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3afbc435 | 1 | ;;; reftex-parse.el --- parser functions for RefTeX |
f2e3589a GM |
2 | |
3 | ;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, | |
12dc447f | 4 | ;; 2006, 2007, 2008 Free Software Foundation, Inc. |
3ba2590f | 5 | |
6fbeb429 | 6 | ;; Author: Carsten Dominik <dominik@science.uva.nl> |
ce545621 | 7 | ;; Maintainer: auctex-devel@gnu.org |
5d2a58e0 | 8 | ;; Version: 4.31 |
3ba2590f RS |
9 | |
10 | ;; This file is part of GNU Emacs. | |
11 | ||
12 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
13 | ;; it under the terms of the GNU General Public License as published by | |
5a9dffec | 14 | ;; the Free Software Foundation; either version 3, or (at your option) |
3ba2590f RS |
15 | ;; any later version. |
16 | ||
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
23 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
27e81652 TTN |
24 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
25 | ;; Boston, MA 02110-1301, USA. | |
1a9461d0 | 26 | |
3afbc435 PJ |
27 | ;;; Commentary: |
28 | ||
29 | ;;; Code: | |
30 | ||
7c4d13cc | 31 | (eval-when-compile (require 'cl)) |
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32 | (provide 'reftex-parse) |
33 | (require 'reftex) | |
34 | ||
35 | (defmacro reftex-with-special-syntax (&rest body) | |
36 | `(let ((saved-syntax (syntax-table))) | |
37 | (unwind-protect | |
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38 | (progn |
39 | (set-syntax-table reftex-syntax-table) | |
40 | (let ((case-fold-search nil)) | |
41 | ,@body)) | |
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42 | (set-syntax-table saved-syntax)))) |
43 | ||
44 | (defun reftex-parse-one () | |
45 | "Re-parse this file." | |
46 | (interactive) | |
47 | (let ((reftex-enable-partial-scans t)) | |
48 | (reftex-access-scan-info '(4)))) | |
49 | ||
50 | (defun reftex-parse-all () | |
51 | "Re-parse entire document." | |
52 | (interactive) | |
53 | (reftex-access-scan-info '(16))) | |
54 | ||
55 | (defun reftex-do-parse (rescan &optional file) | |
56 | "Do a document rescan. When allowed, do only a partial scan from FILE." | |
57 | ||
58 | ;; Normalize the rescan argument | |
59 | (setq rescan (cond ((eq rescan t) t) | |
60 | ((eq rescan 1) 1) | |
61 | ((equal rescan '(4)) t) | |
62 | ((equal rescan '(16)) 1) | |
63 | (t 1))) | |
64 | ||
65 | ;; Partial scans only when allowed | |
66 | (unless reftex-enable-partial-scans | |
67 | (setq rescan 1)) | |
68 | ||
69 | ;; Do the scanning. | |
70 | ||
71 | (let* ((old-list (symbol-value reftex-docstruct-symbol)) | |
72 | (master (reftex-TeX-master-file)) | |
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73 | (true-master (file-truename master)) |
74 | (master-dir (file-name-as-directory (file-name-directory master))) | |
1a9461d0 | 75 | (file (or file (buffer-file-name))) |
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76 | (true-file (file-truename file)) |
77 | (bibview-cache (assq 'bibview-cache old-list)) | |
78 | (index-tags (cdr (assq 'index-tags old-list))) | |
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79 | from-file appendix docstruct tmp) |
80 | ||
81 | ;; Make sure replacement is really an option here | |
82 | (when (and (eq rescan t) | |
83 | (not (and (member (list 'bof file) old-list) | |
84 | (member (list 'eof file) old-list)))) | |
85 | ;; Scan whole document because no such file section exists | |
86 | (setq rescan 1)) | |
87 | (when (string= true-file true-master) | |
88 | ;; Scan whole document because this file is the master | |
89 | (setq rescan 1)) | |
90 | ||
91 | ;; From which file do we start? | |
92 | (setq from-file | |
93 | (cond ((eq rescan t) (or file master)) | |
94 | ((eq rescan 1) master) | |
95 | (t (error "This should not happen (reftex-do-parse)")))) | |
96 | ||
97 | ;; Reset index-tags if we scan everything | |
98 | (if (equal rescan 1) (setq index-tags nil)) | |
99 | ||
100 | ;; Find active toc entry and initialize section-numbers | |
101 | (setq reftex-active-toc (reftex-last-assoc-before-elt | |
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102 | 'toc (list 'bof from-file) old-list) |
103 | appendix (reftex-last-assoc-before-elt | |
104 | 'appendix (list 'bof from-file) old-list)) | |
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105 | |
106 | (reftex-init-section-numbers reftex-active-toc appendix) | |
107 | ||
108 | (if (eq rescan 1) | |
109 | (message "Scanning entire document...") | |
110 | (message "Scanning document from %s..." from-file)) | |
111 | ||
112 | (reftex-with-special-syntax | |
113 | (save-window-excursion | |
114 | (save-excursion | |
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115 | (unwind-protect |
116 | (setq docstruct | |
117 | (reftex-parse-from-file | |
118 | from-file docstruct master-dir)) | |
119 | (reftex-kill-temporary-buffers))))) | |
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120 | |
121 | (message "Scanning document... done") | |
122 | ||
123 | ;; Turn the list around. | |
124 | (setq docstruct (nreverse docstruct)) | |
125 | ||
126 | ;; Set or insert | |
127 | (setq docstruct (reftex-replace-label-list-segment | |
128 | old-list docstruct (eq rescan 1))) | |
129 | ||
130 | ;; Add all missing information | |
131 | (unless (assq 'label-numbers docstruct) | |
132 | (push (cons 'label-numbers nil) docstruct)) | |
133 | (unless (assq 'master-dir docstruct) | |
134 | (push (cons 'master-dir master-dir) docstruct)) | |
135 | (unless (assq 'bibview-cache docstruct) | |
136 | (push (cons 'bibview-cache (cdr bibview-cache)) docstruct)) | |
137 | (let* ((bof1 (memq (assq 'bof docstruct) docstruct)) | |
138 | (bof2 (assq 'bof (cdr bof1))) | |
139 | (is-multi (not (not (and bof1 bof2)))) | |
140 | (entry (or (assq 'is-multi docstruct) | |
141 | (car (push (list 'is-multi is-multi) docstruct))))) | |
142 | (setcdr entry (cons is-multi nil))) | |
143 | (and index-tags (setq index-tags (sort index-tags 'string<))) | |
144 | (let ((index-tag-cell (assq 'index-tags docstruct))) | |
145 | (if index-tag-cell | |
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146 | (setcdr index-tag-cell index-tags) |
147 | (push (cons 'index-tags index-tags) docstruct))) | |
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148 | (unless (assq 'xr docstruct) |
149 | (let* ((allxr (reftex-all-assq 'xr-doc docstruct)) | |
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150 | (alist (mapcar |
151 | (lambda (x) | |
152 | (if (setq tmp (reftex-locate-file (nth 2 x) "tex" | |
153 | master-dir)) | |
154 | (cons (nth 1 x) tmp) | |
155 | (message "Can't find external document %s" | |
156 | (nth 2 x)) | |
157 | nil)) | |
158 | allxr)) | |
159 | (alist (delq nil alist)) | |
160 | (allprefix (delq nil (mapcar 'car alist))) | |
161 | (regexp (if allprefix | |
162 | (concat "\\`\\(" | |
163 | (mapconcat 'identity allprefix "\\|") | |
164 | "\\)") | |
165 | "\\\\\\\\\\\\"))) ; this will never match | |
166 | (push (list 'xr alist regexp) docstruct))) | |
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167 | |
168 | (set reftex-docstruct-symbol docstruct) | |
169 | (put reftex-docstruct-symbol 'modified t))) | |
170 | ||
171 | (defun reftex-everything-regexp () | |
172 | (if reftex-support-index | |
173 | reftex-everything-regexp | |
174 | reftex-everything-regexp-no-index)) | |
175 | ||
03ca24fb | 176 | ;;;###autoload |
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177 | (defun reftex-all-document-files (&optional relative) |
178 | "Return a list of all files belonging to the current document. | |
179 | When RELATIVE is non-nil, give file names relative to directory | |
180 | of master file." | |
181 | (let* ((all (symbol-value reftex-docstruct-symbol)) | |
182 | (master-dir (file-name-directory (reftex-TeX-master-file))) | |
183 | (re (concat "\\`" (regexp-quote master-dir))) | |
184 | file-list tmp file) | |
185 | (while (setq tmp (assoc 'bof all)) | |
186 | (setq file (nth 1 tmp) | |
187 | all (cdr (memq tmp all))) | |
188 | (and relative | |
189 | (string-match re file) | |
190 | (setq file (substring file (match-end 0)))) | |
191 | (push file file-list)) | |
192 | (nreverse file-list))) | |
193 | ||
194 | (defun reftex-parse-from-file (file docstruct master-dir) | |
195 | ;; Scan the buffer for labels and save them in a list. | |
196 | (let ((regexp (reftex-everything-regexp)) | |
197 | (bound 0) | |
198 | file-found tmp include-file | |
199 | (level 1) | |
200 | (highest-level 100) | |
201 | toc-entry index-entry next-buf buf) | |
202 | ||
203 | (catch 'exit | |
204 | (setq file-found (reftex-locate-file file "tex" master-dir)) | |
205 | (if (and (not file-found) | |
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206 | (setq buf (reftex-get-buffer-visiting file))) |
207 | (setq file-found (buffer-file-name buf))) | |
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208 | |
209 | (unless file-found | |
210 | (push (list 'file-error file) docstruct) | |
211 | (throw 'exit nil)) | |
212 | ||
213 | (save-excursion | |
214 | ||
215 | (message "Scanning file %s" file) | |
216 | (set-buffer | |
217 | (setq next-buf | |
218 | (reftex-get-file-buffer-force | |
219 | file-found | |
220 | (not (eq t reftex-keep-temporary-buffers))))) | |
221 | ||
222 | ;; Begin of file mark | |
223 | (setq file (buffer-file-name)) | |
224 | (push (list 'bof file) docstruct) | |
225 | ||
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226 | (reftex-with-special-syntax |
227 | (save-excursion | |
228 | (save-restriction | |
229 | (widen) | |
230 | (goto-char 1) | |
231 | ||
232 | (while (re-search-forward regexp nil t) | |
233 | ||
234 | (cond | |
235 | ||
236 | ((match-end 1) | |
237 | ;; It is a label | |
238 | (push (reftex-label-info (reftex-match-string 1) file bound) | |
239 | docstruct)) | |
240 | ||
241 | ((match-end 3) | |
242 | ;; It is a section | |
243 | (setq bound (point)) | |
244 | ||
245 | ;; Insert in List | |
246 | (setq toc-entry (reftex-section-info file)) | |
247 | (when toc-entry | |
248 | ;; It can happen that section info returns nil | |
249 | (setq level (nth 5 toc-entry)) | |
250 | (setq highest-level (min highest-level level)) | |
251 | (if (= level highest-level) | |
252 | (message | |
253 | "Scanning %s %s ..." | |
254 | (car (rassoc level reftex-section-levels-all)) | |
255 | (nth 6 toc-entry))) | |
256 | ||
257 | (push toc-entry docstruct) | |
258 | (setq reftex-active-toc toc-entry))) | |
259 | ||
260 | ((match-end 7) | |
261 | ;; It's an include or input | |
262 | (setq include-file (reftex-match-string 7)) | |
263 | ;; Test if this file should be ignored | |
264 | (unless (delq nil (mapcar | |
265 | (lambda (x) (string-match x include-file)) | |
266 | reftex-no-include-regexps)) | |
267 | ;; Parse it | |
268 | (setq docstruct | |
269 | (reftex-parse-from-file | |
270 | include-file | |
271 | docstruct master-dir)))) | |
272 | ||
273 | ((match-end 9) | |
274 | ;; Appendix starts here | |
275 | (reftex-init-section-numbers nil t) | |
276 | (push (cons 'appendix t) docstruct)) | |
277 | ||
278 | ((match-end 10) | |
279 | ;; Index entry | |
280 | (when reftex-support-index | |
281 | (setq index-entry (reftex-index-info file)) | |
282 | (when index-entry | |
283 | (add-to-list 'index-tags (nth 1 index-entry)) | |
284 | (push index-entry docstruct)))) | |
285 | ||
286 | ((match-end 11) | |
287 | ;; A macro with label | |
288 | (save-excursion | |
289 | (let* ((mac (reftex-match-string 11)) | |
290 | (label (progn (goto-char (match-end 11)) | |
291 | (save-match-data | |
292 | (reftex-no-props | |
293 | (reftex-nth-arg-wrapper | |
294 | mac))))) | |
295 | (typekey (nth 1 (assoc mac reftex-env-or-mac-alist))) | |
296 | (entry (progn (if typekey | |
297 | ;; A typing macro | |
298 | (goto-char (match-end 0)) | |
299 | ;; A neutral macro | |
300 | (goto-char (match-end 11)) | |
301 | (reftex-move-over-touching-args)) | |
302 | (reftex-label-info | |
303 | label file bound nil nil)))) | |
304 | (push entry docstruct)))) | |
305 | (t (error "This should not happen (reftex-parse-from-file)"))) | |
306 | ) | |
307 | ||
308 | ;; Find bibliography statement | |
309 | (when (setq tmp (reftex-locate-bibliography-files master-dir)) | |
310 | (push (cons 'bib tmp) docstruct)) | |
311 | ||
312 | (goto-char 1) | |
313 | (when (re-search-forward | |
314 | "\\(\\`\\|[\n\r]\\)[ \t]*\\\\begin{thebibliography}" nil t) | |
315 | (push (cons 'thebib file) docstruct)) | |
316 | ||
317 | ;; Find external document specifications | |
318 | (goto-char 1) | |
319 | (while (re-search-forward "[\n\r][ \t]*\\\\externaldocument\\(\\[\\([^]]*\\)\\]\\)?{\\([^}]+\\)}" nil t) | |
320 | (push (list 'xr-doc (reftex-match-string 2) | |
321 | (reftex-match-string 3)) | |
322 | docstruct)) | |
323 | ||
324 | ;; End of file mark | |
325 | (push (list 'eof file) docstruct))))) | |
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326 | |
327 | ;; Kill the scanned buffer | |
328 | (reftex-kill-temporary-buffers next-buf)) | |
329 | ||
330 | ;; Return the list | |
331 | docstruct)) | |
332 | ||
333 | (defun reftex-locate-bibliography-files (master-dir &optional files) | |
334 | ;; Scan buffer for bibliography macro and return file list. | |
3666daf6 | 335 | |
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336 | (unless files |
337 | (save-excursion | |
338 | (goto-char (point-min)) | |
339 | (if (re-search-forward | |
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340 | (concat |
341 | ; "\\(\\`\\|[\n\r]\\)[^%]*\\\\\\(" | |
342 | "\\(^\\)[^%\n\r]*\\\\\\(" | |
343 | (mapconcat 'identity reftex-bibliography-commands "\\|") | |
344 | "\\){[ \t]*\\([^}]+\\)") nil t) | |
345 | (setq files | |
346 | (split-string (reftex-match-string 3) | |
347 | "[ \t\n\r]*,[ \t\n\r]*"))))) | |
1a9461d0 | 348 | (when files |
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349 | (setq files |
350 | (mapcar | |
351 | (lambda (x) | |
352 | (if (or (member x reftex-bibfile-ignore-list) | |
353 | (delq nil (mapcar (lambda (re) (string-match re x)) | |
354 | reftex-bibfile-ignore-regexps))) | |
355 | ;; excluded file | |
356 | nil | |
357 | ;; find the file | |
358 | (reftex-locate-file x "bib" master-dir))) | |
359 | files)) | |
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360 | (delq nil files))) |
361 | ||
362 | (defun reftex-replace-label-list-segment (old insert &optional entirely) | |
363 | ;; Replace the segment in OLD which corresponds to INSERT. | |
364 | ;; Works with side effects, directly changes old. | |
365 | ;; If entirely is t, just return INSERT. | |
366 | ;; This function also makes sure the old toc markers do not point anywhere. | |
367 | ||
368 | (cond | |
369 | (entirely | |
370 | (reftex-silence-toc-markers old (length old)) | |
371 | insert) | |
372 | (t (let* ((new old) | |
373 | (file (nth 1 (car insert))) | |
374 | (eof-list (member (list 'eof file) old)) | |
375 | (bof-list (member (list 'bof file) old)) | |
376 | n) | |
377 | (if (not (and bof-list eof-list)) | |
378 | (error "Cannot splice") | |
379 | ;; Splice | |
380 | (reftex-silence-toc-markers bof-list (- (length bof-list) | |
381 | (length eof-list))) | |
382 | (setq n (- (length old) (length bof-list))) | |
383 | (setcdr (nthcdr n new) (cdr insert)) | |
384 | (setcdr (nthcdr (1- (length new)) new) (cdr eof-list))) | |
385 | new)))) | |
386 | ||
387 | (defun reftex-section-info (file) | |
388 | ;; Return a section entry for the current match. | |
389 | ;; Carefull: This function expects the match-data to be still in place! | |
390 | (let* ((marker (set-marker (make-marker) (1- (match-beginning 3)))) | |
391 | (macro (reftex-match-string 3)) | |
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392 | (prefix (save-match-data |
393 | (if (string-match "begin{\\([^}]+\\)}" macro) | |
394 | (match-string 1 macro)))) | |
395 | (level-exp (cdr (assoc macro reftex-section-levels-all))) | |
28b707f9 | 396 | (level (if (symbolp level-exp) |
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397 | (save-match-data (funcall level-exp)) |
398 | level-exp)) | |
399 | (star (= ?* (char-after (match-end 3)))) | |
400 | (unnumbered (or star (< level 0))) | |
401 | (level (abs level)) | |
1a9461d0 | 402 | (section-number (reftex-section-number level unnumbered)) |
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403 | (text1 (save-match-data |
404 | (save-excursion | |
405 | (reftex-context-substring prefix)))) | |
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406 | (literal (buffer-substring-no-properties |
407 | (1- (match-beginning 3)) | |
408 | (min (point-max) (+ (match-end 0) (length text1) 1)))) | |
3666daf6 | 409 | ;; Literal can be too short since text1 too short. No big problem. |
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410 | (text (reftex-nicify-text text1))) |
411 | ||
412 | ;; Add section number and indentation | |
413 | (setq text | |
414 | (concat | |
415 | (make-string (* reftex-level-indent level) ?\ ) | |
416 | (if (nth 1 reftex-label-menu-flags) ; section number flag | |
417 | (concat section-number " ")) | |
3666daf6 | 418 | (if prefix (concat (capitalize prefix) ": ") "") |
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419 | text)) |
420 | (list 'toc "toc" text file marker level section-number | |
421 | literal (marker-position marker)))) | |
422 | ||
423 | (defun reftex-ensure-index-support (&optional abort) | |
424 | ;; When index support is turned off, ask to turn it on and | |
425 | ;; set the current prefix argument so that `reftex-access-scan-info' | |
426 | ;; will rescan the entire document. | |
427 | (cond | |
428 | (reftex-support-index t) | |
429 | ((y-or-n-p "Turn on index support and rescan entire document? ") | |
430 | (setq reftex-support-index 'demanded | |
3666daf6 | 431 | current-prefix-arg '(16))) |
1a9461d0 | 432 | (t (if abort |
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433 | (error "No index support") |
434 | (message "No index support") | |
435 | (ding) | |
436 | (sit-for 1))))) | |
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437 | |
438 | (defun reftex-index-info-safe (file) | |
439 | (reftex-with-special-syntax | |
440 | (reftex-index-info file))) | |
441 | ||
442 | (defvar test-dummy) | |
443 | (defun reftex-index-info (file) | |
444 | ;; Return an index entry for the current match. | |
445 | ;; Carefull: This function expects the match-data to be still in place! | |
446 | (catch 'exit | |
447 | (let* ((macro (reftex-match-string 10)) | |
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448 | (bom (match-beginning 10)) |
449 | (boa (match-end 10)) | |
450 | (entry (or (assoc macro reftex-index-macro-alist) | |
451 | (throw 'exit nil))) | |
452 | (exclude (nth 3 entry)) | |
453 | ;; The following is a test if this match should be excluded | |
454 | (test-dummy (and (fboundp exclude) | |
455 | (funcall exclude) | |
456 | (throw 'exit nil))) | |
457 | (itag (nth 1 entry)) | |
458 | (prefix (nth 2 entry)) | |
459 | (index-tag | |
460 | (cond ((stringp itag) itag) | |
461 | ((integerp itag) | |
462 | (progn (goto-char boa) | |
463 | (or (reftex-nth-arg itag (nth 6 entry)) "idx"))) | |
464 | (t "idx"))) | |
465 | (arg (or (progn (goto-char boa) | |
466 | (reftex-nth-arg (nth 5 entry) (nth 6 entry))) | |
467 | "")) | |
468 | (end-of-args (progn (goto-char boa) | |
469 | (reftex-move-over-touching-args) | |
470 | (point))) | |
471 | (end-of-context (progn (skip-chars-forward "^ \t\n\r") (point))) | |
472 | (begin-of-context | |
473 | (progn (goto-char bom) | |
474 | (skip-chars-backward "^ \t\r\n") | |
475 | (point))) | |
476 | (context (buffer-substring-no-properties | |
477 | begin-of-context end-of-context)) | |
478 | (key-end (if (string-match reftex-index-key-end-re arg) | |
479 | (1+ (match-beginning 0)))) | |
480 | (rawkey (substring arg 0 key-end)) | |
481 | ||
482 | (key (if prefix (concat prefix rawkey) rawkey)) | |
483 | (sortkey (downcase key)) | |
484 | (showkey (mapconcat 'identity | |
485 | (split-string key reftex-index-level-re) | |
486 | " ! "))) | |
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487 | (goto-char end-of-args) |
488 | ;; 0 1 2 3 4 5 6 7 8 9 | |
489 | (list 'index index-tag context file bom arg key showkey sortkey key-end)))) | |
3666daf6 | 490 | |
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491 | (defun reftex-short-context (env parse &optional bound derive) |
492 | ;; Get about one line of useful context for the label definition at point. | |
493 | ||
494 | (if (consp parse) | |
495 | (setq parse (if derive (cdr parse) (car parse)))) | |
496 | ||
497 | (reftex-nicify-text | |
498 | ||
499 | (cond | |
500 | ||
501 | ((null parse) | |
502 | (save-excursion | |
503 | (reftex-context-substring))) | |
504 | ||
505 | ((eq parse t) | |
506 | (if (string= env "section") | |
507 | ;; special treatment for section labels | |
508 | (save-excursion | |
509 | (if (and (re-search-backward reftex-section-or-include-regexp | |
510 | (point-min) t) | |
511 | (match-end 2)) | |
512 | (progn | |
513 | (goto-char (match-end 0)) | |
514 | (reftex-context-substring)) | |
515 | (if reftex-active-toc | |
516 | (progn | |
517 | (string-match "{\\([^}]*\\)" (nth 7 reftex-active-toc)) | |
518 | (match-string 1 (nth 7 reftex-active-toc))) | |
519 | "SECTION HEADING NOT FOUND"))) | |
520 | (save-excursion | |
3666daf6 CD |
521 | (goto-char reftex-default-context-position) |
522 | (unless (eq (string-to-char env) ?\\) | |
523 | (reftex-move-over-touching-args)) | |
1a9461d0 CD |
524 | (reftex-context-substring)))) |
525 | ||
526 | ((stringp parse) | |
527 | (save-excursion | |
528 | (if (re-search-backward parse bound t) | |
529 | (progn | |
530 | (goto-char (match-end 0)) | |
531 | (reftex-context-substring)) | |
532 | "NO MATCH FOR CONTEXT REGEXP"))) | |
533 | ||
534 | ((integerp parse) | |
535 | (or (save-excursion | |
536 | (goto-char reftex-default-context-position) | |
537 | (reftex-nth-arg | |
538 | parse | |
539 | (nth 6 (assoc env reftex-env-or-mac-alist)))) | |
540 | "")) | |
541 | ||
542 | ((fboundp parse) | |
543 | ;; A hook function. Call it. | |
544 | (save-excursion | |
545 | (condition-case error-var | |
546 | (funcall parse env) | |
547 | (error (format "HOOK ERROR: %s" (cdr error-var)))))) | |
548 | (t | |
5181ff9f | 549 | "INVALID VALUE OF PARSE")))) |
1a9461d0 CD |
550 | |
551 | (defun reftex-where-am-I () | |
552 | ;; Return the docstruct entry above point. Actually returns a cons | |
553 | ;; cell in which the cdr is a flag indicating if the information is | |
554 | ;; exact (t) or approximate (nil). | |
555 | ||
556 | (let ((docstruct (symbol-value reftex-docstruct-symbol)) | |
3b919c9f | 557 | (cnt 0) rtn rtn-if-no-other |
1a9461d0 CD |
558 | found) |
559 | (save-excursion | |
560 | (while (not rtn) | |
561 | (incf cnt) | |
562 | (setq found (re-search-backward (reftex-everything-regexp) nil t)) | |
563 | (setq rtn | |
564 | (cond | |
565 | ((not found) | |
566 | ;; no match | |
567 | (or | |
568 | (car (member (list 'bof (buffer-file-name)) docstruct)) | |
569 | (not (setq cnt 2)) | |
570 | (assq 'bof docstruct) ;; for safety reasons | |
571 | 'corrupted)) | |
572 | ((match-end 1) | |
573 | ;; Label | |
574 | (assoc (reftex-match-string 1) | |
575 | (symbol-value reftex-docstruct-symbol))) | |
576 | ((match-end 3) | |
577 | ;; Section | |
578 | (goto-char (1- (match-beginning 3))) | |
579 | (let* ((list (member (list 'bof (buffer-file-name)) | |
580 | docstruct)) | |
581 | (endelt (car (member (list 'eof (buffer-file-name)) | |
582 | list))) | |
583 | rtn1) | |
584 | (while (and list (not (eq endelt (car list)))) | |
585 | (if (and (eq (car (car list)) 'toc) | |
586 | (string= (buffer-file-name) | |
587 | (nth 3 (car list)))) | |
588 | (cond | |
589 | ((equal (point) | |
590 | (or (and (markerp (nth 4 (car list))) | |
591 | (marker-position (nth 4 (car list)))) | |
592 | (nth 8 (car list)))) | |
593 | ;; Fits with marker position or recorded position | |
594 | (setq rtn1 (car list) list nil)) | |
595 | ((looking-at (reftex-make-regexp-allow-for-ctrl-m | |
596 | (nth 7 (car list)))) | |
3b919c9f | 597 | ;; Same title: remember, but keep looking |
3666daf6 | 598 | (setq rtn-if-no-other (car list))))) |
1a9461d0 CD |
599 | (pop list)) |
600 | rtn1)) | |
601 | ((match-end 7) | |
602 | ;; Input or include... | |
603 | (car | |
604 | (member (list 'eof (reftex-locate-file | |
605 | (reftex-match-string 7) "tex" | |
3666daf6 | 606 | (cdr (assq 'master-dir docstruct)))) |
1a9461d0 | 607 | docstruct))) |
3666daf6 CD |
608 | ((match-end 9) |
609 | (assq 'appendix (symbol-value reftex-docstruct-symbol))) | |
610 | ((match-end 10) | |
611 | ;; Index entry | |
612 | (when reftex-support-index | |
613 | (let* ((index-info (save-excursion | |
614 | (reftex-index-info-safe nil))) | |
615 | (list (member (list 'bof (buffer-file-name)) | |
616 | docstruct)) | |
617 | (endelt (car (member (list 'eof (buffer-file-name)) | |
618 | list))) | |
619 | dist last-dist last (n 0)) | |
620 | ;; Check all index entries with equal text | |
621 | (while (and list (not (eq endelt (car list)))) | |
622 | (when (and (eq (car (car list)) 'index) | |
623 | (string= (nth 2 index-info) | |
624 | (nth 2 (car list)))) | |
625 | (incf n) | |
626 | (setq dist (abs (- (point) (nth 4 (car list))))) | |
627 | (if (or (not last-dist) (< dist last-dist)) | |
628 | (setq last-dist dist last (car list)))) | |
629 | (setq list (cdr list))) | |
630 | ;; We are sure if we have only one, or a zero distance | |
631 | (cond ((or (= n 1) (equal dist 0)) last) | |
632 | ((> n 1) (setq cnt 2) last) | |
633 | (t nil))))) | |
634 | ((match-end 11) | |
1a9461d0 CD |
635 | (save-excursion |
636 | (goto-char (match-end 11)) | |
637 | (assoc (reftex-no-props | |
638 | (reftex-nth-arg-wrapper | |
639 | (reftex-match-string 11))) | |
640 | (symbol-value reftex-docstruct-symbol)))) | |
641 | (t | |
642 | (error "This should not happen (reftex-where-am-I)")))))) | |
3b919c9f CD |
643 | ;; Check if there was only a by-name match for the section. |
644 | (when (and (not rtn) rtn-if-no-other) | |
645 | (setq rtn rtn-if-no-other | |
3666daf6 | 646 | cnt 2)) |
1a9461d0 CD |
647 | (cons rtn (eq cnt 1)))) |
648 | ||
649 | (defun reftex-notice-new (&optional n force) | |
650 | "Hook to handshake with RefTeX after something new has been inserted." | |
651 | ;; Add a new entry to the docstruct list. If it is a section, renumber | |
652 | ;; the following sections. | |
3666daf6 | 653 | ;; FIXME: Put in a WHAT parameter and search backward until one is found. |
1a9461d0 CD |
654 | ;; When N is given, go back that many matches of reftex-everything-regexp |
655 | ;; When FORCE is non-nil, also insert if `reftex-where-am-I' was uncertain. | |
656 | (condition-case nil | |
657 | (catch 'exit | |
3666daf6 CD |
658 | (unless reftex-mode (throw 'exit nil)) |
659 | (reftex-access-scan-info) | |
660 | (let* ((docstruct (symbol-value reftex-docstruct-symbol)) | |
661 | here-I-am appendix tail entry star level | |
662 | section-number context) | |
1a9461d0 CD |
663 | |
664 | (save-excursion | |
665 | (when (re-search-backward (reftex-everything-regexp) nil t (or n 1)) | |
666 | ||
3666daf6 CD |
667 | ;; Find where we are |
668 | (setq here-I-am (reftex-where-am-I)) | |
669 | (or here-I-am (throw 'exit nil)) | |
670 | (unless (or force (cdr here-I-am)) (throw 'exit nil)) | |
671 | (setq tail (memq (car here-I-am) docstruct)) | |
672 | (or tail (throw 'exit nil)) | |
673 | (setq reftex-active-toc (reftex-last-assoc-before-elt | |
674 | 'toc (car here-I-am) docstruct) | |
675 | appendix (reftex-last-assoc-before-elt | |
676 | 'appendix (car here-I-am) docstruct)) | |
677 | ||
678 | ;; Initialize section numbers | |
679 | (if (eq (car (car here-I-am)) 'appendix) | |
680 | (reftex-init-section-numbers nil t) | |
681 | (reftex-init-section-numbers reftex-active-toc appendix)) | |
682 | ||
683 | ;; Match the section command | |
684 | (when (re-search-forward (reftex-everything-regexp) nil t) | |
685 | (cond | |
686 | ((match-end 1) | |
687 | (push (reftex-label-info (reftex-match-string 1) buffer-file-name) | |
688 | (cdr tail))) | |
689 | ||
690 | ((match-end 3) | |
691 | (setq star (= ?* (char-after (match-end 3))) | |
692 | entry (reftex-section-info (buffer-file-name)) | |
693 | level (nth 5 entry)) | |
694 | ;; Insert the section info | |
695 | (push entry (cdr tail)) | |
696 | ||
697 | ;; We are done unless we use section numbers | |
698 | (unless (nth 1 reftex-label-menu-flags) (throw 'exit nil)) | |
699 | ||
700 | ;; Update the remaining toc items | |
701 | (setq tail (cdr tail)) | |
702 | (while (and (setq tail (memq (assq 'toc (cdr tail)) tail)) | |
703 | (setq entry (car tail)) | |
704 | (>= (nth 5 entry) level)) | |
705 | (setq star (string-match "\\*" (nth 6 entry)) | |
706 | context (nth 2 entry) | |
707 | section-number | |
708 | (reftex-section-number (nth 5 entry) star)) | |
709 | (when (string-match "\\`\\([ \t]*\\)\\([.0-9A-Z]+\\)\\(.*\\)" | |
710 | context) | |
711 | (when (and (not appendix) | |
712 | (>= (string-to-char (match-string 2)) ?A)) | |
713 | ;; Just entered the appendex. Get out. | |
714 | (throw 'exit nil)) | |
715 | ||
716 | ;; Change the section number. | |
717 | (setf (nth 2 entry) | |
718 | (concat (match-string 1 context) | |
719 | section-number | |
720 | (match-string 3 context)))))) | |
721 | ((match-end 10) | |
722 | ;; Index entry | |
723 | (and reftex-support-index | |
724 | (setq entry (reftex-index-info-safe buffer-file-name)) | |
725 | ;; FIXME: (add-to-list 'index-tags (nth 1 index-entry)) | |
726 | (push entry (cdr tail)))))))))) | |
727 | ||
1a9461d0 CD |
728 | (error nil)) |
729 | ) | |
730 | ||
731 | (defsubst reftex-move-to-previous-arg (&optional bound) | |
732 | ;; Assuming that we are in front of a macro argument, | |
733 | ;; move backward to the closing parenthesis of the previous argument. | |
734 | ;; This function understands the splitting of macros over several lines | |
735 | ;; in TeX. | |
736 | (cond | |
737 | ;; Just to be quick: | |
738 | ((memq (preceding-char) '(?\] ?\}))) | |
739 | ;; Do a search | |
740 | ((and reftex-allow-detached-macro-args | |
3666daf6 CD |
741 | (re-search-backward |
742 | "[]}][ \t]*[\n\r]?\\([ \t]*%[^\n\r]*[\n\r]\\)*[ \t]*\\=" bound t)) | |
1a9461d0 CD |
743 | (goto-char (1+ (match-beginning 0))) |
744 | t) | |
745 | (t nil))) | |
746 | ||
747 | (defun reftex-what-macro-safe (which &optional bound) | |
748 | ;; reftex-what-macro with special syntax table. | |
749 | (reftex-with-special-syntax | |
750 | (reftex-what-macro which bound))) | |
751 | ||
752 | (defun reftex-what-macro (which &optional bound) | |
753 | ;; Find out if point is within the arguments of any TeX-macro. | |
754 | ;; The return value is either ("\\macro" . (point)) or a list of them. | |
755 | ||
756 | ;; If WHICH is nil, immediately return nil. | |
757 | ;; If WHICH is 1, return innermost enclosing macro. | |
758 | ;; If WHICH is t, return list of all macros enclosing point. | |
759 | ;; If WHICH is a list of macros, look only for those macros and return the | |
760 | ;; name of the first macro in this list found to enclose point. | |
761 | ;; If the optional BOUND is an integer, bound backwards directed | |
762 | ;; searches to this point. If it is nil, limit to nearest \section - | |
763 | ;; like statement. | |
764 | ||
765 | ;; This function is pretty stable, but can be fooled if the text contains | |
766 | ;; things like \macro{aa}{bb} where \macro is defined to take only one | |
767 | ;; argument. As RefTeX cannot know this, the string "bb" would still be | |
768 | ;; considered an argument of macro \macro. | |
769 | ||
770 | (unless reftex-section-regexp (reftex-compile-variables)) | |
771 | (catch 'exit | |
772 | (if (null which) (throw 'exit nil)) | |
773 | (let ((bound (or bound (save-excursion (re-search-backward | |
774 | reftex-section-regexp nil 1) | |
775 | (point)))) | |
776 | pos cmd-list cmd cnt cnt-opt entry) | |
777 | (save-restriction | |
778 | (save-excursion | |
3666daf6 | 779 | (narrow-to-region (max 1 bound) (point-max)) |
1a9461d0 CD |
780 | ;; move back out of the current parenthesis |
781 | (while (condition-case nil | |
782 | (progn (up-list -1) t) | |
783 | (error nil)) | |
784 | (setq cnt 1 cnt-opt 0) | |
785 | ;; move back over any touching sexps | |
786 | (while (and (reftex-move-to-previous-arg bound) | |
3666daf6 CD |
787 | (condition-case nil |
788 | (progn (backward-sexp) t) | |
789 | (error nil))) | |
790 | (if (eq (following-char) ?\[) (incf cnt-opt)) | |
1a9461d0 CD |
791 | (incf cnt)) |
792 | (setq pos (point)) | |
793 | (when (and (or (= (following-char) ?\[) | |
794 | (= (following-char) ?\{)) | |
795 | (re-search-backward "\\\\[*a-zA-Z]+\\=" nil t)) | |
796 | (setq cmd (reftex-match-string 0)) | |
3666daf6 CD |
797 | (when (looking-at "\\\\begin{[^}]*}") |
798 | (setq cmd (reftex-match-string 0) | |
799 | cnt (1- cnt))) | |
800 | ;; This does ignore optional arguments. Very hard to fix. | |
801 | (when (setq entry (assoc cmd reftex-env-or-mac-alist)) | |
802 | (if (> cnt (or (nth 4 entry) 100)) | |
803 | (setq cmd nil))) | |
1a9461d0 | 804 | (cond |
3666daf6 CD |
805 | ((null cmd)) |
806 | ((eq t which) | |
807 | (push (cons cmd (point)) cmd-list)) | |
808 | ((or (eq 1 which) (member cmd which)) | |
809 | (throw 'exit (cons cmd (point)))))) | |
1a9461d0 CD |
810 | (goto-char pos))) |
811 | (nreverse cmd-list))))) | |
812 | ||
813 | (defun reftex-what-environment (which &optional bound) | |
814 | ;; Find out if point is inside a LaTeX environment. | |
815 | ;; The return value is (e.g.) either ("equation" . (point)) or a list of | |
816 | ;; them. | |
817 | ||
818 | ;; If WHICH is nil, immediately return nil. | |
819 | ;; If WHICH is 1, return innermost enclosing environment. | |
820 | ;; If WHICH is t, return list of all environments enclosing point. | |
821 | ;; If WHICH is a list of environments, look only for those environments and | |
822 | ;; return the name of the first environment in this list found to enclose | |
823 | ;; point. | |
824 | ||
825 | ;; If the optional BOUND is an integer, bound backwards directed searches to | |
826 | ;; this point. If it is nil, limit to nearest \section - like statement. | |
827 | ||
828 | (unless reftex-section-regexp (reftex-compile-variables)) | |
829 | (catch 'exit | |
830 | (save-excursion | |
831 | (if (null which) (throw 'exit nil)) | |
832 | (let ((bound (or bound (save-excursion (re-search-backward | |
833 | reftex-section-regexp nil 1) | |
834 | (point)))) | |
835 | env-list end-list env) | |
836 | (while (re-search-backward "\\\\\\(begin\\|end\\){\\([^}]+\\)}" | |
837 | bound t) | |
838 | (setq env (buffer-substring-no-properties | |
839 | (match-beginning 2) (match-end 2))) | |
840 | (cond | |
841 | ((string= (match-string 1) "end") | |
3666daf6 | 842 | (push env end-list)) |
1a9461d0 CD |
843 | ((equal env (car end-list)) |
844 | (setq end-list (cdr end-list))) | |
845 | ((eq t which) | |
846 | (push (cons env (point)) env-list)) | |
847 | ((or (eq 1 which) (member env which)) | |
848 | (throw 'exit (cons env (point)))))) | |
849 | (nreverse env-list))))) | |
850 | ||
851 | (defun reftex-what-special-env (which &optional bound) | |
852 | ;; Run the special environment parsers and return the matches. | |
853 | ;; | |
854 | ;; The return value is (e.g.) either ("my-parser-function" . (point)) | |
855 | ;; or a list of them. | |
856 | ||
857 | ;; If WHICH is nil, immediately return nil. | |
858 | ;; If WHICH is 1, return innermost enclosing environment. | |
859 | ;; If WHICH is t, return list of all environments enclosing point. | |
860 | ;; If WHICH is a list of environments, look only for those environments and | |
861 | ;; return the name of the first environment in this list found to enclose | |
862 | ;; point. | |
863 | ||
864 | (unless reftex-section-regexp (reftex-compile-variables)) | |
865 | (catch 'exit | |
866 | (save-excursion | |
867 | (if (null reftex-special-env-parsers) (throw 'exit nil)) | |
868 | (if (null which) (throw 'exit nil)) | |
869 | (let ((bound (or bound (save-excursion (re-search-backward | |
870 | reftex-section-regexp nil 1) | |
871 | (point)))) | |
3666daf6 CD |
872 | (fun-list (if (listp which) |
873 | (mapcar (lambda (x) (if (memq x which) x nil)) | |
874 | reftex-special-env-parsers) | |
875 | reftex-special-env-parsers)) | |
1a9461d0 | 876 | specials rtn) |
3666daf6 CD |
877 | ;; Call all functions |
878 | (setq specials (mapcar | |
879 | (lambda (fun) | |
880 | (save-excursion | |
881 | (setq rtn (and fun (funcall fun bound))) | |
882 | (if rtn (cons (symbol-name fun) rtn) nil))) | |
883 | fun-list)) | |
884 | ;; Delete the non-matches | |
885 | (setq specials (delq nil specials)) | |
886 | ;; Sort | |
887 | (setq specials (sort specials (lambda (a b) (> (cdr a) (cdr b))))) | |
888 | (if (eq which t) | |
889 | specials | |
890 | (car specials)))))) | |
1a9461d0 CD |
891 | |
892 | (defsubst reftex-move-to-next-arg (&optional ignore) | |
893 | ;; Assuming that we are at the end of a macro name or a macro argument, | |
894 | ;; move forward to the opening parenthesis of the next argument. | |
895 | ;; This function understands the splitting of macros over several lines | |
896 | ;; in TeX. | |
897 | (cond | |
898 | ;; Just to be quick: | |
899 | ((memq (following-char) '(?\[ ?\{))) | |
900 | ;; Do a search | |
901 | ((and reftex-allow-detached-macro-args | |
3666daf6 | 902 | (looking-at "[ \t]*[\n\r]?\\([ \t]*%[^\n\r]*[\n\r]\\)*[ \t]*[[{]")) |
1a9461d0 CD |
903 | (goto-char (1- (match-end 0))) |
904 | t) | |
905 | (t nil))) | |
906 | ||
907 | (defun reftex-nth-arg-wrapper (key) | |
908 | (let ((entry (assoc key reftex-env-or-mac-alist))) | |
909 | (reftex-nth-arg (nth 5 entry) (nth 6 entry)))) | |
910 | ||
911 | (defun reftex-nth-arg (n &optional opt-args) | |
912 | ;; Return the nth following {} or [] parentheses content. | |
913 | ;; OPT-ARGS is a list of argument numbers which are optional. | |
914 | ||
915 | ;; If we are sitting at a macro start, skip to end of macro name. | |
916 | (and (eq (following-char) ?\\) (skip-chars-forward "a-zA-Z*\\\\")) | |
917 | ||
918 | (if (= n 1000) | |
919 | ;; Special case: Skip all touching arguments | |
920 | (progn | |
3666daf6 CD |
921 | (reftex-move-over-touching-args) |
922 | (reftex-context-substring)) | |
1a9461d0 CD |
923 | |
924 | ;; Do the real thing. | |
925 | (let ((cnt 1)) | |
3666daf6 | 926 | |
1a9461d0 | 927 | (when (reftex-move-to-next-arg) |
3666daf6 CD |
928 | |
929 | (while (< cnt n) | |
930 | (while (and (member cnt opt-args) | |
931 | (eq (following-char) ?\{)) | |
932 | (incf cnt)) | |
933 | (when (< cnt n) | |
934 | (unless (and (condition-case nil | |
935 | (or (forward-list 1) t) | |
936 | (error nil)) | |
937 | (reftex-move-to-next-arg) | |
938 | (incf cnt)) | |
939 | (setq cnt 1000)))) | |
940 | ||
941 | (while (and (memq cnt opt-args) | |
942 | (eq (following-char) ?\{)) | |
943 | (incf cnt))) | |
1a9461d0 | 944 | (if (and (= n cnt) |
3666daf6 CD |
945 | (> (skip-chars-forward "{\\[") 0)) |
946 | (reftex-context-substring) | |
947 | nil)))) | |
1a9461d0 CD |
948 | |
949 | (defun reftex-move-over-touching-args () | |
950 | (condition-case nil | |
951 | (while (memq (following-char) '(?\[ ?\{)) | |
3666daf6 CD |
952 | (forward-list 1)) |
953 | (error nil))) | |
1a9461d0 | 954 | |
7c4d13cc | 955 | (defun reftex-context-substring (&optional to-end) |
1a9461d0 CD |
956 | ;; Return up to 150 chars from point |
957 | ;; When point is just after a { or [, limit string to matching parenthesis | |
958 | (cond | |
7c4d13cc CD |
959 | (to-end |
960 | ;; Environment - find next \end | |
961 | (buffer-substring-no-properties | |
962 | (point) | |
963 | (min (+ (point) 150) | |
3666daf6 CD |
964 | (save-match-data |
965 | ;; FIXME: This is not perfect | |
966 | (if (re-search-forward "\\\\end{" nil t) | |
967 | (match-beginning 0) | |
968 | (point-max)))))) | |
1a9461d0 CD |
969 | ((or (= (preceding-char) ?\{) |
970 | (= (preceding-char) ?\[)) | |
971 | ;; Inside a list - get only the list. | |
972 | (buffer-substring-no-properties | |
973 | (point) | |
974 | (min (+ (point) 150) | |
975 | (point-max) | |
976 | (condition-case nil | |
977 | (progn | |
978 | (up-list 1) | |
979 | (1- (point))) | |
980 | (error (point-max)))))) | |
981 | (t | |
982 | ;; no list - just grab 150 characters | |
3666daf6 CD |
983 | (buffer-substring-no-properties (point) |
984 | (min (+ (point) 150) (point-max)))))) | |
1a9461d0 CD |
985 | |
986 | ;; Variable holding the vector with section numbers | |
28b707f9 | 987 | (defvar reftex-section-numbers (make-vector reftex-max-section-depth 0)) |
1a9461d0 CD |
988 | |
989 | (defun reftex-init-section-numbers (&optional toc-entry appendix) | |
990 | ;; Initialize the section numbers with zeros or with what is found | |
991 | ;; in the toc entry. | |
992 | (let* ((level (or (nth 5 toc-entry) -1)) | |
993 | (numbers (nreverse (split-string (or (nth 6 toc-entry) "") "\\."))) | |
994 | (depth (1- (length reftex-section-numbers))) | |
995 | (i depth) number-string) | |
996 | (while (>= i 0) | |
997 | (if (> i level) | |
998 | (aset reftex-section-numbers i 0) | |
3666daf6 CD |
999 | (setq number-string (or (car numbers) "0")) |
1000 | (if (string-match "\\`[A-Z]\\'" number-string) | |
1001 | (aset reftex-section-numbers i | |
1002 | (- (string-to-char number-string) ?A -1)) | |
027a4b6b | 1003 | (aset reftex-section-numbers i (string-to-number number-string))) |
1a9461d0 CD |
1004 | (pop numbers)) |
1005 | (decf i))) | |
1006 | (put 'reftex-section-numbers 'appendix appendix)) | |
1007 | ||
1008 | (defun reftex-section-number (&optional level star) | |
1009 | ;; Return a string with the current section number. | |
1010 | ;; When LEVEL is non-nil, increase section numbers on that level. | |
1011 | (let* ((depth (1- (length reftex-section-numbers))) idx n (string "") | |
3666daf6 CD |
1012 | (appendix (get 'reftex-section-numbers 'appendix)) |
1013 | (partspecial (and (not reftex-part-resets-chapter) | |
1014 | (equal level 0)))) | |
3b919c9f CD |
1015 | ;; partspecial means, this is a part statement. |
1016 | ;; Parts do not reset the chapter counter, and the part number is | |
1017 | ;; not included in the numbering of other sectioning levels. | |
1a9461d0 CD |
1018 | (when level |
1019 | (when (and (> level -1) (not star)) | |
3666daf6 CD |
1020 | (aset reftex-section-numbers |
1021 | level (1+ (aref reftex-section-numbers level)))) | |
1a9461d0 CD |
1022 | (setq idx (1+ level)) |
1023 | (when (not star) | |
3666daf6 CD |
1024 | (while (<= idx depth) |
1025 | (if (or (not partspecial) | |
1026 | (not (= idx 1))) | |
1027 | (aset reftex-section-numbers idx 0)) | |
1028 | (incf idx)))) | |
3b919c9f | 1029 | (if partspecial |
3666daf6 CD |
1030 | (setq string (concat "Part " (reftex-roman-number |
1031 | (aref reftex-section-numbers 0)))) | |
3b919c9f CD |
1032 | (setq idx (if reftex-part-resets-chapter 0 1)) |
1033 | (while (<= idx depth) | |
3666daf6 CD |
1034 | (setq n (aref reftex-section-numbers idx)) |
1035 | (if (not (and partspecial (not (equal string "")))) | |
1036 | (setq string (concat string (if (not (string= string "")) "." "") | |
1037 | (int-to-string n)))) | |
1038 | (incf idx)) | |
3b919c9f | 1039 | (save-match-data |
3666daf6 CD |
1040 | (if (string-match "\\`\\([@0]\\.\\)+" string) |
1041 | (setq string (replace-match "" nil nil string))) | |
1042 | (if (string-match "\\(\\.0\\)+\\'" string) | |
1043 | (setq string (replace-match "" nil nil string))) | |
1044 | (if (and appendix | |
1045 | (string-match "\\`[0-9]+" string)) | |
1046 | (setq string | |
1047 | (concat | |
1048 | (char-to-string | |
027a4b6b | 1049 | (1- (+ ?A (string-to-number (match-string 0 string))))) |
3666daf6 | 1050 | (substring string (match-end 0)))))) |
3b919c9f | 1051 | (if star |
3666daf6 CD |
1052 | (concat (make-string (1- (length string)) ?\ ) "*") |
1053 | string)))) | |
3b919c9f CD |
1054 | |
1055 | (defun reftex-roman-number (n) | |
1056 | ;; Return as a string the roman number equal to N. | |
1057 | (let ((nrest n) | |
3666daf6 CD |
1058 | (string "") |
1059 | (list '((1000 . "M") ( 900 . "CM") ( 500 . "D") ( 400 . "CD") | |
1060 | ( 100 . "C") ( 90 . "XC") ( 50 . "L") ( 40 . "XL") | |
1061 | ( 10 . "X") ( 9 . "IX") ( 5 . "V") ( 4 . "IV") | |
1062 | ( 1 . "I"))) | |
1063 | listel i s) | |
3b919c9f CD |
1064 | (while (>= nrest 1) |
1065 | (setq listel (pop list) | |
3666daf6 CD |
1066 | i (car listel) |
1067 | s (cdr listel)) | |
3b919c9f | 1068 | (while (>= nrest i) |
3666daf6 CD |
1069 | (setq string (concat string s) |
1070 | nrest (- nrest i)))) | |
3b919c9f | 1071 | string)) |
1a9461d0 | 1072 | |
cbee283d | 1073 | ;; arch-tag: 6a8168f7-abb9-4576-99dc-fcbc7ba901a3 |
1a9461d0 | 1074 | ;;; reftex-parse.el ends here |