comparison lisp/packages/texinfmt.el @ 0:376386a54a3c r19-14

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1 ;;;; texinfmt.el
2 ;;; Copyright (C) 1985, 1986, 1988, 1990, 1991,
3 ;;; 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
4
5 ;; Maintainer: Robert J. Chassell <bug-texinfo@prep.ai.mit.edu>
6
7 ;;; This file is part of GNU Emacs.
8
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
12 ;; any later version.
13
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
18
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to
21 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
22
23 ;;; Synched up with: FSF 19.30.
24
25 ;;; Code:
26
27 ;;; Emacs lisp functions to convert Texinfo files to Info files.
28
29 (defvar texinfmt-version "2.34 of 7 June 1995")
30
31 ;;; Variable definitions
32
33 (require 'texinfo) ; So `texinfo-footnote-style' is defined.
34 (require 'texnfo-upd) ; So `texinfo-section-types-regexp' is defined.
35
36 (defvar texinfo-format-syntax-table nil)
37
38 (defvar texinfo-vindex)
39 (defvar texinfo-findex)
40 (defvar texinfo-cindex)
41 (defvar texinfo-pindex)
42 (defvar texinfo-tindex)
43 (defvar texinfo-kindex)
44 (defvar texinfo-last-node)
45 (defvar texinfo-node-names)
46 (defvar texinfo-enclosure-list)
47 (defvar texinfo-alias-list)
48
49 (defvar texinfo-command-start)
50 (defvar texinfo-command-end)
51 (defvar texinfo-command-name)
52 (defvar texinfo-defun-type)
53 (defvar texinfo-last-node-pos)
54 (defvar texinfo-stack)
55 (defvar texinfo-short-index-cmds-alist)
56 (defvar texinfo-short-index-format-cmds-alist)
57 (defvar texinfo-format-filename)
58 (defvar texinfo-footnote-number)
59 (defvar texinfo-start-of-header)
60 (defvar texinfo-end-of-header)
61 (defvar texinfo-raisesections-alist)
62 (defvar texinfo-lowersections-alist)
63
64 ;;; Syntax table
65
66 (if texinfo-format-syntax-table
67 nil
68 (setq texinfo-format-syntax-table (make-syntax-table))
69 (modify-syntax-entry ?\" " " texinfo-format-syntax-table)
70 (modify-syntax-entry ?\\ " " texinfo-format-syntax-table)
71 (modify-syntax-entry ?@ "\\" texinfo-format-syntax-table)
72 (modify-syntax-entry ?\^q "\\" texinfo-format-syntax-table)
73 (modify-syntax-entry ?\[ "." texinfo-format-syntax-table)
74 (modify-syntax-entry ?\] "." texinfo-format-syntax-table)
75 (modify-syntax-entry ?\( "." texinfo-format-syntax-table)
76 (modify-syntax-entry ?\) "." texinfo-format-syntax-table)
77 (modify-syntax-entry ?{ "(}" texinfo-format-syntax-table)
78 (modify-syntax-entry ?} "){" texinfo-format-syntax-table)
79 (modify-syntax-entry ?\' "." texinfo-format-syntax-table))
80
81
82 ;;; Top level buffer and region formatting functions
83
84 ;;;###autoload
85 (defun texinfo-format-buffer (&optional notagify)
86 "Process the current buffer as texinfo code, into an Info file.
87 The Info file output is generated in a buffer visiting the Info file
88 names specified in the @setfilename command.
89
90 Non-nil argument (prefix, if interactive) means don't make tag table
91 and don't split the file if large. You can use Info-tagify and
92 Info-split to do these manually."
93 (interactive "P")
94 (let ((lastmessage "Formatting Info file..."))
95 (message lastmessage)
96 (texinfo-format-buffer-1)
97 (if notagify
98 nil
99 (if (> (buffer-size) 30000)
100 (progn
101 (message (setq lastmessage "Making tags table for Info file..."))
102 (Info-tagify)))
103 (if (> (buffer-size) 100000)
104 (progn
105 (message (setq lastmessage "Splitting Info file..."))
106 (Info-split))))
107 (message (concat lastmessage
108 (if (interactive-p) "done. Now save it." "done.")))))
109
110 (defvar texinfo-region-buffer-name "*Info Region*"
111 "*Name of the temporary buffer used by \\[texinfo-format-region].")
112
113 ;;;###autoload
114 (defun texinfo-format-region (region-beginning region-end)
115 "Convert the current region of the Texinfo file to Info format.
116 This lets you see what that part of the file will look like in Info.
117 The command is bound to \\[texinfo-format-region]. The text that is
118 converted to Info is stored in a temporary buffer."
119 (interactive "r")
120 (message "Converting region to Info format...")
121 (let (texinfo-command-start
122 texinfo-command-end
123 texinfo-command-name
124 texinfo-vindex
125 texinfo-findex
126 texinfo-cindex
127 texinfo-pindex
128 texinfo-tindex
129 texinfo-kindex
130 texinfo-stack
131 (texinfo-format-filename "")
132 texinfo-example-start
133 texinfo-last-node-pos
134 texinfo-last-node
135 texinfo-node-names
136 (texinfo-footnote-number 0)
137 last-input-buffer
138 (fill-column-for-info fill-column)
139 (input-buffer (current-buffer))
140 (input-directory default-directory)
141 (header-text "")
142 (header-beginning 1)
143 (header-end 1))
144
145 ;;; Copy lines between beginning and end of header lines,
146 ;;; if any, or else copy the `@setfilename' line, if any.
147 (save-excursion
148 (save-restriction
149 (widen)
150 (goto-char (point-min))
151 (let ((search-end (save-excursion (forward-line 100) (point))))
152 (if (or
153 ;; Either copy header text.
154 (and
155 (prog1
156 (search-forward tex-start-of-header search-end t)
157 (forward-line 1)
158 ;; Mark beginning of header.
159 (setq header-beginning (point)))
160 (prog1
161 (search-forward tex-end-of-header nil t)
162 (beginning-of-line)
163 ;; Mark end of header
164 (setq header-end (point))))
165 ;; Or copy @filename line.
166 (prog2
167 (goto-char (point-min))
168 (search-forward "@setfilename" search-end t)
169 (beginning-of-line)
170 (setq header-beginning (point))
171 (forward-line 1)
172 (setq header-end (point))))
173
174 ;; Copy header
175 (setq header-text
176 (buffer-substring
177 (min header-beginning region-beginning)
178 header-end))))))
179
180 ;;; Find a buffer to use.
181 (switch-to-buffer (get-buffer-create texinfo-region-buffer-name))
182 (erase-buffer)
183 ;; Insert the header into the buffer.
184 (insert header-text)
185 ;; Insert the region into the buffer.
186 (insert-buffer-substring
187 input-buffer
188 (max region-beginning header-end)
189 region-end)
190 ;; Make sure region ends in a newline.
191 (or (= (preceding-char) ?\n)
192 (insert "\n"))
193
194 (goto-char (point-min))
195 (texinfo-mode)
196 (message "Converting region to Info format...")
197 (setq fill-column fill-column-for-info)
198 ;; Install a syntax table useful for scanning command operands.
199 (set-syntax-table texinfo-format-syntax-table)
200
201 ;; Insert @include files so `texinfo-raise-lower-sections' can
202 ;; work on them without losing track of multiple
203 ;; @raise/@lowersections commands.
204 (while (re-search-forward "^@include" nil t)
205 (setq texinfo-command-end (point))
206 (let ((filename (concat input-directory
207 (texinfo-parse-line-arg))))
208 (re-search-backward "^@include")
209 (delete-region (point) (save-excursion (forward-line 1) (point)))
210 (message "Reading included file: %s" filename)
211 (save-excursion
212 (save-restriction
213 (narrow-to-region
214 (point)
215 (+ (point) (car (cdr (insert-file-contents filename)))))
216 (goto-char (point-min))
217 ;; Remove `@setfilename' line from included file, if any,
218 ;; so @setfilename command not duplicated.
219 (if (re-search-forward
220 "^@setfilename" (save-excursion (forward-line 100) (point)) t)
221 (progn
222 (beginning-of-line)
223 (delete-region
224 (point) (save-excursion (forward-line 1) (point)))))))))
225
226 ;; Raise or lower level of each section, if necessary.
227 (goto-char (point-min))
228 (texinfo-raise-lower-sections)
229 ;; Append @refill to appropriate paragraphs for filling.
230 (goto-char (point-min))
231 (texinfo-append-refill)
232 ;; If the region includes the effective end of the data,
233 ;; discard everything after that.
234 (goto-char (point-max))
235 (if (re-search-backward "^@bye" nil t)
236 (delete-region (point) (point-max)))
237 ;; Make sure buffer ends in a newline.
238 (or (= (preceding-char) ?\n)
239 (insert "\n"))
240 ;; Don't use a previous value of texinfo-enclosure-list.
241 (setq texinfo-enclosure-list nil)
242 (setq texinfo-alias-list nil)
243
244 (goto-char (point-min))
245 (if (looking-at "\\\\input[ \t]+texinfo")
246 (delete-region (point) (save-excursion (forward-line 1) (point))))
247
248 ;; Insert Info region title text.
249 (goto-char (point-min))
250 (if (search-forward
251 "@setfilename" (save-excursion (forward-line 100) (point)) t)
252 (progn
253 (setq texinfo-command-end (point))
254 (beginning-of-line)
255 (setq texinfo-command-start (point))
256 (let ((arg (texinfo-parse-arg-discard)))
257 (insert " "
258 texinfo-region-buffer-name
259 " buffer for: `")
260 (insert (file-name-nondirectory (expand-file-name arg)))
261 (insert "', -*-Text-*-\n")))
262 ;; Else no `@setfilename' line
263 (insert " "
264 texinfo-region-buffer-name
265 " buffer -*-Text-*-\n"))
266 (insert "produced by `texinfo-format-region'\n"
267 "from a region in: "
268 (if (buffer-file-name input-buffer)
269 (concat "`"
270 (file-name-sans-versions
271 (file-name-nondirectory
272 (buffer-file-name input-buffer)))
273 "'")
274 (concat "buffer `" (buffer-name input-buffer) "'"))
275 "\nusing `texinfmt.el' version "
276 texinfmt-version
277 ".\n\n")
278
279 ;; Now convert for real.
280 (goto-char (point-min))
281 (texinfo-format-scan)
282 (goto-char (point-min))
283
284 (message "Done.")))
285
286
287 ;;; Primary internal formatting function for the whole buffer.
288
289 (defun texinfo-format-buffer-1 ()
290 (let (texinfo-format-filename
291 texinfo-example-start
292 texinfo-command-start
293 texinfo-command-end
294 texinfo-command-name
295 texinfo-last-node
296 texinfo-last-node-pos
297 texinfo-vindex
298 texinfo-findex
299 texinfo-cindex
300 texinfo-pindex
301 texinfo-tindex
302 texinfo-kindex
303 texinfo-stack
304 texinfo-node-names
305 (texinfo-footnote-number 0)
306 last-input-buffer
307 outfile
308 (fill-column-for-info fill-column)
309 (input-buffer (current-buffer))
310 (input-directory default-directory))
311 (setq texinfo-enclosure-list nil)
312 (setq texinfo-alias-list nil)
313 (save-excursion
314 (goto-char (point-min))
315 (or (search-forward "@setfilename" nil t)
316 (error "Texinfo file needs an `@setfilename FILENAME' line."))
317 (setq texinfo-command-end (point))
318 (setq outfile (texinfo-parse-line-arg)))
319 (find-file outfile)
320 (texinfo-mode)
321 (setq fill-column fill-column-for-info)
322 (set-syntax-table texinfo-format-syntax-table)
323 (erase-buffer)
324 (insert-buffer-substring input-buffer)
325 (message "Converting %s to Info format..." (buffer-name input-buffer))
326
327 ;; Insert @include files so `texinfo-raise-lower-sections' can
328 ;; work on them without losing track of multiple
329 ;; @raise/@lowersections commands.
330 (goto-char (point-min))
331 (while (re-search-forward "^@include" nil t)
332 (setq texinfo-command-end (point))
333 (let ((filename (concat input-directory
334 (texinfo-parse-line-arg))))
335 (re-search-backward "^@include")
336 (delete-region (point) (save-excursion (forward-line 1) (point)))
337 (message "Reading included file: %s" filename)
338 (save-excursion
339 (save-restriction
340 (narrow-to-region
341 (point)
342 (+ (point) (car (cdr (insert-file-contents filename)))))
343 (goto-char (point-min))
344 ;; Remove `@setfilename' line from included file, if any,
345 ;; so @setfilename command not duplicated.
346 (if (re-search-forward
347 "^@setfilename"
348 (save-excursion (forward-line 100) (point)) t)
349 (progn
350 (beginning-of-line)
351 (delete-region
352 (point) (save-excursion (forward-line 1) (point)))))))))
353 ;; Raise or lower level of each section, if necessary.
354 (goto-char (point-min))
355 (texinfo-raise-lower-sections)
356 ;; Append @refill to appropriate paragraphs
357 (goto-char (point-min))
358 (texinfo-append-refill)
359 (goto-char (point-min))
360 (search-forward "@setfilename")
361 (beginning-of-line)
362 (delete-region (point-min) (point))
363 ;; Remove @bye at end of file, if it is there.
364 (goto-char (point-max))
365 (if (search-backward "@bye" nil t)
366 (delete-region (point) (point-max)))
367 ;; Make sure buffer ends in a newline.
368 (or (= (preceding-char) ?\n)
369 (insert "\n"))
370 ;; Scan the whole buffer, converting to Info format.
371 (texinfo-format-scan)
372 ;; Return data for indices.
373 (goto-char (point-min))
374 (list outfile
375 texinfo-vindex texinfo-findex texinfo-cindex
376 texinfo-pindex texinfo-tindex texinfo-kindex)))
377
378
379 ;;; Perform non-@-command file conversions: quotes and hyphens
380
381 (defun texinfo-format-convert (min max)
382 ;; Convert left and right quotes to typewriter font quotes.
383 (goto-char min)
384 (while (search-forward "``" max t)
385 (replace-match "\""))
386 (goto-char min)
387 (while (search-forward "''" max t)
388 (replace-match "\""))
389 ;; Convert three hyphens in a row to two.
390 (goto-char min)
391 (while (re-search-forward "\\( \\|\\w\\)\\(---\\)\\( \\|\\w\\)" max t)
392 (delete-region (1+ (match-beginning 2)) (+ 2 (match-beginning
393 2)))))
394
395
396 ;;; Handle paragraph filling
397
398 (defvar texinfo-no-refill-regexp
399 "^@\\(example\\|smallexample\\|lisp\\|smalllisp\\|display\\|format\\|flushleft\\|flushright\\|menu\\|titlepage\\|iftex\\|ifhtml\\|tex\\|html\\)"
400 "Regexp specifying environments in which paragraphs are not filled.")
401
402 (defvar texinfo-part-of-para-regexp
403 "^@\\(b{\\|bullet{\\|cite{\\|code{\\|emph{\\|equiv{\\|error{\\|expansion{\\|file{\\|i{\\|inforef{\\|kbd{\\|key{\\|lisp{\\|minus{\\|point{\\|print{\\|pxref{\\|r{\\|ref{\\|result{\\|samp{\\|sc{\\|t{\\|TeX{\\|today{\\|var{\\|w{\\|xref{\\)"
404 "Regexp specifying @-commands found within paragraphs.")
405
406 (defun texinfo-append-refill ()
407 "Append @refill at end of each paragraph that should be filled.
408 Do not append @refill to paragraphs within @example and similar environments.
409 Do not append @refill to paragraphs containing @w{TEXT} or @*."
410
411 ;; It is necessary to append @refill before other processing because
412 ;; the other processing removes information that tells Texinfo
413 ;; whether the text should or should not be filled.
414
415 (while (< (point) (point-max))
416 (let ((refill-blank-lines "^[ \t\n]*$")
417 (case-fold-search nil)) ; Don't confuse @TeX and @tex....
418 (beginning-of-line)
419 ;; 1. Skip over blank lines;
420 ;; skip over lines beginning with @-commands,
421 ;; but do not skip over lines
422 ;; that are no-refill environments such as @example or
423 ;; that begin with within-paragraph @-commands such as @code.
424 (while (and (looking-at (concat "^@\\|^\\\\\\|" refill-blank-lines))
425 (not (looking-at
426 (concat
427 "\\("
428 texinfo-no-refill-regexp
429 "\\|"
430 texinfo-part-of-para-regexp
431 "\\)")))
432 (< (point) (point-max)))
433 (forward-line 1))
434 ;; 2. Skip over @example and similar no-refill environments.
435 (if (looking-at texinfo-no-refill-regexp)
436 (let ((environment
437 (buffer-substring (match-beginning 1) (match-end 1))))
438 (progn (re-search-forward (concat "^@end " environment) nil t)
439 (forward-line 1)))
440 ;; 3. Do not refill a paragraph containing @w or @*
441 (if (or
442 (>= (point) (point-max))
443 (re-search-forward
444 "@w{\\|@\\*" (save-excursion (forward-paragraph) (point)) t))
445 ;; Go to end of paragraph and do nothing.
446 (forward-paragraph)
447 ;; 4. Else go to end of paragraph and insert @refill
448 (forward-paragraph)
449 (forward-line -1)
450 (end-of-line)
451 (delete-region
452 (point)
453 (save-excursion (skip-chars-backward " \t") (point)))
454 ;; `looking-at-backward' not available in v. 18.57
455 ;; (if (not (looking-at-backward "@refill\\|@bye")) ;)
456 (if (not (re-search-backward
457 "@refill\\|@bye"
458 (save-excursion (beginning-of-line) (point))
459 t))
460 (insert "@refill"))
461 (forward-line 1))))))
462
463
464 ;;; Handle `@raisesections' and `@lowersections' commands
465
466 ;; These commands change the hierarchical level of chapter structuring
467 ;; commands.
468 ;;
469 ;; @raisesections changes @subsection to @section,
470 ;; @section to @chapter,
471 ;; etc.
472 ;;
473 ;; @lowersections changes @chapter to @section
474 ;; @subsection to @subsubsection,
475 ;; etc.
476 ;;
477 ;; An @raisesections/@lowersections command changes only those
478 ;; structuring commands that follow the @raisesections/@lowersections
479 ;; command.
480 ;;
481 ;; Repeated @raisesections/@lowersections continue to raise or lower
482 ;; the heading level.
483 ;;
484 ;; An @lowersections command cancels an @raisesections command, and
485 ;; vice versa.
486 ;;
487 ;; You cannot raise or lower "beyond" chapters or subsubsections, but
488 ;; trying to do so does not elicit an error---you just get more
489 ;; headings that mean the same thing as you keep raising or lowering
490 ;; (for example, after a single @raisesections, both @chapter and
491 ;; @section produce chapter headings).
492
493 (defun texinfo-raise-lower-sections ()
494 "Raise or lower the hierarchical level of chapters, sections, etc.
495
496 This function acts according to `@raisesections' and `@lowersections'
497 commands in the Texinfo file.
498
499 For example, an `@lowersections' command is useful if you wish to
500 include what is written as an outer or standalone Texinfo file in
501 another Texinfo file as an inner, included file. The `@lowersections'
502 command changes chapters to sections, sections to subsections and so
503 on.
504
505 @raisesections changes @subsection to @section,
506 @section to @chapter,
507 @heading to @chapheading,
508 etc.
509
510 @lowersections changes @chapter to @section,
511 @subsection to @subsubsection,
512 @heading to @subheading,
513 etc.
514
515 An `@raisesections' or `@lowersections' command changes only those
516 structuring commands that follow the `@raisesections' or
517 `@lowersections' command.
518
519 An `@lowersections' command cancels an `@raisesections' command, and
520 vice versa.
521
522 Repeated use of the commands continue to raise or lower the hierarchical
523 level a step at a time.
524
525 An attempt to raise above `chapters' reproduces chapter commands; an
526 attempt to lower below subsubsections reproduces subsubsection
527 commands."
528
529 ;; `texinfo-section-types-regexp' is defined in `texnfo-upd.el';
530 ;; it is a regexp matching chapter, section, other headings
531 ;; (but not the top node).
532
533 (let (type (level 0))
534 (while
535 (re-search-forward
536 (concat
537 "\\(\\(^@\\(raise\\|lower\\)sections\\)\\|\\("
538 texinfo-section-types-regexp
539 "\\)\\)")
540 nil t)
541 (beginning-of-line)
542 (save-excursion (setq type (read (current-buffer))))
543 (cond
544
545 ;; 1. Increment level
546 ((eq type '@raisesections)
547 (setq level (1+ level))
548 (delete-region
549 (point) (save-excursion (forward-line 1) (point))))
550
551 ;; 2. Decrement level
552 ((eq type '@lowersections)
553 (setq level (1- level))
554 (delete-region
555 (point) (save-excursion (forward-line 1) (point))))
556
557 ;; Now handle structuring commands
558 ((cond
559
560 ;; 3. Raise level when positive
561 ((> level 0)
562 (let ((count level)
563 (new-level type))
564 (while (> count 0)
565 (setq new-level
566 (cdr (assq new-level texinfo-raisesections-alist)))
567 (setq count (1- count)))
568 (kill-word 1)
569 (insert (symbol-name new-level))))
570
571 ;; 4. Do nothing except move point when level is zero
572 ((= level 0) (forward-line 1))
573
574 ;; 5. Lower level when positive
575 ((< level 0)
576 (let ((count level)
577 (new-level type))
578 (while (< count 0)
579 (setq new-level
580 (cdr (assq new-level texinfo-lowersections-alist)))
581 (setq count (1+ count)))
582 (kill-word 1)
583 (insert (symbol-name new-level))))))))))
584
585 (defvar texinfo-raisesections-alist
586 '((@chapter . @chapter) ; Cannot go higher
587 (@unnumbered . @unnumbered)
588
589 (@majorheading . @majorheading)
590 (@chapheading . @chapheading)
591 (@appendix . @appendix)
592
593 (@section . @chapter)
594 (@unnumberedsec . @unnumbered)
595 (@heading . @chapheading)
596 (@appendixsec . @appendix)
597
598 (@subsection . @section)
599 (@unnumberedsubsec . @unnumberedsec)
600 (@subheading . @heading)
601 (@appendixsubsec . @appendixsec)
602
603 (@subsubsection . @subsection)
604 (@unnumberedsubsubsec . @unnumberedsubsec)
605 (@subsubheading . @subheading)
606 (@appendixsubsubsec . @appendixsubsec))
607 "*An alist of next higher levels for chapters, sections. etc.
608 For example, section to chapter, subsection to section.
609 Used by `texinfo-raise-lower-sections'.
610 The keys specify types of section; the values correspond to the next
611 higher types.")
612
613 (defvar texinfo-lowersections-alist
614 '((@chapter . @section)
615 (@unnumbered . @unnumberedsec)
616 (@majorheading . @heading)
617 (@chapheading . @heading)
618 (@appendix . @appendixsec)
619
620 (@section . @subsection)
621 (@unnumberedsec . @unnumberedsubsec)
622 (@heading . @subheading)
623 (@appendixsec . @appendixsubsec)
624
625 (@subsection . @subsubsection)
626 (@unnumberedsubsec . @unnumberedsubsubsec)
627 (@subheading . @subsubheading)
628 (@appendixsubsec . @appendixsubsubsec)
629
630 (@subsubsection . @subsubsection) ; Cannot go lower.
631 (@unnumberedsubsubsec . @unnumberedsubsubsec)
632 (@subsubheading . @subsubheading)
633 (@appendixsubsubsec . @appendixsubsubsec))
634 "*An alist of next lower levels for chapters, sections. etc.
635 For example, chapter to section, section to subsection.
636 Used by `texinfo-raise-lower-sections'.
637 The keys specify types of section; the values correspond to the next
638 lower types.")
639
640
641 ;;; Perform those texinfo-to-info conversions that apply to the whole input
642 ;;; uniformly.
643
644 (defun texinfo-format-scan ()
645 (texinfo-format-convert (point-min) (point-max))
646 ;; Scan for @-commands.
647 (goto-char (point-min))
648 (while (search-forward "@" nil t)
649 (if (looking-at "[@{}^'` *\"?!]")
650 ;; Handle a few special @-followed-by-one-char commands.
651 (if (= (following-char) ?*)
652 (progn
653 ;; remove command
654 (delete-region (1- (point)) (1+ (point)))
655 ;; insert return if not at end of line;
656 ;; else line is already broken.
657 (if (not (= (following-char) ?\n))
658 (insert ?\n)))
659 ;; The other characters are simply quoted. Delete the @.
660 (delete-char -1)
661 (forward-char 1))
662 ;; @ is followed by a command-word; find the end of the word.
663 (setq texinfo-command-start (1- (point)))
664 (if (= (char-syntax (following-char)) ?w)
665 (forward-word 1)
666 (forward-char 1))
667 (setq texinfo-command-end (point))
668 ;; Handle let aliasing
669 (setq texinfo-command-name
670 (let (trial
671 (cmdname
672 (buffer-substring
673 (1+ texinfo-command-start) texinfo-command-end)))
674 (while (setq trial (assoc cmdname texinfo-alias-list))
675 (setq cmdname (cdr trial)))
676 (intern cmdname)))
677 ;; Call the handler for this command.
678 (let ((enclosure-type
679 (assoc
680 (symbol-name texinfo-command-name)
681 texinfo-enclosure-list)))
682 (if enclosure-type
683 (progn
684 (insert
685 (car (car (cdr enclosure-type)))
686 (texinfo-parse-arg-discard)
687 (car (cdr (car (cdr enclosure-type)))))
688 (goto-char texinfo-command-start))
689 (let ((cmd (get texinfo-command-name 'texinfo-format)))
690 (if cmd (funcall cmd) (texinfo-unsupported)))))))
691
692 (cond (texinfo-stack
693 (goto-char (nth 2 (car texinfo-stack)))
694 (error "Unterminated @%s" (car (car texinfo-stack))))))
695
696 (put 'begin 'texinfo-format 'texinfo-format-begin)
697 (defun texinfo-format-begin ()
698 (texinfo-format-begin-end 'texinfo-format))
699
700 (put 'end 'texinfo-format 'texinfo-format-end)
701 (defun texinfo-format-end ()
702 (texinfo-format-begin-end 'texinfo-end))
703
704 (defun texinfo-format-begin-end (prop)
705 (setq texinfo-command-name (intern (texinfo-parse-line-arg)))
706 (let ((cmd (get texinfo-command-name prop)))
707 (if cmd (funcall cmd)
708 (texinfo-unsupported))))
709
710 ;;; Parsing functions
711
712 (defun texinfo-parse-line-arg ()
713 (goto-char texinfo-command-end)
714 (let ((start (point)))
715 (cond ((looking-at " ")
716 (skip-chars-forward " ")
717 (setq start (point))
718 (end-of-line)
719 (skip-chars-backward " ")
720 (delete-region (point) (progn (end-of-line) (point)))
721 (setq texinfo-command-end (1+ (point))))
722 ((looking-at "{")
723 (setq start (1+ (point)))
724 (forward-list 1)
725 (setq texinfo-command-end (point))
726 (forward-char -1))
727 (t
728 (error "Invalid texinfo command arg format")))
729 (prog1 (buffer-substring start (point))
730 (if (eolp) (forward-char 1)))))
731
732 (defun texinfo-parse-expanded-arg ()
733 (goto-char texinfo-command-end)
734 (let ((start (point))
735 marker)
736 (cond ((looking-at " ")
737 (skip-chars-forward " ")
738 (setq start (point))
739 (end-of-line)
740 (setq texinfo-command-end (1+ (point))))
741 ((looking-at "{")
742 (setq start (1+ (point)))
743 (forward-list 1)
744 (setq texinfo-command-end (point))
745 (forward-char -1))
746 (t
747 (error "Invalid texinfo command arg format")))
748 (setq marker (move-marker (make-marker) texinfo-command-end))
749 (texinfo-format-expand-region start (point))
750 (setq texinfo-command-end (marker-position marker))
751 (move-marker marker nil)
752 (prog1 (buffer-substring start (point))
753 (if (eolp) (forward-char 1)))))
754
755 (defun texinfo-format-expand-region (start end)
756 (save-restriction
757 (narrow-to-region start end)
758 (let (texinfo-command-start
759 texinfo-command-end
760 texinfo-command-name
761 texinfo-stack)
762 (texinfo-format-scan))
763 (goto-char (point-max))))
764
765 (defun texinfo-parse-arg-discard ()
766 (prog1 (texinfo-parse-line-arg)
767 (texinfo-discard-command)))
768
769 (defun texinfo-discard-command ()
770 (delete-region texinfo-command-start texinfo-command-end))
771
772 (defun texinfo-optional-braces-discard ()
773 "Discard braces following command, if any."
774 (goto-char texinfo-command-end)
775 (let ((start (point)))
776 (cond ((looking-at "[ \t]*\n")) ; do nothing
777 ((looking-at "{") ; remove braces, if any
778 (forward-list 1)
779 (setq texinfo-command-end (point)))
780 (t
781 (error
782 "Invalid `texinfo-optional-braces-discard' format \(need braces?\)")))
783 (delete-region texinfo-command-start texinfo-command-end)))
784
785 (defun texinfo-format-parse-line-args ()
786 (let ((start (1- (point)))
787 next beg end
788 args)
789 (skip-chars-forward " ")
790 (while (not (eolp))
791 (setq beg (point))
792 (re-search-forward "[\n,]")
793 (setq next (point))
794 (if (bolp) (setq next (1- next)))
795 (forward-char -1)
796 (skip-chars-backward " ")
797 (setq end (point))
798 (setq args (cons (if (> end beg) (buffer-substring beg end))
799 args))
800 (goto-char next)
801 (skip-chars-forward " "))
802 (if (eolp) (forward-char 1))
803 (setq texinfo-command-end (point))
804 (nreverse args)))
805
806 (defun texinfo-format-parse-args ()
807 (let ((start (1- (point)))
808 next beg end
809 args)
810 (search-forward "{")
811 (save-excursion
812 (texinfo-format-expand-region
813 (point)
814 (save-excursion (up-list 1) (1- (point)))))
815 ;; The following does not handle cross references of the form:
816 ;; `@xref{bullet, , @code{@@bullet}@{@}}.' because the
817 ;; re-search-forward finds the first right brace after the second
818 ;; comma.
819 (while (/= (preceding-char) ?\})
820 (skip-chars-forward " \t\n")
821 (setq beg (point))
822 (re-search-forward "[},]")
823 (setq next (point))
824 (forward-char -1)
825 (skip-chars-backward " \t\n")
826 (setq end (point))
827 (cond ((< beg end)
828 (goto-char beg)
829 (while (search-forward "\n" end t)
830 (replace-match " "))))
831 (setq args (cons (if (> end beg) (buffer-substring beg end))
832 args))
833 (goto-char next))
834 (if (eolp) (forward-char 1))
835 (setq texinfo-command-end (point))
836 (nreverse args)))
837
838 (defun texinfo-format-parse-defun-args ()
839 (goto-char texinfo-command-end)
840 (let ((start (point)))
841 (end-of-line)
842 (setq texinfo-command-end (1+ (point)))
843 (let ((marker (move-marker (make-marker) texinfo-command-end)))
844 (texinfo-format-expand-region start (point))
845 (setq texinfo-command-end (marker-position marker))
846 (move-marker marker nil))
847 (goto-char start)
848 (let ((args '())
849 beg end)
850 (skip-chars-forward " ")
851 (while (not (eolp))
852 (cond ((looking-at "{")
853 (setq beg (1+ (point)))
854 (forward-list 1)
855 (setq end (1- (point))))
856 (t
857 (setq beg (point))
858 (re-search-forward "[\n ]")
859 (forward-char -1)
860 (setq end (point))))
861 (setq args (cons (buffer-substring beg end) args))
862 (skip-chars-forward " "))
863 (forward-char 1)
864 (nreverse args))))
865
866 (defun texinfo-discard-line ()
867 (goto-char texinfo-command-end)
868 (skip-chars-forward " \t")
869 (or (eolp)
870 (error "Extraneous text at end of command line."))
871 (goto-char texinfo-command-start)
872 (or (bolp)
873 (error "Extraneous text at beginning of command line."))
874 (delete-region (point) (progn (forward-line 1) (point))))
875
876 (defun texinfo-discard-line-with-args ()
877 (goto-char texinfo-command-start)
878 (delete-region (point) (progn (forward-line 1) (point))))
879
880
881 ;;; @setfilename
882
883 ;; Only `texinfo-format-buffer' handles @setfilename with this
884 ;; definition; `texinfo-format-region' handles @setfilename, if any,
885 ;; specially.
886 (put 'setfilename 'texinfo-format 'texinfo-format-setfilename)
887 (defun texinfo-format-setfilename ()
888 (let ((arg (texinfo-parse-arg-discard)))
889 (message "Formatting Info file: %s" arg)
890 (setq texinfo-format-filename
891 (file-name-nondirectory (expand-file-name arg)))
892 (insert "Info file: "
893 texinfo-format-filename ", -*-Text-*-\n"
894 ;; Date string removed so that regression testing is easier.
895 ;; "produced on "
896 ;; (substring (current-time-string) 8 10) " "
897 ;; (substring (current-time-string) 4 7) " "
898 ;; (substring (current-time-string) -4) " "
899 "produced by `texinfo-format-buffer'\n"
900 "from file"
901 (if (buffer-file-name input-buffer)
902 (concat " `"
903 (file-name-sans-versions
904 (file-name-nondirectory
905 (buffer-file-name input-buffer)))
906 "'")
907 (concat "buffer `" (buffer-name input-buffer) "'"))
908 "\nusing `texinfmt.el' version "
909 texinfmt-version
910 ".\n\n")))
911
912 ;;; @node, @menu
913
914 (put 'node 'texinfo-format 'texinfo-format-node)
915 (put 'nwnode 'texinfo-format 'texinfo-format-node)
916 (defun texinfo-format-node ()
917 (let* ((args (texinfo-format-parse-line-args))
918 (name (nth 0 args))
919 (next (nth 1 args))
920 (prev (nth 2 args))
921 (up (nth 3 args)))
922 (texinfo-discard-command)
923 (setq texinfo-last-node name)
924 (let ((tem (downcase name)))
925 (if (assoc tem texinfo-node-names)
926 (error "Duplicate node name: %s" name)
927 (setq texinfo-node-names (cons (list tem) texinfo-node-names))))
928 (setq texinfo-footnote-number 0)
929 ;; insert "\n\^_" unconditionally since this is what info is looking for
930 (insert "\n\^_\nFile: " texinfo-format-filename
931 ", Node: " name)
932 (if next
933 (insert ", Next: " next))
934 (if prev
935 (insert ", Prev: " prev))
936 (if up
937 (insert ", Up: " up))
938 (insert ?\n)
939 (setq texinfo-last-node-pos (point))))
940
941 (put 'menu 'texinfo-format 'texinfo-format-menu)
942 (defun texinfo-format-menu ()
943 (texinfo-discard-line)
944 (insert "* Menu:\n\n"))
945
946 (put 'menu 'texinfo-end 'texinfo-discard-command)
947
948
949 ;;; Cross references
950
951 ; @xref {NODE, FNAME, NAME, FILE, DOCUMENT}
952 ; -> *Note FNAME: (FILE)NODE
953 ; If FILE is missing,
954 ; *Note FNAME: NODE
955 ; If FNAME is empty and NAME is present
956 ; *Note NAME: Node
957 ; If both NAME and FNAME are missing
958 ; *Note NODE::
959 ; texinfo ignores the DOCUMENT argument.
960 ; -> See section <xref to NODE> [NAME, else NODE], page <xref to NODE>
961 ; If FILE is specified, (FILE)NODE is used for xrefs.
962 ; If fifth argument DOCUMENT is specified, produces
963 ; See section <xref to NODE> [NAME, else NODE], page <xref to NODE>
964 ; of DOCUMENT
965
966 ; @ref a reference that does not put `See' or `see' in
967 ; the hardcopy and is the same as @xref in Info
968 (put 'ref 'texinfo-format 'texinfo-format-xref)
969
970 (put 'xref 'texinfo-format 'texinfo-format-xref)
971 (defun texinfo-format-xref ()
972 (let ((args (texinfo-format-parse-args)))
973 (texinfo-discard-command)
974 (insert "*Note ")
975 (let ((fname (or (nth 1 args) (nth 2 args))))
976 (if (null (or fname (nth 3 args)))
977 (insert (car args) "::")
978 (insert (or fname (car args)) ": ")
979 (if (nth 3 args)
980 (insert "(" (nth 3 args) ")"))
981 (insert (car args))))))
982
983 (put 'pxref 'texinfo-format 'texinfo-format-pxref)
984 (defun texinfo-format-pxref ()
985 (texinfo-format-xref)
986 (or (save-excursion
987 (forward-char -2)
988 (looking-at "::"))
989 (insert ".")))
990
991 ;@inforef{NODE, FNAME, FILE}
992 ;Like @xref{NODE, FNAME,,FILE} in texinfo.
993 ;In Tex, generates "See Info file FILE, node NODE"
994 (put 'inforef 'texinfo-format 'texinfo-format-inforef)
995 (defun texinfo-format-inforef ()
996 (let ((args (texinfo-format-parse-args)))
997 (texinfo-discard-command)
998 (if (nth 1 args)
999 (insert "*Note " (nth 1 args) ": (" (nth 2 args) ")" (car args))
1000 (insert "*Note " "(" (nth 2 args) ")" (car args) "::"))))
1001
1002
1003 ;;; Section headings
1004
1005 (put 'majorheading 'texinfo-format 'texinfo-format-chapter)
1006 (put 'chapheading 'texinfo-format 'texinfo-format-chapter)
1007 (put 'ichapter 'texinfo-format 'texinfo-format-chapter)
1008 (put 'chapter 'texinfo-format 'texinfo-format-chapter)
1009 (put 'iappendix 'texinfo-format 'texinfo-format-chapter)
1010 (put 'appendix 'texinfo-format 'texinfo-format-chapter)
1011 (put 'iunnumbered 'texinfo-format 'texinfo-format-chapter)
1012 (put 'top 'texinfo-format 'texinfo-format-chapter)
1013 (put 'unnumbered 'texinfo-format 'texinfo-format-chapter)
1014 (defun texinfo-format-chapter ()
1015 (texinfo-format-chapter-1 ?*))
1016
1017 (put 'heading 'texinfo-format 'texinfo-format-section)
1018 (put 'isection 'texinfo-format 'texinfo-format-section)
1019 (put 'section 'texinfo-format 'texinfo-format-section)
1020 (put 'iappendixsection 'texinfo-format 'texinfo-format-section)
1021 (put 'appendixsection 'texinfo-format 'texinfo-format-section)
1022 (put 'iappendixsec 'texinfo-format 'texinfo-format-section)
1023 (put 'appendixsec 'texinfo-format 'texinfo-format-section)
1024 (put 'iunnumberedsec 'texinfo-format 'texinfo-format-section)
1025 (put 'unnumberedsec 'texinfo-format 'texinfo-format-section)
1026 (defun texinfo-format-section ()
1027 (texinfo-format-chapter-1 ?=))
1028
1029 (put 'subheading 'texinfo-format 'texinfo-format-subsection)
1030 (put 'isubsection 'texinfo-format 'texinfo-format-subsection)
1031 (put 'subsection 'texinfo-format 'texinfo-format-subsection)
1032 (put 'iappendixsubsec 'texinfo-format 'texinfo-format-subsection)
1033 (put 'appendixsubsec 'texinfo-format 'texinfo-format-subsection)
1034 (put 'iunnumberedsubsec 'texinfo-format 'texinfo-format-subsection)
1035 (put 'unnumberedsubsec 'texinfo-format 'texinfo-format-subsection)
1036 (defun texinfo-format-subsection ()
1037 (texinfo-format-chapter-1 ?-))
1038
1039 (put 'subsubheading 'texinfo-format 'texinfo-format-subsubsection)
1040 (put 'isubsubsection 'texinfo-format 'texinfo-format-subsubsection)
1041 (put 'subsubsection 'texinfo-format 'texinfo-format-subsubsection)
1042 (put 'iappendixsubsubsec 'texinfo-format 'texinfo-format-subsubsection)
1043 (put 'appendixsubsubsec 'texinfo-format 'texinfo-format-subsubsection)
1044 (put 'iunnumberedsubsubsec 'texinfo-format 'texinfo-format-subsubsection)
1045 (put 'unnumberedsubsubsec 'texinfo-format 'texinfo-format-subsubsection)
1046 (defun texinfo-format-subsubsection ()
1047 (texinfo-format-chapter-1 ?.))
1048
1049 (defun texinfo-format-chapter-1 (belowchar)
1050 (let ((arg (texinfo-parse-arg-discard)))
1051 (message "Formatting: %s ... " arg) ; So we can see where we are.
1052 (insert ?\n arg ?\n "@SectionPAD " belowchar ?\n)
1053 (forward-line -2)))
1054
1055 (put 'SectionPAD 'texinfo-format 'texinfo-format-sectionpad)
1056 (defun texinfo-format-sectionpad ()
1057 (let ((str (texinfo-parse-arg-discard)))
1058 (forward-char -1)
1059 (let ((column (current-column)))
1060 (forward-char 1)
1061 (while (> column 0)
1062 (insert str)
1063 (setq column (1- column))))
1064 (insert ?\n)))
1065
1066
1067 ;;; Space controlling commands: @. and @:, and the soft hyphen.
1068
1069 (put '\. 'texinfo-format 'texinfo-format-\.)
1070 (defun texinfo-format-\. ()
1071 (texinfo-discard-command)
1072 (insert "."))
1073
1074 (put '\: 'texinfo-format 'texinfo-format-\:)
1075 (defun texinfo-format-\: ()
1076 (texinfo-discard-command))
1077
1078 (put '\- 'texinfo-format 'texinfo-format-soft-hyphen)
1079 (defun texinfo-format-soft-hyphen ()
1080 (texinfo-discard-command))
1081
1082
1083 ;;; @center, @sp, and @br
1084
1085 (put 'center 'texinfo-format 'texinfo-format-center)
1086 (defun texinfo-format-center ()
1087 (let ((arg (texinfo-parse-expanded-arg)))
1088 (texinfo-discard-command)
1089 (insert arg)
1090 (insert ?\n)
1091 (save-restriction
1092 (goto-char (1- (point)))
1093 (let ((indent-tabs-mode nil))
1094 (center-line)))))
1095
1096 (put 'sp 'texinfo-format 'texinfo-format-sp)
1097 (defun texinfo-format-sp ()
1098 (let* ((arg (texinfo-parse-arg-discard))
1099 (num (read arg)))
1100 (insert-char ?\n num)))
1101
1102 (put 'br 'texinfo-format 'texinfo-format-paragraph-break)
1103 (defun texinfo-format-paragraph-break ()
1104 "Force a paragraph break.
1105 If used within a line, follow `@br' with braces."
1106 (texinfo-optional-braces-discard)
1107 ;; insert one return if at end of line;
1108 ;; else insert two returns, to generate a blank line.
1109 (if (= (following-char) ?\n)
1110 (insert ?\n)
1111 (insert-char ?\n 2)))
1112
1113
1114 ;;; @footnote and @footnotestyle
1115
1116 ; In Texinfo, footnotes are created with the `@footnote' command.
1117 ; This command is followed immediately by a left brace, then by the text of
1118 ; the footnote, and then by a terminating right brace. The
1119 ; template for a footnote is:
1120 ;
1121 ; @footnote{TEXT}
1122 ;
1123 ; Info has two footnote styles:
1124 ;
1125 ; * In the End of node style, all the footnotes for a single node
1126 ; are placed at the end of that node. The footnotes are
1127 ; separated from the rest of the node by a line of dashes with
1128 ; the word `Footnotes' within it.
1129 ;
1130 ; * In the Separate node style, all the footnotes for a single node
1131 ; are placed in an automatically constructed node of their own.
1132
1133 ; Footnote style is specified by the @footnotestyle command, either
1134 ; @footnotestyle separate
1135 ; or
1136 ; @footnotestyle end
1137 ;
1138 ; The default is separate
1139
1140 (defvar texinfo-footnote-style "separate"
1141 "Footnote style, either separate or end.")
1142
1143 (put 'footnotestyle 'texinfo-format 'texinfo-footnotestyle)
1144 (defun texinfo-footnotestyle ()
1145 "Specify whether footnotes are at end of node or in separate nodes.
1146 Argument is either end or separate."
1147 (setq texinfo-footnote-style (texinfo-parse-arg-discard)))
1148
1149 (defvar texinfo-footnote-number)
1150
1151 (put 'footnote 'texinfo-format 'texinfo-format-footnote)
1152 (defun texinfo-format-footnote ()
1153 "Format a footnote in either end of node or separate node style.
1154 The texinfo-footnote-style variable controls which style is used."
1155 (setq texinfo-footnote-number (1+ texinfo-footnote-number))
1156 (cond ((string= texinfo-footnote-style "end")
1157 (texinfo-format-end-node))
1158 ((string= texinfo-footnote-style "separate")
1159 (texinfo-format-separate-node))))
1160
1161 (defun texinfo-format-separate-node ()
1162 "Format footnote in Separate node style, with notes in own node.
1163 The node is constructed automatically."
1164 (let* (start
1165 (arg (texinfo-parse-line-arg))
1166 (node-name-beginning
1167 (save-excursion
1168 (re-search-backward
1169 "^File: \\w+\\(\\w\\|\\s_\\|\\.\\|,\\)*[ \t]+Node:")
1170 (match-end 0)))
1171 (node-name
1172 (save-excursion
1173 (buffer-substring
1174 (progn (goto-char node-name-beginning) ; skip over node command
1175 (skip-chars-forward " \t") ; and over spaces
1176 (point))
1177 (if (search-forward
1178 ","
1179 (save-excursion (end-of-line) (point)) t) ; bound search
1180 (1- (point))
1181 (end-of-line) (point))))))
1182 (texinfo-discard-command) ; remove or insert whitespace, as needed
1183 (delete-region (save-excursion (skip-chars-backward " \t\n") (point))
1184 (point))
1185 (insert (format " (%d) (*Note %s-Footnotes::)"
1186 texinfo-footnote-number node-name))
1187 (fill-paragraph nil)
1188 (save-excursion
1189 (if (re-search-forward "^@node" nil 'move)
1190 (forward-line -1))
1191
1192 ;; two cases: for the first footnote, we must insert a node header;
1193 ;; for the second and subsequent footnotes, we need only insert
1194 ;; the text of the footnote.
1195
1196 (if (save-excursion
1197 (re-search-backward
1198 (concat node-name "-Footnotes, Up: ")
1199 node-name-beginning
1200 t))
1201 (progn ; already at least one footnote
1202 (setq start (point))
1203 (insert (format "\n(%d) %s\n" texinfo-footnote-number arg))
1204 (fill-region start (point)))
1205 ;; else not yet a footnote
1206 (insert "\n\^_\nFile: " texinfo-format-filename
1207 " Node: " node-name "-Footnotes, Up: " node-name "\n")
1208 (setq start (point))
1209 (insert (format "\n(%d) %s\n" texinfo-footnote-number arg))
1210 (fill-region start (point))))))
1211
1212 (defun texinfo-format-end-node ()
1213 "Format footnote in the End of node style, with notes at end of node."
1214 (let (start
1215 (arg (texinfo-parse-line-arg)))
1216 (texinfo-discard-command) ; remove or insert whitespace, as needed
1217 (delete-region (save-excursion (skip-chars-backward " \t\n") (point))
1218 (point))
1219 (insert (format " (%d) " texinfo-footnote-number))
1220 (fill-paragraph nil)
1221 (save-excursion
1222 (if (search-forward "\n--------- Footnotes ---------\n" nil t)
1223 (progn ; already have footnote, put new one before end of node
1224 (if (re-search-forward "^@node" nil 'move)
1225 (forward-line -1))
1226 (setq start (point))
1227 (insert (format "\n(%d) %s\n" texinfo-footnote-number arg))
1228 (fill-region start (point)))
1229 ;; else no prior footnote
1230 (if (re-search-forward "^@node" nil 'move)
1231 (forward-line -1))
1232 (insert "\n--------- Footnotes ---------\n")
1233 (setq start (point))
1234 (insert (format "\n(%d) %s\n" texinfo-footnote-number arg))))))
1235
1236
1237 ;;; @itemize, @enumerate, and similar commands
1238
1239 ;; @itemize pushes (itemize "COMMANDS" STARTPOS) on texinfo-stack.
1240 ;; @enumerate pushes (enumerate 0 STARTPOS).
1241 ;; @item dispatches to the texinfo-item prop of the first elt of the list.
1242 ;; For itemize, this puts in and rescans the COMMANDS.
1243 ;; For enumerate, this increments the number and puts it in.
1244 ;; In either case, it puts a Backspace at the front of the line
1245 ;; which marks it not to be indented later.
1246 ;; All other lines get indented by 5 when the @end is reached.
1247
1248 (defvar texinfo-stack-depth 0
1249 "Count of number of unpopped texinfo-push-stack calls.
1250 Used by @refill indenting command to avoid indenting within lists, etc.")
1251
1252 (defun texinfo-push-stack (check arg)
1253 (setq texinfo-stack-depth (1+ texinfo-stack-depth))
1254 (setq texinfo-stack
1255 (cons (list check arg texinfo-command-start)
1256 texinfo-stack)))
1257
1258 (defun texinfo-pop-stack (check)
1259 (setq texinfo-stack-depth (1- texinfo-stack-depth))
1260 (if (null texinfo-stack)
1261 (error "Unmatched @end %s" check))
1262 (if (not (eq (car (car texinfo-stack)) check))
1263 (error "@end %s matches @%s"
1264 check (car (car texinfo-stack))))
1265 (prog1 (cdr (car texinfo-stack))
1266 (setq texinfo-stack (cdr texinfo-stack))))
1267
1268 (put 'itemize 'texinfo-format 'texinfo-itemize)
1269 (defun texinfo-itemize ()
1270 (texinfo-push-stack
1271 'itemize
1272 (progn (skip-chars-forward " \t")
1273 (if (eolp)
1274 "@bullet"
1275 (texinfo-parse-line-arg))))
1276 (texinfo-discard-line-with-args)
1277 (setq fill-column (- fill-column 5)))
1278
1279 (put 'itemize 'texinfo-end 'texinfo-end-itemize)
1280 (defun texinfo-end-itemize ()
1281 (setq fill-column (+ fill-column 5))
1282 (texinfo-discard-command)
1283 (let ((stacktop
1284 (texinfo-pop-stack 'itemize)))
1285 (texinfo-do-itemize (nth 1 stacktop))))
1286
1287 (put 'enumerate 'texinfo-format 'texinfo-enumerate)
1288 (defun texinfo-enumerate ()
1289 (texinfo-push-stack
1290 'enumerate
1291 (progn (skip-chars-forward " \t")
1292 (if (eolp)
1293 1
1294 (read (current-buffer)))))
1295 (if (and (symbolp (car (cdr (car texinfo-stack))))
1296 (> 1 (length (symbol-name (car (cdr (car texinfo-stack)))))))
1297 (error
1298 "@enumerate: Use a number or letter, eg: 1, A, a, 3, B, or d." ))
1299 (texinfo-discard-line-with-args)
1300 (setq fill-column (- fill-column 5)))
1301
1302 (put 'enumerate 'texinfo-end 'texinfo-end-enumerate)
1303 (defun texinfo-end-enumerate ()
1304 (setq fill-column (+ fill-column 5))
1305 (texinfo-discard-command)
1306 (let ((stacktop
1307 (texinfo-pop-stack 'enumerate)))
1308 (texinfo-do-itemize (nth 1 stacktop))))
1309
1310 ;; @alphaenumerate never became a standard part of Texinfo
1311 (put 'alphaenumerate 'texinfo-format 'texinfo-alphaenumerate)
1312 (defun texinfo-alphaenumerate ()
1313 (texinfo-push-stack 'alphaenumerate (1- ?a))
1314 (setq fill-column (- fill-column 5))
1315 (texinfo-discard-line))
1316
1317 (put 'alphaenumerate 'texinfo-end 'texinfo-end-alphaenumerate)
1318 (defun texinfo-end-alphaenumerate ()
1319 (setq fill-column (+ fill-column 5))
1320 (texinfo-discard-command)
1321 (let ((stacktop
1322 (texinfo-pop-stack 'alphaenumerate)))
1323 (texinfo-do-itemize (nth 1 stacktop))))
1324
1325 ;; @capsenumerate never became a standard part of Texinfo
1326 (put 'capsenumerate 'texinfo-format 'texinfo-capsenumerate)
1327 (defun texinfo-capsenumerate ()
1328 (texinfo-push-stack 'capsenumerate (1- ?A))
1329 (setq fill-column (- fill-column 5))
1330 (texinfo-discard-line))
1331
1332 (put 'capsenumerate 'texinfo-end 'texinfo-end-capsenumerate)
1333 (defun texinfo-end-capsenumerate ()
1334 (setq fill-column (+ fill-column 5))
1335 (texinfo-discard-command)
1336 (let ((stacktop
1337 (texinfo-pop-stack 'capsenumerate)))
1338 (texinfo-do-itemize (nth 1 stacktop))))
1339
1340 ;; At the @end, indent all the lines within the construct
1341 ;; except those marked with backspace. FROM says where
1342 ;; construct started.
1343 (defun texinfo-do-itemize (from)
1344 (save-excursion
1345 (while (progn (forward-line -1)
1346 (>= (point) from))
1347 (if (= (following-char) ?\b)
1348 (save-excursion
1349 (delete-char 1)
1350 (end-of-line)
1351 (delete-char 6))
1352 (if (not (looking-at "[ \t]*$"))
1353 (save-excursion (insert " ")))))))
1354
1355 (put 'item 'texinfo-format 'texinfo-item)
1356 (put 'itemx 'texinfo-format 'texinfo-item)
1357 (defun texinfo-item ()
1358 (funcall (get (car (car texinfo-stack)) 'texinfo-item)))
1359
1360 (put 'itemize 'texinfo-item 'texinfo-itemize-item)
1361 (defun texinfo-itemize-item ()
1362 ;; (texinfo-discard-line) ; Did not handle text on same line as @item.
1363 (delete-region (1+ (point)) (save-excursion (beginning-of-line) (point)))
1364 (if (looking-at "[ \t]*[^ \t\n]+")
1365 ;; Text on same line as @item command.
1366 (insert "\b " (nth 1 (car texinfo-stack)) " \n")
1367 ;; Else text on next line.
1368 (insert "\b " (nth 1 (car texinfo-stack)) " "))
1369 (forward-line -1))
1370
1371 (put 'enumerate 'texinfo-item 'texinfo-enumerate-item)
1372 (defun texinfo-enumerate-item ()
1373 (texinfo-discard-line)
1374 (let (enumerating-symbol)
1375 (cond ((integerp (car (cdr (car texinfo-stack))))
1376 (setq enumerating-symbol (car (cdr (car texinfo-stack))))
1377 (insert ?\b (format "%3d. " enumerating-symbol) ?\n)
1378 (setcar (cdr (car texinfo-stack)) (1+ enumerating-symbol)))
1379 ((symbolp (car (cdr (car texinfo-stack))))
1380 (setq enumerating-symbol
1381 (symbol-name (car (cdr (car texinfo-stack)))))
1382 (if (or (equal ?\[ (string-to-char enumerating-symbol))
1383 (equal ?\{ (string-to-char enumerating-symbol)))
1384 (error
1385 "Too many items in enumerated list; alphabet ends at Z."))
1386 (insert ?\b (format "%3s. " enumerating-symbol) ?\n)
1387 (setcar (cdr (car texinfo-stack))
1388 (make-symbol
1389 (char-to-string
1390 (1+
1391 (string-to-char enumerating-symbol))))))
1392 (t
1393 (error
1394 "@enumerate: Use a number or letter, eg: 1, A, a, 3, B or d." )))
1395 (forward-line -1)))
1396
1397 (put 'alphaenumerate 'texinfo-item 'texinfo-alphaenumerate-item)
1398 (defun texinfo-alphaenumerate-item ()
1399 (texinfo-discard-line)
1400 (let ((next (1+ (car (cdr (car texinfo-stack))))))
1401 (if (> next ?z)
1402 (error "More than 26 items in @alphaenumerate; get a bigger alphabet."))
1403 (setcar (cdr (car texinfo-stack)) next)
1404 (insert "\b " next ". \n"))
1405 (forward-line -1))
1406
1407 (put 'capsenumerate 'texinfo-item 'texinfo-capsenumerate-item)
1408 (defun texinfo-capsenumerate-item ()
1409 (texinfo-discard-line)
1410 (let ((next (1+ (car (cdr (car texinfo-stack))))))
1411 (if (> next ?Z)
1412 (error "More than 26 items in @capsenumerate; get a bigger alphabet."))
1413 (setcar (cdr (car texinfo-stack)) next)
1414 (insert "\b " next ". \n"))
1415 (forward-line -1))
1416
1417
1418 ;;; @table
1419
1420 ; The `@table' command produces two-column tables.
1421
1422 (put 'table 'texinfo-format 'texinfo-table)
1423 (defun texinfo-table ()
1424 (texinfo-push-stack
1425 'table
1426 (progn (skip-chars-forward " \t")
1427 (if (eolp)
1428 "@asis"
1429 (texinfo-parse-line-arg))))
1430 (texinfo-discard-line-with-args)
1431 (setq fill-column (- fill-column 5)))
1432
1433 (put 'table 'texinfo-item 'texinfo-table-item)
1434 (defun texinfo-table-item ()
1435 (let ((arg (texinfo-parse-arg-discard))
1436 (itemfont (car (cdr (car texinfo-stack)))))
1437 (insert ?\b itemfont ?\{ arg "}\n \n"))
1438 (forward-line -2))
1439
1440 (put 'table 'texinfo-end 'texinfo-end-table)
1441 (defun texinfo-end-table ()
1442 (setq fill-column (+ fill-column 5))
1443 (texinfo-discard-command)
1444 (let ((stacktop
1445 (texinfo-pop-stack 'table)))
1446 (texinfo-do-itemize (nth 1 stacktop))))
1447
1448 ;; @description appears to be an undocumented variant on @table that
1449 ;; does not require an arg. It fails in texinfo.tex 2.58 and is not
1450 ;; part of makeinfo.c The command appears to be a relic of the past.
1451 (put 'description 'texinfo-end 'texinfo-end-table)
1452 (put 'description 'texinfo-format 'texinfo-description)
1453 (defun texinfo-description ()
1454 (texinfo-push-stack 'table "@asis")
1455 (setq fill-column (- fill-column 5))
1456 (texinfo-discard-line))
1457
1458
1459 ;;; @ftable, @vtable
1460
1461 ; The `@ftable' and `@vtable' commands are like the `@table' command
1462 ; but they also insert each entry in the first column of the table
1463 ; into the function or variable index.
1464
1465 ;; Handle the @ftable and @vtable commands:
1466
1467 (put 'ftable 'texinfo-format 'texinfo-ftable)
1468 (put 'vtable 'texinfo-format 'texinfo-vtable)
1469
1470 (defun texinfo-ftable () (texinfo-indextable 'ftable))
1471 (defun texinfo-vtable () (texinfo-indextable 'vtable))
1472
1473 (defun texinfo-indextable (table-type)
1474 (texinfo-push-stack table-type (texinfo-parse-arg-discard))
1475 (setq fill-column (- fill-column 5)))
1476
1477 ;; Handle the @item commands within ftable and vtable:
1478
1479 (put 'ftable 'texinfo-item 'texinfo-ftable-item)
1480 (put 'vtable 'texinfo-item 'texinfo-vtable-item)
1481
1482 (defun texinfo-ftable-item () (texinfo-indextable-item 'texinfo-findex))
1483 (defun texinfo-vtable-item () (texinfo-indextable-item 'texinfo-vindex))
1484
1485 (defun texinfo-indextable-item (index-type)
1486 (let ((item (texinfo-parse-arg-discard))
1487 (itemfont (car (cdr (car texinfo-stack))))
1488 (indexvar index-type))
1489 (insert ?\b itemfont ?\{ item "}\n \n")
1490 (set indexvar
1491 (cons
1492 (list item texinfo-last-node)
1493 (symbol-value indexvar)))
1494 (forward-line -2)))
1495
1496 ;; Handle @end ftable, @end vtable
1497
1498 (put 'ftable 'texinfo-end 'texinfo-end-ftable)
1499 (put 'vtable 'texinfo-end 'texinfo-end-vtable)
1500
1501 (defun texinfo-end-ftable () (texinfo-end-indextable 'ftable))
1502 (defun texinfo-end-vtable () (texinfo-end-indextable 'vtable))
1503
1504 (defun texinfo-end-indextable (table-type)
1505 (setq fill-column (+ fill-column 5))
1506 (texinfo-discard-command)
1507 (let ((stacktop
1508 (texinfo-pop-stack table-type)))
1509 (texinfo-do-itemize (nth 1 stacktop))))
1510
1511
1512 ;;; @ifinfo, @iftex, @tex, @ifhtml, @html
1513
1514 (put 'ifinfo 'texinfo-format 'texinfo-discard-line)
1515 (put 'ifinfo 'texinfo-end 'texinfo-discard-command)
1516
1517 (put 'iftex 'texinfo-format 'texinfo-format-iftex)
1518 (defun texinfo-format-iftex ()
1519 (delete-region texinfo-command-start
1520 (progn (re-search-forward "@end iftex[ \t]*\n")
1521 (point))))
1522
1523 (put 'ifhtml 'texinfo-format 'texinfo-format-ifhtml)
1524 (defun texinfo-format-ifhtml ()
1525 (delete-region texinfo-command-start
1526 (progn (re-search-forward "@end ifhtml[ \t]*\n")
1527 (point))))
1528
1529 (put 'tex 'texinfo-format 'texinfo-format-tex)
1530 (defun texinfo-format-tex ()
1531 (delete-region texinfo-command-start
1532 (progn (re-search-forward "@end tex[ \t]*\n")
1533 (point))))
1534
1535 (put 'html 'texinfo-format 'texinfo-format-html)
1536 (defun texinfo-format-html ()
1537 (delete-region texinfo-command-start
1538 (progn (re-search-forward "@end html[ \t]*\n")
1539 (point))))
1540
1541
1542 ;;; @titlepage
1543
1544 (put 'titlepage 'texinfo-format 'texinfo-format-titlepage)
1545 (defun texinfo-format-titlepage ()
1546 (delete-region texinfo-command-start
1547 (progn (re-search-forward "@end titlepage[ \t]*\n")
1548 (point))))
1549
1550 (put 'endtitlepage 'texinfo-format 'texinfo-discard-line)
1551
1552 ; @titlespec an alternative titling command; ignored by Info
1553
1554 (put 'titlespec 'texinfo-format 'texinfo-format-titlespec)
1555 (defun texinfo-format-titlespec ()
1556 (delete-region texinfo-command-start
1557 (progn (re-search-forward "@end titlespec[ \t]*\n")
1558 (point))))
1559
1560 (put 'endtitlespec 'texinfo-format 'texinfo-discard-line)
1561
1562
1563 ;;; @today
1564
1565 (put 'today 'texinfo-format 'texinfo-format-today)
1566
1567 ; Produces Day Month Year style of output. eg `1 Jan 1900'
1568 ; The `@today{}' command requires a pair of braces, like `@dots{}'.
1569 (defun texinfo-format-today ()
1570 (texinfo-parse-arg-discard)
1571 (insert (format "%s %s %s"
1572 (substring (current-time-string) 8 10)
1573 (substring (current-time-string) 4 7)
1574 (substring (current-time-string) -4))))
1575
1576
1577 ;;; @ignore
1578
1579 (put 'ignore 'texinfo-format 'texinfo-format-ignore)
1580 (defun texinfo-format-ignore ()
1581 (delete-region texinfo-command-start
1582 (progn (re-search-forward "@end ignore[ \t]*\n")
1583 (point))))
1584
1585 (put 'endignore 'texinfo-format 'texinfo-discard-line)
1586
1587
1588 ;;; Define the Info enclosure command: @definfoenclose
1589
1590 ; A `@definfoenclose' command may be used to define a highlighting
1591 ; command for Info, but not for TeX. A command defined using
1592 ; `@definfoenclose' marks text by enclosing it in strings that precede
1593 ; and follow the text.
1594 ;
1595 ; Presumably, if you define a command with `@definfoenclose` for Info,
1596 ; you will also define the same command in the TeX definitions file,
1597 ; `texinfo.tex' in a manner appropriate for typesetting.
1598 ;
1599 ; Write a `@definfoenclose' command on a line and follow it with three
1600 ; arguments separated by commas (commas are used as separators in an
1601 ; `@node' line in the same way). The first argument to
1602 ; `@definfoenclose' is the @-command name \(without the `@'\); the
1603 ; second argument is the Info start delimiter string; and the third
1604 ; argument is the Info end delimiter string. The latter two arguments
1605 ; enclose the highlighted text in the Info file. A delimiter string
1606 ; may contain spaces. Neither the start nor end delimiter is
1607 ; required. However, if you do not provide a start delimiter, you
1608 ; must follow the command name with two commas in a row; otherwise,
1609 ; the Info formatting commands will misinterpret the end delimiter
1610 ; string as a start delimiter string.
1611 ;
1612 ; If you do a @definfoenclose{} on the name of a pre-defined macro (such
1613 ; as @emph{}, @strong{}, @tt{}, or @i{}) the enclosure definition will
1614 ; override the built-in definition.
1615 ;
1616 ; An enclosure command defined this way takes one argument in braces.
1617 ;
1618 ; For example, you can write:
1619 ;
1620 ; @ifinfo
1621 ; @definfoenclose phoo, //, \\
1622 ; @end ifinfo
1623 ;
1624 ; near the beginning of a Texinfo file at the beginning of the lines
1625 ; to define `@phoo' as an Info formatting command that inserts `//'
1626 ; before and `\\' after the argument to `@phoo'. You can then write
1627 ; `@phoo{bar}' wherever you want `//bar\\' highlighted in Info.
1628 ;
1629 ; Also, for TeX formatting, you could write
1630 ;
1631 ; @iftex
1632 ; @global@let@phoo=@i
1633 ; @end iftex
1634 ;
1635 ; to define `@phoo' as a command that causes TeX to typeset
1636 ; the argument to `@phoo' in italics.
1637 ;
1638 ; Note that each definition applies to its own formatter: one for TeX,
1639 ; the other for texinfo-format-buffer or texinfo-format-region.
1640 ;
1641 ; Here is another example: write
1642 ;
1643 ; @definfoenclose headword, , :
1644 ;
1645 ; near the beginning of the file, to define `@headword' as an Info
1646 ; formatting command that inserts nothing before and a colon after the
1647 ; argument to `@headword'.
1648
1649 (put 'definfoenclose 'texinfo-format 'texinfo-define-info-enclosure)
1650 (defun texinfo-define-info-enclosure ()
1651 (let* ((args (texinfo-format-parse-line-args))
1652 (command-name (nth 0 args))
1653 (beginning-delimiter (or (nth 1 args) ""))
1654 (end-delimiter (or (nth 2 args) "")))
1655 (texinfo-discard-command)
1656 (setq texinfo-enclosure-list
1657 (cons
1658 (list command-name
1659 (list
1660 beginning-delimiter
1661 end-delimiter))
1662 texinfo-enclosure-list))))
1663
1664
1665 ;;; @var, @code and the like
1666
1667 (put 'var 'texinfo-format 'texinfo-format-var)
1668 ; @sc a small caps font for TeX; formatted as `var' in Info
1669 (put 'sc 'texinfo-format 'texinfo-format-var)
1670 (defun texinfo-format-var ()
1671 (insert (upcase (texinfo-parse-arg-discard)))
1672 (goto-char texinfo-command-start))
1673
1674 ; various noops
1675
1676 (put 'b 'texinfo-format 'texinfo-format-noop)
1677 (put 'i 'texinfo-format 'texinfo-format-noop)
1678 (put 'r 'texinfo-format 'texinfo-format-noop)
1679 (put 't 'texinfo-format 'texinfo-format-noop)
1680 (put 'w 'texinfo-format 'texinfo-format-noop)
1681 (put 'asis 'texinfo-format 'texinfo-format-noop)
1682 (put 'dmn 'texinfo-format 'texinfo-format-noop)
1683 (put 'key 'texinfo-format 'texinfo-format-noop)
1684 (put 'math 'texinfo-format 'texinfo-format-noop)
1685 (put 'titlefont 'texinfo-format 'texinfo-format-noop)
1686 (defun texinfo-format-noop ()
1687 (insert (texinfo-parse-arg-discard))
1688 (goto-char texinfo-command-start))
1689
1690 (put 'cite 'texinfo-format 'texinfo-format-code)
1691 (put 'code 'texinfo-format 'texinfo-format-code)
1692 (put 'file 'texinfo-format 'texinfo-format-code)
1693 (put 'kbd 'texinfo-format 'texinfo-format-code)
1694 (put 'samp 'texinfo-format 'texinfo-format-code)
1695 (defun texinfo-format-code ()
1696 (insert "`" (texinfo-parse-arg-discard) "'")
1697 (goto-char texinfo-command-start))
1698
1699 (put 'emph 'texinfo-format 'texinfo-format-emph)
1700 (put 'strong 'texinfo-format 'texinfo-format-emph)
1701 (defun texinfo-format-emph ()
1702 (insert "*" (texinfo-parse-arg-discard) "*")
1703 (goto-char texinfo-command-start))
1704
1705 (put 'dfn 'texinfo-format 'texinfo-format-defn)
1706 (put 'defn 'texinfo-format 'texinfo-format-defn)
1707 (defun texinfo-format-defn ()
1708 (insert "\"" (texinfo-parse-arg-discard) "\"")
1709 (goto-char texinfo-command-start))
1710
1711 (put 'bullet 'texinfo-format 'texinfo-format-bullet)
1712 (defun texinfo-format-bullet ()
1713 "Insert an asterisk.
1714 If used within a line, follow `@bullet' with braces."
1715 (texinfo-optional-braces-discard)
1716 (insert "*"))
1717
1718
1719 ;;; @example, @lisp, @quotation, @display, @smalllisp, @smallexample
1720
1721 (put 'display 'texinfo-format 'texinfo-format-example)
1722 (put 'example 'texinfo-format 'texinfo-format-example)
1723 (put 'lisp 'texinfo-format 'texinfo-format-example)
1724 (put 'quotation 'texinfo-format 'texinfo-format-example)
1725 (put 'smallexample 'texinfo-format 'texinfo-format-example)
1726 (put 'smalllisp 'texinfo-format 'texinfo-format-example)
1727 (defun texinfo-format-example ()
1728 (texinfo-push-stack 'example nil)
1729 (setq fill-column (- fill-column 5))
1730 (texinfo-discard-line))
1731
1732 (put 'example 'texinfo-end 'texinfo-end-example)
1733 (put 'display 'texinfo-end 'texinfo-end-example)
1734 (put 'lisp 'texinfo-end 'texinfo-end-example)
1735 (put 'quotation 'texinfo-end 'texinfo-end-example)
1736 (put 'smallexample 'texinfo-end 'texinfo-end-example)
1737 (put 'smalllisp 'texinfo-end 'texinfo-end-example)
1738 (defun texinfo-end-example ()
1739 (setq fill-column (+ fill-column 5))
1740 (texinfo-discard-command)
1741 (let ((stacktop
1742 (texinfo-pop-stack 'example)))
1743 (texinfo-do-itemize (nth 1 stacktop))))
1744
1745 (put 'exdent 'texinfo-format 'texinfo-format-exdent)
1746 (defun texinfo-format-exdent ()
1747 (texinfo-discard-command)
1748 (delete-region (point)
1749 (progn
1750 (skip-chars-forward " ")
1751 (point)))
1752 (insert ?\b)
1753 ;; Cancel out the deletion that texinfo-do-itemize
1754 ;; is going to do at the end of this line.
1755 (save-excursion
1756 (end-of-line)
1757 (insert "\n ")))
1758
1759
1760 ;;; @cartouche
1761
1762 ; The @cartouche command is a noop in Info; in a printed manual,
1763 ; it makes a box with rounded corners.
1764
1765 (put 'cartouche 'texinfo-format 'texinfo-discard-line)
1766 (put 'cartouche 'texinfo-end 'texinfo-discard-command)
1767
1768
1769 ;;; @flushleft and @format
1770
1771 ; The @flushleft command left justifies every line but leaves the
1772 ; right end ragged. As far as Info is concerned, @flushleft is a
1773 ; `do-nothing' command
1774
1775 ; The @format command is similar to @example except that it does not
1776 ; indent; this means that in Info, @format is similar to @flushleft.
1777
1778 (put 'format 'texinfo-format 'texinfo-format-flushleft)
1779 (put 'flushleft 'texinfo-format 'texinfo-format-flushleft)
1780 (defun texinfo-format-flushleft ()
1781 (texinfo-discard-line))
1782
1783 (put 'format 'texinfo-end 'texinfo-end-flushleft)
1784 (put 'flushleft 'texinfo-end 'texinfo-end-flushleft)
1785 (defun texinfo-end-flushleft ()
1786 (texinfo-discard-command))
1787
1788
1789 ;;; @flushright
1790
1791 ; The @flushright command right justifies every line but leaves the
1792 ; left end ragged. Spaces and tabs at the right ends of lines are
1793 ; removed so that visible text lines up on the right side.
1794
1795 (put 'flushright 'texinfo-format 'texinfo-format-flushright)
1796 (defun texinfo-format-flushright ()
1797 (texinfo-push-stack 'flushright nil)
1798 (texinfo-discard-line))
1799
1800 (put 'flushright 'texinfo-end 'texinfo-end-flushright)
1801 (defun texinfo-end-flushright ()
1802 (texinfo-discard-command)
1803
1804 (let ((stacktop
1805 (texinfo-pop-stack 'flushright)))
1806
1807 (texinfo-do-flushright (nth 1 stacktop))))
1808
1809 (defun texinfo-do-flushright (from)
1810 (save-excursion
1811 (while (progn (forward-line -1)
1812 (>= (point) from))
1813
1814 (beginning-of-line)
1815 (insert
1816 (make-string
1817 (- fill-column
1818 (save-excursion
1819 (end-of-line)
1820 (skip-chars-backward " \t")
1821 (delete-region (point) (progn (end-of-line) (point)))
1822 (current-column)))
1823 ? )))))
1824
1825
1826 ;;; @ctrl, @TeX, @copyright, @minus, @dots
1827
1828 (put 'ctrl 'texinfo-format 'texinfo-format-ctrl)
1829 (defun texinfo-format-ctrl ()
1830 (let ((str (texinfo-parse-arg-discard)))
1831 (insert (logand 31 (aref str 0)))))
1832
1833 (put 'TeX 'texinfo-format 'texinfo-format-TeX)
1834 (defun texinfo-format-TeX ()
1835 (texinfo-parse-arg-discard)
1836 (insert "TeX"))
1837
1838 (put 'copyright 'texinfo-format 'texinfo-format-copyright)
1839 (defun texinfo-format-copyright ()
1840 (texinfo-parse-arg-discard)
1841 (insert "(C)"))
1842
1843 (put 'minus 'texinfo-format 'texinfo-format-minus)
1844 (defun texinfo-format-minus ()
1845 "Insert a minus sign.
1846 If used within a line, follow `@minus' with braces."
1847 (texinfo-optional-braces-discard)
1848 (insert "-"))
1849
1850 (put 'dots 'texinfo-format 'texinfo-format-dots)
1851 (defun texinfo-format-dots ()
1852 (texinfo-parse-arg-discard)
1853 (insert "..."))
1854
1855 (put 'enddots 'texinfo-format 'texinfo-format-enddots)
1856 (defun texinfo-format-enddots ()
1857 (texinfo-parse-arg-discard)
1858 (insert "...."))
1859
1860
1861 ;;; Refilling and indenting: @refill, @paragraphindent, @noindent
1862
1863 ;;; Indent only those paragraphs that are refilled as a result of an
1864 ;;; @refill command.
1865
1866 ; * If the value is `asis', do not change the existing indentation at
1867 ; the starts of paragraphs.
1868
1869 ; * If the value zero, delete any existing indentation.
1870
1871 ; * If the value is greater than zero, indent each paragraph by that
1872 ; number of spaces.
1873
1874 ;;; But do not refill paragraphs with an @refill command that are
1875 ;;; preceded by @noindent or are part of a table, list, or deffn.
1876
1877 (defvar texinfo-paragraph-indent "asis"
1878 "Number of spaces for @refill to indent a paragraph; else to leave as is.")
1879
1880 (put 'paragraphindent 'texinfo-format 'texinfo-paragraphindent)
1881
1882 (defun texinfo-paragraphindent ()
1883 "Specify the number of spaces for @refill to indent a paragraph.
1884 Default is to leave the number of spaces as is."
1885 (let ((arg (texinfo-parse-arg-discard)))
1886 (if (string= "asis" arg)
1887 (setq texinfo-paragraph-indent "asis")
1888 (setq texinfo-paragraph-indent (string-to-int arg)))))
1889
1890 (put 'refill 'texinfo-format 'texinfo-format-refill)
1891 (defun texinfo-format-refill ()
1892 "Refill paragraph. Also, indent first line as set by @paragraphindent.
1893 Default is to leave paragraph indentation as is."
1894 (texinfo-discard-command)
1895 (forward-paragraph -1)
1896 (if (looking-at "[ \t\n]*$") (forward-line 1))
1897 ;; Do not indent if an entry in a list, table, or deffn,
1898 ;; or if paragraph is preceded by @noindent.
1899 ;; Otherwise, indent
1900 (cond
1901 ;; delete a @noindent line and do not indent paragraph
1902 ((save-excursion (forward-line -1)
1903 (looking-at "^@noindent"))
1904 (forward-line -1)
1905 (delete-region (point) (progn (forward-line 1) (point))))
1906 ;; do nothing if "asis"
1907 ((equal texinfo-paragraph-indent "asis"))
1908 ;; do no indenting in list, etc.
1909 ((> texinfo-stack-depth 0))
1910 ;; otherwise delete existing whitespace and indent
1911 (t
1912 (delete-region (point) (progn (skip-chars-forward " \t") (point)))
1913 (insert (make-string texinfo-paragraph-indent ? ))))
1914 (forward-paragraph 1)
1915 (forward-line -1)
1916 (end-of-line)
1917 ;; Do not fill a section title line with asterisks, hyphens, etc. that
1918 ;; are used to underline it. This could occur if the line following
1919 ;; the underlining is not an index entry and has text within it.
1920 ;; XEmacs change: the standard 3.6 paragraph separators cause
1921 ;; texinfmt to fail on vm.texi so we continue to use the older version.
1922 (let* ((previous-paragraph-separate paragraph-separate)
1923 (paragraph-separate (concat paragraph-separate "\\|^[=*---.]+"))
1924 (previous-paragraph-start paragraph-start)
1925 (paragraph-start (concat paragraph-start "\\|^[=*---.]+")))
1926 (unwind-protect
1927 (fill-paragraph nil)
1928 (setq paragraph-separate previous-paragraph-separate)
1929 (setq paragraph-start previous-paragraph-start))))
1930
1931 (put 'noindent 'texinfo-format 'texinfo-noindent)
1932 (defun texinfo-noindent ()
1933 (save-excursion
1934 (forward-paragraph 1)
1935 (if (search-backward "@refill"
1936 (save-excursion (forward-line -1) (point)) t)
1937 () ; leave @noindent command so @refill command knows not to indent
1938 ;; else
1939 (texinfo-discard-line))))
1940
1941
1942 ;;; Index generation
1943
1944 (put 'vindex 'texinfo-format 'texinfo-format-vindex)
1945 (defun texinfo-format-vindex ()
1946 (texinfo-index 'texinfo-vindex))
1947
1948 (put 'cindex 'texinfo-format 'texinfo-format-cindex)
1949 (defun texinfo-format-cindex ()
1950 (texinfo-index 'texinfo-cindex))
1951
1952 (put 'findex 'texinfo-format 'texinfo-format-findex)
1953 (defun texinfo-format-findex ()
1954 (texinfo-index 'texinfo-findex))
1955
1956 (put 'pindex 'texinfo-format 'texinfo-format-pindex)
1957 (defun texinfo-format-pindex ()
1958 (texinfo-index 'texinfo-pindex))
1959
1960 (put 'tindex 'texinfo-format 'texinfo-format-tindex)
1961 (defun texinfo-format-tindex ()
1962 (texinfo-index 'texinfo-tindex))
1963
1964 (put 'kindex 'texinfo-format 'texinfo-format-kindex)
1965 (defun texinfo-format-kindex ()
1966 (texinfo-index 'texinfo-kindex))
1967
1968 (defun texinfo-index (indexvar)
1969 (let ((arg (texinfo-parse-expanded-arg)))
1970 (texinfo-discard-command)
1971 (set indexvar
1972 (cons (list arg
1973 texinfo-last-node
1974 ;; Region formatting may not provide last node position.
1975 (if texinfo-last-node-pos
1976 (1+ (count-lines texinfo-last-node-pos (point)))
1977 1))
1978 (symbol-value indexvar)))))
1979
1980 (defconst texinfo-indexvar-alist
1981 '(("cp" . texinfo-cindex)
1982 ("fn" . texinfo-findex)
1983 ("vr" . texinfo-vindex)
1984 ("tp" . texinfo-tindex)
1985 ("pg" . texinfo-pindex)
1986 ("ky" . texinfo-kindex)))
1987
1988
1989 ;;; @defindex @defcodeindex
1990 (put 'defindex 'texinfo-format 'texinfo-format-defindex)
1991 (put 'defcodeindex 'texinfo-format 'texinfo-format-defindex)
1992
1993 (defun texinfo-format-defindex ()
1994 (let* ((index-name (texinfo-parse-arg-discard)) ; eg: `aa'
1995 (indexing-command (intern (concat index-name "index")))
1996 (index-formatting-command ; eg: `texinfo-format-aaindex'
1997 (intern (concat "texinfo-format-" index-name "index")))
1998 (index-alist-name ; eg: `texinfo-aaindex'
1999 (intern (concat "texinfo-" index-name "index"))))
2000
2001 (set index-alist-name nil)
2002
2003 (put indexing-command ; eg, aaindex
2004 'texinfo-format
2005 index-formatting-command) ; eg, texinfo-format-aaindex
2006
2007 ;; eg: "aa" . texinfo-aaindex
2008 (or (assoc index-name texinfo-indexvar-alist)
2009 (setq texinfo-indexvar-alist
2010 (cons
2011 (cons index-name
2012 index-alist-name)
2013 texinfo-indexvar-alist)))
2014
2015 (fset index-formatting-command
2016 (list 'lambda 'nil
2017 (list 'texinfo-index
2018 (list 'quote index-alist-name))))))
2019
2020
2021 ;;; @synindex @syncodeindex
2022
2023 (put 'synindex 'texinfo-format 'texinfo-format-synindex)
2024 (put 'syncodeindex 'texinfo-format 'texinfo-format-synindex)
2025
2026 (defun texinfo-format-synindex ()
2027 (let* ((args (texinfo-parse-arg-discard))
2028 (second (cdr (read-from-string args)))
2029 (joiner (symbol-name (car (read-from-string args))))
2030 (joined (symbol-name (car (read-from-string args second)))))
2031
2032 (if (assoc joiner texinfo-short-index-cmds-alist)
2033 (put
2034 (cdr (assoc joiner texinfo-short-index-cmds-alist))
2035 'texinfo-format
2036 (or (cdr (assoc joined texinfo-short-index-format-cmds-alist))
2037 (intern (concat "texinfo-format-" joined "index"))))
2038 (put
2039 (intern (concat joiner "index"))
2040 'texinfo-format
2041 (or (cdr(assoc joined texinfo-short-index-format-cmds-alist))
2042 (intern (concat "texinfo-format-" joined "index")))))))
2043
2044 (defconst texinfo-short-index-cmds-alist
2045 '(("cp" . cindex)
2046 ("fn" . findex)
2047 ("vr" . vindex)
2048 ("tp" . tindex)
2049 ("pg" . pindex)
2050 ("ky" . kindex)))
2051
2052 (defconst texinfo-short-index-format-cmds-alist
2053 '(("cp" . texinfo-format-cindex)
2054 ("fn" . texinfo-format-findex)
2055 ("vr" . texinfo-format-vindex)
2056 ("tp" . texinfo-format-tindex)
2057 ("pg" . texinfo-format-pindex)
2058 ("ky" . texinfo-format-kindex)))
2059
2060
2061 ;;; Sort and index (for VMS)
2062
2063 ;; Sort an index which is in the current buffer between START and END.
2064 ;; Used on VMS, where the `sort' utility is not available.
2065 (defun texinfo-sort-region (start end)
2066 (require 'sort)
2067 (save-restriction
2068 (narrow-to-region start end)
2069 (sort-subr nil 'forward-line 'end-of-line 'texinfo-sort-startkeyfun)))
2070
2071 ;; Subroutine for sorting an index.
2072 ;; At start of a line, return a string to sort the line under.
2073 (defun texinfo-sort-startkeyfun ()
2074 (let ((line
2075 (buffer-substring (point) (save-excursion (end-of-line) (point)))))
2076 ;; Canonicalize whitespace and eliminate funny chars.
2077 (while (string-match "[ \t][ \t]+\\|[^a-z0-9 ]+" line)
2078 (setq line (concat (substring line 0 (match-beginning 0))
2079 " "
2080 (substring line (match-end 0) (length line)))))
2081 line))
2082
2083
2084 ;;; @printindex
2085
2086 (put 'printindex 'texinfo-format 'texinfo-format-printindex)
2087
2088 (defun texinfo-format-printindex ()
2089 (let ((indexelts (symbol-value
2090 (cdr (assoc (texinfo-parse-arg-discard)
2091 texinfo-indexvar-alist))))
2092 opoint)
2093 (insert "\n* Menu:\n\n")
2094 (setq opoint (point))
2095 (texinfo-print-index nil indexelts)
2096
2097 (if (eq system-type 'vax-vms)
2098 (texinfo-sort-region opoint (point))
2099 (shell-command-on-region opoint (point) "sort -fd" 1))))
2100
2101 (defun texinfo-print-index (file indexelts)
2102 (while indexelts
2103 (if (stringp (car (car indexelts)))
2104 (progn
2105 (insert "* " (car (car indexelts)) ": " )
2106 (indent-to 32)
2107 (insert
2108 (if file (concat "(" file ")") "")
2109 (nth 1 (car indexelts)) ".")
2110 (indent-to 54)
2111 (insert
2112 (if (nth 2 (car indexelts))
2113 (format " %d." (nth 2 (car indexelts)))
2114 "")
2115 "\n"))
2116 ;; index entries from @include'd file
2117 (texinfo-print-index (nth 1 (car indexelts))
2118 (nth 2 (car indexelts))))
2119 (setq indexelts (cdr indexelts))))
2120
2121
2122 ;;; Glyphs: @equiv, @error, etc
2123
2124 ;; @equiv to show that two expressions are equivalent
2125 ;; @error to show an error message
2126 ;; @expansion to show what a macro expands to
2127 ;; @point to show the location of point in an example
2128 ;; @print to show what an evaluated expression prints
2129 ;; @result to indicate the value returned by an expression
2130
2131 (put 'equiv 'texinfo-format 'texinfo-format-equiv)
2132 (defun texinfo-format-equiv ()
2133 (texinfo-parse-arg-discard)
2134 (insert "=="))
2135
2136 (put 'error 'texinfo-format 'texinfo-format-error)
2137 (defun texinfo-format-error ()
2138 (texinfo-parse-arg-discard)
2139 (insert "error-->"))
2140
2141 (put 'expansion 'texinfo-format 'texinfo-format-expansion)
2142 (defun texinfo-format-expansion ()
2143 (texinfo-parse-arg-discard)
2144 (insert "==>"))
2145
2146 (put 'point 'texinfo-format 'texinfo-format-point)
2147 (defun texinfo-format-point ()
2148 (texinfo-parse-arg-discard)
2149 (insert "-!-"))
2150
2151 (put 'print 'texinfo-format 'texinfo-format-print)
2152 (defun texinfo-format-print ()
2153 (texinfo-parse-arg-discard)
2154 (insert "-|"))
2155
2156 (put 'result 'texinfo-format 'texinfo-format-result)
2157 (defun texinfo-format-result ()
2158 (texinfo-parse-arg-discard)
2159 (insert "=>"))
2160
2161
2162 ;;; Definition formatting: @deffn, @defun, etc
2163
2164 ;; What definition formatting produces:
2165 ;;
2166 ;; @deffn category name args...
2167 ;; In Info, `Category: name ARGS'
2168 ;; In index: name: node. line#.
2169 ;;
2170 ;; @defvr category name
2171 ;; In Info, `Category: name'
2172 ;; In index: name: node. line#.
2173 ;;
2174 ;; @deftp category name attributes...
2175 ;; `category name attributes...' Note: @deftp args in lower case.
2176 ;; In index: name: node. line#.
2177 ;;
2178 ;; Specialized function-like or variable-like entity:
2179 ;;
2180 ;; @defun, @defmac, @defspec, @defvar, @defopt
2181 ;;
2182 ;; @defun name args In Info, `Function: name ARGS'
2183 ;; @defmac name args In Info, `Macro: name ARGS'
2184 ;; @defvar name In Info, `Variable: name'
2185 ;; etc.
2186 ;; In index: name: node. line#.
2187 ;;
2188 ;; Generalized typed-function-like or typed-variable-like entity:
2189 ;; @deftypefn category data-type name args...
2190 ;; In Info, `Category: data-type name args...'
2191 ;; @deftypevr category data-type name
2192 ;; In Info, `Category: data-type name'
2193 ;; In index: name: node. line#.
2194 ;;
2195 ;; Specialized typed-function-like or typed-variable-like entity:
2196 ;; @deftypefun data-type name args...
2197 ;; In Info, `Function: data-type name ARGS'
2198 ;; In index: name: node. line#.
2199 ;;
2200 ;; @deftypevar data-type name
2201 ;; In Info, `Variable: data-type name'
2202 ;; In index: name: node. line#. but include args after name!?
2203 ;;
2204 ;; Generalized object oriented entity:
2205 ;; @defop category class name args...
2206 ;; In Info, `Category on class: name ARG'
2207 ;; In index: name on class: node. line#.
2208 ;;
2209 ;; @defcv category class name
2210 ;; In Info, `Category of class: name'
2211 ;; In index: name of class: node. line#.
2212 ;;
2213 ;; Specialized object oriented entity:
2214 ;; @defmethod class name args...
2215 ;; In Info, `Method on class: name ARGS'
2216 ;; In index: name on class: node. line#.
2217 ;;
2218 ;; @defivar class name
2219 ;; In Info, `Instance variable of class: name'
2220 ;; In index: name of class: node. line#.
2221
2222
2223 ;;; The definition formatting functions
2224
2225 (defun texinfo-format-defun ()
2226 (texinfo-push-stack 'defun nil)
2227 (setq fill-column (- fill-column 5))
2228 (texinfo-format-defun-1 t))
2229
2230 (defun texinfo-end-defun ()
2231 (setq fill-column (+ fill-column 5))
2232 (texinfo-discard-command)
2233 (let ((start (nth 1 (texinfo-pop-stack 'defun))))
2234 (texinfo-do-itemize start)
2235 ;; Delete extra newline inserted after header.
2236 (save-excursion
2237 (goto-char start)
2238 (delete-char -1))))
2239
2240 (defun texinfo-format-defunx ()
2241 (texinfo-format-defun-1 nil))
2242
2243 (defun texinfo-format-defun-1 (first-p)
2244 (let ((parse-args (texinfo-format-parse-defun-args))
2245 (texinfo-defun-type (get texinfo-command-name 'texinfo-defun-type)))
2246 (texinfo-discard-command)
2247 ;; Delete extra newline inserted after previous header line.
2248 (if (not first-p)
2249 (delete-char -1))
2250 (funcall
2251 (get texinfo-command-name 'texinfo-deffn-formatting-property) parse-args)
2252 ;; Insert extra newline so that paragraph filling does not mess
2253 ;; with header line.
2254 (insert "\n\n")
2255 (rplaca (cdr (cdr (car texinfo-stack))) (point))
2256 (funcall
2257 (get texinfo-command-name 'texinfo-defun-indexing-property) parse-args)))
2258
2259 ;;; Formatting the first line of a definition
2260
2261 ;; @deffn, @defvr, @deftp
2262 (put 'deffn 'texinfo-deffn-formatting-property 'texinfo-format-deffn)
2263 (put 'deffnx 'texinfo-deffn-formatting-property 'texinfo-format-deffn)
2264 (put 'defvr 'texinfo-deffn-formatting-property 'texinfo-format-deffn)
2265 (put 'defvrx 'texinfo-deffn-formatting-property 'texinfo-format-deffn)
2266 (put 'deftp 'texinfo-deffn-formatting-property 'texinfo-format-deffn)
2267 (put 'deftpx 'texinfo-deffn-formatting-property 'texinfo-format-deffn)
2268 (defun texinfo-format-deffn (parsed-args)
2269 ;; Generalized function-like, variable-like, or generic data-type entity:
2270 ;; @deffn category name args...
2271 ;; In Info, `Category: name ARGS'
2272 ;; @deftp category name attributes...
2273 ;; `category name attributes...' Note: @deftp args in lower case.
2274 (let ((category (car parsed-args))
2275 (name (car (cdr parsed-args)))
2276 (args (cdr (cdr parsed-args))))
2277 (insert " -- " category ": " name)
2278 (while args
2279 (insert " "
2280 (if (or (= ?& (aref (car args) 0))
2281 (eq (eval (car texinfo-defun-type)) 'deftp-type))
2282 (car args)
2283 (upcase (car args))))
2284 (setq args (cdr args)))))
2285
2286 ;; @defun, @defmac, @defspec, @defvar, @defopt: Specialized, simple
2287 (put 'defun 'texinfo-deffn-formatting-property
2288 'texinfo-format-specialized-defun)
2289 (put 'defunx 'texinfo-deffn-formatting-property
2290 'texinfo-format-specialized-defun)
2291 (put 'defmac 'texinfo-deffn-formatting-property
2292 'texinfo-format-specialized-defun)
2293 (put 'defmacx 'texinfo-deffn-formatting-property
2294 'texinfo-format-specialized-defun)
2295 (put 'defspec 'texinfo-deffn-formatting-property
2296 'texinfo-format-specialized-defun)
2297 (put 'defspecx 'texinfo-deffn-formatting-property
2298 'texinfo-format-specialized-defun)
2299 (put 'defvar 'texinfo-deffn-formatting-property
2300 'texinfo-format-specialized-defun)
2301 (put 'defvarx 'texinfo-deffn-formatting-property
2302 'texinfo-format-specialized-defun)
2303 (put 'defopt 'texinfo-deffn-formatting-property
2304 'texinfo-format-specialized-defun)
2305 (put 'defoptx 'texinfo-deffn-formatting-property
2306 'texinfo-format-specialized-defun)
2307 (defun texinfo-format-specialized-defun (parsed-args)
2308 ;; Specialized function-like or variable-like entity:
2309 ;; @defun name args In Info, `Function: Name ARGS'
2310 ;; @defmac name args In Info, `Macro: Name ARGS'
2311 ;; @defvar name In Info, `Variable: Name'
2312 ;; Use cdr of texinfo-defun-type to determine category:
2313 (let ((category (car (cdr texinfo-defun-type)))
2314 (name (car parsed-args))
2315 (args (cdr parsed-args)))
2316 (insert " -- " category ": " name)
2317 (while args
2318 (insert " "
2319 (if (= ?& (aref (car args) 0))
2320 (car args)
2321 (upcase (car args))))
2322 (setq args (cdr args)))))
2323
2324 ;; @deftypefn, @deftypevr: Generalized typed
2325 (put 'deftypefn 'texinfo-deffn-formatting-property 'texinfo-format-deftypefn)
2326 (put 'deftypefnx 'texinfo-deffn-formatting-property 'texinfo-format-deftypefn)
2327 (put 'deftypevr 'texinfo-deffn-formatting-property 'texinfo-format-deftypefn)
2328 (put 'deftypevrx 'texinfo-deffn-formatting-property 'texinfo-format-deftypefn)
2329 (defun texinfo-format-deftypefn (parsed-args)
2330 ;; Generalized typed-function-like or typed-variable-like entity:
2331 ;; @deftypefn category data-type name args...
2332 ;; In Info, `Category: data-type name args...'
2333 ;; @deftypevr category data-type name
2334 ;; In Info, `Category: data-type name'
2335 ;; Note: args in lower case, unless modified in command line.
2336 (let ((category (car parsed-args))
2337 (data-type (car (cdr parsed-args)))
2338 (name (car (cdr (cdr parsed-args))))
2339 (args (cdr (cdr (cdr parsed-args)))))
2340 (insert " -- " category ": " data-type " " name)
2341 (while args
2342 (insert " " (car args))
2343 (setq args (cdr args)))))
2344
2345 ;; @deftypefun, @deftypevar: Specialized typed
2346 (put 'deftypefun 'texinfo-deffn-formatting-property 'texinfo-format-deftypefun)
2347 (put 'deftypefunx 'texinfo-deffn-formatting-property
2348 'texinfo-format-deftypefun)
2349 (put 'deftypevar 'texinfo-deffn-formatting-property 'texinfo-format-deftypefun)
2350 (put 'deftypevarx 'texinfo-deffn-formatting-property
2351 'texinfo-format-deftypefun)
2352 (defun texinfo-format-deftypefun (parsed-args)
2353 ;; Specialized typed-function-like or typed-variable-like entity:
2354 ;; @deftypefun data-type name args...
2355 ;; In Info, `Function: data-type name ARGS'
2356 ;; @deftypevar data-type name
2357 ;; In Info, `Variable: data-type name'
2358 ;; Note: args in lower case, unless modified in command line.
2359 ;; Use cdr of texinfo-defun-type to determine category:
2360 (let ((category (car (cdr texinfo-defun-type)))
2361 (data-type (car parsed-args))
2362 (name (car (cdr parsed-args)))
2363 (args (cdr (cdr parsed-args))))
2364 (insert " -- " category ": " data-type " " name)
2365 (while args
2366 (insert " " (car args))
2367 (setq args (cdr args)))))
2368
2369 ;; @defop: Generalized object-oriented
2370 (put 'defop 'texinfo-deffn-formatting-property 'texinfo-format-defop)
2371 (put 'defopx 'texinfo-deffn-formatting-property 'texinfo-format-defop)
2372 (defun texinfo-format-defop (parsed-args)
2373 ;; Generalized object oriented entity:
2374 ;; @defop category class name args...
2375 ;; In Info, `Category on class: name ARG'
2376 ;; Note: args in upper case; use of `on'
2377 (let ((category (car parsed-args))
2378 (class (car (cdr parsed-args)))
2379 (name (car (cdr (cdr parsed-args))))
2380 (args (cdr (cdr (cdr parsed-args)))))
2381 (insert " -- " category " on " class ": " name)
2382 (while args
2383 (insert " " (upcase (car args)))
2384 (setq args (cdr args)))))
2385
2386 ;; @defcv: Generalized object-oriented
2387 (put 'defcv 'texinfo-deffn-formatting-property 'texinfo-format-defcv)
2388 (put 'defcvx 'texinfo-deffn-formatting-property 'texinfo-format-defcv)
2389 (defun texinfo-format-defcv (parsed-args)
2390 ;; Generalized object oriented entity:
2391 ;; @defcv category class name
2392 ;; In Info, `Category of class: name'
2393 ;; Note: args in upper case; use of `of'
2394 (let ((category (car parsed-args))
2395 (class (car (cdr parsed-args)))
2396 (name (car (cdr (cdr parsed-args))))
2397 (args (cdr (cdr (cdr parsed-args)))))
2398 (insert " -- " category " of " class ": " name)
2399 (while args
2400 (insert " " (upcase (car args)))
2401 (setq args (cdr args)))))
2402
2403 ;; @defmethod: Specialized object-oriented
2404 (put 'defmethod 'texinfo-deffn-formatting-property 'texinfo-format-defmethod)
2405 (put 'defmethodx 'texinfo-deffn-formatting-property 'texinfo-format-defmethod)
2406 (defun texinfo-format-defmethod (parsed-args)
2407 ;; Specialized object oriented entity:
2408 ;; @defmethod class name args...
2409 ;; In Info, `Method on class: name ARGS'
2410 ;; Note: args in upper case; use of `on'
2411 ;; Use cdr of texinfo-defun-type to determine category:
2412 (let ((category (car (cdr texinfo-defun-type)))
2413 (class (car parsed-args))
2414 (name (car (cdr parsed-args)))
2415 (args (cdr (cdr parsed-args))))
2416 (insert " -- " category " on " class ": " name)
2417 (while args
2418 (insert " " (upcase (car args)))
2419 (setq args (cdr args)))))
2420
2421 ;; @defivar: Specialized object-oriented
2422 (put 'defivar 'texinfo-deffn-formatting-property 'texinfo-format-defivar)
2423 (put 'defivarx 'texinfo-deffn-formatting-property 'texinfo-format-defivar)
2424 (defun texinfo-format-defivar (parsed-args)
2425 ;; Specialized object oriented entity:
2426 ;; @defivar class name
2427 ;; In Info, `Instance variable of class: name'
2428 ;; Note: args in upper case; use of `of'
2429 ;; Use cdr of texinfo-defun-type to determine category:
2430 (let ((category (car (cdr texinfo-defun-type)))
2431 (class (car parsed-args))
2432 (name (car (cdr parsed-args)))
2433 (args (cdr (cdr parsed-args))))
2434 (insert " -- " category " of " class ": " name)
2435 (while args
2436 (insert " " (upcase (car args)))
2437 (setq args (cdr args)))))
2438
2439
2440 ;;; Indexing for definitions
2441
2442 ;; An index entry has three parts: the `entry proper', the node name, and the
2443 ;; line number. Depending on the which command is used, the entry is
2444 ;; formatted differently:
2445 ;;
2446 ;; @defun,
2447 ;; @defmac,
2448 ;; @defspec,
2449 ;; @defvar,
2450 ;; @defopt all use their 1st argument as the entry-proper
2451 ;;
2452 ;; @deffn,
2453 ;; @defvr,
2454 ;; @deftp
2455 ;; @deftypefun
2456 ;; @deftypevar all use their 2nd argument as the entry-proper
2457 ;;
2458 ;; @deftypefn,
2459 ;; @deftypevr both use their 3rd argument as the entry-proper
2460 ;;
2461 ;; @defmethod uses its 2nd and 1st arguments as an entry-proper
2462 ;; formatted: NAME on CLASS
2463
2464 ;; @defop uses its 3rd and 2nd arguments as an entry-proper
2465 ;; formatted: NAME on CLASS
2466 ;;
2467 ;; @defivar uses its 2nd and 1st arguments as an entry-proper
2468 ;; formatted: NAME of CLASS
2469 ;;
2470 ;; @defcv uses its 3rd and 2nd argument as an entry-proper
2471 ;; formatted: NAME of CLASS
2472
2473 (put 'defun 'texinfo-defun-indexing-property 'texinfo-index-defun)
2474 (put 'defunx 'texinfo-defun-indexing-property 'texinfo-index-defun)
2475 (put 'defmac 'texinfo-defun-indexing-property 'texinfo-index-defun)
2476 (put 'defmacx 'texinfo-defun-indexing-property 'texinfo-index-defun)
2477 (put 'defspec 'texinfo-defun-indexing-property 'texinfo-index-defun)
2478 (put 'defspecx 'texinfo-defun-indexing-property 'texinfo-index-defun)
2479 (put 'defvar 'texinfo-defun-indexing-property 'texinfo-index-defun)
2480 (put 'defvarx 'texinfo-defun-indexing-property 'texinfo-index-defun)
2481 (put 'defopt 'texinfo-defun-indexing-property 'texinfo-index-defun)
2482 (put 'defoptx 'texinfo-defun-indexing-property 'texinfo-index-defun)
2483 (defun texinfo-index-defun (parsed-args)
2484 ;; use 1st parsed-arg as entry-proper
2485 ;; `index-list' will be texinfo-findex or the like
2486 (let ((index-list (get texinfo-command-name 'texinfo-defun-index)))
2487 (set index-list
2488 (cons
2489 ;; Three elements: entry-proper, node-name, line-number
2490 (list
2491 (car parsed-args)
2492 texinfo-last-node
2493 ;; Region formatting may not provide last node position.
2494 (if texinfo-last-node-pos
2495 (1+ (count-lines texinfo-last-node-pos (point)))
2496 1))
2497 (symbol-value index-list)))))
2498
2499 (put 'deffn 'texinfo-defun-indexing-property 'texinfo-index-deffn)
2500 (put 'deffnx 'texinfo-defun-indexing-property 'texinfo-index-deffn)
2501 (put 'defvr 'texinfo-defun-indexing-property 'texinfo-index-deffn)
2502 (put 'defvrx 'texinfo-defun-indexing-property 'texinfo-index-deffn)
2503 (put 'deftp 'texinfo-defun-indexing-property 'texinfo-index-deffn)
2504 (put 'deftpx 'texinfo-defun-indexing-property 'texinfo-index-deffn)
2505 (put 'deftypefun 'texinfo-defun-indexing-property 'texinfo-index-deffn)
2506 (put 'deftypefunx 'texinfo-defun-indexing-property 'texinfo-index-deffn)
2507 (put 'deftypevar 'texinfo-defun-indexing-property 'texinfo-index-deffn)
2508 (put 'deftypevarx 'texinfo-defun-indexing-property 'texinfo-index-deffn)
2509 (defun texinfo-index-deffn (parsed-args)
2510 ;; use 2nd parsed-arg as entry-proper
2511 ;; `index-list' will be texinfo-findex or the like
2512 (let ((index-list (get texinfo-command-name 'texinfo-defun-index)))
2513 (set index-list
2514 (cons
2515 ;; Three elements: entry-proper, node-name, line-number
2516 (list
2517 (car (cdr parsed-args))
2518 texinfo-last-node
2519 ;; Region formatting may not provide last node position.
2520 (if texinfo-last-node-pos
2521 (1+ (count-lines texinfo-last-node-pos (point)))
2522 1))
2523 (symbol-value index-list)))))
2524
2525 (put 'deftypefn 'texinfo-defun-indexing-property 'texinfo-index-deftypefn)
2526 (put 'deftypefnx 'texinfo-defun-indexing-property 'texinfo-index-deftypefn)
2527 (put 'deftypevr 'texinfo-defun-indexing-property 'texinfo-index-deftypefn)
2528 (put 'deftypevrx 'texinfo-defun-indexing-property 'texinfo-index-deftypefn)
2529 (defun texinfo-index-deftypefn (parsed-args)
2530 ;; use 3rd parsed-arg as entry-proper
2531 ;; `index-list' will be texinfo-findex or the like
2532 (let ((index-list (get texinfo-command-name 'texinfo-defun-index)))
2533 (set index-list
2534 (cons
2535 ;; Three elements: entry-proper, node-name, line-number
2536 (list
2537 (car (cdr (cdr parsed-args)))
2538 texinfo-last-node
2539 ;; Region formatting may not provide last node position.
2540 (if texinfo-last-node-pos
2541 (1+ (count-lines texinfo-last-node-pos (point)))
2542 1))
2543 (symbol-value index-list)))))
2544
2545 (put 'defmethod 'texinfo-defun-indexing-property 'texinfo-index-defmethod)
2546 (put 'defmethodx 'texinfo-defun-indexing-property 'texinfo-index-defmethod)
2547 (defun texinfo-index-defmethod (parsed-args)
2548 ;; use 2nd on 1st parsed-arg as entry-proper
2549 ;; `index-list' will be texinfo-findex or the like
2550 (let ((index-list (get texinfo-command-name 'texinfo-defun-index)))
2551 (set index-list
2552 (cons
2553 ;; Three elements: entry-proper, node-name, line-number
2554 (list
2555 (format "%s on %s"
2556 (car (cdr parsed-args))
2557 (car parsed-args))
2558 texinfo-last-node
2559 ;; Region formatting may not provide last node position.
2560 (if texinfo-last-node-pos
2561 (1+ (count-lines texinfo-last-node-pos (point)))
2562 1))
2563 (symbol-value index-list)))))
2564
2565 (put 'defop 'texinfo-defun-indexing-property 'texinfo-index-defop)
2566 (put 'defopx 'texinfo-defun-indexing-property 'texinfo-index-defop)
2567 (defun texinfo-index-defop (parsed-args)
2568 ;; use 3rd on 2nd parsed-arg as entry-proper
2569 ;; `index-list' will be texinfo-findex or the like
2570 (let ((index-list (get texinfo-command-name 'texinfo-defun-index)))
2571 (set index-list
2572 (cons
2573 ;; Three elements: entry-proper, node-name, line-number
2574 (list
2575 (format "%s on %s"
2576 (car (cdr (cdr parsed-args)))
2577 (car (cdr parsed-args)))
2578 texinfo-last-node
2579 ;; Region formatting may not provide last node position.
2580 (if texinfo-last-node-pos
2581 (1+ (count-lines texinfo-last-node-pos (point)))
2582 1))
2583 (symbol-value index-list)))))
2584
2585 (put 'defivar 'texinfo-defun-indexing-property 'texinfo-index-defivar)
2586 (put 'defivarx 'texinfo-defun-indexing-property 'texinfo-index-defivar)
2587 (defun texinfo-index-defivar (parsed-args)
2588 ;; use 2nd of 1st parsed-arg as entry-proper
2589 ;; `index-list' will be texinfo-findex or the like
2590 (let ((index-list (get texinfo-command-name 'texinfo-defun-index)))
2591 (set index-list
2592 (cons
2593 ;; Three elements: entry-proper, node-name, line-number
2594 (list
2595 (format "%s of %s"
2596 (car (cdr parsed-args))
2597 (car parsed-args))
2598 texinfo-last-node
2599 ;; Region formatting may not provide last node position.
2600 (if texinfo-last-node-pos
2601 (1+ (count-lines texinfo-last-node-pos (point)))
2602 1))
2603 (symbol-value index-list)))))
2604
2605 (put 'defcv 'texinfo-defun-indexing-property 'texinfo-index-defcv)
2606 (put 'defcvx 'texinfo-defun-indexing-property 'texinfo-index-defcv)
2607 (defun texinfo-index-defcv (parsed-args)
2608 ;; use 3rd of 2nd parsed-arg as entry-proper
2609 ;; `index-list' will be texinfo-findex or the like
2610 (let ((index-list (get texinfo-command-name 'texinfo-defun-index)))
2611 (set index-list
2612 (cons
2613 ;; Three elements: entry-proper, node-name, line-number
2614 (list
2615 (format "%s of %s"
2616 (car (cdr (cdr parsed-args)))
2617 (car (cdr parsed-args)))
2618 texinfo-last-node
2619 ;; Region formatting may not provide last node position.
2620 (if texinfo-last-node-pos
2621 (1+ (count-lines texinfo-last-node-pos (point)))
2622 1))
2623 (symbol-value index-list)))))
2624
2625
2626 ;;; Properties for definitions
2627
2628 ;; Each definition command has six properties:
2629 ;;
2630 ;; 1. texinfo-deffn-formatting-property to format definition line
2631 ;; 2. texinfo-defun-indexing-property to create index entry
2632 ;; 3. texinfo-format formatting command
2633 ;; 4. texinfo-end end formatting command
2634 ;; 5. texinfo-defun-type type of deffn to format
2635 ;; 6. texinfo-defun-index type of index to use
2636 ;;
2637 ;; The `x' forms of each definition command are used for the second
2638 ;; and subsequent header lines.
2639
2640 ;; The texinfo-deffn-formatting-property and texinfo-defun-indexing-property
2641 ;; are listed just before the appropriate formatting and indexing commands.
2642
2643 (put 'deffn 'texinfo-format 'texinfo-format-defun)
2644 (put 'deffnx 'texinfo-format 'texinfo-format-defunx)
2645 (put 'deffn 'texinfo-end 'texinfo-end-defun)
2646 (put 'deffn 'texinfo-defun-type '('deffn-type nil))
2647 (put 'deffnx 'texinfo-defun-type '('deffn-type nil))
2648 (put 'deffn 'texinfo-defun-index 'texinfo-findex)
2649 (put 'deffnx 'texinfo-defun-index 'texinfo-findex)
2650
2651 (put 'defun 'texinfo-format 'texinfo-format-defun)
2652 (put 'defunx 'texinfo-format 'texinfo-format-defunx)
2653 (put 'defun 'texinfo-end 'texinfo-end-defun)
2654 (put 'defun 'texinfo-defun-type '('defun-type "Function"))
2655 (put 'defunx 'texinfo-defun-type '('defun-type "Function"))
2656 (put 'defun 'texinfo-defun-index 'texinfo-findex)
2657 (put 'defunx 'texinfo-defun-index 'texinfo-findex)
2658
2659 (put 'defmac 'texinfo-format 'texinfo-format-defun)
2660 (put 'defmacx 'texinfo-format 'texinfo-format-defunx)
2661 (put 'defmac 'texinfo-end 'texinfo-end-defun)
2662 (put 'defmac 'texinfo-defun-type '('defun-type "Macro"))
2663 (put 'defmacx 'texinfo-defun-type '('defun-type "Macro"))
2664 (put 'defmac 'texinfo-defun-index 'texinfo-findex)
2665 (put 'defmacx 'texinfo-defun-index 'texinfo-findex)
2666
2667 (put 'defspec 'texinfo-format 'texinfo-format-defun)
2668 (put 'defspecx 'texinfo-format 'texinfo-format-defunx)
2669 (put 'defspec 'texinfo-end 'texinfo-end-defun)
2670 (put 'defspec 'texinfo-defun-type '('defun-type "Special form"))
2671 (put 'defspecx 'texinfo-defun-type '('defun-type "Special form"))
2672 (put 'defspec 'texinfo-defun-index 'texinfo-findex)
2673 (put 'defspecx 'texinfo-defun-index 'texinfo-findex)
2674
2675 (put 'defvr 'texinfo-format 'texinfo-format-defun)
2676 (put 'defvrx 'texinfo-format 'texinfo-format-defunx)
2677 (put 'defvr 'texinfo-end 'texinfo-end-defun)
2678 (put 'defvr 'texinfo-defun-type '('deffn-type nil))
2679 (put 'defvrx 'texinfo-defun-type '('deffn-type nil))
2680 (put 'defvr 'texinfo-defun-index 'texinfo-vindex)
2681 (put 'defvrx 'texinfo-defun-index 'texinfo-vindex)
2682
2683 (put 'defvar 'texinfo-format 'texinfo-format-defun)
2684 (put 'defvarx 'texinfo-format 'texinfo-format-defunx)
2685 (put 'defvar 'texinfo-end 'texinfo-end-defun)
2686 (put 'defvar 'texinfo-defun-type '('defun-type "Variable"))
2687 (put 'defvarx 'texinfo-defun-type '('defun-type "Variable"))
2688 (put 'defvar 'texinfo-defun-index 'texinfo-vindex)
2689 (put 'defvarx 'texinfo-defun-index 'texinfo-vindex)
2690
2691 (put 'defconst 'texinfo-format 'texinfo-format-defun)
2692 (put 'defconstx 'texinfo-format 'texinfo-format-defunx)
2693 (put 'defconst 'texinfo-end 'texinfo-end-defun)
2694 (put 'defconst 'texinfo-defun-type '('defun-type "Constant"))
2695 (put 'defconstx 'texinfo-defun-type '('defun-type "Constant"))
2696 (put 'defconst 'texinfo-defun-index 'texinfo-vindex)
2697 (put 'defconstx 'texinfo-defun-index 'texinfo-vindex)
2698
2699 (put 'defcmd 'texinfo-format 'texinfo-format-defun)
2700 (put 'defcmdx 'texinfo-format 'texinfo-format-defunx)
2701 (put 'defcmd 'texinfo-end 'texinfo-end-defun)
2702 (put 'defcmd 'texinfo-defun-type '('defun-type "Command"))
2703 (put 'defcmdx 'texinfo-defun-type '('defun-type "Command"))
2704 (put 'defcmd 'texinfo-defun-index 'texinfo-findex)
2705 (put 'defcmdx 'texinfo-defun-index 'texinfo-findex)
2706
2707 (put 'defopt 'texinfo-format 'texinfo-format-defun)
2708 (put 'defoptx 'texinfo-format 'texinfo-format-defunx)
2709 (put 'defopt 'texinfo-end 'texinfo-end-defun)
2710 (put 'defopt 'texinfo-defun-type '('defun-type "User Option"))
2711 (put 'defoptx 'texinfo-defun-type '('defun-type "User Option"))
2712 (put 'defopt 'texinfo-defun-index 'texinfo-vindex)
2713 (put 'defoptx 'texinfo-defun-index 'texinfo-vindex)
2714
2715 (put 'deftp 'texinfo-format 'texinfo-format-defun)
2716 (put 'deftpx 'texinfo-format 'texinfo-format-defunx)
2717 (put 'deftp 'texinfo-end 'texinfo-end-defun)
2718 (put 'deftp 'texinfo-defun-type '('deftp-type nil))
2719 (put 'deftpx 'texinfo-defun-type '('deftp-type nil))
2720 (put 'deftp 'texinfo-defun-index 'texinfo-tindex)
2721 (put 'deftpx 'texinfo-defun-index 'texinfo-tindex)
2722
2723 ;;; Object-oriented stuff is a little hairier.
2724
2725 (put 'defop 'texinfo-format 'texinfo-format-defun)
2726 (put 'defopx 'texinfo-format 'texinfo-format-defunx)
2727 (put 'defop 'texinfo-end 'texinfo-end-defun)
2728 (put 'defop 'texinfo-defun-type '('defop-type nil))
2729 (put 'defopx 'texinfo-defun-type '('defop-type nil))
2730 (put 'defop 'texinfo-defun-index 'texinfo-findex)
2731 (put 'defopx 'texinfo-defun-index 'texinfo-findex)
2732
2733 (put 'defmethod 'texinfo-format 'texinfo-format-defun)
2734 (put 'defmethodx 'texinfo-format 'texinfo-format-defunx)
2735 (put 'defmethod 'texinfo-end 'texinfo-end-defun)
2736 (put 'defmethod 'texinfo-defun-type '('defmethod-type "Method"))
2737 (put 'defmethodx 'texinfo-defun-type '('defmethod-type "Method"))
2738 (put 'defmethod 'texinfo-defun-index 'texinfo-findex)
2739 (put 'defmethodx 'texinfo-defun-index 'texinfo-findex)
2740
2741 (put 'defcv 'texinfo-format 'texinfo-format-defun)
2742 (put 'defcvx 'texinfo-format 'texinfo-format-defunx)
2743 (put 'defcv 'texinfo-end 'texinfo-end-defun)
2744 (put 'defcv 'texinfo-defun-type '('defop-type nil))
2745 (put 'defcvx 'texinfo-defun-type '('defop-type nil))
2746 (put 'defcv 'texinfo-defun-index 'texinfo-vindex)
2747 (put 'defcvx 'texinfo-defun-index 'texinfo-vindex)
2748
2749 (put 'defivar 'texinfo-format 'texinfo-format-defun)
2750 (put 'defivarx 'texinfo-format 'texinfo-format-defunx)
2751 (put 'defivar 'texinfo-end 'texinfo-end-defun)
2752 (put 'defivar 'texinfo-defun-type '('defmethod-type "Instance variable"))
2753 (put 'defivarx 'texinfo-defun-type '('defmethod-type "Instance variable"))
2754 (put 'defivar 'texinfo-defun-index 'texinfo-vindex)
2755 (put 'defivarx 'texinfo-defun-index 'texinfo-vindex)
2756
2757 ;;; Typed functions and variables
2758
2759 (put 'deftypefn 'texinfo-format 'texinfo-format-defun)
2760 (put 'deftypefnx 'texinfo-format 'texinfo-format-defunx)
2761 (put 'deftypefn 'texinfo-end 'texinfo-end-defun)
2762 (put 'deftypefn 'texinfo-defun-type '('deftypefn-type nil))
2763 (put 'deftypefnx 'texinfo-defun-type '('deftypefn-type nil))
2764 (put 'deftypefn 'texinfo-defun-index 'texinfo-findex)
2765 (put 'deftypefnx 'texinfo-defun-index 'texinfo-findex)
2766
2767 (put 'deftypefun 'texinfo-format 'texinfo-format-defun)
2768 (put 'deftypefunx 'texinfo-format 'texinfo-format-defunx)
2769 (put 'deftypefun 'texinfo-end 'texinfo-end-defun)
2770 (put 'deftypefun 'texinfo-defun-type '('deftypefun-type "Function"))
2771 (put 'deftypefunx 'texinfo-defun-type '('deftypefun-type "Function"))
2772 (put 'deftypefun 'texinfo-defun-index 'texinfo-findex)
2773 (put 'deftypefunx 'texinfo-defun-index 'texinfo-findex)
2774
2775 (put 'deftypevr 'texinfo-format 'texinfo-format-defun)
2776 (put 'deftypevrx 'texinfo-format 'texinfo-format-defunx)
2777 (put 'deftypevr 'texinfo-end 'texinfo-end-defun)
2778 (put 'deftypevr 'texinfo-defun-type '('deftypefn-type nil))
2779 (put 'deftypevrx 'texinfo-defun-type '('deftypefn-type nil))
2780 (put 'deftypevr 'texinfo-defun-index 'texinfo-vindex)
2781 (put 'deftypevrx 'texinfo-defun-index 'texinfo-vindex)
2782
2783 (put 'deftypevar 'texinfo-format 'texinfo-format-defun)
2784 (put 'deftypevarx 'texinfo-format 'texinfo-format-defunx)
2785 (put 'deftypevar 'texinfo-end 'texinfo-end-defun)
2786 (put 'deftypevar 'texinfo-defun-type '('deftypevar-type "Variable"))
2787 (put 'deftypevarx 'texinfo-defun-type '('deftypevar-type "Variable"))
2788 (put 'deftypevar 'texinfo-defun-index 'texinfo-vindex)
2789 (put 'deftypevarx 'texinfo-defun-index 'texinfo-vindex)
2790
2791
2792 ;;; @set, @clear, @ifset, @ifclear
2793
2794 ;; If a flag is set with @set FLAG, then text between @ifset and @end
2795 ;; ifset is formatted normally, but if the flag is is cleared with
2796 ;; @clear FLAG, then the text is not formatted; it is ignored.
2797
2798 ;; If a flag is cleared with @clear FLAG, then text between @ifclear
2799 ;; and @end ifclear is formatted normally, but if the flag is is set with
2800 ;; @set FLAG, then the text is not formatted; it is ignored. @ifclear
2801 ;; is the opposite of @ifset.
2802
2803 ;; If a flag is set to a string with @set FLAG,
2804 ;; replace @value{FLAG} with the string.
2805 ;; If a flag with a value is cleared,
2806 ;; @value{FLAG} is invalid,
2807 ;; as if there had never been any @set FLAG previously.
2808
2809 (put 'clear 'texinfo-format 'texinfo-clear)
2810 (defun texinfo-clear ()
2811 "Clear the value of the flag."
2812 (let* ((arg (texinfo-parse-arg-discard))
2813 (flag (car (read-from-string arg)))
2814 (value (substring arg (cdr (read-from-string arg)))))
2815 (put flag 'texinfo-whether-setp 'flag-cleared)
2816 (put flag 'texinfo-set-value "")))
2817
2818 (put 'set 'texinfo-format 'texinfo-set)
2819 (defun texinfo-set ()
2820 "Set the value of the flag, optionally to a string.
2821 The command `@set foo This is a string.'
2822 sets flag foo to the value: `This is a string.'
2823 The command `@value{foo}' expands to the value."
2824 (let* ((arg (texinfo-parse-arg-discard))
2825 (flag (car (read-from-string arg)))
2826 (value (substring arg (cdr (read-from-string arg)))))
2827 (put flag 'texinfo-whether-setp 'flag-set)
2828 (put flag 'texinfo-set-value value)))
2829
2830 (put 'value 'texinfo-format 'texinfo-value)
2831 (defun texinfo-value ()
2832 "Insert the string to which the flag is set.
2833 The command `@set foo This is a string.'
2834 sets flag foo to the value: `This is a string.'
2835 The command `@value{foo}' expands to the value."
2836 (let ((arg (texinfo-parse-arg-discard)))
2837 (cond ((and
2838 (eq (get (car (read-from-string arg)) 'texinfo-whether-setp)
2839 'flag-set)
2840 (get (car (read-from-string arg)) 'texinfo-set-value))
2841 (insert (get (car (read-from-string arg)) 'texinfo-set-value)))
2842 ((eq (get (car (read-from-string arg)) 'texinfo-whether-setp)
2843 'flag-cleared)
2844 (insert (format "{No value for \"%s\"}" arg)))
2845 ((eq (get (car (read-from-string arg)) 'texinfo-whether-setp) nil)
2846 (insert (format "{No value for \"%s\"}" arg))))))
2847
2848 (put 'ifset 'texinfo-end 'texinfo-discard-command)
2849 (put 'ifset 'texinfo-format 'texinfo-if-set)
2850 (defun texinfo-if-set ()
2851 "If set, continue formatting; else do not format region up to @end ifset"
2852 (let ((arg (texinfo-parse-arg-discard)))
2853 (cond
2854 ((eq (get (car (read-from-string arg)) 'texinfo-whether-setp)
2855 'flag-set)
2856 ;; Format the text (i.e., do not remove it); do nothing here.
2857 ())
2858 ((eq (get (car (read-from-string arg)) 'texinfo-whether-setp)
2859 'flag-cleared)
2860 ;; Clear region (i.e., cause the text to be ignored).
2861 (delete-region texinfo-command-start
2862 (progn (re-search-forward "@end ifset[ \t]*\n")
2863 (point))))
2864 ((eq (get (car (read-from-string arg)) 'texinfo-whether-setp)
2865 nil)
2866 ;; In this case flag is neither set nor cleared.
2867 ;; Act as if set, i.e. do nothing.
2868 ()))))
2869
2870 (put 'ifclear 'texinfo-end 'texinfo-discard-command)
2871 (put 'ifclear 'texinfo-format 'texinfo-if-clear)
2872 (defun texinfo-if-clear ()
2873 "If clear, continue formatting; if set, do not format up to @end ifset"
2874 (let ((arg (texinfo-parse-arg-discard)))
2875 (cond
2876 ((eq (get (car (read-from-string arg)) 'texinfo-whether-setp)
2877 'flag-set)
2878 ;; Clear region (i.e., cause the text to be ignored).
2879 (delete-region texinfo-command-start
2880 (progn (re-search-forward "@end ifclear[ \t]*\n")
2881 (point))))
2882 ((eq (get (car (read-from-string arg)) 'texinfo-whether-setp)
2883 'flag-cleared)
2884 ;; Format the text (i.e., do not remove it); do nothing here.
2885 ())
2886 ((eq (get (car (read-from-string arg)) 'texinfo-whether-setp)
2887 nil)
2888 ;; In this case flag is neither set nor cleared.
2889 ;; Act as if clear, i.e. do nothing.
2890 ()))))
2891
2892
2893 ;;; Process included files: `@include' command
2894
2895 ;; Updated 19 October 1990
2896 ;; In the original version, include files were ignored by Info but
2897 ;; incorporated in to the printed manual. To make references to the
2898 ;; included file, the Texinfo source file has to refer to the included
2899 ;; files using the `(filename)nodename' format for refering to other
2900 ;; Info files. Also, the included files had to be formatted on their
2901 ;; own. It was just like they were another file.
2902
2903 ;; Currently, include files are inserted into the buffer that is
2904 ;; formatted for Info. If large, the resulting info file is split and
2905 ;; tagified. For current include files to work, the master menu must
2906 ;; refer to all the nodes, and the highest level nodes in the include
2907 ;; files must have the correct next, prev, and up pointers.
2908
2909 ;; The included file may have an @setfilename and even an @settitle,
2910 ;; but not an `\input texinfo' line.
2911
2912 ;; Updated 24 March 1993
2913 ;; In order for @raisesections and @lowersections to work, included
2914 ;; files must be inserted into the buffer holding the outer file
2915 ;; before other Info formatting takes place. So @include is no longer
2916 ;; is treated like other @-commands.
2917 (put 'include 'texinfo-format 'texinfo-format-noop)
2918
2919 ; Original definition:
2920 ; (defun texinfo-format-include ()
2921 ; (let ((filename (texinfo-parse-arg-discard))
2922 ; (default-directory input-directory)
2923 ; subindex)
2924 ; (setq subindex
2925 ; (save-excursion
2926 ; (progn (find-file
2927 ; (cond ((file-readable-p (concat filename ".texinfo"))
2928 ; (concat filename ".texinfo"))
2929 ; ((file-readable-p (concat filename ".texi"))
2930 ; (concat filename ".texi"))
2931 ; ((file-readable-p (concat filename ".tex"))
2932 ; (concat filename ".tex"))
2933 ; ((file-readable-p filename)
2934 ; filename)
2935 ; (t (error "@include'd file %s not found"
2936 ; filename))))
2937 ; (texinfo-format-buffer-1))))
2938 ; (texinfo-subindex 'texinfo-vindex (car subindex) (nth 1 subindex))
2939 ; (texinfo-subindex 'texinfo-findex (car subindex) (nth 2 subindex))
2940 ; (texinfo-subindex 'texinfo-cindex (car subindex) (nth 3 subindex))
2941 ; (texinfo-subindex 'texinfo-pindex (car subindex) (nth 4 subindex))
2942 ; (texinfo-subindex 'texinfo-tindex (car subindex) (nth 5 subindex))
2943 ; (texinfo-subindex 'texinfo-kindex (car subindex) (nth 6 subindex))))
2944 ;
2945 ;(defun texinfo-subindex (indexvar file content)
2946 ; (set indexvar (cons (list 'recurse file content)
2947 ; (symbol-value indexvar))))
2948
2949 ; Second definition:
2950 ; (put 'include 'texinfo-format 'texinfo-format-include)
2951 ; (defun texinfo-format-include ()
2952 ; (let ((filename (concat input-directory
2953 ; (texinfo-parse-arg-discard)))
2954 ; (default-directory input-directory))
2955 ; (message "Reading: %s" filename)
2956 ; (save-excursion
2957 ; (save-restriction
2958 ; (narrow-to-region
2959 ; (point)
2960 ; (+ (point) (car (cdr (insert-file-contents filename)))))
2961 ; (goto-char (point-min))
2962 ; (texinfo-append-refill)
2963 ; (texinfo-format-convert (point-min) (point-max))))
2964 ; (setq last-input-buffer input-buffer) ; to bypass setfilename
2965 ; ))
2966
2967
2968 ;;; Numerous commands do nothing in Texinfo
2969
2970 ;; These commands are defined in texinfo.tex for printed output.
2971
2972 (put 'bye 'texinfo-format 'texinfo-discard-line)
2973 (put 'c 'texinfo-format 'texinfo-discard-line-with-args)
2974 (put 'comment 'texinfo-format 'texinfo-discard-line-with-args)
2975 (put 'contents 'texinfo-format 'texinfo-discard-line-with-args)
2976 (put 'finalout 'texinfo-format 'texinfo-discard-line)
2977 (put 'group 'texinfo-end 'texinfo-discard-line-with-args)
2978 (put 'group 'texinfo-format 'texinfo-discard-line-with-args)
2979 (put 'headings 'texinfo-format 'texinfo-discard-line-with-args)
2980 (put 'hsize 'texinfo-format 'texinfo-discard-line-with-args)
2981 (put 'itemindent 'texinfo-format 'texinfo-discard-line-with-args)
2982 (put 'lispnarrowing 'texinfo-format 'texinfo-discard-line-with-args)
2983 (put 'need 'texinfo-format 'texinfo-discard-line-with-args)
2984 (put 'nopara 'texinfo-format 'texinfo-discard-line-with-args)
2985 (put 'page 'texinfo-format 'texinfo-discard-line-with-args)
2986 (put 'parindent 'texinfo-format 'texinfo-discard-line-with-args)
2987 (put 'setchapternewpage 'texinfo-format 'texinfo-discard-line-with-args)
2988 (put 'setq 'texinfo-format 'texinfo-discard-line-with-args)
2989 (put 'settitle 'texinfo-format 'texinfo-discard-line-with-args)
2990 (put 'setx 'texinfo-format 'texinfo-discard-line-with-args)
2991 (put 'shortcontents 'texinfo-format 'texinfo-discard-line-with-args)
2992 (put 'shorttitlepage 'texinfo-format 'texinfo-discard-line-with-args)
2993 (put 'smallbook 'texinfo-format 'texinfo-discard-line)
2994 (put 'summarycontents 'texinfo-format 'texinfo-discard-line-with-args)
2995
2996
2997 ;;; Some commands cannot be handled
2998
2999 (defun texinfo-unsupported ()
3000 (error "%s is not handled by texinfo"
3001 (buffer-substring texinfo-command-start texinfo-command-end)))
3002
3003 ;;; Batch formatting
3004
3005 ;;;###autoload
3006 (defun batch-texinfo-format ()
3007 "Runs texinfo-format-buffer on the files remaining on the command line.
3008 Must be used only with -batch, and kills emacs on completion.
3009 Each file will be processed even if an error occurred previously.
3010 For example, invoke
3011 \"emacs -batch -funcall batch-texinfo-format $docs/ ~/*.texinfo\"."
3012 (if (not noninteractive)
3013 (error "batch-texinfo-format may only be used -batch."))
3014 (let ((version-control t)
3015 (auto-save-default nil)
3016 (find-file-run-dired nil)
3017 (kept-old-versions 259259)
3018 (kept-new-versions 259259))
3019 (let ((error 0)
3020 file
3021 (files ()))
3022 (while command-line-args-left
3023 (setq file (expand-file-name (car command-line-args-left)))
3024 (cond ((not (file-exists-p file))
3025 (message ">> %s does not exist!" file)
3026 (setq error 1
3027 command-line-args-left (cdr command-line-args-left)))
3028 ((file-directory-p file)
3029 (setq command-line-args-left
3030 (nconc (directory-files file)
3031 (cdr command-line-args-left))))
3032 (t
3033 (setq files (cons file files)
3034 command-line-args-left (cdr command-line-args-left)))))
3035 (while files
3036 (setq file (car files)
3037 files (cdr files))
3038 (condition-case err
3039 (progn
3040 (if buffer-file-name (kill-buffer (current-buffer)))
3041 (find-file file)
3042 (buffer-disable-undo (current-buffer))
3043 (set-buffer-modified-p nil)
3044 (texinfo-mode)
3045 (message "texinfo formatting %s..." file)
3046 (texinfo-format-buffer nil)
3047 (if (buffer-modified-p)
3048 (progn (message "Saving modified %s" (buffer-file-name))
3049 (save-buffer))))
3050 (error
3051 (message ">> Error: %s" (prin1-to-string err))
3052 (message ">> point at")
3053 (let ((s (buffer-substring (point)
3054 (min (+ (point) 100)
3055 (point-max))))
3056 (tem 0))
3057 (while (setq tem (string-match "\n+" s tem))
3058 (setq s (concat (substring s 0 (match-beginning 0))
3059 "\n>> "
3060 (substring s (match-end 0)))
3061 tem (1+ tem)))
3062 (message ">> %s" s))
3063 (setq error 1))))
3064 (kill-emacs error))))
3065
3066
3067 ;;; Place `provide' at end of file.
3068 (provide 'texinfmt)
3069
3070 ;;; texinfmt.el ends here.