1 ;;; ptexinfmt.el -- portable Texinfo formatter.
3 ;; Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993,
4 ;; 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
5 ;; Copyright (C) 1999 Yoshiki Hayashi <yoshiki@xemacs.org>
6 ;; Copyright (C) 2000, 2001 TAKAHASHI Kaoru <kaoru@kaisei.org>
8 ;; Author: TAKAHASHI Kaoru <kaoru@kaisei.org>
9 ;; Yoshiki Hayashi <yoshiki@xemacs.org>
10 ;; Maintainer: TAKAHASHI Kaoru <kaoru@kaisei.org>
11 ;; Created: 7 Jul 2000
12 ;; Keywords: maint, tex, docs, emulation, compatibility
14 ;; This program is free software; you can redistribute it and/or
15 ;; modify it under the terms of the GNU General Public License as
16 ;; published by the Free Software Foundation; either version 2, or (at
17 ;; your option) any later version.
19 ;; This program is distributed in the hope that it will be useful, but
20 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 ;; General Public License for more details.
24 ;; You should have received a copy of the GNU General Public License
25 ;; along with GNU Emacs; see the file COPYING. If not, write to the
26 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
27 ;; Boston, MA 02111-1307, USA.
31 ;; Original code: Yoshiki Hayashi <yoshiki@xemacs.org>
32 ;; makeinfo.el (gnujdoc project)
34 ;; Support texinfmt.el 2.32 or later.
42 (defvar ptexinfmt-disable-broken-notice-flag t
43 "If non-nil disable notice, when call `broken-facility'.
44 This is NO-NOTICE argument in `broken-facility'.")
47 (broken-facility texinfo-format-printindex
48 "Can't sort on Mule for Windows."
49 (if (and (memq system-type '(windows-nt ms-dos))
50 ;;; I don't know version threshold.
51 ;;; (string< texinfmt-version "2.37 of 24 May 1997")
52 (boundp 'MULE) (not (featurep 'meadow))) ; Mule for Windows
55 ptexinfmt-disable-broken-notice-flag)
58 (broken-facility texinfo-format-var
59 "Don't perse @var argument."
62 (let (texinfo-enclosure-list texinfo-alias-list)
64 (insert "@var{@asis{foo}}\n")
65 (texinfo-format-expand-region (point-min) (point-max))
68 ptexinfmt-disable-broken-notice-flag)
71 (broken-facility texinfo-format-xref
72 "Can't format @xref, 1st argument is empty."
75 (let (texinfo-enclosure-list texinfo-alias-list)
77 (insert "@xref{, xref, , file}\n")
78 (texinfo-format-expand-region (point-min) (point-max))
81 ptexinfmt-disable-broken-notice-flag)
84 (broken-facility texinfo-format-uref
85 "Parse twice @uref argument."
88 (let (texinfo-enclosure-list texinfo-alias-list)
90 (insert "@uref{mailto:foo@@bar.com}\n")
91 (texinfo-format-expand-region (point-min) (point-max))
94 ptexinfmt-disable-broken-notice-flag)
97 (broken-facility texinfo-multitable-widths
98 "`texinfo-multitable-widths' unsupport wide-char."
99 (if (fboundp 'texinfo-multitable-widths)
101 (let ((str "
\e$BI}9-J8;z
\e(B"))
103 (insert (format " {%s}\n" str))
104 (goto-char (point-min))
105 (if (= (car (texinfo-multitable-widths)) (length str))
108 ;; function definition is void
110 ptexinfmt-disable-broken-notice-flag)
112 (broken-facility texinfo-multitable-item
113 "`texinfo-multitable-item' unsupport wide-char."
114 (if-broken texinfo-multitable-widths nil t)
115 ptexinfmt-disable-broken-notice-flag)
119 ;; Removed Texinfo 3.8
120 (put 'overfullrule 'texinfo-format 'texinfo-discard-line)
121 (put 'smallbreak 'texinfo-format 'texinfo-discard-line)
122 (put 'medbreak 'texinfo-format 'texinfo-discard-line)
123 (put 'bigbreak 'texinfo-format 'texinfo-discard-line)
124 ;; Removed Texinfo 3.9
125 (put 'setchapterstyle 'texinfo-format 'texinfo-discard-line-with-args)
127 ;;; Hardcopy and HTML (discard)
129 (put 'documentlanguage 'texinfo-format 'texinfo-discard-line-with-args)
130 (put 'documentencoding 'texinfo-format 'texinfo-discard-line-with-args)
131 (put 'documentdescription 'texinfo-format 'texinfo-discard-line-with-args)
134 (put 'smallbook 'texinfo-format 'texinfo-discard-line)
135 (put 'letterpaper 'texinfo-format 'texinfo-discard-line)
136 (put 'afourpaper 'texinfo-format 'texinfo-discard-line)
137 (put 'afourlatex 'texinfo-format 'texinfo-discard-line)
138 (put 'afourwide 'texinfo-format 'texinfo-discard-line)
139 (put 'afivepaper 'texinfo-format 'texinfo-discard-line)
140 (put 'pagesizes 'texinfo-format 'texinfo-discard-line-with-args)
143 (put 'setchapternewpage 'texinfo-format 'texinfo-discard-line-with-args)
144 (put 'kbdinputstyle 'texinfo-format 'texinfo-discard-line-with-args)
147 (put 'setcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
148 (put 'setshortcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
149 (put 'novalidate 'texinfo-format 'texinfo-discard-line-with-args)
152 (put 'headings 'texinfo-format 'texinfo-discard-line-with-args)
153 (put 'evenfooting 'texinfo-format 'texinfo-discard-line-with-args)
154 (put 'evenheading 'texinfo-format 'texinfo-discard-line-with-args)
155 (put 'oddfooting 'texinfo-format 'texinfo-discard-line-with-args)
156 (put 'oddheading 'texinfo-format 'texinfo-discard-line-with-args)
157 (put 'everyfooting 'texinfo-format 'texinfo-discard-line-with-args)
158 (put 'everyheading 'texinfo-format 'texinfo-discard-line-with-args)
161 (put 'page 'texinfo-format 'texinfo-discard-line)
162 (put 'hyphenation 'texinfo-format 'texinfo-discard-command-and-arg)
168 (put 'dircategory 'texinfo-format 'texinfo-format-dircategory)
169 (defun-maybe texinfo-format-dircategory ()
170 (let ((str (texinfo-parse-arg-discard)))
171 (delete-region (point)
173 (skip-chars-forward " ")
175 (insert "INFO-DIR-SECTION " str "\n")))
178 (put 'direntry 'texinfo-format 'texinfo-format-direntry)
179 (defun-maybe texinfo-format-direntry ()
180 (texinfo-push-stack 'direntry nil)
181 (texinfo-discard-line)
182 (insert "START-INFO-DIR-ENTRY\n"))
184 (put 'direntry 'texinfo-end 'texinfo-end-direntry)
185 (defun-maybe texinfo-end-direntry ()
186 (texinfo-discard-command)
187 (insert "END-INFO-DIR-ENTRY\n\n")
188 (texinfo-pop-stack 'direntry))
192 ;; @detailmenu ... @end detailmenu
193 (put 'detailmenu 'texinfo-format 'texinfo-discard-line)
194 (put 'detailmenu 'texinfo-end 'texinfo-discard-command)
196 ;; @smalldisplay ... @end smalldisplay
197 (put 'smalldisplay 'texinfo-format 'texinfo-format-example)
198 (put 'smalldisplay 'texinfo-end 'texinfo-end-example)
200 ;; @smallformat ... @end smallformat
201 (put 'smallformat 'texinfo-format 'texinfo-format-flushleft)
202 (put 'smallformat 'texinfo-end 'texinfo-end-flushleft)
204 ;; @cartouche ... @end cartouche
205 (put 'cartouche 'texinfo-format 'texinfo-discard-line)
206 (put 'cartouche 'texinfo-end 'texinfo-discard-command)
210 ;; @ifnottex ... @end ifnottex (makeinfo 3.11 or later)
211 (put 'ifnottex 'texinfo-format 'texinfo-discard-line)
212 (put 'ifnottex 'texinfo-end 'texinfo-discard-command)
214 ;; @ifnothtml ... @end ifnothtml (makeinfo 3.11 or later)
215 (put 'ifnothtml 'texinfo-format 'texinfo-discard-line)
216 (put 'ifnothtml 'texinfo-end 'texinfo-discard-command)
218 ;; @ifnotplaintext ... @end ifnotplaintext (makeinfo 4.2 or later)
219 (put 'ifnotplaintext 'texinfo-format 'texinfo-discard-line)
220 (put 'ifnotplaintext 'texinfo-end 'texinfo-discard-command)
223 ;; @ifnotinfo ... @end ifnotinfo (makeinfo 3.11 or later)
224 (put 'ifnotinfo 'texinfo-format 'texinfo-format-ifnotinfo)
225 (defun-maybe texinfo-format-ifnotinfo ()
226 (delete-region texinfo-command-start
227 (progn (re-search-forward "@end ifnotinfo[ \t]*\n")
230 ;; @html ... @end html (makeinfo 3.11 or later)
231 (put 'html 'texinfo-format 'texinfo-format-html)
232 (defun-maybe texinfo-format-html ()
233 (delete-region texinfo-command-start
234 (progn (re-search-forward "@end html[ \t]*\n")
237 ;; @ifhtml ... @end ifhtml (makeinfo 3.8 or later)
238 (put 'ifhtml 'texinfo-format 'texinfo-format-ifhtml)
239 (defun texinfo-format-ifhtml ()
240 (delete-region texinfo-command-start
241 (progn (re-search-forward "@end ifhtml[ \t]*\n")
244 ;; @ifplaintext ... @end ifplaintext (makeinfo 4.2 or later)
245 (put 'ifplaintext 'texinfo-format 'texinfo-format-ifplaintext)
246 (defun-maybe texinfo-format-ifplaintext ()
247 (delete-region texinfo-command-start
248 (progn (re-search-forward "@end ifplaintext[ \t]*\n")
254 ;; @url, @env, @command
255 (put 'url 'texinfo-format 'texinfo-format-code)
256 (put 'env 'texinfo-format 'texinfo-format-code)
257 (put 'command 'texinfo-format 'texinfo-format-code)
260 (put 'acronym 'texinfo-format 'texinfo-format-var)
262 (when-broken texinfo-format-var
263 (fmakunbound 'texinfo-format-var))
264 (defun-maybe texinfo-format-var ()
265 (let ((arg (texinfo-parse-expanded-arg)))
266 (texinfo-discard-command)
267 (insert (upcase arg))))
270 (put 'key 'texinfo-format 'texinfo-format-key)
271 (defun-maybe texinfo-format-key ()
272 (insert (texinfo-parse-arg-discard))
273 (goto-char texinfo-command-start))
275 ;; @email{EMAIL-ADDRESS[, DISPLAYED-TEXT]}
276 (put 'email 'texinfo-format 'texinfo-format-email)
277 (defun-maybe texinfo-format-email ()
278 "Format EMAIL-ADDRESS and optional DISPLAYED-TXT.
279 Insert < ... > around EMAIL-ADDRESS."
280 (let ((args (texinfo-format-parse-args)))
281 (texinfo-discard-command)
284 (insert (nth 1 args) " <" (nth 0 args) ">")
285 (insert "<" (nth 0 args) ">"))))
288 (put 'option 'texinfo-format 'texinfo-format-option)
289 (defun texinfo-format-option ()
290 "Insert ` ... ' around arg unless inside a table; in that case, no quotes."
291 ;; `looking-at-backward' not available in v. 18.57, 20.2
292 ;; searched-for character is a control-H
293 (if (not (search-backward "\010"
294 (save-excursion (beginning-of-line) (point))
296 (insert "`" (texinfo-parse-arg-discard) "'")
297 (insert (texinfo-parse-arg-discard)))
298 (goto-char texinfo-command-start))
302 ;;; Accents and Special characters
303 ;; @pounds{} ==> # Pounds Sterling
304 (put 'pounds 'texinfo-format 'texinfo-format-pounds)
305 (defun-maybe texinfo-format-pounds ()
306 (texinfo-parse-arg-discard)
309 ;; @OE{} ==> OE French-OE-ligature
310 (put 'OE 'texinfo-format 'texinfo-format-French-OE-ligature)
311 (defun-maybe texinfo-format-French-OE-ligature ()
312 (insert "OE" (texinfo-parse-arg-discard))
313 (goto-char texinfo-command-start))
316 (put 'oe 'texinfo-format 'texinfo-format-French-oe-ligature)
317 (defun-maybe texinfo-format-French-oe-ligature () ; lower case
318 (insert "oe" (texinfo-parse-arg-discard))
319 (goto-char texinfo-command-start))
321 ;; @AA{} ==> AA Scandinavian-A-with-circle
322 (put 'AA 'texinfo-format 'texinfo-format-Scandinavian-A-with-circle)
323 (defun-maybe texinfo-format-Scandinavian-A-with-circle ()
324 (insert "AA" (texinfo-parse-arg-discard))
325 (goto-char texinfo-command-start))
328 (put 'aa 'texinfo-format 'texinfo-format-Scandinavian-a-with-circle)
329 (defun-maybe texinfo-format-Scandinavian-a-with-circle () ; lower case
330 (insert "aa" (texinfo-parse-arg-discard))
331 (goto-char texinfo-command-start))
333 ;; @AE{} ==> AE Latin-Scandinavian-AE
334 (put 'AE 'texinfo-format 'texinfo-format-Latin-Scandinavian-AE)
335 (defun-maybe texinfo-format-Latin-Scandinavian-AE ()
336 (insert "AE" (texinfo-parse-arg-discard))
337 (goto-char texinfo-command-start))
340 (put 'ae 'texinfo-format 'texinfo-format-Latin-Scandinavian-ae)
341 (defun-maybe texinfo-format-Latin-Scandinavian-ae () ; lower case
342 (insert "ae" (texinfo-parse-arg-discard))
343 (goto-char texinfo-command-start))
345 ;; @ss{} ==> ss German-sharp-S
346 (put 'ss 'texinfo-format 'texinfo-format-German-sharp-S)
347 (defun-maybe texinfo-format-German-sharp-S ()
348 (insert "ss" (texinfo-parse-arg-discard))
349 (goto-char texinfo-command-start))
351 ;; @questiondown{} ==> ? upside-down-question-mark
352 (put 'questiondown 'texinfo-format 'texinfo-format-upside-down-question-mark)
353 (defun-maybe texinfo-format-upside-down-question-mark ()
354 (insert "?" (texinfo-parse-arg-discard))
355 (goto-char texinfo-command-start))
357 ;; @exclamdown{} ==> ! upside-down-exclamation-mark
358 (put 'exclamdown 'texinfo-format 'texinfo-format-upside-down-exclamation-mark)
359 (defun-maybe texinfo-format-upside-down-exclamation-mark ()
360 (insert "!" (texinfo-parse-arg-discard))
361 (goto-char texinfo-command-start))
363 ;; @L{} ==> L/ Polish suppressed-L (Lslash)
364 (put 'L 'texinfo-format 'texinfo-format-Polish-suppressed-L)
365 (defun-maybe texinfo-format-Polish-suppressed-L ()
366 (insert (texinfo-parse-arg-discard) "/L")
367 (goto-char texinfo-command-start))
369 ;; @l{} ==> l/ Polish suppressed-L (Lslash) (lower case)
370 (put 'l 'texinfo-format 'texinfo-format-Polish-suppressed-l-lower-case)
371 (defun-maybe texinfo-format-Polish-suppressed-l-lower-case ()
372 (insert (texinfo-parse-arg-discard) "/l")
373 (goto-char texinfo-command-start))
375 ;; @O{} ==> O/ Scandinavian O-with-slash
376 (put 'O 'texinfo-format 'texinfo-format-Scandinavian-O-with-slash)
377 (defun-maybe texinfo-format-Scandinavian-O-with-slash ()
378 (insert (texinfo-parse-arg-discard) "O/")
379 (goto-char texinfo-command-start))
381 ;; @o{} ==> o/ Scandinavian O-with-slash (lower case)
382 (put 'o 'texinfo-format 'texinfo-format-Scandinavian-o-with-slash-lower-case)
383 (defun-maybe texinfo-format-Scandinavian-o-with-slash-lower-case ()
384 (insert (texinfo-parse-arg-discard) "o/")
385 (goto-char texinfo-command-start))
387 ;; @,{c} ==> c, cedilla accent
388 (put ', 'texinfo-format 'texinfo-format-cedilla-accent)
389 (defun-maybe texinfo-format-cedilla-accent ()
390 (insert (texinfo-parse-arg-discard) ",")
391 (goto-char texinfo-command-start))
394 ;; @dotaccent{o} ==> .o overdot-accent
395 (put 'dotaccent 'texinfo-format 'texinfo-format-overdot-accent)
396 (defun-maybe texinfo-format-overdot-accent ()
397 (insert "." (texinfo-parse-arg-discard))
398 (goto-char texinfo-command-start))
400 ;; @ubaraccent{o} ==> _o underbar-accent
401 (put 'ubaraccent 'texinfo-format 'texinfo-format-underbar-accent)
402 (defun-maybe texinfo-format-underbar-accent ()
403 (insert "_" (texinfo-parse-arg-discard))
404 (goto-char texinfo-command-start))
406 ;; @udotaccent{o} ==> o-. underdot-accent
407 (put 'udotaccent 'texinfo-format 'texinfo-format-underdot-accent)
408 (defun-maybe texinfo-format-underdot-accent ()
409 (insert (texinfo-parse-arg-discard) "-.")
410 (goto-char texinfo-command-start))
412 ;; @H{o} ==> ""o long Hungarian umlaut
413 (put 'H 'texinfo-format 'texinfo-format-long-Hungarian-umlaut)
414 (defun-maybe texinfo-format-long-Hungarian-umlaut ()
415 (insert "\"\"" (texinfo-parse-arg-discard))
416 (goto-char texinfo-command-start))
418 ;; @ringaccent{o} ==> *o ring accent
419 (put 'ringaccent 'texinfo-format 'texinfo-format-ring-accent)
420 (defun-maybe texinfo-format-ring-accent ()
421 (insert "*" (texinfo-parse-arg-discard))
422 (goto-char texinfo-command-start))
424 ;; @tieaccent{oo} ==> [oo tie after accent
425 (put 'tieaccent 'texinfo-format 'texinfo-format-tie-after-accent)
426 (defun-maybe texinfo-format-tie-after-accent ()
427 (insert "[" (texinfo-parse-arg-discard))
428 (goto-char texinfo-command-start))
430 ;; @u{o} ==> (o breve accent
431 (put 'u 'texinfo-format 'texinfo-format-breve-accent)
432 (defun-maybe texinfo-format-breve-accent ()
433 (insert "(" (texinfo-parse-arg-discard))
434 (goto-char texinfo-command-start))
436 ;; @v{o} ==> <o hacek accent
437 (put 'v 'texinfo-format 'texinfo-format-hacek-accent)
438 (defun-maybe texinfo-format-hacek-accent ()
439 (insert "<" (texinfo-parse-arg-discard))
440 (goto-char texinfo-command-start))
442 ;; @dotless{i} ==> i dotless i and dotless j
443 (put 'dotless 'texinfo-format 'texinfo-format-dotless)
444 (defun-maybe texinfo-format-dotless ()
445 (insert (texinfo-parse-arg-discard))
446 (goto-char texinfo-command-start))
449 (put '\. 'texinfo-format 'texinfo-format-\.)
450 (defun-maybe texinfo-format-\. ()
451 (texinfo-discard-command)
455 (put '\: 'texinfo-format 'texinfo-format-\:)
456 (defun-maybe texinfo-format-\: ()
457 (texinfo-discard-command))
460 (put '\- 'texinfo-format 'texinfo-format-soft-hyphen)
461 (defun-maybe texinfo-format-soft-hyphen ()
462 (texinfo-discard-command))
467 (put 'ref 'texinfo-format 'texinfo-format-xref)
469 (when-broken texinfo-format-xref
470 (fmakunbound 'texinfo-format-xref))
471 (defun-maybe texinfo-format-xref ()
472 (let ((args (texinfo-format-parse-args)))
473 (texinfo-discard-command)
475 (let ((fname (or (nth 1 args) (nth 2 args))))
476 (if (null (or fname (nth 3 args)))
477 (insert (nth 0 args) "::")
478 (insert (or fname (nth 0 args)) ": ")
480 (insert "(" (nth 3 args) ")"))
481 (unless (null (nth 0 args))
482 (insert (nth 0 args)))))))
485 (put 'uref 'texinfo-format 'texinfo-format-uref)
486 (when-broken texinfo-format-uref
487 (fmakunbound 'texinfo-format-uref))
488 (defun-maybe texinfo-format-uref ()
489 "Format URL and optional URL-TITLE.
490 Insert ` ... ' around URL if no URL-TITLE argument;
491 otherwise, insert URL-TITLE followed by URL in parentheses."
492 (let ((args (texinfo-format-parse-args)))
493 (texinfo-discard-command)
496 (insert (nth 1 args) " (" (nth 0 args) ")")
497 (insert "`" (nth 0 args) "'"))))
500 (put 'inforef 'texinfo-format 'texinfo-format-inforef)
501 (defun-maybe texinfo-format-inforef ()
502 (let ((args (texinfo-format-parse-args)))
503 (texinfo-discard-command)
505 (insert "*Note " (nth 1 args) ": (" (nth 2 args) ")" (car args))
506 (insert "*Note " "(" (nth 2 args) ")" (car args) "::"))))
511 ;; If support @anchor for Mule 2.3, We must fix informat.el and info.el:
512 ;; - Info-tagify suport @anthor-*-refill.
513 ;; - info.el support Ref in Tag table.
514 (unless (get 'anchor 'texinfo-format)
515 (put 'anchor 'texinfo-format 'texinfo-discard-command-and-arg))
519 ;;; New command definition
520 ;; @alias NEW=EXISTING
521 (put 'alias 'texinfo-format 'texinfo-alias)
522 (defun-maybe texinfo-alias ()
523 (let ((start (1- (point)))
525 (skip-chars-forward " ")
526 (save-excursion (end-of-line) (setq texinfo-command-end (point)))
527 (if (not (looking-at "\\([^=]+\\)=\\(.*\\)"))
528 (error "Invalid alias command")
529 (setq texinfo-alias-list
532 (buffer-substring (match-beginning 1) (match-end 1))
533 (buffer-substring (match-beginning 2) (match-end 2)))
535 (texinfo-discard-command))))
537 ;; @definfoenclose NEWCMD, BEFORE, AFTER
542 ;; @image{FILENAME, [WIDTH], [HEIGHT]}
543 (put 'image 'texinfo-format 'texinfo-format-image)
544 (defun-maybe texinfo-format-image ()
545 ;; I don't know makeinfo parse FILENAME.
546 (let ((args (texinfo-format-parse-args))
548 (when (null (nth 0 args))
549 (error "Invalid image command"))
550 (texinfo-discard-command)
551 ;; makeinfo uses FILENAME.txt
552 (setq filename (format "%s.txt" (nth 0 args)))
553 (message "Reading included file: %s" filename)
554 ;; verbatim for Info output
555 (goto-char (+ (point) (cadr (insert-file-contents filename))))
556 (message "Reading included file: %s...done" filename)))
563 ;;; @multitable ... @end multitable
564 (defvar-maybe texinfo-extra-inter-column-width 0
565 "*Number of extra spaces between entries (columns) in @multitable.")
567 (defvar-maybe texinfo-multitable-buffer-name "*multitable-temporary-buffer*")
568 (defvar-maybe texinfo-multitable-rectangle-name "texinfo-multitable-temp-")
570 ;; These commands are defined in texinfo.tex for printed output.
571 (put 'multitableparskip 'texinfo-format 'texinfo-discard-line-with-args)
572 (put 'multitableparindent 'texinfo-format 'texinfo-discard-line-with-args)
573 (put 'multitablecolmargin 'texinfo-format 'texinfo-discard-line-with-args)
574 (put 'multitablelinespace 'texinfo-format 'texinfo-discard-line-with-args)
576 (put 'multitable 'texinfo-format 'texinfo-multitable)
578 (defun-maybe texinfo-multitable ()
579 "Produce multi-column tables."
581 ;; This function pushes information onto the `texinfo-stack'.
582 ;; A stack element consists of:
583 ;; - type-of-command, i.e., multitable
584 ;; - the information about column widths, and
585 ;; - the position of texinfo-command-start.
586 ;; e.g., ('multitable (1 2 3 4) 123)
587 ;; The command line is then deleted.
590 ;; push width information on stack
591 (texinfo-multitable-widths))
592 (texinfo-discard-line-with-args))
594 (put 'multitable 'texinfo-end 'texinfo-end-multitable)
595 (defun-maybe texinfo-end-multitable ()
596 "Discard the @end multitable line and pop the stack of multitable."
597 (texinfo-discard-command)
598 (texinfo-pop-stack 'multitable))
600 (when-broken texinfo-multitable-widths
601 (fmakunbound 'texinfo-multitable-widths))
603 (defun-maybe texinfo-multitable-widths ()
604 "Return list of widths of each column in a multi-column table."
605 (let (texinfo-multitable-width-list)
607 ;; @multitable @columnfractions .25 .3 .45
610 ;; @multitable {Column 1 template} {Column 2} {Column 3 example}
611 ;; Place point before first argument
612 (skip-chars-forward " \t")
614 ;; Check for common misspelling
615 ((looking-at "@columnfraction ")
616 (error "In @multitable, @columnfractions misspelled"))
617 ;; Case 1: @columnfractions .25 .3 .45
618 ((looking-at "@columnfractions")
621 (setq texinfo-multitable-width-list
625 (* fill-column (read (get-buffer (current-buffer))))))
626 texinfo-multitable-width-list))))
628 ;; Case 2: {Column 1 template} {Column 2} {Column 3 example}
630 (let ((start-of-templates (point)))
632 (skip-chars-forward " \t")
633 (let* ((start-of-template (1+ (point)))
635 ;; forward-sexp works with braces in Texinfo mode
636 (progn (forward-sexp 1) (1- (point)))))
637 (setq texinfo-multitable-width-list
638 (cons (- (progn (goto-char end-of-template) (current-column))
639 (progn (goto-char start-of-template) (current-column)))
640 texinfo-multitable-width-list))
641 ;; Remove carriage return from within a template, if any.
642 ;; This helps those those who want to use more than
643 ;; one line's worth of words in @multitable line.
644 (narrow-to-region start-of-template end-of-template)
645 (goto-char (point-min))
646 (while (search-forward "
649 (goto-char (point-max))
656 "You probably need to specify column widths for @multitable correctly")))
657 ;; Check whether columns fit on page.
658 (let ((desired-columns
660 ;; between column spaces
661 (length texinfo-multitable-width-list)
662 ;; additional between column spaces, if any
663 texinfo-extra-inter-column-width
664 ;; sum of spaces for each entry
665 (apply '+ texinfo-multitable-width-list))))
666 (if (> desired-columns fill-column)
669 "Multi-column table width, %d chars, is greater than page width, %d chars."
670 desired-columns fill-column))))
671 texinfo-multitable-width-list))
673 ;; @item A1 @tab A2 @tab A3
674 (defun-maybe texinfo-multitable-extract-row ()
675 "Return multitable row, as a string.
676 End of row is beginning of next @item or beginning of @end.
677 Cells within rows are separated by @tab."
678 (skip-chars-forward " \t")
679 (let* ((start (point))
681 (re-search-forward "@item\\|@end")
682 (match-beginning 0)))
683 (row (progn (goto-char end)
684 (skip-chars-backward " ")
685 ;; remove whitespace at end of argument
686 (delete-region (point) end)
687 (buffer-substring start (point)))))
688 (delete-region texinfo-command-start end)
691 (when-broken texinfo-multitable-item
692 (fmakunbound 'texinfo-multitable-item))
694 (put 'multitable 'texinfo-item 'texinfo-multitable-item)
695 (defun-maybe texinfo-multitable-item ()
696 "Format a row within a multicolumn table.
697 Cells in row are separated by @tab.
698 Widths of cells are specified by the arguments in the @multitable line.
699 All cells are made to be the same height.
700 This command is executed when texinfmt sees @item inside @multitable."
701 (let ((original-buffer (current-buffer))
702 (table-widths (reverse (car (cdr (car texinfo-stack)))))
703 (existing-fill-column fill-column)
707 (table-entry-height 0)
708 ;; unformatted row looks like: A1 @tab A2 @tab A3
709 ;; extract-row command deletes the source line in the table.
710 (unformated-row (texinfo-multitable-extract-row)))
711 ;; Use a temporary buffer
712 (set-buffer (get-buffer-create texinfo-multitable-buffer-name))
713 (delete-region (point-min) (point-max))
714 (insert unformated-row)
715 (goto-char (point-min))
716 ;; 1. Check for correct number of @tab in line.
717 (let ((tab-number 1)) ; one @tab between two columns
718 (while (search-forward "@tab" nil t)
719 (setq tab-number (1+ tab-number)))
720 (if (/= tab-number (length table-widths))
721 (error "Wrong number of @tab's in a @multitable row")))
722 (goto-char (point-min))
723 ;; 2. Format each cell, and copy to a rectangle
724 ;; buffer looks like this: A1 @tab A2 @tab A3
725 ;; Cell #1: format up to @tab
726 ;; Cell #2: format up to @tab
727 ;; Cell #3: format up to eob
730 (setq end (save-excursion
731 (if (search-forward "@tab" nil 'move)
732 ;; Delete the @tab command, including the @-sign
735 (progn (forward-word -1) (1- (point)))))
737 ;; Set fill-column *wider* than needed to produce inter-column space
738 (setq fill-column (+ 1
739 texinfo-extra-inter-column-width
740 (nth table-column table-widths)))
741 (narrow-to-region start end)
742 ;; Remove whitespace before and after entry.
743 (skip-chars-forward " ")
744 (delete-region (point) (save-excursion (beginning-of-line) (point)))
745 (goto-char (point-max))
746 (skip-chars-backward " ")
747 (delete-region (point) (save-excursion (end-of-line) (point)))
748 ;; Temorarily set texinfo-stack to nil so texinfo-format-scan
749 ;; does not see an unterminated @multitable.
750 (let (texinfo-stack) ; nil
751 (texinfo-format-scan))
752 (let (fill-prefix) ; no fill prefix
753 (fill-region (point-min) (point-max)))
754 (setq table-entry-height
755 (max table-entry-height (count-lines (point-min) (point-max))))
756 ;; 3. Move point to end of bottom line, and pad that line to fill column.
757 (goto-char (point-min))
758 (forward-line (1- table-entry-height))
759 (let* ((beg (point)) ; beginning of line
760 ;; add one more space for inter-column spacing
764 (progn (end-of-line) (current-column)))))) ; end of existing line
766 (if (> needed-whitespace 0) needed-whitespace 1)
768 ;; now, put formatted cell into a rectangle
769 (set (intern (concat texinfo-multitable-rectangle-name
770 (int-to-string table-column)))
771 (extract-rectangle (point-min) (point)))
772 (delete-region (point-min) (point))
773 (goto-char (point-max))
774 (setq table-column (1+ table-column))
776 ;; 4. Add extra lines to rectangles so all are of same height
777 (let ((total-number-of-columns table-column)
780 (while (> table-column 0)
781 (let ((this-rectangle (int-to-string table-column)))
782 (while (< (length this-rectangle) table-entry-height)
783 (setq this-rectangle (append this-rectangle '("")))))
784 (setq table-column (1- table-column)))
785 ;; 5. Insert formatted rectangles in original buffer
786 (switch-to-buffer original-buffer)
787 (open-line table-entry-height)
788 (while (< column-number total-number-of-columns)
792 (concat texinfo-multitable-rectangle-name
793 (int-to-string column-number)))))
796 (setq column-number (1+ column-number))))
797 (kill-buffer texinfo-multitable-buffer-name)
798 (setq fill-column existing-fill-column)))
801 (when-broken texinfo-format-printindex
802 (fmakunbound 'texinfo-format-printindex))
804 (defun-maybe texinfo-format-printindex ()
805 (let ((indexelts (symbol-value
806 (cdr (assoc (texinfo-parse-arg-discard)
807 texinfo-indexvar-alist))))
809 (insert "\n* Menu:\n\n")
810 (setq opoint (point))
811 (texinfo-print-index nil indexelts)
813 (if (memq system-type '(vax-vms windows-nt ms-dos))
814 (texinfo-sort-region opoint (point))
815 (shell-command-on-region opoint (point) "sort -fd" 1))))
819 ;;; ptexinfmt.el ends here