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.
45 (broken-facility texinfo-format-var
46 "Don't perse @COMMAND included @var"
49 (let (texinfo-enclosure-list texinfo-alias-list)
51 (insert "@var{@asis{foo}}\n")
52 (texinfo-format-expand-region (point-min) (point-max))
58 (broken-facility texinfo-format-xref
59 "Can't format 1st argument empty @xref."
62 (let (texinfo-enclosure-list texinfo-alias-list)
64 (insert "@xref{, xref, , file}\n")
65 (texinfo-format-expand-region (point-min) (point-max))
71 (broken-facility texinfo-format-uref
72 "Parse 2 times @uref argument."
75 (let (texinfo-enclosure-list texinfo-alias-list)
77 (insert "@uref{mailto:foo@@bar.com}\n")
78 (texinfo-format-expand-region (point-min) (point-max))
84 ;; Removed Texinfo 3.8
85 (put 'overfullrule 'texinfo-format 'texinfo-discard-line)
86 (put 'smallbreak 'texinfo-format 'texinfo-discard-line)
87 (put 'medbreak 'texinfo-format 'texinfo-discard-line)
88 (put 'bigbreak 'texinfo-format 'texinfo-discard-line)
89 ;; Removed Texinfo 3.9
90 (put 'setchapterstyle 'texinfo-format 'texinfo-discard-line-with-args)
92 ;;; Hardcopy and HTML (discard)
94 (put 'documentlanguage 'texinfo-format 'texinfo-discard-line-with-args)
95 (put 'documentencoding 'texinfo-format 'texinfo-discard-line-with-args)
98 (put 'smallbook 'texinfo-format 'texinfo-discard-line)
99 (put 'afourpaper 'texinfo-format 'texinfo-discard-line)
100 (put 'afourlatex 'texinfo-format 'texinfo-discard-line)
101 (put 'afourwide 'texinfo-format 'texinfo-discard-line)
102 (put 'pagesizes 'texinfo-format 'texinfo-discard-line-with-args)
105 (put 'setchapternewpage 'texinfo-format 'texinfo-discard-line-with-args)
106 (put 'kbdinputstyle 'texinfo-format 'texinfo-discard-line-with-args)
109 (put 'setcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
110 (put 'setshortcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
111 (put 'novalidate 'texinfo-format 'texinfo-discard-line-with-args)
114 (put 'headings 'texinfo-format 'texinfo-discard-line-with-args)
115 (put 'evenfooting 'texinfo-format 'texinfo-discard-line-with-args)
116 (put 'evenheading 'texinfo-format 'texinfo-discard-line-with-args)
117 (put 'oddfooting 'texinfo-format 'texinfo-discard-line-with-args)
118 (put 'oddheading 'texinfo-format 'texinfo-discard-line-with-args)
119 (put 'everyfooting 'texinfo-format 'texinfo-discard-line-with-args)
120 (put 'everyheading 'texinfo-format 'texinfo-discard-line-with-args)
123 (put 'page 'texinfo-format 'texinfo-discard-line)
124 (put 'hyphenation 'texinfo-format 'texinfo-discard-command-and-arg)
130 (put 'dircategory 'texinfo-format 'texinfo-format-dircategory)
131 (defun-maybe texinfo-format-dircategory ()
132 (let ((str (texinfo-parse-arg-discard)))
133 (delete-region (point)
135 (skip-chars-forward " ")
137 (insert "INFO-DIR-SECTION " str "\n")))
140 (put 'direntry 'texinfo-format 'texinfo-format-direntry)
141 (defun-maybe texinfo-format-direntry ()
142 (texinfo-push-stack 'direntry nil)
143 (texinfo-discard-line)
144 (insert "START-INFO-DIR-ENTRY\n\n"))
146 (put 'direntry 'texinfo-end 'texinfo-end-direntry)
147 (defun-maybe texinfo-end-direntry ()
148 (texinfo-discard-command)
149 (insert "END-INFO-DIR-ENTRY\n\n")
150 (texinfo-pop-stack 'direntry))
153 ;;; Block Enclosing and Conditional
154 ;; @detailmenu ... @end detailmenu
155 (put 'detailmenu 'texinfo-format 'texinfo-discard-line)
156 (put 'detailmenu 'texinfo-end 'texinfo-discard-command)
158 ;; @smalldisplay ... @end smalldisplay
159 (put 'smalldisplay 'texinfo-format 'texinfo-format-example)
160 (put 'smalldisplay 'texinfo-end 'texinfo-end-example)
162 ;; @smallformat ... @end smallformat
163 (put 'smallformat 'texinfo-format 'texinfo-format-flushleft)
164 (put 'smallformat 'texinfo-end 'texinfo-end-flushleft)
166 ;; @ifnottex ... @end ifnottex
167 (put 'ifnottex 'texinfo-format 'texinfo-discard-line)
168 (put 'ifnottex 'texinfo-end 'texinfo-discard-command)
170 ;; @ifnothtml ... @end ifnothtml
171 (put 'ifnothtml 'texinfo-format 'texinfo-discard-line)
172 (put 'ifnothtml 'texinfo-end 'texinfo-discard-command)
174 ;; @ifnotinfo ... @end ifnotinfo
175 (put 'ifnotinfo 'texinfo-format 'texinfo-format-ifnotinfo)
176 (put 'endifnotinfo 'texinfo-format 'texinfo-discard-line)
177 (defun-maybe texinfo-format-ifnotinfo ()
178 (delete-region texinfo-command-start
179 (progn (re-search-forward "@end ifnotinfo[ \t]*\n")
182 ;; @html ... @end html
183 (put 'html 'texinfo-format 'texinfo-format-html)
184 (put 'endhtml 'texinfo-format 'texinfo-discard-line)
185 (defun-maybe texinfo-format-html ()
186 (delete-region texinfo-command-start
187 (progn (re-search-forward "@end html[ \t]*\n")
193 ;; @url, @env, @command
194 (put 'url 'texinfo-format 'texinfo-format-code)
195 (put 'env 'texinfo-format 'texinfo-format-code)
196 (put 'command 'texinfo-format 'texinfo-format-code)
199 (put 'acronym 'texinfo-format 'texinfo-format-var)
201 (when-broken texinfo-format-var
202 (fmakunbound 'texinfo-format-var))
203 (defun-maybe texinfo-format-var ()
204 (let ((arg (texinfo-parse-expanded-arg)))
205 (texinfo-discard-command)
206 (insert (upcase arg))))
209 (put 'key 'texinfo-format 'texinfo-format-key)
210 (defun-maybe texinfo-format-key ()
211 (insert (texinfo-parse-arg-discard))
212 (goto-char texinfo-command-start))
214 ;; @email{EMAIL-ADDRESS[, DISPLAYED-TEXT]}
215 (put 'email 'texinfo-format 'texinfo-format-email)
216 (defun-maybe texinfo-format-email ()
217 "Format EMAIL-ADDRESS and optional DISPLAYED-TXT.
218 Insert < ... > around EMAIL-ADDRESS."
219 (let ((args (texinfo-format-parse-args)))
220 (texinfo-discard-command)
223 (insert (nth 1 args) " <" (nth 0 args) ">")
224 (insert "<" (nth 0 args) ">"))))
227 (put 'option 'texinfo-format 'texinfo-format-option)
228 (defun texinfo-format-option ()
229 "Insert ` ... ' around arg unless inside a table; in that case, no quotes."
230 ;; `looking-at-backward' not available in v. 18.57, 20.2
231 ;; searched-for character is a control-H
232 (if (not (search-backward "\010"
233 (save-excursion (beginning-of-line) (point))
235 (insert "`" (texinfo-parse-arg-discard) "'")
236 (insert (texinfo-parse-arg-discard)))
237 (goto-char texinfo-command-start))
241 ;;; Accents and Special characters
242 ;; @pounds{} ==> # Pounds Sterling
243 (put 'pounds 'texinfo-format 'texinfo-format-pounds)
244 (defun-maybe texinfo-format-pounds ()
245 (texinfo-parse-arg-discard)
248 ;; @OE{} ==> OE French-OE-ligature
249 (put 'OE 'texinfo-format 'texinfo-format-French-OE-ligature)
250 (defun-maybe texinfo-format-French-OE-ligature ()
251 (insert "OE" (texinfo-parse-arg-discard))
252 (goto-char texinfo-command-start))
255 (put 'oe 'texinfo-format 'texinfo-format-French-oe-ligature)
256 (defun-maybe texinfo-format-French-oe-ligature () ; lower case
257 (insert "oe" (texinfo-parse-arg-discard))
258 (goto-char texinfo-command-start))
260 ;; @AA{} ==> AA Scandinavian-A-with-circle
261 (put 'AA 'texinfo-format 'texinfo-format-Scandinavian-A-with-circle)
262 (defun-maybe texinfo-format-Scandinavian-A-with-circle ()
263 (insert "AA" (texinfo-parse-arg-discard))
264 (goto-char texinfo-command-start))
267 (put 'aa 'texinfo-format 'texinfo-format-Scandinavian-a-with-circle)
268 (defun-maybe texinfo-format-Scandinavian-a-with-circle () ; lower case
269 (insert "aa" (texinfo-parse-arg-discard))
270 (goto-char texinfo-command-start))
272 ;; @AE{} ==> AE Latin-Scandinavian-AE
273 (put 'AE 'texinfo-format 'texinfo-format-Latin-Scandinavian-AE)
274 (defun-maybe texinfo-format-Latin-Scandinavian-AE ()
275 (insert "AE" (texinfo-parse-arg-discard))
276 (goto-char texinfo-command-start))
279 (put 'ae 'texinfo-format 'texinfo-format-Latin-Scandinavian-ae)
280 (defun-maybe texinfo-format-Latin-Scandinavian-ae () ; lower case
281 (insert "ae" (texinfo-parse-arg-discard))
282 (goto-char texinfo-command-start))
284 ;; @ss{} ==> ss German-sharp-S
285 (put 'ss 'texinfo-format 'texinfo-format-German-sharp-S)
286 (defun-maybe texinfo-format-German-sharp-S ()
287 (insert "ss" (texinfo-parse-arg-discard))
288 (goto-char texinfo-command-start))
290 ;; @questiondown{} ==> ? upside-down-question-mark
291 (put 'questiondown 'texinfo-format 'texinfo-format-upside-down-question-mark)
292 (defun-maybe texinfo-format-upside-down-question-mark ()
293 (insert "?" (texinfo-parse-arg-discard))
294 (goto-char texinfo-command-start))
296 ;; @exclamdown{} ==> ! upside-down-exclamation-mark
297 (put 'exclamdown 'texinfo-format 'texinfo-format-upside-down-exclamation-mark)
298 (defun-maybe texinfo-format-upside-down-exclamation-mark ()
299 (insert "!" (texinfo-parse-arg-discard))
300 (goto-char texinfo-command-start))
302 ;; @L{} ==> L/ Polish suppressed-L (Lslash)
303 (put 'L 'texinfo-format 'texinfo-format-Polish-suppressed-L)
304 (defun-maybe texinfo-format-Polish-suppressed-L ()
305 (insert (texinfo-parse-arg-discard) "/L")
306 (goto-char texinfo-command-start))
308 ;; @l{} ==> l/ Polish suppressed-L (Lslash) (lower case)
309 (put 'l 'texinfo-format 'texinfo-format-Polish-suppressed-l-lower-case)
310 (defun-maybe texinfo-format-Polish-suppressed-l-lower-case ()
311 (insert (texinfo-parse-arg-discard) "/l")
312 (goto-char texinfo-command-start))
314 ;; @O{} ==> O/ Scandinavian O-with-slash
315 (put 'O 'texinfo-format 'texinfo-format-Scandinavian-O-with-slash)
316 (defun-maybe texinfo-format-Scandinavian-O-with-slash ()
317 (insert (texinfo-parse-arg-discard) "O/")
318 (goto-char texinfo-command-start))
320 ;; @o{} ==> o/ Scandinavian O-with-slash (lower case)
321 (put 'o 'texinfo-format 'texinfo-format-Scandinavian-o-with-slash-lower-case)
322 (defun-maybe texinfo-format-Scandinavian-o-with-slash-lower-case ()
323 (insert (texinfo-parse-arg-discard) "o/")
324 (goto-char texinfo-command-start))
326 ;; @,{c} ==> c, cedilla accent
327 (put ', 'texinfo-format 'texinfo-format-cedilla-accent)
328 (defun-maybe texinfo-format-cedilla-accent ()
329 (insert (texinfo-parse-arg-discard) ",")
330 (goto-char texinfo-command-start))
333 ;; @dotaccent{o} ==> .o overdot-accent
334 (put 'dotaccent 'texinfo-format 'texinfo-format-overdot-accent)
335 (defun-maybe texinfo-format-overdot-accent ()
336 (insert "." (texinfo-parse-arg-discard))
337 (goto-char texinfo-command-start))
339 ;; @ubaraccent{o} ==> _o underbar-accent
340 (put 'ubaraccent 'texinfo-format 'texinfo-format-underbar-accent)
341 (defun-maybe texinfo-format-underbar-accent ()
342 (insert "_" (texinfo-parse-arg-discard))
343 (goto-char texinfo-command-start))
345 ;; @udotaccent{o} ==> o-. underdot-accent
346 (put 'udotaccent 'texinfo-format 'texinfo-format-underdot-accent)
347 (defun-maybe texinfo-format-underdot-accent ()
348 (insert (texinfo-parse-arg-discard) "-.")
349 (goto-char texinfo-command-start))
351 ;; @H{o} ==> ""o long Hungarian umlaut
352 (put 'H 'texinfo-format 'texinfo-format-long-Hungarian-umlaut)
353 (defun-maybe texinfo-format-long-Hungarian-umlaut ()
354 (insert "\"\"" (texinfo-parse-arg-discard))
355 (goto-char texinfo-command-start))
357 ;; @ringaccent{o} ==> *o ring accent
358 (put 'ringaccent 'texinfo-format 'texinfo-format-ring-accent)
359 (defun-maybe texinfo-format-ring-accent ()
360 (insert "*" (texinfo-parse-arg-discard))
361 (goto-char texinfo-command-start))
363 ;; @tieaccent{oo} ==> [oo tie after accent
364 (put 'tieaccent 'texinfo-format 'texinfo-format-tie-after-accent)
365 (defun-maybe texinfo-format-tie-after-accent ()
366 (insert "[" (texinfo-parse-arg-discard))
367 (goto-char texinfo-command-start))
369 ;; @u{o} ==> (o breve accent
370 (put 'u 'texinfo-format 'texinfo-format-breve-accent)
371 (defun-maybe texinfo-format-breve-accent ()
372 (insert "(" (texinfo-parse-arg-discard))
373 (goto-char texinfo-command-start))
375 ;; @v{o} ==> <o hacek accent
376 (put 'v 'texinfo-format 'texinfo-format-hacek-accent)
377 (defun-maybe texinfo-format-hacek-accent ()
378 (insert "<" (texinfo-parse-arg-discard))
379 (goto-char texinfo-command-start))
381 ;; @dotless{i} ==> i dotless i and dotless j
382 (put 'dotless 'texinfo-format 'texinfo-format-dotless)
383 (defun-maybe texinfo-format-dotless ()
384 (insert (texinfo-parse-arg-discard))
385 (goto-char texinfo-command-start))
391 (put 'ref 'texinfo-format 'texinfo-format-xref)
393 (when-broken texinfo-format-xref
394 (fmakunbound 'texinfo-format-xref))
395 (defun-maybe texinfo-format-xref ()
396 (let ((args (texinfo-format-parse-args)))
397 (texinfo-discard-command)
399 (let ((fname (or (nth 1 args) (nth 2 args))))
400 (if (null (or fname (nth 3 args)))
401 (insert (nth 0 args) "::")
402 (insert (or fname (nth 0 args)) ": ")
404 (insert "(" (nth 3 args) ")"))
405 (unless (null (nth 0 args))
406 (insert (nth 0 args)))))))
409 (put 'uref 'texinfo-format 'texinfo-format-uref)
410 (when-broken texinfo-format-uref
411 (fmakunbound 'texinfo-format-uref))
412 (defun-maybe texinfo-format-uref ()
413 "Format URL and optional URL-TITLE.
414 Insert ` ... ' around URL if no URL-TITLE argument;
415 otherwise, insert URL-TITLE followed by URL in parentheses."
416 (let ((args (texinfo-format-parse-args)))
417 (texinfo-discard-command)
420 (insert (nth 1 args) " (" (nth 0 args) ")")
421 (insert "`" (nth 0 args) "'"))))
425 ;;; New command definition
426 ;; @alias NEW=EXISTING
427 (put 'alias 'texinfo-format 'texinfo-alias)
428 (defun-maybe texinfo-alias ()
429 (let ((start (1- (point)))
431 (skip-chars-forward " ")
432 (save-excursion (end-of-line) (setq texinfo-command-end (point)))
433 (if (not (looking-at "\\([^=]+\\)=\\(.*\\)"))
434 (error "Invalid alias command")
435 (setq texinfo-alias-list
438 (buffer-substring (match-beginning 1) (match-end 1))
439 (buffer-substring (match-beginning 2) (match-end 2)))
441 (texinfo-discard-command))))
443 ;; @definfoenclose NEWCMD, BEFORE, AFTER
448 ;; @image{FILENAME, [WIDTH], [HEIGHT]}
449 (put 'image 'texinfo-format 'texinfo-format-image)
450 (defun-maybe texinfo-format-image ()
451 (let ((args (texinfo-format-parse-args)) ; parse FILENAME?
453 (when (null (nth 0 args))
454 (error "Invalid image command"))
455 (texinfo-discard-command)
456 ;; makeinfo uses FILENAME.txt
457 (setq filename (format "%s.txt" (nth 0 args)))
458 (message "Reading included file: %s" filename)
459 ;; verbatim for Info output
460 (goto-char (+ (point) (cadr (insert-file-contents filename))))
461 (message "Reading included file: %s...done" filename)))
468 ;;; @multitable ... @end multitable
469 (defvar-maybe texinfo-extra-inter-column-width 0
470 "*Number of extra spaces between entries (columns) in @multitable.")
472 (defvar-maybe texinfo-multitable-buffer-name "*multitable-temporary-buffer*")
473 (defvar-maybe texinfo-multitable-rectangle-name "texinfo-multitable-temp-")
475 ;; These commands are defined in texinfo.tex for printed output.
476 (put 'multitableparskip 'texinfo-format 'texinfo-discard-line-with-args)
477 (put 'multitableparindent 'texinfo-format 'texinfo-discard-line-with-args)
478 (put 'multitablecolmargin 'texinfo-format 'texinfo-discard-line-with-args)
479 (put 'multitablelinespace 'texinfo-format 'texinfo-discard-line-with-args)
481 (put 'multitable 'texinfo-format 'texinfo-multitable)
483 (defun-maybe texinfo-multitable ()
484 "Produce multi-column tables."
486 ;; This function pushes information onto the `texinfo-stack'.
487 ;; A stack element consists of:
488 ;; - type-of-command, i.e., multitable
489 ;; - the information about column widths, and
490 ;; - the position of texinfo-command-start.
491 ;; e.g., ('multitable (1 2 3 4) 123)
492 ;; The command line is then deleted.
495 ;; push width information on stack
496 (texinfo-multitable-widths))
497 (texinfo-discard-line-with-args))
499 (put 'multitable 'texinfo-end 'texinfo-end-multitable)
500 (defun-maybe texinfo-end-multitable ()
501 "Discard the @end multitable line and pop the stack of multitable."
502 (texinfo-discard-command)
503 (texinfo-pop-stack 'multitable))
505 (defun-maybe texinfo-multitable-widths ()
506 "Return list of widths of each column in a multi-column table."
507 (let (texinfo-multitable-width-list)
509 ;; @multitable @columnfractions .25 .3 .45
512 ;; @multitable {Column 1 template} {Column 2} {Column 3 example}
513 ;; Place point before first argument
514 (skip-chars-forward " \t")
516 ;; Check for common misspelling
517 ((looking-at "@columnfraction ")
518 (error "In @multitable, @columnfractions misspelled"))
519 ;; Case 1: @columnfractions .25 .3 .45
520 ((looking-at "@columnfractions")
523 (setq texinfo-multitable-width-list
527 (* fill-column (read (get-buffer (current-buffer))))))
528 texinfo-multitable-width-list))))
530 ;; Case 2: {Column 1 template} {Column 2} {Column 3 example}
532 (let ((start-of-templates (point)))
534 (skip-chars-forward " \t")
535 (let* ((start-of-template (1+ (point)))
537 ;; forward-sexp works with braces in Texinfo mode
538 (progn (forward-sexp 1) (1- (point)))))
539 (setq texinfo-multitable-width-list
540 (cons (- end-of-template start-of-template)
541 texinfo-multitable-width-list))
542 ;; Remove carriage return from within a template, if any.
543 ;; This helps those those who want to use more than
544 ;; one line's worth of words in @multitable line.
545 (narrow-to-region start-of-template end-of-template)
546 (goto-char (point-min))
547 (while (search-forward "
550 (goto-char (point-max))
557 "You probably need to specify column widths for @multitable correctly.")))
558 ;; Check whether columns fit on page.
559 (let ((desired-columns
561 ;; between column spaces
562 (length texinfo-multitable-width-list)
563 ;; additional between column spaces, if any
564 texinfo-extra-inter-column-width
565 ;; sum of spaces for each entry
566 (apply '+ texinfo-multitable-width-list))))
567 (if (> desired-columns fill-column)
570 "Multi-column table width, %d chars, is greater than page width, %d chars."
571 desired-columns fill-column))))
572 texinfo-multitable-width-list))
574 ;; @item A1 @tab A2 @tab A3
575 (defun-maybe texinfo-multitable-extract-row ()
576 "Return multitable row, as a string.
577 End of row is beginning of next @item or beginning of @end.
578 Cells within rows are separated by @tab."
579 (skip-chars-forward " \t")
580 (let* ((start (point))
582 (re-search-forward "@item\\|@end")
583 (match-beginning 0)))
584 (row (progn (goto-char end)
585 (skip-chars-backward " ")
586 ;; remove whitespace at end of argument
587 (delete-region (point) end)
588 (buffer-substring start (point)))))
589 (delete-region texinfo-command-start end)
592 (put 'multitable 'texinfo-item 'texinfo-multitable-item)
593 (defun-maybe texinfo-multitable-item ()
594 "Format a row within a multicolumn table.
595 Cells in row are separated by @tab.
596 Widths of cells are specified by the arguments in the @multitable line.
597 All cells are made to be the same height.
598 This command is executed when texinfmt sees @item inside @multitable."
599 (let ((original-buffer (current-buffer))
600 (table-widths (reverse (car (cdr (car texinfo-stack)))))
601 (existing-fill-column fill-column)
605 (table-entry-height 0)
606 ;; unformatted row looks like: A1 @tab A2 @tab A3
607 ;; extract-row command deletes the source line in the table.
608 (unformated-row (texinfo-multitable-extract-row)))
609 ;; Use a temporary buffer
610 (set-buffer (get-buffer-create texinfo-multitable-buffer-name))
611 (delete-region (point-min) (point-max))
612 (insert unformated-row)
613 (goto-char (point-min))
614 ;; 1. Check for correct number of @tab in line.
615 (let ((tab-number 1)) ; one @tab between two columns
616 (while (search-forward "@tab" nil t)
617 (setq tab-number (1+ tab-number)))
618 (if (/= tab-number (length table-widths))
619 (error "Wrong number of @tab's in a @multitable row.")))
620 (goto-char (point-min))
621 ;; 2. Format each cell, and copy to a rectangle
622 ;; buffer looks like this: A1 @tab A2 @tab A3
623 ;; Cell #1: format up to @tab
624 ;; Cell #2: format up to @tab
625 ;; Cell #3: format up to eob
628 (setq end (save-excursion
629 (if (search-forward "@tab" nil 'move)
630 ;; Delete the @tab command, including the @-sign
633 (progn (forward-word -1) (1- (point)))))
635 ;; Set fill-column *wider* than needed to produce inter-column space
636 (setq fill-column (+ 1
637 texinfo-extra-inter-column-width
638 (nth table-column table-widths)))
639 (narrow-to-region start end)
640 ;; Remove whitespace before and after entry.
641 (skip-chars-forward " ")
642 (delete-region (point) (save-excursion (beginning-of-line) (point)))
643 (goto-char (point-max))
644 (skip-chars-backward " ")
645 (delete-region (point) (save-excursion (end-of-line) (point)))
646 ;; Temorarily set texinfo-stack to nil so texinfo-format-scan
647 ;; does not see an unterminated @multitable.
648 (let (texinfo-stack) ; nil
649 (texinfo-format-scan))
650 (let (fill-prefix) ; no fill prefix
651 (fill-region (point-min) (point-max)))
652 (setq table-entry-height
653 (max table-entry-height (count-lines (point-min) (point-max))))
654 ;; 3. Move point to end of bottom line, and pad that line to fill column.
655 (goto-char (point-min))
656 (forward-line (1- table-entry-height))
657 (let* ((beg (point)) ; beginning of line
658 ;; add one more space for inter-column spacing
663 (progn (end-of-line) (point)) ; end of existing line
666 (if (> needed-whitespace 0) needed-whitespace 1)
668 ;; now, put formatted cell into a rectangle
669 (set (intern (concat texinfo-multitable-rectangle-name
670 (int-to-string table-column)))
671 (extract-rectangle (point-min) (point)))
672 (delete-region (point-min) (point))
673 (goto-char (point-max))
674 (setq table-column (1+ table-column))
676 ;; 4. Add extra lines to rectangles so all are of same height
677 (let ((total-number-of-columns table-column)
680 (while (> table-column 0)
681 (let ((this-rectangle (int-to-string table-column)))
682 (while (< (length this-rectangle) table-entry-height)
683 (setq this-rectangle (append this-rectangle '("")))))
684 (setq table-column (1- table-column)))
685 ;; 5. Insert formatted rectangles in original buffer
686 (switch-to-buffer original-buffer)
687 (open-line table-entry-height)
688 (while (< column-number total-number-of-columns)
692 (concat texinfo-multitable-rectangle-name
693 (int-to-string column-number)))))
696 (setq column-number (1+ column-number))))
697 (kill-buffer texinfo-multitable-buffer-name)
698 (setq fill-column existing-fill-column)))
701 ;;; ptexinfmt.el ends here