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3afbc435 | 1 | ;;; reftex-parse.el --- parser functions for RefTeX |
f2e3589a | 2 | |
73b0cd50 | 3 | ;; Copyright (C) 1997-2011 Free Software Foundation, Inc. |
3ba2590f | 4 | |
6fbeb429 | 5 | ;; Author: Carsten Dominik <dominik@science.uva.nl> |
ce545621 | 6 | ;; Maintainer: auctex-devel@gnu.org |
5d2a58e0 | 7 | ;; Version: 4.31 |
bd78fa1d | 8 | ;; Package: reftex |
3ba2590f RS |
9 | |
10 | ;; This file is part of GNU Emacs. | |
11 | ||
1fecc8fe | 12 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
3ba2590f | 13 | ;; it under the terms of the GNU General Public License as published by |
1fecc8fe GM |
14 | ;; the Free Software Foundation, either version 3 of the License, or |
15 | ;; (at your option) any later version. | |
3ba2590f RS |
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 | |
1fecc8fe | 23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
1a9461d0 | 24 | |
3afbc435 PJ |
25 | ;;; Commentary: |
26 | ||
27 | ;;; Code: | |
28 | ||
7c4d13cc | 29 | (eval-when-compile (require 'cl)) |
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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 | |
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36 | (progn |
37 | (set-syntax-table reftex-syntax-table) | |
38 | (let ((case-fold-search nil)) | |
39 | ,@body)) | |
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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)) | |
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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))) |
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74 | (true-file (file-truename file)) |
75 | (bibview-cache (assq 'bibview-cache old-list)) | |
76 | (index-tags (cdr (assq 'index-tags old-list))) | |
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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 | |
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100 | 'toc (list 'bof from-file) old-list) |
101 | appendix (reftex-last-assoc-before-elt | |
102 | 'appendix (list 'bof from-file) old-list)) | |
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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 | |
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113 | (unwind-protect |
114 | (setq docstruct | |
115 | (reftex-parse-from-file | |
116 | from-file docstruct master-dir)) | |
117 | (reftex-kill-temporary-buffers))))) | |
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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 | |
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144 | (setcdr index-tag-cell index-tags) |
145 | (push (cons 'index-tags index-tags) docstruct))) | |
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146 | (unless (assq 'xr docstruct) |
147 | (let* ((allxr (reftex-all-assq 'xr-doc docstruct)) | |
3666daf6 | 148 | (alist (mapcar |
887a0b34 | 149 | (lambda (x) |
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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 | |
887a0b34 | 160 | (concat "\\`\\(" |
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161 | (mapconcat 'identity allprefix "\\|") |
162 | "\\)") | |
163 | "\\\\\\\\\\\\"))) ; this will never match | |
164 | (push (list 'xr alist regexp) docstruct))) | |
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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 | ||
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192 | ;; Bound in the caller, reftex-do-parse. |
193 | (defvar index-tags) | |
194 | ||
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195 | (defun reftex-parse-from-file (file docstruct master-dir) |
196 | ;; Scan the buffer for labels and save them in a list. | |
197 | (let ((regexp (reftex-everything-regexp)) | |
198 | (bound 0) | |
199 | file-found tmp include-file | |
200 | (level 1) | |
201 | (highest-level 100) | |
202 | toc-entry index-entry next-buf buf) | |
203 | ||
204 | (catch 'exit | |
205 | (setq file-found (reftex-locate-file file "tex" master-dir)) | |
206 | (if (and (not file-found) | |
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207 | (setq buf (reftex-get-buffer-visiting file))) |
208 | (setq file-found (buffer-file-name buf))) | |
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209 | |
210 | (unless file-found | |
211 | (push (list 'file-error file) docstruct) | |
212 | (throw 'exit nil)) | |
213 | ||
214 | (save-excursion | |
215 | ||
216 | (message "Scanning file %s" file) | |
217 | (set-buffer | |
218 | (setq next-buf | |
219 | (reftex-get-file-buffer-force | |
220 | file-found | |
221 | (not (eq t reftex-keep-temporary-buffers))))) | |
222 | ||
223 | ;; Begin of file mark | |
224 | (setq file (buffer-file-name)) | |
225 | (push (list 'bof file) docstruct) | |
226 | ||
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227 | (reftex-with-special-syntax |
228 | (save-excursion | |
229 | (save-restriction | |
230 | (widen) | |
231 | (goto-char 1) | |
232 | ||
233 | (while (re-search-forward regexp nil t) | |
234 | ||
235 | (cond | |
236 | ||
237 | ((match-end 1) | |
238 | ;; It is a label | |
239 | (push (reftex-label-info (reftex-match-string 1) file bound) | |
240 | docstruct)) | |
241 | ||
242 | ((match-end 3) | |
243 | ;; It is a section | |
244 | (setq bound (point)) | |
245 | ||
246 | ;; Insert in List | |
247 | (setq toc-entry (reftex-section-info file)) | |
248 | (when toc-entry | |
249 | ;; It can happen that section info returns nil | |
250 | (setq level (nth 5 toc-entry)) | |
251 | (setq highest-level (min highest-level level)) | |
252 | (if (= level highest-level) | |
253 | (message | |
254 | "Scanning %s %s ..." | |
255 | (car (rassoc level reftex-section-levels-all)) | |
256 | (nth 6 toc-entry))) | |
257 | ||
258 | (push toc-entry docstruct) | |
259 | (setq reftex-active-toc toc-entry))) | |
260 | ||
261 | ((match-end 7) | |
262 | ;; It's an include or input | |
263 | (setq include-file (reftex-match-string 7)) | |
264 | ;; Test if this file should be ignored | |
887a0b34 | 265 | (unless (delq nil (mapcar |
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266 | (lambda (x) (string-match x include-file)) |
267 | reftex-no-include-regexps)) | |
268 | ;; Parse it | |
269 | (setq docstruct | |
270 | (reftex-parse-from-file | |
271 | include-file | |
272 | docstruct master-dir)))) | |
273 | ||
274 | ((match-end 9) | |
275 | ;; Appendix starts here | |
276 | (reftex-init-section-numbers nil t) | |
277 | (push (cons 'appendix t) docstruct)) | |
278 | ||
279 | ((match-end 10) | |
280 | ;; Index entry | |
281 | (when reftex-support-index | |
282 | (setq index-entry (reftex-index-info file)) | |
283 | (when index-entry | |
284 | (add-to-list 'index-tags (nth 1 index-entry)) | |
285 | (push index-entry docstruct)))) | |
286 | ||
287 | ((match-end 11) | |
288 | ;; A macro with label | |
289 | (save-excursion | |
290 | (let* ((mac (reftex-match-string 11)) | |
291 | (label (progn (goto-char (match-end 11)) | |
292 | (save-match-data | |
293 | (reftex-no-props | |
294 | (reftex-nth-arg-wrapper | |
295 | mac))))) | |
296 | (typekey (nth 1 (assoc mac reftex-env-or-mac-alist))) | |
297 | (entry (progn (if typekey | |
298 | ;; A typing macro | |
299 | (goto-char (match-end 0)) | |
300 | ;; A neutral macro | |
301 | (goto-char (match-end 11)) | |
302 | (reftex-move-over-touching-args)) | |
303 | (reftex-label-info | |
304 | label file bound nil nil)))) | |
305 | (push entry docstruct)))) | |
306 | (t (error "This should not happen (reftex-parse-from-file)"))) | |
307 | ) | |
308 | ||
309 | ;; Find bibliography statement | |
310 | (when (setq tmp (reftex-locate-bibliography-files master-dir)) | |
311 | (push (cons 'bib tmp) docstruct)) | |
312 | ||
313 | (goto-char 1) | |
887a0b34 | 314 | (when (re-search-forward |
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315 | "\\(\\`\\|[\n\r]\\)[ \t]*\\\\begin{thebibliography}" nil t) |
316 | (push (cons 'thebib file) docstruct)) | |
887a0b34 | 317 | |
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318 | ;; Find external document specifications |
319 | (goto-char 1) | |
320 | (while (re-search-forward "[\n\r][ \t]*\\\\externaldocument\\(\\[\\([^]]*\\)\\]\\)?{\\([^}]+\\)}" nil t) | |
321 | (push (list 'xr-doc (reftex-match-string 2) | |
322 | (reftex-match-string 3)) | |
323 | docstruct)) | |
324 | ||
325 | ;; End of file mark | |
326 | (push (list 'eof file) docstruct))))) | |
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327 | |
328 | ;; Kill the scanned buffer | |
329 | (reftex-kill-temporary-buffers next-buf)) | |
330 | ||
331 | ;; Return the list | |
332 | docstruct)) | |
333 | ||
334 | (defun reftex-locate-bibliography-files (master-dir &optional files) | |
335 | ;; Scan buffer for bibliography macro and return file list. | |
887a0b34 | 336 | |
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337 | (unless files |
338 | (save-excursion | |
339 | (goto-char (point-min)) | |
340 | (if (re-search-forward | |
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341 | (concat |
342 | ; "\\(\\`\\|[\n\r]\\)[^%]*\\\\\\(" | |
343 | "\\(^\\)[^%\n\r]*\\\\\\(" | |
344 | (mapconcat 'identity reftex-bibliography-commands "\\|") | |
345 | "\\){[ \t]*\\([^}]+\\)") nil t) | |
887a0b34 | 346 | (setq files |
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347 | (split-string (reftex-match-string 3) |
348 | "[ \t\n\r]*,[ \t\n\r]*"))))) | |
1a9461d0 | 349 | (when files |
887a0b34 | 350 | (setq files |
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351 | (mapcar |
352 | (lambda (x) | |
353 | (if (or (member x reftex-bibfile-ignore-list) | |
354 | (delq nil (mapcar (lambda (re) (string-match re x)) | |
355 | reftex-bibfile-ignore-regexps))) | |
356 | ;; excluded file | |
357 | nil | |
358 | ;; find the file | |
359 | (reftex-locate-file x "bib" master-dir))) | |
360 | files)) | |
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361 | (delq nil files))) |
362 | ||
363 | (defun reftex-replace-label-list-segment (old insert &optional entirely) | |
364 | ;; Replace the segment in OLD which corresponds to INSERT. | |
365 | ;; Works with side effects, directly changes old. | |
366 | ;; If entirely is t, just return INSERT. | |
367 | ;; This function also makes sure the old toc markers do not point anywhere. | |
368 | ||
369 | (cond | |
370 | (entirely | |
371 | (reftex-silence-toc-markers old (length old)) | |
372 | insert) | |
373 | (t (let* ((new old) | |
374 | (file (nth 1 (car insert))) | |
375 | (eof-list (member (list 'eof file) old)) | |
376 | (bof-list (member (list 'bof file) old)) | |
377 | n) | |
378 | (if (not (and bof-list eof-list)) | |
379 | (error "Cannot splice") | |
380 | ;; Splice | |
381 | (reftex-silence-toc-markers bof-list (- (length bof-list) | |
382 | (length eof-list))) | |
383 | (setq n (- (length old) (length bof-list))) | |
384 | (setcdr (nthcdr n new) (cdr insert)) | |
385 | (setcdr (nthcdr (1- (length new)) new) (cdr eof-list))) | |
386 | new)))) | |
387 | ||
388 | (defun reftex-section-info (file) | |
389 | ;; Return a section entry for the current match. | |
5d8e0d5d | 390 | ;; Careful: This function expects the match-data to be still in place! |
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391 | (let* ((marker (set-marker (make-marker) (1- (match-beginning 3)))) |
392 | (macro (reftex-match-string 3)) | |
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393 | (prefix (save-match-data |
394 | (if (string-match "begin{\\([^}]+\\)}" macro) | |
395 | (match-string 1 macro)))) | |
396 | (level-exp (cdr (assoc macro reftex-section-levels-all))) | |
28b707f9 | 397 | (level (if (symbolp level-exp) |
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398 | (save-match-data (funcall level-exp)) |
399 | level-exp)) | |
400 | (star (= ?* (char-after (match-end 3)))) | |
401 | (unnumbered (or star (< level 0))) | |
402 | (level (abs level)) | |
1a9461d0 | 403 | (section-number (reftex-section-number level unnumbered)) |
887a0b34 | 404 | (text1 (save-match-data |
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405 | (save-excursion |
406 | (reftex-context-substring prefix)))) | |
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407 | (literal (buffer-substring-no-properties |
408 | (1- (match-beginning 3)) | |
409 | (min (point-max) (+ (match-end 0) (length text1) 1)))) | |
887a0b34 | 410 | ;; Literal can be too short since text1 too short. No big problem. |
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411 | (text (reftex-nicify-text text1))) |
412 | ||
413 | ;; Add section number and indentation | |
414 | (setq text | |
415 | (concat | |
416 | (make-string (* reftex-level-indent level) ?\ ) | |
417 | (if (nth 1 reftex-label-menu-flags) ; section number flag | |
418 | (concat section-number " ")) | |
3666daf6 | 419 | (if prefix (concat (capitalize prefix) ": ") "") |
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420 | text)) |
421 | (list 'toc "toc" text file marker level section-number | |
422 | literal (marker-position marker)))) | |
423 | ||
424 | (defun reftex-ensure-index-support (&optional abort) | |
425 | ;; When index support is turned off, ask to turn it on and | |
426 | ;; set the current prefix argument so that `reftex-access-scan-info' | |
427 | ;; will rescan the entire document. | |
428 | (cond | |
429 | (reftex-support-index t) | |
430 | ((y-or-n-p "Turn on index support and rescan entire document? ") | |
431 | (setq reftex-support-index 'demanded | |
3666daf6 | 432 | current-prefix-arg '(16))) |
1a9461d0 | 433 | (t (if abort |
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434 | (error "No index support") |
435 | (message "No index support") | |
436 | (ding) | |
437 | (sit-for 1))))) | |
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438 | |
439 | (defun reftex-index-info-safe (file) | |
440 | (reftex-with-special-syntax | |
441 | (reftex-index-info file))) | |
442 | ||
443 | (defvar test-dummy) | |
444 | (defun reftex-index-info (file) | |
445 | ;; Return an index entry for the current match. | |
fe3c5669 | 446 | ;; Careful: This function expects the match-data to be still in place! |
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447 | (catch 'exit |
448 | (let* ((macro (reftex-match-string 10)) | |
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449 | (bom (match-beginning 10)) |
450 | (boa (match-end 10)) | |
451 | (entry (or (assoc macro reftex-index-macro-alist) | |
452 | (throw 'exit nil))) | |
453 | (exclude (nth 3 entry)) | |
454 | ;; The following is a test if this match should be excluded | |
455 | (test-dummy (and (fboundp exclude) | |
456 | (funcall exclude) | |
457 | (throw 'exit nil))) | |
458 | (itag (nth 1 entry)) | |
459 | (prefix (nth 2 entry)) | |
887a0b34 | 460 | (index-tag |
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461 | (cond ((stringp itag) itag) |
462 | ((integerp itag) | |
463 | (progn (goto-char boa) | |
464 | (or (reftex-nth-arg itag (nth 6 entry)) "idx"))) | |
465 | (t "idx"))) | |
466 | (arg (or (progn (goto-char boa) | |
467 | (reftex-nth-arg (nth 5 entry) (nth 6 entry))) | |
468 | "")) | |
469 | (end-of-args (progn (goto-char boa) | |
470 | (reftex-move-over-touching-args) | |
471 | (point))) | |
472 | (end-of-context (progn (skip-chars-forward "^ \t\n\r") (point))) | |
473 | (begin-of-context | |
474 | (progn (goto-char bom) | |
475 | (skip-chars-backward "^ \t\r\n") | |
476 | (point))) | |
477 | (context (buffer-substring-no-properties | |
478 | begin-of-context end-of-context)) | |
479 | (key-end (if (string-match reftex-index-key-end-re arg) | |
480 | (1+ (match-beginning 0)))) | |
481 | (rawkey (substring arg 0 key-end)) | |
887a0b34 | 482 | |
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483 | (key (if prefix (concat prefix rawkey) rawkey)) |
484 | (sortkey (downcase key)) | |
887a0b34 | 485 | (showkey (mapconcat 'identity |
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486 | (split-string key reftex-index-level-re) |
487 | " ! "))) | |
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488 | (goto-char end-of-args) |
489 | ;; 0 1 2 3 4 5 6 7 8 9 | |
490 | (list 'index index-tag context file bom arg key showkey sortkey key-end)))) | |
887a0b34 | 491 | |
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492 | (defun reftex-short-context (env parse &optional bound derive) |
493 | ;; Get about one line of useful context for the label definition at point. | |
494 | ||
495 | (if (consp parse) | |
496 | (setq parse (if derive (cdr parse) (car parse)))) | |
497 | ||
498 | (reftex-nicify-text | |
499 | ||
500 | (cond | |
501 | ||
502 | ((null parse) | |
503 | (save-excursion | |
504 | (reftex-context-substring))) | |
505 | ||
506 | ((eq parse t) | |
507 | (if (string= env "section") | |
508 | ;; special treatment for section labels | |
509 | (save-excursion | |
510 | (if (and (re-search-backward reftex-section-or-include-regexp | |
511 | (point-min) t) | |
512 | (match-end 2)) | |
513 | (progn | |
514 | (goto-char (match-end 0)) | |
515 | (reftex-context-substring)) | |
516 | (if reftex-active-toc | |
517 | (progn | |
518 | (string-match "{\\([^}]*\\)" (nth 7 reftex-active-toc)) | |
519 | (match-string 1 (nth 7 reftex-active-toc))) | |
520 | "SECTION HEADING NOT FOUND"))) | |
521 | (save-excursion | |
3666daf6 CD |
522 | (goto-char reftex-default-context-position) |
523 | (unless (eq (string-to-char env) ?\\) | |
524 | (reftex-move-over-touching-args)) | |
1a9461d0 CD |
525 | (reftex-context-substring)))) |
526 | ||
527 | ((stringp parse) | |
528 | (save-excursion | |
529 | (if (re-search-backward parse bound t) | |
530 | (progn | |
531 | (goto-char (match-end 0)) | |
532 | (reftex-context-substring)) | |
533 | "NO MATCH FOR CONTEXT REGEXP"))) | |
534 | ||
535 | ((integerp parse) | |
536 | (or (save-excursion | |
537 | (goto-char reftex-default-context-position) | |
538 | (reftex-nth-arg | |
539 | parse | |
540 | (nth 6 (assoc env reftex-env-or-mac-alist)))) | |
541 | "")) | |
542 | ||
543 | ((fboundp parse) | |
544 | ;; A hook function. Call it. | |
545 | (save-excursion | |
546 | (condition-case error-var | |
547 | (funcall parse env) | |
548 | (error (format "HOOK ERROR: %s" (cdr error-var)))))) | |
549 | (t | |
5181ff9f | 550 | "INVALID VALUE OF PARSE")))) |
1a9461d0 CD |
551 | |
552 | (defun reftex-where-am-I () | |
553 | ;; Return the docstruct entry above point. Actually returns a cons | |
554 | ;; cell in which the cdr is a flag indicating if the information is | |
555 | ;; exact (t) or approximate (nil). | |
556 | ||
557 | (let ((docstruct (symbol-value reftex-docstruct-symbol)) | |
3b919c9f | 558 | (cnt 0) rtn rtn-if-no-other |
1a9461d0 CD |
559 | found) |
560 | (save-excursion | |
561 | (while (not rtn) | |
562 | (incf cnt) | |
563 | (setq found (re-search-backward (reftex-everything-regexp) nil t)) | |
564 | (setq rtn | |
565 | (cond | |
566 | ((not found) | |
567 | ;; no match | |
568 | (or | |
569 | (car (member (list 'bof (buffer-file-name)) docstruct)) | |
570 | (not (setq cnt 2)) | |
571 | (assq 'bof docstruct) ;; for safety reasons | |
572 | 'corrupted)) | |
573 | ((match-end 1) | |
574 | ;; Label | |
575 | (assoc (reftex-match-string 1) | |
576 | (symbol-value reftex-docstruct-symbol))) | |
577 | ((match-end 3) | |
578 | ;; Section | |
579 | (goto-char (1- (match-beginning 3))) | |
580 | (let* ((list (member (list 'bof (buffer-file-name)) | |
581 | docstruct)) | |
582 | (endelt (car (member (list 'eof (buffer-file-name)) | |
583 | list))) | |
584 | rtn1) | |
585 | (while (and list (not (eq endelt (car list)))) | |
586 | (if (and (eq (car (car list)) 'toc) | |
587 | (string= (buffer-file-name) | |
588 | (nth 3 (car list)))) | |
589 | (cond | |
590 | ((equal (point) | |
591 | (or (and (markerp (nth 4 (car list))) | |
592 | (marker-position (nth 4 (car list)))) | |
593 | (nth 8 (car list)))) | |
594 | ;; Fits with marker position or recorded position | |
595 | (setq rtn1 (car list) list nil)) | |
596 | ((looking-at (reftex-make-regexp-allow-for-ctrl-m | |
597 | (nth 7 (car list)))) | |
3b919c9f | 598 | ;; Same title: remember, but keep looking |
3666daf6 | 599 | (setq rtn-if-no-other (car list))))) |
1a9461d0 CD |
600 | (pop list)) |
601 | rtn1)) | |
602 | ((match-end 7) | |
603 | ;; Input or include... | |
604 | (car | |
605 | (member (list 'eof (reftex-locate-file | |
606 | (reftex-match-string 7) "tex" | |
3666daf6 | 607 | (cdr (assq 'master-dir docstruct)))) |
1a9461d0 | 608 | docstruct))) |
3666daf6 CD |
609 | ((match-end 9) |
610 | (assq 'appendix (symbol-value reftex-docstruct-symbol))) | |
611 | ((match-end 10) | |
612 | ;; Index entry | |
613 | (when reftex-support-index | |
887a0b34 | 614 | (let* ((index-info (save-excursion |
3666daf6 CD |
615 | (reftex-index-info-safe nil))) |
616 | (list (member (list 'bof (buffer-file-name)) | |
617 | docstruct)) | |
618 | (endelt (car (member (list 'eof (buffer-file-name)) | |
619 | list))) | |
620 | dist last-dist last (n 0)) | |
621 | ;; Check all index entries with equal text | |
622 | (while (and list (not (eq endelt (car list)))) | |
623 | (when (and (eq (car (car list)) 'index) | |
887a0b34 | 624 | (string= (nth 2 index-info) |
3666daf6 CD |
625 | (nth 2 (car list)))) |
626 | (incf n) | |
627 | (setq dist (abs (- (point) (nth 4 (car list))))) | |
628 | (if (or (not last-dist) (< dist last-dist)) | |
629 | (setq last-dist dist last (car list)))) | |
630 | (setq list (cdr list))) | |
631 | ;; We are sure if we have only one, or a zero distance | |
632 | (cond ((or (= n 1) (equal dist 0)) last) | |
633 | ((> n 1) (setq cnt 2) last) | |
634 | (t nil))))) | |
635 | ((match-end 11) | |
1a9461d0 CD |
636 | (save-excursion |
637 | (goto-char (match-end 11)) | |
638 | (assoc (reftex-no-props | |
639 | (reftex-nth-arg-wrapper | |
640 | (reftex-match-string 11))) | |
641 | (symbol-value reftex-docstruct-symbol)))) | |
642 | (t | |
643 | (error "This should not happen (reftex-where-am-I)")))))) | |
3b919c9f CD |
644 | ;; Check if there was only a by-name match for the section. |
645 | (when (and (not rtn) rtn-if-no-other) | |
646 | (setq rtn rtn-if-no-other | |
3666daf6 | 647 | cnt 2)) |
1a9461d0 CD |
648 | (cons rtn (eq cnt 1)))) |
649 | ||
650 | (defun reftex-notice-new (&optional n force) | |
651 | "Hook to handshake with RefTeX after something new has been inserted." | |
652 | ;; Add a new entry to the docstruct list. If it is a section, renumber | |
653 | ;; the following sections. | |
3666daf6 | 654 | ;; FIXME: Put in a WHAT parameter and search backward until one is found. |
1a9461d0 CD |
655 | ;; When N is given, go back that many matches of reftex-everything-regexp |
656 | ;; When FORCE is non-nil, also insert if `reftex-where-am-I' was uncertain. | |
657 | (condition-case nil | |
658 | (catch 'exit | |
3666daf6 CD |
659 | (unless reftex-mode (throw 'exit nil)) |
660 | (reftex-access-scan-info) | |
661 | (let* ((docstruct (symbol-value reftex-docstruct-symbol)) | |
662 | here-I-am appendix tail entry star level | |
663 | section-number context) | |
1a9461d0 CD |
664 | |
665 | (save-excursion | |
666 | (when (re-search-backward (reftex-everything-regexp) nil t (or n 1)) | |
667 | ||
3666daf6 CD |
668 | ;; Find where we are |
669 | (setq here-I-am (reftex-where-am-I)) | |
670 | (or here-I-am (throw 'exit nil)) | |
671 | (unless (or force (cdr here-I-am)) (throw 'exit nil)) | |
672 | (setq tail (memq (car here-I-am) docstruct)) | |
673 | (or tail (throw 'exit nil)) | |
674 | (setq reftex-active-toc (reftex-last-assoc-before-elt | |
675 | 'toc (car here-I-am) docstruct) | |
676 | appendix (reftex-last-assoc-before-elt | |
677 | 'appendix (car here-I-am) docstruct)) | |
678 | ||
679 | ;; Initialize section numbers | |
680 | (if (eq (car (car here-I-am)) 'appendix) | |
681 | (reftex-init-section-numbers nil t) | |
682 | (reftex-init-section-numbers reftex-active-toc appendix)) | |
683 | ||
684 | ;; Match the section command | |
685 | (when (re-search-forward (reftex-everything-regexp) nil t) | |
686 | (cond | |
687 | ((match-end 1) | |
688 | (push (reftex-label-info (reftex-match-string 1) buffer-file-name) | |
689 | (cdr tail))) | |
690 | ||
691 | ((match-end 3) | |
692 | (setq star (= ?* (char-after (match-end 3))) | |
693 | entry (reftex-section-info (buffer-file-name)) | |
694 | level (nth 5 entry)) | |
695 | ;; Insert the section info | |
696 | (push entry (cdr tail)) | |
887a0b34 | 697 | |
3666daf6 CD |
698 | ;; We are done unless we use section numbers |
699 | (unless (nth 1 reftex-label-menu-flags) (throw 'exit nil)) | |
700 | ||
701 | ;; Update the remaining toc items | |
702 | (setq tail (cdr tail)) | |
703 | (while (and (setq tail (memq (assq 'toc (cdr tail)) tail)) | |
704 | (setq entry (car tail)) | |
705 | (>= (nth 5 entry) level)) | |
706 | (setq star (string-match "\\*" (nth 6 entry)) | |
707 | context (nth 2 entry) | |
708 | section-number | |
709 | (reftex-section-number (nth 5 entry) star)) | |
710 | (when (string-match "\\`\\([ \t]*\\)\\([.0-9A-Z]+\\)\\(.*\\)" | |
711 | context) | |
712 | (when (and (not appendix) | |
713 | (>= (string-to-char (match-string 2)) ?A)) | |
91af3942 | 714 | ;; Just entered the appendix. Get out. |
3666daf6 CD |
715 | (throw 'exit nil)) |
716 | ||
717 | ;; Change the section number. | |
718 | (setf (nth 2 entry) | |
719 | (concat (match-string 1 context) | |
720 | section-number | |
721 | (match-string 3 context)))))) | |
722 | ((match-end 10) | |
723 | ;; Index entry | |
724 | (and reftex-support-index | |
725 | (setq entry (reftex-index-info-safe buffer-file-name)) | |
726 | ;; FIXME: (add-to-list 'index-tags (nth 1 index-entry)) | |
727 | (push entry (cdr tail)))))))))) | |
887a0b34 | 728 | |
1a9461d0 CD |
729 | (error nil)) |
730 | ) | |
731 | ||
732 | (defsubst reftex-move-to-previous-arg (&optional bound) | |
733 | ;; Assuming that we are in front of a macro argument, | |
734 | ;; move backward to the closing parenthesis of the previous argument. | |
735 | ;; This function understands the splitting of macros over several lines | |
736 | ;; in TeX. | |
737 | (cond | |
738 | ;; Just to be quick: | |
739 | ((memq (preceding-char) '(?\] ?\}))) | |
740 | ;; Do a search | |
741 | ((and reftex-allow-detached-macro-args | |
3666daf6 CD |
742 | (re-search-backward |
743 | "[]}][ \t]*[\n\r]?\\([ \t]*%[^\n\r]*[\n\r]\\)*[ \t]*\\=" bound t)) | |
1a9461d0 CD |
744 | (goto-char (1+ (match-beginning 0))) |
745 | t) | |
746 | (t nil))) | |
747 | ||
748 | (defun reftex-what-macro-safe (which &optional bound) | |
749 | ;; reftex-what-macro with special syntax table. | |
750 | (reftex-with-special-syntax | |
751 | (reftex-what-macro which bound))) | |
752 | ||
753 | (defun reftex-what-macro (which &optional bound) | |
754 | ;; Find out if point is within the arguments of any TeX-macro. | |
755 | ;; The return value is either ("\\macro" . (point)) or a list of them. | |
756 | ||
757 | ;; If WHICH is nil, immediately return nil. | |
758 | ;; If WHICH is 1, return innermost enclosing macro. | |
759 | ;; If WHICH is t, return list of all macros enclosing point. | |
760 | ;; If WHICH is a list of macros, look only for those macros and return the | |
761 | ;; name of the first macro in this list found to enclose point. | |
762 | ;; If the optional BOUND is an integer, bound backwards directed | |
763 | ;; searches to this point. If it is nil, limit to nearest \section - | |
764 | ;; like statement. | |
765 | ||
766 | ;; This function is pretty stable, but can be fooled if the text contains | |
767 | ;; things like \macro{aa}{bb} where \macro is defined to take only one | |
768 | ;; argument. As RefTeX cannot know this, the string "bb" would still be | |
769 | ;; considered an argument of macro \macro. | |
770 | ||
771 | (unless reftex-section-regexp (reftex-compile-variables)) | |
772 | (catch 'exit | |
773 | (if (null which) (throw 'exit nil)) | |
774 | (let ((bound (or bound (save-excursion (re-search-backward | |
775 | reftex-section-regexp nil 1) | |
776 | (point)))) | |
777 | pos cmd-list cmd cnt cnt-opt entry) | |
778 | (save-restriction | |
779 | (save-excursion | |
de558d10 | 780 | (narrow-to-region (max (point-min) bound) (point-max)) |
1a9461d0 CD |
781 | ;; move back out of the current parenthesis |
782 | (while (condition-case nil | |
5d8e0d5d SM |
783 | (let ((forward-sexp-function nil)) |
784 | (up-list -1) t) | |
1a9461d0 CD |
785 | (error nil)) |
786 | (setq cnt 1 cnt-opt 0) | |
787 | ;; move back over any touching sexps | |
788 | (while (and (reftex-move-to-previous-arg bound) | |
3666daf6 | 789 | (condition-case nil |
5d8e0d5d SM |
790 | (let ((forward-sexp-function nil)) |
791 | (backward-sexp) t) | |
3666daf6 CD |
792 | (error nil))) |
793 | (if (eq (following-char) ?\[) (incf cnt-opt)) | |
1a9461d0 CD |
794 | (incf cnt)) |
795 | (setq pos (point)) | |
796 | (when (and (or (= (following-char) ?\[) | |
797 | (= (following-char) ?\{)) | |
798 | (re-search-backward "\\\\[*a-zA-Z]+\\=" nil t)) | |
799 | (setq cmd (reftex-match-string 0)) | |
3666daf6 CD |
800 | (when (looking-at "\\\\begin{[^}]*}") |
801 | (setq cmd (reftex-match-string 0) | |
802 | cnt (1- cnt))) | |
803 | ;; This does ignore optional arguments. Very hard to fix. | |
804 | (when (setq entry (assoc cmd reftex-env-or-mac-alist)) | |
805 | (if (> cnt (or (nth 4 entry) 100)) | |
806 | (setq cmd nil))) | |
1a9461d0 | 807 | (cond |
3666daf6 CD |
808 | ((null cmd)) |
809 | ((eq t which) | |
810 | (push (cons cmd (point)) cmd-list)) | |
811 | ((or (eq 1 which) (member cmd which)) | |
812 | (throw 'exit (cons cmd (point)))))) | |
1a9461d0 CD |
813 | (goto-char pos))) |
814 | (nreverse cmd-list))))) | |
815 | ||
816 | (defun reftex-what-environment (which &optional bound) | |
817 | ;; Find out if point is inside a LaTeX environment. | |
818 | ;; The return value is (e.g.) either ("equation" . (point)) or a list of | |
819 | ;; them. | |
820 | ||
821 | ;; If WHICH is nil, immediately return nil. | |
822 | ;; If WHICH is 1, return innermost enclosing environment. | |
823 | ;; If WHICH is t, return list of all environments enclosing point. | |
824 | ;; If WHICH is a list of environments, look only for those environments and | |
825 | ;; return the name of the first environment in this list found to enclose | |
826 | ;; point. | |
827 | ||
828 | ;; If the optional BOUND is an integer, bound backwards directed searches to | |
829 | ;; this point. If it is nil, limit to nearest \section - like statement. | |
830 | ||
831 | (unless reftex-section-regexp (reftex-compile-variables)) | |
832 | (catch 'exit | |
833 | (save-excursion | |
834 | (if (null which) (throw 'exit nil)) | |
835 | (let ((bound (or bound (save-excursion (re-search-backward | |
836 | reftex-section-regexp nil 1) | |
837 | (point)))) | |
838 | env-list end-list env) | |
839 | (while (re-search-backward "\\\\\\(begin\\|end\\){\\([^}]+\\)}" | |
840 | bound t) | |
841 | (setq env (buffer-substring-no-properties | |
842 | (match-beginning 2) (match-end 2))) | |
843 | (cond | |
844 | ((string= (match-string 1) "end") | |
3666daf6 | 845 | (push env end-list)) |
1a9461d0 CD |
846 | ((equal env (car end-list)) |
847 | (setq end-list (cdr end-list))) | |
848 | ((eq t which) | |
849 | (push (cons env (point)) env-list)) | |
850 | ((or (eq 1 which) (member env which)) | |
851 | (throw 'exit (cons env (point)))))) | |
852 | (nreverse env-list))))) | |
853 | ||
854 | (defun reftex-what-special-env (which &optional bound) | |
855 | ;; Run the special environment parsers and return the matches. | |
856 | ;; | |
857 | ;; The return value is (e.g.) either ("my-parser-function" . (point)) | |
858 | ;; or a list of them. | |
859 | ||
860 | ;; If WHICH is nil, immediately return nil. | |
861 | ;; If WHICH is 1, return innermost enclosing environment. | |
862 | ;; If WHICH is t, return list of all environments enclosing point. | |
863 | ;; If WHICH is a list of environments, look only for those environments and | |
864 | ;; return the name of the first environment in this list found to enclose | |
865 | ;; point. | |
866 | ||
867 | (unless reftex-section-regexp (reftex-compile-variables)) | |
868 | (catch 'exit | |
869 | (save-excursion | |
870 | (if (null reftex-special-env-parsers) (throw 'exit nil)) | |
871 | (if (null which) (throw 'exit nil)) | |
872 | (let ((bound (or bound (save-excursion (re-search-backward | |
873 | reftex-section-regexp nil 1) | |
874 | (point)))) | |
3666daf6 CD |
875 | (fun-list (if (listp which) |
876 | (mapcar (lambda (x) (if (memq x which) x nil)) | |
877 | reftex-special-env-parsers) | |
878 | reftex-special-env-parsers)) | |
1a9461d0 | 879 | specials rtn) |
3666daf6 | 880 | ;; Call all functions |
887a0b34 | 881 | (setq specials (mapcar |
3666daf6 CD |
882 | (lambda (fun) |
883 | (save-excursion | |
884 | (setq rtn (and fun (funcall fun bound))) | |
885 | (if rtn (cons (symbol-name fun) rtn) nil))) | |
886 | fun-list)) | |
887 | ;; Delete the non-matches | |
888 | (setq specials (delq nil specials)) | |
889 | ;; Sort | |
890 | (setq specials (sort specials (lambda (a b) (> (cdr a) (cdr b))))) | |
887a0b34 | 891 | (if (eq which t) |
3666daf6 CD |
892 | specials |
893 | (car specials)))))) | |
1a9461d0 CD |
894 | |
895 | (defsubst reftex-move-to-next-arg (&optional ignore) | |
896 | ;; Assuming that we are at the end of a macro name or a macro argument, | |
897 | ;; move forward to the opening parenthesis of the next argument. | |
898 | ;; This function understands the splitting of macros over several lines | |
899 | ;; in TeX. | |
900 | (cond | |
901 | ;; Just to be quick: | |
902 | ((memq (following-char) '(?\[ ?\{))) | |
903 | ;; Do a search | |
904 | ((and reftex-allow-detached-macro-args | |
3666daf6 | 905 | (looking-at "[ \t]*[\n\r]?\\([ \t]*%[^\n\r]*[\n\r]\\)*[ \t]*[[{]")) |
1a9461d0 CD |
906 | (goto-char (1- (match-end 0))) |
907 | t) | |
908 | (t nil))) | |
909 | ||
910 | (defun reftex-nth-arg-wrapper (key) | |
911 | (let ((entry (assoc key reftex-env-or-mac-alist))) | |
912 | (reftex-nth-arg (nth 5 entry) (nth 6 entry)))) | |
913 | ||
914 | (defun reftex-nth-arg (n &optional opt-args) | |
915 | ;; Return the nth following {} or [] parentheses content. | |
916 | ;; OPT-ARGS is a list of argument numbers which are optional. | |
917 | ||
918 | ;; If we are sitting at a macro start, skip to end of macro name. | |
919 | (and (eq (following-char) ?\\) (skip-chars-forward "a-zA-Z*\\\\")) | |
920 | ||
921 | (if (= n 1000) | |
922 | ;; Special case: Skip all touching arguments | |
923 | (progn | |
3666daf6 CD |
924 | (reftex-move-over-touching-args) |
925 | (reftex-context-substring)) | |
1a9461d0 CD |
926 | |
927 | ;; Do the real thing. | |
928 | (let ((cnt 1)) | |
887a0b34 | 929 | |
1a9461d0 | 930 | (when (reftex-move-to-next-arg) |
887a0b34 | 931 | |
3666daf6 CD |
932 | (while (< cnt n) |
933 | (while (and (member cnt opt-args) | |
934 | (eq (following-char) ?\{)) | |
935 | (incf cnt)) | |
936 | (when (< cnt n) | |
937 | (unless (and (condition-case nil | |
938 | (or (forward-list 1) t) | |
939 | (error nil)) | |
940 | (reftex-move-to-next-arg) | |
941 | (incf cnt)) | |
942 | (setq cnt 1000)))) | |
943 | ||
944 | (while (and (memq cnt opt-args) | |
945 | (eq (following-char) ?\{)) | |
946 | (incf cnt))) | |
1a9461d0 | 947 | (if (and (= n cnt) |
3666daf6 CD |
948 | (> (skip-chars-forward "{\\[") 0)) |
949 | (reftex-context-substring) | |
950 | nil)))) | |
1a9461d0 CD |
951 | |
952 | (defun reftex-move-over-touching-args () | |
953 | (condition-case nil | |
954 | (while (memq (following-char) '(?\[ ?\{)) | |
3666daf6 | 955 | (forward-list 1)) |
887a0b34 | 956 | (error nil))) |
1a9461d0 | 957 | |
7c4d13cc | 958 | (defun reftex-context-substring (&optional to-end) |
1a9461d0 CD |
959 | ;; Return up to 150 chars from point |
960 | ;; When point is just after a { or [, limit string to matching parenthesis | |
961 | (cond | |
7c4d13cc CD |
962 | (to-end |
963 | ;; Environment - find next \end | |
964 | (buffer-substring-no-properties | |
965 | (point) | |
966 | (min (+ (point) 150) | |
3666daf6 CD |
967 | (save-match-data |
968 | ;; FIXME: This is not perfect | |
969 | (if (re-search-forward "\\\\end{" nil t) | |
970 | (match-beginning 0) | |
971 | (point-max)))))) | |
5d8e0d5d | 972 | ((memq (preceding-char) '(?\{ ?\[)) |
1a9461d0 CD |
973 | ;; Inside a list - get only the list. |
974 | (buffer-substring-no-properties | |
975 | (point) | |
976 | (min (+ (point) 150) | |
977 | (point-max) | |
978 | (condition-case nil | |
5d8e0d5d | 979 | (let ((forward-sexp-function nil)) ;Unneeded fanciness. |
1a9461d0 CD |
980 | (up-list 1) |
981 | (1- (point))) | |
982 | (error (point-max)))))) | |
983 | (t | |
984 | ;; no list - just grab 150 characters | |
887a0b34 | 985 | (buffer-substring-no-properties (point) |
3666daf6 | 986 | (min (+ (point) 150) (point-max)))))) |
1a9461d0 CD |
987 | |
988 | ;; Variable holding the vector with section numbers | |
28b707f9 | 989 | (defvar reftex-section-numbers (make-vector reftex-max-section-depth 0)) |
1a9461d0 CD |
990 | |
991 | (defun reftex-init-section-numbers (&optional toc-entry appendix) | |
992 | ;; Initialize the section numbers with zeros or with what is found | |
993 | ;; in the toc entry. | |
994 | (let* ((level (or (nth 5 toc-entry) -1)) | |
995 | (numbers (nreverse (split-string (or (nth 6 toc-entry) "") "\\."))) | |
996 | (depth (1- (length reftex-section-numbers))) | |
997 | (i depth) number-string) | |
998 | (while (>= i 0) | |
999 | (if (> i level) | |
1000 | (aset reftex-section-numbers i 0) | |
3666daf6 CD |
1001 | (setq number-string (or (car numbers) "0")) |
1002 | (if (string-match "\\`[A-Z]\\'" number-string) | |
1003 | (aset reftex-section-numbers i | |
1004 | (- (string-to-char number-string) ?A -1)) | |
027a4b6b | 1005 | (aset reftex-section-numbers i (string-to-number number-string))) |
1a9461d0 CD |
1006 | (pop numbers)) |
1007 | (decf i))) | |
1008 | (put 'reftex-section-numbers 'appendix appendix)) | |
1009 | ||
1010 | (defun reftex-section-number (&optional level star) | |
1011 | ;; Return a string with the current section number. | |
1012 | ;; When LEVEL is non-nil, increase section numbers on that level. | |
1013 | (let* ((depth (1- (length reftex-section-numbers))) idx n (string "") | |
3666daf6 CD |
1014 | (appendix (get 'reftex-section-numbers 'appendix)) |
1015 | (partspecial (and (not reftex-part-resets-chapter) | |
1016 | (equal level 0)))) | |
3b919c9f CD |
1017 | ;; partspecial means, this is a part statement. |
1018 | ;; Parts do not reset the chapter counter, and the part number is | |
1019 | ;; not included in the numbering of other sectioning levels. | |
1a9461d0 CD |
1020 | (when level |
1021 | (when (and (> level -1) (not star)) | |
887a0b34 | 1022 | (aset reftex-section-numbers |
3666daf6 | 1023 | level (1+ (aref reftex-section-numbers level)))) |
1a9461d0 CD |
1024 | (setq idx (1+ level)) |
1025 | (when (not star) | |
3666daf6 CD |
1026 | (while (<= idx depth) |
1027 | (if (or (not partspecial) | |
1028 | (not (= idx 1))) | |
1029 | (aset reftex-section-numbers idx 0)) | |
1030 | (incf idx)))) | |
3b919c9f | 1031 | (if partspecial |
3666daf6 CD |
1032 | (setq string (concat "Part " (reftex-roman-number |
1033 | (aref reftex-section-numbers 0)))) | |
3b919c9f CD |
1034 | (setq idx (if reftex-part-resets-chapter 0 1)) |
1035 | (while (<= idx depth) | |
3666daf6 CD |
1036 | (setq n (aref reftex-section-numbers idx)) |
1037 | (if (not (and partspecial (not (equal string "")))) | |
1038 | (setq string (concat string (if (not (string= string "")) "." "") | |
1039 | (int-to-string n)))) | |
1040 | (incf idx)) | |
3b919c9f | 1041 | (save-match-data |
3666daf6 CD |
1042 | (if (string-match "\\`\\([@0]\\.\\)+" string) |
1043 | (setq string (replace-match "" nil nil string))) | |
1044 | (if (string-match "\\(\\.0\\)+\\'" string) | |
1045 | (setq string (replace-match "" nil nil string))) | |
1046 | (if (and appendix | |
1047 | (string-match "\\`[0-9]+" string)) | |
887a0b34 | 1048 | (setq string |
3666daf6 CD |
1049 | (concat |
1050 | (char-to-string | |
027a4b6b | 1051 | (1- (+ ?A (string-to-number (match-string 0 string))))) |
3666daf6 | 1052 | (substring string (match-end 0)))))) |
3b919c9f | 1053 | (if star |
3666daf6 CD |
1054 | (concat (make-string (1- (length string)) ?\ ) "*") |
1055 | string)))) | |
3b919c9f CD |
1056 | |
1057 | (defun reftex-roman-number (n) | |
1058 | ;; Return as a string the roman number equal to N. | |
1059 | (let ((nrest n) | |
3666daf6 CD |
1060 | (string "") |
1061 | (list '((1000 . "M") ( 900 . "CM") ( 500 . "D") ( 400 . "CD") | |
1062 | ( 100 . "C") ( 90 . "XC") ( 50 . "L") ( 40 . "XL") | |
1063 | ( 10 . "X") ( 9 . "IX") ( 5 . "V") ( 4 . "IV") | |
1064 | ( 1 . "I"))) | |
1065 | listel i s) | |
3b919c9f CD |
1066 | (while (>= nrest 1) |
1067 | (setq listel (pop list) | |
3666daf6 CD |
1068 | i (car listel) |
1069 | s (cdr listel)) | |
3b919c9f | 1070 | (while (>= nrest i) |
3666daf6 CD |
1071 | (setq string (concat string s) |
1072 | nrest (- nrest i)))) | |
3b919c9f | 1073 | string)) |
1a9461d0 CD |
1074 | |
1075 | ;;; reftex-parse.el ends here |