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3afbc435 | 1 | ;;; reftex-parse.el --- parser functions for RefTeX |
6b61353c | 2 | ;; Copyright (c) 1997, 1998, 1999, 2000, 2003 Free Software Foundation, Inc. |
3ba2590f | 3 | |
6fbeb429 | 4 | ;; Author: Carsten Dominik <dominik@science.uva.nl> |
6b61353c | 5 | ;; Version: 4.21 |
9f286482 | 6 | ;; |
3ba2590f RS |
7 | |
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
1a9461d0 | 24 | |
3afbc435 PJ |
25 | ;;; Commentary: |
26 | ||
27 | ;;; Code: | |
28 | ||
7c4d13cc | 29 | (eval-when-compile (require 'cl)) |
1a9461d0 CD |
30 | (provide 'reftex-parse) |
31 | (require 'reftex) | |
32 | ||
33 | (defmacro reftex-with-special-syntax (&rest body) | |
34 | `(let ((saved-syntax (syntax-table))) | |
35 | (unwind-protect | |
6b61353c KH |
36 | (progn |
37 | (set-syntax-table reftex-syntax-table) | |
38 | (let ((case-fold-search nil)) | |
39 | ,@body)) | |
1a9461d0 CD |
40 | (set-syntax-table saved-syntax)))) |
41 | ||
42 | (defun reftex-parse-one () | |
43 | "Re-parse this file." | |
44 | (interactive) | |
45 | (let ((reftex-enable-partial-scans t)) | |
46 | (reftex-access-scan-info '(4)))) | |
47 | ||
48 | (defun reftex-parse-all () | |
49 | "Re-parse entire document." | |
50 | (interactive) | |
51 | (reftex-access-scan-info '(16))) | |
52 | ||
53 | (defun reftex-do-parse (rescan &optional file) | |
54 | "Do a document rescan. When allowed, do only a partial scan from FILE." | |
55 | ||
56 | ;; Normalize the rescan argument | |
57 | (setq rescan (cond ((eq rescan t) t) | |
58 | ((eq rescan 1) 1) | |
59 | ((equal rescan '(4)) t) | |
60 | ((equal rescan '(16)) 1) | |
61 | (t 1))) | |
62 | ||
63 | ;; Partial scans only when allowed | |
64 | (unless reftex-enable-partial-scans | |
65 | (setq rescan 1)) | |
66 | ||
67 | ;; Do the scanning. | |
68 | ||
69 | (let* ((old-list (symbol-value reftex-docstruct-symbol)) | |
70 | (master (reftex-TeX-master-file)) | |
6b61353c KH |
71 | (true-master (file-truename master)) |
72 | (master-dir (file-name-as-directory (file-name-directory master))) | |
1a9461d0 | 73 | (file (or file (buffer-file-name))) |
6b61353c KH |
74 | (true-file (file-truename file)) |
75 | (bibview-cache (assq 'bibview-cache old-list)) | |
76 | (index-tags (cdr (assq 'index-tags old-list))) | |
1a9461d0 CD |
77 | from-file appendix docstruct tmp) |
78 | ||
79 | ;; Make sure replacement is really an option here | |
80 | (when (and (eq rescan t) | |
81 | (not (and (member (list 'bof file) old-list) | |
82 | (member (list 'eof file) old-list)))) | |
83 | ;; Scan whole document because no such file section exists | |
84 | (setq rescan 1)) | |
85 | (when (string= true-file true-master) | |
86 | ;; Scan whole document because this file is the master | |
87 | (setq rescan 1)) | |
88 | ||
89 | ;; From which file do we start? | |
90 | (setq from-file | |
91 | (cond ((eq rescan t) (or file master)) | |
92 | ((eq rescan 1) master) | |
93 | (t (error "This should not happen (reftex-do-parse)")))) | |
94 | ||
95 | ;; Reset index-tags if we scan everything | |
96 | (if (equal rescan 1) (setq index-tags nil)) | |
97 | ||
98 | ;; Find active toc entry and initialize section-numbers | |
99 | (setq reftex-active-toc (reftex-last-assoc-before-elt | |
6b61353c KH |
100 | 'toc (list 'bof from-file) old-list) |
101 | appendix (reftex-last-assoc-before-elt | |
102 | 'appendix (list 'bof from-file) old-list)) | |
1a9461d0 CD |
103 | |
104 | (reftex-init-section-numbers reftex-active-toc appendix) | |
105 | ||
106 | (if (eq rescan 1) | |
107 | (message "Scanning entire document...") | |
108 | (message "Scanning document from %s..." from-file)) | |
109 | ||
110 | (reftex-with-special-syntax | |
111 | (save-window-excursion | |
112 | (save-excursion | |
6b61353c KH |
113 | (unwind-protect |
114 | (setq docstruct | |
115 | (reftex-parse-from-file | |
116 | from-file docstruct master-dir)) | |
117 | (reftex-kill-temporary-buffers))))) | |
1a9461d0 CD |
118 | |
119 | (message "Scanning document... done") | |
120 | ||
121 | ;; Turn the list around. | |
122 | (setq docstruct (nreverse docstruct)) | |
123 | ||
124 | ;; Set or insert | |
125 | (setq docstruct (reftex-replace-label-list-segment | |
126 | old-list docstruct (eq rescan 1))) | |
127 | ||
128 | ;; Add all missing information | |
129 | (unless (assq 'label-numbers docstruct) | |
130 | (push (cons 'label-numbers nil) docstruct)) | |
131 | (unless (assq 'master-dir docstruct) | |
132 | (push (cons 'master-dir master-dir) docstruct)) | |
133 | (unless (assq 'bibview-cache docstruct) | |
134 | (push (cons 'bibview-cache (cdr bibview-cache)) docstruct)) | |
135 | (let* ((bof1 (memq (assq 'bof docstruct) docstruct)) | |
136 | (bof2 (assq 'bof (cdr bof1))) | |
137 | (is-multi (not (not (and bof1 bof2)))) | |
138 | (entry (or (assq 'is-multi docstruct) | |
139 | (car (push (list 'is-multi is-multi) docstruct))))) | |
140 | (setcdr entry (cons is-multi nil))) | |
141 | (and index-tags (setq index-tags (sort index-tags 'string<))) | |
142 | (let ((index-tag-cell (assq 'index-tags docstruct))) | |
143 | (if index-tag-cell | |
6b61353c KH |
144 | (setcdr index-tag-cell index-tags) |
145 | (push (cons 'index-tags index-tags) docstruct))) | |
1a9461d0 CD |
146 | (unless (assq 'xr docstruct) |
147 | (let* ((allxr (reftex-all-assq 'xr-doc docstruct)) | |
6b61353c KH |
148 | (alist (mapcar |
149 | (lambda (x) | |
150 | (if (setq tmp (reftex-locate-file (nth 2 x) "tex" | |
151 | master-dir)) | |
152 | (cons (nth 1 x) tmp) | |
153 | (message "Can't find external document %s" | |
154 | (nth 2 x)) | |
155 | nil)) | |
156 | allxr)) | |
157 | (alist (delq nil alist)) | |
158 | (allprefix (delq nil (mapcar 'car alist))) | |
159 | (regexp (if allprefix | |
160 | (concat "\\`\\(" | |
161 | (mapconcat 'identity allprefix "\\|") | |
162 | "\\)") | |
163 | "\\\\\\\\\\\\"))) ; this will never match | |
164 | (push (list 'xr alist regexp) docstruct))) | |
1a9461d0 CD |
165 | |
166 | (set reftex-docstruct-symbol docstruct) | |
167 | (put reftex-docstruct-symbol 'modified t))) | |
168 | ||
169 | (defun reftex-everything-regexp () | |
170 | (if reftex-support-index | |
171 | reftex-everything-regexp | |
172 | reftex-everything-regexp-no-index)) | |
173 | ||
03ca24fb | 174 | ;;;###autoload |
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175 | (defun reftex-all-document-files (&optional relative) |
176 | "Return a list of all files belonging to the current document. | |
177 | When RELATIVE is non-nil, give file names relative to directory | |
178 | of master file." | |
179 | (let* ((all (symbol-value reftex-docstruct-symbol)) | |
180 | (master-dir (file-name-directory (reftex-TeX-master-file))) | |
181 | (re (concat "\\`" (regexp-quote master-dir))) | |
182 | file-list tmp file) | |
183 | (while (setq tmp (assoc 'bof all)) | |
184 | (setq file (nth 1 tmp) | |
185 | all (cdr (memq tmp all))) | |
186 | (and relative | |
187 | (string-match re file) | |
188 | (setq file (substring file (match-end 0)))) | |
189 | (push file file-list)) | |
190 | (nreverse file-list))) | |
191 | ||
192 | (defun reftex-parse-from-file (file docstruct master-dir) | |
193 | ;; Scan the buffer for labels and save them in a list. | |
194 | (let ((regexp (reftex-everything-regexp)) | |
195 | (bound 0) | |
196 | file-found tmp include-file | |
197 | (level 1) | |
198 | (highest-level 100) | |
199 | toc-entry index-entry next-buf buf) | |
200 | ||
201 | (catch 'exit | |
202 | (setq file-found (reftex-locate-file file "tex" master-dir)) | |
203 | (if (and (not file-found) | |
6b61353c KH |
204 | (setq buf (reftex-get-buffer-visiting file))) |
205 | (setq file-found (buffer-file-name buf))) | |
1a9461d0 CD |
206 | |
207 | (unless file-found | |
208 | (push (list 'file-error file) docstruct) | |
209 | (throw 'exit nil)) | |
210 | ||
211 | (save-excursion | |
212 | ||
213 | (message "Scanning file %s" file) | |
214 | (set-buffer | |
215 | (setq next-buf | |
216 | (reftex-get-file-buffer-force | |
217 | file-found | |
218 | (not (eq t reftex-keep-temporary-buffers))))) | |
219 | ||
220 | ;; Begin of file mark | |
221 | (setq file (buffer-file-name)) | |
222 | (push (list 'bof file) docstruct) | |
223 | ||
6b61353c KH |
224 | (reftex-with-special-syntax |
225 | (save-excursion | |
226 | (save-restriction | |
227 | (widen) | |
228 | (goto-char 1) | |
229 | ||
230 | (while (re-search-forward regexp nil t) | |
231 | ||
232 | (cond | |
233 | ||
234 | ((match-end 1) | |
235 | ;; It is a label | |
236 | (push (reftex-label-info (reftex-match-string 1) file bound) | |
237 | docstruct)) | |
238 | ||
239 | ((match-end 3) | |
240 | ;; It is a section | |
241 | (setq bound (point)) | |
242 | ||
243 | ;; Insert in List | |
244 | (setq toc-entry (reftex-section-info file)) | |
245 | (when toc-entry | |
246 | ;; It can happen that section info returns nil | |
247 | (setq level (nth 5 toc-entry)) | |
248 | (setq highest-level (min highest-level level)) | |
249 | (if (= level highest-level) | |
250 | (message | |
251 | "Scanning %s %s ..." | |
252 | (car (rassoc level reftex-section-levels-all)) | |
253 | (nth 6 toc-entry))) | |
254 | ||
255 | (push toc-entry docstruct) | |
256 | (setq reftex-active-toc toc-entry))) | |
257 | ||
258 | ((match-end 7) | |
259 | ;; It's an include or input | |
260 | (setq include-file (reftex-match-string 7)) | |
261 | ;; Test if this file should be ignored | |
262 | (unless (delq nil (mapcar | |
263 | (lambda (x) (string-match x include-file)) | |
264 | reftex-no-include-regexps)) | |
265 | ;; Parse it | |
266 | (setq docstruct | |
267 | (reftex-parse-from-file | |
268 | include-file | |
269 | docstruct master-dir)))) | |
270 | ||
271 | ((match-end 9) | |
272 | ;; Appendix starts here | |
273 | (reftex-init-section-numbers nil t) | |
274 | (push (cons 'appendix t) docstruct)) | |
275 | ||
276 | ((match-end 10) | |
277 | ;; Index entry | |
278 | (when reftex-support-index | |
279 | (setq index-entry (reftex-index-info file)) | |
280 | (when index-entry | |
281 | (add-to-list 'index-tags (nth 1 index-entry)) | |
282 | (push index-entry docstruct)))) | |
283 | ||
284 | ((match-end 11) | |
285 | ;; A macro with label | |
286 | (save-excursion | |
287 | (let* ((mac (reftex-match-string 11)) | |
288 | (label (progn (goto-char (match-end 11)) | |
289 | (save-match-data | |
290 | (reftex-no-props | |
291 | (reftex-nth-arg-wrapper | |
292 | mac))))) | |
293 | (typekey (nth 1 (assoc mac reftex-env-or-mac-alist))) | |
294 | (entry (progn (if typekey | |
295 | ;; A typing macro | |
296 | (goto-char (match-end 0)) | |
297 | ;; A neutral macro | |
298 | (goto-char (match-end 11)) | |
299 | (reftex-move-over-touching-args)) | |
300 | (reftex-label-info | |
301 | label file bound nil nil)))) | |
302 | (push entry docstruct)))) | |
303 | (t (error "This should not happen (reftex-parse-from-file)"))) | |
304 | ) | |
305 | ||
306 | ;; Find bibliography statement | |
307 | (when (setq tmp (reftex-locate-bibliography-files master-dir)) | |
308 | (push (cons 'bib tmp) docstruct)) | |
309 | ||
310 | (goto-char 1) | |
311 | (when (re-search-forward | |
312 | "\\(\\`\\|[\n\r]\\)[ \t]*\\\\begin{thebibliography}" nil t) | |
313 | (push (cons 'thebib file) docstruct)) | |
314 | ||
315 | ;; Find external document specifications | |
316 | (goto-char 1) | |
317 | (while (re-search-forward "[\n\r][ \t]*\\\\externaldocument\\(\\[\\([^]]*\\)\\]\\)?{\\([^}]+\\)}" nil t) | |
318 | (push (list 'xr-doc (reftex-match-string 2) | |
319 | (reftex-match-string 3)) | |
320 | docstruct)) | |
321 | ||
322 | ;; End of file mark | |
323 | (push (list 'eof file) docstruct))))) | |
1a9461d0 CD |
324 | |
325 | ;; Kill the scanned buffer | |
326 | (reftex-kill-temporary-buffers next-buf)) | |
327 | ||
328 | ;; Return the list | |
329 | docstruct)) | |
330 | ||
331 | (defun reftex-locate-bibliography-files (master-dir &optional files) | |
332 | ;; Scan buffer for bibliography macro and return file list. | |
6b61353c | 333 | |
1a9461d0 CD |
334 | (unless files |
335 | (save-excursion | |
336 | (goto-char (point-min)) | |
337 | (if (re-search-forward | |
6b61353c KH |
338 | (concat |
339 | ; "\\(\\`\\|[\n\r]\\)[^%]*\\\\\\(" | |
340 | "\\(^\\)[^%\n\r]*\\\\\\(" | |
341 | (mapconcat 'identity reftex-bibliography-commands "\\|") | |
342 | "\\){[ \t]*\\([^}]+\\)") nil t) | |
343 | (setq files | |
344 | (split-string (reftex-match-string 3) | |
345 | "[ \t\n\r]*,[ \t\n\r]*"))))) | |
1a9461d0 | 346 | (when files |
6b61353c KH |
347 | (setq files |
348 | (mapcar | |
349 | (lambda (x) | |
350 | (if (or (member x reftex-bibfile-ignore-list) | |
351 | (delq nil (mapcar (lambda (re) (string-match re x)) | |
352 | reftex-bibfile-ignore-regexps))) | |
353 | ;; excluded file | |
354 | nil | |
355 | ;; find the file | |
356 | (reftex-locate-file x "bib" master-dir))) | |
357 | files)) | |
1a9461d0 CD |
358 | (delq nil files))) |
359 | ||
360 | (defun reftex-replace-label-list-segment (old insert &optional entirely) | |
361 | ;; Replace the segment in OLD which corresponds to INSERT. | |
362 | ;; Works with side effects, directly changes old. | |
363 | ;; If entirely is t, just return INSERT. | |
364 | ;; This function also makes sure the old toc markers do not point anywhere. | |
365 | ||
366 | (cond | |
367 | (entirely | |
368 | (reftex-silence-toc-markers old (length old)) | |
369 | insert) | |
370 | (t (let* ((new old) | |
371 | (file (nth 1 (car insert))) | |
372 | (eof-list (member (list 'eof file) old)) | |
373 | (bof-list (member (list 'bof file) old)) | |
374 | n) | |
375 | (if (not (and bof-list eof-list)) | |
376 | (error "Cannot splice") | |
377 | ;; Splice | |
378 | (reftex-silence-toc-markers bof-list (- (length bof-list) | |
379 | (length eof-list))) | |
380 | (setq n (- (length old) (length bof-list))) | |
381 | (setcdr (nthcdr n new) (cdr insert)) | |
382 | (setcdr (nthcdr (1- (length new)) new) (cdr eof-list))) | |
383 | new)))) | |
384 | ||
385 | (defun reftex-section-info (file) | |
386 | ;; Return a section entry for the current match. | |
387 | ;; Carefull: This function expects the match-data to be still in place! | |
388 | (let* ((marker (set-marker (make-marker) (1- (match-beginning 3)))) | |
389 | (macro (reftex-match-string 3)) | |
6b61353c KH |
390 | (prefix (save-match-data |
391 | (if (string-match "begin{\\([^}]+\\)}" macro) | |
392 | (match-string 1 macro)))) | |
393 | (level-exp (cdr (assoc macro reftex-section-levels-all))) | |
28b707f9 | 394 | (level (if (symbolp level-exp) |
6b61353c KH |
395 | (save-match-data (funcall level-exp)) |
396 | level-exp)) | |
397 | (star (= ?* (char-after (match-end 3)))) | |
398 | (unnumbered (or star (< level 0))) | |
399 | (level (abs level)) | |
1a9461d0 | 400 | (section-number (reftex-section-number level unnumbered)) |
6b61353c KH |
401 | (text1 (save-match-data |
402 | (save-excursion | |
403 | (reftex-context-substring prefix)))) | |
1a9461d0 CD |
404 | (literal (buffer-substring-no-properties |
405 | (1- (match-beginning 3)) | |
406 | (min (point-max) (+ (match-end 0) (length text1) 1)))) | |
6b61353c | 407 | ;; Literal can be too short since text1 too short. No big problem. |
1a9461d0 CD |
408 | (text (reftex-nicify-text text1))) |
409 | ||
410 | ;; Add section number and indentation | |
411 | (setq text | |
412 | (concat | |
413 | (make-string (* reftex-level-indent level) ?\ ) | |
414 | (if (nth 1 reftex-label-menu-flags) ; section number flag | |
415 | (concat section-number " ")) | |
6b61353c | 416 | (if prefix (concat (capitalize prefix) ": ") "") |
1a9461d0 CD |
417 | text)) |
418 | (list 'toc "toc" text file marker level section-number | |
419 | literal (marker-position marker)))) | |
420 | ||
421 | (defun reftex-ensure-index-support (&optional abort) | |
422 | ;; When index support is turned off, ask to turn it on and | |
423 | ;; set the current prefix argument so that `reftex-access-scan-info' | |
424 | ;; will rescan the entire document. | |
425 | (cond | |
426 | (reftex-support-index t) | |
427 | ((y-or-n-p "Turn on index support and rescan entire document? ") | |
428 | (setq reftex-support-index 'demanded | |
6b61353c | 429 | current-prefix-arg '(16))) |
1a9461d0 | 430 | (t (if abort |
6b61353c KH |
431 | (error "No index support") |
432 | (message "No index support") | |
433 | (ding) | |
434 | (sit-for 1))))) | |
1a9461d0 CD |
435 | |
436 | (defun reftex-index-info-safe (file) | |
437 | (reftex-with-special-syntax | |
438 | (reftex-index-info file))) | |
439 | ||
440 | (defvar test-dummy) | |
441 | (defun reftex-index-info (file) | |
442 | ;; Return an index entry for the current match. | |
443 | ;; Carefull: This function expects the match-data to be still in place! | |
444 | (catch 'exit | |
445 | (let* ((macro (reftex-match-string 10)) | |
6b61353c KH |
446 | (bom (match-beginning 10)) |
447 | (boa (match-end 10)) | |
448 | (entry (or (assoc macro reftex-index-macro-alist) | |
449 | (throw 'exit nil))) | |
450 | (exclude (nth 3 entry)) | |
451 | ;; The following is a test if this match should be excluded | |
452 | (test-dummy (and (fboundp exclude) | |
453 | (funcall exclude) | |
454 | (throw 'exit nil))) | |
455 | (itag (nth 1 entry)) | |
456 | (prefix (nth 2 entry)) | |
457 | (index-tag | |
458 | (cond ((stringp itag) itag) | |
459 | ((integerp itag) | |
460 | (progn (goto-char boa) | |
461 | (or (reftex-nth-arg itag (nth 6 entry)) "idx"))) | |
462 | (t "idx"))) | |
463 | (arg (or (progn (goto-char boa) | |
464 | (reftex-nth-arg (nth 5 entry) (nth 6 entry))) | |
465 | "")) | |
466 | (end-of-args (progn (goto-char boa) | |
467 | (reftex-move-over-touching-args) | |
468 | (point))) | |
469 | (end-of-context (progn (skip-chars-forward "^ \t\n\r") (point))) | |
470 | (begin-of-context | |
471 | (progn (goto-char bom) | |
472 | (skip-chars-backward "^ \t\r\n") | |
473 | (point))) | |
474 | (context (buffer-substring-no-properties | |
475 | begin-of-context end-of-context)) | |
476 | (key-end (if (string-match reftex-index-key-end-re arg) | |
477 | (1+ (match-beginning 0)))) | |
478 | (rawkey (substring arg 0 key-end)) | |
479 | ||
480 | (key (if prefix (concat prefix rawkey) rawkey)) | |
481 | (sortkey (downcase key)) | |
482 | (showkey (mapconcat 'identity | |
483 | (split-string key reftex-index-level-re) | |
484 | " ! "))) | |
1a9461d0 CD |
485 | (goto-char end-of-args) |
486 | ;; 0 1 2 3 4 5 6 7 8 9 | |
487 | (list 'index index-tag context file bom arg key showkey sortkey key-end)))) | |
6b61353c | 488 | |
1a9461d0 CD |
489 | (defun reftex-short-context (env parse &optional bound derive) |
490 | ;; Get about one line of useful context for the label definition at point. | |
491 | ||
492 | (if (consp parse) | |
493 | (setq parse (if derive (cdr parse) (car parse)))) | |
494 | ||
495 | (reftex-nicify-text | |
496 | ||
497 | (cond | |
498 | ||
499 | ((null parse) | |
500 | (save-excursion | |
501 | (reftex-context-substring))) | |
502 | ||
503 | ((eq parse t) | |
504 | (if (string= env "section") | |
505 | ;; special treatment for section labels | |
506 | (save-excursion | |
507 | (if (and (re-search-backward reftex-section-or-include-regexp | |
508 | (point-min) t) | |
509 | (match-end 2)) | |
510 | (progn | |
511 | (goto-char (match-end 0)) | |
512 | (reftex-context-substring)) | |
513 | (if reftex-active-toc | |
514 | (progn | |
515 | (string-match "{\\([^}]*\\)" (nth 7 reftex-active-toc)) | |
516 | (match-string 1 (nth 7 reftex-active-toc))) | |
517 | "SECTION HEADING NOT FOUND"))) | |
518 | (save-excursion | |
6b61353c KH |
519 | (goto-char reftex-default-context-position) |
520 | (unless (eq (string-to-char env) ?\\) | |
521 | (reftex-move-over-touching-args)) | |
1a9461d0 CD |
522 | (reftex-context-substring)))) |
523 | ||
524 | ((stringp parse) | |
525 | (save-excursion | |
526 | (if (re-search-backward parse bound t) | |
527 | (progn | |
528 | (goto-char (match-end 0)) | |
529 | (reftex-context-substring)) | |
530 | "NO MATCH FOR CONTEXT REGEXP"))) | |
531 | ||
532 | ((integerp parse) | |
533 | (or (save-excursion | |
534 | (goto-char reftex-default-context-position) | |
535 | (reftex-nth-arg | |
536 | parse | |
537 | (nth 6 (assoc env reftex-env-or-mac-alist)))) | |
538 | "")) | |
539 | ||
540 | ((fboundp parse) | |
541 | ;; A hook function. Call it. | |
542 | (save-excursion | |
543 | (condition-case error-var | |
544 | (funcall parse env) | |
545 | (error (format "HOOK ERROR: %s" (cdr error-var)))))) | |
546 | (t | |
547 | "ILLEGAL VALUE OF PARSE")))) | |
548 | ||
549 | (defun reftex-where-am-I () | |
550 | ;; Return the docstruct entry above point. Actually returns a cons | |
551 | ;; cell in which the cdr is a flag indicating if the information is | |
552 | ;; exact (t) or approximate (nil). | |
553 | ||
554 | (let ((docstruct (symbol-value reftex-docstruct-symbol)) | |
3b919c9f | 555 | (cnt 0) rtn rtn-if-no-other |
1a9461d0 CD |
556 | found) |
557 | (save-excursion | |
558 | (while (not rtn) | |
559 | (incf cnt) | |
560 | (setq found (re-search-backward (reftex-everything-regexp) nil t)) | |
561 | (setq rtn | |
562 | (cond | |
563 | ((not found) | |
564 | ;; no match | |
565 | (or | |
566 | (car (member (list 'bof (buffer-file-name)) docstruct)) | |
567 | (not (setq cnt 2)) | |
568 | (assq 'bof docstruct) ;; for safety reasons | |
569 | 'corrupted)) | |
570 | ((match-end 1) | |
571 | ;; Label | |
572 | (assoc (reftex-match-string 1) | |
573 | (symbol-value reftex-docstruct-symbol))) | |
574 | ((match-end 3) | |
575 | ;; Section | |
576 | (goto-char (1- (match-beginning 3))) | |
577 | (let* ((list (member (list 'bof (buffer-file-name)) | |
578 | docstruct)) | |
579 | (endelt (car (member (list 'eof (buffer-file-name)) | |
580 | list))) | |
581 | rtn1) | |
582 | (while (and list (not (eq endelt (car list)))) | |
583 | (if (and (eq (car (car list)) 'toc) | |
584 | (string= (buffer-file-name) | |
585 | (nth 3 (car list)))) | |
586 | (cond | |
587 | ((equal (point) | |
588 | (or (and (markerp (nth 4 (car list))) | |
589 | (marker-position (nth 4 (car list)))) | |
590 | (nth 8 (car list)))) | |
591 | ;; Fits with marker position or recorded position | |
592 | (setq rtn1 (car list) list nil)) | |
593 | ((looking-at (reftex-make-regexp-allow-for-ctrl-m | |
594 | (nth 7 (car list)))) | |
3b919c9f | 595 | ;; Same title: remember, but keep looking |
6b61353c | 596 | (setq rtn-if-no-other (car list))))) |
1a9461d0 CD |
597 | (pop list)) |
598 | rtn1)) | |
599 | ((match-end 7) | |
600 | ;; Input or include... | |
601 | (car | |
602 | (member (list 'eof (reftex-locate-file | |
603 | (reftex-match-string 7) "tex" | |
6b61353c | 604 | (cdr (assq 'master-dir docstruct)))) |
1a9461d0 | 605 | docstruct))) |
6b61353c KH |
606 | ((match-end 9) |
607 | (assq 'appendix (symbol-value reftex-docstruct-symbol))) | |
608 | ((match-end 10) | |
609 | ;; Index entry | |
610 | (when reftex-support-index | |
611 | (let* ((index-info (save-excursion | |
612 | (reftex-index-info-safe nil))) | |
613 | (list (member (list 'bof (buffer-file-name)) | |
614 | docstruct)) | |
615 | (endelt (car (member (list 'eof (buffer-file-name)) | |
616 | list))) | |
617 | dist last-dist last (n 0)) | |
618 | ;; Check all index entries with equal text | |
619 | (while (and list (not (eq endelt (car list)))) | |
620 | (when (and (eq (car (car list)) 'index) | |
621 | (string= (nth 2 index-info) | |
622 | (nth 2 (car list)))) | |
623 | (incf n) | |
624 | (setq dist (abs (- (point) (nth 4 (car list))))) | |
625 | (if (or (not last-dist) (< dist last-dist)) | |
626 | (setq last-dist dist last (car list)))) | |
627 | (setq list (cdr list))) | |
628 | ;; We are sure if we have only one, or a zero distance | |
629 | (cond ((or (= n 1) (equal dist 0)) last) | |
630 | ((> n 1) (setq cnt 2) last) | |
631 | (t nil))))) | |
632 | ((match-end 11) | |
1a9461d0 CD |
633 | (save-excursion |
634 | (goto-char (match-end 11)) | |
635 | (assoc (reftex-no-props | |
636 | (reftex-nth-arg-wrapper | |
637 | (reftex-match-string 11))) | |
638 | (symbol-value reftex-docstruct-symbol)))) | |
639 | (t | |
640 | (error "This should not happen (reftex-where-am-I)")))))) | |
3b919c9f CD |
641 | ;; Check if there was only a by-name match for the section. |
642 | (when (and (not rtn) rtn-if-no-other) | |
643 | (setq rtn rtn-if-no-other | |
6b61353c | 644 | cnt 2)) |
1a9461d0 CD |
645 | (cons rtn (eq cnt 1)))) |
646 | ||
647 | (defun reftex-notice-new (&optional n force) | |
648 | "Hook to handshake with RefTeX after something new has been inserted." | |
649 | ;; Add a new entry to the docstruct list. If it is a section, renumber | |
650 | ;; the following sections. | |
6b61353c | 651 | ;; FIXME: Put in a WHAT parameter and search backward until one is found. |
1a9461d0 CD |
652 | ;; When N is given, go back that many matches of reftex-everything-regexp |
653 | ;; When FORCE is non-nil, also insert if `reftex-where-am-I' was uncertain. | |
654 | (condition-case nil | |
655 | (catch 'exit | |
6b61353c KH |
656 | (unless reftex-mode (throw 'exit nil)) |
657 | (reftex-access-scan-info) | |
658 | (let* ((docstruct (symbol-value reftex-docstruct-symbol)) | |
659 | here-I-am appendix tail entry star level | |
660 | section-number context) | |
1a9461d0 CD |
661 | |
662 | (save-excursion | |
663 | (when (re-search-backward (reftex-everything-regexp) nil t (or n 1)) | |
664 | ||
6b61353c KH |
665 | ;; Find where we are |
666 | (setq here-I-am (reftex-where-am-I)) | |
667 | (or here-I-am (throw 'exit nil)) | |
668 | (unless (or force (cdr here-I-am)) (throw 'exit nil)) | |
669 | (setq tail (memq (car here-I-am) docstruct)) | |
670 | (or tail (throw 'exit nil)) | |
671 | (setq reftex-active-toc (reftex-last-assoc-before-elt | |
672 | 'toc (car here-I-am) docstruct) | |
673 | appendix (reftex-last-assoc-before-elt | |
674 | 'appendix (car here-I-am) docstruct)) | |
675 | ||
676 | ;; Initialize section numbers | |
677 | (if (eq (car (car here-I-am)) 'appendix) | |
678 | (reftex-init-section-numbers nil t) | |
679 | (reftex-init-section-numbers reftex-active-toc appendix)) | |
680 | ||
681 | ;; Match the section command | |
682 | (when (re-search-forward (reftex-everything-regexp) nil t) | |
683 | (cond | |
684 | ((match-end 1) | |
685 | (push (reftex-label-info (reftex-match-string 1) buffer-file-name) | |
686 | (cdr tail))) | |
687 | ||
688 | ((match-end 3) | |
689 | (setq star (= ?* (char-after (match-end 3))) | |
690 | entry (reftex-section-info (buffer-file-name)) | |
691 | level (nth 5 entry)) | |
692 | ;; Insert the section info | |
693 | (push entry (cdr tail)) | |
694 | ||
695 | ;; We are done unless we use section numbers | |
696 | (unless (nth 1 reftex-label-menu-flags) (throw 'exit nil)) | |
697 | ||
698 | ;; Update the remaining toc items | |
699 | (setq tail (cdr tail)) | |
700 | (while (and (setq tail (memq (assq 'toc (cdr tail)) tail)) | |
701 | (setq entry (car tail)) | |
702 | (>= (nth 5 entry) level)) | |
703 | (setq star (string-match "\\*" (nth 6 entry)) | |
704 | context (nth 2 entry) | |
705 | section-number | |
706 | (reftex-section-number (nth 5 entry) star)) | |
707 | (when (string-match "\\`\\([ \t]*\\)\\([.0-9A-Z]+\\)\\(.*\\)" | |
708 | context) | |
709 | (when (and (not appendix) | |
710 | (>= (string-to-char (match-string 2)) ?A)) | |
711 | ;; Just entered the appendex. Get out. | |
712 | (throw 'exit nil)) | |
713 | ||
714 | ;; Change the section number. | |
715 | (setf (nth 2 entry) | |
716 | (concat (match-string 1 context) | |
717 | section-number | |
718 | (match-string 3 context)))))) | |
719 | ((match-end 10) | |
720 | ;; Index entry | |
721 | (and reftex-support-index | |
722 | (setq entry (reftex-index-info-safe buffer-file-name)) | |
723 | ;; FIXME: (add-to-list 'index-tags (nth 1 index-entry)) | |
724 | (push entry (cdr tail)))))))))) | |
725 | ||
1a9461d0 CD |
726 | (error nil)) |
727 | ) | |
728 | ||
729 | (defsubst reftex-move-to-previous-arg (&optional bound) | |
730 | ;; Assuming that we are in front of a macro argument, | |
731 | ;; move backward to the closing parenthesis of the previous argument. | |
732 | ;; This function understands the splitting of macros over several lines | |
733 | ;; in TeX. | |
734 | (cond | |
735 | ;; Just to be quick: | |
736 | ((memq (preceding-char) '(?\] ?\}))) | |
737 | ;; Do a search | |
738 | ((and reftex-allow-detached-macro-args | |
6b61353c KH |
739 | (re-search-backward |
740 | "[]}][ \t]*[\n\r]?\\([ \t]*%[^\n\r]*[\n\r]\\)*[ \t]*\\=" bound t)) | |
1a9461d0 CD |
741 | (goto-char (1+ (match-beginning 0))) |
742 | t) | |
743 | (t nil))) | |
744 | ||
745 | (defun reftex-what-macro-safe (which &optional bound) | |
746 | ;; reftex-what-macro with special syntax table. | |
747 | (reftex-with-special-syntax | |
748 | (reftex-what-macro which bound))) | |
749 | ||
750 | (defun reftex-what-macro (which &optional bound) | |
751 | ;; Find out if point is within the arguments of any TeX-macro. | |
752 | ;; The return value is either ("\\macro" . (point)) or a list of them. | |
753 | ||
754 | ;; If WHICH is nil, immediately return nil. | |
755 | ;; If WHICH is 1, return innermost enclosing macro. | |
756 | ;; If WHICH is t, return list of all macros enclosing point. | |
757 | ;; If WHICH is a list of macros, look only for those macros and return the | |
758 | ;; name of the first macro in this list found to enclose point. | |
759 | ;; If the optional BOUND is an integer, bound backwards directed | |
760 | ;; searches to this point. If it is nil, limit to nearest \section - | |
761 | ;; like statement. | |
762 | ||
763 | ;; This function is pretty stable, but can be fooled if the text contains | |
764 | ;; things like \macro{aa}{bb} where \macro is defined to take only one | |
765 | ;; argument. As RefTeX cannot know this, the string "bb" would still be | |
766 | ;; considered an argument of macro \macro. | |
767 | ||
768 | (unless reftex-section-regexp (reftex-compile-variables)) | |
769 | (catch 'exit | |
770 | (if (null which) (throw 'exit nil)) | |
771 | (let ((bound (or bound (save-excursion (re-search-backward | |
772 | reftex-section-regexp nil 1) | |
773 | (point)))) | |
774 | pos cmd-list cmd cnt cnt-opt entry) | |
775 | (save-restriction | |
776 | (save-excursion | |
6b61353c | 777 | (narrow-to-region (max 1 bound) (point-max)) |
1a9461d0 CD |
778 | ;; move back out of the current parenthesis |
779 | (while (condition-case nil | |
780 | (progn (up-list -1) t) | |
781 | (error nil)) | |
782 | (setq cnt 1 cnt-opt 0) | |
783 | ;; move back over any touching sexps | |
784 | (while (and (reftex-move-to-previous-arg bound) | |
6b61353c KH |
785 | (condition-case nil |
786 | (progn (backward-sexp) t) | |
787 | (error nil))) | |
788 | (if (eq (following-char) ?\[) (incf cnt-opt)) | |
1a9461d0 CD |
789 | (incf cnt)) |
790 | (setq pos (point)) | |
791 | (when (and (or (= (following-char) ?\[) | |
792 | (= (following-char) ?\{)) | |
793 | (re-search-backward "\\\\[*a-zA-Z]+\\=" nil t)) | |
794 | (setq cmd (reftex-match-string 0)) | |
6b61353c KH |
795 | (when (looking-at "\\\\begin{[^}]*}") |
796 | (setq cmd (reftex-match-string 0) | |
797 | cnt (1- cnt))) | |
798 | ;; This does ignore optional arguments. Very hard to fix. | |
799 | (when (setq entry (assoc cmd reftex-env-or-mac-alist)) | |
800 | (if (> cnt (or (nth 4 entry) 100)) | |
801 | (setq cmd nil))) | |
1a9461d0 | 802 | (cond |
6b61353c KH |
803 | ((null cmd)) |
804 | ((eq t which) | |
805 | (push (cons cmd (point)) cmd-list)) | |
806 | ((or (eq 1 which) (member cmd which)) | |
807 | (throw 'exit (cons cmd (point)))))) | |
1a9461d0 CD |
808 | (goto-char pos))) |
809 | (nreverse cmd-list))))) | |
810 | ||
811 | (defun reftex-what-environment (which &optional bound) | |
812 | ;; Find out if point is inside a LaTeX environment. | |
813 | ;; The return value is (e.g.) either ("equation" . (point)) or a list of | |
814 | ;; them. | |
815 | ||
816 | ;; If WHICH is nil, immediately return nil. | |
817 | ;; If WHICH is 1, return innermost enclosing environment. | |
818 | ;; If WHICH is t, return list of all environments enclosing point. | |
819 | ;; If WHICH is a list of environments, look only for those environments and | |
820 | ;; return the name of the first environment in this list found to enclose | |
821 | ;; point. | |
822 | ||
823 | ;; If the optional BOUND is an integer, bound backwards directed searches to | |
824 | ;; this point. If it is nil, limit to nearest \section - like statement. | |
825 | ||
826 | (unless reftex-section-regexp (reftex-compile-variables)) | |
827 | (catch 'exit | |
828 | (save-excursion | |
829 | (if (null which) (throw 'exit nil)) | |
830 | (let ((bound (or bound (save-excursion (re-search-backward | |
831 | reftex-section-regexp nil 1) | |
832 | (point)))) | |
833 | env-list end-list env) | |
834 | (while (re-search-backward "\\\\\\(begin\\|end\\){\\([^}]+\\)}" | |
835 | bound t) | |
836 | (setq env (buffer-substring-no-properties | |
837 | (match-beginning 2) (match-end 2))) | |
838 | (cond | |
839 | ((string= (match-string 1) "end") | |
6b61353c | 840 | (push env end-list)) |
1a9461d0 CD |
841 | ((equal env (car end-list)) |
842 | (setq end-list (cdr end-list))) | |
843 | ((eq t which) | |
844 | (push (cons env (point)) env-list)) | |
845 | ((or (eq 1 which) (member env which)) | |
846 | (throw 'exit (cons env (point)))))) | |
847 | (nreverse env-list))))) | |
848 | ||
849 | (defun reftex-what-special-env (which &optional bound) | |
850 | ;; Run the special environment parsers and return the matches. | |
851 | ;; | |
852 | ;; The return value is (e.g.) either ("my-parser-function" . (point)) | |
853 | ;; or a list of them. | |
854 | ||
855 | ;; If WHICH is nil, immediately return nil. | |
856 | ;; If WHICH is 1, return innermost enclosing environment. | |
857 | ;; If WHICH is t, return list of all environments enclosing point. | |
858 | ;; If WHICH is a list of environments, look only for those environments and | |
859 | ;; return the name of the first environment in this list found to enclose | |
860 | ;; point. | |
861 | ||
862 | (unless reftex-section-regexp (reftex-compile-variables)) | |
863 | (catch 'exit | |
864 | (save-excursion | |
865 | (if (null reftex-special-env-parsers) (throw 'exit nil)) | |
866 | (if (null which) (throw 'exit nil)) | |
867 | (let ((bound (or bound (save-excursion (re-search-backward | |
868 | reftex-section-regexp nil 1) | |
869 | (point)))) | |
6b61353c KH |
870 | (fun-list (if (listp which) |
871 | (mapcar (lambda (x) (if (memq x which) x nil)) | |
872 | reftex-special-env-parsers) | |
873 | reftex-special-env-parsers)) | |
1a9461d0 | 874 | specials rtn) |
6b61353c KH |
875 | ;; Call all functions |
876 | (setq specials (mapcar | |
877 | (lambda (fun) | |
878 | (save-excursion | |
879 | (setq rtn (and fun (funcall fun bound))) | |
880 | (if rtn (cons (symbol-name fun) rtn) nil))) | |
881 | fun-list)) | |
882 | ;; Delete the non-matches | |
883 | (setq specials (delq nil specials)) | |
884 | ;; Sort | |
885 | (setq specials (sort specials (lambda (a b) (> (cdr a) (cdr b))))) | |
886 | (if (eq which t) | |
887 | specials | |
888 | (car specials)))))) | |
1a9461d0 CD |
889 | |
890 | (defsubst reftex-move-to-next-arg (&optional ignore) | |
891 | ;; Assuming that we are at the end of a macro name or a macro argument, | |
892 | ;; move forward to the opening parenthesis of the next argument. | |
893 | ;; This function understands the splitting of macros over several lines | |
894 | ;; in TeX. | |
895 | (cond | |
896 | ;; Just to be quick: | |
897 | ((memq (following-char) '(?\[ ?\{))) | |
898 | ;; Do a search | |
899 | ((and reftex-allow-detached-macro-args | |
6b61353c | 900 | (looking-at "[ \t]*[\n\r]?\\([ \t]*%[^\n\r]*[\n\r]\\)*[ \t]*[[{]")) |
1a9461d0 CD |
901 | (goto-char (1- (match-end 0))) |
902 | t) | |
903 | (t nil))) | |
904 | ||
905 | (defun reftex-nth-arg-wrapper (key) | |
906 | (let ((entry (assoc key reftex-env-or-mac-alist))) | |
907 | (reftex-nth-arg (nth 5 entry) (nth 6 entry)))) | |
908 | ||
909 | (defun reftex-nth-arg (n &optional opt-args) | |
910 | ;; Return the nth following {} or [] parentheses content. | |
911 | ;; OPT-ARGS is a list of argument numbers which are optional. | |
912 | ||
913 | ;; If we are sitting at a macro start, skip to end of macro name. | |
914 | (and (eq (following-char) ?\\) (skip-chars-forward "a-zA-Z*\\\\")) | |
915 | ||
916 | (if (= n 1000) | |
917 | ;; Special case: Skip all touching arguments | |
918 | (progn | |
6b61353c KH |
919 | (reftex-move-over-touching-args) |
920 | (reftex-context-substring)) | |
1a9461d0 CD |
921 | |
922 | ;; Do the real thing. | |
923 | (let ((cnt 1)) | |
6b61353c | 924 | |
1a9461d0 | 925 | (when (reftex-move-to-next-arg) |
6b61353c KH |
926 | |
927 | (while (< cnt n) | |
928 | (while (and (member cnt opt-args) | |
929 | (eq (following-char) ?\{)) | |
930 | (incf cnt)) | |
931 | (when (< cnt n) | |
932 | (unless (and (condition-case nil | |
933 | (or (forward-list 1) t) | |
934 | (error nil)) | |
935 | (reftex-move-to-next-arg) | |
936 | (incf cnt)) | |
937 | (setq cnt 1000)))) | |
938 | ||
939 | (while (and (memq cnt opt-args) | |
940 | (eq (following-char) ?\{)) | |
941 | (incf cnt))) | |
1a9461d0 | 942 | (if (and (= n cnt) |
6b61353c KH |
943 | (> (skip-chars-forward "{\\[") 0)) |
944 | (reftex-context-substring) | |
945 | nil)))) | |
1a9461d0 CD |
946 | |
947 | (defun reftex-move-over-touching-args () | |
948 | (condition-case nil | |
949 | (while (memq (following-char) '(?\[ ?\{)) | |
6b61353c KH |
950 | (forward-list 1)) |
951 | (error nil))) | |
1a9461d0 | 952 | |
7c4d13cc | 953 | (defun reftex-context-substring (&optional to-end) |
1a9461d0 CD |
954 | ;; Return up to 150 chars from point |
955 | ;; When point is just after a { or [, limit string to matching parenthesis | |
956 | (cond | |
7c4d13cc CD |
957 | (to-end |
958 | ;; Environment - find next \end | |
959 | (buffer-substring-no-properties | |
960 | (point) | |
961 | (min (+ (point) 150) | |
6b61353c KH |
962 | (save-match-data |
963 | ;; FIXME: This is not perfect | |
964 | (if (re-search-forward "\\\\end{" nil t) | |
965 | (match-beginning 0) | |
966 | (point-max)))))) | |
1a9461d0 CD |
967 | ((or (= (preceding-char) ?\{) |
968 | (= (preceding-char) ?\[)) | |
969 | ;; Inside a list - get only the list. | |
970 | (buffer-substring-no-properties | |
971 | (point) | |
972 | (min (+ (point) 150) | |
973 | (point-max) | |
974 | (condition-case nil | |
975 | (progn | |
976 | (up-list 1) | |
977 | (1- (point))) | |
978 | (error (point-max)))))) | |
979 | (t | |
980 | ;; no list - just grab 150 characters | |
6b61353c KH |
981 | (buffer-substring-no-properties (point) |
982 | (min (+ (point) 150) (point-max)))))) | |
1a9461d0 CD |
983 | |
984 | ;; Variable holding the vector with section numbers | |
28b707f9 | 985 | (defvar reftex-section-numbers (make-vector reftex-max-section-depth 0)) |
1a9461d0 CD |
986 | |
987 | (defun reftex-init-section-numbers (&optional toc-entry appendix) | |
988 | ;; Initialize the section numbers with zeros or with what is found | |
989 | ;; in the toc entry. | |
990 | (let* ((level (or (nth 5 toc-entry) -1)) | |
991 | (numbers (nreverse (split-string (or (nth 6 toc-entry) "") "\\."))) | |
992 | (depth (1- (length reftex-section-numbers))) | |
993 | (i depth) number-string) | |
994 | (while (>= i 0) | |
995 | (if (> i level) | |
996 | (aset reftex-section-numbers i 0) | |
6b61353c KH |
997 | (setq number-string (or (car numbers) "0")) |
998 | (if (string-match "\\`[A-Z]\\'" number-string) | |
999 | (aset reftex-section-numbers i | |
1000 | (- (string-to-char number-string) ?A -1)) | |
1001 | (aset reftex-section-numbers i (string-to-int number-string))) | |
1a9461d0 CD |
1002 | (pop numbers)) |
1003 | (decf i))) | |
1004 | (put 'reftex-section-numbers 'appendix appendix)) | |
1005 | ||
1006 | (defun reftex-section-number (&optional level star) | |
1007 | ;; Return a string with the current section number. | |
1008 | ;; When LEVEL is non-nil, increase section numbers on that level. | |
1009 | (let* ((depth (1- (length reftex-section-numbers))) idx n (string "") | |
6b61353c KH |
1010 | (appendix (get 'reftex-section-numbers 'appendix)) |
1011 | (partspecial (and (not reftex-part-resets-chapter) | |
1012 | (equal level 0)))) | |
3b919c9f CD |
1013 | ;; partspecial means, this is a part statement. |
1014 | ;; Parts do not reset the chapter counter, and the part number is | |
1015 | ;; not included in the numbering of other sectioning levels. | |
1a9461d0 CD |
1016 | (when level |
1017 | (when (and (> level -1) (not star)) | |
6b61353c KH |
1018 | (aset reftex-section-numbers |
1019 | level (1+ (aref reftex-section-numbers level)))) | |
1a9461d0 CD |
1020 | (setq idx (1+ level)) |
1021 | (when (not star) | |
6b61353c KH |
1022 | (while (<= idx depth) |
1023 | (if (or (not partspecial) | |
1024 | (not (= idx 1))) | |
1025 | (aset reftex-section-numbers idx 0)) | |
1026 | (incf idx)))) | |
3b919c9f | 1027 | (if partspecial |
6b61353c KH |
1028 | (setq string (concat "Part " (reftex-roman-number |
1029 | (aref reftex-section-numbers 0)))) | |
3b919c9f CD |
1030 | (setq idx (if reftex-part-resets-chapter 0 1)) |
1031 | (while (<= idx depth) | |
6b61353c KH |
1032 | (setq n (aref reftex-section-numbers idx)) |
1033 | (if (not (and partspecial (not (equal string "")))) | |
1034 | (setq string (concat string (if (not (string= string "")) "." "") | |
1035 | (int-to-string n)))) | |
1036 | (incf idx)) | |
3b919c9f | 1037 | (save-match-data |
6b61353c KH |
1038 | (if (string-match "\\`\\([@0]\\.\\)+" string) |
1039 | (setq string (replace-match "" nil nil string))) | |
1040 | (if (string-match "\\(\\.0\\)+\\'" string) | |
1041 | (setq string (replace-match "" nil nil string))) | |
1042 | (if (and appendix | |
1043 | (string-match "\\`[0-9]+" string)) | |
1044 | (setq string | |
1045 | (concat | |
1046 | (char-to-string | |
1047 | (1- (+ ?A (string-to-int (match-string 0 string))))) | |
1048 | (substring string (match-end 0)))))) | |
3b919c9f | 1049 | (if star |
6b61353c KH |
1050 | (concat (make-string (1- (length string)) ?\ ) "*") |
1051 | string)))) | |
3b919c9f CD |
1052 | |
1053 | (defun reftex-roman-number (n) | |
1054 | ;; Return as a string the roman number equal to N. | |
1055 | (let ((nrest n) | |
6b61353c KH |
1056 | (string "") |
1057 | (list '((1000 . "M") ( 900 . "CM") ( 500 . "D") ( 400 . "CD") | |
1058 | ( 100 . "C") ( 90 . "XC") ( 50 . "L") ( 40 . "XL") | |
1059 | ( 10 . "X") ( 9 . "IX") ( 5 . "V") ( 4 . "IV") | |
1060 | ( 1 . "I"))) | |
1061 | listel i s) | |
3b919c9f CD |
1062 | (while (>= nrest 1) |
1063 | (setq listel (pop list) | |
6b61353c KH |
1064 | i (car listel) |
1065 | s (cdr listel)) | |
3b919c9f | 1066 | (while (>= nrest i) |
6b61353c KH |
1067 | (setq string (concat string s) |
1068 | nrest (- nrest i)))) | |
3b919c9f | 1069 | string)) |
1a9461d0 | 1070 | |
6b61353c | 1071 | ;;; arch-tag: 6a8168f7-abb9-4576-99dc-fcbc7ba901a3 |
1a9461d0 | 1072 | ;;; reftex-parse.el ends here |