(texinfo-format-syntax-table): Revert previous change.
[bpt/emacs.git] / lisp / textmodes / reftex-index.el
CommitLineData
1a9461d0 1;;; reftex-index.el - Index support with RefTeX
9f286482 2;; Copyright (c) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
3ba2590f
RS
3
4;; Author: Carsten Dominik <dominik@strw.LeidenUniv.nl>
70d797cd 5;; Version: 4.16
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
7c4d13cc 25(eval-when-compile (require 'cl))
1a9461d0
CD
26(provide 'reftex-index)
27(require 'reftex)
28;;;
29
30(defvar mark-active)
31(defvar zmacs-regions)
48ffe14f 32(defvar transient-mark-mode)
7c4d13cc 33(defun reftex-index-selection-or-word (&optional arg phrase)
1a9461d0
CD
34 "Put selection or the word near point into the default index macro.
35This uses the information in `reftex-index-default-macro' to make an index
36entry. The phrase indexed is the current selection or the word near point.
37When called with one `C-u' prefix, let the user have a chance to edit the
38index entry. When called with 2 `C-u' as prefix, also ask for the index
39macro and other stuff.
40When called inside TeX math mode as determined by the `texmathp.el' library
41which is part of AUCTeX, the string is first processed with the
42`reftex-index-math-format', which see."
43 (interactive "P")
44 (let* ((use-default (not (equal arg '(16)))) ; check for double prefix
45 ;; check if we have an active selection
46 (active (if (boundp 'zmacs-regions)
47 (and zmacs-regions (region-exists-p)) ; XEmacs
48 (and transient-mark-mode mark-active))) ; Emacs
49 (beg (if active
50 (region-beginning)
51 (save-excursion
52 (skip-syntax-backward "w\\") (point))))
53 (end (if active
54 (region-end)
55 (save-excursion
56 (skip-syntax-forward "w\\") (point))))
57 (sel (buffer-substring beg end))
58 (mathp (condition-case nil (texmathp) (error nil)))
59 (current-prefix-arg nil) ; we want to call reftex-index without prefix.
7c4d13cc 60 key def-char def-tag full-entry)
1a9461d0 61
7c4d13cc
CD
62 (if phrase
63 (progn
64 (reftex-index-visit-phrases-buffer)
65 (reftex-index-new-phrase sel))
66
67 (if (equal sel "")
68 ;; Nothing selected, no word, so use full reftex-index command
69 (reftex-index)
70 ;; OK, we have something to index here.
71 ;; Add the dollars when necessary
72 (setq key (if mathp
73 (format reftex-index-math-format sel)
74 sel))
75 ;; Get info from `reftex-index-default-macro'
76 (setq def-char (if use-default (car reftex-index-default-macro)))
77 (setq def-tag (if use-default (nth 1 reftex-index-default-macro)))
78 ;; Does the user want to edit the entry?
79 (setq full-entry (if arg
80 (reftex-index-complete-key
81 def-tag nil (cons key 0))
82 key))
83 ;; Delete what is in the buffer and make the index entry
84 (delete-region beg end)
85 (reftex-index def-char full-entry def-tag sel)))))
86
87(defun reftex-index (&optional char key tag sel no-insert)
1a9461d0
CD
88 "Query for an index macro and insert it along with its argments.
89The index macros available are those defined in `reftex-index-macro' or
90by a call to `reftex-add-index-macros', typically from an AUCTeX style file.
91RefteX provides completion for the index tag and the index key, and
92will prompt for other arguments."
93
94 (interactive)
95
96 ;; Ensure access to scanning info
97 (reftex-ensure-index-support t)
98 (reftex-access-scan-info current-prefix-arg)
99
100 ;; Find out which macro we are going to use
101 (let* ((char (or char
102 (reftex-select-with-char reftex-query-index-macro-prompt
103 reftex-query-index-macro-help)))
104 (macro (nth 1 (assoc char reftex-key-to-index-macro-alist)))
105 (entry (or (assoc macro reftex-index-macro-alist)
106 (error "No index macro associated with %c" char)))
107 (ntag (nth 1 entry))
108 (tag (or tag (nth 1 entry)))
109 (nargs (nth 4 entry))
110 (nindex (nth 5 entry))
111 (opt-args (nth 6 entry))
7c4d13cc 112 (repeat (nth 7 entry))
1a9461d0
CD
113 opt tag1 value)
114
115 ;; Get the supported arguments
116 (if (stringp tag)
117 (setq tag1 tag)
118 (setq tag1 (or (reftex-index-complete-tag tag opt-args) "")))
119 (setq key (or key
120 (reftex-index-complete-key
121 (if (string= tag1 "") "idx" tag1)
122 (member nindex opt-args))))
123
124 ;; Insert the macro and ask for any additional args
125 (insert macro)
126 (loop for i from 1 to nargs do
127 (setq opt (member i opt-args)
128 value (cond ((= nindex i) key)
129 ((equal ntag i) tag1)
130 (t (read-string (concat "Macro arg nr. "
131 (int-to-string i)
132 (if opt " (optional)" "")
133 ": ")))))
134 (unless (and opt (string= value ""))
135 (insert (if opt "[" "{") value (if opt "]" "}"))))
7c4d13cc 136 (and repeat (stringp sel) (insert sel))
1a9461d0
CD
137 (and key reftex-plug-into-AUCTeX (fboundp 'LaTeX-add-index-entries)
138 (LaTeX-add-index-entries key))
139 (reftex-index-update-taglist tag1)
140 (reftex-notice-new)))
141
142(defun reftex-default-index ()
143 (cond ((null reftex-index-default-tag) nil)
144 ((stringp reftex-index-default-tag) reftex-index-default-tag)
145 (t (or (get reftex-docstruct-symbol 'default-index-tag)
146 "idx"))))
147
148(defun reftex-update-default-index (tag &optional tag-list)
149 (if (and (not (equal tag ""))
150 (stringp tag)
151 (eq reftex-index-default-tag 'last)
152 (or (null tag-list)
153 (member tag tag-list)))
154 (put reftex-docstruct-symbol 'default-index-tag tag)))
155
156(defun reftex-index-complete-tag (&optional itag opt-args)
157 ;; Ask the user for a tag, completing on known tags.
158 ;; ITAG is the argument number which contains the tag.
159 ;; OPT-ARGS is a list of optional argument indices, as given by
160 ;; `reftex-parse-args'.
161 (let* ((opt (and (integerp itag) (member itag opt-args)))
162 (index-tags (cdr (assq 'index-tags
163 (symbol-value reftex-docstruct-symbol))))
164 (default (reftex-default-index))
165 (prompt (concat "Index tag"
166 (if default (format " (default: %s)" default) "")
167 (if opt " (optional)" "") ": "))
168 (tag (completing-read prompt (mapcar 'list index-tags))))
169 (if (and default (equal tag "")) (setq tag default))
170 (reftex-update-default-index tag)
171 tag))
172
173(defun reftex-index-select-tag ()
174 ;; Have the user select an index tag.
175 ;; FIXME: should we cache tag-alist, prompt and help?
176 (let* ((index-tags (cdr (assoc 'index-tags
177 (symbol-value reftex-docstruct-symbol))))
178 (default (reftex-default-index)))
179 (cond
180 ((null index-tags)
181 (error "No index tags available"))
182
183 ((= (length index-tags) 1)
184 ;; Just one index, use it
185 (car index-tags))
186
187 ((> (length index-tags) 1)
188 ;; Several indices, ask.
189 (let* ((tags (copy-sequence index-tags))
190 (cnt 0)
191 tag-alist i val len tag prompt help rpl)
192 ;; Move idx and glo up in the list to ensure ?i and ?g shortcuts
193 (if (member "glo" tags)
194 (setq tags (cons "glo" (delete "glo" tags))))
195 (if (member "idx" tags)
196 (setq tags (cons "idx" (delete "idx" tags))))
197 ;; Find unique shortcuts for each index.
198 (while (setq tag (pop tags))
199 (setq len (length tag)
200 i -1
201 val nil)
202 (catch 'exit
203 (while (and (< (incf i) len) (null val))
204 (unless (assq (aref tag i) tag-alist)
205 (push (list (aref tag i)
206 tag
207 (concat (substring tag 0 i)
208 "[" (substring tag i (incf i)) "]"
209 (substring tag i)))
210 tag-alist)
211 (throw 'exit t)))
212 (push (list (+ ?0 (incf cnt)) tag
213 (concat "[" (int-to-string cnt) "]:" tag))
214 tag-alist)))
215 (setq tag-alist (nreverse tag-alist))
216 ;; Compute Prompt and Help strings
217 (setq prompt
218 (concat
219 (format "Select Index%s: "
220 (if default (format " (Default <%s>)" default) ""))
221 (mapconcat (lambda(x) (nth 2 x)) tag-alist " ")))
222 (setq help
223 (concat "Select an Index\n===============\n"
224 (if default
225 (format "[^M] %s (the default)\n" default)
226 "")
227 (mapconcat (lambda(x)
228 (apply 'format "[%c] %s" x))
229 tag-alist "\n")))
230 ;; Query the user for an index-tag
231 (setq rpl (reftex-select-with-char prompt help 3 t))
232 (message "")
233 (if (and default (equal rpl ?\C-m))
234 default
235 (if (assq rpl tag-alist)
236 (progn
237 (reftex-update-default-index (nth 1 (assq rpl tag-alist)))
238 (nth 1 (assq rpl tag-alist)))
239 (error "No index tag associated with %c" rpl)))))
240 (t (error "This should not happen (reftex-index-select-tag)")))))
241
242(defun reftex-index-complete-key (&optional tag optional initial)
243 ;; Read an index key, with completion.
244 ;; Restrict completion table on index tag TAG.
245 ;; OPTIONAL indicates if the arg is optional.
246 (let* ((table (reftex-sublist-nth
247 (symbol-value reftex-docstruct-symbol) 6
248 (lambda(x) (and (eq (car x) 'index)
249 (string= (nth 1 x) (or tag ""))))
250 t))
251 (prompt (concat "Index key" (if optional " (optional)" "") ": "))
252 (key (completing-read prompt table nil nil initial)))
253 key))
254
255(defun reftex-index-update-taglist (newtag)
256 ;; add NEWTAG to the list of available index tags.
257 (let ((cell (assoc 'index-tags (symbol-value reftex-docstruct-symbol))))
258 (and newtag (cdr cell) (not (member newtag (cdr cell)))
259 (push newtag (cdr cell)))))
260
1a9461d0
CD
261(defvar reftex-index-map (make-sparse-keymap)
262 "Keymap used for *Index* buffers.")
263
264(defvar reftex-index-menu)
265
266(defvar reftex-last-index-file nil
267 "Stores the file name from which `reftex-display-index' was called.")
268(defvar reftex-index-tag nil
269 "Stores the tag of the index in an index buffer.")
270
271(defvar reftex-index-return-marker (make-marker)
272 "Marker which makes it possible to return from index to old position.")
273
274(defvar reftex-index-restriction-indicator nil)
275(defvar reftex-index-restriction-data nil)
276
277(defun reftex-index-mode ()
278 "Major mode for managing Index buffers for LaTeX files.
279This buffer was created with RefTeX.
280Press `?' for a summary of important key bindings, or check the menu.
281
282Here are all local bindings.
283
284\\{reftex-index-map}"
285 (interactive)
286 (kill-all-local-variables)
287 (setq major-mode 'reftex-index-mode
288 mode-name "RefTeX Index")
289 (use-local-map reftex-index-map)
290 (set (make-local-variable 'revert-buffer-function) 'reftex-index-revert)
291 (set (make-local-variable 'reftex-index-restriction-data) nil)
292 (set (make-local-variable 'reftex-index-restriction-indicator) nil)
293 (setq mode-line-format
294 (list "---- " 'mode-line-buffer-identification
295 " " 'global-mode-string
296 " R<" 'reftex-index-restriction-indicator ">"
297 " -%-"))
298 (setq truncate-lines t)
299 (make-local-hook 'post-command-hook)
300 (make-local-hook 'pre-command-hook)
301 (make-local-variable 'reftex-last-follow-point)
302 (easy-menu-add reftex-index-menu reftex-index-map)
303 (add-hook 'post-command-hook 'reftex-index-post-command-hook nil t)
304 (add-hook 'pre-command-hook 'reftex-index-pre-command-hook nil t)
305 (run-hooks 'reftex-index-mode-hook))
306
307(defconst reftex-index-help
308" AVAILABLE KEYS IN INDEX BUFFER
309 ==============================
310! A..Z Goto the section of entries starting with this letter.
311n / p next-entry / previous-entry
312SPC / TAB Show/Goto the corresponding entry in the LaTeX document.
313RET Goto the entry and hide the *Index* window (also on mouse-2).
314q / k Hide/Kill *Index* buffer.
315C-c = Switch to the TOC buffer.
316f / c Toggle follow mode / Toggle display of [c]ontext.
317g Refresh *Index* buffer.
318r / C-u r Reparse the LaTeX document / Reparse entire LaTeX document.
319s Switch to a different index (for documents with multiple indices).
320e / C-k Edit/Kill the entry.
321* | @ Edit specific part of entry: [*]key [|]attribute [@]visual
322 With prefix: kill that part.
323( ) Toggle entry's beginning/end of page range property.
324_ ^ Add/Remove parent key (to make this item a subitem).
1a9461d0
CD
325} / { Restrict Index to a single document section / Widen.
326< / > When restricted, move restriction to previous/next section.")
327
328(defun reftex-index-show-entry (data &optional no-revisit)
329 ;; Find an index entry associated with DATA and display it highlighted
330 ;; in another window. NO-REVISIT means we are not allowed to visit
331 ;; files for this.
332 ;; Note: This function just looks for the nearest match of the
333 ;; context string and may fail if the entry moved and an identical
334 ;; entry is close to the old position. Frequent rescans make this
335 ;; safer.
336 (let* ((file (nth 3 data))
337 (literal (nth 2 data))
338 (pos (nth 4 data))
339 (re (regexp-quote literal))
340 (match
341 (cond
342 ((or (not no-revisit)
343 (reftex-get-buffer-visiting file))
344 (switch-to-buffer-other-window
345 (reftex-get-file-buffer-force file nil))
346 (goto-char (or pos (point-min)))
347 (or (looking-at re)
348 (reftex-nearest-match re (length literal))))
349 (t (message reftex-no-follow-message) nil))))
350 (when match
351 (goto-char (match-beginning 0))
352 (recenter '(4))
353 (reftex-highlight 0 (match-beginning 0) (match-end 0) (current-buffer)))
354 match))
355
356(defun reftex-display-index (&optional tag overriding-restriction
357 &rest locations)
358 "Display a buffer with an index compiled from the current document.
359When the document has multiple indices, first prompts for the correct one.
360When index support is turned off, offer to turn it on.
361With one or two `C-u' prefixes, rescan document first.
362With prefix 2, restrict index to current document section.
363With prefix 3, restrict index to region."
364
365 (interactive)
366
367 ;; Ensure access to scanning info and rescan buffer if prefix are is '(4).
368 (let ((current-prefix-arg current-prefix-arg))
369 (reftex-ensure-index-support t)
370 (reftex-access-scan-info current-prefix-arg))
371
372 (set-marker reftex-index-return-marker (point))
373 (setq reftex-last-follow-point 1)
374
375 ;; Determine the correct index to process
376 (let* ((docstruct (symbol-value reftex-docstruct-symbol))
377 (docstruct-symbol reftex-docstruct-symbol)
378 (index-tag (or tag (reftex-index-select-tag)))
379 (master (reftex-TeX-master-file))
380 (calling-file (buffer-file-name))
381 (restriction
382 (or overriding-restriction
383 (and (interactive-p)
384 (reftex-get-restriction current-prefix-arg docstruct))))
385 (locations
386 ;; See if we are on an index macro as initial position
387 (or locations
388 (let* ((what-macro (reftex-what-macro-safe 1))
389 (macro (car what-macro))
390 (here-I-am (when (member macro reftex-macros-with-index)
391 (save-excursion
392 (goto-char (+ (cdr what-macro)
393 (length macro)))
394 (reftex-move-over-touching-args)
395 (reftex-where-am-I)))))
396 (if (eq (car (car here-I-am)) 'index)
397 (list (car here-I-am))))))
398 buffer-name)
399
400 (setq buffer-name (reftex-make-index-buffer-name index-tag))
401
402 ;; Goto the buffer and put it into the correct mode
403
404 (when (or restriction current-prefix-arg)
405 (reftex-kill-buffer buffer-name))
406
407 (if (get-buffer-window buffer-name)
408 (select-window (get-buffer-window buffer-name))
409 (let ((default-major-mode 'reftex-index-mode))
410 (switch-to-buffer buffer-name)))
411
412 (or (eq major-mode 'reftex-index-mode) (reftex-index-mode))
413
414 ;; If the buffer is currently restricted, empty it to force update.
415 (when reftex-index-restriction-data
416 (reftex-erase-buffer))
417 (set (make-local-variable 'reftex-last-index-file) calling-file)
418 (set (make-local-variable 'reftex-index-tag) index-tag)
419 (set (make-local-variable 'reftex-docstruct-symbol) docstruct-symbol)
420 (if restriction
421 (setq reftex-index-restriction-indicator (car restriction)
422 reftex-index-restriction-data (cdr restriction))
423 (if (interactive-p)
424 (setq reftex-index-restriction-indicator nil
425 reftex-index-restriction-data nil)))
426 (when (= (buffer-size) 0)
427 ;; buffer is empty - fill it
428 (message "Building %s buffer..." buffer-name)
429
430 (setq buffer-read-only nil)
431 (insert (format
432"INDEX <%s> on %s
433Restriction: <%s>
434SPC=view TAB=goto RET=goto+hide [e]dit [q]uit [r]escan [f]ollow [?]Help
435------------------------------------------------------------------------------
436" index-tag (abbreviate-file-name master)
437(if (eq (car (car reftex-index-restriction-data)) 'toc)
438 (nth 2 (car reftex-index-restriction-data))
439 reftex-index-restriction-indicator)))
440
441 (if (reftex-use-fonts)
442 (put-text-property 1 (point) 'face reftex-index-header-face))
443 (put-text-property 1 (point) 'intangible t)
444
445 (reftex-insert-index docstruct index-tag)
446 (goto-char (point-min))
447 (run-hooks 'reftex-display-copied-context-hook)
448 (message "Building %s buffer...done." buffer-name)
449 (setq buffer-read-only t))
450 (and locations (apply 'reftex-find-start-point (point) locations))
451 (if reftex-index-restriction-indicator
452 (message "Index restricted: <%s>" reftex-index-restriction-indicator))))
453
454(defun reftex-insert-index (docstruct tag &optional update-one remark)
455 ;; Insert an index into the current buffer. Entries are from the
456 ;; DOCSTRUCT.
457 ;; TAG is the subindex to process.
458 ;; UPDATE-ONE: When non-nil, delete the entry at point and replace
459 ;; it with whatever the DOCSTRUCT contains.
460 ;; REMARK can be a note to add to the entry.
461 (let* ((all docstruct)
462 (indent " ")
463 (context reftex-index-include-context)
464 (context-indent (concat indent " "))
465 (section-chars (mapcar 'identity reftex-index-section-letters))
466 (this-section-char 0)
467 (font (reftex-use-fonts))
468 (bor (car reftex-index-restriction-data))
469 (eor (nth 1 reftex-index-restriction-data))
470 (mouse-face
471 (if (memq reftex-highlight-selection '(mouse both))
472 reftex-mouse-selected-face
473 nil))
474 (index-face (reftex-verified-face reftex-label-face
475 'font-lock-constant-face
476 'font-lock-reference-face))
477 sublist cell from to first-char)
478
479 ;; Make the sublist and sort it
480 (when bor
481 (setq all (or (memq bor all) all)))
482
483 (while (setq cell (pop all))
484 (if (eq cell eor)
485 (setq all nil)
486 (and (eq (car cell) 'index)
487 (equal (nth 1 cell) tag)
488 (push cell sublist))))
489 (setq sublist (sort (nreverse sublist)
490 (lambda (a b) (string< (nth 8 a) (nth 8 b)))))
491
492 (when update-one
493 ;; Delete the entry at place
494 (and (bolp) (forward-char 1))
495 (delete-region (previous-single-property-change (1+ (point)) :data)
496 (or (next-single-property-change (point) :data)
497 (point-max))))
498
499 ;; Walk through the list and insert all entries
500 (while (setq cell (pop sublist))
501 (unless update-one
502 (setq first-char (upcase (string-to-char (nth 6 cell))))
503 (when (and (not (equal first-char this-section-char))
504 (member first-char section-chars))
505 ;; There is a new initial letter, so start a new section
506 (reftex-index-insert-new-letter first-char font)
507 (setq section-chars (delete first-char section-chars)
508 this-section-char first-char))
509 (when (= this-section-char 0)
510 (setq this-section-char ?!)
511 (reftex-index-insert-new-letter this-section-char font)))
512
513 (setq from (point))
514 (insert indent (nth 7 cell))
515 (when font
516 (setq to (point))
517 (put-text-property
518 (- (point) (length (nth 7 cell))) to
519 'face index-face)
520 (goto-char to))
521
522 (when (or remark (nth 9 cell))
523 (and (< (current-column) 40)
524 ;; FIXME: maybe this is too slow?
525 (insert (make-string (max (- 40 (current-column)) 0) ?\ )))
526 (and (nth 9 cell) (insert " " (substring (nth 5 cell) (nth 9 cell))))
527 (and remark (insert " " remark)))
528
529 (insert "\n")
530 (setq to (point))
531
532 (when context
533 (insert context-indent (nth 2 cell) "\n")
534 (setq to (point)))
535 (put-text-property from to :data cell)
536 (when mouse-face
537 (put-text-property from (1- to)
538 'mouse-face mouse-face))
539 (goto-char to))))
540
541
542(defun reftex-index-insert-new-letter (letter &optional font)
543 ;; Start a new section in the index
544 (let ((from (point)))
545 (insert "\n" letter letter letter
546 "-----------------------------------------------------------------")
547 (when font
548 (put-text-property from (point) 'face reftex-index-section-face))
549 (insert "\n")))
550
551(defun reftex-get-restriction (arg docstruct)
552 ;; Interprete the prefix ARG and derive index restriction specs.
553 (let* ((beg (min (point) (or (condition-case nil (mark) (error nil))
554 (point-max))))
555 (end (max (point) (or (condition-case nil (mark) (error nil))
556 (point-min))))
557 bor eor label here-I-am)
558 (cond
559 ((eq arg 2)
560 (setq here-I-am (car (reftex-where-am-I))
561 bor (if (eq (car here-I-am) 'toc)
562 here-I-am
563 (reftex-last-assoc-before-elt
564 'toc here-I-am docstruct))
565 eor (car (memq (assq 'toc (cdr (memq bor docstruct))) docstruct))
566 label (nth 6 bor)))
567 ((eq arg 3)
568 (save-excursion
569 (setq label "region")
570 (goto-char beg)
571 (setq bor (car (reftex-where-am-I)))
572 (setq bor (nth 1 (memq bor docstruct)))
573 (goto-char end)
574 (setq eor (nth 1 (memq (car (reftex-where-am-I)) docstruct)))))
575 (t nil))
576 (if (and label (or bor eor))
577 (list label bor eor)
578 nil)))
579
580(defun reftex-index-pre-command-hook ()
581 ;; Used as pre command hook in *Index* buffer
582 (reftex-unhighlight 0)
583 (reftex-unhighlight 1))
584
585(defun reftex-index-post-command-hook ()
586 ;; Used in the post-command-hook for the *Index* buffer
587 (when (get-text-property (point) :data)
588 (and (> (point) 1)
589 (not (get-text-property (point) 'intangible))
590 (memq reftex-highlight-selection '(cursor both))
591 (reftex-highlight 1
592 (or (previous-single-property-change (1+ (point)) :data)
593 (point-min))
594 (or (next-single-property-change (point) :data)
595 (point-max)))))
596 (if (integerp reftex-index-follow-mode)
597 ;; Remove delayed action
598 (setq reftex-index-follow-mode t)
599 (and reftex-index-follow-mode
600 (not (equal reftex-last-follow-point (point)))
601 ;; Show context in other window
602 (setq reftex-last-follow-point (point))
603 (condition-case nil
604 (reftex-index-visit-location nil (not reftex-revisit-to-follow))
605 (error t)))))
606
607(defun reftex-index-show-help ()
608 "Show a summary of special key bindings."
609 (interactive)
610 (with-output-to-temp-buffer "*RefTeX Help*"
611 (princ reftex-index-help))
612 (reftex-enlarge-to-fit "*RefTeX Help*" t)
613 ;; If follow mode is active, arrange to delay it one command
614 (if reftex-index-follow-mode
615 (setq reftex-index-follow-mode 1)))
616
617(defun reftex-index-next (&optional arg)
618 "Move to next selectable item."
619 (interactive "p")
620 (setq reftex-callback-fwd t)
621 (or (eobp) (forward-char 1))
622 (goto-char (or (next-single-property-change (point) :data)
623 (point)))
624 (unless (get-text-property (point) :data)
625 (goto-char (or (next-single-property-change (point) :data)
626 (point)))))
627(defun reftex-index-previous (&optional arg)
628 "Move to previous selectable item."
629 (interactive "p")
630 (setq reftex-callback-fwd nil)
631 (goto-char (or (previous-single-property-change (point) :data)
632 (point)))
633 (unless (get-text-property (point) :data)
634 (goto-char (or (previous-single-property-change (point) :data)
635 (point)))))
636(defun reftex-index-toggle-follow ()
637 "Toggle follow (other window follows with context)."
638 (interactive)
639 (setq reftex-last-follow-point -1)
640 (setq reftex-index-follow-mode (not reftex-index-follow-mode)))
641(defun reftex-index-toggle-context ()
642 "Toggle inclusion of label context in *Index* buffer.
643Label context is only displayed when the labels are there as well."
644 (interactive)
645 (setq reftex-index-include-context (not reftex-index-include-context))
646 (reftex-index-revert))
647(defun reftex-index-view-entry ()
648 "View document location in other window."
649 (interactive)
650 (reftex-index-visit-location))
651(defun reftex-index-goto-entry-and-hide ()
652 "Go to document location in other window. Hide the *Index* window."
653 (interactive)
654 (reftex-index-visit-location 'hide))
655(defun reftex-index-goto-entry ()
656 "Go to document location in other window. *Index* window stays."
657 (interactive)
658 (reftex-index-visit-location t))
659(defun reftex-index-mouse-goto-line-and-hide (ev)
660 "Go to document location in other window. Hide the *Index* window."
661 (interactive "e")
662 (mouse-set-point ev)
663 (reftex-index-visit-location 'hide))
664(defun reftex-index-quit ()
665 "Hide the *Index* window and do not move point."
666 (interactive)
667 (or (one-window-p) (delete-window))
668 (switch-to-buffer (marker-buffer reftex-index-return-marker))
669 (goto-char (or (marker-position reftex-index-return-marker) (point))))
670(defun reftex-index-quit-and-kill ()
671 "Kill the *Index* buffer."
672 (interactive)
673 (kill-buffer (current-buffer))
674 (or (one-window-p) (delete-window))
675 (switch-to-buffer (marker-buffer reftex-index-return-marker))
676 (goto-char (or (marker-position reftex-index-return-marker) (point))))
677(defun reftex-index-goto-toc (&rest ignore)
678 "Switch to the table of contents of the current document.
679The function will go to the section where the entry at point was defined."
680 (interactive)
681 (if (get-text-property (point) :data)
682 (reftex-index-goto-entry)
683 (switch-to-buffer (marker-buffer reftex-index-return-marker)))
684 (delete-other-windows)
685 (reftex-toc))
686(defun reftex-index-rescan (&rest ignore)
687 "Regenerate the *Index* buffer after reparsing file of section at point."
688 (interactive)
689 (let ((index-tag reftex-index-tag))
690 (if (and reftex-enable-partial-scans
691 (null current-prefix-arg))
692 (let* ((data (get-text-property (point) :data))
693 (file (nth 3 data))
694 (line (+ (count-lines (point-min) (point)) (if (bolp) 1 0))))
695 (if (not file)
696 (error "Don't know which file to rescan. Try `C-u r'")
697 (switch-to-buffer (reftex-get-file-buffer-force file))
698 (setq current-prefix-arg '(4))
699 (reftex-display-index index-tag nil line)))
700 (reftex-index-Rescan))
701 (reftex-kill-temporary-buffers)))
702(defun reftex-index-Rescan (&rest ignore)
703 "Regenerate the *Index* buffer after reparsing the entire document."
704 (interactive)
705 (let ((index-tag reftex-index-tag)
706 (line (+ (count-lines (point-min) (point)) (if (bolp) 1 0))))
707 (switch-to-buffer
708 (reftex-get-file-buffer-force reftex-last-index-file))
709 (setq current-prefix-arg '(16))
710 (reftex-display-index index-tag nil line)))
711(defun reftex-index-revert (&rest ignore)
712 "Regenerate the *Index* from the internal lists. No reparsing os done."
713 (interactive)
714 (let ((buf (current-buffer))
715 (index-tag reftex-index-tag)
716 (data (get-text-property (point) :data))
717 (line (+ (count-lines (point-min) (point)) (if (bolp) 1 0))))
718 (switch-to-buffer
719 (reftex-get-file-buffer-force reftex-last-index-file))
720 (reftex-erase-buffer buf)
721 (setq current-prefix-arg nil
722 reftex-last-follow-point 1)
723 (reftex-display-index index-tag nil data line)))
724(defun reftex-index-switch-index-tag (&rest ignore)
725 "Switch to a different index of the same document."
726 (interactive)
727 (switch-to-buffer
728 (reftex-get-file-buffer-force reftex-last-index-file))
729 (setq current-prefix-arg nil)
730 (reftex-display-index))
731
732(defun reftex-index-restrict-to-section (&optional force)
733 "Restrict index to entries defined in same document sect. as entry at point."
734 ;; Optional FORCE means, even if point is not on an index entry.
735 (interactive)
736 (let* ((data (get-text-property (point) :data))
737 (docstruct (symbol-value reftex-docstruct-symbol))
738 bor eor)
739 (if (and (not data) force)
740 (setq data (assq 'toc docstruct)))
741 (when data
742 (setq bor (reftex-last-assoc-before-elt 'toc data docstruct)
743 eor (car (memq (assq 'toc (cdr (memq bor docstruct)))
744 docstruct))
745 reftex-index-restriction-data (list bor eor)
746 reftex-index-restriction-indicator (nth 6 bor) )))
747 (reftex-index-revert))
748
749(defun reftex-index-widen (&rest ignore)
750 "Show the unrestricted index (all entries)."
751 (interactive)
752 (setq reftex-index-restriction-indicator nil
753 reftex-index-restriction-data nil)
754 (reftex-index-revert)
755 (message "Index widened"))
756(defun reftex-index-restriction-forward (&rest ignore)
757 "Restrict to previous section.
758When index is currently unrestricted, restrict it to a section.
759When index is restricted, select the next section as restriction criterion."
760 (interactive)
761 (let* ((docstruct (symbol-value reftex-docstruct-symbol))
762 (bor (nth 1 reftex-index-restriction-data)))
763 (if (or (not bor)
764 (not (eq (car bor) 'toc)))
765 (reftex-index-restrict-to-section t)
766 (setq reftex-index-restriction-indicator (nth 6 bor)
767 reftex-index-restriction-data
768 (list bor
769 (car (memq (assq 'toc (cdr (memq bor docstruct)))
770 docstruct))))
771 (reftex-index-revert))))
772(defun reftex-index-restriction-backward (&rest ignore)
773 "Restrict to next section.
774When index is currently unrestricted, restrict it to a section.
775When index is restricted, select the previous section as restriction criterion."
776 (interactive)
777 (let* ((docstruct (symbol-value reftex-docstruct-symbol))
778 (eor (car reftex-index-restriction-data))
779 (bor (reftex-last-assoc-before-elt 'toc eor docstruct t)))
780 (if (or (not bor)
781 (not (eq (car bor) 'toc)))
782 (reftex-index-restrict-to-section t)
783 (setq reftex-index-restriction-indicator (nth 6 bor)
784 reftex-index-restriction-data
785 (list bor eor))
786 (reftex-index-revert))))
787
788(defun reftex-index-visit-location (&optional final no-revisit)
789 ;; Visit the tex file corresponding to the index entry on the current line.
790 ;; If FINAL is t, stay there
791 ;; If FINAL is 'hide, hide the *Index* window.
792 ;; Otherwise, move cursor back into *Index* window.
793 ;; NO-REVISIT means don't visit files, just use live biffers.
794
795 (let* ((data (get-text-property (point) :data))
796 (index-window (selected-window))
797 show-window show-buffer match)
798
799 (unless data (error "Don't know which index entry to visit"))
800
801 (if (eq (car data) 'index)
802 (setq match (reftex-index-show-entry data no-revisit)))
803
804 (setq show-window (selected-window)
805 show-buffer (current-buffer))
806
807 (unless match
808 (select-window index-window)
809 (error "Cannot find location"))
810
811 (select-window index-window)
812
813 ;; Use the `final' parameter to decide what to do next
814 (cond
815 ((eq final t)
816 (reftex-unhighlight 0)
817 (select-window show-window))
818 ((eq final 'hide)
819 (reftex-unhighlight 0)
820 (or (one-window-p) (delete-window))
821 (switch-to-buffer show-buffer))
822 (t nil))))
823
824(defun reftex-index-analyze-entry (data)
825 ;; This splits the index context so that key, attribute and visual
826 ;; values are accessible individually.
827 (interactive)
828 (let* ((arg (nth 5 data))
829 (context (nth 2 data))
830 (sc reftex-index-special-chars)
831 (boa (if (string-match (regexp-quote (concat "{" arg "}")) context)
832 (1+ (match-beginning 0))
833 (error "Something is wrong here")))
834 (eoa (1- (match-end 0)))
835 (boactual (if (string-match (concat "[^" (nth 3 sc) "]" (nth 2 sc))
836 context boa)
837 (1+ (match-beginning 0))
838 eoa))
839 (boattr (if (string-match (concat "[^" (nth 3 sc) "]" (nth 1 sc))
840 context boa)
841 (1+ (match-beginning 0))
842 boactual))
843 (pre (substring context 0 boa))
844 (key (substring context boa boattr))
845 (attr (substring context boattr boactual))
846 (actual (substring context boactual eoa))
847 (post (substring context eoa)))
848 (list pre key attr actual post)))
849
1a9461d0
CD
850(defun reftex-index-edit ()
851 "Edit the index entry at point."
852 (interactive)
853 (let* ((data (get-text-property (point) :data))
854 old new)
855 (unless data (error "Don't know which index entry to edit"))
856 (reftex-index-view-entry)
857 (setq old (nth 2 data) new (read-string "Edit: " old))
858 (reftex-index-change-entry new)))
859
860(defun reftex-index-toggle-range-beginning ()
861 "Toggle the page range start attribute `|('."
862 (interactive)
863 (let* ((data (get-text-property (point) :data))
864 (bor (concat (nth 1 reftex-index-special-chars) "("))
865 new analyze attr)
866 (unless data (error "Don't know which index entry to edit"))
867 (setq analyze (reftex-index-analyze-entry data)
868 attr (nth 2 analyze))
869 (setf (nth 2 analyze) (if (string= attr bor) "" bor))
870 (setq new (apply 'concat analyze))
871 (reftex-index-change-entry
872 new (if (string= (nth 2 analyze) bor)
873 "Entry is now START-OF-PAGE-RANGE"
874 "START-OF-PAGE-RANGE canceled"))))
875
876(defun reftex-index-toggle-range-end ()
877 "Toggle the page-range-end attribute `|)'."
878 (interactive)
879 (let* ((data (get-text-property (point) :data))
7c4d13cc 880 (eor (concat (nth 1 reftex-index-special-chars) ")"))
1a9461d0
CD
881 new analyze attr)
882 (unless data (error "Don't know which index entry to edit"))
883 (setq analyze (reftex-index-analyze-entry data)
884 attr (nth 2 analyze))
885 (setf (nth 2 analyze) (if (string= attr eor) "" eor))
886 (setq new (apply 'concat analyze))
887 (reftex-index-change-entry
888 new (if (string= (nth 2 analyze) eor)
889 "Entry is now END-OF-PAGE-RANGE"
890 "END-OF-PAGE-RANGE canceled"))))
891
892(defun reftex-index-edit-key ()
893 "Edit the KEY part of the index entry."
894 (interactive)
895 (reftex-index-edit-part nil 1 "" "Key: " t))
896
897(defun reftex-index-edit-attribute (&optional arg)
898 "EDIT the ATTRIBUTE part of the entry. With arg: remove entire ATTRIBUTE."
899 (interactive "P")
900 (reftex-index-edit-part arg 2 (nth 1 reftex-index-special-chars)
901 "Attribute: "))
902
903(defun reftex-index-edit-visual (&optional arg)
904 "EDIT the VISUAL part of the entry. With arg: remove entire VISUAL string."
905 (interactive "P")
906 (reftex-index-edit-part arg 3 (nth 2 reftex-index-special-chars) "Visual: "))
907
908(defun reftex-index-edit-part (arg n initial prompt &optional dont-allow-empty)
909 ;; This function does the work for all partial editing commands
910 (let* ((data (get-text-property (point) :data))
911 new analyze opart npart)
912 (unless data (error "Don't know which index entry to edit"))
913 ;; Analyze the whole context string
914 (setq analyze (reftex-index-analyze-entry data)
915 opart (nth n analyze))
916 (and (> (length opart) 0) (setq opart (substring opart 1)))
917 ;; Have the user editing the part
918 (setq npart (if arg "" (read-string (concat prompt initial) opart)))
919 ;; Tests:
920 (cond ((string= npart opart)
921 (error "Not changed"))
922 ((string= npart "")
923 (if dont-allow-empty
924 (error "Illegal value")
925 (setf (nth n analyze) npart)))
926 (t (setf (nth n analyze) (concat initial npart))))
927 (setq new (apply 'concat analyze))
928 ;; Change the entry and insert the changed version into the index.
929 (reftex-index-change-entry
930 new (if (string= npart "")
931 (format "Deleted: %s" opart)
932 (format "New value is: %s" npart)))))
933
934(defun reftex-index-level-down ()
935 "Make index entry a subitem of another entry."
936 (interactive)
937 (let* ((data (get-text-property (point) :data))
938 (docstruct (symbol-value reftex-docstruct-symbol))
939 old new prefix key)
940 (unless data (error "Don't know which index entry to change"))
941 (setq old (nth 2 data)
942 key (nth 6 data)
943 prefix (completing-read
944 "Prefix: "
945 (reftex-sublist-nth
946 docstruct 6
947 (lambda (x)
948 (and (eq (car x) 'index)
949 (string= (nth 1 x) reftex-index-tag))) t)))
950 (unless (string-match
951 (concat (regexp-quote (car reftex-index-special-chars)) "\\'")
952 prefix)
953 (setq prefix (concat prefix (car reftex-index-special-chars))))
954 (if (string-match (regexp-quote key) old)
955 (setq new (replace-match (concat prefix key) t t old))
956 (error "Cannot construct new index key"))
957 (reftex-index-change-entry new (format "Added prefix: %s" prefix))))
958
959(defun reftex-index-level-up ()
960 "Remove the highest level of a hierarchical index entry."
961 (interactive)
962 (let* ((data (get-text-property (point) :data))
963 old new prefix)
964 (unless data (error "Don't know which entry to change"))
965 (setq old (nth 2 data))
966 (if (string-match (concat "{\\([^" (nth 0 reftex-index-special-chars) "]*"
967 "[^" (nth 3 reftex-index-special-chars) "]"
968 (regexp-quote (nth 0 reftex-index-special-chars))
969 "\\)")
970 old)
971 (setq prefix (substring old (match-beginning 1) (match-end 1))
972 new (concat (substring old 0 (match-beginning 1))
973 (substring old (match-end 1))))
974 (error "Entry is not a subitem"))
975 (reftex-index-change-entry new (format "Removed prefix: %s" prefix))))
976
977(defun reftex-index-kill ()
978 "FIXME: Not yet implemented"
979 (interactive)
980 (error "This function is currently not implemented"))
981
982(defun reftex-index-undo ()
983 "FIXME: Not yet implemented"
984 (interactive)
985 (error "This function is currently not implemented"))
986
987(defun reftex-index-change-entry (new &optional message)
988 ;; Change the full context string of the index entry at point to
989 ;; NEW. This actually edits the buffer where the entry is defined.
990
991 (let* ((data (get-text-property (point) :data))
992 old beg end info)
993 (unless data (error "Cannot change entry"))
994 (reftex-index-view-entry)
995 (setq beg (match-beginning 0) end (match-end 0))
996 (setq old (nth 2 data))
997 (and (equal old new) (error "Entry unchanged"))
998 (save-excursion
999 (set-buffer (get-file-buffer (nth 3 data)))
1000 (goto-char beg)
1001 (unless (looking-at (regexp-quote old))
1002 (error "This should not happen (reftex-index-change-entry)"))
1003 (delete-region beg end)
1004 (insert new)
1005 (goto-char (1- beg))
1006 (when (and (re-search-forward (reftex-everything-regexp) nil t)
1007 (match-end 10)
1008 (< (abs (- (match-beginning 10) beg)) (length new))
1009 (setq info (reftex-index-info-safe buffer-file-name)))
1010 (setcdr data (cdr info))))
1011 (let ((buffer-read-only nil))
1012 (save-excursion
1013 (reftex-insert-index (list data) reftex-index-tag t
1014 "EDITED")))
1015 (setq reftex-last-follow-point 1)
1016 (and message (message message))))
1017
1018;; Index map
1019(define-key reftex-index-map (if (featurep 'xemacs) [(button2)] [(mouse-2)])
1020 'reftex-index-mouse-goto-line-and-hide)
1021
1022(substitute-key-definition
1023 'next-line 'reftex-index-next reftex-index-map global-map)
1024(substitute-key-definition
1025 'previous-line 'reftex-index-previous reftex-index-map global-map)
1026
1027(loop for x in
1028 '(("n" . reftex-index-next)
1029 ("p" . reftex-index-previous)
1030 ("?" . reftex-index-show-help)
1031 (" " . reftex-index-view-entry)
1032 ("\C-m" . reftex-index-goto-entry-and-hide)
1033 ("\C-i" . reftex-index-goto-entry)
1034 ("\C-k" . reftex-index-kill)
1035 ("r" . reftex-index-rescan)
1036 ("R" . reftex-index-Rescan)
1037 ("g" . revert-buffer)
1038 ("q" . reftex-index-quit)
1039 ("k" . reftex-index-quit-and-kill)
1040 ("f" . reftex-index-toggle-follow)
1041 ("s" . reftex-index-switch-index-tag)
1042 ("e" . reftex-index-edit)
1043 ("^" . reftex-index-level-up)
1044 ("_" . reftex-index-level-down)
1045 ("}" . reftex-index-restrict-to-section)
1046 ("{" . reftex-index-widen)
1047 (">" . reftex-index-restriction-forward)
1048 ("<" . reftex-index-restriction-backward)
1049 ("(" . reftex-index-toggle-range-beginning)
1050 (")" . reftex-index-toggle-range-end)
1051 ("|" . reftex-index-edit-attribute)
1052 ("@" . reftex-index-edit-visual)
1053 ("*" . reftex-index-edit-key)
1a9461d0
CD
1054 ("\C-c=". reftex-index-goto-toc)
1055 ("c" . reftex-index-toggle-context))
1056 do (define-key reftex-index-map (car x) (cdr x)))
1057
1058(loop for key across "0123456789" do
1059 (define-key reftex-index-map (vector (list key)) 'digit-argument))
1060(define-key reftex-index-map "-" 'negative-argument)
1061
1062;; The capital letters and the exclamation mark
1063(loop for key across (concat "!" reftex-index-section-letters) do
1064 (define-key reftex-index-map (vector (list key))
1065 (list 'lambda '() '(interactive)
1066 (list 'reftex-index-goto-letter key))))
1067
1068(defun reftex-index-goto-letter (char)
1069 "Go to the CHAR section in the index."
1070 (let ((pos (point))
1071 (case-fold-search nil))
1072 (goto-line 3)
1073 (if (re-search-forward (concat "^" (char-to-string char)) nil t)
1074 (progn
1075 (beginning-of-line)
1076 (recenter 0)
1077 (reftex-index-next))
1078 (goto-char pos)
7c4d13cc
CD
1079 (if (eq char ?!)
1080 (error "This <%s> index does not contain entries sorted before the letters"
1081 reftex-index-tag)
1082 (error "This <%s> index does not contain entries starting with `%c'"
1083 reftex-index-tag char)))))
1a9461d0
CD
1084
1085(easy-menu-define
1086 reftex-index-menu reftex-index-map
1087 "Menu for Index buffer"
1088 `("Index"
1089 ["Goto section A-Z"
1090 (message "To go to a section, just press any of: !%s"
1091 reftex-index-section-letters) t]
1092 ["Show Entry" reftex-index-view-entry t]
1093 ["Go To Entry" reftex-index-goto-entry t]
1094 ["Exit & Go To Entry" reftex-index-goto-entry-and-hide t]
1095 ["Table of Contents" reftex-index-goto-toc t]
1096 ["Quit" reftex-index-quit t]
1097 "--"
1098 ("Update"
1099 ["Rebuilt *Index* Buffer" revert-buffer t]
1100 "--"
1101 ["Rescan One File" reftex-index-rescan reftex-enable-partial-scans]
1102 ["Rescan Entire Document" reftex-index-Rescan t])
1103 ("Restrict"
1104 ["Restrict to section" reftex-index-restrict-to-section t]
1105 ["Widen" reftex-index-widen reftex-index-restriction-indicator]
1106 ["Next Section" reftex-index-restriction-forward
1107 reftex-index-restriction-indicator]
1108 ["Previous Section" reftex-index-restriction-backward
1109 reftex-index-restriction-indicator])
1110 ("Edit"
1111 ["Edit Entry" reftex-index-edit t]
1112 ["Edit Key" reftex-index-edit-key t]
1113 ["Edit Attribute" reftex-index-edit-attribute t]
1114 ["Edit Visual" reftex-index-edit-visual t]
1115 "--"
1116 ["Add Parentkey" reftex-index-level-down t]
1117 ["Remove Parentkey " reftex-index-level-up t]
1118 "--"
1119 ["Make Start-of-Range" reftex-index-toggle-range-beginning t]
1120 ["Make End-of-Range" reftex-index-toggle-range-end t]
1121 "--"
1a9461d0
CD
1122 ["Kill Entry" reftex-index-kill nil]
1123 "--"
1124 ["Undo" reftex-index-undo nil])
1125 ("Options"
1126 ["Context" reftex-index-toggle-context :style toggle
1127 :selected reftex-index-include-context]
1128 "--"
1129 ["Follow Mode" reftex-index-toggle-follow :style toggle
1130 :selected reftex-index-follow-mode])
1131 "--"
1132 ["Help" reftex-index-show-help t]))
1133
7c4d13cc
CD
1134
1135;;----------------------------------------------------------------------
1136;; The Index Phrases File
1137
1138;; Some constants and variables
1139(defconst reftex-index-phrases-comment-regexp "^[ \t]*%.*"
1140 "Regular expression to match comment lines in phrases buffer")
1141(defconst reftex-index-phrases-macrodef-regexp
1142 "^\\(>>>INDEX_MACRO_DEFINITION:\\)[ \t]+\\(\\S-\\)\\( *\t[ \t]*\\)\\([^\t]*[^ \t]\\)\\( *\t[ \t]*\\)\\(\\S-+\\)"
1143 "Regular expression to match macro definition lines the phrases buffer.")
1144;(defconst reftex-index-phrases-macrodef-regexp
1145; "^\\(>>>INDEX_MACRO_DEFINITION:\\)[ \t]+\\(\\S-\\)\\([ \t]*\\)\\([^\t]*[^ \t]\\)\\([ \t]*\\)\\(nil\\|t\\)[ \t]*$"
1146; "Regular expression to match macro definition lines the phrases buffer.
1147;This version would allow just spaces as separators.")
1148(defconst reftex-index-phrases-phrase-regexp1
1149 "^\\(\\S-?\\)\\(\t\\)\\([^\t\n]*\\S-\\)\\([ \t]*\\)$"
1150 "Regular expression matching phrases which have no separate index key.")
1151(defconst reftex-index-phrases-phrase-regexp2
1152 "^\\(\\S-?\\)\\(\t\\)\\([^\t]*\\S-\\)\\(\t[ \t]*\\)\\([^\n\t]*\\S-\\)[ \t]*$"
1153 "Regular expression matching phrases which have a separate index key.")
1154(defconst reftex-index-phrases-phrase-regexp12
1155 "^\\(\\S-?\\)\\(\t\\)\\([^\n\t]*\\S-\\)\\(\\(\t[ \t]*\\)\\([^\n\t]*\\S-\\)\\)?[ \t]*$"
1156 "Regular expression matching all types of phrase lines.")
1157(defvar reftex-index-phrases-macro-data nil
1158 "Alist containing the information taken from the macro definition lines.
1159This gets refreshed in every phrases command.")
1160(defvar reftex-index-phrases-files nil
1161 "List of document files relevant for the phrases file.")
1162
1163(defvar reftex-index-phrases-font-lock-keywords nil
1164 "Font lock keywords for reftex-index-phrases-mode.")
1165(defvar reftex-index-phrases-font-lock-defaults nil
1166 "Font lock defaults for reftex-index-phrases-mode.")
1167(defvar reftex-index-phrases-map (make-sparse-keymap)
1168 "Keymap used for *toc* buffer.")
1169
1170
1171(defun reftex-index-phrase-selection-or-word (arg)
1172 "Add current selection or word at point to the phrases buffer.
1173When you are in transient-mark-mode and the region is active, the
1174selection will be used - otherwise the word at point.
1175You get a chance to edit the entry in the phrases buffer - finish with
1176`C-c C-c'."
1177 (interactive "P")
1178 (set-marker reftex-index-return-marker (point))
1179 (reftex-index-selection-or-word arg 'phrase)
1180 (if (eq major-mode 'reftex-index-phrases-mode)
1181 (message
1182 (substitute-command-keys
1183 "Return to LaTeX with \\[reftex-index-phrases-save-and-return]"))))
1184
1185(defun reftex-index-visit-phrases-buffer ()
1186 "Switch to the phrases buffer, initialize if empty."
1187 (interactive)
1188 (reftex-access-scan-info)
1189 (let* ((master (reftex-TeX-master-file))
9f286482
CD
1190 (name (concat (file-name-sans-extension master)
1191 reftex-index-phrase-file-extension)))
7c4d13cc
CD
1192 (find-file name)
1193 (unless (eq major-mode 'reftex-index-phrases-mode)
1194 (reftex-index-phrases-mode))
1195 (if (= (buffer-size) 0)
1196 (reftex-index-initialize-phrases-buffer master))))
1197
1198(defun reftex-index-initialize-phrases-buffer (&optional master)
1199 "Initialize the phrases buffer by creating the header.
1200If the buffer is non-empty, delete the old header first."
1201 (interactive)
1202 (let* ((case-fold-search t)
1203 (default-key (car reftex-index-default-macro))
1204 (default-macro (nth 1 (assoc default-key
1205 reftex-key-to-index-macro-alist)))
1206 (macro-alist
1207 (sort (copy-sequence reftex-index-macro-alist)
1208 (lambda (a b) (equal (car a) default-macro))))
1209 macro entry key repeat)
1210
1211 (if master (set (make-local-variable 'TeX-master)
1212 (file-name-nondirectory master)))
1213
1214 (when (> (buffer-size) 0)
1215 (goto-char 1)
1216 (set-mark (point))
1217 (while (re-search-forward reftex-index-phrases-macrodef-regexp nil t)
1218 (end-of-line))
1219 (beginning-of-line 2)
1220 (if (looking-at reftex-index-phrases-comment-regexp)
1221 (beginning-of-line 2))
1222 (while (looking-at "^[ \t]*$")
1223 (beginning-of-line 2))
1224 (cond ((fboundp 'zmacs-activate-region) (zmacs-activate-region))
1225 ((boundp 'make-active) (setq mark-active t)))
1226 (if (yes-or-no-p "Delete and rebuilt header ")
1227 (delete-region (point-min) (point))))
1228
1229 ;; Insert the mode line
1230 (insert
1231 (format "%% -*- mode: reftex-index-phrases; TeX-master: \"%s\" -*-\n"
1232 (file-name-nondirectory (reftex-index-phrase-tex-master))))
1233 ;; Insert the macro definitions
1234 (insert "% Key Macro Format Repeat\n")
1235 (insert "%---------------------------------------------------------------------\n")
1236 (while (setq entry (pop macro-alist))
1237 (setq macro (car entry)
1238 repeat (nth 7 entry)
1239 key (car (delq nil (mapcar (lambda (x) (if (equal (nth 1 x) macro)
1240 (car x)
1241 nil))
1242 reftex-key-to-index-macro-alist))))
1243 (insert (format ">>>INDEX_MACRO_DEFINITION:\t%s\t%-20s\t%s\n"
1244 (char-to-string key) (concat macro "{%s}")
1245 (if repeat "t" "nil"))))
1246 (insert "%---------------------------------------------------------------------\n\n\n")))
1247
1248(defvar TeX-master)
1249(defun reftex-index-phrase-tex-master (&optional dir)
1250 "Return the name of the master file associated with a phrase buffer."
1251 (if (and (boundp 'TeX-master)
1252 (local-variable-p 'TeX-master (current-buffer))
1253 (stringp TeX-master))
1254 ;; We have a local variable which tells us which file to use
1255 (expand-file-name TeX-master dir)
1256 ;; have to guess
1257 (concat (file-name-sans-extension (buffer-file-name)) ".tex")))
1258
1259(defun reftex-index-phrases-save-and-return ()
1260 "Return to where the `reftex-index-phrase-selection-or-word' was called."
1261 (interactive)
1262 (save-buffer)
1263 (switch-to-buffer (marker-buffer reftex-index-return-marker))
1264 (goto-char (or (marker-position reftex-index-return-marker) (point))))
1265
1266
1267(defvar reftex-index-phrases-menu)
1268(defvar reftex-index-phrases-restrict-file nil)
1269;;;###autoload
1270(defun reftex-index-phrases-mode ()
1271 "Major mode for managing the Index phrases of a LaTeX document.
1272This buffer was created with RefTeX.
1273
1274To insert new phrases, use
1275 - `C-c \\' in the LaTeX document to copy selection or word
1276 - `\\[reftex-index-new-phrase]' in the phrases buffer.
1277
1278To index phrases use one of:
1279
1280\\[reftex-index-this-phrase] index current phrase
1281\\[reftex-index-next-phrase] index next phrase (or N with prefix arg)
1282\\[reftex-index-all-phrases] index all phrases
1283\\[reftex-index-remaining-phrases] index current and following phrases
1284\\[reftex-index-region-phrases] index the phrases in the region
1285
1286You can sort the phrases in this buffer with \\[reftex-index-sort-phrases].
1287To display information about the phrase at point, use \\[reftex-index-phrases-info].
1288
1289For more information see the RefTeX User Manual.
1290
1291Here are all local bindings.
1292
1293\\{reftex-index-phrases-map}"
1294 (interactive)
1295 (kill-all-local-variables)
1296 (setq major-mode 'reftex-index-phrases-mode
1297 mode-name "Phrases")
1298 (use-local-map reftex-index-phrases-map)
1299 (set (make-local-variable 'font-lock-defaults)
1300 reftex-index-phrases-font-lock-defaults)
1301 (easy-menu-add reftex-index-phrases-menu reftex-index-phrases-map)
1302 (set (make-local-variable 'reftex-index-phrases-marker) (make-marker))
1303 (run-hooks 'reftex-index-phrases-mode-hook))
1304(add-hook 'reftex-index-phrases-mode-hook 'turn-on-font-lock)
1305
1306;; Font Locking stuff
1307(let ((ss (if (featurep 'xemacs) 'secondary-selection ''secondary-selection)))
1308 (setq reftex-index-phrases-font-lock-keywords
1309 (list
1310 (cons reftex-index-phrases-comment-regexp 'font-lock-comment-face)
1311 (list reftex-index-phrases-macrodef-regexp
1312 '(1 font-lock-type-face)
1313 '(2 font-lock-keyword-face)
1314 (list 3 ss)
1315 '(4 font-lock-function-name-face)
1316 (list 5 ss)
1317 '(6 font-lock-string-face))
1318 (list reftex-index-phrases-phrase-regexp1
1319 '(1 font-lock-keyword-face)
1320 (list 2 ss)
1321 '(3 font-lock-string-face)
1322 (list 4 ss))
1323 (list reftex-index-phrases-phrase-regexp2
1324 '(1 font-lock-keyword-face)
1325 (list 2 ss)
1326 '(3 font-lock-string-face)
1327 (list 4 ss)
1328 '(5 font-lock-function-name-face))
1329 (cons "^\t$" ss)))
1330 (setq reftex-index-phrases-font-lock-defaults
1331 '((reftex-index-phrases-font-lock-keywords)
1332 nil t nil beginning-of-line))
1333 (put 'reftex-index-phrases-mode 'font-lock-defaults
1334 reftex-index-phrases-font-lock-defaults) ; XEmacs
1335 )
1336
1337(defvar reftex-index-phrases-marker)
1338(defun reftex-index-next-phrase (&optional arg)
1339 "Index the next ARG phrases in the phrases buffer."
1340 (interactive "p")
1341 (reftex-index-phrases-parse-header t)
1342 (while (> arg 0)
1343 (decf arg)
1344 (end-of-line)
1345 (if (re-search-forward reftex-index-phrases-phrase-regexp12 nil t)
1346 (progn
1347 (goto-char (match-beginning 0))
1348 (reftex-index-this-phrase))
1349 (error "No more phrase lines after point"))))
1350
1351(defun reftex-index-this-phrase ()
1352 "Index the phrase in the current line.
1353Does a global search and replace in the entire document. At each
1354match, the user will be asked to confirm the replacement."
1355 (interactive)
1356 (if (interactive-p) (reftex-index-phrases-parse-header t))
1357 (save-excursion
1358 (beginning-of-line)
1359 (cond ((looking-at reftex-index-phrases-comment-regexp)
1360 (if (interactive-p) (error "Comment line")))
1361 ((looking-at "^[ \t]*$")
1362 (if (interactive-p) (error "Empty line")))
1363 ((looking-at reftex-index-phrases-macrodef-regexp)
1364 (if (interactive-p) (error "Macro definition line")))
1365 ((looking-at reftex-index-phrases-phrase-regexp12)
1366 ;; This is a phrase
1367 (let* ((char (if (not (equal (match-string 1) ""))
1368 (string-to-char (match-string 1))))
1369 (phrase (match-string 3))
1370 (index-key (match-string 6))
1371 (macro-data (cdr (if (null char)
1372 (car reftex-index-phrases-macro-data)
1373 (assoc char reftex-index-phrases-macro-data))))
1374 (macro-fmt (car macro-data))
1375 (repeat (nth 1 macro-data))
1376 (files
1377 (cond ((and (stringp reftex-index-phrases-restrict-file)
1378 (file-regular-p reftex-index-phrases-restrict-file))
1379 (list reftex-index-phrases-restrict-file))
1380 ((stringp reftex-index-phrases-restrict-file)
1381 (error "Illegal restriction file %s"
1382 reftex-index-phrases-restrict-file))
1383 (t reftex-index-phrases-files)))
1384 (as-words reftex-index-phrases-search-whole-words))
1385 (unless macro-data
1386 (error "No macro associated with key %c" char))
1387 (unwind-protect
1388 (let ((overlay-arrow-string "=>")
1389 (overlay-arrow-position
1390 reftex-index-phrases-marker)
1391 (replace-count 0))
1392 ;; Show the overlay arrow
1393 (move-marker reftex-index-phrases-marker
1394 (match-beginning 0) (current-buffer))
1395 ;; Start the query-replace
1396 (reftex-query-index-phrase-globally
1397 files phrase macro-fmt
1398 index-key repeat as-words)
1399 (message "%s replaced"
1400 (reftex-number replace-count "occurrence"))))))
1401 (t (error "Cannot parse this line")))))
1402
1403(defun reftex-index-all-phrases ()
1404 "Index all phrases in the phrases buffer.
1405Calls `reftex-index-this-phrase' on each line in the buffer."
1406 (interactive)
1407 (reftex-index-region-phrases (point-min) (point-max)))
1408
1409(defun reftex-index-remaining-phrases ()
1410 "Index all phrases in the phrases buffer.
1411Calls `reftex-index-this-phrase' on each line ay and below point in
1412the buffer."
1413 (interactive)
1414 (beginning-of-line)
1415 (reftex-index-region-phrases (point) (point-max)))
1416
1417(defun reftex-index-region-phrases (beg end)
1418 "Index all phrases in the phrases buffer.
1419Calls `reftex-index-this-phrase' on each line in the region."
1420 (interactive "r")
1421 (reftex-index-phrases-parse-header t)
1422 (goto-char beg)
1423 (while (not (or (eobp)
1424 (>= (point) end)))
1425 (save-excursion (reftex-index-this-phrase))
1426 (beginning-of-line 2)))
1427
1428(defun reftex-index-phrases-parse-header (&optional get-files)
1429 "Parse the header of a phrases file to extract the macro definitions.
1430The definitions get stored in `reftex-index-phrases-macro-data'.
1431Also switches to the LaTeX document to find out which files belong to
1432the document and stores the list in `reftex-index-phrases-files'."
1433 (let* ((master (reftex-index-phrase-tex-master))
1434 buf)
1435 (if get-files
1436 ;; Get the file list
1437 (save-excursion
1438 (setq buf (reftex-get-file-buffer-force master))
1439 (unless buf (error "Master file %s not found" master))
1440 (set-buffer buf)
1441 (reftex-access-scan-info)
1442 (setq reftex-index-phrases-files
1443 (reftex-all-document-files))))
1444 ;; Parse the files header for macro definitions
1445 (setq reftex-index-phrases-macro-data nil)
1446 (save-excursion
1447 (goto-char (point-min))
1448 (while (re-search-forward reftex-index-phrases-macrodef-regexp nil t)
1449 (push (list
1450 (string-to-char (match-string 2))
1451 (match-string 4)
1452 (equal (match-string 6) "t"))
1453 reftex-index-phrases-macro-data))
1454 ;; Reverse the list, so that the first macro is first
1455 (if (null reftex-index-phrases-macro-data)
9f286482 1456 (error "No valid MACRO DEFINITION line in %s file (make sure to use TAB separators)" reftex-index-phrase-file-extension))
7c4d13cc
CD
1457 (setq reftex-index-phrases-macro-data
1458 (nreverse reftex-index-phrases-macro-data))
1459 (goto-char (point-min)))))
1460
1461(defun reftex-index-phrases-apply-to-region (beg end)
1462 "Index all index phrases in the current region.
1463This works exactly like global indexing from the index phrases buffer,
1464but operation is restricted to the current region. This is useful if
1465you need to add/change text in an already indexed document and want to
1466index the new part without having to go over the unchanged parts again."
1467 (interactive "r")
1468 (let ((win-conf (current-window-configuration))
1469 (reftex-index-phrases-restrict-file (buffer-file-name)))
1470 (save-excursion
1471 (save-restriction
1472 (narrow-to-region beg end)
1473 (unwind-protect
1474 (progn
1475 ;; Hide the region highlighting
1476 (cond ((fboundp 'zmacs-deactivate-region) (zmacs-deactivate-region))
1477 ((fboundp 'deactivate-mark) (deactivate-mark)))
1478 (delete-other-windows)
1479 (reftex-index-visit-phrases-buffer)
1480 (reftex-index-all-phrases))
1481 (set-window-configuration win-conf))))))
1482
1483(defun reftex-index-new-phrase (&optional text)
1484 "Open a new line in the phrases buffer, insert TEXT."
1485 (interactive)
1486 (if (and text (stringp text))
1487 (progn
1488 ;; Check if the phrase is already in the buffer
1489 (setq text (reftex-index-simplify-phrase text))
1490 (goto-char (point-min))
1491 (if (re-search-forward
1492 (concat "^\\(\\S-*\\)\t\\(" (regexp-quote text)
1493 "\\) *[\t\n]") nil t)
1494 (progn
1495 (goto-char (match-end 2))
1496 (error "Phrase is already in phrases buffer")))))
1497 ;; Add the new phrase line after the last in the buffer
1498 (goto-char (point-max))
1499 (if (re-search-backward reftex-index-phrases-phrase-regexp12 nil t)
1500 (end-of-line))
1501 (if (not (bolp))
1502 (insert "\n"))
1503 (insert "\t")
1504 (if (and text (stringp text))
1505 (insert text)))
1506
1507(defun reftex-index-find-next-conflict-phrase (&optional arg)
1508 "Find the next a phrase which is has conflicts in the phrase buffer.
1509The command helps to find possible conflicts in the phrase indexing process.
1510It searches downward from point for a phrase which is repeated elsewhere
1511in the buffer, or which is a subphrase of another phrase. If such a
1512phrase is found, the phrase info is displayed.
1513To check the whole buffer, start at the beginning and continue by calling
1514this function repeatedly."
1515 (interactive "P")
1516 (if (catch 'exit
1517 (while (re-search-forward reftex-index-phrases-phrase-regexp12 nil t)
1518 (goto-char (match-beginning 3))
1519 (let* ((phrase (match-string 3))
1520 (case-fold-search reftex-index-phrases-case-fold-search)
1521 (re (reftex-index-phrases-find-dup-re phrase t)))
1522 (if (save-excursion
1523 (goto-char (point-min))
1524 (and (re-search-forward re nil t)
1525 (re-search-forward re nil t)))
1526 (throw 'exit t)))))
1527 (progn
1528 (reftex-index-phrases-info)
1529 (message "Phrase with match conflict discovered"))
1530 (goto-char (point-max))
1531 (error "No further problematic phrases found")))
1532
1533(defun reftex-index-phrases-info ()
1534 "Display information about the phrase at point."
1535 (interactive)
1536 (save-excursion
1537 (beginning-of-line)
1538 (unless (looking-at reftex-index-phrases-phrase-regexp12)
1539 (error "Not a phrase line"))
1540 (save-match-data (reftex-index-phrases-parse-header t))
1541 (let* ((char (if (not (equal (match-string 1) ""))
1542 (string-to-char (match-string 1))))
1543 (phrase (match-string 3))
1544 (index-key (match-string 6))
1545 (index-keys (split-string
1546 (or index-key phrase)
1547 reftex-index-phrases-logical-or-regexp))
1548 (macro-data (cdr (if (null char)
1549 (car reftex-index-phrases-macro-data)
1550 (assoc char reftex-index-phrases-macro-data))))
1551 (macro-fmt (car macro-data))
1552 (repeat (nth 1 macro-data))
1553 (as-words reftex-index-phrases-search-whole-words)
1554 (example (reftex-index-make-replace-string
1555 macro-fmt (downcase phrase) (car index-keys) repeat))
1556 (re (reftex-index-make-phrase-regexp phrase as-words t))
1557 (re1 (reftex-index-phrases-find-dup-re phrase))
1558 (re2 (reftex-index-phrases-find-dup-re phrase 'sub))
1559 superphrases
1560 (nmatches 0)
1561 (ntimes1 0)
1562 (ntimes2 0)
1563 (case-fold-search reftex-index-phrases-case-fold-search)
1564 file files buf)
1565 (setq files reftex-index-phrases-files)
1566 (save-excursion
1567 (save-restriction
1568 (widen)
1569 (goto-char (point-min))
1570 (while (re-search-forward re1 nil t)
1571 (incf ntimes1))
1572 (goto-char (point-min))
1573 (while (re-search-forward re2 nil t)
1574 (push (cons (count-lines 1 (point)) (match-string 1)) superphrases)
1575 (incf ntimes2))))
1576 (save-excursion
1577 (while (setq file (pop files))
1578 (setq buf (reftex-get-file-buffer-force file))
1579 (when buf
1580 (set-buffer buf)
1581 (save-excursion
1582 (save-restriction
1583 (widen)
1584 (goto-char (point-min))
1585 (let ((case-fold-search reftex-index-phrases-case-fold-search))
1586 (while (re-search-forward re nil t)
1587 (or (reftex-in-comment)
1588 (incf nmatches)))))))))
1589 (with-output-to-temp-buffer "*Help*"
1590 (princ (format " Phrase: %s\n" phrase))
1591 (princ (format " Macro key: %s\n" char))
1592 (princ (format " Macro format: %s\n" macro-fmt))
1593 (princ (format " Repeat: %s\n" repeat))
1594 (cond
1595 (index-key
1596 (let ((iks index-keys) (cnt 0) ik)
1597 (while (setq ik (pop iks))
1598 (princ (format "Index entry %d: %s\n" (incf cnt) ik)))))
1599 (repeat
1600 (princ (format " Index entry: %s\n" phrase)))
1601 (t
1602 (princ (format " Index key: <<Given by the match>>\n"))))
1603 (princ (format " Example: %s\n" example))
1604 (terpri)
1605 (princ (format "Total matches: %s in %s\n"
1606 (reftex-number nmatches "match" "es")
1607 (reftex-number (length reftex-index-phrases-files)
1608 "LaTeX file")))
1609 (princ (format " Uniqueness: Phrase occurs %s in phrase buffer\n"
1610 (reftex-number ntimes1 "time")))
1611 (if (> ntimes2 1)
1612 (progn
1613 (princ (format " Superphrases: Phrase matches the following %s in the phrase buffer:\n"
1614 (reftex-number ntimes2 "line")))
1615 (mapcar (lambda(x)
1616 (princ (format " Line %4d: %s\n" (car x) (cdr x))))
1617 (nreverse superphrases))))))))
1618
1619(defun reftex-index-phrases-set-macro-key ()
1620 "Change the macro key for the current line.
1621Prompts for a macro key and insert is at the beginning of the line.
1622If you reply with SPACE, the macro keyn will be removed, so that the
1623default macro will be used. If you reply with `RET', just prints
1624information about the currently selected macro."
1625 (interactive)
1626 (reftex-index-phrases-parse-header)
1627 (save-excursion
1628 (beginning-of-line)
1629 (unless (or (looking-at reftex-index-phrases-phrase-regexp12)
1630 (looking-at "\t"))
1631 (error "This is not a phrase line"))
1632 (let* ((nc (reftex-index-select-phrases-macro 0))
1633 (macro-data (assoc nc reftex-index-phrases-macro-data))
1634 macro-fmt repeat)
1635 (cond (macro-data)
1636 ((equal nc ?\ )
1637 (setq nc ""
1638 macro-data (car reftex-index-phrases-macro-data)))
1639 ((equal nc ?\C-m)
1640 (setq nc (char-after (point)))
1641 (if (equal nc ?\t)
1642 (setq nc ""
1643 macro-data (car reftex-index-phrases-macro-data))
1644 (setq macro-data (assoc nc reftex-index-phrases-macro-data))))
1645 (t (error "No macro associated with %c" nc)))
1646
1647 (setq macro-fmt (nth 1 macro-data)
1648 repeat (nth 2 macro-data))
1649 (if macro-data
1650 (progn
1651 (if (looking-at "[^\t]") (delete-char 1))
1652 (insert nc)
1653 (message "Line will use %s %s repeat" macro-fmt
1654 (if repeat "with" "without")))
1655 (error "Abort")))))
1656
1657(defun reftex-index-sort-phrases (&optional chars-first)
1658 "Sort the phrases lines in the buffer alphabetically.
1659Normally, this looks only at the phrases. With a prefix arg CHARS-FIRST,
1660it first compares the macro identifying chars and then the phrases."
1661 (interactive "P")
1662 ;; Remember the current line, so that we can return
1663 (let ((line (buffer-substring (progn (beginning-of-line) (point))
1664 (progn (end-of-line) (point))))
1665 beg end)
1666 (goto-char (point-min))
1667 ;; Find first and last phrase line in buffer
1668 (setq beg
1669 (and (re-search-forward reftex-index-phrases-phrase-regexp12 nil t)
1670 (match-beginning 0)))
1671 (goto-char (point-max))
1672 (setq end (re-search-backward reftex-index-phrases-phrase-regexp12 nil t))
1673 (if end (setq end (progn (goto-char end) (end-of-line) (point))))
1674 ;; Take the lines, sort them and re-insert.
1675 (if (and beg end)
1676 (progn
1677 (message "Sorting lines...")
1678 (let* ((lines (split-string (buffer-substring beg end) "\n"))
1679 (lines1 (sort lines 'reftex-compare-phrase-lines)))
1680 (message "Sorting lines...done")
1681 (let ((inhibit-quit t)) ;; make sure we do not loose lines
1682 (delete-region beg end)
1683 (insert (mapconcat 'identity lines1 "\n"))))
1684 (goto-char (point-max))
1685 (re-search-backward (concat "^" (regexp-quote line) "$") nil t))
1686 (error "Cannot find phrases lines to sort"))))
1687
1688(defvar chars-first)
1689(defun reftex-compare-phrase-lines (a b)
1690 "The comparison function used for sorting."
1691 (let (ca cb pa pb c-p p-p)
1692 (if (string-match reftex-index-phrases-phrase-regexp12 a)
1693 (progn
1694 ;; Extract macro char and phrase-or-key for a
1695 (setq ca (match-string 1 a)
1696 pa (downcase
1697 (or (and reftex-index-phrases-sort-prefers-entry
1698 (match-string 6 a))
1699 (match-string 3 a))))
1700 (if (string-match reftex-index-phrases-phrase-regexp12 b)
1701 (progn
1702 ;; Extract macro char and phrase-or-key for b
1703 (setq cb (match-string 1 b)
1704 pb (downcase
1705 (or (and reftex-index-phrases-sort-prefers-entry
1706 (match-string 6 b))
1707 (match-string 3 b))))
1708 (setq c-p (string< ca cb)
1709 p-p (string< pa pb))
1710 ;; Do the right comparison, based on the value of `chars-first'
1711 ;; `chars-first' is bound locally in the calling function
1712 (if chars-first
1713 (if (string= ca cb) p-p c-p)
1714 (if (string= pa pb) c-p p-p)))))
1715 ;; If line a does not match, the answer we return determines
1716 ;; if non-matching lines are collected at the beginning.
1717 ;; When we return t here, non-matching lines form
1718 ;; block separators for searches.
1719 (not reftex-index-phrases-sort-in-blocks))))
1720
1721(defvar reftex-index-phrases-menu)
1722(defun reftex-index-make-phrase-regexp (phrase &optional
1723 as-words allow-newline)
1724 "Return a regexp matching PHRASE, even if distributed over lines.
1725With optional arg AS-WORDS, require word boundary at beginning and end.
1726With optional arg ALLOW-NEWLINE, allow single newline between words."
1727 (let* ((words (split-string phrase))
1728 (space-re (if allow-newline
1729 "\\([ \t]*\\(\n[ \t]*\\)?\\|[ \t]\\)"
1730 "\\([ \t]+\\)")))
1731 (concat (if (and as-words (string-match "\\`\\w" (car words)))
1732 "\\<" "")
1733 (mapconcat (lambda (w) (regexp-quote (downcase w)))
1734 words space-re)
1735 (if (and as-words
1736 (string-match "\\w\\'" (nth (1- (length words)) words)))
1737 "\\>" ""))))
1738
1739(defun reftex-index-simplify-phrase (phrase)
1740 "Make phrase single spaces and single line."
1741 (mapconcat 'identity (split-string phrase) " "))
1742
1743(defun reftex-index-phrases-find-dup-re (phrase &optional sub)
1744 "Return a regexp which matches variations of PHRASE (with additional space).
1745When SUB ins non-nil, the regexp will also match when PHRASE is a subphrase
1746of another phrase. The regexp works lonly in the phrase buffer."
1747 (concat (if sub "^\\S-?\t\\([^\t\n]*" "^\\S-?\t")
1748 (mapconcat 'regexp-quote (split-string phrase) " +")
1749 (if sub "[^\t\n]*\\)\\([\t\n]\\|$\\)" " *\\([\t\n]\\|$\\)")))
1750
1751(defun reftex-index-make-replace-string (macro-fmt match index-key
1752 &optional repeat mathp)
1753 "Return the string which can be used as replacement.
1754Treats the logical `and' for index phrases."
1755 (let ((index-keys (split-string (or index-key match)
1756 reftex-index-phrases-logical-and-regexp)))
1757 (concat
1758 (mapconcat (lambda (x)
1759 (format macro-fmt
1760 (format (if mathp reftex-index-math-format "%s") x)))
1761 index-keys "")
1762 (if repeat (reftex-index-simplify-phrase match) ""))))
1763
1764(defun reftex-query-index-phrase-globally (files &rest args)
1765 "Call `reftex-query-index-phrase' for all files in FILES."
1766 (let ((win-conf (current-window-configuration))
1767 (file))
1768 (unless files (error "No files"))
1769 (unwind-protect
1770 (progn
1771 (switch-to-buffer-other-window (reftex-get-file-buffer-force
1772 (car files)))
1773 (catch 'no-more-files
1774 (while (setq file (pop files))
1775 (switch-to-buffer (reftex-get-file-buffer-force file))
1776 (save-excursion
1777 (save-restriction
1778 (unless (stringp reftex-index-phrases-restrict-file)
1779 (widen))
1780 (goto-char (point-min))
1781 (apply 'reftex-query-index-phrase args))))))
1782 (reftex-unhighlight 0)
1783 (set-window-configuration win-conf))))
1784
1785(defconst reftex-index-phrases-help
1786 " Keys for query-index search
1787 ===========================
1788y Replace this match
1789n Skip this match
1790! Replace this and all further matches in this file
1791q / Q Skip match, start next file / start next phrase
1792o Use a different indexing macro for this match
17931 - 9 Select one of the multiple phrases
1794e Edit the replacement text
1795C-r Recursive edit.
1796s / S Save this buffer / Save all document buffers
1797C-g Abort"
1798 "The help string for indexing phrases.")
1799
1800(defvar replace-count)
1801(defun reftex-query-index-phrase (phrase macro-fmt &optional
1802 index-key repeat as-words)
1803 "Search through buffer for PHRASE, and offer to replace it with an indexed
1804version. The index version is derived by applying `format' with MACRO-FMT
1805to INDEX-KEY or PHRASE. When REPEAT is non-nil, the PHRASE is inserted
1806again after the macro.
1807AS-WORDS means, the search for PHRASE should require word boundaries at
1808both ends."
1809 (let* ((re (reftex-index-make-phrase-regexp phrase as-words 'allow-newline))
1810 (case-fold-search reftex-index-phrases-case-fold-search)
1811 (index-keys (split-string
1812 (or index-key phrase)
1813 reftex-index-phrases-logical-or-regexp))
1814 (nkeys (length index-keys))
1815 (ckey (nth 0 index-keys))
1816 (all-yes nil)
1817 match rpl char beg end mathp)
1818 (unwind-protect
1819 (while (re-search-forward re nil t)
1820 (catch 'next-match
1821 (setq match (match-string 0))
1822 (setq mathp
1823 (save-match-data
1824 (condition-case nil (texmathp) (error nil))))
1825 (setq beg (car (match-data))
1826 end (nth 1 (match-data)))
1827 (if (and reftex-index-phrases-skip-indexed-matches
1828 (save-match-data
1829 (reftex-index-phrase-match-is-indexed beg
1830 end)))
1831 (throw 'next-match nil))
1832 (reftex-highlight 0 (match-beginning 0) (match-end 0))
1833 (setq rpl
1834 (save-match-data
1835 (reftex-index-make-replace-string
1836 macro-fmt (match-string 0) ckey repeat mathp)))
1837 (while
1838 (not
1839 (catch 'loop
1840 (message "REPLACE: %s? (yn!qoe%s?)"
1841 rpl
1842 (if (> nkeys 1)
1843 (concat "1-" (int-to-string nkeys))
1844 ""))
1845 (setq char (if all-yes ?y (read-char-exclusive)))
1846 (cond ((member char '(?y ?Y ?\ ))
1847 ;; Yes!
1848 (replace-match rpl t t)
1849 (incf replace-count)
1850 ;; See if we should insert newlines to shorten lines
1851 (and reftex-index-phrases-wrap-long-lines
1852 (reftex-index-phrases-fixup-line beg end))
1853 (throw 'loop t))
1854 ((member char '(?n ?N ?\C-h ?\C-?));; FIXME: DEL
1855 ;; No
1856 (throw 'loop t))
1857 ((equal char ?!)
1858 ;; Yes for all in this buffer
1859 (setq all-yes t))
1860 ((equal char ?q)
1861 ;; Stop this one in this file
1862 (goto-char (point-max))
1863 (throw 'loop t))
1864 ((equal char ?Q)
1865 ;; Stop this one
1866 (throw 'no-more-files t))
1867 ((equal char ?s)
1868 (save-buffer))
1869 ((equal char ?S)
1870 (reftex-save-all-document-buffers))
1871 ((equal char ?\C-g)
1872 (keyboard-quit))
1873 ((member char '(?o ?O))
1874 ;; Select a differnt macro
1875 (let* ((nc (reftex-index-select-phrases-macro 2))
1876 (macro-data
1877 (cdr (assoc nc reftex-index-phrases-macro-data)))
1878 (macro-fmt (car macro-data))
1879 (repeat (nth 1 macro-data)))
1880 (if macro-data
1881 (setq rpl (save-match-data
1882 (reftex-index-make-replace-string
1883 macro-fmt match
1884 ckey repeat mathp)))
1885 (ding))))
1886 ((equal char ?\?)
1887 ;; Help
1888 (with-output-to-temp-buffer "*Help*"
1889 (princ reftex-index-phrases-help)))
1890 ((equal char ?\C-r)
1891 ;; Recursive edit
1892 (save-match-data
1893 (save-excursion
1894 (message
1895 (substitute-command-keys
1896 "Recursive edit. Resume with \\[exit-recursive-edit]"))
1897 (recursive-edit))))
1898 ((equal char ?e)
1899 (setq rpl (read-string "Edit: " rpl)))
1900 ((equal char ?0)
1901 (setq ckey (or index-key phrase)
1902 rpl (save-match-data
1903 (reftex-index-make-replace-string
1904 macro-fmt match ckey repeat mathp))))
1905 ((and (> char ?0)
1906 (<= char (+ ?0 nkeys)))
1907 (setq ckey (nth (1- (- char ?0)) index-keys)
1908 rpl (save-match-data
1909 (reftex-index-make-replace-string
1910 macro-fmt match ckey repeat mathp))))
1911 (t (ding)))
1912 nil)))))
1913 (message "")
1914 (setq all-yes nil)
1915 (reftex-unhighlight 0))))
1916
1917(defun reftex-index-phrase-match-is-indexed (beg end)
1918 (save-excursion
1919 (goto-char end)
1920 (let* ((this-macro (car (reftex-what-macro 1)))
1921 (before-char (char-before beg))
1922 (after-char (char-after end))
1923 (before-macro
1924 (and (> beg 2)
1925 (goto-char (1- beg))
1926 (memq (char-after (point)) '(?\] ?\}))
1927 (car (reftex-what-macro 1))))
1928 (after-macro
1929 (and (goto-char end)
1930 (looking-at "\\(\\\\[a-zA-Z]+\\*?\\)[[{]")
1931 (match-string 1))))
1932 (or (and this-macro
1933 (member before-char '(?\{ ?\[))
1934 (member after-char '(?\} ?\]))
1935 (member this-macro reftex-macros-with-index))
1936 (and before-macro
1937 (member before-macro reftex-macros-with-index))
1938 (and after-macro
1939 (member after-macro reftex-macros-with-index))))))
1940
1941
1942(defun reftex-index-phrases-fixup-line (beg end)
1943 "Insert newlines before BEG and/or after END to shorten line."
1944 (let (bol eol space1 space2)
1945 (save-excursion
1946 ;; Find line boundaries and possible line breaks near BEG and END
1947 (beginning-of-line)
1948 (setq bol (point))
1949 (end-of-line)
1950 (setq eol (point))
1951 (goto-char beg)
1952 (skip-chars-backward "^ \n")
1953 (if (and (equal (preceding-char) ?\ )
1954 (string-match "\\S-" (buffer-substring bol (point))))
1955 (setq space1 (1- (point))))
1956 (goto-char end)
1957 (skip-chars-forward "^ \n")
1958 (if (and (equal (following-char) ?\ )
1959 (string-match "\\S-" (buffer-substring (point) eol)))
1960 (setq space2 (point)))
1961 ;; Now check what we have and insert the newlines
1962 (if (<= (- eol bol) fill-column)
1963 ;; Line is already short
1964 nil
1965 (cond
1966 ((and (not space1) (not space2))) ; No spaces available
1967 ((not space2) ; Do space1
1968 (reftex-index-phrases-replace-space space1))
1969 ((not space1) ; Do space2
1970 (reftex-index-phrases-replace-space space2))
1971 (t ; We have both spaces
1972 (let ((l1 (- space1 bol))
1973 (l2 (- space2 space1))
1974 (l3 (- eol space2)))
1975 (if (> l2 fill-column)
1976 ;; The central part alone is more than one line
1977 (progn
1978 (reftex-index-phrases-replace-space space1)
1979 (reftex-index-phrases-replace-space space2))
1980 (if (> (+ l1 l2) fill-column)
1981 ;; Need to split beginning
1982 (reftex-index-phrases-replace-space space1))
1983 (if (> (+ l2 l3) fill-column)
1984 ;; Need to split end
1985 (reftex-index-phrases-replace-space space2))))))))))
1986
1987(defun reftex-index-phrases-replace-space (pos)
1988 "If there is a space at POS, replace it with a newline char.
1989Does not do a save-excursion."
1990 (when (equal (char-after pos) ?\ )
1991 (goto-char pos)
1992 (delete-char 1)
1993 (insert "\n")))
1994
1995(defun reftex-index-select-phrases-macro (&optional delay)
1996 "Offer a list of possible index macros and have the user select one."
1997 (let* ((prompt (concat "Select macro: ["
1998 (mapconcat (lambda (x) (char-to-string (car x)))
1999 reftex-index-phrases-macro-data "")
2000 "] "))
2001 (help (concat "Select an indexing macro\n========================\n"
2002 (mapconcat (lambda (x)
2003 (format " [%c] %s"
2004 (car x) (nth 1 x)))
2005 reftex-index-phrases-macro-data "\n"))))
2006 (reftex-select-with-char prompt help delay)))
2007
2008;; Keybindings and Menu for phrases buffer
2009
2010(loop for x in
2011 '(("\C-c\C-c" . reftex-index-phrases-save-and-return)
2012 ("\C-c\C-x" . reftex-index-this-phrase)
2013 ("\C-c\C-f" . reftex-index-next-phrase)
2014 ("\C-c\C-r" . reftex-index-region-phrases)
2015 ("\C-c\C-a" . reftex-index-all-phrases)
2016 ("\C-c\C-d" . reftex-index-remaining-phrases)
2017 ("\C-c\C-s" . reftex-index-sort-phrases)
2018 ("\C-c\C-n" . reftex-index-new-phrase)
2019 ("\C-c\C-m" . reftex-index-phrases-set-macro-key)
2020 ("\C-c\C-i" . reftex-index-phrases-info)
2021 ("\C-c\C-t" . reftex-index-find-next-conflict-phrase)
2022 ("\C-i" . self-insert-command))
2023 do (define-key reftex-index-phrases-map (car x) (cdr x)))
2024
2025(easy-menu-define
2026 reftex-index-phrases-menu reftex-index-phrases-map
2027 "Menu for Phrases buffer"
2028 '("Phrases"
2029 ["New Phrase" reftex-index-new-phrase t]
2030 ["Set Phrase Macro" reftex-index-phrases-set-macro-key t]
2031 ["Recreate File Header" reftex-index-initialize-phrases-buffer t]
2032 "--"
2033 ("Sort Phrases"
2034 ["Sort" reftex-index-sort-phrases t]
2035 "--"
2036 "Sort Options"
2037 ["by Search Phrase" (setq reftex-index-phrases-sort-prefers-entry nil)
2038 :style radio :selected (not reftex-index-phrases-sort-prefers-entry)]
2039 ["by Index Entry" (setq reftex-index-phrases-sort-prefers-entry t)
2040 :style radio :selected reftex-index-phrases-sort-prefers-entry]
2041 ["in Blocks" (setq reftex-index-phrases-sort-in-blocks
2042 (not reftex-index-phrases-sort-in-blocks))
2043 :style toggle :selected reftex-index-phrases-sort-in-blocks])
2044 ["Describe Phrase" reftex-index-phrases-info t]
2045 ["Next Phrase Conflict" reftex-index-find-next-conflict-phrase t]
2046 "--"
2047 ("Find and Index in Document"
2048 ["Current Phrase" reftex-index-this-phrase t]
2049 ["Next Phrase" reftex-index-next-phrase t]
2050 ["Current and Following" reftex-index-remaining-phrases t]
2051 ["Region Phrases" reftex-index-region-phrases t]
2052 ["All Phrases" reftex-index-all-phrases t]
2053 "--"
2054 "Options"
2055 ["Match Whole Words" (setq reftex-index-phrases-search-whole-words
2056 (not reftex-index-phrases-search-whole-words))
2057 :style toggle :selected reftex-index-phrases-search-whole-words]
2058 ["Case Sensitive Search" (setq reftex-index-phrases-case-fold-search
2059 (not reftex-index-phrases-case-fold-search))
2060 :style toggle :selected (not
2061 reftex-index-phrases-case-fold-search)]
2062 ["Wrap Long Lines" (setq reftex-index-phrases-wrap-long-lines
2063 (not reftex-index-phrases-wrap-long-lines))
2064 :style toggle :selected reftex-index-phrases-wrap-long-lines]
2065 ["Skip Indexed Matches" (setq reftex-index-phrases-skip-indexed-matches
2066 (not reftex-index-phrases-skip-indexed-matches))
2067 :style toggle :selected reftex-index-phrases-skip-indexed-matches])
2068 "--"
2069 ["Save and Return" reftex-index-phrases-save-and-return t]))
2070
2071
1a9461d0 2072;;; reftex-index.el ends here