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 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.
44 (defvar ptexinfmt-disable-broken-notice t
45 "If non-nil disable notice, when call `broken-facility'.")
48 (broken-facility texinfo-format-printindex
49 "Can't sort on Mule for Windows."
50 (if (and (memq system-type '(windows-nt ms-dos))
51 ;;; I don't know version threshold.
52 ;;; (string< texinfmt-version "2.37 of 24 May 1997")
53 (boundp 'MULE) (not (featurep 'meadow)))
56 ptexinfmt-disable-broken-notice)
59 (broken-facility texinfo-format-var
60 "Don't perse @var argument."
63 (let (texinfo-enclosure-list texinfo-alias-list)
65 (insert "@var{@asis{foo}}\n")
66 (texinfo-format-expand-region (point-min) (point-max))
69 ptexinfmt-disable-broken-notice)
72 (broken-facility texinfo-format-xref
73 "Can't format @xref, 1st argument is empty."
76 (let (texinfo-enclosure-list texinfo-alias-list)
78 (insert "@xref{, xref, , file}\n")
79 (texinfo-format-expand-region (point-min) (point-max))
82 ptexinfmt-disable-broken-notice)
85 (broken-facility texinfo-format-uref
86 "Parse twice @uref argument."
89 (let (texinfo-enclosure-list texinfo-alias-list)
91 (insert "@uref{mailto:foo@@bar.com}\n")
92 (texinfo-format-expand-region (point-min) (point-max))
95 ptexinfmt-disable-broken-notice)
98 (broken-facility texinfo-multitable-widths
99 "texinfo-multitable-widths unsupport wide-char."
100 (if (fboundp 'texinfo-multitable-widths)
102 (let ((str "
\e$BI}9-J8;z
\e(B"))
104 (insert (format " {%s}\n" str))
105 (goto-char (point-min))
106 (if (= (car (texinfo-multitable-widths)) (length str))
109 ;; function definition is void
111 ptexinfmt-disable-broken-notice)
113 (broken-facility texinfo-multitable-item
114 "texinfo-multitable-item unsupport wide-char."
115 (if-broken texinfo-multitable-widths nil t)
116 ptexinfmt-disable-broken-notice)
120 ;; Removed Texinfo 3.8
121 (put 'overfullrule 'texinfo-format 'texinfo-discard-line)
122 (put 'smallbreak 'texinfo-format 'texinfo-discard-line)
123 (put 'medbreak 'texinfo-format 'texinfo-discard-line)
124 (put 'bigbreak 'texinfo-format 'texinfo-discard-line)
125 ;; Removed Texinfo 3.9
126 (put 'setchapterstyle 'texinfo-format 'texinfo-discard-line-with-args)
128 ;;; Hardcopy and HTML (discard)
130 (put 'documentlanguage 'texinfo-format 'texinfo-discard-line-with-args)
131 (put 'documentencoding 'texinfo-format 'texinfo-discard-line-with-args)
134 (put 'smallbook '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 'pagesizes 'texinfo-format 'texinfo-discard-line-with-args)
141 (put 'setchapternewpage 'texinfo-format 'texinfo-discard-line-with-args)
142 (put 'kbdinputstyle 'texinfo-format 'texinfo-discard-line-with-args)
145 (put 'setcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
146 (put 'setshortcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
147 (put 'novalidate 'texinfo-format 'texinfo-discard-line-with-args)
150 (put 'headings 'texinfo-format 'texinfo-discard-line-with-args)
151 (put 'evenfooting 'texinfo-format 'texinfo-discard-line-with-args)
152 (put 'evenheading 'texinfo-format 'texinfo-discard-line-with-args)
153 (put 'oddfooting 'texinfo-format 'texinfo-discard-line-with-args)
154 (put 'oddheading 'texinfo-format 'texinfo-discard-line-with-args)
155 (put 'everyfooting 'texinfo-format 'texinfo-discard-line-with-args)
156 (put 'everyheading 'texinfo-format 'texinfo-discard-line-with-args)
159 (put 'page 'texinfo-format 'texinfo-discard-line)
160 (put 'hyphenation 'texinfo-format 'texinfo-discard-command-and-arg)
166 (put 'dircategory 'texinfo-format 'texinfo-format-dircategory)
167 (defun-maybe texinfo-format-dircategory ()
168 (let ((str (texinfo-parse-arg-discard)))
169 (delete-region (point)
171 (skip-chars-forward " ")
173 (insert "INFO-DIR-SECTION " str "\n")))
176 (put 'direntry 'texinfo-format 'texinfo-format-direntry)
177 (defun-maybe texinfo-format-direntry ()
178 (texinfo-push-stack 'direntry nil)
179 (texinfo-discard-line)
180 (insert "START-INFO-DIR-ENTRY\n\n"))
182 (put 'direntry 'texinfo-end 'texinfo-end-direntry)
183 (defun-maybe texinfo-end-direntry ()
184 (texinfo-discard-command)
185 (insert "END-INFO-DIR-ENTRY\n\n")
186 (texinfo-pop-stack 'direntry))
189 ;;; Block Enclosing and Conditional
190 ;; @detailmenu ... @end detailmenu
191 (put 'detailmenu 'texinfo-format 'texinfo-discard-line)
192 (put 'detailmenu 'texinfo-end 'texinfo-discard-command)
194 ;; @smalldisplay ... @end smalldisplay
195 (put 'smalldisplay 'texinfo-format 'texinfo-format-example)
196 (put 'smalldisplay 'texinfo-end 'texinfo-end-example)
198 ;; @smallformat ... @end smallformat
199 (put 'smallformat 'texinfo-format 'texinfo-format-flushleft)
200 (put 'smallformat 'texinfo-end 'texinfo-end-flushleft)
202 ;; @ifnottex ... @end ifnottex
203 (put 'ifnottex 'texinfo-format 'texinfo-discard-line)
204 (put 'ifnottex 'texinfo-end 'texinfo-discard-command)
206 ;; @ifnothtml ... @end ifnothtml
207 (put 'ifnothtml 'texinfo-format 'texinfo-discard-line)
208 (put 'ifnothtml 'texinfo-end 'texinfo-discard-command)
210 ;; @ifnotinfo ... @end ifnotinfo
211 (put 'ifnotinfo 'texinfo-format 'texinfo-format-ifnotinfo)
212 (put 'endifnotinfo 'texinfo-format 'texinfo-discard-line)
213 (defun-maybe texinfo-format-ifnotinfo ()
214 (delete-region texinfo-command-start
215 (progn (re-search-forward "@end ifnotinfo[ \t]*\n")
218 ;; @html ... @end html
219 (put 'html 'texinfo-format 'texinfo-format-html)
220 (put 'endhtml 'texinfo-format 'texinfo-discard-line)
221 (defun-maybe texinfo-format-html ()
222 (delete-region texinfo-command-start
223 (progn (re-search-forward "@end html[ \t]*\n")
229 ;; @url, @env, @command
230 (put 'url 'texinfo-format 'texinfo-format-code)
231 (put 'env 'texinfo-format 'texinfo-format-code)
232 (put 'command 'texinfo-format 'texinfo-format-code)
235 (put 'acronym 'texinfo-format 'texinfo-format-var)
237 (when-broken texinfo-format-var
238 (fmakunbound 'texinfo-format-var))
239 (defun-maybe texinfo-format-var ()
240 (let ((arg (texinfo-parse-expanded-arg)))
241 (texinfo-discard-command)
242 (insert (upcase arg))))
245 (put 'key 'texinfo-format 'texinfo-format-key)
246 (defun-maybe texinfo-format-key ()
247 (insert (texinfo-parse-arg-discard))
248 (goto-char texinfo-command-start))
250 ;; @email{EMAIL-ADDRESS[, DISPLAYED-TEXT]}
251 (put 'email 'texinfo-format 'texinfo-format-email)
252 (defun-maybe texinfo-format-email ()
253 "Format EMAIL-ADDRESS and optional DISPLAYED-TXT.
254 Insert < ... > around EMAIL-ADDRESS."
255 (let ((args (texinfo-format-parse-args)))
256 (texinfo-discard-command)
259 (insert (nth 1 args) " <" (nth 0 args) ">")
260 (insert "<" (nth 0 args) ">"))))
263 (put 'option 'texinfo-format 'texinfo-format-option)
264 (defun texinfo-format-option ()
265 "Insert ` ... ' around arg unless inside a table; in that case, no quotes."
266 ;; `looking-at-backward' not available in v. 18.57, 20.2
267 ;; searched-for character is a control-H
268 (if (not (search-backward "\010"
269 (save-excursion (beginning-of-line) (point))
271 (insert "`" (texinfo-parse-arg-discard) "'")
272 (insert (texinfo-parse-arg-discard)))
273 (goto-char texinfo-command-start))
277 ;;; Accents and Special characters
278 ;; @pounds{} ==> # Pounds Sterling
279 (put 'pounds 'texinfo-format 'texinfo-format-pounds)
280 (defun-maybe texinfo-format-pounds ()
281 (texinfo-parse-arg-discard)
284 ;; @OE{} ==> OE French-OE-ligature
285 (put 'OE 'texinfo-format 'texinfo-format-French-OE-ligature)
286 (defun-maybe texinfo-format-French-OE-ligature ()
287 (insert "OE" (texinfo-parse-arg-discard))
288 (goto-char texinfo-command-start))
291 (put 'oe 'texinfo-format 'texinfo-format-French-oe-ligature)
292 (defun-maybe texinfo-format-French-oe-ligature () ; lower case
293 (insert "oe" (texinfo-parse-arg-discard))
294 (goto-char texinfo-command-start))
296 ;; @AA{} ==> AA Scandinavian-A-with-circle
297 (put 'AA 'texinfo-format 'texinfo-format-Scandinavian-A-with-circle)
298 (defun-maybe texinfo-format-Scandinavian-A-with-circle ()
299 (insert "AA" (texinfo-parse-arg-discard))
300 (goto-char texinfo-command-start))
303 (put 'aa 'texinfo-format 'texinfo-format-Scandinavian-a-with-circle)
304 (defun-maybe texinfo-format-Scandinavian-a-with-circle () ; lower case
305 (insert "aa" (texinfo-parse-arg-discard))
306 (goto-char texinfo-command-start))
308 ;; @AE{} ==> AE Latin-Scandinavian-AE
309 (put 'AE 'texinfo-format 'texinfo-format-Latin-Scandinavian-AE)
310 (defun-maybe texinfo-format-Latin-Scandinavian-AE ()
311 (insert "AE" (texinfo-parse-arg-discard))
312 (goto-char texinfo-command-start))
315 (put 'ae 'texinfo-format 'texinfo-format-Latin-Scandinavian-ae)
316 (defun-maybe texinfo-format-Latin-Scandinavian-ae () ; lower case
317 (insert "ae" (texinfo-parse-arg-discard))
318 (goto-char texinfo-command-start))
320 ;; @ss{} ==> ss German-sharp-S
321 (put 'ss 'texinfo-format 'texinfo-format-German-sharp-S)
322 (defun-maybe texinfo-format-German-sharp-S ()
323 (insert "ss" (texinfo-parse-arg-discard))
324 (goto-char texinfo-command-start))
326 ;; @questiondown{} ==> ? upside-down-question-mark
327 (put 'questiondown 'texinfo-format 'texinfo-format-upside-down-question-mark)
328 (defun-maybe texinfo-format-upside-down-question-mark ()
329 (insert "?" (texinfo-parse-arg-discard))
330 (goto-char texinfo-command-start))
332 ;; @exclamdown{} ==> ! upside-down-exclamation-mark
333 (put 'exclamdown 'texinfo-format 'texinfo-format-upside-down-exclamation-mark)
334 (defun-maybe texinfo-format-upside-down-exclamation-mark ()
335 (insert "!" (texinfo-parse-arg-discard))
336 (goto-char texinfo-command-start))
338 ;; @L{} ==> L/ Polish suppressed-L (Lslash)
339 (put 'L 'texinfo-format 'texinfo-format-Polish-suppressed-L)
340 (defun-maybe texinfo-format-Polish-suppressed-L ()
341 (insert (texinfo-parse-arg-discard) "/L")
342 (goto-char texinfo-command-start))
344 ;; @l{} ==> l/ Polish suppressed-L (Lslash) (lower case)
345 (put 'l 'texinfo-format 'texinfo-format-Polish-suppressed-l-lower-case)
346 (defun-maybe texinfo-format-Polish-suppressed-l-lower-case ()
347 (insert (texinfo-parse-arg-discard) "/l")
348 (goto-char texinfo-command-start))
350 ;; @O{} ==> O/ Scandinavian O-with-slash
351 (put 'O 'texinfo-format 'texinfo-format-Scandinavian-O-with-slash)
352 (defun-maybe texinfo-format-Scandinavian-O-with-slash ()
353 (insert (texinfo-parse-arg-discard) "O/")
354 (goto-char texinfo-command-start))
356 ;; @o{} ==> o/ Scandinavian O-with-slash (lower case)
357 (put 'o 'texinfo-format 'texinfo-format-Scandinavian-o-with-slash-lower-case)
358 (defun-maybe texinfo-format-Scandinavian-o-with-slash-lower-case ()
359 (insert (texinfo-parse-arg-discard) "o/")
360 (goto-char texinfo-command-start))
362 ;; @,{c} ==> c, cedilla accent
363 (put ', 'texinfo-format 'texinfo-format-cedilla-accent)
364 (defun-maybe texinfo-format-cedilla-accent ()
365 (insert (texinfo-parse-arg-discard) ",")
366 (goto-char texinfo-command-start))
369 ;; @dotaccent{o} ==> .o overdot-accent
370 (put 'dotaccent 'texinfo-format 'texinfo-format-overdot-accent)
371 (defun-maybe texinfo-format-overdot-accent ()
372 (insert "." (texinfo-parse-arg-discard))
373 (goto-char texinfo-command-start))
375 ;; @ubaraccent{o} ==> _o underbar-accent
376 (put 'ubaraccent 'texinfo-format 'texinfo-format-underbar-accent)
377 (defun-maybe texinfo-format-underbar-accent ()
378 (insert "_" (texinfo-parse-arg-discard))
379 (goto-char texinfo-command-start))
381 ;; @udotaccent{o} ==> o-. underdot-accent
382 (put 'udotaccent 'texinfo-format 'texinfo-format-underdot-accent)
383 (defun-maybe texinfo-format-underdot-accent ()
384 (insert (texinfo-parse-arg-discard) "-.")
385 (goto-char texinfo-command-start))
387 ;; @H{o} ==> ""o long Hungarian umlaut
388 (put 'H 'texinfo-format 'texinfo-format-long-Hungarian-umlaut)
389 (defun-maybe texinfo-format-long-Hungarian-umlaut ()
390 (insert "\"\"" (texinfo-parse-arg-discard))
391 (goto-char texinfo-command-start))
393 ;; @ringaccent{o} ==> *o ring accent
394 (put 'ringaccent 'texinfo-format 'texinfo-format-ring-accent)
395 (defun-maybe texinfo-format-ring-accent ()
396 (insert "*" (texinfo-parse-arg-discard))
397 (goto-char texinfo-command-start))
399 ;; @tieaccent{oo} ==> [oo tie after accent
400 (put 'tieaccent 'texinfo-format 'texinfo-format-tie-after-accent)
401 (defun-maybe texinfo-format-tie-after-accent ()
402 (insert "[" (texinfo-parse-arg-discard))
403 (goto-char texinfo-command-start))
405 ;; @u{o} ==> (o breve accent
406 (put 'u 'texinfo-format 'texinfo-format-breve-accent)
407 (defun-maybe texinfo-format-breve-accent ()
408 (insert "(" (texinfo-parse-arg-discard))
409 (goto-char texinfo-command-start))
411 ;; @v{o} ==> <o hacek accent
412 (put 'v 'texinfo-format 'texinfo-format-hacek-accent)
413 (defun-maybe texinfo-format-hacek-accent ()
414 (insert "<" (texinfo-parse-arg-discard))
415 (goto-char texinfo-command-start))
417 ;; @dotless{i} ==> i dotless i and dotless j
418 (put 'dotless 'texinfo-format 'texinfo-format-dotless)
419 (defun-maybe texinfo-format-dotless ()
420 (insert (texinfo-parse-arg-discard))
421 (goto-char texinfo-command-start))
427 (put 'ref 'texinfo-format 'texinfo-format-xref)
429 (when-broken texinfo-format-xref
430 (fmakunbound 'texinfo-format-xref))
431 (defun-maybe texinfo-format-xref ()
432 (let ((args (texinfo-format-parse-args)))
433 (texinfo-discard-command)
435 (let ((fname (or (nth 1 args) (nth 2 args))))
436 (if (null (or fname (nth 3 args)))
437 (insert (nth 0 args) "::")
438 (insert (or fname (nth 0 args)) ": ")
440 (insert "(" (nth 3 args) ")"))
441 (unless (null (nth 0 args))
442 (insert (nth 0 args)))))))
445 (put 'uref 'texinfo-format 'texinfo-format-uref)
446 (when-broken texinfo-format-uref
447 (fmakunbound 'texinfo-format-uref))
448 (defun-maybe texinfo-format-uref ()
449 "Format URL and optional URL-TITLE.
450 Insert ` ... ' around URL if no URL-TITLE argument;
451 otherwise, insert URL-TITLE followed by URL in parentheses."
452 (let ((args (texinfo-format-parse-args)))
453 (texinfo-discard-command)
456 (insert (nth 1 args) " (" (nth 0 args) ")")
457 (insert "`" (nth 0 args) "'"))))
461 ;;; New command definition
462 ;; @alias NEW=EXISTING
463 (put 'alias 'texinfo-format 'texinfo-alias)
464 (defun-maybe texinfo-alias ()
465 (let ((start (1- (point)))
467 (skip-chars-forward " ")
468 (save-excursion (end-of-line) (setq texinfo-command-end (point)))
469 (if (not (looking-at "\\([^=]+\\)=\\(.*\\)"))
470 (error "Invalid alias command")
471 (setq texinfo-alias-list
474 (buffer-substring (match-beginning 1) (match-end 1))
475 (buffer-substring (match-beginning 2) (match-end 2)))
477 (texinfo-discard-command))))
479 ;; @definfoenclose NEWCMD, BEFORE, AFTER
484 ;; @image{FILENAME, [WIDTH], [HEIGHT]}
485 (put 'image 'texinfo-format 'texinfo-format-image)
486 (defun-maybe texinfo-format-image ()
487 (let ((args (texinfo-format-parse-args)) ; parse FILENAME?
489 (when (null (nth 0 args))
490 (error "Invalid image command"))
491 (texinfo-discard-command)
492 ;; makeinfo uses FILENAME.txt
493 (setq filename (format "%s.txt" (nth 0 args)))
494 (message "Reading included file: %s" filename)
495 ;; verbatim for Info output
496 (goto-char (+ (point) (cadr (insert-file-contents filename))))
497 (message "Reading included file: %s...done" filename)))
504 ;;; @multitable ... @end multitable
505 (defvar-maybe texinfo-extra-inter-column-width 0
506 "*Number of extra spaces between entries (columns) in @multitable.")
508 (defvar-maybe texinfo-multitable-buffer-name "*multitable-temporary-buffer*")
509 (defvar-maybe texinfo-multitable-rectangle-name "texinfo-multitable-temp-")
511 ;; These commands are defined in texinfo.tex for printed output.
512 (put 'multitableparskip 'texinfo-format 'texinfo-discard-line-with-args)
513 (put 'multitableparindent 'texinfo-format 'texinfo-discard-line-with-args)
514 (put 'multitablecolmargin 'texinfo-format 'texinfo-discard-line-with-args)
515 (put 'multitablelinespace 'texinfo-format 'texinfo-discard-line-with-args)
517 (put 'multitable 'texinfo-format 'texinfo-multitable)
519 (defun-maybe texinfo-multitable ()
520 "Produce multi-column tables."
522 ;; This function pushes information onto the `texinfo-stack'.
523 ;; A stack element consists of:
524 ;; - type-of-command, i.e., multitable
525 ;; - the information about column widths, and
526 ;; - the position of texinfo-command-start.
527 ;; e.g., ('multitable (1 2 3 4) 123)
528 ;; The command line is then deleted.
531 ;; push width information on stack
532 (texinfo-multitable-widths))
533 (texinfo-discard-line-with-args))
535 (put 'multitable 'texinfo-end 'texinfo-end-multitable)
536 (defun-maybe texinfo-end-multitable ()
537 "Discard the @end multitable line and pop the stack of multitable."
538 (texinfo-discard-command)
539 (texinfo-pop-stack 'multitable))
541 (when-broken texinfo-multitable-widths
542 (fmakunbound 'texinfo-multitable-widths))
544 (defun-maybe texinfo-multitable-widths ()
545 "Return list of widths of each column in a multi-column table."
546 (let (texinfo-multitable-width-list)
548 ;; @multitable @columnfractions .25 .3 .45
551 ;; @multitable {Column 1 template} {Column 2} {Column 3 example}
552 ;; Place point before first argument
553 (skip-chars-forward " \t")
555 ;; Check for common misspelling
556 ((looking-at "@columnfraction ")
557 (error "In @multitable, @columnfractions misspelled"))
558 ;; Case 1: @columnfractions .25 .3 .45
559 ((looking-at "@columnfractions")
562 (setq texinfo-multitable-width-list
566 (* fill-column (read (get-buffer (current-buffer))))))
567 texinfo-multitable-width-list))))
569 ;; Case 2: {Column 1 template} {Column 2} {Column 3 example}
571 (let ((start-of-templates (point)))
573 (skip-chars-forward " \t")
574 (let* ((start-of-template (1+ (point)))
576 ;; forward-sexp works with braces in Texinfo mode
577 (progn (forward-sexp 1) (1- (point)))))
578 (setq texinfo-multitable-width-list
579 (cons (- (progn (goto-char end-of-template) (current-column))
580 (progn (goto-char start-of-template) (current-column)))
581 texinfo-multitable-width-list))
582 ;; Remove carriage return from within a template, if any.
583 ;; This helps those those who want to use more than
584 ;; one line's worth of words in @multitable line.
585 (narrow-to-region start-of-template end-of-template)
586 (goto-char (point-min))
587 (while (search-forward "
590 (goto-char (point-max))
597 "You probably need to specify column widths for @multitable correctly")))
598 ;; Check whether columns fit on page.
599 (let ((desired-columns
601 ;; between column spaces
602 (length texinfo-multitable-width-list)
603 ;; additional between column spaces, if any
604 texinfo-extra-inter-column-width
605 ;; sum of spaces for each entry
606 (apply '+ texinfo-multitable-width-list))))
607 (if (> desired-columns fill-column)
610 "Multi-column table width, %d chars, is greater than page width, %d chars."
611 desired-columns fill-column))))
612 texinfo-multitable-width-list))
614 ;; @item A1 @tab A2 @tab A3
615 (defun-maybe texinfo-multitable-extract-row ()
616 "Return multitable row, as a string.
617 End of row is beginning of next @item or beginning of @end.
618 Cells within rows are separated by @tab."
619 (skip-chars-forward " \t")
620 (let* ((start (point))
622 (re-search-forward "@item\\|@end")
623 (match-beginning 0)))
624 (row (progn (goto-char end)
625 (skip-chars-backward " ")
626 ;; remove whitespace at end of argument
627 (delete-region (point) end)
628 (buffer-substring start (point)))))
629 (delete-region texinfo-command-start end)
632 (when-broken texinfo-multitable-item
633 (fmakunbound 'texinfo-multitable-item))
635 (put 'multitable 'texinfo-item 'texinfo-multitable-item)
636 (defun-maybe texinfo-multitable-item ()
637 "Format a row within a multicolumn table.
638 Cells in row are separated by @tab.
639 Widths of cells are specified by the arguments in the @multitable line.
640 All cells are made to be the same height.
641 This command is executed when texinfmt sees @item inside @multitable."
642 (let ((original-buffer (current-buffer))
643 (table-widths (reverse (car (cdr (car texinfo-stack)))))
644 (existing-fill-column fill-column)
648 (table-entry-height 0)
649 ;; unformatted row looks like: A1 @tab A2 @tab A3
650 ;; extract-row command deletes the source line in the table.
651 (unformated-row (texinfo-multitable-extract-row)))
652 ;; Use a temporary buffer
653 (set-buffer (get-buffer-create texinfo-multitable-buffer-name))
654 (delete-region (point-min) (point-max))
655 (insert unformated-row)
656 (goto-char (point-min))
657 ;; 1. Check for correct number of @tab in line.
658 (let ((tab-number 1)) ; one @tab between two columns
659 (while (search-forward "@tab" nil t)
660 (setq tab-number (1+ tab-number)))
661 (if (/= tab-number (length table-widths))
662 (error "Wrong number of @tab's in a @multitable row")))
663 (goto-char (point-min))
664 ;; 2. Format each cell, and copy to a rectangle
665 ;; buffer looks like this: A1 @tab A2 @tab A3
666 ;; Cell #1: format up to @tab
667 ;; Cell #2: format up to @tab
668 ;; Cell #3: format up to eob
671 (setq end (save-excursion
672 (if (search-forward "@tab" nil 'move)
673 ;; Delete the @tab command, including the @-sign
676 (progn (forward-word -1) (1- (point)))))
678 ;; Set fill-column *wider* than needed to produce inter-column space
679 (setq fill-column (+ 1
680 texinfo-extra-inter-column-width
681 (nth table-column table-widths)))
682 (narrow-to-region start end)
683 ;; Remove whitespace before and after entry.
684 (skip-chars-forward " ")
685 (delete-region (point) (save-excursion (beginning-of-line) (point)))
686 (goto-char (point-max))
687 (skip-chars-backward " ")
688 (delete-region (point) (save-excursion (end-of-line) (point)))
689 ;; Temorarily set texinfo-stack to nil so texinfo-format-scan
690 ;; does not see an unterminated @multitable.
691 (let (texinfo-stack) ; nil
692 (texinfo-format-scan))
693 (let (fill-prefix) ; no fill prefix
694 (fill-region (point-min) (point-max)))
695 (setq table-entry-height
696 (max table-entry-height (count-lines (point-min) (point-max))))
697 ;; 3. Move point to end of bottom line, and pad that line to fill column.
698 (goto-char (point-min))
699 (forward-line (1- table-entry-height))
700 (let* ((beg (point)) ; beginning of line
701 ;; add one more space for inter-column spacing
705 (progn (end-of-line) (current-column)))))) ; end of existing line
707 (if (> needed-whitespace 0) needed-whitespace 1)
709 ;; now, put formatted cell into a rectangle
710 (set (intern (concat texinfo-multitable-rectangle-name
711 (int-to-string table-column)))
712 (extract-rectangle (point-min) (point)))
713 (delete-region (point-min) (point))
714 (goto-char (point-max))
715 (setq table-column (1+ table-column))
717 ;; 4. Add extra lines to rectangles so all are of same height
718 (let ((total-number-of-columns table-column)
721 (while (> table-column 0)
722 (let ((this-rectangle (int-to-string table-column)))
723 (while (< (length this-rectangle) table-entry-height)
724 (setq this-rectangle (append this-rectangle '("")))))
725 (setq table-column (1- table-column)))
726 ;; 5. Insert formatted rectangles in original buffer
727 (switch-to-buffer original-buffer)
728 (open-line table-entry-height)
729 (while (< column-number total-number-of-columns)
733 (concat texinfo-multitable-rectangle-name
734 (int-to-string column-number)))))
737 (setq column-number (1+ column-number))))
738 (kill-buffer texinfo-multitable-buffer-name)
739 (setq fill-column existing-fill-column)))
742 (when-broken texinfo-format-printindex
743 (fmakunbound 'texinfo-format-printindex))
745 (defun-maybe texinfo-format-printindex ()
746 (let ((indexelts (symbol-value
747 (cdr (assoc (texinfo-parse-arg-discard)
748 texinfo-indexvar-alist))))
750 (insert "\n* Menu:\n\n")
751 (setq opoint (point))
752 (texinfo-print-index nil indexelts)
754 (if (memq system-type '(vax-vms windows-nt ms-dos))
755 (texinfo-sort-region opoint (point))
756 (shell-command-on-region opoint (point) "sort -fd" 1))))
758 ;;; ptexinfmt.el ends here