predocument))) + (when pd (display pd) (newline))) + ;; title + (let ((t (markup-option n :title))) + (when t + (skribe-eval (new markup + (markup '&latex-title) + (body t)) + e + :env `((parent ,n))))) + ;; author + (let ((a (markup-option n :author))) + (when a + (skribe-eval (new markup + (markup '&latex-author) + (body a)) + e + :env `((parent ,n))))) + ;; document + (display "\\begin{document}\n") + ;; postdocument + (let ((pd (engine-custom e 'postdocument))) + (if pd (begin (display pd) (newline)))) + ;; maketitle + (let ((mt (engine-custom e 'maketitle))) + (if mt (begin (display mt) (newline))))) + :action (lambda (n e) + (output (markup-body n) e)) + :after (lambda (n e) + (display "\n\\end{document}\n"))) + +;*---------------------------------------------------------------------*/ +;* &latex-title ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&latex-title + :before "\\title{" + :after "}\n") + +;*---------------------------------------------------------------------*/ +;* &latex-author ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&latex-author + :before "\\author{\\centerline{\n" + :action (lambda (n e) + (let ((body (markup-body n))) + (if (pair? body) + (begin + (output (new markup + (markup '&latex-table-start) + (class "&latex-author-table")) + e) + (printf "{~a}\n" (make-string (length body) #\c)) + (let loop ((as body)) + (output (car as) e) + (if (pair? (cdr as)) + (begin + (display " & ") + (loop (cdr as))))) + (display "\\\\\n") + (output (new markup + (markup '&latex-table-stop) + (class "&latex-author-table")) + e)) + (output body e)))) + :after "}}\n") + +;*---------------------------------------------------------------------*/ +;* author ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'author + :options '(:name :title :affiliation :email :url :address :phone :photo :align) + :before (lambda (n e) + (output (new markup + (markup '&latex-table-start) + (class "author")) + e) + (printf "{~a}\n" + (case (markup-option n :align) + ((left) "l") + ((right) "r") + (else "c")))) + :action (lambda (n e) + (let ((name (markup-option n :name)) + (title (markup-option n :title)) + (affiliation (markup-option n :affiliation)) + (email (markup-option n :email)) + (url (markup-option n :url)) + (address (markup-option n :address)) + (phone (markup-option n :phone))) + (define (row n) + (output n e) + (display "\\\\\n")) + ;; name + (if name (row name)) + ;; title + (if title (row title)) + ;; affiliation + (if affiliation (row affiliation)) + ;; address + (cond + ((pair? address) + (for-each row address)) + ((string? address) + (row address))) + ;; telephone + (if phone (row phone)) + ;; email + (if email (row email)) + ;; url + (if url (row url)))) + :after (lambda (n e) + (output (new markup + (markup '&latex-table-stop) + (class "author")) + e))) + +;*---------------------------------------------------------------------*/ +;* author ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'author + :options '(:name :title :affiliation :email :url :address :phone :photo :align) + :predicate (lambda (n e) (markup-option n :photo)) + :before (lambda (n e) + (output (new markup + (markup '&latex-table-start) + (class "author")) + e) + (printf "{cc}\n")) + :action (lambda (n e) + (let ((photo (markup-option n :photo))) + (output photo e) + (display " & ") + (markup-option-add! n :photo #f) + (output n e) + (markup-option-add! n :photo photo) + (display "\\\\\n"))) + :after (lambda (n e) + (output (new markup + (markup '&latex-table-stop) + (class "author")) + e))) + +;*---------------------------------------------------------------------*/ +;* toc ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'toc + :options '() + :action (lambda (n e) (display "\\tableofcontents\n"))) + +;*---------------------------------------------------------------------*/ +;* latex-block-before ... */ +;*---------------------------------------------------------------------*/ +(define (latex-block-before m) + (lambda (n e) + (let ((num (markup-option n :number))) + (printf "\n\n%% ~a\n" (string-canonicalize (markup-ident n))) + (printf "\\~a~a{" m (if (not num) "*" "")) + (output (markup-option n :title) latex-title-engine) + (display "}\n") + (when num + (printf "\\label{~a}\n" (string-canonicalize (markup-ident n))))))) + +;*---------------------------------------------------------------------*/ +;* section ... .. @label chapter@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'chapter + :options '(:title :number :toc :file :env) + :before (latex-block-before 'chapter)) + +;*---------------------------------------------------------------------*/ +;* section ... . @label section@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'section + :options '(:title :number :toc :file :env) + :before (latex-block-before 'section)) + +;*---------------------------------------------------------------------*/ +;* subsection ... @label subsection@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'subsection + :options '(:title :number :toc :file :env) + :before (latex-block-before 'subsection)) + +;*---------------------------------------------------------------------*/ +;* subsubsection ... @label subsubsection@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'subsubsection + :options '(:title :number :toc :file :env) + :before (latex-block-before 'subsubsection)) + +;*---------------------------------------------------------------------*/ +;* paragraph ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'paragraph + :options '(:title :number :toc :env) + :before (lambda (n e) + (when (and (>= (skribe-debug) 2) (location? (ast-loc n))) + (printf "\n\\makebox[\\linewidth][l]{\\hspace{-1.5cm}\\footnotesize{$\\triangleright$\\textit{~a}}}\n" + (ast-location n))) + (display "\\noindent ")) + :after "\\par\n") + +;*---------------------------------------------------------------------*/ +;* footnote ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'footnote + :before "\\footnote{" + :after "}") + +;*---------------------------------------------------------------------*/ +;* linebreak ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'linebreak + :action (lambda (n e) + (display "\\makebox[\\linewidth]{}"))) + +;*---------------------------------------------------------------------*/ +;* hrule ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'hrule + :options '() + :before "\\hrulefill" + :action #f) + +;*---------------------------------------------------------------------*/ +;* latex-color-counter */ +;*---------------------------------------------------------------------*/ +(define latex-color-counter 1) + +;*---------------------------------------------------------------------*/ +;* latex-color ... */ +;*---------------------------------------------------------------------*/ +(define latex-color + (lambda (bg fg n e) + (if (not (latex-color? e)) + (output n e) + (begin + (if bg + (printf "\\setbox~a \\vbox \\bgroup " latex-color-counter)) + (set! latex-color-counter (+ latex-color-counter 1)) + (if fg + (begin + (printf "\\textcolor{~a}{" (skribe-get-latex-color fg)) + (output n e) + (display "}")) + (output n e)) + (set! latex-color-counter (- latex-color-counter 1)) + (if bg + (printf "\\egroup\\colorbox{~a}{\\box~a}%\n" + (skribe-get-latex-color bg) latex-color-counter)))))) + +;*---------------------------------------------------------------------*/ +;* color ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'color + :options '(:bg :fg :width) + :action (lambda (n e) + (let* ((w (markup-option n :width)) + (bg (markup-option n :bg)) + (fg (markup-option n :fg)) + (m (markup-option n :margin)) + (tw (cond + ((not w) + #f) + ((and (integer? w) (exact? w)) + w) + ((real? w) + (latex-width w))))) + (when bg + (display "\\setlength{\\oldcolortabcolsep}{\\tabcolsep}\n\\addtolength{\\tabcolsep}{-\\tabcolsep}\n") + (when m + (printf "\\addtolength{\\tabcolsep}{~a}" + (latex-width m))) + (output (new markup + (markup '&latex-table-start) + (class "color")) + e) + (if tw + (printf "{p{~a}}\n" tw) + (printf "{l}\n"))) + (latex-color bg fg (markup-body n) e) + (when bg + (output (new markup + (markup '&latex-table-stop) + (class "color")) + e) + (display "\\setlength{\\tabcolsep}{\\oldcolortabcolsep}\n"))))) + +;*---------------------------------------------------------------------*/ +;* frame ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'frame + :options '(:width :border :margin) + :before (lambda (n e) + (display "\\setlength{\\oldframetabcolsep}{\\tabcolsep}\n\\addtolength{\\tabcolsep}{-\\tabcolsep}") + (let ((m (markup-option n :margin))) + (when m + (printf "\\addtolength{\\tabcolsep}{~a}" (latex-width m)))) + (newline)) + :action (lambda (n e) + (let* ((b (markup-option n :border)) + (w (markup-option n :width)) + (tw (cond + ((not w) + ".96\\linewidth") + ((and (integer? w) (exact? w)) + w) + ((real? w) + (latex-width w))))) + (output (new markup + (markup '&latex-table-start) + (class "frame")) + e) + (if (and (integer? b) (> b 0)) + (begin + (printf "{|p{~a}|}\\hline\n" tw) + (output (markup-body n) e) + (display "\\\\\\hline\n")) + (begin + (printf "{p{~a}}\n" tw) + (output (markup-body n) e))) + (output (new markup + (markup '&latex-table-stop) + (class "author")) + e))) + :after "\\setlength{\\tabcolsep}{\\oldframetabcolsep}\n") + +;*---------------------------------------------------------------------*/ +;* font ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'font + :options '(:size) + :action (lambda (n e) + (let* ((size (markup-option n :size)) + (cs (let ((n (engine-custom e '%font-size))) + (if (number? n) + n + 0))) + (ns (cond + ((and (integer? size) (exact? size)) + (if (> size 0) + size + (+ cs size))) + ((and (number? size) (inexact? size)) + (+ cs (inexact->exact size))) + ((string? size) + (let ((nb (string->number size))) + (if (not (number? nb)) + (skribe-error + 'font + (format #f "Illegal font size ~s" size) + nb) + (+ cs nb)))))) + (ne (make-engine (gensym 'latex) + :delegate e + :filter (engine-filter e) + :symbol-table (engine-symbol-table e) + :custom `((%font-size ,ns) + ,@(engine-customs e))))) + (printf "{\\~a{" (latex-font-size ns)) + (output (markup-body n) ne) + (display "}}")))) + +;*---------------------------------------------------------------------*/ +;* flush ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'flush + :options '(:side) + :before (lambda (n e) + (case (markup-option n :side) + ((center) + (display "\\begin{center}\n")) + ((left) + (display "\\begin{flushleft}")) + ((right) + (display "\\begin{flushright}")))) + :after (lambda (n e) + (case (markup-option n :side) + ((center) + (display "\\end{center}\n")) + ((left) + (display "\\end{flushleft}\n")) + ((right) + (display "\\end{flushright}\n"))))) + +;*---------------------------------------------------------------------*/ +;* center ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'center + :before "\\begin{center}\n" + :after "\\end{center}\n") + +;*---------------------------------------------------------------------*/ +;* pre ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'pre + :before (lambda (n e) + (printf "\\setlength{\\oldpretabcolsep}{\\tabcolsep}\n\\addtolength{\\tabcolsep}{-\\tabcolsep}\n{\\setbox~a \\vbox \n\\bgroup\n{\\noindent \\texttt{" + latex-color-counter) + (output (new markup + (markup '&latex-table-start) + (class "pre")) + e) + (display "{l}\n") + (set! latex-color-counter (+ latex-color-counter 1))) + :action (lambda (n e) + (let ((ne (make-engine + (gensym 'latex) + :delegate e + :filter (make-string-replace latex-pre-encoding) + :symbol-table (engine-symbol-table e) + :custom (engine-customs e)))) + (output (markup-body n) ne))) + :after (lambda (n e) + (set! latex-color-counter (- latex-color-counter 1)) + (output (new markup + (markup '&latex-table-stop) + (class "pre")) + e) + (printf "}}\n\\egroup{\\box~a}}%\n\\setlength{\\tabcolsep}{\\oldpretabcolsep}\n" latex-color-counter))) + +;*---------------------------------------------------------------------*/ +;* prog ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'prog + :options '(:line :mark) + :before (lambda (n e) + (printf "\\setlength{\\oldpretabcolsep}{\\tabcolsep}\n\\addtolength{\\tabcolsep}{-\\tabcolsep}\n{\\setbox~a \\vbox \\bgroup\n{\\noindent \\texttt{" + latex-color-counter) + (output (new markup + (markup '&latex-table-start) + (class "pre")) + e) + (display "{l}\n") + (set! latex-color-counter (+ latex-color-counter 1))) + :action (lambda (n e) + (let ((ne (make-engine + (gensym 'latex) + :delegate e + :filter (make-string-replace latex-pre-encoding) + :symbol-table (engine-symbol-table e) + :custom (engine-customs e)))) + (output (markup-body n) ne))) + :after (lambda (n e) + (set! latex-color-counter (- latex-color-counter 1)) + (output (new markup + (markup '&latex-table-stop) + (class "prog")) + e) + (printf "}}\n\\egroup{\\box~a}}%\n\\setlength{\\tabcolsep}{\\oldpretabcolsep}\n" latex-color-counter))) + +;*---------------------------------------------------------------------*/ +;* &prog-line ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&prog-line + :before (lambda (n e) + (let ((n (markup-ident n))) + (if n (skribe-eval (it (list n) ": ") e)))) + :after "\\\\\n") + +;*---------------------------------------------------------------------*/ +;* itemize ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'itemize + :options '(:symbol) + :before "\\begin{itemize}\n" + :action (lambda (n e) + (for-each (lambda (item) + (display " \\item ") + (output item e) + (newline)) + (markup-body n))) + :after "\\end{itemize} ") + +(markup-writer 'itemize + :predicate (lambda (n e) (markup-option n :symbol)) + :options '(:symbol) + :before (lambda (n e) + (display "\\begin{list}{") + (output (markup-option n :symbol) e) + (display "}{}") + (newline)) + :action (lambda (n e) + (for-each (lambda (item) + (display " \\item ") + (output item e) + (newline)) + (markup-body n))) + :after "\\end{list}\n") + +;*---------------------------------------------------------------------*/ +;* enumerate ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'enumerate + :options '(:symbol) + :before "\\begin{enumerate}\n" + :action (lambda (n e) + (for-each (lambda (item) + (display " \\item ") + (output item e) + (newline)) + (markup-body n))) + :after "\\end{enumerate}\n") + +;*---------------------------------------------------------------------*/ +;* description ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'description + :options '(:symbol) + :before "\\begin{description}\n" + :action (lambda (n e) + (for-each (lambda (item) + (let ((k (markup-option item :key))) + (for-each (lambda (i) + (display " \\item[") + (output i e) + (display "]\n")) + (if (pair? k) k (list k))) + (output (markup-body item) e))) + (markup-body n))) + :after "\\end{description}\n") + +;*---------------------------------------------------------------------*/ +;* item ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'item + :options '(:key) + :action (lambda (n e) + (let ((k (markup-option n :key))) + (if k + (begin + (display "[") + (output k e) + (display "] ")))) + (output (markup-body n) e))) + +;*---------------------------------------------------------------------*/ +;* blockquote ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'blockquote + :before "\n\\begin{quote}\n" + :after "\n\\end{quote}") + +;*---------------------------------------------------------------------*/ +;* figure ... @label figure@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'figure + :options '(:legend :number :multicolumns) + :action (lambda (n e) + (let ((ident (markup-ident n)) + (number (markup-option n :number)) + (legend (markup-option n :legend)) + (mc (markup-option n :multicolumns))) + (display (if mc + "\\begin{figure*}[!th]\n" + "\\begin{figure}[ht]\n")) + (output (markup-body n) e) + (printf "\\caption{\\label{~a}" (string-canonicalize ident)) + (output legend e) + (display (if mc + "}\\end{figure*}\n" + "}\\end{figure}\n"))))) + +;*---------------------------------------------------------------------*/ +;* table-column-number ... */ +;* ------------------------------------------------------------- */ +;* Computes how many columns are contained in a table. */ +;*---------------------------------------------------------------------*/ +(define (table-column-number t) + (define (row-columns row) + (let luup ((cells (markup-body row)) + (nbcols 0)) + (cond + ((null? cells) + nbcols) + ((pair? cells) + (luup (cdr cells) + (+ nbcols (markup-option (car cells) :colspan)))) + (else + (skribe-type-error 'tr "Illegal tr body, " row "pair"))))) + (let loop ((rows (markup-body t)) + (nbcols 0)) + (if (null? rows) + nbcols + (loop (cdr rows) + (max (row-columns (car rows)) nbcols))))) + +;*---------------------------------------------------------------------*/ +;* table ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'table + :options '(:width :frame :rules :cellstyle) + :before (lambda (n e) + (let ((width (markup-option n :width)) + (frame (markup-option n :frame)) + (rules (markup-option n :rules)) + (cstyle (markup-option n :cellstyle)) + (nbcols (table-column-number n)) + (id (markup-ident n)) + (cla (markup-class n)) + (rows (markup-body n))) + ;; the table header + (output (new markup + (markup '&latex-table-start) + (class "table") + (options `((width ,width)))) + e) + ;; store the actual number of columns + (markup-option-add! n '&nbcols nbcols) + ;; compute the table header + (let ((cols (cond + ((= nbcols 0) + (skribe-error 'table + "Illegal empty table" + n)) + ((or (not width) (= nbcols 1)) + (make-string nbcols #\c)) + (else + (let ((v (make-vector + (- nbcols 1) + "@{\\extracolsep{\\fill}}c"))) + (apply string-append + (cons "c" (vector->list v)))))))) + (case frame + ((none) + (printf "{~a}\n" cols)) + ((border box) + (printf "{|~a|}" cols) + (markup-option-add! n '&lhs #t) + (markup-option-add! n '&rhs #t) + (output (new markup + (markup '&latex-table-hline) + (parent n) + (ident (format #f "~a-above" id)) + (class "table-line-above")) + e)) + ((above hsides) + (printf "{~a}" cols) + (output (new markup + (markup '&latex-table-hline) + (parent n) + (ident (format #f "~a-above" id)) + (class "table-line-above")) + e)) + ((vsides) + (markup-option-add! n '&lhs #t) + (markup-option-add! n '&rhs #t) + (printf "{|~a|}\n" cols)) + ((lhs) + (markup-option-add! n '&lhs #t) + (printf "{|~a}\n" cols)) + ((rhs) + (markup-option-add! n '&rhs #t) + (printf "{~a|}\n" cols)) + (else + (printf "{~a}\n" cols))) + ;; mark each row with appropriate '&tl (top-line) + ;; and &bl (bottom-line) options + (when (pair? rows) + (if (and (memq rules '(rows all)) + (or (not (eq? cstyle 'collapse)) + (not (memq frame '(border box above hsides))))) + (let ((frow (car rows))) + (if (is-markup? frow 'tr) + (markup-option-add! frow '&tl #t)))) + (if (eq? rules 'header) + (let ((frow (car rows))) + (if (is-markup? frow 'tr) + (markup-option-add! frow '&bl #t)))) + (when (and (pair? (cdr rows)) + (memq rules '(rows all))) + (for-each (lambda (row) + (if (is-markup? row 'tr) + (markup-option-add! row '&bl #t))) + rows) + (markup-option-add! (car (last-pair rows)) '&bl #f)) + (if (and (memq rules '(rows all)) + (or (not (eq? cstyle 'collapse)) + (not (memq frame '(border box above hsides))))) + (let ((lrow (car (last-pair rows)))) + (if (is-markup? lrow 'tr) + (markup-option-add! lrow '&bl #t)))))))) + :after (lambda (n e) + (case (markup-option n :frame) + ((hsides below box border) + (output (new markup + (markup '&latex-table-hline) + (parent n) + (ident (format #f "~a-below" (markup-ident n))) + (class "table-hline-below")) + e))) + (output (new markup + (markup '&latex-table-stop) + (class "table") + (options `((width ,(markup-option n :width))))) + e))) + +;*---------------------------------------------------------------------*/ +;* &latex-table-hline */ +;*---------------------------------------------------------------------*/ +(markup-writer '&latex-table-hline + :action "\\hline\n") + +;*---------------------------------------------------------------------*/ +;* tr ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'tr + :options '() + :action (lambda (n e) + (let* ((parent (ast-parent n)) + (_ (if (not (is-markup? parent 'table)) + (skribe-type-error 'tr "Illegal parent, " parent + "#<table>"))) + (nbcols (markup-option parent '&nbcols)) + (lhs (markup-option parent '&lhs)) + (rhs (markup-option parent '&rhs)) + (rules (markup-option parent :rules)) + (collapse (eq? (markup-option parent :cellstyle) + 'collapse)) + (vrules (memq rules '(cols all))) + (cells (markup-body n))) + (if (markup-option n '&tl) + (output (new markup + (markup '&latex-table-hline) + (parent n) + (ident (markup-ident n)) + (class (markup-class n))) + e)) + (if (> nbcols 0) + (let laap ((nbc nbcols) + (cs cells)) + (if (null? cs) + (when (> nbc 1) + (display " & ") + (laap (- nbc 1) cs)) + (let* ((c (car cs)) + (nc (- nbc (markup-option c :colspan)))) + (when (= nbcols nbc) + (cond + ((and lhs vrules (not collapse)) + (markup-option-add! c '&lhs "||")) + ((or lhs vrules) + (markup-option-add! c '&lhs #\|)))) + (when (= nc 0) + (cond + ((and rhs vrules (not collapse)) + (markup-option-add! c '&rhs "||")) + ((or rhs vrules) + (markup-option-add! c '&rhs #\|)))) + (when (and vrules (> nc 0) (< nc nbcols)) + (markup-option-add! c '&rhs #\|)) + (output c e) + (when (> nc 0) + (display " & ") + (laap nc (cdr cs))))))))) + :after (lambda (n e) + (display "\\\\") + (if (markup-option n '&bl) + (output (new markup + (markup '&latex-table-hline) + (parent n) + (ident (markup-ident n)) + (class (markup-class n))) + e) + (newline)))) + +;*---------------------------------------------------------------------*/ +;* tc */ +;*---------------------------------------------------------------------*/ +(markup-writer 'tc + :options '(:width :align :valign :colspan) + :action (lambda (n e) + (let ((id (markup-ident n)) + (cla (markup-class n))) + (let* ((o0 (markup-body n)) + (o1 (if (eq? (markup-option n 'markup) 'th) + (new markup + (markup '&latex-th) + (parent n) + (ident id) + (class cla) + (options (markup-options n)) + (body o0)) + o0)) + (o2 (if (markup-option n :width) + (new markup + (markup '&latex-tc-parbox) + (parent n) + (ident id) + (class cla) + (options (markup-options n)) + (body o1)) + o1)) + (o3 (if (or (> (markup-option n :colspan) 1) + (not (eq? (markup-option n :align) + 'center)) + (markup-option n '&lhs) + (markup-option n '&rhs)) + (new markup + (markup '&latex-tc-multicolumn) + (parent n) + (ident id) + (class cla) + (options (markup-options n)) + (body o2)) + o2))) + (output o3 e))))) + +;*---------------------------------------------------------------------*/ +;* &latex-th ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&latex-th + :before "\\textsf{" + :after "}") + +;*---------------------------------------------------------------------*/ +;* &latex-tc-parbox ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&latex-tc-parbox + :before (lambda (n e) + (let ((width (markup-option n :width)) + (valign (markup-option n :valign))) + (printf "\\parbox{~a}{" (latex-width width)))) + :after "}") + +;*---------------------------------------------------------------------*/ +;* &latex-tc-multicolumn ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&latex-tc-multicolumn + :before (lambda (n e) + (let ((colspan (markup-option n :colspan)) + (lhs (or (markup-option n '&lhs) "")) + (rhs (or (markup-option n '&rhs) "")) + (align (case (markup-option n :align) + ((left) #\l) + ((center) #\c) + ((right) #\r) + (else #\c)))) + (printf "\\multicolumn{~a}{~a~a~a}{" colspan lhs align rhs))) + :after "}") + +;*---------------------------------------------------------------------*/ +;* image ... @label image@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'image + :options '(:file :url :width :height :zoom) + :action (lambda (n e) + (let* ((file (markup-option n :file)) + (url (markup-option n :url)) + (width (markup-option n :width)) + (height (markup-option n :height)) + (zoom (markup-option n :zoom)) + (body (markup-body n)) + (efmt (engine-custom e 'image-format)) + (img (or url (convert-image file + (if (list? efmt) + efmt + '("eps")))))) + (if (not (string? img)) + (skribe-error 'latex "Illegal image" file) + (begin + (printf "\\epsfig{file=~a" (strip-ref-base img)) + (if width (printf ", width=~a" (latex-width width))) + (if height (printf ", height=~apt" height)) + (if zoom (printf ", zoom=\"~a\"" zoom)) + (display "}")))))) + +;*---------------------------------------------------------------------*/ +;* Ornaments ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'roman :before "{\\textrm{" :after "}}") +(markup-writer 'bold :before "{\\textbf{" :after "}}") +(markup-writer 'underline :before "{\\underline{" :after "}}") +(markup-writer 'emph :before "{\\em{" :after "}}") +(markup-writer 'it :before "{\\textit{" :after "}}") +(markup-writer 'code :before "{\\texttt{" :after "}}") +(markup-writer 'var :before "{\\texttt{" :after "}}") +(markup-writer 'sc :before "{\\sc{" :after "}}") +(markup-writer 'sf :before "{\\sf{" :after "}}") +(markup-writer 'sub :before "\\begin{math}\\sb{\\mbox{" :after "}}\\end{math}") +(markup-writer 'sup :before "\\begin{math}\\sp{\\mbox{" :after "}}\\end{math}") + +(markup-writer 'tt + :before "{\\texttt{" + :action (lambda (n e) + (let ((ne (make-engine + (gensym 'latex) + :delegate e + :filter (make-string-replace latex-tt-encoding) + :custom (engine-customs e) + :symbol-table (engine-symbol-table e)))) + (output (markup-body n) ne))) + :after "}}") + +;*---------------------------------------------------------------------*/ +;* q ... @label q@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'q + :before "``" + :after "''") + +;*---------------------------------------------------------------------*/ +;* mailto ... @label mailto@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'mailto + :options '(:text) + :before "{\\texttt{" + :action (lambda (n e) + (let ((text (markup-option n :text))) + (output (or text (markup-body n)) e))) + :after "}}") + +;*---------------------------------------------------------------------*/ +;* mark ... @label mark@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'mark + :before (lambda (n e) + (printf "\\label{~a}" (string-canonicalize (markup-ident n))))) + +;*---------------------------------------------------------------------*/ +;* ref ... @label ref@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'ref + :options '(:text :chapter :section :subsection :subsubsection :figure :mark :handle :page) + :action (lambda (n e) + (let ((t (markup-option n :text))) + (if t + (begin + (output t e) + (output "~" e (markup-writer-get '~ e)))))) + :after (lambda (n e) + (let* ((c (handle-ast (markup-body n))) + (id (markup-ident c))) + (if (markup-option n :page) + (printf "\\begin{math}{\\pageref{~a}}\\end{math}" + (string-canonicalize id)) + (printf "\\ref{~a}" + (string-canonicalize id)))))) + +;*---------------------------------------------------------------------*/ +;* bib-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'bib-ref + :options '(:text :bib) + :before "[" + :action (lambda (n e) + (output (markup-option (handle-ast (markup-body n)) :title) e)) + :after "]") + +;*---------------------------------------------------------------------*/ +;* bib-ref+ ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'bib-ref+ + :options '(:text :bib) + :before "[" + :action (lambda (n e) + (let loop ((rs (markup-body n))) + (cond + ((null? rs) + #f) + (else + (if (is-markup? (car rs) 'bib-ref) + (invoke (writer-action (markup-writer-get 'bib-ref e)) + (car rs) + e) + (output (car rs) e)) + (if (pair? (cdr rs)) + (begin + (display ",") + (loop (cdr rs)))))))) + :after "]") + +;*---------------------------------------------------------------------*/ +;* url-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'url-ref + :options '(:url :text) + :action (lambda (n e) + (let ((text (markup-option n :text)) + (url (markup-option n :url))) + (if (not text) + (output url e) + (output text e))))) + +;*---------------------------------------------------------------------*/ +;* url-ref hyperref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'url-ref + :options '(:url :text) + :predicate (lambda (n e) + (engine-custom e 'hyperref)) + :action (lambda (n e) + (let ((body (markup-option n :text)) + (url (markup-option n :url))) + (if (and body (not (equal? body url))) + (begin + (display "\\href{") + (display url) + (display "}{") + (output body e) + (display "}")) + (begin + (display "\\href{") + (display url) + (printf "}{~a}" url)))))) + +;*---------------------------------------------------------------------*/ +;* line-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'line-ref + :options '(:offset) + :before "{\\textit{" + :action (lambda (n e) + (let ((o (markup-option n :offset)) + (v (string->number (markup-option n :text)))) + (cond + ((and (number? o) (number? v)) + (display (+ o v))) + (else + (display v))))) + :after "}}") + +;*---------------------------------------------------------------------*/ +;* &the-bibliography ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&the-bibliography + :before (lambda (n e) + (display "{% +\\sloppy +\\sfcode`\\.=1000\\relax +\\newdimen\\bibindent +\\bibindent=0em +\\begin{list}{}{% + \\settowidth\\labelwidth{[21]}% + \\leftmargin\\labelwidth + \\advance\\leftmargin\\labelsep + \\advance\\leftmargin\\bibindent + \\itemindent -\\bibindent + \\listparindent \\itemindent + \\itemsep 0pt + }%\n")) + :after (lambda (n e) + (display "\n\\end{list}}\n"))) + +;*---------------------------------------------------------------------*/ +;* &bib-entry ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry + :options '(:title) + :action (lambda (n e) + (output n e (markup-writer-get '&bib-entry-label e)) + (output n e (markup-writer-get '&bib-entry-body e))) + :after "\n") + +;*---------------------------------------------------------------------*/ +;* &bib-entry-title ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-title + :predicate (lambda (n e) + (engine-custom e 'hyperref)) + :action (lambda (n e) + (let* ((t (bold (markup-body n))) + (en (handle-ast (ast-parent n))) + (url (markup-option en 'url)) + (ht (if url (ref :url (markup-body url) :text t) t))) + (skribe-eval ht e)))) + +;*---------------------------------------------------------------------*/ +;* &bib-entry-label ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-label + :options '(:title) + :before "\\item[{\\char91}" + :action (lambda (n e) (output (markup-option n :title) e)) + :after "{\\char93}] ") + +;*---------------------------------------------------------------------*/ +;* &bib-entry-url ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-url + :action (lambda (n e) + (let* ((en (handle-ast (ast-parent n))) + (url (markup-option en 'url)) + (t (bold (markup-body url)))) + (skribe-eval (ref :url (markup-body url) :text t) e)))) + +;*---------------------------------------------------------------------*/ +;* &source-comment ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-comment + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-comment-color)) + (n1 (it (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-line-comment ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-line-comment + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-comment-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-keyword ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-keyword + :action (lambda (n e) + (skribe-eval (underline (markup-body n)) e))) + +;*---------------------------------------------------------------------*/ +;* &source-error ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-error + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-error-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'error-color) cc) + (color :fg cc (underline n1)) + (underline n1)))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-define ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-define + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-define-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-module ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-module + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-module-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-markup ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-markup + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-markup-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-thread ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-thread + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-thread-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-string ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-string + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-string-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-bracket ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-bracket + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-bracket-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc (bold n1)) + (it n1)))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-type ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-type + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-type-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + (it n1)))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-key ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-key + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-type-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc (bold n1)) + (it n1)))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-type ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-type + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-type-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg "red" (bold n1)) + (bold n1)))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* Restore the base engine */ +;*---------------------------------------------------------------------*/ +(default-engine-set! (find-engine 'base)) diff --git a/src/guile/skribilo/engine/lout.scm b/src/guile/skribilo/engine/lout.scm new file mode 100644 index 0000000..893ab2e --- /dev/null +++ b/src/guile/skribilo/engine/lout.scm @@ -0,0 +1,2891 @@ +;;; lout.scm -- A Lout engine. +;;; +;;; Copyright 2004, 2005, 2006 Ludovic Courtès <ludovic.courtes@laas.fr> +;;; +;;; +;;; This program is free software; you can redistribute it and/or modify +;;; it under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 2 of the License, or +;;; (at your option) any later version. +;;; +;;; This program is distributed in the hope that it will be useful, +;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with this program; if not, write to the Free Software +;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +;;; USA. + +;;; Taken from `lcourtes@laas.fr--2004-libre', +;;; `skribe-lout--main--0.2--patch-15'. +;;; Based on `latex.skr', copyright 2003, 2004 Manuel Serrano. + + +(define-skribe-module (skribilo engine lout) + :autoload (ice-9 popen) (open-output-pipe) + :autoload (ice-9 rdelim) (read-line)) + + + +;*---------------------------------------------------------------------*/ +;* lout-verbatim-encoding ... */ +;*---------------------------------------------------------------------*/ +(define-public lout-verbatim-encoding + '((#\/ "\"/\"") + (#\\ "\"\\\\\"") + (#\| "\"|\"") + (#\& "\"&\"") + (#\@ "\"@\"") + (#\" "\"\\\"\"") + (#\{ "\"{\"") + (#\} "\"}\"") + (#\$ "\"$\"") + (#\# "\"#\"") + (#\_ "\"_\"") + (#\~ "\"~\""))) + +;*---------------------------------------------------------------------*/ +;* lout-encoding ... */ +;*---------------------------------------------------------------------*/ +(define-public lout-encoding + `(,@lout-verbatim-encoding + (#\ç "{ @Char ccedilla }") + (#\Ç "{ @Char Ccdeilla }") + (#\â "{ @Char acircumflex }") + (#\ "{ @Char Acircumflex }") + (#\à "{ @Char agrave }") + (#\À "{ @Char Agrave }") + (#\é "{ @Char eacute }") + (#\É "{ @Char Eacute }") + (#\è "{ @Char egrave }") + (#\È "{ @Char Egrave }") + (#\ê "{ @Char ecircumflex }") + (#\Ê "{ @Char Ecircumflex }") + (#\ù "{ @Char ugrave }") + (#\Ù "{ @Char Ugrave }") + (#\û "{ @Char ucircumflex }") + (#\Û "{ @Char Ucircumflex }") + (#\ø "{ @Char oslash }") + (#\ô "{ @Char ocircumflex }") + (#\Ô "{ @Char Ocircumflex }") + (#\ö "{ @Char odieresis }") + (#\Ö "{ @Char Odieresis }") + (#\î "{ @Char icircumflex }") + (#\Î "{ @Char Icircumflex }") + (#\ï "{ @Char idieresis }") + (#\Ï "{ @Char Idieresis }") + (#\] "\"]\"") + (#\[ "\"[\"") + (#\» "{ @Char guillemotright }") + (#\« "{ @Char guillemotleft }"))) + + +;; XXX: This is just here for experimental purposes. +(define lout-french-punctuation-encoding + (let ((space (lambda (before after thing) + (string-append "{ " + (if before + (string-append "{ " before " @Wide {} }") + "") + "\"" thing "\"" + (if after + (string-append "{ " after " @Wide {} }") + "") + " }")))) + `((#\; ,(space "0.5s" #f ";")) + (#\? ,(space "0.5s" #f ";")) + (#\! ,(space "0.5s" #f ";"))))) + +(define lout-french-encoding + (let ((punctuation (map car lout-french-punctuation-encoding))) + (append (let loop ((ch lout-encoding) + (purified '())) + (if (null? ch) + purified + (loop (cdr ch) + (if (member (car ch) punctuation) + purified + (cons (car ch) purified))))) + lout-french-punctuation-encoding))) + +;*---------------------------------------------------------------------*/ +;* lout-symbol-table ... */ +;*---------------------------------------------------------------------*/ +(define (lout-symbol-table sym math) + `(("iexcl" "{ @Char exclamdown }") + ("cent" "{ @Char cent }") + ("pound" "{ @Char sterling }") + ("yen" "{ @Char yen }") + ("section" "{ @Char section }") + ("mul" "{ @Char multiply }") + ("copyright" "{ @Char copyright }") + ("lguillemet" "{ @Char guillemotleft }") + ("not" "{ @Char logicalnot }") + ("degree" "{ @Char degree }") + ("plusminus" "{ @Char plusminus }") + ("micro" "{ @Char mu }") + ("paragraph" "{ @Char paragraph }") + ("middot" "{ @Char periodcentered }") + ("rguillemet" "{ @Char guillemotright }") + ("1/4" "{ @Char onequarter }") + ("1/2" "{ @Char onehalf }") + ("3/4" "{ @Char threequarters }") + ("iquestion" "{ @Char questiondown }") + ("Agrave" "{ @Char Agrave }") + ("Aacute" "{ @Char Aacute }") + ("Acircumflex" "{ @Char Acircumflex }") + ("Atilde" "{ @Char Atilde }") + ("Amul" "{ @Char Adieresis }") ;;; FIXME: Why `mul' and not `uml'?! + ("Aring" "{ @Char Aring }") + ("AEligature" "{ @Char oe }") + ("Oeligature" "{ @Char OE }") ;;; FIXME: Should be `OEligature'?! + ("Ccedilla" "{ @Char Ccedilla }") + ("Egrave" "{ @Char Egrave }") + ("Eacute" "{ @Char Eacute }") + ("Ecircumflex" "{ @Char Ecircumflex }") + ("Euml" "{ @Char Edieresis }") + ("Igrave" "{ @Char Igrave }") + ("Iacute" "{ @Char Iacute }") + ("Icircumflex" "{ @Char Icircumflex }") + ("Iuml" "{ @Char Idieresis }") + ("ETH" "{ @Char Eth }") + ("Ntilde" "{ @Char Ntilde }") + ("Ograve" "{ @Char Ograve }") + ("Oacute" "{ @Char Oacute }") + ("Ocircumflex" "{ @Char Ocircumflex }") + ("Otilde" "{ @Char Otilde }") + ("Ouml" "{ @Char Odieresis }") + ("times" ,(sym "multiply")) + ("Oslash" "{ @Char oslash }") + ("Ugrave" "{ @Char Ugrave }") + ("Uacute" "{ @Char Uacute }") + ("Ucircumflex" "{ @Char Ucircumflex }") + ("Uuml" "{ @Char Udieresis }") + ("Yacute" "{ @Char Yacute }") + ("szlig" "{ @Char germandbls }") + ("agrave" "{ @Char agrave }") + ("aacute" "{ @Char aacute }") + ("acircumflex" "{ @Char acircumflex }") + ("atilde" "{ @Char atilde }") + ("amul" "{ @Char adieresis }") + ("aring" "{ @Char aring }") + ("aeligature" "{ @Char ae }") + ("oeligature" "{ @Char oe }") + ("ccedilla" "{ @Char ccedilla }") + ("egrave" "{ @Char egrave }") + ("eacute" "{ @Char eacute }") + ("ecircumflex" "{ @Char ecircumflex }") + ("euml" "{ @Char edieresis }") + ("igrave" "{ @Char igrave }") + ("iacute" "{ @Char iacute }") + ("icircumflex" "{ @Char icircumflex }") + ("iuml" "{ @Char idieresis }") + ("ntilde" "{ @Char ntilde }") + ("ograve" "{ @Char ograve }") + ("oacute" "{ @Char oacute }") + ("ocurcumflex" "{ @Char ocircumflex }") ;; FIXME: `ocIrcumflex' + ("otilde" "{ @Char otilde }") + ("ouml" "{ @Char odieresis }") + ("divide" "{ @Char divide }") + ("oslash" "{ @Char oslash }") + ("ugrave" "{ @Char ugrave }") + ("uacute" "{ @Char uacute }") + ("ucircumflex" "{ @Char ucircumflex }") + ("uuml" "{ @Char udieresis }") + ("yacute" "{ @Char yacute }") + ("ymul" "{ @Char ydieresis }") ;; FIXME: `yUMl' + ;; Greek + ("Alpha" ,(sym "Alpha")) + ("Beta" ,(sym "Beta")) + ("Gamma" ,(sym "Gamma")) + ("Delta" ,(sym "Delta")) + ("Epsilon" ,(sym "Epsilon")) + ("Zeta" ,(sym "Zeta")) + ("Eta" ,(sym "Eta")) + ("Theta" ,(sym "Theta")) + ("Iota" ,(sym "Iota")) + ("Kappa" ,(sym "Kappa")) + ("Lambda" ,(sym "Lambda")) + ("Mu" ,(sym "Mu")) + ("Nu" ,(sym "Nu")) + ("Xi" ,(sym "Xi")) + ("Omicron" ,(sym "Omicron")) + ("Pi" ,(sym "Pi")) + ("Rho" ,(sym "Rho")) + ("Sigma" ,(sym "Sigma")) + ("Tau" ,(sym "Tau")) + ("Upsilon" ,(sym "Upsilon")) + ("Phi" ,(sym "Phi")) + ("Chi" ,(sym "Chi")) + ("Psi" ,(sym "Psi")) + ("Omega" ,(sym "Omega")) + ("alpha" ,(sym "alpha")) + ("beta" ,(sym "beta")) + ("gamma" ,(sym "gamma")) + ("delta" ,(sym "delta")) + ("epsilon" ,(sym "epsilon")) + ("zeta" ,(sym "zeta")) + ("eta" ,(sym "eta")) + ("theta" ,(sym "theta")) + ("iota" ,(sym "iota")) + ("kappa" ,(sym "kappa")) + ("lambda" ,(sym "lambda")) + ("mu" ,(sym "mu")) + ("nu" ,(sym "nu")) + ("xi" ,(sym "xi")) + ("omicron" ,(sym "omicron")) + ("pi" ,(sym "pi")) + ("rho" ,(sym "rho")) + ("sigmaf" ,(sym "sigmaf")) ;; FIXME! + ("sigma" ,(sym "sigma")) + ("tau" ,(sym "tau")) + ("upsilon" ,(sym "upsilon")) + ("phi" ,(sym "phi")) + ("chi" ,(sym "chi")) + ("psi" ,(sym "psi")) + ("omega" ,(sym "omega")) + ("thetasym" ,(sym "thetasym")) + ("piv" ,(sym "piv")) ;; FIXME! + ;; punctuation + ("bullet" ,(sym "bullet")) + ("ellipsis" ,(sym "ellipsis")) + ("weierp" "{ @Sym weierstrass }") + ("image" ,(sym "Ifraktur")) + ("real" ,(sym "Rfraktur")) + ("tm" ,(sym "trademarksans")) ;; alt: @Sym trademarkserif + ("alef" ,(sym "aleph")) + ("<-" ,(sym "arrowleft")) + ("<--" "{ { 1.6 1 } @Scale { @Sym arrowleft } }") ;; copied from `eqf' + ("uparrow" ,(sym "arrowup")) + ("->" ,(sym "arrowright")) + ("-->" "{ { 1.6 1 } @Scale { @Sym arrowright } }") + ("downarrow" ,(sym "arrowdown")) + ("<->" ,(sym "arrowboth")) + ("<-->" "{ { 1.6 1 } @Scale { @Sym arrowboth } }") + ("<+" ,(sym "carriagereturn")) + ("<=" ,(sym "arrowdblleft")) + ("<==" "{ { 1.6 1 } @Scale { @Sym arrowdblleft } }") + ("Uparrow" ,(sym "arrowdblup")) + ("=>" ,(sym "arrowdblright")) + ("==>" "{ { 1.6 1 } @Scale { @Sym arrowdblright } }") + ("Downarrow" ,(sym "arrowdbldown")) + ("<=>" ,(sym "arrowdblboth")) + ("<==>" "{ { 1.6 1 } @Scale { @Sym arrowdblboth } }") + ;; Mathematical operators (we try to avoid `@Eq' since it + ;; requires to `@SysInclude { eq }' -- one solution consists in copying + ;; the symbol definition from `eqf') + ("forall" "{ { Symbol Base } @Font \"\\042\" }") + ("partial" ,(sym "partialdiff")) + ("exists" "{ { Symbol Base } @Font \"\\044\" }") + ("emptyset" "{ { Symbol Base } @Font \"\\306\" }") + ("infinity" ,(sym "infinity")) + ("nabla" "{ { Symbol Base } @Font \"\\321\" }") + ("in" ,(sym "element")) + ("notin" ,(sym "notelement")) + ("ni" "{ 180d @Rotate @Sym element }") + ("prod" ,(sym "product")) + ("sum" ,(sym "summation")) + ("asterisk" ,(sym "asteriskmath")) + ("sqrt" ,(sym "radical")) + ("propto" ,(math "propto")) + ("angle" ,(sym "angle")) + ("and" ,(math "bwedge")) + ("or" ,(math "bvee")) + ("cap" ,(math "bcap")) + ("cup" ,(math "bcup")) + ("integral" ,(math "int")) + ("models" ,(math "models")) + ("vdash" ,(math "vdash")) + ("dashv" ,(math "dashv")) + ("sim" ,(sym "similar")) + ("cong" ,(sym "congruent")) + ("approx" ,(sym "approxequal")) + ("neq" ,(sym "notequal")) + ("equiv" ,(sym "equivalence")) + ("le" ,(sym "lessequal")) + ("ge" ,(sym "greaterequal")) + ("subset" ,(sym "propersubset")) + ("supset" ,(sym "propersuperset")) + ("subseteq" ,(sym "reflexsubset")) + ("supseteq" ,(sym "reflexsuperset")) + ("oplus" ,(sym "circleplus")) + ("otimes" ,(sym "circlemultiply")) + ("perp" ,(sym "perpendicular")) + ("mid" ,(sym "bar")) + ("lceil" ,(sym "bracketlefttp")) + ("rceil" ,(sym "bracketrighttp")) + ("lfloor" ,(sym "bracketleftbt")) + ("rfloor" ,(sym "bracketrightbt")) + ("langle" ,(sym "angleleft")) + ("rangle" ,(sym "angleright")) + ;; Misc + ("loz" "{ @Lozenge }") + ("spades" ,(sym "spade")) + ("clubs" ,(sym "club")) + ("hearts" ,(sym "heart")) + ("diams" ,(sym "diamond")) + ("euro" "{ @Euro }") + ;; Lout + ("dag" "{ @Dagger }") + ("ddag" "{ @DaggerDbl }") + ("circ" ,(math "circle")) + ("top" ,(math "top")) + ("bottom" ,(math "bot")) + ("lhd" ,(math "triangleleft")) + ("rhd" ,(math "triangleright")) + ("parallel" ,(math "dbar")))) + + +;;; Debugging support + +(define *lout-debug?* #f) + +(define-macro (lout-debug fmt . args) + `(if *lout-debug?* + (with-output-to-port (current-error-port) + (lambda () + (printf (string-append ,fmt "~%") ,@args + (current-error-port)))) + #t)) + +(define-public (lout-tagify ident) + ;; Return an "clean" identifier (a string) based on `ident' (a string), + ;; suitable for Lout as an `@Tag' value. + (let ((tag-encoding '((#\, "-") + (#\( "-") + (#\) "-") + (#\[ "-") + (#\] "-") + (#\/ "-") + (#\| "-") + (#\& "-") + (#\@ "-") + (#\! "-") + (#\? "-") + (#\: "-") + (#\; "-"))) + (tag (string-canonicalize ident))) + ((make-string-replace tag-encoding) tag))) + + +;; Default values of various customs (procedures) + +(define (lout-definitions engine) + ;; Return a string containing a set of useful Lout definitions that should + ;; be inserted at the beginning of the output document. + (let ((leader (engine-custom engine 'toc-leader)) + (leader-space (engine-custom engine 'toc-leader-space))) + (apply string-append + `("# @SkribeMark implements Skribe's marks " + "(i.e. cross-references)\n" + "def @SkribeMark\n" + " right @Tag\n" + "{\n" + " @PageMark @Tag\n" + "}\n\n" + + "# @SkribiloLeaders is used in `toc'\n" + "# (this is mostly copied from the expert's guide)\n" + "def @SkribiloLeaders { " + ,leader " |" ,leader-space " @SkribiloLeaders }\n\n")))) + +(define (lout-make-doc-cover-sheet doc engine) + ;; Create a cover sheet for node `doc' which is a doc-style Lout document. + ;; This is the default implementation, i.e. the default value of the + ;; `doc-cover-sheet-proc' custom. + (let ((title (markup-option doc :title)) + (author (markup-option doc :author)) + (date-line (engine-custom engine 'date-line)) + (cover-sheet? (engine-custom engine 'cover-sheet?)) + (multi-column? (> (engine-custom engine 'column-number) 1))) + + (if multi-column? + ;; In single-column document, `@FullWidth' yields a blank page. + (display "\n@FullWidth {")) + (display "\n//3.0fx\n") + (display "\n@Center 1.4f @Font @B { cragged nohyphen 1.4fx } @Break { ") + (if title + (output title engine) + (display "The Lout Document")) + (display " }\n") + (display "//1.7fx\n") + (if date-line + (begin + (display "@Center { ") + (output date-line engine) + (display " }\n//1.4fx\n"))) + (if author + (begin + (display "@Center { ") + (output author engine) + (display " }\n") + (display "//4fx\n"))) + (if multi-column? + (display "\n} # @FullWidth\n")))) + +(define (lout-split-external-link markup) + ;; Shorten `markup', an URL `url-ref' markup, by splitting it into an URL + ;; `ref' followed by plain text. This is useful because Lout's + ;; @ExternalLink symbols are unbreakable to the embodied text should _not_ + ;; be too large (otherwise it is scaled down). + (let* ((url (markup-option markup :url)) + (text (or (markup-option markup :text) url))) + (lout-debug "lout-split-external-link: text=~a" text) + (cond ((pair? text) + ;; no need to go recursive here: we'll get called again later + `(,(ref :url url :text (car text)) ,@(cdr text))) + + ((string? text) + (let ((len (string-length text))) + (if (> (- len 8) 2) + ;; don't split on a whitespace or it will vanish + (let ((split (let loop ((where 10)) + (if (= 0 where) + 10 + (if (char=? (string-ref text + (- where 1)) + #\space) + (loop (- where 1)) + where))))) + `(,(ref :url url :text (substring text 0 split)) + ,(substring text split len))) + (list markup)))) + + ((markup? text) + (let ((kind (markup-markup text))) + (lout-debug "lout-split-external-link: kind=~a" kind) + (if (member kind '(bold it underline)) + ;; get the ornament markup out of the `:text' argument + (list (apply (eval kind (interaction-environment)) + (list (ref :url url + :text (markup-body text))))) + ;; otherwise, leave it as is + (list markup)))) + + (else (list markup))))) + +(define (lout-make-toc-entry node engine) + ;; Default implementation of the `toc-entry-proc' custom that produces the + ;; number and title of `node' for use in the table of contents. + (let ((num (markup-option node :number)) + (title (markup-option node :title)) + (lang (engine-custom engine 'initial-language))) + (if num + (begin + (if (is-markup? node 'chapter) (display "@B { ")) + (printf "~a. |2s " (lout-structure-number-string node)) + (output title engine) + (if (is-markup? node 'chapter) (display " }"))) + (if (is-markup? node 'chapter) + (output (bold title) engine) + (output title engine))))) + +(define (lout-bib-refs-sort/number entry1 entry2) + ;; Default implementation of the `bib-refs-sort-proc' custom. Compare + ;; bibliography entries `entry1' and `entry2' (of type `&bib-entry') for + ;; use by `sort' in `bib-ref+'. + (let ((ident1 (markup-option entry1 :title)) + (ident2 (markup-option entry2 :title))) + (if (and (markup? ident1) (markup? ident2)) + (< (markup-option ident1 'number) + (markup-option ident2 'number)) + (begin + (fprint (current-error-port) "i1: " ident1 ", " entry1) + (fprint (current-error-port) "i2: " ident2 ", " entry2))))) + +(define (lout-pdf-bookmark-title node engine) + ;; Default implementation of the `pdf-bookmark-title-proc' custom that + ;; returns a title (a string) for the PDF bookmark of `node'. + (let ((number (lout-structure-number-string node))) + (string-append (if (string=? number "") "" (string-append number ". ")) + (ast->string (markup-option node :title))))) + +(define (lout-pdf-bookmark-node? node engine) + ;; Default implementation of the `pdf-bookmark-node-pred' custom that + ;; returns a boolean. + (or (is-markup? node 'chapter) + (is-markup? node 'section) + (is-markup? node 'subsection) + (is-markup? node 'slide))) + + + + +;*---------------------------------------------------------------------*/ +;* lout-engine ... */ +;*---------------------------------------------------------------------*/ +(define lout-engine + (make-engine 'lout + :version 0.2 + :format "lout" + :delegate (find-engine 'base) + :filter (make-string-replace lout-encoding) + :custom `(;; The underlying Lout document type, i.e. one + ;; of `doc', `report', `book' or `slides'. + (document-type doc) + + ;; Document style file include line (a string + ;; such as `@Include { doc-style.lout }') or + ;; `auto' (symbol) in which case the include + ;; file is deduced from `document-type'. + (document-include auto) + + (includes "@SysInclude { tbl }\n") + (initial-font "Palatino Base 10p") + (initial-break + ,(string-append "unbreakablefirst " + "unbreakablelast " + "hyphen adjust 1.2fx")) + + ;; The document's language, used for hyphenation + ;; and other things. + (initial-language "English") + + ;; Number of columns. + (column-number 1) + + ;; First page number. + (first-page-number 1) + + ;; Page orientation, `portrait', `landscape', + ;; `reverse-portrait' or `reverse-landscape'. + (page-orientation portrait) + + ;; For reports, whether to produce a cover + ;; sheet. The `doc-cover-sheet-proc' custom may + ;; also honor this custom for `doc' documents. + (cover-sheet? #t) + + ;; For reports, the date line. + (date-line #t) + + ;; For reports, an abstract. + (abstract #f) + + ;; For reports, title/name of the abstract. If + ;; `#f', the no abstract title will be + ;; produced. If `#t', a default name in the + ;; current language is chosen. + (abstract-title #t) + + ;; Whether to optimize pages. + (optimize-pages? #f) + + ;; For docs, the procedure that produces the + ;; Lout code for the cover sheet or title. + (doc-cover-sheet-proc + ,lout-make-doc-cover-sheet) + + ;; Procedure used to sort bibliography + ;; references when several are referred to at + ;; the same time, as in: + ;; (ref :bib '("smith03" "jones98")) . + ;; By default they are sorted by number. If + ;; `#f' is given, they are left as is. + (bib-refs-sort-proc + ,lout-bib-refs-sort/number) + + ;; Lout code for paragraph gaps (similar to + ;; `@PP' with `@ParaGap' equal to `1.0vx' by + ;; default) + (paragraph-gap + "\n//1.0vx @ParaIndent @Wide &{0i}\n") + + ;; For multi-page tables, it may be + ;; useful to set this to `#t'. However, + ;; this looks kind of buggy. + (use-header-rows? #f) + + ;; Tells whether to use Skribe's footnote + ;; numbers or Lout's numbering scheme (the + ;; latter may be better, typography-wise). + (use-skribe-footnote-numbers? #t) + + ;; A procedure that is passed the engine + ;; and produces Lout definitions. + (inline-definitions-proc ,lout-definitions) + + ;; A procedure that takes a URL `ref' markup and + ;; returns a list containing (maybe) one such + ;; `ref' markup. This custom can be used to + ;; modified the way URLs are rendered. The + ;; default value is a procedure that limits the + ;; size of Lout's @ExternalLink symbols since + ;; they are unbreakable. In order to completely + ;; disable use of @ExternalLinks, just set it to + ;; `markup-body'. + (transform-url-ref-proc + ,lout-split-external-link) + + ;; Leader used in the table of contents entries. + (toc-leader ".") + + ;; Inter-leader spacing in the TOC entries. + (toc-leader-space "2.5s") + + ;; Procedure that takes a large-scale structure + ;; (chapter, section, etc.) and the engine and + ;; produces the number and possibly title of + ;; this structure for use the TOC. + (toc-entry-proc ,lout-make-toc-entry) + + ;; The Lout program name, only useful when using + ;; `lout-illustration' on other back-ends. + (lout-program-name "lout") + + ;; Title and author information in the PDF + ;; document information. If `#t', the + ;; document's `:title' and `:author' are used. + (pdf-title #t) + (pdf-author #t) + + ;; Keywords (a list of string) in the PDF + ;; document information. This custom is deprecated, + ;; use the `:keywords' option of `document' instead. + (pdf-keywords #f) + + ;; Extra PDF information, an alist of key-value + ;; pairs (string pairs). + (pdf-extra-info (("SkribeVersion" + ,(skribe-release)))) + + ;; Tells whether to produce PDF "docinfo" + ;; (meta-information with title, author, + ;; keywords, etc.). + (make-pdf-docinfo? #t) + + ;; Tells whether a PDF outline + ;; (aka. "bookmarks") should be produced. + (make-pdf-outline? #t) + + ;; Procedure that takes a node and an engine and + ;; return a string representing the title of + ;; that node's PDF bookmark. + (pdf-bookmark-title-proc ,lout-pdf-bookmark-title) + + ;; Procedure that takes a node and an engine and + ;; returns true if that node should have a PDF + ;; outline entry. + (pdf-bookmark-node-pred ,lout-pdf-bookmark-node?) + + ;; Procedure that takes a node and an engine and + ;; returns true if the bookmark for that node + ;; should be closed ("folded") when the user + ;; opens the PDF document. + (pdf-bookmark-closed-pred + ,(lambda (n e) + (not (is-markup? n 'chapter)))) + + ;; color + (color? #t) + + ;; source fontification + (source-color #t) + (source-comment-color "#ffa600") + (source-define-color "#6959cf") + (source-module-color "#1919af") + (source-markup-color "#1919af") + (source-thread-color "#ad4386") + (source-string-color "red") + (source-bracket-color "red") + (source-type-color "#00cf00")) + + :symbol-table (lout-symbol-table + (lambda (m) + ;; We don't use `@Sym' because it doesn't + ;; work within `@Eq'. + (string-append "{ { Symbol Base } @Font " + "@Char \"" m "\" }")) + (lambda (m) + (format #f "{ @Eq { ~a } }" m))))) + + +;; So that calls to `markup-writer' automatically use `lout-engine'... +(push-default-engine lout-engine) + + + +;; User-level implementation of PDF bookmarks. +;; +;; Basically, Lout code is produced that produces (via `@Graphic') PostScript +;; code. That PostScript code is a `pdfmark' command (see Adobe's "pdfmark +;; Reference Manual") which, when converted to PDF (e.g. with `ps2pdf'), +;; produces a PDF outline, aka. "bookmarks" (see "PDF Reference, Fifth +;; Edition", section 8.2.2). + +(define (lout-internal-dest-name ident) + ;; Return the Lout-generated `pdfmark' named destination for `ident'. This + ;; function mimics Lout's `ConvertToPDFName ()', in `z49.c' (Lout's + ;; PostScript back-end). In Lout, `ConvertToPDFName ()' produces + ;; destination names for the `/Dest' function of the `pdfmark' operator. + ;; This implementation is valid as of Lout 3.31 and hopefully it won't + ;; change in the future. + (string-append "LOUT" + (list->string (map (lambda (c) + (if (or (char-alphabetic? c) + (char-numeric? c)) + c + #\_)) + (string->list ident))))) + +(define (lout-pdf-bookmark node children closed? engine) + ;; Return the PostScript `pdfmark' operation (a string) that creates a PDF + ;; bookmark for node `node'. `children' is the number of children of + ;; `node' in the PDF outline. If `closed?' is true, then the bookmark will + ;; be close (i.e. its children are hidden). + ;; + ;; Note: Here, we use a `GoTo' action, while we could instead simply + ;; produce a `/Page' attribute without having to use the + ;; `lout-internal-dest-name' hack. The point for doing this is that Lout's + ;; `@PageOf' operator doesn't return an "actual" page number within the + ;; document, but rather a "typographically correct" page number (e.g. `i' + ;; for the cover sheet, `1' for the second page, etc.). See + ;; http://lists.planix.com/pipermail/lout-users/2005q1/003925.html for + ;; details. + (let* ((filter-title (make-string-replace `(,@lout-verbatim-encoding + (#\newline " ")))) + (make-bookmark-title (lambda (n e) + (filter-title + ((engine-custom + engine 'pdf-bookmark-title-proc) + n e)))) + (ident (markup-ident node))) + (string-append "[" + (if (= 0 children) + "" + (string-append "\"/\"Count " + (if closed? "-" "") + (number->string children) " ")) + "\"/\"Title \"(\"" (make-bookmark-title node engine) + "\")\" " + (if (not ident) "" + (string-append "\"/\"Action \"/\"GoTo \"/\"Dest \"/\"" + (lout-internal-dest-name ident) " ")) + "\"/\"OUT pdfmark\n"))) + +(define (lout-pdf-outline node engine . children) + ;; Return the PDF outline string (in the form of a PostScript `pdfmark' + ;; command) for `node' whose child nodes are assumed to be `children', + ;; unless `node' is a document. + (let* ((choose-node? (lambda (n) + ((engine-custom engine 'pdf-bookmark-node-pred) + n engine))) + (nodes (if (document? node) + (filter choose-node? (markup-body node)) + children))) + (apply string-append + (map (lambda (node) + (let* ((children (filter choose-node? (markup-body node))) + (closed? ((engine-custom engine + 'pdf-bookmark-closed-pred) + node engine)) + (bm (lout-pdf-bookmark node (length children) + closed? engine))) + (string-append bm (apply lout-pdf-outline + `(,node ,engine ,@children))))) + nodes)))) + +(define-public (lout-embedded-postscript-code postscript) + ;; Return a string embedding PostScript code `postscript' into Lout code. + (string-append "\n" + "{ @BackEnd @Case {\n" + " PostScript @Yield {\n" + postscript + " }\n" + "} } @Graphic { }\n")) + +(define-public (lout-pdf-docinfo doc engine) + ;; Produce PostScript code that will produce PDF document information once + ;; converted to PDF. + (let* ((filter-string (make-string-replace `(,@lout-verbatim-encoding + (#\newline " ")))) + (docinfo-field (lambda (key value) + (string-append "\"/\"" key " \"(\"" + (filter-string value) + "\")\"\n"))) + (author (let ((a (engine-custom engine 'pdf-author))) + (if (or (string? a) (ast? a)) + a + (markup-option doc :author)))) + (title (let ((t (engine-custom engine 'pdf-title))) + (if (or (string? t) (ast? t)) + t + (markup-option doc :title)))) + (keywords (or (engine-custom engine 'pdf-keywords) + (map ast->string + (or (markup-option doc :keywords) '())))) + (extra-fields (engine-custom engine 'pdf-extra-info))) + + (string-append "[ " + (if title + (docinfo-field "Title" (ast->string title)) + "") + (if author + (docinfo-field "Author" + (or (cond ((markup? author) + (ast->string + (or (markup-option + author :name) + (markup-option + author :affiliation)))) + ((string? author) author) + (else (ast->string author))) + "")) + "") + (if (pair? keywords) + (docinfo-field "Keywords" + (apply string-append + (keyword-list->comma-separated + keywords))) + "") + ;; arbitrary key-value pairs, see sect. 4.7, "Info + ;; dictionary" of the `pdfmark' reference. + (if (or (not extra-fields) (null? extra-fields)) + "" + (apply string-append + (map (lambda (p) + (docinfo-field (car p) (cadr p))) + extra-fields))) + "\"/\"DOCINFO pdfmark\n"))) + +(define-public (lout-output-pdf-meta-info doc engine) + ;; Produce PDF bookmarks (aka. "outline") for document `doc', as well as + ;; document meta-information (or "docinfo"). This function makes sure that + ;; both are only produced once, and only if the relevant customs ask for + ;; them. + (if (and doc (engine-custom engine 'make-pdf-outline?) + (not (markup-option doc '&pdf-outline-produced?))) + (begin + (display + (lout-embedded-postscript-code (lout-pdf-outline doc engine))) + (markup-option-add! doc '&pdf-outline-produced? #t))) + (if (and doc (engine-custom engine 'make-pdf-docinfo?) + (not (markup-option doc '&pdf-docinfo-produced?))) + (begin + (display + (lout-embedded-postscript-code (lout-pdf-docinfo doc engine))) + (markup-option-add! doc '&pdf-docinfo-produced? #t)))) + + + +;*---------------------------------------------------------------------*/ +;* lout ... */ +;*---------------------------------------------------------------------*/ +(define-markup (!lout fmt #!rest opt) + (if (engine-format? "lout") + (apply ! fmt opt) + #f)) + +;*---------------------------------------------------------------------*/ +;* lout-width ... */ +;*---------------------------------------------------------------------*/ +(define (lout-width width) + (cond ((inexact? width) ;; a relative size (XXX: was `flonum?') + ;; FIXME: Hack ahead: assuming A4 with a 2.5cm margin + ;; on both sides + (let* ((orientation (let ((lout (find-engine 'lout))) + (or (and lout + (engine-custom lout + 'page-orientation)) + 'portrait))) + (margins 5) + (paper-width (case orientation + ((portrait reverse-portrait) + (- 21 margins)) + (else (- 29.7 margins))))) + (string-append (number->string (* paper-width + (/ (abs width) 100.))) + "c"))) + ((string? width) ;; an engine-dependent width + width) + (else ;; an absolute "pixel" size + (string-append (number->string width) "p")))) + +;*---------------------------------------------------------------------*/ +;* lout-font-size ... */ +;*---------------------------------------------------------------------*/ +(define (lout-font-size size) + (case size + ((4) "3.5f") + ((3) "2.0f") + ((2) "1.5f") + ((1) "1.2f") + ((0) "1.0f") + ((-1) "0.8f") + ((-2) "0.5f") + ((-3) "0.3f") + ((-4) "0.2f") + (else (if (number? size) + (if (< size 0) "0.3f" "1.5f") + "1.0f")))) + +(define-public (lout-color-specification skribe-color) + ;; Return a Lout color name, ie. a string which is either an English color + ;; name or something like "rgb 0.5 0.2 0.6". `skribe-color' is a string + ;; representing a Skribe color such as "black" or "#ffffff". + (let ((b&w? (let ((lout (find-engine 'lout))) + (and lout (not (engine-custom lout 'color?))))) + (actual-color + (if (and (string? skribe-color) + (char=? (string-ref skribe-color 0) #\#)) + (string->number (substring skribe-color 1 + (string-length skribe-color)) + 16) + skribe-color))) + (receive (r g b) + (skribe-color->rgb actual-color) + (apply format #f + (cons "rgb ~a ~a ~a" + (map (if b&w? + (let ((avg (exact->inexact (/ (+ r g b) + (* 256 3))))) + (lambda (x) avg)) + (lambda (x) + (exact->inexact (/ x 256)))) + (list r g b))))))) + +;*---------------------------------------------------------------------*/ +;* ~ ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '~ :before "~" :action #f) + +(define (lout-page-orientation orientation) + ;; Return a string representing the Lout page orientation name for symbol + ;; `orientation'. + (let* ((alist '((portrait . "Portrait") + (landscape . "Landscape") + (reverse-portrait . "ReversePortrait") + (reverse-landscape . "ReverseLandscape"))) + (which (assoc orientation alist))) + (if (not which) + (skribe-error 'lout + "`page-orientation' should be either `portrait' or `landscape'" + orientation) + (cdr which)))) + + +;*---------------------------------------------------------------------*/ +;* document ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'document + :options '(:title :author :ending :keywords :env) + :before (lambda (n e) ;; `e' is the engine + (let* ((doc-type (let ((d (engine-custom e 'document-type))) + (if (string? d) + (begin + (engine-custom-set! e 'document-type + (string->symbol d)) + (string->symbol d)) + d))) + (doc-style? (eq? doc-type 'doc)) + (slides? (eq? doc-type 'slides)) + (doc-include (engine-custom e 'document-include)) + (includes (engine-custom e 'includes)) + (font (engine-custom e 'initial-font)) + (lang (engine-custom e 'initial-language)) + (break (engine-custom e 'initial-break)) + (column-number (engine-custom e 'column-number)) + (first-page-number (engine-custom e 'first-page-number)) + (page-orientation (engine-custom e 'page-orientation)) + (title (markup-option n :title))) + + ;; Add this markup option, used by + ;; `lout-start-large-scale-structure' et al. + (markup-option-add! n '&substructs-started? #f) + + (if (eq? doc-include 'auto) + (case doc-type + ((report) (display "@SysInclude { report }\n")) + ((book) (display "@SysInclude { book }\n")) + ((doc) (display "@SysInclude { doc }\n")) + ((slides) (display "@SysInclude { slides }\n")) + (else (skribe-error + 'lout + "`document-type' should be one of `book', `report', `doc' or `slides'" + doc-type))) + (printf "# Custom document includes\n~a\n" doc-include)) + + (if includes + (printf "# Additional user includes\n~a\n" includes) + (display "@SysInclude { tbl }\n")) + + ;; Write additional Lout definitions + (display (lout-definitions e)) + + (case doc-type + ((report) (display "@Report\n")) + ((book) (display "@Book\n")) + ((doc) (display "@Document\n")) + ((slides) (display "@OverheadTransparencies\n"))) + + (display (string-append " @InitialSpace { tex } " + "# avoid having too many spaces\n")) + + ;; The `doc' style doesn't have @Title, @Author and the likes + (if (not doc-style?) + (begin + (display " @Title { ") + (if title + (output title e) + (display "The Lout-Skribe Book")) + (display " }\n") + + ;; The author + (let* ((author (markup-option n :author))) + + (display " @Author { ") + (output author e) + (display " }\n") + + ;; Lout reports support `@Institution' while books + ;; don't. + (if (and (eq? doc-type 'report) + (is-markup? author 'author)) + (let ((institution (markup-option author + :affiliation))) + (if institution + (begin + (printf " @Institution { ") + (output institution e) + (printf " }\n")))))))) + + ;; Lout reports make it possible to choose whether to prepend + ;; a cover sheet (books and docs don't). Same for a date + ;; line. + (if (eq? doc-type 'report) + (let ((cover-sheet? (engine-custom e 'cover-sheet?)) + (date-line (engine-custom e 'date-line)) + (abstract (engine-custom e 'abstract)) + (abstract-title (engine-custom e 'abstract-title))) + (display (string-append " @CoverSheet { " + (if cover-sheet? + "Yes" "No") + " }\n")) + (display " @DateLine { ") + (if (string? date-line) + (output date-line e) + (display (if date-line "Yes" "No"))) + (display " }\n") + + (if abstract + (begin + (if (not (eq? abstract-title #t)) + (begin + (display " @AbstractTitle { ") + (cond + ((not abstract-title) #t) + (else (output abstract-title e))) + (display " }\n"))) + + (display " @Abstract {\n") + (output abstract e) + (display "\n}\n"))))) + + (printf " @OptimizePages { ~a }\n" + (if (engine-custom e 'optimize-pages?) + "Yes" "No")) + + (printf " @InitialFont { ~a }\n" + (cond ((string? font) font) + ((symbol? font) + (string-append (symbol->string font) + " Base 10p")) + ((number? font) + (string-append "Palatino Base " + (number->string font) + "p")) + (#t + (skribe-error + 'lout 'initial-font + "Should be a Lout font name, a symbol, or a number")))) + (printf " @InitialBreak { ~a }\n" + (if break break "adjust 1.2fx hyphen")) + (if (not slides?) + (printf " @ColumnNumber { ~a }\n" + (if (number? column-number) + column-number 1))) + (printf " @FirstPageNumber { ~a }\n" + (if (number? first-page-number) + first-page-number 1)) + (printf " @PageOrientation { ~a }\n" + (lout-page-orientation page-orientation)) + (printf " @InitialLanguage { ~a }\n" + (if lang lang "English")) + + ;; FIXME: Insert a preface for text preceding the first ch. + ;; FIXME: Create an @Introduction for the first chapter + ;; if its title is "Introduction" (for books). + + (display "//\n\n") + + (if doc-style? + ;; `doc' documents don't have @Title and the likes so + ;; we need to implement them "by hand" + (let ((make-cover-sheet + (engine-custom e 'doc-cover-sheet-proc))) + (display "@Text @Begin\n") + (if make-cover-sheet + (make-cover-sheet n e) + (lout-make-doc-cover-sheet n e)))) + + (if doc-style? + ;; Putting it here will only work with `doc' documents. + (lout-output-pdf-meta-info n e)))) + + :after (lambda (n e) + (let ((doc-type (engine-custom e 'document-type))) + (if (eq? doc-type 'doc) + (begin + (if (markup-option n '&substructs-started?) + (display "\n@EndSections\n")) + (display "\n@End @Text\n"))) + (display "\n\n# Lout document ends here.\n")))) + + +;*---------------------------------------------------------------------*/ +;* author ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'author + :options '(:name :title :affiliation :email :url :address + :phone :photo :align) + + :action (lambda (n e) + (let ((doc-type (engine-custom e 'document-type)) + (name (markup-option n :name)) + (title (markup-option n :title)) + (affiliation (markup-option n :affiliation)) + (email (markup-option n :email)) + (url (markup-option n :url)) + (address (markup-option n :address)) + (phone (markup-option n :phone)) + (photo (markup-option n :photo))) + + (define (row x) + (display "\n//1.5fx\n@Center { ") + (output x e) + (display " }\n")) + + (if email + (row (list (if name name "") + (! " <@I{") + (cond ((string? email) email) + ((markup? email) + (markup-body email)) + (#t "")) + (! "}> "))) + (if name (row name))) + + (if title (row title)) + + ;; In reports, the affiliation is passed to `@Institution'. + ;; However, books do not have an `@Institution' parameter. + (if (and affiliation (not (eq? doc-type 'report))) + (row affiliation)) + + (if address (row address)) + (if phone (row phone)) + (if url (row (it url))) + (if photo (row photo))))) + + +(define (lout-toc-entry node depth engine) + ;; Produce a TOC entry of depth `depth' (a integer greater than or equal to + ;; zero) for `node' using engine `engine'. The Lout code here is mostly + ;; copied from Lout's `dsf' (see definition of `@Item'). + (let ((ident (markup-ident node)) + (entry-proc (engine-custom engine 'toc-entry-proc))) + (if (markup-option node :toc) + (begin + (display "@LP\n") + (if ident + ;; create an internal for PDF navigation + (printf "{ ~a } @LinkSource { " (lout-tagify ident))) + + (if (> depth 0) + (printf "|~as " (number->string (* 6 depth)))) + (display " @HExpand { ") + + ;; output the number and title of this node + (entry-proc node engine) + + (display " &1rt @OneCol { ") + (printf " @SkribiloLeaders & @PageOf { ~a }" + (lout-tagify (markup-ident node))) + (display " &0io } }") + + (if ident (display " }")) + (display "\n"))))) + +;*---------------------------------------------------------------------*/ +;* toc ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'toc + :options '(:class :chapter :section :subsection) + :action (lambda (n e) + (display "\n# toc\n") + (if (markup-option n :chapter) + (let ((chapters (filter (lambda (n) + (or (is-markup? n 'chapter) + (is-markup? n 'slide))) + (markup-body (ast-document n))))) + (for-each (lambda (c) + (let ((sections + (search-down (lambda (n) + (is-markup? n 'section)) + c))) + (lout-toc-entry c 0 e) + (if (markup-option n :section) + (for-each + (lambda (s) + (lout-toc-entry s 1 e) + (if (markup-option n :subsection) + (let ((subs + (search-down + (lambda (n) + (is-markup? + n 'subsection)) + s))) + (for-each + (lambda (s) + (lout-toc-entry s 2 e)) + subs)))) + sections)))) + chapters))))) + +(define lout-book-markup-alist + '((chapter . "Chapter") + (section . "Section") + (subsection . "SubSection") + (subsubsection . "SubSubSection"))) + +(define lout-report-markup-alist + '((chapter . "Section") + (section . "SubSection") + (subsection . "SubSubSection") + (subsubsection . #f))) + +(define lout-slides-markup-alist + '((slide . "Overhead"))) + +(define lout-doc-markup-alist lout-report-markup-alist) + +(define (lout-structure-markup skribe-markup engine) + ;; Return the Lout structure name for `skribe-markup' (eg. "Chapter" for + ;; `chapter' markups when `engine''s document type is `book'). + (let ((doc-type (engine-custom engine 'document-type)) + (assoc-ref (lambda (alist key) + (and-let* ((as (assoc key alist))) (cdr as))))) + (case doc-type + ((book) (assoc-ref lout-book-markup-alist skribe-markup)) + ((report) (assoc-ref lout-report-markup-alist skribe-markup)) + ((doc) (assoc-ref lout-doc-markup-alist skribe-markup)) + ((slides) (assoc-ref lout-slides-markup-alist skribe-markup)) + (else + (skribe-error 'lout + "`document-type' should be one of `book', `report', `doc' or `slides'" + doc-type))))) + +(define-public (lout-structure-number-string markup) + ;; Return a structure number string such as "1.2". + ;; FIXME: External code has started to rely on this. This should be + ;; generalized and moved elsewhere. + (let loop ((struct markup)) + (if (document? struct) + "" + (let ((parent-num (loop (ast-parent struct))) + (num (markup-option struct :number))) + (string-append parent-num + (if (string=? "" parent-num) "" ".") + (if (number? num) (number->string num) "")))))) + +;*---------------------------------------------------------------------*/ +;* lout-block-before ... */ +;*---------------------------------------------------------------------*/ +(define (lout-block-before n e) + ;; Produce the Lout code that introduces node `n', a large-scale + ;; structure (chapter, section, etc.). + (let ((lout-markup (lout-structure-markup (markup-markup n) e)) + (title (markup-option n :title)) + (number (markup-option n :number)) + (ident (markup-ident n))) + + (if (not lout-markup) + (begin + ;; the fallback method (i.e. when there exists no equivalent + ;; Lout markup) + (display "\n//1.8vx\n@B { ") + (output title e) + (display " }\n@SkribeMark { ") + (display (lout-tagify ident)) + (display " }\n//0.8vx\n\n")) + (begin + (printf "\n@~a\n @Title { " lout-markup) + (output title e) + (printf " }\n") + + (if (number? number) + (printf " @BypassNumber { ~a }\n" + (lout-structure-number-string n)) + (if (not number) + ;; this trick hides the section number + (printf " @BypassNumber { } # unnumbered\n"))) + + (cond ((string? ident) + (begin + (display " @Tag { ") + (display (lout-tagify ident)) + (display " }\n"))) + ((symbol? ident) + (begin + (display " @Tag { ") + (display (lout-tagify (symbol->string ident))) + (display " }\n"))) + (#t + (skribe-error 'lout + "Node identifiers should be strings" + ident))) + + (display "\n@Begin\n"))))) + +(define (lout-block-after n e) + ;; Produce the Lout code that terminates node `n', a large-scale + ;; structure (chapter, section, etc.). + (let ((lout-markup (lout-structure-markup (markup-markup n) e))) + (if (not lout-markup) + (printf "\n\n//0.3vx\n\n") ;; fallback method + (printf "\n\n@End @~a\n\n" lout-markup)))) + + +(define (lout-markup-child-type skribe-markup) + ;; Return the child markup type of `skribe-markup' (e.g. for `chapter', + ;; return `section'). + (let loop ((structs '(document chapter section subsection subsubsection))) + (if (null? structs) + #f + (if (eq? (car structs) skribe-markup) + (cadr structs) + (loop (cdr structs)))))) + +(define (lout-start-large-scale-structure markup engine) + ;; Perform the necessary step and produce output as a result of starting + ;; large-scale structure `markup' (ie. a chapter, section, subsection, + ;; etc.). + (let* ((doc-type (engine-custom engine 'document-type)) + (doc-style? (eq? doc-type 'doc)) + (parent (ast-parent markup)) + (markup-type (markup-markup markup)) + (lout-markup-name (lout-structure-markup markup-type + engine))) + (lout-debug "start-struct: markup=~a parent=~a" + markup parent) + + ;; add an `&substructs-started?' option to the markup + (markup-option-add! markup '&substructs-started? #f) + + (if (and lout-markup-name + parent (or doc-style? (not (document? parent)))) + (begin + (if (not (markup-option parent '&substructs-started?)) + ;; produce an `@BeginSubSections' or equivalent; `doc'-style + ;; documents need to preprend an `@BeginSections' before the + ;; first section while other styles don't. + (printf "\n@Begin~as\n" lout-markup-name)) + + ;; FIXME: We need to make sure that PARENT is a large-scale + ;; structure, otherwise it won't have the `&substructs-started?' + ;; option (e.g., if PARENT is a `color' markup). I need to clarify + ;; this. + (if (memq (markup-markup parent) + '(document chapter section subsection subsubsection)) + ;; update the `&substructs-started?' option of the parent + (markup-option-set! parent '&substructs-started? #t)) + + (lout-debug "start-struct: updated parent: ~a" + (markup-option parent '&substructs-started?)))) + + ;; output the `@Section @Title { ... } @Begin' thing + (lout-block-before markup engine))) + +(define (lout-end-large-scale-structure markup engine) + ;; Produce Lout code for ending structure `markup' (a chapter, section, + ;; subsection, etc.). + (let* ((doc-type (engine-custom engine 'document-type)) + (doc-style? (eq? doc-type 'doc)) + (markup-type (markup-markup markup)) + (lout-markup-name (lout-structure-markup markup-type + engine))) + + (if (and lout-markup-name + (markup-option markup '&substructs-started?) + (or doc-style? (not (document? markup)))) + (begin + ;; produce an `@EndSubSections' or equivalent; `doc'-style + ;; documents need to issue an `@EndSections' after the last section + ;; while other types of documents don't. + (lout-debug "end-struct: closing substructs for ~a" markup) + (printf "\n@End~as\n" + (lout-structure-markup (lout-markup-child-type markup-type) + engine)) + (markup-option-set! markup '&substructs-started? #f))) + + (lout-block-after markup engine))) + + +;*---------------------------------------------------------------------*/ +;* section ... .. @label chapter@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'chapter + :options '(:title :number :toc :file :env) + :validate (lambda (n e) + (document? (ast-parent n))) + + :before (lambda (n e) + (lout-start-large-scale-structure n e) + + ;; `doc' documents produce their PDF outline right after + ;; `@Text @Begin'; other types of documents must produce it + ;; as part of their first chapter. + (lout-output-pdf-meta-info (ast-document n) e)) + + :after lout-end-large-scale-structure) + +;*---------------------------------------------------------------------*/ +;* section ... . @label section@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'section + :options '(:title :number :toc :file :env) + :validate (lambda (n e) + (is-markup? (ast-parent n) 'chapter)) + :before lout-start-large-scale-structure + :after lout-end-large-scale-structure) + +;*---------------------------------------------------------------------*/ +;* subsection ... @label subsection@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'subsection + :options '(:title :number :toc :file :env) + :validate (lambda (n e) + (is-markup? (ast-parent n) 'section)) + :before lout-start-large-scale-structure + :after lout-end-large-scale-structure) + +;*---------------------------------------------------------------------*/ +;* subsubsection ... @label subsubsection@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'subsubsection + :options '(:title :number :toc :file :env) + :validate (lambda (n e) + (is-markup? (ast-parent n) 'subsection)) + :before lout-start-large-scale-structure + :after lout-end-large-scale-structure) + + +;*---------------------------------------------------------------------*/ +;* paragraph ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'paragraph + :options '() + :validate (lambda (n e) + (or (eq? 'doc (engine-custom e 'document-type)) + (memq (and (markup? (ast-parent n)) + (markup-markup (ast-parent n))) + '(chapter section subsection subsubsection slide)))) + :before (lambda (n e) + (let ((gap (engine-custom e 'paragraph-gap))) + (display (if (string? gap) gap "\n@PP\n"))))) + +;*---------------------------------------------------------------------*/ +;* footnote ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'footnote + :options '(:label) + :before (lambda (n e) + (let ((label (markup-option n :label)) + (use-number? + (engine-custom e 'use-skribe-footnote-numbers?))) + (if (or (and (number? label) use-number?) label) + (printf "{ @FootNote @Label { ~a } { " + (if label label "")) + (printf "{ @FootNote ~a{ " + (if (not number) "@Label { } " ""))))) + :after (lambda (n e) + (display " } }"))) + +;*---------------------------------------------------------------------*/ +;* linebreak ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'linebreak + :action (lambda (n e) + (display "\n@LP\n"))) + +;*---------------------------------------------------------------------*/ +;* hrule ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'hrule + :options '() + :action "\n@LP\n@FullWidthRule\n@LP\n") + +;*---------------------------------------------------------------------*/ +;* color ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'color + :options '(:fg :bg :width) + ;; FIXME: `:bg' not supported + ;; FIXME: `:width' is not supported either. Rather use `frame' for that + ;; kind of options. + :before (lambda (n e) + (let* ((w (markup-option n :width)) + (fg (markup-option n :fg))) + (printf "{ ~a } @Color { " (lout-color-specification fg)))) + + :after (lambda (n e) + (display " }"))) + +;*---------------------------------------------------------------------*/ +;* frame ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'frame + ;; @Box won't span over several pages so this may cause + ;; problems if large frames are used. The workaround here consists + ;; in using an @Tbl with one single cell. + :options '(:width :border :margin :bg) + :before (lambda (n e) + (let ((width (markup-option n :width)) + (margin (markup-option n :margin)) + (border (markup-option n :border)) + (bg (markup-option n :bg))) + + ;; The user manual seems to expect `frame' to imply a + ;; linebreak. However, the LaTeX engine doesn't seem to + ;; agree. + ;(display "\n@LP") + (printf (string-append "\n@Tbl # frame\n" + " rule { yes }\n")) + (if border (printf " rulewidth { ~a }\n" + (lout-width border))) + (if width (printf " width { ~a }\n" + (lout-width width))) + (if margin (printf " margin { ~a }\n" + (lout-width margin))) + (if bg (printf " paint { ~a }\n" + (lout-color-specification bg))) + (display "{ @Row format { @Cell A } A { ")) + +; (printf "\n@Box linewidth { ~a } margin { ~a } { " +; (lout-width (markup-option n :width)) +; (lout-width (markup-option n :margin))) + ) + :after (lambda (n e) + (display " } }\n"))) + +;*---------------------------------------------------------------------*/ +;* font ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'font + :options '(:size :face) + :before (lambda (n e) + (let ((face (markup-option n :face)) + (size (lout-font-size (markup-option n :size)))) + (printf "\n~a @Font { " size))) + :after (lambda (n e) + (display " }\n"))) + +;*---------------------------------------------------------------------*/ +;* flush ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'flush + :options '(:side) + :before (lambda (n e) + (display "\n@LP") + (case (markup-option n :side) + ((center) + (display "\n@Center { # flush-center\n")) + ((left) + (display "\n# flush-left\n")) + ((right) + (display (string-append "\n@Right " + "{ rragged hyphen } @Break " + "{ # flush-right\n"))))) + :after (lambda (n e) + (case (markup-option n :side) + ((left) + (display "")) + (else + (display "\n}"))) + (display " # flush\n"))) + +;*---------------------------------------------------------------------*/ +;* center ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'center + ;; Note: We prepend and append a newline in order to make sure + ;; things work as expected. + :before "\n@LP\n@Center {" + :after "}\n@LP\n") + +;*---------------------------------------------------------------------*/ +;* pre ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'pre + :before "\n@LP lines @Break lout @Space { # pre\n" + :after "\n} # pre\n") + +;*---------------------------------------------------------------------*/ +;* prog ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'prog + :options '(:line :mark) + :before "\nlines @Break lout @Space {\n" + :after "\n} # @Break\n") + +;*---------------------------------------------------------------------*/ +;* &prog-line ... */ +;*---------------------------------------------------------------------*/ +;; Program lines appear within a `lines @Break' block. +(markup-writer '&prog-line + :before (lambda (n e) + (let ((n (markup-ident n))) + (if n (skribe-eval (it (list n) ": ") e)))) + :after "\n") + +;*---------------------------------------------------------------------*/ +;* itemize ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'itemize + :options '(:symbol) + :before (lambda (n e) + (let ((symbol (markup-option n :symbol))) + (if symbol + (begin + (display "\n@List style { ") + (output symbol e) + (display " } # itemize\n")) + (display "\n@BulletList # itemize\n")))) + :after "\n@EndList\n") + +;*---------------------------------------------------------------------*/ +;* enumerate ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'enumerate + :options '(:symbol) + :before (lambda (n e) + (let ((symbol (markup-option n :symbol))) + (if symbol + (printf "\n@List style { ~a } # enumerate\n" + symbol) + (display "\n@NumberedList # enumerate\n")))) + :after "\n@EndList\n") + +;*---------------------------------------------------------------------*/ +;* description ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'description + :options '(:symbol) ;; `symbol' doesn't make sense here + :before "\n@TaggedList # description\n" + :action (lambda (n e) + (for-each (lambda (item) + (let ((k (markup-option item :key))) + (display "@DropTagItem { ") + (for-each (lambda (i) + (output i e) + (display " ")) + (if (pair? k) k (list k))) + (display " } { ") + (output (markup-body item) e) + (display " }\n"))) + (markup-body n))) + :after "\n@EndList\n") + +;*---------------------------------------------------------------------*/ +;* item ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'item + :options '(:key) + :before "\n@LI { " + :after " }") + +;*---------------------------------------------------------------------*/ +;* blockquote ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'blockquote + :before "\n@ID {" + :after "\n} # @ID\n") + +;*---------------------------------------------------------------------*/ +;* figure ... @label figure@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'figure + :options '(:legend :number :multicolumns) + :action (lambda (n e) + (let ((ident (markup-ident n)) + (number (markup-option n :number)) + (legend (markup-option n :legend)) + (mc? (markup-option n :multicolumns))) + (display "\n@Figure\n") + (display " @Tag { ") + (display (lout-tagify ident)) + (display " }\n") + (printf " @BypassNumber { ~a }\n" + (cond ((number? number) number) + ((not number) "") + (else number))) + (display " @InitialLanguage { ") + (display (engine-custom e 'initial-language)) + (display " }\n") + + (if legend + (begin + (lout-debug "figure: ~a, \"~a\"" ident legend) + (printf " @Caption { ") + (output legend e) + (printf " }\n"))) + (printf " @Location { ~a }\n" + (if mc? "PageTop" "ColTop")) + (printf "{\n") + (output (markup-body n) e))) + :after (lambda (n e) + (display "}\n"))) + + +;*---------------------------------------------------------------------*/ +;* lout-table-column-number ... */ +;* ------------------------------------------------------------- */ +;* This function computes how columns are contained by the table. */ +;*---------------------------------------------------------------------*/ +(define (lout-table-column-number t) + (define (row-columns row) + (let loop ((cells (markup-body row)) + (nbcols 0)) + (if (null? cells) + nbcols + (loop (cdr cells) + (+ nbcols (markup-option (car cells) :colspan)))))) + (let loop ((rows (markup-body t)) + (nbcols 0)) + (if (null? rows) + nbcols + (loop (cdr rows) + (max (row-columns (car rows)) nbcols))))) + +(define (lout-table-cell-indent align) + ;; Return the Lout name (a string) for cell alignment `align' (a symbol). + (case align + ((center #f #t) "ctr") + ((right) "right") + ((left) "left") + (else (skribe-error 'td align + "Unknown alignment type")))) + +(define (lout-table-cell-vindent align) + ;; Return the Lout name (a string) for cell alignment `align' (a symbol). + (case align + ((center #f #t) "ctr") + ((top) "top") + ((bottom) "foot") + (else (skribe-error 'td align + "Unknown alignment type")))) + +(define (lout-table-cell-vspan cell-letter row-vspan) + ;; Return the vspan information (an alist) for the cell whose + ;; letter is `cell-letter', within the row whose vspan information + ;; is given by `row-vspan'. If the given cell doesn't span over + ;; rows, then #f is returned. + (and-let* ((as (assoc cell-letter row-vspan))) + (cdr as))) + +(define (lout-table-cell-vspan-start? vspan-alist) + ;; For the cell whose vspan information is given by `vspan-alist', + ;; return #t if that cell starts spanning vertically. + (and vspan-alist + (cdr (assoc 'start? vspan-alist)))) + +(define-macro (char+int c i) + `(integer->char (+ ,i (char->integer ,c)))) + +(define-macro (-- i) + `(- ,i 1)) + + +(define (lout-table-cell-option-string cell) + ;; Return the Lout cell option string for `cell'. + (let ((align (markup-option cell :align)) + (valign (markup-option cell :valign)) + (width (markup-option cell :width)) + (bg (markup-option cell :bg))) + (string-append (lout-table-cell-rules cell) " " + (string-append + "indent { " + (lout-table-cell-indent align) + " } ") + (string-append + "indentvertical { " + (lout-table-cell-vindent valign) + " } ") + (if (not width) "" + (string-append "width { " + (lout-width width) + " } ")) + (if (not bg) "" + (string-append "paint { " + (lout-color-specification bg) + " } "))))) + +(define (lout-table-cell-format-string cell vspan-alist) + ;; Return a Lout cell format string for `cell'. It uses the `&cell-name' + ;; markup option of its cell as its Lout cell name and `vspan-alist' as the + ;; source of information regarding its vertical spanning (#f means that + ;; `cell' is not vertically spanned). + (let ((cell-letter (markup-option cell '&cell-name)) + (cell-options (lout-table-cell-option-string cell)) + (colspan (if vspan-alist + (cdr (assoc 'hspan vspan-alist)) + (markup-option cell :colspan))) + (vspan-start? (and vspan-alist + (cdr (assoc 'start? vspan-alist))))) + (if (and (not vspan-start?) vspan-alist) + "@VSpan" + (let* ((cell-fmt (string-append "@Cell " cell-options + (string cell-letter)))) + (string-append + (if (> colspan 1) + (string-append (if (and vspan-start? vspan-alist) + "@StartHVSpan " "@StartHSpan ") + cell-fmt + (let pool ((cnt (- colspan 1)) + (span-cells "")) + (if (= cnt 0) + span-cells + (pool (- cnt 1) + (string-append span-cells + " | @HSpan"))))) + (string-append (if (and vspan-alist vspan-start?) + "@StartVSpan " "") + cell-fmt))))))) + + +(define (lout-table-row-format-string row) + ;; Return a Lout row format string for row `row'. It uses the `&cell-name' + ;; markup option of its cell as its Lout cell name. + + ;; FIXME: This function has become quite ugly + (let ((cells (markup-body row)) + (row-vspan (markup-option row '&vspan-alist))) + + (let loop ((cells cells) + (cell-letter #\A) + (delim "") + (fmt "")) + (lout-debug "looping on cell ~a" cell-letter) + + (if (null? cells) + + ;; The final `|' prevents the rightmost column to be + ;; expanded to full page width (see sect. 6.11, p. 133). + (if row-vspan + ;; In the end, there can be vspan columns left so we need to + ;; mark them + (let final-loop ((cell-letter cell-letter) + (fmt fmt)) + (let* ((cell-vspan (lout-table-cell-vspan cell-letter + row-vspan)) + (hspan (if cell-vspan + (cdr (assoc 'hspan cell-vspan)) + 1))) + (lout-debug "final-loop: ~a ~a" cell-letter cell-vspan) + (if (not cell-vspan) + (string-append fmt " |") + (final-loop (integer->char + (+ hspan (char->integer cell-letter))) + (string-append fmt " | @VSpan |"))))) + + (string-append fmt " |")) + + (let* ((cell (car cells)) + (vspan-alist (lout-table-cell-vspan cell-letter row-vspan)) + (vspan-start? (lout-table-cell-vspan-start? vspan-alist)) + (colspan (if vspan-alist + (cdr (assoc 'hspan vspan-alist)) + (markup-option cell :colspan))) + (cell-format + (lout-table-cell-format-string cell vspan-alist))) + + (loop (if (or (not vspan-alist) vspan-start?) + (cdr cells) + cells) ;; don't skip pure vspan cells + + ;; next cell name + (char+int cell-letter colspan) + + " | " ;; the cell delimiter + (string-append fmt delim cell-format))))))) + + + +;; A row vspan alist describes the cells of a row that span vertically +;; and it looks like this: +;; +;; ((#\A . ((start? . #t) (hspan . 1) (vspan . 3))) +;; (#\C . ((start? . #f) (hspan . 2) (vspan . 1)))) +;; +;; which means that cell `A' start spanning vertically over three rows +;; including this one, while cell `C' is an "empty" cell that continues +;; the vertical spanning of a cell appearing on some previous row. +;; +;; The running "global" (or "table-wide") vspan alist looks the same +;; except that it doesn't have the `start?' tags. + +(define (lout-table-compute-row-vspan-alist row global-vspan-alist) + ;; Compute the vspan alist of row `row' based on the current table vspan + ;; alist `global-vspan-alist'. As a side effect, this function stores the + ;; Lout cell name (a character between #\A and #\Z) as the value of markup + ;; option `&cell-name' of each cell. + (if (pair? (markup-body row)) + ;; Mark the first cell as such. + (markup-option-add! (car (markup-body row)) '&first-cell? #t)) + + (let cell-loop ((cells (markup-body row)) + (cell-letter #\A) + (row-vspan-alist '())) + (lout-debug "cell: ~a ~a" cell-letter + (if (null? cells) '() (car cells))) + + (if (null? cells) + + ;; In the end, we must retain any vspan cell that occurs after the + ;; current cell name (note: we must add a `start?' tag at this point + ;; since the global table vspan alist doesn't have that). + (let ((additional-cells (filter (lambda (c) + (char>=? (car c) cell-letter)) + global-vspan-alist))) + (lout-debug "compute-row-vspan-alist returning: ~a + ~a (~a)" + row-vspan-alist additional-cells + (length global-vspan-alist)) + (append row-vspan-alist + (map (lambda (c) + `(,(car c) . ,(cons '(start? . #f) (cdr c)))) + additional-cells))) + + (let* ((current-cell-vspan (assoc cell-letter global-vspan-alist)) + (hspan (if current-cell-vspan + (cdr (assoc 'hspan (cdr current-cell-vspan))) + (markup-option (car cells) :colspan)))) + + (if (null? (cdr cells)) + ;; Mark the last cell as such + (markup-option-add! (car cells) '&last-cell? #t)) + + (cell-loop (if current-cell-vspan + cells ;; this cell is vspanned, so don't skip it + (cdr cells)) + + ;; next cell name + (char+int cell-letter (or hspan 1)) + + (begin ;; updating the row vspan alist + (lout-debug "cells: ~a" (length cells)) + (lout-debug "current-cell-vspan for ~a: ~a" + cell-letter current-cell-vspan) + + (if current-cell-vspan + + ;; this cell is currently vspanned, ie. a previous + ;; row defined a vspan for it and that it is still + ;; spanning on this row + (cons `(,cell-letter + . ((start? . #f) + (hspan . ,(cdr + (assoc + 'hspan + (cdr current-cell-vspan)))))) + row-vspan-alist) + + ;; this cell is not currently vspanned + (let ((vspan (markup-option (car cells) :rowspan))) + (lout-debug "vspan-option for ~a: ~a" + cell-letter vspan) + + (markup-option-add! (car cells) + '&cell-name cell-letter) + (if (and vspan (> vspan 1)) + (cons `(,cell-letter . ((start? . #t) + (hspan . ,hspan) + (vspan . ,vspan))) + row-vspan-alist) + row-vspan-alist))))))))) + +(define (lout-table-update-table-vspan-alist table-vspan-alist + row-vspan-alist) + ;; Update `table-vspan-alist' based on `row-vspan-alist', the alist + ;; representing vspan cells for the last row that has been read." + (lout-debug "update-table-vspan: ~a and ~a" + table-vspan-alist row-vspan-alist) + + (let ((new-vspan-cells (filter (lambda (cell) + (cdr (assoc 'start? (cdr cell)))) + row-vspan-alist))) + + ;; Append the list of new vspan cells described in `row-vspan-alist' + (let loop ((cells (append table-vspan-alist new-vspan-cells)) + (result '())) + (if (null? cells) + (begin + (lout-debug "update-table-vspan returning: ~a" result) + result) + (let* ((cell (car cells)) + (cell-letter (car cell)) + (cell-hspan (cdr (assoc 'hspan (cdr cell)))) + (cell-vspan (-- (cdr (assoc 'vspan (cdr cell)))))) + (loop (cdr cells) + (if (> cell-vspan 0) + + ;; Keep information about this vspanned cell + (cons `(,cell-letter . ((hspan . ,cell-hspan) + (vspan . ,cell-vspan))) + result) + + ;; Vspan for this cell has been done so we can remove + ;; it from the running table vspan alist + result))))))) + +(define (lout-table-mark-vspan! tab) + ;; Traverse the rows of table `tab' and add them an `&vspan-alist' option + ;; that describes which of its cells are to be vertically spanned. + (let loop ((rows (markup-body tab)) + (global-vspan-alist '())) + (if (null? rows) + + ;; At this point, each row holds its own vspan information alist (the + ;; `&vspan-alist' option) so we don't care anymore about the running + ;; table vspan alist + #t + + (let* ((row (car rows)) + (row-vspan-alist (lout-table-compute-row-vspan-alist + row global-vspan-alist))) + + ;; Bind the row-specific vspan information to the row object + (markup-option-add! row '&vspan-alist row-vspan-alist) + + (if (null? (cdr rows)) + ;; Mark the last row as such + (markup-option-add! row '&last-row? #t)) + + (loop (cdr rows) + (lout-table-update-table-vspan-alist global-vspan-alist + row-vspan-alist)))))) + +(define (lout-table-first-row? row) + (markup-option row '&first-row?)) + +(define (lout-table-last-row? row) + (markup-option row '&last-row?)) + +(define (lout-table-first-cell? cell) + (markup-option cell '&first-cell?)) + +(define (lout-table-last-cell? cell) + (markup-option cell '&last-cell?)) + +(define (lout-table-row-rules row) + ;; Return a string representing the Lout option string for + ;; displaying rules of `row'. + (let* ((table (ast-parent row)) + (frames (markup-option table :frame)) + (rules (markup-option table :rules)) + (first? (lout-table-first-row? row)) + (last? (lout-table-last-row? row))) + (string-append (if (and first? + (member frames '(above hsides box border))) + "ruleabove { yes } " "") + (if (and last? + (member frames '(below hsides box border))) + "rulebelow { yes } " "") + ;; rules + (case rules + ((header) + ;; We consider the first row to be a header row. + (if first? "rulebelow { yes }" "")) + ((rows all) + ;; We use redundant rules because coloring + ;; might make them disappear otherwise. + (string-append (if first? "" "ruleabove { yes } ") + (if last? "" "rulebelow { yes }"))) + (else ""))))) + +(define (lout-table-cell-rules cell) + ;; Return a string representing the Lout option string for + ;; displaying rules of `cell'. + (let* ((row (ast-parent cell)) + (table (ast-parent row)) + (frames (markup-option table :frame)) + (rules (markup-option table :rules)) + (first? (lout-table-first-cell? cell)) + (last? (lout-table-last-cell? cell))) + (string-append (if (and first? + (member frames '(vsides lhs box border))) + "ruleleft { yes } " "") + (if (and last? + (member frames '(vsides rhs box border))) + "ruleright { yes } " "") + ;; rules + (case rules + ((cols all) + ;; We use redundant rules because coloring + ;; might make them disappear otherwise. + (string-append (if last? "" "ruleright { yes } ") + (if first? "" "ruleleft { yes }"))) + (else ""))))) + +;*---------------------------------------------------------------------*/ +;* table ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'table + :options '(:frame :rules :border :width :cellpadding) + ;; XXX: `:cellstyle' `separate' and `:cellspacing' not supported + ;; by Lout's @Tbl. + :before (lambda (n e) + (let ((width (markup-option n :width)) + (border (markup-option n :border)) + (cp (markup-option n :cellpadding)) + (rows (markup-body n))) + + (define (cell-width row col) + (let ((cells (markup-body row)) + (bg (markup-option row :bg))) + (let loop ((cells cells) + (c 0)) + (if (pair? cells) + (let* ((ce (car cells)) + (width (markup-option ce :width)) + (colspan (markup-option ce :colspan))) + (if (= col c) + (if (number? width) width 0) + (loop (cdr cells) (+ c colspan)))) + 0)))) + + (define (col-width col) + (let loop ((rows rows) + (width 0)) + (if (null? rows) + (if (= width 0) + 0 + width) + (loop (cdr rows) + (max width (cell-width (car rows) col)))))) + + (if (pair? (markup-body n)) + ;; Mark the first row as such + (markup-option-add! (car (markup-body n)) + '&first-row? #t)) + + ;; Mark each row with vertical spanning information + (lout-table-mark-vspan! n) + + (display "\n@Tbl # table\n") + + (if (number? border) + (printf " rulewidth { ~a }\n" + (lout-width (markup-option n :border)))) + (if (number? cp) + (printf " margin { ~ap }\n" + (number->string cp))) + + (display "{\n"))) + + :after (lambda (n e) + (let ((header-rows (or (markup-option n '&header-rows) 0))) + ;; Issue an `@EndHeaderRow' symbol for each `@HeaderRow' symbol + ;; previously produced. + (let ((cnt header-rows)) + (if (> cnt 0) + (display "\n@EndHeaderRow")))) + + (display "\n} # @Tbl\n"))) + +;*---------------------------------------------------------------------*/ +;* 'tr ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'tr + :options '(:bg) + :action (lambda (row e) + (let* ((bg (markup-option row :bg)) + (bg-color (if (not bg) "" + (string-append + "paint { " + (lout-color-specification bg) " } "))) + (first-row? (markup-option row '&first-row?)) + (header-row? (any (lambda (n) + (eq? (markup-option n 'markup) + 'th)) + (markup-body row))) + (fmt (lout-table-row-format-string row)) + (rules (lout-table-row-rules row))) + + ;; Use `@FirstRow' and `@HeaderFirstRow' for the first + ;; row. `@HeaderFirstRow' seems to be buggy though. + ;; (see section 6.1, p.119 of the User's Guide). + + (printf "\n@~aRow ~aformat { ~a }" + (if first-row? "First" "") + bg-color fmt) + (display (string-append " " rules)) + (output (markup-body row) e) + + (if (and header-row? (engine-custom e 'use-header-rows?)) + ;; `@HeaderRow' symbols are not actually printed + ;; (see section 6.11, p. 134 of the User's Guide) + ;; FIXME: This all seems buggy on the Lout side. + (let* ((tab (ast-parent row)) + (hrows (and (markup? tab) + (or (markup-option tab '&header-rows) + 0)))) + (if (not (is-markup? tab 'table)) + (skribe-error 'lout + "tr's parent not a table!" tab)) + (markup-option-add! tab '&header-rows (+ hrows 1)) + (printf "\n@Header~aRow ~aformat { ~a }" + "" ; (if first-row? "First" "") + bg-color fmt) + (display (string-append " " rules)) + + ;; the cells must be produced once here + (output (markup-body row) e)))))) + +;*---------------------------------------------------------------------*/ +;* tc */ +;*---------------------------------------------------------------------*/ +(markup-writer 'tc + :options '(markup :width :align :valign :colspan :rowspan :bg) + :before (lambda (cell e) + (printf "\n ~a { " (markup-option cell '&cell-name))) + :after (lambda (cell e) + (display " }"))) + + +;*---------------------------------------------------------------------*/ +;* image ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'image + :options '(:file :url :width :height :zoom) + :action (lambda (n e) + (let* ((file (markup-option n :file)) + (url (markup-option n :url)) + (width (markup-option n :width)) + (height (markup-option n :height)) + (zoom (markup-option n :zoom)) + (body (markup-body n)) + (efmt (engine-custom e 'image-format)) + (img (or url (convert-image file + (if (list? efmt) + efmt + '("eps")))))) + (if url ;; maybe we should run `wget' then? :-) + (skribe-error 'lout "Image URLs not supported" url)) + (if (not (string? img)) + (skribe-error 'lout "Illegal image" file) + (begin + (if width + (printf "\n~a @Wide" (lout-width width))) + (if height + (printf "\n~a @High" (lout-width height))) + (if zoom + (printf "\n~a @Scale" zoom)) + (printf "\n@IncludeGraphic { \"~a\" }\n" img)))))) + +;*---------------------------------------------------------------------*/ +;* Ornaments ... */ +;*---------------------------------------------------------------------*/ +;; Each ornament is enclosed in braces to allow such things as +;; "he,(bold "ll")o" to work without adding an extra space. +(markup-writer 'roman :before "{ @R { " :after " } }") +(markup-writer 'underline :before "{ @Underline { " :after " } }") +(markup-writer 'code :before "{ @F { " :after " } }") +(markup-writer 'var :before "{ @F { " :after " } }") +(markup-writer 'sc :before "{ @S {" :after " } }") +(markup-writer 'sf :before "{ { Helvetica Base } @Font { " :after " } }") +(markup-writer 'sub :before "{ @Sub { " :after " } }") +(markup-writer 'sup :before "{ @Sup { " :after " } }") +(markup-writer 'tt :before "{ @F { " :after " } }") + + +;; `(bold (it ...))' and `(it (bold ...))' should both lead to `@BI { ... }' +;; instead of `@B { @I { ... } }' (which is different). +;; Unfortunately, it is not possible to use `ast-parent' and +;; `find1-up' to check whether `it' (resp. `bold') was invoked within +;; a `bold' (resp. `it') markup, hence the `&italics' and `&bold' +;; option trick. FIXME: This would be much more efficient if +;; `ast-parent' would work as expected. + +;; FIXME: See whether `@II' can be useful. Use SRFI-39 parameters. + +(markup-writer 'it + :before (lambda (node engine) + (let ((bold-children (search-down (lambda (n) + (is-markup? n 'bold)) + node))) + (map (lambda (b) + (markup-option-add! b '&italics #t)) + bold-children) + (printf "{ ~a { " + (if (markup-option node '&bold) + "@BI" "@I")))) + :after " } }") + +(markup-writer 'emph + :before (lambda (n e) + (invoke (writer-before (markup-writer-get 'it e)) + n e)) + :after (lambda (n e) + (invoke (writer-after (markup-writer-get 'it e)) + n e))) + +(markup-writer 'bold + :before (lambda (node engine) + (let ((it-children (search-down (lambda (n) + (or (is-markup? n 'it) + (is-markup? n 'emph))) + node))) + (map (lambda (i) + (markup-option-add! i '&bold #t)) + it-children) + (printf "{ ~a { " + (if (markup-option node '&italics) + "@BI" "@B")))) + :after " } }") + +;*---------------------------------------------------------------------*/ +;* q ... @label q@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'q + :before "{ @Char guillemotleft }\" \"" + :after "\" \"{ @Char guillemotright }") + +;*---------------------------------------------------------------------*/ +;* mailto ... @label mailto@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'mailto + :options '(:text) + :before " @I { " + :action (lambda (n e) + (let ((text (markup-option n :text))) + (output (or text (markup-body n)) e))) + :after " }") + +;*---------------------------------------------------------------------*/ +;* mark ... @label mark@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'mark + :action (lambda (n e) + (if (markup-ident n) + (begin + (display "{ @SkribeMark { ") + (display (lout-tagify (markup-ident n))) + (display " } }")) + (skribe-error 'lout "mark: Node has no identifier" n)))) + +(define (lout-page-of ident) + ;; Return a string for the `@PageOf' statement for `ident'. + (let ((tag (lout-tagify ident))) + (string-append ", { " tag " } @CrossLink { " + "p. @PageOf { " tag " } }"))) + + +;*---------------------------------------------------------------------*/ +;* ref ... @label ref@ */ +;*---------------------------------------------------------------------*/ +(markup-writer 'ref + :options '(:text :chapter :section :subsection :subsubsection + :figure :mark :handle :ident :page) + :action (lambda (n e) + (let ((url (markup-option n :url)) + (text (markup-option n :text)) + (mark (markup-option n :mark)) + (handle (markup-option n :handle)) + (chapter (markup-option n :chapter)) + (section (markup-option n :section)) + (subsection (markup-option n :subsection)) + (subsubsection (markup-option n :subsubsection)) + (show-page-num? (markup-option n :page))) + + ;; A handle to the target is automagically passed + ;; as the body of each `ref' instance (see `api.scm'). + (let* ((target (handle-ast (markup-body n))) + (ident (markup-ident target)) + (title (markup-option target :title)) + (number (markup-option target :number))) + (lout-debug "ref: target=~a ident=~a" target ident) + (if text (output text e)) + + ;; Marks don't have a number + (if (eq? (markup-markup target) 'mark) + (printf (lout-page-of ident)) + (begin + ;; Don't output a section/whatever number + ;; when text is provided in order to be + ;; consistent with the HTML back-end. + ;; Sometimes (eg. for user-defined markups), + ;; we don't even know how to reference them + ;; anyway. + (if (not text) + (printf " @NumberOf { ~a }" + (lout-tagify ident))) + (if show-page-num? + (printf (lout-page-of ident))))))))) + + +;*---------------------------------------------------------------------*/ +;* bib-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'bib-ref + :options '(:text :bib) + :before "[" + :action (lambda (n e) + (let ((entry (handle-ast (markup-body n)))) + (output (markup-option entry :title) e))) + :after "]") + +;*---------------------------------------------------------------------*/ +;* bib-ref+ ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'bib-ref+ + ;; When several references are passed. Strangely enough, the list of + ;; entries passed to this writer (as its body) contains both `bib-ref' and + ;; `bib-entry' objects, hence the `canonicalize-entry' function below. + :options '(:text :bib) + :before "[" + :action (lambda (n e) + (let* ((entries (markup-body n)) + (canonicalize-entry (lambda (x) + (cond + ((is-markup? x 'bib-entry) x) + ((is-markup? x 'bib-ref) + (handle-ast (markup-body x))) + (else + (skribe-error + 'lout + "bib-ref+: invalid entry type" + x))))) + (help-proc (lambda (proc) + (lambda (e1 e2) + (proc (canonicalize-entry e1) + (canonicalize-entry e2))))) + (sort-proc (engine-custom e 'bib-refs-sort-proc))) + (let loop ((rs (if sort-proc + (sort entries (help-proc sort-proc)) + entries))) + (cond + ((null? rs) + #f) + (else + (if (is-markup? (car rs) 'bib-ref) + (invoke (writer-action (markup-writer-get 'bib-ref e)) + (car rs) + e) + (output (car rs) e)) + (if (pair? (cdr rs)) + (begin + (display ",") + (loop (cdr rs))))))))) + :after "]") + +;*---------------------------------------------------------------------*/ +;* url-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'url-ref + :options '(:url :text) + :action (lambda (n e) + (let ((url (markup-option n :url)) + (text (markup-option n :text)) + (transform (engine-custom e 'transform-url-ref-proc))) + (if (or (not transform) + (markup-option n '&transformed)) + (begin + (printf "{ \"~a\" @ExternalLink { " url) + (if text ;; FIXME: Should be (not (string-index text #\space)) + (output text e) + (let ((filter-url (make-string-replace + `((#\/ "\"/\"&-") + (#\. ".&-") + (#\- "&-") + (#\_ "_&-") + ,@lout-verbatim-encoding + (#\newline ""))))) + ;; Filter the URL in a way to give Lout hints on + ;; where hyphenation should take place. + (fprint (current-error-port) "Here!!!" filter-url) + (display (filter-url url) e))) + (printf " } }")) + (begin + (markup-option-add! n '&transformed #t) + (output (transform n) e)))))) + +;*---------------------------------------------------------------------*/ +;* line-ref ... */ +;*---------------------------------------------------------------------*/ +(markup-writer 'line-ref + :options '(:offset) + :before "{ @I {" ;; FIXME: Not tested + :action (lambda (n e) + (let ((o (markup-option n :offset)) + (v (string->number (markup-option n :text)))) + (cond + ((and (number? o) (number? v)) + (display (+ o v))) + (else + (display v))))) + :after "} }") + +;*---------------------------------------------------------------------*/ +;* &the-bibliography ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&the-bibliography + :before (lambda (n e) + ;; Compute the length (in characters) of the longest entry label + ;; so that the label width of the list is adjusted. + (let loop ((entries (markup-body n)) + (label-width 0)) + (if (null? entries) + (begin + (display "\n# the-bibliography\n@LP\n") + ;; usually, the tag with be something like "[7]", hence + ;; the `+ 1' below (`[]' is narrower than 2f) + (printf "@TaggedList labelwidth { ~af }\n" + (+ 1 label-width))) + (loop (cdr entries) + (let ((entry-length + (let liip ((e (car entries))) + (cond + ((markup? e) + (cond ((is-markup? e '&bib-entry) + (liip (markup-option e :title))) + ((is-markup? e '&bib-entry-ident) + (liip (markup-option e 'number))) + (else + (liip (markup-body e))))) + ((string? e) + (string-length e)) + ((number? e) + (liip (number->string e))) + ((list? e) + (apply + (map liip e))) + (else 0))))) +; (fprint (current-error-port) +; "node=" (car entries) +; " body=" (markup-body (car entries)) +; " title=" (markup-option (car entries) +; :title) +; " len=" entry-length) + (if (> label-width entry-length) + label-width + entry-length)))))) + :after (lambda (n e) + (display "\n@EndList # the-bibliography (end)\n"))) + +;*---------------------------------------------------------------------*/ +;* &bib-entry ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry + :options '(:title) + :before "@TagItem " + :action (lambda (n e) + (display " { ") + (output n e (markup-writer-get '&bib-entry-label e)) + (display " } { ") + (output n e (markup-writer-get '&bib-entry-body e)) + (display " }")) + :after "\n") + +;*---------------------------------------------------------------------*/ +;* &bib-entry-title ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-title + :action (lambda (n e) + (let* ((t (bold (markup-body n))) + (en (handle-ast (ast-parent n))) + (url (markup-option en 'url)) + (ht (if url (ref :url (markup-body url) :text t) t))) + (skribe-eval ht e)))) + +;*---------------------------------------------------------------------*/ +;* &bib-entry-label ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-label + :options '(:title) + :before " \"[\"" + :action (lambda (n e) (output (markup-option n :title) e)) + :after "\"]\" ") + +;*---------------------------------------------------------------------*/ +;* &bib-entry-url ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&bib-entry-url + :action (lambda (n e) + (let* ((en (handle-ast (ast-parent n))) + (url (markup-option en 'url)) + (t (bold (markup-body url)))) + (skribe-eval (ref :url (markup-body url) :text t) e)))) + +;*---------------------------------------------------------------------*/ +;* &the-index-header ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&the-index-header + :action (lambda (n e) + (display "@Center { ") ;; FIXME: Needs to be rewritten. + (for-each (lambda (h) + (let ((f (engine-custom e 'index-header-font-size))) + (if f + (skribe-eval (font :size f (bold (it h))) e) + (output h e)) + (display " "))) + (markup-body n)) + (display " }") + (skribe-eval (linebreak 2) e))) + +;*---------------------------------------------------------------------*/ +;* &source-comment ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-comment + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-comment-color)) + (n1 (it (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-line-comment ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-line-comment + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-comment-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-keyword ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-keyword + :action (lambda (n e) + (skribe-eval (bold (markup-body n)) e))) + +;*---------------------------------------------------------------------*/ +;* &source-define ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-define + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-define-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-module ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-module + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-module-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-markup ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-markup + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-markup-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-thread ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-thread + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-thread-color)) + (n1 (bold (markup-body n))) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-string ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-string + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-string-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + n1))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-bracket ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-bracket + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-bracket-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc (bold n1)) + (it n1)))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-type ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-type + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-type-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc n1) + (it n1)))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-key ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-key + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-type-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg cc (bold n1)) + (it n1)))) + (skribe-eval n2 e)))) + +;*---------------------------------------------------------------------*/ +;* &source-bracket ... */ +;*---------------------------------------------------------------------*/ +(markup-writer '&source-bracket + :action (lambda (n e) + (let* ((cc (engine-custom e 'source-type-color)) + (n1 (markup-body n)) + (n2 (if (and (engine-custom e 'source-color) cc) + (color :fg "red" (bold n1)) + (bold n1)))) + (skribe-eval n2 e)))) + + +;*---------------------------------------------------------------------*/ +;* Illustrations */ +;*---------------------------------------------------------------------*/ +(define-public (lout-illustration . args) + ;; FIXME: This should be a markup. + + ;; Introduce a Lout illustration (such as a diagram) whose code is either + ;; the body of `lout-illustration' or the contents of `file'. For engines + ;; other than Lout, an EPS file is produced and then converted if needed. + ;; The `:alt' option is equivalent to HTML's `alt' attribute for the `img' + ;; markup, i.e. it is passed as the body of the `image' markup for + ;; non-Lout back-ends. + + (define (file-contents file) + ;; Return the contents (a string) of file `file'. + (with-input-from-file file + (lambda () + (let loop ((contents "") + (line (read-line))) + (if (eof-object? line) + contents + (loop (string-append contents line "\n") + (read-line))))))) + + (define (illustration-header) + ;; Return a string denoting the header of a Lout illustration. + (let ((lout (find-engine 'lout))) + (string-append "@SysInclude { picture }\n" + (engine-custom lout 'includes) + "\n\n@Illustration\n" + " @InitialFont { " + (engine-custom lout 'initial-font) + " }\n" + " @InitialBreak { " + (engine-custom lout 'initial-break) + " }\n" + " @InitialLanguage { " + (engine-custom lout 'initial-language) + " }\n" + " @InitialSpace { tex }\n" + "{\n"))) + + (define (illustration-ending) + ;; Return a string denoting the end of a Lout illustration. + "\n}\n") + + (let* ((opts (the-options args '(file ident alt))) + (file* (assoc ':file opts)) + (ident* (assoc ':ident opts)) + (alt* (assoc ':alt opts)) + (file (and file* (cadr file*))) + (ident (and ident* (cadr ident*))) + (alt (or (and alt* (cadr alt*)) "An illustration"))) + + (let ((contents (if (not file) + (car (the-body args)) + (file-contents file)))) + (if (engine-format? "lout") + (! contents) ;; simply inline the illustration + (let* ((lout (find-engine 'lout)) + (output (string-append (or ident + (symbol->string + (gensym 'lout-illustration))) + ".eps")) + (port (open-output-pipe + (string-append (or (engine-custom lout + 'lout-program-name) + "lout") + " -o " output + " -EPS")))) + + ;; send the illustration to Lout's standard input + (display (illustration-header) port) + (display contents port) + (display (illustration-ending) port) + + (let ((exit-val (status:exit-val (close-pipe port)))) + (if (not (eqv? 0 exit-val)) + (skribe-error 'lout-illustration + "lout exited with error code" exit-val))) + + (if (not (file-exists? output)) + (skribe-error 'lout-illustration "file not created" + output)) + + (let ((file-info (false-if-exception (stat output)))) + (if (or (not file-info) + (= 0 (stat:size file-info))) + (skribe-error 'lout-illustration + "empty output file" output))) + + ;; the image (FIXME: Should set its location) + (image :file output alt)))))) + + +;*---------------------------------------------------------------------*/ +;* Restore the base engine */ +;*---------------------------------------------------------------------*/ +(pop-default-engine) + + +;; Local Variables: -- +;; mode: Scheme -- +;; coding: latin-1 -- +;; scheme-program-name: "guile" -- +;; End: -- diff --git a/src/guile/skribilo/engine/xml.scm b/src/guile/skribilo/engine/xml.scm new file mode 100644 index 0000000..81e9f27 --- /dev/null +++ b/src/guile/skribilo/engine/xml.scm @@ -0,0 +1,115 @@ +;;; xml.scm -- Generic XML engine. +;;; +;;; Copyright 2003, 2004 Manuel Serrano +;;; +;;; +;;; This program is free software; you can redistribute it and/or modify +;;; it under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 2 of the License, or +;;; (at your option) any later version. +;;; +;;; This program is distributed in the hope that it will be useful, +;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with this program; if not, write to the Free Software +;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +;;; USA. + +(define-skribe-module (skribilo engine xml)) + +;*---------------------------------------------------------------------*/ +;* xml-engine ... */ +;*---------------------------------------------------------------------*/ +(define xml-engine + ;; setup the xml engine + (default-engine-set! + (make-engine 'xml + :version 1.0 + :format "html" + :delegate (find-engine 'base) + :filter (make-string-replace '((#\< "<") + (#\> ">") + (#\& "&") + (#\" """) + (#\@ "@")))))) + +;*---------------------------------------------------------------------*/ +;* markup ... */ +;*---------------------------------------------------------------------*/ +(let ((xml-margin 0)) + (define (make-margin) + (make-string xml-margin #\space)) + (define (xml-attribute? val) + (cond + ((or (string? val) (number? val) (boolean? val)) + #t) + ((list? val) + (every? xml-attribute? val)) + (else + #f))) + (define (xml-attribute att val) + (let ((s (keyword->string att))) + (printf " ~a=\"" (substring s 1 (string-length s))) + (let loop ((val val)) + (cond + ((or (string? val) (number? val)) + (display val)) + ((boolean? val) + (display (if val "true" "false"))) + ((pair? val) + (for-each loop val)) + (else + #f))) + (display #\"))) + (define (xml-option opt val e) + (let* ((m (make-margin)) + (ks (keyword->string opt)) + (s (substring ks 1 (string-length ks)))) + (printf "~a<~a>\n" m s) + (output val e) + (printf "~a</~a>\n" m s))) + (define (xml-options n e) + ;; display the true options + (let ((opts (filter (lambda (o) + (and (keyword? (car o)) + (not (xml-attribute? (cadr o))))) + (markup-options n)))) + (if (pair? opts) + (let ((m (make-margin))) + (display m) + (display "<options>\n") + (set! xml-margin (+ xml-margin 1)) + (for-each (lambda (o) + (xml-option (car o) (cadr o) e)) + opts) + (set! xml-margin (- xml-margin 1)) + (display m) + (display "</options>\n"))))) + (markup-writer #t + :options 'all + :before (lambda (n e) + (printf "~a<~a" (make-margin) (markup-markup n)) + ;; display the xml attributes + (for-each (lambda (o) + (if (and (keyword? (car o)) + (xml-attribute? (cadr o))) + (xml-attribute (car o) (cadr o)))) + (markup-options n)) + (set! xml-margin (+ xml-margin 1)) + (display ">\n")) + :action (lambda (n e) + ;; options + (xml-options n e) + ;; body + (output (markup-body n) e)) + :after (lambda (n e) + (printf "~a</~a>\n" (make-margin) (markup-markup n)) + (set! xml-margin (- xml-margin 1))))) + +;*---------------------------------------------------------------------*/ +;* Restore the base engine */ +;*---------------------------------------------------------------------*/ +(default-engine-set! (find-engine 'base)) |