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-flag t
45 "If non-nil disable notice, when call `broken-facility'.
46 This is NO-NOTICE argument in `broken-facility'.")
49 (broken-facility texinfo-format-printindex
50 "Can't sort on Mule for Windows."
51 (if (and (memq system-type '(windows-nt ms-dos))
52 ;;; I don't know version threshold.
53 ;;; (string< texinfmt-version "2.37 of 24 May 1997")
54 (boundp 'MULE) (not (featurep 'meadow))) ; Mule for Windows
57 ptexinfmt-disable-broken-notice-flag)
60 (broken-facility texinfo-format-var
61 "Don't perse @var argument."
64 (let (texinfo-enclosure-list texinfo-alias-list)
66 (insert "@var{@asis{foo}}\n")
67 (texinfo-format-expand-region (point-min) (point-max))
70 ptexinfmt-disable-broken-notice-flag)
73 (broken-facility texinfo-format-xref
74 "Can't format @xref, 1st argument is empty."
77 (let (texinfo-enclosure-list texinfo-alias-list)
79 (insert "@xref{, xref, , file}\n")
80 (texinfo-format-expand-region (point-min) (point-max))
83 ptexinfmt-disable-broken-notice-flag)
86 (broken-facility texinfo-format-uref
87 "Parse twice @uref argument."
90 (let (texinfo-enclosure-list texinfo-alias-list)
92 (insert "@uref{mailto:foo@@bar.com}\n")
93 (texinfo-format-expand-region (point-min) (point-max))
96 ptexinfmt-disable-broken-notice-flag)
99 (broken-facility texinfo-multitable-widths
100 "`texinfo-multitable-widths' unsupport wide-char."
101 (if (fboundp 'texinfo-multitable-widths)
103 (let ((str "
\e$BI}9-J8;z
\e(B"))
105 (insert (format " {%s}\n" str))
106 (goto-char (point-min))
107 (if (= (car (texinfo-multitable-widths)) (length str))
110 ;; function definition is void
112 ptexinfmt-disable-broken-notice-flag)
114 (broken-facility texinfo-multitable-item
115 "`texinfo-multitable-item' unsupport wide-char."
116 (if-broken texinfo-multitable-widths nil t)
117 ptexinfmt-disable-broken-notice-flag)
121 ;; Removed Texinfo 3.8
122 (put 'overfullrule 'texinfo-format 'texinfo-discard-line)
123 (put 'smallbreak 'texinfo-format 'texinfo-discard-line)
124 (put 'medbreak 'texinfo-format 'texinfo-discard-line)
125 (put 'bigbreak 'texinfo-format 'texinfo-discard-line)
126 ;; Removed Texinfo 3.9
127 (put 'setchapterstyle 'texinfo-format 'texinfo-discard-line-with-args)
129 ;;; Hardcopy and HTML (discard)
131 (put 'documentlanguage 'texinfo-format 'texinfo-discard-line-with-args)
132 (put 'documentencoding 'texinfo-format 'texinfo-discard-line-with-args)
135 (put 'smallbook 'texinfo-format 'texinfo-discard-line)
136 (put 'letterpaper 'texinfo-format 'texinfo-discard-line)
137 (put 'afourpaper 'texinfo-format 'texinfo-discard-line)
138 (put 'afourlatex 'texinfo-format 'texinfo-discard-line)
139 (put 'afourwide 'texinfo-format 'texinfo-discard-line)
140 (put 'afivepaper 'texinfo-format 'texinfo-discard-line)
141 (put 'pagesizes 'texinfo-format 'texinfo-discard-line-with-args)
144 (put 'setchapternewpage 'texinfo-format 'texinfo-discard-line-with-args)
145 (put 'kbdinputstyle 'texinfo-format 'texinfo-discard-line-with-args)
148 (put 'setcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
149 (put 'setshortcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
150 (put 'novalidate 'texinfo-format 'texinfo-discard-line-with-args)
153 (put 'headings 'texinfo-format 'texinfo-discard-line-with-args)
154 (put 'evenfooting 'texinfo-format 'texinfo-discard-line-with-args)
155 (put 'evenheading 'texinfo-format 'texinfo-discard-line-with-args)
156 (put 'oddfooting 'texinfo-format 'texinfo-discard-line-with-args)
157 (put 'oddheading 'texinfo-format 'texinfo-discard-line-with-args)
158 (put 'everyfooting 'texinfo-format 'texinfo-discard-line-with-args)
159 (put 'everyheading 'texinfo-format 'texinfo-discard-line-with-args)
162 (put 'page 'texinfo-format 'texinfo-discard-line)
163 (put 'hyphenation 'texinfo-format 'texinfo-discard-command-and-arg)
169 (put 'dircategory 'texinfo-format 'texinfo-format-dircategory)
170 (defun-maybe texinfo-format-dircategory ()
171 (let ((str (texinfo-parse-arg-discard)))
172 (delete-region (point)
174 (skip-chars-forward " ")
176 (insert "INFO-DIR-SECTION " str "\n")))
179 (put 'direntry 'texinfo-format 'texinfo-format-direntry)
180 (defun-maybe texinfo-format-direntry ()
181 (texinfo-push-stack 'direntry nil)
182 (texinfo-discard-line)
183 (insert "START-INFO-DIR-ENTRY\n"))
185 (put 'direntry 'texinfo-end 'texinfo-end-direntry)
186 (defun-maybe texinfo-end-direntry ()
187 (texinfo-discard-command)
188 (insert "END-INFO-DIR-ENTRY\n\n")
189 (texinfo-pop-stack 'direntry))
192 ;;; Block Enclosing and Conditional
193 ;; @detailmenu ... @end detailmenu
194 (put 'detailmenu 'texinfo-format 'texinfo-discard-line)
195 (put 'detailmenu 'texinfo-end 'texinfo-discard-command)
197 ;; @smalldisplay ... @end smalldisplay
198 (put 'smalldisplay 'texinfo-format 'texinfo-format-example)
199 (put 'smalldisplay 'texinfo-end 'texinfo-end-example)
201 ;; @smallformat ... @end smallformat
202 (put 'smallformat 'texinfo-format 'texinfo-format-flushleft)
203 (put 'smallformat 'texinfo-end 'texinfo-end-flushleft)
205 ;; @ifnottex ... @end ifnottex
206 (put 'ifnottex 'texinfo-format 'texinfo-discard-line)
207 (put 'ifnottex 'texinfo-end 'texinfo-discard-command)
209 ;; @ifnothtml ... @end ifnothtml
210 (put 'ifnothtml 'texinfo-format 'texinfo-discard-line)
211 (put 'ifnothtml 'texinfo-end 'texinfo-discard-command)
213 ;; @ifnotinfo ... @end ifnotinfo
214 (put 'ifnotinfo 'texinfo-format 'texinfo-format-ifnotinfo)
215 (put 'endifnotinfo 'texinfo-format 'texinfo-discard-line)
216 (defun-maybe texinfo-format-ifnotinfo ()
217 (delete-region texinfo-command-start
218 (progn (re-search-forward "@end ifnotinfo[ \t]*\n")
221 ;; @html ... @end html
222 (put 'html 'texinfo-format 'texinfo-format-html)
223 (put 'endhtml 'texinfo-format 'texinfo-discard-line)
224 (defun-maybe texinfo-format-html ()
225 (delete-region texinfo-command-start
226 (progn (re-search-forward "@end html[ \t]*\n")
232 ;; @url, @env, @command
233 (put 'url 'texinfo-format 'texinfo-format-code)
234 (put 'env 'texinfo-format 'texinfo-format-code)
235 (put 'command 'texinfo-format 'texinfo-format-code)
238 (put 'acronym 'texinfo-format 'texinfo-format-var)
240 (when-broken texinfo-format-var
241 (fmakunbound 'texinfo-format-var))
242 (defun-maybe texinfo-format-var ()
243 (let ((arg (texinfo-parse-expanded-arg)))
244 (texinfo-discard-command)
245 (insert (upcase arg))))
248 (put 'key 'texinfo-format 'texinfo-format-key)
249 (defun-maybe texinfo-format-key ()
250 (insert (texinfo-parse-arg-discard))
251 (goto-char texinfo-command-start))
253 ;; @email{EMAIL-ADDRESS[, DISPLAYED-TEXT]}
254 (put 'email 'texinfo-format 'texinfo-format-email)
255 (defun-maybe texinfo-format-email ()
256 "Format EMAIL-ADDRESS and optional DISPLAYED-TXT.
257 Insert < ... > around EMAIL-ADDRESS."
258 (let ((args (texinfo-format-parse-args)))
259 (texinfo-discard-command)
262 (insert (nth 1 args) " <" (nth 0 args) ">")
263 (insert "<" (nth 0 args) ">"))))
266 (put 'option 'texinfo-format 'texinfo-format-option)
267 (defun texinfo-format-option ()
268 "Insert ` ... ' around arg unless inside a table; in that case, no quotes."
269 ;; `looking-at-backward' not available in v. 18.57, 20.2
270 ;; searched-for character is a control-H
271 (if (not (search-backward "\010"
272 (save-excursion (beginning-of-line) (point))
274 (insert "`" (texinfo-parse-arg-discard) "'")
275 (insert (texinfo-parse-arg-discard)))
276 (goto-char texinfo-command-start))
280 ;;; Accents and Special characters
281 ;; @pounds{} ==> # Pounds Sterling
282 (put 'pounds 'texinfo-format 'texinfo-format-pounds)
283 (defun-maybe texinfo-format-pounds ()
284 (texinfo-parse-arg-discard)
287 ;; @OE{} ==> OE French-OE-ligature
288 (put 'OE 'texinfo-format 'texinfo-format-French-OE-ligature)
289 (defun-maybe texinfo-format-French-OE-ligature ()
290 (insert "OE" (texinfo-parse-arg-discard))
291 (goto-char texinfo-command-start))
294 (put 'oe 'texinfo-format 'texinfo-format-French-oe-ligature)
295 (defun-maybe texinfo-format-French-oe-ligature () ; lower case
296 (insert "oe" (texinfo-parse-arg-discard))
297 (goto-char texinfo-command-start))
299 ;; @AA{} ==> AA Scandinavian-A-with-circle
300 (put 'AA 'texinfo-format 'texinfo-format-Scandinavian-A-with-circle)
301 (defun-maybe texinfo-format-Scandinavian-A-with-circle ()
302 (insert "AA" (texinfo-parse-arg-discard))
303 (goto-char texinfo-command-start))
306 (put 'aa 'texinfo-format 'texinfo-format-Scandinavian-a-with-circle)
307 (defun-maybe texinfo-format-Scandinavian-a-with-circle () ; lower case
308 (insert "aa" (texinfo-parse-arg-discard))
309 (goto-char texinfo-command-start))
311 ;; @AE{} ==> AE Latin-Scandinavian-AE
312 (put 'AE 'texinfo-format 'texinfo-format-Latin-Scandinavian-AE)
313 (defun-maybe texinfo-format-Latin-Scandinavian-AE ()
314 (insert "AE" (texinfo-parse-arg-discard))
315 (goto-char texinfo-command-start))
318 (put 'ae 'texinfo-format 'texinfo-format-Latin-Scandinavian-ae)
319 (defun-maybe texinfo-format-Latin-Scandinavian-ae () ; lower case
320 (insert "ae" (texinfo-parse-arg-discard))
321 (goto-char texinfo-command-start))
323 ;; @ss{} ==> ss German-sharp-S
324 (put 'ss 'texinfo-format 'texinfo-format-German-sharp-S)
325 (defun-maybe texinfo-format-German-sharp-S ()
326 (insert "ss" (texinfo-parse-arg-discard))
327 (goto-char texinfo-command-start))
329 ;; @questiondown{} ==> ? upside-down-question-mark
330 (put 'questiondown 'texinfo-format 'texinfo-format-upside-down-question-mark)
331 (defun-maybe texinfo-format-upside-down-question-mark ()
332 (insert "?" (texinfo-parse-arg-discard))
333 (goto-char texinfo-command-start))
335 ;; @exclamdown{} ==> ! upside-down-exclamation-mark
336 (put 'exclamdown 'texinfo-format 'texinfo-format-upside-down-exclamation-mark)
337 (defun-maybe texinfo-format-upside-down-exclamation-mark ()
338 (insert "!" (texinfo-parse-arg-discard))
339 (goto-char texinfo-command-start))
341 ;; @L{} ==> L/ Polish suppressed-L (Lslash)
342 (put 'L 'texinfo-format 'texinfo-format-Polish-suppressed-L)
343 (defun-maybe texinfo-format-Polish-suppressed-L ()
344 (insert (texinfo-parse-arg-discard) "/L")
345 (goto-char texinfo-command-start))
347 ;; @l{} ==> l/ Polish suppressed-L (Lslash) (lower case)
348 (put 'l 'texinfo-format 'texinfo-format-Polish-suppressed-l-lower-case)
349 (defun-maybe texinfo-format-Polish-suppressed-l-lower-case ()
350 (insert (texinfo-parse-arg-discard) "/l")
351 (goto-char texinfo-command-start))
353 ;; @O{} ==> O/ Scandinavian O-with-slash
354 (put 'O 'texinfo-format 'texinfo-format-Scandinavian-O-with-slash)
355 (defun-maybe texinfo-format-Scandinavian-O-with-slash ()
356 (insert (texinfo-parse-arg-discard) "O/")
357 (goto-char texinfo-command-start))
359 ;; @o{} ==> o/ Scandinavian O-with-slash (lower case)
360 (put 'o 'texinfo-format 'texinfo-format-Scandinavian-o-with-slash-lower-case)
361 (defun-maybe texinfo-format-Scandinavian-o-with-slash-lower-case ()
362 (insert (texinfo-parse-arg-discard) "o/")
363 (goto-char texinfo-command-start))
365 ;; @,{c} ==> c, cedilla accent
366 (put ', 'texinfo-format 'texinfo-format-cedilla-accent)
367 (defun-maybe texinfo-format-cedilla-accent ()
368 (insert (texinfo-parse-arg-discard) ",")
369 (goto-char texinfo-command-start))
372 ;; @dotaccent{o} ==> .o overdot-accent
373 (put 'dotaccent 'texinfo-format 'texinfo-format-overdot-accent)
374 (defun-maybe texinfo-format-overdot-accent ()
375 (insert "." (texinfo-parse-arg-discard))
376 (goto-char texinfo-command-start))
378 ;; @ubaraccent{o} ==> _o underbar-accent
379 (put 'ubaraccent 'texinfo-format 'texinfo-format-underbar-accent)
380 (defun-maybe texinfo-format-underbar-accent ()
381 (insert "_" (texinfo-parse-arg-discard))
382 (goto-char texinfo-command-start))
384 ;; @udotaccent{o} ==> o-. underdot-accent
385 (put 'udotaccent 'texinfo-format 'texinfo-format-underdot-accent)
386 (defun-maybe texinfo-format-underdot-accent ()
387 (insert (texinfo-parse-arg-discard) "-.")
388 (goto-char texinfo-command-start))
390 ;; @H{o} ==> ""o long Hungarian umlaut
391 (put 'H 'texinfo-format 'texinfo-format-long-Hungarian-umlaut)
392 (defun-maybe texinfo-format-long-Hungarian-umlaut ()
393 (insert "\"\"" (texinfo-parse-arg-discard))
394 (goto-char texinfo-command-start))
396 ;; @ringaccent{o} ==> *o ring accent
397 (put 'ringaccent 'texinfo-format 'texinfo-format-ring-accent)
398 (defun-maybe texinfo-format-ring-accent ()
399 (insert "*" (texinfo-parse-arg-discard))
400 (goto-char texinfo-command-start))
402 ;; @tieaccent{oo} ==> [oo tie after accent
403 (put 'tieaccent 'texinfo-format 'texinfo-format-tie-after-accent)
404 (defun-maybe texinfo-format-tie-after-accent ()
405 (insert "[" (texinfo-parse-arg-discard))
406 (goto-char texinfo-command-start))
408 ;; @u{o} ==> (o breve accent
409 (put 'u 'texinfo-format 'texinfo-format-breve-accent)
410 (defun-maybe texinfo-format-breve-accent ()
411 (insert "(" (texinfo-parse-arg-discard))
412 (goto-char texinfo-command-start))
414 ;; @v{o} ==> <o hacek accent
415 (put 'v 'texinfo-format 'texinfo-format-hacek-accent)
416 (defun-maybe texinfo-format-hacek-accent ()
417 (insert "<" (texinfo-parse-arg-discard))
418 (goto-char texinfo-command-start))
420 ;; @dotless{i} ==> i dotless i and dotless j
421 (put 'dotless 'texinfo-format 'texinfo-format-dotless)
422 (defun-maybe texinfo-format-dotless ()
423 (insert (texinfo-parse-arg-discard))
424 (goto-char texinfo-command-start))
430 (put 'ref 'texinfo-format 'texinfo-format-xref)
432 (when-broken texinfo-format-xref
433 (fmakunbound 'texinfo-format-xref))
434 (defun-maybe texinfo-format-xref ()
435 (let ((args (texinfo-format-parse-args)))
436 (texinfo-discard-command)
438 (let ((fname (or (nth 1 args) (nth 2 args))))
439 (if (null (or fname (nth 3 args)))
440 (insert (nth 0 args) "::")
441 (insert (or fname (nth 0 args)) ": ")
443 (insert "(" (nth 3 args) ")"))
444 (unless (null (nth 0 args))
445 (insert (nth 0 args)))))))
448 (put 'uref 'texinfo-format 'texinfo-format-uref)
449 (when-broken texinfo-format-uref
450 (fmakunbound 'texinfo-format-uref))
451 (defun-maybe texinfo-format-uref ()
452 "Format URL and optional URL-TITLE.
453 Insert ` ... ' around URL if no URL-TITLE argument;
454 otherwise, insert URL-TITLE followed by URL in parentheses."
455 (let ((args (texinfo-format-parse-args)))
456 (texinfo-discard-command)
459 (insert (nth 1 args) " (" (nth 0 args) ")")
460 (insert "`" (nth 0 args) "'"))))
464 ;;; New command definition
465 ;; @alias NEW=EXISTING
466 (put 'alias 'texinfo-format 'texinfo-alias)
467 (defun-maybe texinfo-alias ()
468 (let ((start (1- (point)))
470 (skip-chars-forward " ")
471 (save-excursion (end-of-line) (setq texinfo-command-end (point)))
472 (if (not (looking-at "\\([^=]+\\)=\\(.*\\)"))
473 (error "Invalid alias command")
474 (setq texinfo-alias-list
477 (buffer-substring (match-beginning 1) (match-end 1))
478 (buffer-substring (match-beginning 2) (match-end 2)))
480 (texinfo-discard-command))))
482 ;; @definfoenclose NEWCMD, BEFORE, AFTER
487 ;; @image{FILENAME, [WIDTH], [HEIGHT]}
488 (put 'image 'texinfo-format 'texinfo-format-image)
489 (defun-maybe texinfo-format-image ()
490 (let ((args (texinfo-format-parse-args)) ; parse FILENAME?
492 (when (null (nth 0 args))
493 (error "Invalid image command"))
494 (texinfo-discard-command)
495 ;; makeinfo uses FILENAME.txt
496 (setq filename (format "%s.txt" (nth 0 args)))
497 (message "Reading included file: %s" filename)
498 ;; verbatim for Info output
499 (goto-char (+ (point) (cadr (insert-file-contents filename))))
500 (message "Reading included file: %s...done" filename)))
507 ;;; @multitable ... @end multitable
508 (defvar-maybe texinfo-extra-inter-column-width 0
509 "*Number of extra spaces between entries (columns) in @multitable.")
511 (defvar-maybe texinfo-multitable-buffer-name "*multitable-temporary-buffer*")
512 (defvar-maybe texinfo-multitable-rectangle-name "texinfo-multitable-temp-")
514 ;; These commands are defined in texinfo.tex for printed output.
515 (put 'multitableparskip 'texinfo-format 'texinfo-discard-line-with-args)
516 (put 'multitableparindent 'texinfo-format 'texinfo-discard-line-with-args)
517 (put 'multitablecolmargin 'texinfo-format 'texinfo-discard-line-with-args)
518 (put 'multitablelinespace 'texinfo-format 'texinfo-discard-line-with-args)
520 (put 'multitable 'texinfo-format 'texinfo-multitable)
522 (defun-maybe texinfo-multitable ()
523 "Produce multi-column tables."
525 ;; This function pushes information onto the `texinfo-stack'.
526 ;; A stack element consists of:
527 ;; - type-of-command, i.e., multitable
528 ;; - the information about column widths, and
529 ;; - the position of texinfo-command-start.
530 ;; e.g., ('multitable (1 2 3 4) 123)
531 ;; The command line is then deleted.
534 ;; push width information on stack
535 (texinfo-multitable-widths))
536 (texinfo-discard-line-with-args))
538 (put 'multitable 'texinfo-end 'texinfo-end-multitable)
539 (defun-maybe texinfo-end-multitable ()
540 "Discard the @end multitable line and pop the stack of multitable."
541 (texinfo-discard-command)
542 (texinfo-pop-stack 'multitable))
544 (when-broken texinfo-multitable-widths
545 (fmakunbound 'texinfo-multitable-widths))
547 (defun-maybe texinfo-multitable-widths ()
548 "Return list of widths of each column in a multi-column table."
549 (let (texinfo-multitable-width-list)
551 ;; @multitable @columnfractions .25 .3 .45
554 ;; @multitable {Column 1 template} {Column 2} {Column 3 example}
555 ;; Place point before first argument
556 (skip-chars-forward " \t")
558 ;; Check for common misspelling
559 ((looking-at "@columnfraction ")
560 (error "In @multitable, @columnfractions misspelled"))
561 ;; Case 1: @columnfractions .25 .3 .45
562 ((looking-at "@columnfractions")
565 (setq texinfo-multitable-width-list
569 (* fill-column (read (get-buffer (current-buffer))))))
570 texinfo-multitable-width-list))))
572 ;; Case 2: {Column 1 template} {Column 2} {Column 3 example}
574 (let ((start-of-templates (point)))
576 (skip-chars-forward " \t")
577 (let* ((start-of-template (1+ (point)))
579 ;; forward-sexp works with braces in Texinfo mode
580 (progn (forward-sexp 1) (1- (point)))))
581 (setq texinfo-multitable-width-list
582 (cons (- (progn (goto-char end-of-template) (current-column))
583 (progn (goto-char start-of-template) (current-column)))
584 texinfo-multitable-width-list))
585 ;; Remove carriage return from within a template, if any.
586 ;; This helps those those who want to use more than
587 ;; one line's worth of words in @multitable line.
588 (narrow-to-region start-of-template end-of-template)
589 (goto-char (point-min))
590 (while (search-forward "
593 (goto-char (point-max))
600 "You probably need to specify column widths for @multitable correctly")))
601 ;; Check whether columns fit on page.
602 (let ((desired-columns
604 ;; between column spaces
605 (length texinfo-multitable-width-list)
606 ;; additional between column spaces, if any
607 texinfo-extra-inter-column-width
608 ;; sum of spaces for each entry
609 (apply '+ texinfo-multitable-width-list))))
610 (if (> desired-columns fill-column)
613 "Multi-column table width, %d chars, is greater than page width, %d chars."
614 desired-columns fill-column))))
615 texinfo-multitable-width-list))
617 ;; @item A1 @tab A2 @tab A3
618 (defun-maybe texinfo-multitable-extract-row ()
619 "Return multitable row, as a string.
620 End of row is beginning of next @item or beginning of @end.
621 Cells within rows are separated by @tab."
622 (skip-chars-forward " \t")
623 (let* ((start (point))
625 (re-search-forward "@item\\|@end")
626 (match-beginning 0)))
627 (row (progn (goto-char end)
628 (skip-chars-backward " ")
629 ;; remove whitespace at end of argument
630 (delete-region (point) end)
631 (buffer-substring start (point)))))
632 (delete-region texinfo-command-start end)
635 (when-broken texinfo-multitable-item
636 (fmakunbound 'texinfo-multitable-item))
638 (put 'multitable 'texinfo-item 'texinfo-multitable-item)
639 (defun-maybe texinfo-multitable-item ()
640 "Format a row within a multicolumn table.
641 Cells in row are separated by @tab.
642 Widths of cells are specified by the arguments in the @multitable line.
643 All cells are made to be the same height.
644 This command is executed when texinfmt sees @item inside @multitable."
645 (let ((original-buffer (current-buffer))
646 (table-widths (reverse (car (cdr (car texinfo-stack)))))
647 (existing-fill-column fill-column)
651 (table-entry-height 0)
652 ;; unformatted row looks like: A1 @tab A2 @tab A3
653 ;; extract-row command deletes the source line in the table.
654 (unformated-row (texinfo-multitable-extract-row)))
655 ;; Use a temporary buffer
656 (set-buffer (get-buffer-create texinfo-multitable-buffer-name))
657 (delete-region (point-min) (point-max))
658 (insert unformated-row)
659 (goto-char (point-min))
660 ;; 1. Check for correct number of @tab in line.
661 (let ((tab-number 1)) ; one @tab between two columns
662 (while (search-forward "@tab" nil t)
663 (setq tab-number (1+ tab-number)))
664 (if (/= tab-number (length table-widths))
665 (error "Wrong number of @tab's in a @multitable row")))
666 (goto-char (point-min))
667 ;; 2. Format each cell, and copy to a rectangle
668 ;; buffer looks like this: A1 @tab A2 @tab A3
669 ;; Cell #1: format up to @tab
670 ;; Cell #2: format up to @tab
671 ;; Cell #3: format up to eob
674 (setq end (save-excursion
675 (if (search-forward "@tab" nil 'move)
676 ;; Delete the @tab command, including the @-sign
679 (progn (forward-word -1) (1- (point)))))
681 ;; Set fill-column *wider* than needed to produce inter-column space
682 (setq fill-column (+ 1
683 texinfo-extra-inter-column-width
684 (nth table-column table-widths)))
685 (narrow-to-region start end)
686 ;; Remove whitespace before and after entry.
687 (skip-chars-forward " ")
688 (delete-region (point) (save-excursion (beginning-of-line) (point)))
689 (goto-char (point-max))
690 (skip-chars-backward " ")
691 (delete-region (point) (save-excursion (end-of-line) (point)))
692 ;; Temorarily set texinfo-stack to nil so texinfo-format-scan
693 ;; does not see an unterminated @multitable.
694 (let (texinfo-stack) ; nil
695 (texinfo-format-scan))
696 (let (fill-prefix) ; no fill prefix
697 (fill-region (point-min) (point-max)))
698 (setq table-entry-height
699 (max table-entry-height (count-lines (point-min) (point-max))))
700 ;; 3. Move point to end of bottom line, and pad that line to fill column.
701 (goto-char (point-min))
702 (forward-line (1- table-entry-height))
703 (let* ((beg (point)) ; beginning of line
704 ;; add one more space for inter-column spacing
708 (progn (end-of-line) (current-column)))))) ; end of existing line
710 (if (> needed-whitespace 0) needed-whitespace 1)
712 ;; now, put formatted cell into a rectangle
713 (set (intern (concat texinfo-multitable-rectangle-name
714 (int-to-string table-column)))
715 (extract-rectangle (point-min) (point)))
716 (delete-region (point-min) (point))
717 (goto-char (point-max))
718 (setq table-column (1+ table-column))
720 ;; 4. Add extra lines to rectangles so all are of same height
721 (let ((total-number-of-columns table-column)
724 (while (> table-column 0)
725 (let ((this-rectangle (int-to-string table-column)))
726 (while (< (length this-rectangle) table-entry-height)
727 (setq this-rectangle (append this-rectangle '("")))))
728 (setq table-column (1- table-column)))
729 ;; 5. Insert formatted rectangles in original buffer
730 (switch-to-buffer original-buffer)
731 (open-line table-entry-height)
732 (while (< column-number total-number-of-columns)
736 (concat texinfo-multitable-rectangle-name
737 (int-to-string column-number)))))
740 (setq column-number (1+ column-number))))
741 (kill-buffer texinfo-multitable-buffer-name)
742 (setq fill-column existing-fill-column)))
745 (when-broken texinfo-format-printindex
746 (fmakunbound 'texinfo-format-printindex))
748 (defun-maybe texinfo-format-printindex ()
749 (let ((indexelts (symbol-value
750 (cdr (assoc (texinfo-parse-arg-discard)
751 texinfo-indexvar-alist))))
753 (insert "\n* Menu:\n\n")
754 (setq opoint (point))
755 (texinfo-print-index nil indexelts)
757 (if (memq system-type '(vax-vms windows-nt ms-dos))
758 (texinfo-sort-region opoint (point))
759 (shell-command-on-region opoint (point) "sort -fd" 1))))
761 ;;; ptexinfmt.el ends here