diff options
Diffstat (limited to 'src/guile/skribilo/engine/latex.scm')
| -rw-r--r-- | src/guile/skribilo/engine/latex.scm | 1784 |
1 files changed, 1784 insertions, 0 deletions
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}") + (#\Â "\\^{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)) |