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)
133 (put 'smallbook 'texinfo-format 'texinfo-discard-line)
134 (put 'letterpaper 'texinfo-format 'texinfo-discard-line)
135 (put 'afourpaper 'texinfo-format 'texinfo-discard-line)
136 (put 'afourlatex 'texinfo-format 'texinfo-discard-line)
137 (put 'afourwide 'texinfo-format 'texinfo-discard-line)
138 (put 'afivepaper 'texinfo-format 'texinfo-discard-line)
139 (put 'pagesizes 'texinfo-format 'texinfo-discard-line-with-args)
142 (put 'setchapternewpage 'texinfo-format 'texinfo-discard-line-with-args)
143 (put 'kbdinputstyle 'texinfo-format 'texinfo-discard-line-with-args)
146 (put 'setcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
147 (put 'setshortcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
148 (put 'novalidate 'texinfo-format 'texinfo-discard-line-with-args)
151 (put 'headings 'texinfo-format 'texinfo-discard-line-with-args)
152 (put 'evenfooting 'texinfo-format 'texinfo-discard-line-with-args)
153 (put 'evenheading 'texinfo-format 'texinfo-discard-line-with-args)
154 (put 'oddfooting 'texinfo-format 'texinfo-discard-line-with-args)
155 (put 'oddheading 'texinfo-format 'texinfo-discard-line-with-args)
156 (put 'everyfooting 'texinfo-format 'texinfo-discard-line-with-args)
157 (put 'everyheading 'texinfo-format 'texinfo-discard-line-with-args)
160 (put 'page 'texinfo-format 'texinfo-discard-line)
161 (put 'hyphenation 'texinfo-format 'texinfo-discard-command-and-arg)
167 (put 'dircategory 'texinfo-format 'texinfo-format-dircategory)
168 (defun-maybe texinfo-format-dircategory ()
169 (let ((str (texinfo-parse-arg-discard)))
170 (delete-region (point)
172 (skip-chars-forward " ")
174 (insert "INFO-DIR-SECTION " str "\n")))
177 (put 'direntry 'texinfo-format 'texinfo-format-direntry)
178 (defun-maybe texinfo-format-direntry ()
179 (texinfo-push-stack 'direntry nil)
180 (texinfo-discard-line)
181 (insert "START-INFO-DIR-ENTRY\n"))
183 (put 'direntry 'texinfo-end 'texinfo-end-direntry)
184 (defun-maybe texinfo-end-direntry ()
185 (texinfo-discard-command)
186 (insert "END-INFO-DIR-ENTRY\n\n")
187 (texinfo-pop-stack 'direntry))
190 ;;; Block Enclosing and Conditional
191 ;; @detailmenu ... @end detailmenu
192 (put 'detailmenu 'texinfo-format 'texinfo-discard-line)
193 (put 'detailmenu 'texinfo-end 'texinfo-discard-command)
195 ;; @smalldisplay ... @end smalldisplay
196 (put 'smalldisplay 'texinfo-format 'texinfo-format-example)
197 (put 'smalldisplay 'texinfo-end 'texinfo-end-example)
199 ;; @smallformat ... @end smallformat
200 (put 'smallformat 'texinfo-format 'texinfo-format-flushleft)
201 (put 'smallformat 'texinfo-end 'texinfo-end-flushleft)
203 ;; @ifnottex ... @end ifnottex
204 (put 'ifnottex 'texinfo-format 'texinfo-discard-line)
205 (put 'ifnottex 'texinfo-end 'texinfo-discard-command)
207 ;; @ifnothtml ... @end ifnothtml
208 (put 'ifnothtml 'texinfo-format 'texinfo-discard-line)
209 (put 'ifnothtml 'texinfo-end 'texinfo-discard-command)
211 ;; @ifnotinfo ... @end ifnotinfo
212 (put 'ifnotinfo 'texinfo-format 'texinfo-format-ifnotinfo)
213 (put 'endifnotinfo 'texinfo-format 'texinfo-discard-line)
214 (defun-maybe texinfo-format-ifnotinfo ()
215 (delete-region texinfo-command-start
216 (progn (re-search-forward "@end ifnotinfo[ \t]*\n")
219 ;; @html ... @end html
220 (put 'html 'texinfo-format 'texinfo-format-html)
221 (put 'endhtml 'texinfo-format 'texinfo-discard-line)
222 (defun-maybe texinfo-format-html ()
223 (delete-region texinfo-command-start
224 (progn (re-search-forward "@end html[ \t]*\n")
227 ;; @cartouche ... @end cartouche
228 (put 'cartouche 'texinfo-format 'texinfo-discard-line)
229 (put 'cartouche 'texinfo-end 'texinfo-discard-command)
234 ;; @url, @env, @command
235 (put 'url 'texinfo-format 'texinfo-format-code)
236 (put 'env 'texinfo-format 'texinfo-format-code)
237 (put 'command 'texinfo-format 'texinfo-format-code)
240 (put 'acronym 'texinfo-format 'texinfo-format-var)
242 (when-broken texinfo-format-var
243 (fmakunbound 'texinfo-format-var))
244 (defun-maybe texinfo-format-var ()
245 (let ((arg (texinfo-parse-expanded-arg)))
246 (texinfo-discard-command)
247 (insert (upcase arg))))
250 (put 'key 'texinfo-format 'texinfo-format-key)
251 (defun-maybe texinfo-format-key ()
252 (insert (texinfo-parse-arg-discard))
253 (goto-char texinfo-command-start))
255 ;; @email{EMAIL-ADDRESS[, DISPLAYED-TEXT]}
256 (put 'email 'texinfo-format 'texinfo-format-email)
257 (defun-maybe texinfo-format-email ()
258 "Format EMAIL-ADDRESS and optional DISPLAYED-TXT.
259 Insert < ... > around EMAIL-ADDRESS."
260 (let ((args (texinfo-format-parse-args)))
261 (texinfo-discard-command)
264 (insert (nth 1 args) " <" (nth 0 args) ">")
265 (insert "<" (nth 0 args) ">"))))
268 (put 'option 'texinfo-format 'texinfo-format-option)
269 (defun texinfo-format-option ()
270 "Insert ` ... ' around arg unless inside a table; in that case, no quotes."
271 ;; `looking-at-backward' not available in v. 18.57, 20.2
272 ;; searched-for character is a control-H
273 (if (not (search-backward "\010"
274 (save-excursion (beginning-of-line) (point))
276 (insert "`" (texinfo-parse-arg-discard) "'")
277 (insert (texinfo-parse-arg-discard)))
278 (goto-char texinfo-command-start))
282 ;;; Accents and Special characters
283 ;; @pounds{} ==> # Pounds Sterling
284 (put 'pounds 'texinfo-format 'texinfo-format-pounds)
285 (defun-maybe texinfo-format-pounds ()
286 (texinfo-parse-arg-discard)
289 ;; @OE{} ==> OE French-OE-ligature
290 (put 'OE 'texinfo-format 'texinfo-format-French-OE-ligature)
291 (defun-maybe texinfo-format-French-OE-ligature ()
292 (insert "OE" (texinfo-parse-arg-discard))
293 (goto-char texinfo-command-start))
296 (put 'oe 'texinfo-format 'texinfo-format-French-oe-ligature)
297 (defun-maybe texinfo-format-French-oe-ligature () ; lower case
298 (insert "oe" (texinfo-parse-arg-discard))
299 (goto-char texinfo-command-start))
301 ;; @AA{} ==> AA Scandinavian-A-with-circle
302 (put 'AA 'texinfo-format 'texinfo-format-Scandinavian-A-with-circle)
303 (defun-maybe texinfo-format-Scandinavian-A-with-circle ()
304 (insert "AA" (texinfo-parse-arg-discard))
305 (goto-char texinfo-command-start))
308 (put 'aa 'texinfo-format 'texinfo-format-Scandinavian-a-with-circle)
309 (defun-maybe texinfo-format-Scandinavian-a-with-circle () ; lower case
310 (insert "aa" (texinfo-parse-arg-discard))
311 (goto-char texinfo-command-start))
313 ;; @AE{} ==> AE Latin-Scandinavian-AE
314 (put 'AE 'texinfo-format 'texinfo-format-Latin-Scandinavian-AE)
315 (defun-maybe texinfo-format-Latin-Scandinavian-AE ()
316 (insert "AE" (texinfo-parse-arg-discard))
317 (goto-char texinfo-command-start))
320 (put 'ae 'texinfo-format 'texinfo-format-Latin-Scandinavian-ae)
321 (defun-maybe texinfo-format-Latin-Scandinavian-ae () ; lower case
322 (insert "ae" (texinfo-parse-arg-discard))
323 (goto-char texinfo-command-start))
325 ;; @ss{} ==> ss German-sharp-S
326 (put 'ss 'texinfo-format 'texinfo-format-German-sharp-S)
327 (defun-maybe texinfo-format-German-sharp-S ()
328 (insert "ss" (texinfo-parse-arg-discard))
329 (goto-char texinfo-command-start))
331 ;; @questiondown{} ==> ? upside-down-question-mark
332 (put 'questiondown 'texinfo-format 'texinfo-format-upside-down-question-mark)
333 (defun-maybe texinfo-format-upside-down-question-mark ()
334 (insert "?" (texinfo-parse-arg-discard))
335 (goto-char texinfo-command-start))
337 ;; @exclamdown{} ==> ! upside-down-exclamation-mark
338 (put 'exclamdown 'texinfo-format 'texinfo-format-upside-down-exclamation-mark)
339 (defun-maybe texinfo-format-upside-down-exclamation-mark ()
340 (insert "!" (texinfo-parse-arg-discard))
341 (goto-char texinfo-command-start))
343 ;; @L{} ==> L/ Polish suppressed-L (Lslash)
344 (put 'L 'texinfo-format 'texinfo-format-Polish-suppressed-L)
345 (defun-maybe texinfo-format-Polish-suppressed-L ()
346 (insert (texinfo-parse-arg-discard) "/L")
347 (goto-char texinfo-command-start))
349 ;; @l{} ==> l/ Polish suppressed-L (Lslash) (lower case)
350 (put 'l 'texinfo-format 'texinfo-format-Polish-suppressed-l-lower-case)
351 (defun-maybe texinfo-format-Polish-suppressed-l-lower-case ()
352 (insert (texinfo-parse-arg-discard) "/l")
353 (goto-char texinfo-command-start))
355 ;; @O{} ==> O/ Scandinavian O-with-slash
356 (put 'O 'texinfo-format 'texinfo-format-Scandinavian-O-with-slash)
357 (defun-maybe texinfo-format-Scandinavian-O-with-slash ()
358 (insert (texinfo-parse-arg-discard) "O/")
359 (goto-char texinfo-command-start))
361 ;; @o{} ==> o/ Scandinavian O-with-slash (lower case)
362 (put 'o 'texinfo-format 'texinfo-format-Scandinavian-o-with-slash-lower-case)
363 (defun-maybe texinfo-format-Scandinavian-o-with-slash-lower-case ()
364 (insert (texinfo-parse-arg-discard) "o/")
365 (goto-char texinfo-command-start))
367 ;; @,{c} ==> c, cedilla accent
368 (put ', 'texinfo-format 'texinfo-format-cedilla-accent)
369 (defun-maybe texinfo-format-cedilla-accent ()
370 (insert (texinfo-parse-arg-discard) ",")
371 (goto-char texinfo-command-start))
374 ;; @dotaccent{o} ==> .o overdot-accent
375 (put 'dotaccent 'texinfo-format 'texinfo-format-overdot-accent)
376 (defun-maybe texinfo-format-overdot-accent ()
377 (insert "." (texinfo-parse-arg-discard))
378 (goto-char texinfo-command-start))
380 ;; @ubaraccent{o} ==> _o underbar-accent
381 (put 'ubaraccent 'texinfo-format 'texinfo-format-underbar-accent)
382 (defun-maybe texinfo-format-underbar-accent ()
383 (insert "_" (texinfo-parse-arg-discard))
384 (goto-char texinfo-command-start))
386 ;; @udotaccent{o} ==> o-. underdot-accent
387 (put 'udotaccent 'texinfo-format 'texinfo-format-underdot-accent)
388 (defun-maybe texinfo-format-underdot-accent ()
389 (insert (texinfo-parse-arg-discard) "-.")
390 (goto-char texinfo-command-start))
392 ;; @H{o} ==> ""o long Hungarian umlaut
393 (put 'H 'texinfo-format 'texinfo-format-long-Hungarian-umlaut)
394 (defun-maybe texinfo-format-long-Hungarian-umlaut ()
395 (insert "\"\"" (texinfo-parse-arg-discard))
396 (goto-char texinfo-command-start))
398 ;; @ringaccent{o} ==> *o ring accent
399 (put 'ringaccent 'texinfo-format 'texinfo-format-ring-accent)
400 (defun-maybe texinfo-format-ring-accent ()
401 (insert "*" (texinfo-parse-arg-discard))
402 (goto-char texinfo-command-start))
404 ;; @tieaccent{oo} ==> [oo tie after accent
405 (put 'tieaccent 'texinfo-format 'texinfo-format-tie-after-accent)
406 (defun-maybe texinfo-format-tie-after-accent ()
407 (insert "[" (texinfo-parse-arg-discard))
408 (goto-char texinfo-command-start))
410 ;; @u{o} ==> (o breve accent
411 (put 'u 'texinfo-format 'texinfo-format-breve-accent)
412 (defun-maybe texinfo-format-breve-accent ()
413 (insert "(" (texinfo-parse-arg-discard))
414 (goto-char texinfo-command-start))
416 ;; @v{o} ==> <o hacek accent
417 (put 'v 'texinfo-format 'texinfo-format-hacek-accent)
418 (defun-maybe texinfo-format-hacek-accent ()
419 (insert "<" (texinfo-parse-arg-discard))
420 (goto-char texinfo-command-start))
422 ;; @dotless{i} ==> i dotless i and dotless j
423 (put 'dotless 'texinfo-format 'texinfo-format-dotless)
424 (defun-maybe texinfo-format-dotless ()
425 (insert (texinfo-parse-arg-discard))
426 (goto-char texinfo-command-start))
429 (put '\. 'texinfo-format 'texinfo-format-\.)
430 (defun-maybe texinfo-format-\. ()
431 (texinfo-discard-command)
435 (put '\: 'texinfo-format 'texinfo-format-\:)
436 (defun-maybe texinfo-format-\: ()
437 (texinfo-discard-command))
440 (put '\- 'texinfo-format 'texinfo-format-soft-hyphen)
441 (defun-maybe texinfo-format-soft-hyphen ()
442 (texinfo-discard-command))
447 (put 'ref 'texinfo-format 'texinfo-format-xref)
449 (when-broken texinfo-format-xref
450 (fmakunbound 'texinfo-format-xref))
451 (defun-maybe texinfo-format-xref ()
452 (let ((args (texinfo-format-parse-args)))
453 (texinfo-discard-command)
455 (let ((fname (or (nth 1 args) (nth 2 args))))
456 (if (null (or fname (nth 3 args)))
457 (insert (nth 0 args) "::")
458 (insert (or fname (nth 0 args)) ": ")
460 (insert "(" (nth 3 args) ")"))
461 (unless (null (nth 0 args))
462 (insert (nth 0 args)))))))
465 (put 'uref 'texinfo-format 'texinfo-format-uref)
466 (when-broken texinfo-format-uref
467 (fmakunbound 'texinfo-format-uref))
468 (defun-maybe texinfo-format-uref ()
469 "Format URL and optional URL-TITLE.
470 Insert ` ... ' around URL if no URL-TITLE argument;
471 otherwise, insert URL-TITLE followed by URL in parentheses."
472 (let ((args (texinfo-format-parse-args)))
473 (texinfo-discard-command)
476 (insert (nth 1 args) " (" (nth 0 args) ")")
477 (insert "`" (nth 0 args) "'"))))
480 (put 'inforef 'texinfo-format 'texinfo-format-inforef)
481 (defun-maybe texinfo-format-inforef ()
482 (let ((args (texinfo-format-parse-args)))
483 (texinfo-discard-command)
485 (insert "*Note " (nth 1 args) ": (" (nth 2 args) ")" (car args))
486 (insert "*Note " "(" (nth 2 args) ")" (car args) "::"))))
491 ;; If support @anchor for Mule 2.3, We must fix informat.el and info.el:
492 ;; - Info-tagify suport @anthor-*-refill.
493 ;; - info.el support Ref in Tag table.
494 (unless (get 'anchor 'texinfo-format)
495 (put 'anchor 'texinfo-format 'texinfo-discard-command-and-arg))
499 ;;; New command definition
500 ;; @alias NEW=EXISTING
501 (put 'alias 'texinfo-format 'texinfo-alias)
502 (defun-maybe texinfo-alias ()
503 (let ((start (1- (point)))
505 (skip-chars-forward " ")
506 (save-excursion (end-of-line) (setq texinfo-command-end (point)))
507 (if (not (looking-at "\\([^=]+\\)=\\(.*\\)"))
508 (error "Invalid alias command")
509 (setq texinfo-alias-list
512 (buffer-substring (match-beginning 1) (match-end 1))
513 (buffer-substring (match-beginning 2) (match-end 2)))
515 (texinfo-discard-command))))
517 ;; @definfoenclose NEWCMD, BEFORE, AFTER
522 ;; @image{FILENAME, [WIDTH], [HEIGHT]}
523 (put 'image 'texinfo-format 'texinfo-format-image)
524 (defun-maybe texinfo-format-image ()
525 ;; I don't know makeinfo parse FILENAME.
526 (let ((args (texinfo-format-parse-args))
528 (when (null (nth 0 args))
529 (error "Invalid image command"))
530 (texinfo-discard-command)
531 ;; makeinfo uses FILENAME.txt
532 (setq filename (format "%s.txt" (nth 0 args)))
533 (message "Reading included file: %s" filename)
534 ;; verbatim for Info output
535 (goto-char (+ (point) (cadr (insert-file-contents filename))))
536 (message "Reading included file: %s...done" filename)))
543 ;;; @multitable ... @end multitable
544 (defvar-maybe texinfo-extra-inter-column-width 0
545 "*Number of extra spaces between entries (columns) in @multitable.")
547 (defvar-maybe texinfo-multitable-buffer-name "*multitable-temporary-buffer*")
548 (defvar-maybe texinfo-multitable-rectangle-name "texinfo-multitable-temp-")
550 ;; These commands are defined in texinfo.tex for printed output.
551 (put 'multitableparskip 'texinfo-format 'texinfo-discard-line-with-args)
552 (put 'multitableparindent 'texinfo-format 'texinfo-discard-line-with-args)
553 (put 'multitablecolmargin 'texinfo-format 'texinfo-discard-line-with-args)
554 (put 'multitablelinespace 'texinfo-format 'texinfo-discard-line-with-args)
556 (put 'multitable 'texinfo-format 'texinfo-multitable)
558 (defun-maybe texinfo-multitable ()
559 "Produce multi-column tables."
561 ;; This function pushes information onto the `texinfo-stack'.
562 ;; A stack element consists of:
563 ;; - type-of-command, i.e., multitable
564 ;; - the information about column widths, and
565 ;; - the position of texinfo-command-start.
566 ;; e.g., ('multitable (1 2 3 4) 123)
567 ;; The command line is then deleted.
570 ;; push width information on stack
571 (texinfo-multitable-widths))
572 (texinfo-discard-line-with-args))
574 (put 'multitable 'texinfo-end 'texinfo-end-multitable)
575 (defun-maybe texinfo-end-multitable ()
576 "Discard the @end multitable line and pop the stack of multitable."
577 (texinfo-discard-command)
578 (texinfo-pop-stack 'multitable))
580 (when-broken texinfo-multitable-widths
581 (fmakunbound 'texinfo-multitable-widths))
583 (defun-maybe texinfo-multitable-widths ()
584 "Return list of widths of each column in a multi-column table."
585 (let (texinfo-multitable-width-list)
587 ;; @multitable @columnfractions .25 .3 .45
590 ;; @multitable {Column 1 template} {Column 2} {Column 3 example}
591 ;; Place point before first argument
592 (skip-chars-forward " \t")
594 ;; Check for common misspelling
595 ((looking-at "@columnfraction ")
596 (error "In @multitable, @columnfractions misspelled"))
597 ;; Case 1: @columnfractions .25 .3 .45
598 ((looking-at "@columnfractions")
601 (setq texinfo-multitable-width-list
605 (* fill-column (read (get-buffer (current-buffer))))))
606 texinfo-multitable-width-list))))
608 ;; Case 2: {Column 1 template} {Column 2} {Column 3 example}
610 (let ((start-of-templates (point)))
612 (skip-chars-forward " \t")
613 (let* ((start-of-template (1+ (point)))
615 ;; forward-sexp works with braces in Texinfo mode
616 (progn (forward-sexp 1) (1- (point)))))
617 (setq texinfo-multitable-width-list
618 (cons (- (progn (goto-char end-of-template) (current-column))
619 (progn (goto-char start-of-template) (current-column)))
620 texinfo-multitable-width-list))
621 ;; Remove carriage return from within a template, if any.
622 ;; This helps those those who want to use more than
623 ;; one line's worth of words in @multitable line.
624 (narrow-to-region start-of-template end-of-template)
625 (goto-char (point-min))
626 (while (search-forward "
629 (goto-char (point-max))
636 "You probably need to specify column widths for @multitable correctly")))
637 ;; Check whether columns fit on page.
638 (let ((desired-columns
640 ;; between column spaces
641 (length texinfo-multitable-width-list)
642 ;; additional between column spaces, if any
643 texinfo-extra-inter-column-width
644 ;; sum of spaces for each entry
645 (apply '+ texinfo-multitable-width-list))))
646 (if (> desired-columns fill-column)
649 "Multi-column table width, %d chars, is greater than page width, %d chars."
650 desired-columns fill-column))))
651 texinfo-multitable-width-list))
653 ;; @item A1 @tab A2 @tab A3
654 (defun-maybe texinfo-multitable-extract-row ()
655 "Return multitable row, as a string.
656 End of row is beginning of next @item or beginning of @end.
657 Cells within rows are separated by @tab."
658 (skip-chars-forward " \t")
659 (let* ((start (point))
661 (re-search-forward "@item\\|@end")
662 (match-beginning 0)))
663 (row (progn (goto-char end)
664 (skip-chars-backward " ")
665 ;; remove whitespace at end of argument
666 (delete-region (point) end)
667 (buffer-substring start (point)))))
668 (delete-region texinfo-command-start end)
671 (when-broken texinfo-multitable-item
672 (fmakunbound 'texinfo-multitable-item))
674 (put 'multitable 'texinfo-item 'texinfo-multitable-item)
675 (defun-maybe texinfo-multitable-item ()
676 "Format a row within a multicolumn table.
677 Cells in row are separated by @tab.
678 Widths of cells are specified by the arguments in the @multitable line.
679 All cells are made to be the same height.
680 This command is executed when texinfmt sees @item inside @multitable."
681 (let ((original-buffer (current-buffer))
682 (table-widths (reverse (car (cdr (car texinfo-stack)))))
683 (existing-fill-column fill-column)
687 (table-entry-height 0)
688 ;; unformatted row looks like: A1 @tab A2 @tab A3
689 ;; extract-row command deletes the source line in the table.
690 (unformated-row (texinfo-multitable-extract-row)))
691 ;; Use a temporary buffer
692 (set-buffer (get-buffer-create texinfo-multitable-buffer-name))
693 (delete-region (point-min) (point-max))
694 (insert unformated-row)
695 (goto-char (point-min))
696 ;; 1. Check for correct number of @tab in line.
697 (let ((tab-number 1)) ; one @tab between two columns
698 (while (search-forward "@tab" nil t)
699 (setq tab-number (1+ tab-number)))
700 (if (/= tab-number (length table-widths))
701 (error "Wrong number of @tab's in a @multitable row")))
702 (goto-char (point-min))
703 ;; 2. Format each cell, and copy to a rectangle
704 ;; buffer looks like this: A1 @tab A2 @tab A3
705 ;; Cell #1: format up to @tab
706 ;; Cell #2: format up to @tab
707 ;; Cell #3: format up to eob
710 (setq end (save-excursion
711 (if (search-forward "@tab" nil 'move)
712 ;; Delete the @tab command, including the @-sign
715 (progn (forward-word -1) (1- (point)))))
717 ;; Set fill-column *wider* than needed to produce inter-column space
718 (setq fill-column (+ 1
719 texinfo-extra-inter-column-width
720 (nth table-column table-widths)))
721 (narrow-to-region start end)
722 ;; Remove whitespace before and after entry.
723 (skip-chars-forward " ")
724 (delete-region (point) (save-excursion (beginning-of-line) (point)))
725 (goto-char (point-max))
726 (skip-chars-backward " ")
727 (delete-region (point) (save-excursion (end-of-line) (point)))
728 ;; Temorarily set texinfo-stack to nil so texinfo-format-scan
729 ;; does not see an unterminated @multitable.
730 (let (texinfo-stack) ; nil
731 (texinfo-format-scan))
732 (let (fill-prefix) ; no fill prefix
733 (fill-region (point-min) (point-max)))
734 (setq table-entry-height
735 (max table-entry-height (count-lines (point-min) (point-max))))
736 ;; 3. Move point to end of bottom line, and pad that line to fill column.
737 (goto-char (point-min))
738 (forward-line (1- table-entry-height))
739 (let* ((beg (point)) ; beginning of line
740 ;; add one more space for inter-column spacing
744 (progn (end-of-line) (current-column)))))) ; end of existing line
746 (if (> needed-whitespace 0) needed-whitespace 1)
748 ;; now, put formatted cell into a rectangle
749 (set (intern (concat texinfo-multitable-rectangle-name
750 (int-to-string table-column)))
751 (extract-rectangle (point-min) (point)))
752 (delete-region (point-min) (point))
753 (goto-char (point-max))
754 (setq table-column (1+ table-column))
756 ;; 4. Add extra lines to rectangles so all are of same height
757 (let ((total-number-of-columns table-column)
760 (while (> table-column 0)
761 (let ((this-rectangle (int-to-string table-column)))
762 (while (< (length this-rectangle) table-entry-height)
763 (setq this-rectangle (append this-rectangle '("")))))
764 (setq table-column (1- table-column)))
765 ;; 5. Insert formatted rectangles in original buffer
766 (switch-to-buffer original-buffer)
767 (open-line table-entry-height)
768 (while (< column-number total-number-of-columns)
772 (concat texinfo-multitable-rectangle-name
773 (int-to-string column-number)))))
776 (setq column-number (1+ column-number))))
777 (kill-buffer texinfo-multitable-buffer-name)
778 (setq fill-column existing-fill-column)))
781 (when-broken texinfo-format-printindex
782 (fmakunbound 'texinfo-format-printindex))
784 (defun-maybe texinfo-format-printindex ()
785 (let ((indexelts (symbol-value
786 (cdr (assoc (texinfo-parse-arg-discard)
787 texinfo-indexvar-alist))))
789 (insert "\n* Menu:\n\n")
790 (setq opoint (point))
791 (texinfo-print-index nil indexelts)
793 (if (memq system-type '(vax-vms windows-nt ms-dos))
794 (texinfo-sort-region opoint (point))
795 (shell-command-on-region opoint (point) "sort -fd" 1))))
799 ;;; ptexinfmt.el ends here