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+;*=====================================================================*/
+;* serrano/prgm/project/skribe/skr/latex.skr */
+;* ------------------------------------------------------------- */
+;* Author : Manuel Serrano */
+;* Creation : Tue Sep 2 09:46:09 2003 */
+;* Last change : Thu May 26 12:59:47 2005 (serrano) */
+;* Copyright : 2003-05 Manuel Serrano */
+;* ------------------------------------------------------------- */
+;* LaTeX Skribe engine */
+;* ------------------------------------------------------------- */
+;* Implementation: */
+;* common: @path ../src/common/api.src@ */
+;* bigloo: @path ../src/bigloo/api.bgl@ */
+;* ------------------------------------------------------------- */
+;* doc: */
+;* @ref ../../doc/user/latexe.skb:ref@ */
+;*=====================================================================*/
+
+;*---------------------------------------------------------------------*/
+;* 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 "\\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 "$~a$" 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 "~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 "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 "~a-above" id))
+ (class "table-line-above"))
+ e))
+ ((above hsides)
+ (printf "{~a}" cols)
+ (output (new markup
+ (markup '&latex-table-hline)
+ (parent n)
+ (ident (format "~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 "~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))