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[bpt/emacs.git] / lisp / textmodes / reftex-index.el
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3afbc435 1;;; reftex-index.el --- index support with RefTeX
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2
3;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
ae940284 4;; 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
3ba2590f 5
6fbeb429 6;; Author: Carsten Dominik <dominik@science.uva.nl>
ce545621 7;; Maintainer: auctex-devel@gnu.org
5d2a58e0 8;; Version: 4.31
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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
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14;; the Free Software Foundation, either version 3 of the License, or
15;; (at your option) any later version.
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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
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25;;; Commentary:
26
27;;; Code:
28
7c4d13cc 29(eval-when-compile (require 'cl))
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30(provide 'reftex-index)
31(require 'reftex)
32;;;
33
3b919c9f 34;; START remove for XEmacs release
1a9461d0 35(defvar mark-active)
48ffe14f 36(defvar transient-mark-mode)
7b07114a 37(defvar TeX-master)
3b919c9f 38;; END remove for XEmacs release
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39
40(declare-function texmathp "ext:texmathp" ())
41
7c4d13cc 42(defun reftex-index-selection-or-word (&optional arg phrase)
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43 "Put selection or the word near point into the default index macro.
44This uses the information in `reftex-index-default-macro' to make an index
45entry. The phrase indexed is the current selection or the word near point.
46When called with one `C-u' prefix, let the user have a chance to edit the
47index entry. When called with 2 `C-u' as prefix, also ask for the index
48macro and other stuff.
49When called inside TeX math mode as determined by the `texmathp.el' library
50which is part of AUCTeX, the string is first processed with the
51`reftex-index-math-format', which see."
52 (interactive "P")
53 (let* ((use-default (not (equal arg '(16)))) ; check for double prefix
3666daf6 54 ;; check if we have an active selection
4ea0e84a 55 (active (if (featurep 'xemacs)
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56 (and zmacs-regions (region-exists-p)) ; XEmacs
57 (and transient-mark-mode mark-active))) ; Emacs
49275d55 58 (beg (if active
3666daf6 59 (region-beginning)
49275d55 60 (save-excursion
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61 (skip-syntax-backward "w\\") (point))))
62 (end (if active
63 (region-end)
49275d55 64 (save-excursion
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65 (skip-syntax-forward "w\\") (point))))
66 (sel (buffer-substring beg end))
67 (mathp (condition-case nil (texmathp) (error nil)))
68 (current-prefix-arg nil) ; we want to call reftex-index without prefix.
69 key def-char def-tag full-entry)
1a9461d0 70
7c4d13cc 71 (if phrase
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72 (progn
73 (reftex-index-visit-phrases-buffer)
74 (reftex-index-new-phrase sel))
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75
76 (if (equal sel "")
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77 ;; Nothing selected, no word, so use full reftex-index command
78 (reftex-index)
79 ;; OK, we have something to index here.
80 ;; Add the dollars when necessary
81 (setq key (if mathp
82 (format reftex-index-math-format sel)
83 sel))
84 ;; Get info from `reftex-index-default-macro'
85 (setq def-char (if use-default (car reftex-index-default-macro)))
86 (setq def-tag (if use-default (nth 1 reftex-index-default-macro)))
87 ;; Does the user want to edit the entry?
88 (setq full-entry (if arg
89 (reftex-index-complete-key
90 def-tag nil (cons key 0))
91 key))
92 ;; Delete what is in the buffer and make the index entry
93 (delete-region beg end)
94 (reftex-index def-char full-entry def-tag sel)))))
49275d55 95
7c4d13cc 96(defun reftex-index (&optional char key tag sel no-insert)
49275d55 97 "Query for an index macro and insert it along with its arguments.
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98The index macros available are those defined in `reftex-index-macro' or
99by a call to `reftex-add-index-macros', typically from an AUCTeX style file.
100RefteX provides completion for the index tag and the index key, and
101will prompt for other arguments."
102
103 (interactive)
104
105 ;; Ensure access to scanning info
106 (reftex-ensure-index-support t)
107 (reftex-access-scan-info current-prefix-arg)
108
109 ;; Find out which macro we are going to use
110 (let* ((char (or char
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111 (reftex-select-with-char reftex-query-index-macro-prompt
112 reftex-query-index-macro-help)))
113 (macro (nth 1 (assoc char reftex-key-to-index-macro-alist)))
114 (entry (or (assoc macro reftex-index-macro-alist)
115 (error "No index macro associated with %c" char)))
116 (ntag (nth 1 entry))
117 (tag (or tag (nth 1 entry)))
118 (nargs (nth 4 entry))
119 (nindex (nth 5 entry))
120 (opt-args (nth 6 entry))
121 (repeat (nth 7 entry))
122 opt tag1 value)
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123
124 ;; Get the supported arguments
125 (if (stringp tag)
3666daf6 126 (setq tag1 tag)
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127 (setq tag1 (or (reftex-index-complete-tag tag opt-args) "")))
128 (setq key (or key
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129 (reftex-index-complete-key
130 (if (string= tag1 "") "idx" tag1)
131 (member nindex opt-args))))
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132
133 ;; Insert the macro and ask for any additional args
134 (insert macro)
135 (loop for i from 1 to nargs do
136 (setq opt (member i opt-args)
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137 value (cond ((= nindex i) key)
138 ((equal ntag i) tag1)
139 (t (read-string (concat "Macro arg nr. "
140 (int-to-string i)
141 (if opt " (optional)" "")
142 ": ")))))
1a9461d0 143 (unless (and opt (string= value ""))
3666daf6 144 (insert (if opt "[" "{") value (if opt "]" "}"))))
7c4d13cc 145 (and repeat (stringp sel) (insert sel))
1a9461d0 146 (and key reftex-plug-into-AUCTeX (fboundp 'LaTeX-add-index-entries)
3666daf6 147 (LaTeX-add-index-entries key))
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148 (reftex-index-update-taglist tag1)
149 (reftex-notice-new)))
150
151(defun reftex-default-index ()
152 (cond ((null reftex-index-default-tag) nil)
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153 ((stringp reftex-index-default-tag) reftex-index-default-tag)
154 (t (or (get reftex-docstruct-symbol 'default-index-tag)
155 "idx"))))
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156
157(defun reftex-update-default-index (tag &optional tag-list)
158 (if (and (not (equal tag ""))
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159 (stringp tag)
160 (eq reftex-index-default-tag 'last)
161 (or (null tag-list)
162 (member tag tag-list)))
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163 (put reftex-docstruct-symbol 'default-index-tag tag)))
164
165(defun reftex-index-complete-tag (&optional itag opt-args)
166 ;; Ask the user for a tag, completing on known tags.
167 ;; ITAG is the argument number which contains the tag.
168 ;; OPT-ARGS is a list of optional argument indices, as given by
169 ;; `reftex-parse-args'.
170 (let* ((opt (and (integerp itag) (member itag opt-args)))
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171 (index-tags (cdr (assq 'index-tags
172 (symbol-value reftex-docstruct-symbol))))
173 (default (reftex-default-index))
174 (prompt (concat "Index tag"
175 (if (or opt default)
176 (format " (%s): "
177 (concat
178 (if opt "optional" "")
179 (if default
180 (concat (if opt ", " "")
181 (format "default %s" default))
182 "")))
183 ": ")))
184 (tag (completing-read prompt (mapcar 'list index-tags))))
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185 (if (and default (equal tag "")) (setq tag default))
186 (reftex-update-default-index tag)
187 tag))
188
189(defun reftex-index-select-tag ()
190 ;; Have the user select an index tag.
191 ;; FIXME: should we cache tag-alist, prompt and help?
49275d55 192 (let* ((index-tags (cdr (assoc 'index-tags
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193 (symbol-value reftex-docstruct-symbol))))
194 (default (reftex-default-index)))
49275d55 195 (cond
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196 ((null index-tags)
197 (error "No index tags available"))
198
199 ((= (length index-tags) 1)
200 ;; Just one index, use it
201 (car index-tags))
49275d55 202
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203 ((> (length index-tags) 1)
204 ;; Several indices, ask.
205 (let* ((tags (copy-sequence index-tags))
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206 (cnt 0)
207 tag-alist i val len tag prompt help rpl)
208 ;; Move idx and glo up in the list to ensure ?i and ?g shortcuts
209 (if (member "glo" tags)
210 (setq tags (cons "glo" (delete "glo" tags))))
211 (if (member "idx" tags)
212 (setq tags (cons "idx" (delete "idx" tags))))
213 ;; Find unique shortcuts for each index.
214 (while (setq tag (pop tags))
215 (setq len (length tag)
216 i -1
217 val nil)
218 (catch 'exit
219 (while (and (< (incf i) len) (null val))
220 (unless (assq (aref tag i) tag-alist)
221 (push (list (aref tag i)
222 tag
49275d55 223 (concat (substring tag 0 i)
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224 "[" (substring tag i (incf i)) "]"
225 (substring tag i)))
226 tag-alist)
227 (throw 'exit t)))
49275d55 228 (push (list (+ ?0 (incf cnt)) tag
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229 (concat "[" (int-to-string cnt) "]:" tag))
230 tag-alist)))
231 (setq tag-alist (nreverse tag-alist))
232 ;; Compute Prompt and Help strings
233 (setq prompt
234 (concat
235 (format "Select Index%s: "
236 (if default (format " (Default <%s>)" default) ""))
237 (mapconcat (lambda(x) (nth 2 x)) tag-alist " ")))
238 (setq help
239 (concat "Select an Index\n===============\n"
240 (if default
241 (format "[^M] %s (the default)\n" default)
242 "")
49275d55 243 (mapconcat (lambda(x)
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244 (apply 'format "[%c] %s" x))
245 tag-alist "\n")))
246 ;; Query the user for an index-tag
247 (setq rpl (reftex-select-with-char prompt help 3 t))
248 (message "")
249 (if (and default (equal rpl ?\C-m))
250 default
251 (if (assq rpl tag-alist)
252 (progn
253 (reftex-update-default-index (nth 1 (assq rpl tag-alist)))
254 (nth 1 (assq rpl tag-alist)))
255 (error "No index tag associated with %c" rpl)))))
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256 (t (error "This should not happen (reftex-index-select-tag)")))))
257
258(defun reftex-index-complete-key (&optional tag optional initial)
259 ;; Read an index key, with completion.
260 ;; Restrict completion table on index tag TAG.
261 ;; OPTIONAL indicates if the arg is optional.
262 (let* ((table (reftex-sublist-nth
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263 (symbol-value reftex-docstruct-symbol) 6
264 (lambda(x) (and (eq (car x) 'index)
265 (string= (nth 1 x) (or tag ""))))
266 t))
267 (prompt (concat "Index key" (if optional " (optional)" "") ": "))
268 (key (completing-read prompt table nil nil initial)))
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269 key))
270
271(defun reftex-index-update-taglist (newtag)
49275d55 272 ;; add NEWTAG to the list of available index tags.
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273 (let ((cell (assoc 'index-tags (symbol-value reftex-docstruct-symbol))))
274 (and newtag (cdr cell) (not (member newtag (cdr cell)))
3666daf6 275 (push newtag (cdr cell)))))
1a9461d0 276
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277(defvar reftex-index-map (make-sparse-keymap)
278 "Keymap used for *Index* buffers.")
279
280(defvar reftex-index-menu)
281
282(defvar reftex-last-index-file nil
283 "Stores the file name from which `reftex-display-index' was called.")
284(defvar reftex-index-tag nil
285 "Stores the tag of the index in an index buffer.")
286
287(defvar reftex-index-return-marker (make-marker)
288 "Marker which makes it possible to return from index to old position.")
289
290(defvar reftex-index-restriction-indicator nil)
291(defvar reftex-index-restriction-data nil)
292
293(defun reftex-index-mode ()
294 "Major mode for managing Index buffers for LaTeX files.
295This buffer was created with RefTeX.
296Press `?' for a summary of important key bindings, or check the menu.
297
298Here are all local bindings.
299
300\\{reftex-index-map}"
301 (interactive)
302 (kill-all-local-variables)
303 (setq major-mode 'reftex-index-mode
3666daf6 304 mode-name "RefTeX Index")
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305 (use-local-map reftex-index-map)
306 (set (make-local-variable 'revert-buffer-function) 'reftex-index-revert)
307 (set (make-local-variable 'reftex-index-restriction-data) nil)
308 (set (make-local-variable 'reftex-index-restriction-indicator) nil)
309 (setq mode-line-format
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310 (list "---- " 'mode-line-buffer-identification
311 " " 'global-mode-string
312 " R<" 'reftex-index-restriction-indicator ">"
313 " -%-"))
1a9461d0 314 (setq truncate-lines t)
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315 (when (featurep 'xemacs)
316 ;; XEmacs needs the call to make-local-hook
317 (make-local-hook 'post-command-hook)
318 (make-local-hook 'pre-command-hook))
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319 (make-local-variable 'reftex-last-follow-point)
320 (easy-menu-add reftex-index-menu reftex-index-map)
321 (add-hook 'post-command-hook 'reftex-index-post-command-hook nil t)
322 (add-hook 'pre-command-hook 'reftex-index-pre-command-hook nil t)
7b07114a 323 (run-hooks 'reftex-index-mode-hook))
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324
325(defconst reftex-index-help
326" AVAILABLE KEYS IN INDEX BUFFER
327 ==============================
328! A..Z Goto the section of entries starting with this letter.
329n / p next-entry / previous-entry
330SPC / TAB Show/Goto the corresponding entry in the LaTeX document.
331RET Goto the entry and hide the *Index* window (also on mouse-2).
332q / k Hide/Kill *Index* buffer.
333C-c = Switch to the TOC buffer.
334f / c Toggle follow mode / Toggle display of [c]ontext.
335g Refresh *Index* buffer.
336r / C-u r Reparse the LaTeX document / Reparse entire LaTeX document.
337s Switch to a different index (for documents with multiple indices).
338e / C-k Edit/Kill the entry.
339* | @ Edit specific part of entry: [*]key [|]attribute [@]visual
340 With prefix: kill that part.
5829a569 341\( ) Toggle entry's beginning/end of page range property.
1a9461d0 342_ ^ Add/Remove parent key (to make this item a subitem).
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343} / { Restrict Index to a single document section / Widen.
344< / > When restricted, move restriction to previous/next section.")
345
346(defun reftex-index-show-entry (data &optional no-revisit)
347 ;; Find an index entry associated with DATA and display it highlighted
348 ;; in another window. NO-REVISIT means we are not allowed to visit
349 ;; files for this.
350 ;; Note: This function just looks for the nearest match of the
351 ;; context string and may fail if the entry moved and an identical
352 ;; entry is close to the old position. Frequent rescans make this
49275d55 353 ;; safer.
1a9461d0 354 (let* ((file (nth 3 data))
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355 (literal (nth 2 data))
356 (pos (nth 4 data))
357 (re (regexp-quote literal))
358 (match
359 (cond
360 ((or (not no-revisit)
361 (reftex-get-buffer-visiting file))
362 (switch-to-buffer-other-window
363 (reftex-get-file-buffer-force file nil))
364 (goto-char (or pos (point-min)))
365 (or (looking-at re)
366 (reftex-nearest-match re (length literal))))
274f1353 367 (t (message "%s" reftex-no-follow-message) nil))))
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368 (when match
369 (goto-char (match-beginning 0))
370 (recenter '(4))
371 (reftex-highlight 0 (match-beginning 0) (match-end 0) (current-buffer)))
372 match))
373
f3c18bd0 374(defun reftex-display-index (&optional tag overriding-restriction redo
3666daf6 375 &rest locations)
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376 "Display a buffer with an index compiled from the current document.
377When the document has multiple indices, first prompts for the correct one.
378When index support is turned off, offer to turn it on.
379With one or two `C-u' prefixes, rescan document first.
380With prefix 2, restrict index to current document section.
381With prefix 3, restrict index to region."
382
383 (interactive)
384
385 ;; Ensure access to scanning info and rescan buffer if prefix are is '(4).
386 (let ((current-prefix-arg current-prefix-arg))
387 (reftex-ensure-index-support t)
388 (reftex-access-scan-info current-prefix-arg))
389
390 (set-marker reftex-index-return-marker (point))
391 (setq reftex-last-follow-point 1)
392
393 ;; Determine the correct index to process
394 (let* ((docstruct (symbol-value reftex-docstruct-symbol))
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395 (docstruct-symbol reftex-docstruct-symbol)
396 (index-tag (or tag (reftex-index-select-tag)))
397 (master (reftex-TeX-master-file))
398 (calling-file (buffer-file-name))
399 (restriction
400 (or overriding-restriction
49275d55 401 (and (not redo)
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402 (reftex-get-restriction current-prefix-arg docstruct))))
403 (locations
404 ;; See if we are on an index macro as initial position
405 (or locations
406 (let* ((what-macro (reftex-what-macro-safe 1))
407 (macro (car what-macro))
408 (here-I-am (when (member macro reftex-macros-with-index)
409 (save-excursion
49275d55 410 (goto-char (+ (cdr what-macro)
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411 (length macro)))
412 (reftex-move-over-touching-args)
413 (reftex-where-am-I)))))
414 (if (eq (car (car here-I-am)) 'index)
415 (list (car here-I-am))))))
416 buffer-name)
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417
418 (setq buffer-name (reftex-make-index-buffer-name index-tag))
419
420 ;; Goto the buffer and put it into the correct mode
49275d55 421
1a9461d0 422 (when (or restriction current-prefix-arg)
3666daf6 423 (reftex-kill-buffer buffer-name))
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424
425 (if (get-buffer-window buffer-name)
3666daf6 426 (select-window (get-buffer-window buffer-name))
1a9461d0 427 (let ((default-major-mode 'reftex-index-mode))
3666daf6 428 (switch-to-buffer buffer-name)))
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429
430 (or (eq major-mode 'reftex-index-mode) (reftex-index-mode))
431
432 ;; If the buffer is currently restricted, empty it to force update.
433 (when reftex-index-restriction-data
434 (reftex-erase-buffer))
435 (set (make-local-variable 'reftex-last-index-file) calling-file)
436 (set (make-local-variable 'reftex-index-tag) index-tag)
437 (set (make-local-variable 'reftex-docstruct-symbol) docstruct-symbol)
438 (if restriction
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439 (setq reftex-index-restriction-indicator (car restriction)
440 reftex-index-restriction-data (cdr restriction))
f3c18bd0 441 (if (not redo)
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442 (setq reftex-index-restriction-indicator nil
443 reftex-index-restriction-data nil)))
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444 (when (= (buffer-size) 0)
445 ;; buffer is empty - fill it
446 (message "Building %s buffer..." buffer-name)
447
448 (setq buffer-read-only nil)
449 (insert (format
450"INDEX <%s> on %s
451Restriction: <%s>
452SPC=view TAB=goto RET=goto+hide [e]dit [q]uit [r]escan [f]ollow [?]Help
453------------------------------------------------------------------------------
454" index-tag (abbreviate-file-name master)
455(if (eq (car (car reftex-index-restriction-data)) 'toc)
456 (nth 2 (car reftex-index-restriction-data))
457 reftex-index-restriction-indicator)))
458
459 (if (reftex-use-fonts)
460 (put-text-property 1 (point) 'face reftex-index-header-face))
461 (put-text-property 1 (point) 'intangible t)
462
463 (reftex-insert-index docstruct index-tag)
464 (goto-char (point-min))
465 (run-hooks 'reftex-display-copied-context-hook)
466 (message "Building %s buffer...done." buffer-name)
467 (setq buffer-read-only t))
468 (and locations (apply 'reftex-find-start-point (point) locations))
469 (if reftex-index-restriction-indicator
470 (message "Index restricted: <%s>" reftex-index-restriction-indicator))))
471
472(defun reftex-insert-index (docstruct tag &optional update-one remark)
473 ;; Insert an index into the current buffer. Entries are from the
474 ;; DOCSTRUCT.
475 ;; TAG is the subindex to process.
476 ;; UPDATE-ONE: When non-nil, delete the entry at point and replace
477 ;; it with whatever the DOCSTRUCT contains.
478 ;; REMARK can be a note to add to the entry.
479 (let* ((all docstruct)
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480 (indent " ")
481 (context reftex-index-include-context)
482 (context-indent (concat indent " "))
483 (section-chars (mapcar 'identity reftex-index-section-letters))
484 (this-section-char 0)
485 (font (reftex-use-fonts))
486 (bor (car reftex-index-restriction-data))
487 (eor (nth 1 reftex-index-restriction-data))
488 (mouse-face
489 (if (memq reftex-highlight-selection '(mouse both))
490 reftex-mouse-selected-face
491 nil))
492 (index-face (reftex-verified-face reftex-label-face
493 'font-lock-constant-face
494 'font-lock-reference-face))
495 sublist cell from to first-char)
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496
497 ;; Make the sublist and sort it
498 (when bor
499 (setq all (or (memq bor all) all)))
500
501 (while (setq cell (pop all))
502 (if (eq cell eor)
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503 (setq all nil)
504 (and (eq (car cell) 'index)
505 (equal (nth 1 cell) tag)
506 (push cell sublist))))
1a9461d0 507 (setq sublist (sort (nreverse sublist)
3666daf6 508 (lambda (a b) (string< (nth 8 a) (nth 8 b)))))
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509
510 (when update-one
511 ;; Delete the entry at place
512 (and (bolp) (forward-char 1))
513 (delete-region (previous-single-property-change (1+ (point)) :data)
49275d55 514 (or (next-single-property-change (point) :data)
3666daf6 515 (point-max))))
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516
517 ;; Walk through the list and insert all entries
518 (while (setq cell (pop sublist))
519 (unless update-one
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520 (setq first-char (upcase (string-to-char (nth 6 cell))))
521 (when (and (not (equal first-char this-section-char))
522 (member first-char section-chars))
523 ;; There is a new initial letter, so start a new section
524 (reftex-index-insert-new-letter first-char font)
525 (setq section-chars (delete first-char section-chars)
526 this-section-char first-char))
527 (when (= this-section-char 0)
528 (setq this-section-char ?!)
529 (reftex-index-insert-new-letter this-section-char font)))
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530
531 (setq from (point))
532 (insert indent (nth 7 cell))
533 (when font
3666daf6 534 (setq to (point))
49275d55 535 (put-text-property
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536 (- (point) (length (nth 7 cell))) to
537 'face index-face)
538 (goto-char to))
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539
540 (when (or remark (nth 9 cell))
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541 (and (< (current-column) 40)
542 ;; FIXME: maybe this is too slow?
543 (insert (make-string (max (- 40 (current-column)) 0) ?\ )))
544 (and (nth 9 cell) (insert " " (substring (nth 5 cell) (nth 9 cell))))
545 (and remark (insert " " remark)))
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546
547 (insert "\n")
548 (setq to (point))
549
550 (when context
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551 (insert context-indent (nth 2 cell) "\n")
552 (setq to (point)))
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553 (put-text-property from to :data cell)
554 (when mouse-face
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555 (put-text-property from (1- to)
556 'mouse-face mouse-face))
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557 (goto-char to))))
558
559
560(defun reftex-index-insert-new-letter (letter &optional font)
561 ;; Start a new section in the index
562 (let ((from (point)))
49275d55 563 (insert "\n" letter letter letter
3666daf6 564 "-----------------------------------------------------------------")
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565 (when font
566 (put-text-property from (point) 'face reftex-index-section-face))
567 (insert "\n")))
568
569(defun reftex-get-restriction (arg docstruct)
570 ;; Interprete the prefix ARG and derive index restriction specs.
571 (let* ((beg (min (point) (or (condition-case nil (mark) (error nil))
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572 (point-max))))
573 (end (max (point) (or (condition-case nil (mark) (error nil))
574 (point-min))))
575 bor eor label here-I-am)
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576 (cond
577 ((eq arg 2)
578 (setq here-I-am (car (reftex-where-am-I))
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579 bor (if (eq (car here-I-am) 'toc)
580 here-I-am
581 (reftex-last-assoc-before-elt
582 'toc here-I-am docstruct))
583 eor (car (memq (assq 'toc (cdr (memq bor docstruct))) docstruct))
584 label (nth 6 bor)))
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585 ((eq arg 3)
586 (save-excursion
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587 (setq label "region")
588 (goto-char beg)
589 (setq bor (car (reftex-where-am-I)))
590 (setq bor (nth 1 (memq bor docstruct)))
591 (goto-char end)
592 (setq eor (nth 1 (memq (car (reftex-where-am-I)) docstruct)))))
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593 (t nil))
594 (if (and label (or bor eor))
3666daf6 595 (list label bor eor)
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596 nil)))
597
598(defun reftex-index-pre-command-hook ()
599 ;; Used as pre command hook in *Index* buffer
600 (reftex-unhighlight 0)
601 (reftex-unhighlight 1))
602
603(defun reftex-index-post-command-hook ()
604 ;; Used in the post-command-hook for the *Index* buffer
605 (when (get-text-property (point) :data)
606 (and (> (point) 1)
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607 (not (get-text-property (point) 'intangible))
608 (memq reftex-highlight-selection '(cursor both))
609 (reftex-highlight 1
610 (or (previous-single-property-change (1+ (point)) :data)
611 (point-min))
612 (or (next-single-property-change (point) :data)
613 (point-max)))))
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614 (if (integerp reftex-index-follow-mode)
615 ;; Remove delayed action
616 (setq reftex-index-follow-mode t)
617 (and reftex-index-follow-mode
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618 (not (equal reftex-last-follow-point (point)))
619 ;; Show context in other window
620 (setq reftex-last-follow-point (point))
621 (condition-case nil
622 (reftex-index-visit-location nil (not reftex-revisit-to-follow))
623 (error t)))))
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624
625(defun reftex-index-show-help ()
626 "Show a summary of special key bindings."
627 (interactive)
628 (with-output-to-temp-buffer "*RefTeX Help*"
629 (princ reftex-index-help))
630 (reftex-enlarge-to-fit "*RefTeX Help*" t)
631 ;; If follow mode is active, arrange to delay it one command
632 (if reftex-index-follow-mode
633 (setq reftex-index-follow-mode 1)))
634
635(defun reftex-index-next (&optional arg)
636 "Move to next selectable item."
637 (interactive "p")
638 (setq reftex-callback-fwd t)
639 (or (eobp) (forward-char 1))
49275d55 640 (goto-char (or (next-single-property-change (point) :data)
3666daf6 641 (point)))
1a9461d0 642 (unless (get-text-property (point) :data)
49275d55 643 (goto-char (or (next-single-property-change (point) :data)
3666daf6 644 (point)))))
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645(defun reftex-index-previous (&optional arg)
646 "Move to previous selectable item."
647 (interactive "p")
648 (setq reftex-callback-fwd nil)
649 (goto-char (or (previous-single-property-change (point) :data)
3666daf6 650 (point)))
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651 (unless (get-text-property (point) :data)
652 (goto-char (or (previous-single-property-change (point) :data)
3666daf6 653 (point)))))
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654(defun reftex-index-toggle-follow ()
655 "Toggle follow (other window follows with context)."
656 (interactive)
657 (setq reftex-last-follow-point -1)
658 (setq reftex-index-follow-mode (not reftex-index-follow-mode)))
659(defun reftex-index-toggle-context ()
660 "Toggle inclusion of label context in *Index* buffer.
661Label context is only displayed when the labels are there as well."
662 (interactive)
663 (setq reftex-index-include-context (not reftex-index-include-context))
664 (reftex-index-revert))
665(defun reftex-index-view-entry ()
666 "View document location in other window."
667 (interactive)
668 (reftex-index-visit-location))
669(defun reftex-index-goto-entry-and-hide ()
670 "Go to document location in other window. Hide the *Index* window."
671 (interactive)
672 (reftex-index-visit-location 'hide))
673(defun reftex-index-goto-entry ()
674 "Go to document location in other window. *Index* window stays."
675 (interactive)
676 (reftex-index-visit-location t))
677(defun reftex-index-mouse-goto-line-and-hide (ev)
678 "Go to document location in other window. Hide the *Index* window."
679 (interactive "e")
680 (mouse-set-point ev)
681 (reftex-index-visit-location 'hide))
682(defun reftex-index-quit ()
683 "Hide the *Index* window and do not move point."
684 (interactive)
685 (or (one-window-p) (delete-window))
686 (switch-to-buffer (marker-buffer reftex-index-return-marker))
687 (goto-char (or (marker-position reftex-index-return-marker) (point))))
688(defun reftex-index-quit-and-kill ()
689 "Kill the *Index* buffer."
690 (interactive)
691 (kill-buffer (current-buffer))
692 (or (one-window-p) (delete-window))
693 (switch-to-buffer (marker-buffer reftex-index-return-marker))
694 (goto-char (or (marker-position reftex-index-return-marker) (point))))
695(defun reftex-index-goto-toc (&rest ignore)
696 "Switch to the table of contents of the current document.
697The function will go to the section where the entry at point was defined."
698 (interactive)
699 (if (get-text-property (point) :data)
700 (reftex-index-goto-entry)
701 (switch-to-buffer (marker-buffer reftex-index-return-marker)))
702 (delete-other-windows)
703 (reftex-toc))
704(defun reftex-index-rescan (&rest ignore)
705 "Regenerate the *Index* buffer after reparsing file of section at point."
706 (interactive)
707 (let ((index-tag reftex-index-tag))
708 (if (and reftex-enable-partial-scans
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709 (null current-prefix-arg))
710 (let* ((data (get-text-property (point) :data))
711 (file (nth 3 data))
712 (line (+ (count-lines (point-min) (point)) (if (bolp) 1 0))))
713 (if (not file)
714 (error "Don't know which file to rescan. Try `C-u r'")
715 (switch-to-buffer (reftex-get-file-buffer-force file))
716 (setq current-prefix-arg '(4))
f3c18bd0 717 (reftex-display-index index-tag nil 'redo line)))
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718 (reftex-index-Rescan))
719 (reftex-kill-temporary-buffers)))
720(defun reftex-index-Rescan (&rest ignore)
721 "Regenerate the *Index* buffer after reparsing the entire document."
722 (interactive)
723 (let ((index-tag reftex-index-tag)
3666daf6 724 (line (+ (count-lines (point-min) (point)) (if (bolp) 1 0))))
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725 (switch-to-buffer
726 (reftex-get-file-buffer-force reftex-last-index-file))
727 (setq current-prefix-arg '(16))
f3c18bd0 728 (reftex-display-index index-tag nil 'redo line)))
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729(defun reftex-index-revert (&rest ignore)
730 "Regenerate the *Index* from the internal lists. No reparsing os done."
731 (interactive)
732 (let ((buf (current-buffer))
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733 (index-tag reftex-index-tag)
734 (data (get-text-property (point) :data))
735 (line (+ (count-lines (point-min) (point)) (if (bolp) 1 0))))
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736 (switch-to-buffer
737 (reftex-get-file-buffer-force reftex-last-index-file))
738 (reftex-erase-buffer buf)
739 (setq current-prefix-arg nil
3666daf6 740 reftex-last-follow-point 1)
f3c18bd0 741 (reftex-display-index index-tag nil 'redo data line)))
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742(defun reftex-index-switch-index-tag (&rest ignore)
743 "Switch to a different index of the same document."
744 (interactive)
745 (switch-to-buffer
746 (reftex-get-file-buffer-force reftex-last-index-file))
747 (setq current-prefix-arg nil)
f3c18bd0 748 (reftex-display-index nil nil 'redo))
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749
750(defun reftex-index-restrict-to-section (&optional force)
751 "Restrict index to entries defined in same document sect. as entry at point."
752 ;; Optional FORCE means, even if point is not on an index entry.
753 (interactive)
754 (let* ((data (get-text-property (point) :data))
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755 (docstruct (symbol-value reftex-docstruct-symbol))
756 bor eor)
1a9461d0 757 (if (and (not data) force)
3666daf6 758 (setq data (assq 'toc docstruct)))
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759 (when data
760 (setq bor (reftex-last-assoc-before-elt 'toc data docstruct)
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761 eor (car (memq (assq 'toc (cdr (memq bor docstruct)))
762 docstruct))
763 reftex-index-restriction-data (list bor eor)
764 reftex-index-restriction-indicator (nth 6 bor) )))
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765 (reftex-index-revert))
766
767(defun reftex-index-widen (&rest ignore)
768 "Show the unrestricted index (all entries)."
769 (interactive)
770 (setq reftex-index-restriction-indicator nil
3666daf6 771 reftex-index-restriction-data nil)
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772 (reftex-index-revert)
773 (message "Index widened"))
774(defun reftex-index-restriction-forward (&rest ignore)
775 "Restrict to previous section.
776When index is currently unrestricted, restrict it to a section.
777When index is restricted, select the next section as restriction criterion."
778 (interactive)
779 (let* ((docstruct (symbol-value reftex-docstruct-symbol))
3666daf6 780 (bor (nth 1 reftex-index-restriction-data)))
1a9461d0 781 (if (or (not bor)
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782 (not (eq (car bor) 'toc)))
783 (reftex-index-restrict-to-section t)
1a9461d0 784 (setq reftex-index-restriction-indicator (nth 6 bor)
3666daf6 785 reftex-index-restriction-data
49275d55 786 (list bor
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787 (car (memq (assq 'toc (cdr (memq bor docstruct)))
788 docstruct))))
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789 (reftex-index-revert))))
790(defun reftex-index-restriction-backward (&rest ignore)
791 "Restrict to next section.
792When index is currently unrestricted, restrict it to a section.
793When index is restricted, select the previous section as restriction criterion."
794 (interactive)
795 (let* ((docstruct (symbol-value reftex-docstruct-symbol))
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796 (eor (car reftex-index-restriction-data))
797 (bor (reftex-last-assoc-before-elt 'toc eor docstruct t)))
1a9461d0 798 (if (or (not bor)
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799 (not (eq (car bor) 'toc)))
800 (reftex-index-restrict-to-section t)
1a9461d0 801 (setq reftex-index-restriction-indicator (nth 6 bor)
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802 reftex-index-restriction-data
803 (list bor eor))
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804 (reftex-index-revert))))
805
806(defun reftex-index-visit-location (&optional final no-revisit)
807 ;; Visit the tex file corresponding to the index entry on the current line.
808 ;; If FINAL is t, stay there
809 ;; If FINAL is 'hide, hide the *Index* window.
810 ;; Otherwise, move cursor back into *Index* window.
811 ;; NO-REVISIT means don't visit files, just use live biffers.
812
813 (let* ((data (get-text-property (point) :data))
814 (index-window (selected-window))
815 show-window show-buffer match)
816
817 (unless data (error "Don't know which index entry to visit"))
49275d55 818
1a9461d0 819 (if (eq (car data) 'index)
3666daf6 820 (setq match (reftex-index-show-entry data no-revisit)))
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821
822 (setq show-window (selected-window)
823 show-buffer (current-buffer))
824
825 (unless match
826 (select-window index-window)
827 (error "Cannot find location"))
828
829 (select-window index-window)
830
831 ;; Use the `final' parameter to decide what to do next
832 (cond
833 ((eq final t)
834 (reftex-unhighlight 0)
835 (select-window show-window))
836 ((eq final 'hide)
837 (reftex-unhighlight 0)
838 (or (one-window-p) (delete-window))
839 (switch-to-buffer show-buffer))
840 (t nil))))
841
842(defun reftex-index-analyze-entry (data)
843 ;; This splits the index context so that key, attribute and visual
844 ;; values are accessible individually.
845 (interactive)
846 (let* ((arg (nth 5 data))
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847 (context (nth 2 data))
848 (sc reftex-index-special-chars)
849 (boa (if (string-match (regexp-quote (concat "{" arg "}")) context)
850 (1+ (match-beginning 0))
851 (error "Something is wrong here")))
852 (eoa (1- (match-end 0)))
853 (boactual (if (string-match (concat "[^" (nth 3 sc) "]" (nth 2 sc))
854 context boa)
855 (1+ (match-beginning 0))
856 eoa))
857 (boattr (if (string-match (concat "[^" (nth 3 sc) "]" (nth 1 sc))
858 context boa)
859 (1+ (match-beginning 0))
860 boactual))
861 (pre (substring context 0 boa))
862 (key (substring context boa boattr))
863 (attr (substring context boattr boactual))
864 (actual (substring context boactual eoa))
865 (post (substring context eoa)))
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866 (list pre key attr actual post)))
867
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868(defun reftex-index-edit ()
869 "Edit the index entry at point."
870 (interactive)
871 (let* ((data (get-text-property (point) :data))
3666daf6 872 old new)
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873 (unless data (error "Don't know which index entry to edit"))
874 (reftex-index-view-entry)
875 (setq old (nth 2 data) new (read-string "Edit: " old))
876 (reftex-index-change-entry new)))
877
878(defun reftex-index-toggle-range-beginning ()
879 "Toggle the page range start attribute `|('."
880 (interactive)
881 (let* ((data (get-text-property (point) :data))
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882 (bor (concat (nth 1 reftex-index-special-chars) "("))
883 new analyze attr)
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884 (unless data (error "Don't know which index entry to edit"))
885 (setq analyze (reftex-index-analyze-entry data)
3666daf6 886 attr (nth 2 analyze))
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887 (setf (nth 2 analyze) (if (string= attr bor) "" bor))
888 (setq new (apply 'concat analyze))
49275d55 889 (reftex-index-change-entry
1a9461d0 890 new (if (string= (nth 2 analyze) bor)
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891 "Entry is now START-OF-PAGE-RANGE"
892 "START-OF-PAGE-RANGE canceled"))))
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893
894(defun reftex-index-toggle-range-end ()
895 "Toggle the page-range-end attribute `|)'."
896 (interactive)
897 (let* ((data (get-text-property (point) :data))
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898 (eor (concat (nth 1 reftex-index-special-chars) ")"))
899 new analyze attr)
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900 (unless data (error "Don't know which index entry to edit"))
901 (setq analyze (reftex-index-analyze-entry data)
3666daf6 902 attr (nth 2 analyze))
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903 (setf (nth 2 analyze) (if (string= attr eor) "" eor))
904 (setq new (apply 'concat analyze))
905 (reftex-index-change-entry
906 new (if (string= (nth 2 analyze) eor)
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907 "Entry is now END-OF-PAGE-RANGE"
908 "END-OF-PAGE-RANGE canceled"))))
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909
910(defun reftex-index-edit-key ()
911 "Edit the KEY part of the index entry."
912 (interactive)
913 (reftex-index-edit-part nil 1 "" "Key: " t))
914
915(defun reftex-index-edit-attribute (&optional arg)
916 "EDIT the ATTRIBUTE part of the entry. With arg: remove entire ATTRIBUTE."
917 (interactive "P")
918 (reftex-index-edit-part arg 2 (nth 1 reftex-index-special-chars)
3666daf6 919 "Attribute: "))
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920
921(defun reftex-index-edit-visual (&optional arg)
922 "EDIT the VISUAL part of the entry. With arg: remove entire VISUAL string."
923 (interactive "P")
924 (reftex-index-edit-part arg 3 (nth 2 reftex-index-special-chars) "Visual: "))
925
926(defun reftex-index-edit-part (arg n initial prompt &optional dont-allow-empty)
927 ;; This function does the work for all partial editing commands
928 (let* ((data (get-text-property (point) :data))
3666daf6 929 new analyze opart npart)
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930 (unless data (error "Don't know which index entry to edit"))
931 ;; Analyze the whole context string
932 (setq analyze (reftex-index-analyze-entry data)
3666daf6 933 opart (nth n analyze))
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934 (and (> (length opart) 0) (setq opart (substring opart 1)))
935 ;; Have the user editing the part
936 (setq npart (if arg "" (read-string (concat prompt initial) opart)))
937 ;; Tests:
938 (cond ((string= npart opart)
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939 (error "Not changed"))
940 ((string= npart "")
941 (if dont-allow-empty
5181ff9f 942 (error "Invalid value")
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943 (setf (nth n analyze) npart)))
944 (t (setf (nth n analyze) (concat initial npart))))
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945 (setq new (apply 'concat analyze))
946 ;; Change the entry and insert the changed version into the index.
49275d55 947 (reftex-index-change-entry
1a9461d0 948 new (if (string= npart "")
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949 (format "Deleted: %s" opart)
950 (format "New value is: %s" npart)))))
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951
952(defun reftex-index-level-down ()
953 "Make index entry a subitem of another entry."
954 (interactive)
955 (let* ((data (get-text-property (point) :data))
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956 (docstruct (symbol-value reftex-docstruct-symbol))
957 old new prefix key)
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958 (unless data (error "Don't know which index entry to change"))
959 (setq old (nth 2 data)
3666daf6 960 key (nth 6 data)
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961 prefix (completing-read
962 "Prefix: "
963 (reftex-sublist-nth
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964 docstruct 6
965 (lambda (x)
966 (and (eq (car x) 'index)
967 (string= (nth 1 x) reftex-index-tag))) t)))
49275d55 968 (unless (string-match
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969 (concat (regexp-quote (car reftex-index-special-chars)) "\\'")
970 prefix)
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971 (setq prefix (concat prefix (car reftex-index-special-chars))))
972 (if (string-match (regexp-quote key) old)
3666daf6 973 (setq new (replace-match (concat prefix key) t t old))
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974 (error "Cannot construct new index key"))
975 (reftex-index-change-entry new (format "Added prefix: %s" prefix))))
976
977(defun reftex-index-level-up ()
978 "Remove the highest level of a hierarchical index entry."
979 (interactive)
980 (let* ((data (get-text-property (point) :data))
3666daf6 981 old new prefix)
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982 (unless data (error "Don't know which entry to change"))
983 (setq old (nth 2 data))
984 (if (string-match (concat "{\\([^" (nth 0 reftex-index-special-chars) "]*"
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985 "[^" (nth 3 reftex-index-special-chars) "]"
986 (regexp-quote (nth 0 reftex-index-special-chars))
987 "\\)")
988 old)
989 (setq prefix (substring old (match-beginning 1) (match-end 1))
990 new (concat (substring old 0 (match-beginning 1))
991 (substring old (match-end 1))))
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992 (error "Entry is not a subitem"))
993 (reftex-index-change-entry new (format "Removed prefix: %s" prefix))))
994
995(defun reftex-index-kill ()
996 "FIXME: Not yet implemented"
997 (interactive)
998 (error "This function is currently not implemented"))
999
1000(defun reftex-index-undo ()
1001 "FIXME: Not yet implemented"
1002 (interactive)
1003 (error "This function is currently not implemented"))
1004
1005(defun reftex-index-change-entry (new &optional message)
1006 ;; Change the full context string of the index entry at point to
1007 ;; NEW. This actually edits the buffer where the entry is defined.
49275d55 1008
1a9461d0 1009 (let* ((data (get-text-property (point) :data))
3666daf6 1010 old beg end info)
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1011 (unless data (error "Cannot change entry"))
1012 (reftex-index-view-entry)
1013 (setq beg (match-beginning 0) end (match-end 0))
1014 (setq old (nth 2 data))
1015 (and (equal old new) (error "Entry unchanged"))
1016 (save-excursion
1017 (set-buffer (get-file-buffer (nth 3 data)))
1018 (goto-char beg)
1019 (unless (looking-at (regexp-quote old))
3666daf6 1020 (error "This should not happen (reftex-index-change-entry)"))
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1021 (delete-region beg end)
1022 (insert new)
1023 (goto-char (1- beg))
1024 (when (and (re-search-forward (reftex-everything-regexp) nil t)
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1025 (match-end 10)
1026 (< (abs (- (match-beginning 10) beg)) (length new))
1027 (setq info (reftex-index-info-safe buffer-file-name)))
1028 (setcdr data (cdr info))))
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1029 (let ((buffer-read-only nil))
1030 (save-excursion
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1031 (reftex-insert-index (list data) reftex-index-tag t
1032 "EDITED")))
1a9461d0 1033 (setq reftex-last-follow-point 1)
5673af85 1034 (and message (message "%s" message))))
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1035
1036;; Index map
1037(define-key reftex-index-map (if (featurep 'xemacs) [(button2)] [(mouse-2)])
1038 'reftex-index-mouse-goto-line-and-hide)
a85551d8 1039(define-key reftex-index-map [follow-link] 'mouse-face)
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1040
1041(substitute-key-definition
1042 'next-line 'reftex-index-next reftex-index-map global-map)
1043(substitute-key-definition
1044 'previous-line 'reftex-index-previous reftex-index-map global-map)
1045
1046(loop for x in
1047 '(("n" . reftex-index-next)
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1048 ("p" . reftex-index-previous)
1049 ("?" . reftex-index-show-help)
1050 (" " . reftex-index-view-entry)
1051 ("\C-m" . reftex-index-goto-entry-and-hide)
1052 ("\C-i" . reftex-index-goto-entry)
1053 ("\C-k" . reftex-index-kill)
1054 ("r" . reftex-index-rescan)
1055 ("R" . reftex-index-Rescan)
1056 ("g" . revert-buffer)
1057 ("q" . reftex-index-quit)
1058 ("k" . reftex-index-quit-and-kill)
1059 ("f" . reftex-index-toggle-follow)
1060 ("s" . reftex-index-switch-index-tag)
1061 ("e" . reftex-index-edit)
1062 ("^" . reftex-index-level-up)
1063 ("_" . reftex-index-level-down)
1064 ("}" . reftex-index-restrict-to-section)
1065 ("{" . reftex-index-widen)
1066 (">" . reftex-index-restriction-forward)
1067 ("<" . reftex-index-restriction-backward)
1068 ("(" . reftex-index-toggle-range-beginning)
1069 (")" . reftex-index-toggle-range-end)
1070 ("|" . reftex-index-edit-attribute)
1071 ("@" . reftex-index-edit-visual)
1072 ("*" . reftex-index-edit-key)
1073 ("\C-c=". reftex-index-goto-toc)
1074 ("c" . reftex-index-toggle-context))
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1075 do (define-key reftex-index-map (car x) (cdr x)))
1076
1077(loop for key across "0123456789" do
1078 (define-key reftex-index-map (vector (list key)) 'digit-argument))
1079(define-key reftex-index-map "-" 'negative-argument)
1080
1081;; The capital letters and the exclamation mark
1082(loop for key across (concat "!" reftex-index-section-letters) do
1083 (define-key reftex-index-map (vector (list key))
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1084 (list 'lambda '() '(interactive)
1085 (list 'reftex-index-goto-letter key))))
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1086
1087(defun reftex-index-goto-letter (char)
1088 "Go to the CHAR section in the index."
1089 (let ((pos (point))
3666daf6 1090 (case-fold-search nil))
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1091 (goto-line 3)
1092 (if (re-search-forward (concat "^" (char-to-string char)) nil t)
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1093 (progn
1094 (beginning-of-line)
1095 (recenter 0)
1096 (reftex-index-next))
1a9461d0 1097 (goto-char pos)
7c4d13cc 1098 (if (eq char ?!)
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1099 (error "This <%s> index does not contain entries sorted before the letters"
1100 reftex-index-tag)
49275d55 1101 (error "This <%s> index does not contain entries starting with `%c'"
3666daf6 1102 reftex-index-tag char)))))
1a9461d0 1103
49275d55 1104(easy-menu-define
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1105 reftex-index-menu reftex-index-map
1106 "Menu for Index buffer"
1107 `("Index"
49275d55 1108 ["Goto section A-Z"
1a9461d0 1109 (message "To go to a section, just press any of: !%s"
3666daf6 1110 reftex-index-section-letters) t]
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1111 ["Show Entry" reftex-index-view-entry t]
1112 ["Go To Entry" reftex-index-goto-entry t]
1113 ["Exit & Go To Entry" reftex-index-goto-entry-and-hide t]
1114 ["Table of Contents" reftex-index-goto-toc t]
1115 ["Quit" reftex-index-quit t]
1116 "--"
1117 ("Update"
1118 ["Rebuilt *Index* Buffer" revert-buffer t]
1119 "--"
1120 ["Rescan One File" reftex-index-rescan reftex-enable-partial-scans]
1121 ["Rescan Entire Document" reftex-index-Rescan t])
1122 ("Restrict"
1123 ["Restrict to section" reftex-index-restrict-to-section t]
1124 ["Widen" reftex-index-widen reftex-index-restriction-indicator]
1125 ["Next Section" reftex-index-restriction-forward
1126 reftex-index-restriction-indicator]
1127 ["Previous Section" reftex-index-restriction-backward
1128 reftex-index-restriction-indicator])
1129 ("Edit"
1130 ["Edit Entry" reftex-index-edit t]
1131 ["Edit Key" reftex-index-edit-key t]
1132 ["Edit Attribute" reftex-index-edit-attribute t]
1133 ["Edit Visual" reftex-index-edit-visual t]
1134 "--"
1135 ["Add Parentkey" reftex-index-level-down t]
1136 ["Remove Parentkey " reftex-index-level-up t]
1137 "--"
1138 ["Make Start-of-Range" reftex-index-toggle-range-beginning t]
1139 ["Make End-of-Range" reftex-index-toggle-range-end t]
1140 "--"
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1141 ["Kill Entry" reftex-index-kill nil]
1142 "--"
1143 ["Undo" reftex-index-undo nil])
1144 ("Options"
1145 ["Context" reftex-index-toggle-context :style toggle
1146 :selected reftex-index-include-context]
1147 "--"
49275d55 1148 ["Follow Mode" reftex-index-toggle-follow :style toggle
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1149 :selected reftex-index-follow-mode])
1150 "--"
1151 ["Help" reftex-index-show-help t]))
1152
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1153
1154;;----------------------------------------------------------------------
1155;; The Index Phrases File
1156
1157;; Some constants and variables
1158(defconst reftex-index-phrases-comment-regexp "^[ \t]*%.*"
1159 "Regular expression to match comment lines in phrases buffer")
1160(defconst reftex-index-phrases-macrodef-regexp
1161 "^\\(>>>INDEX_MACRO_DEFINITION:\\)[ \t]+\\(\\S-\\)\\( *\t[ \t]*\\)\\([^\t]*[^ \t]\\)\\( *\t[ \t]*\\)\\(\\S-+\\)"
1162 "Regular expression to match macro definition lines the phrases buffer.")
1163;(defconst reftex-index-phrases-macrodef-regexp
1164; "^\\(>>>INDEX_MACRO_DEFINITION:\\)[ \t]+\\(\\S-\\)\\([ \t]*\\)\\([^\t]*[^ \t]\\)\\([ \t]*\\)\\(nil\\|t\\)[ \t]*$"
1165; "Regular expression to match macro definition lines the phrases buffer.
1166;This version would allow just spaces as separators.")
1167(defconst reftex-index-phrases-phrase-regexp1
1168 "^\\(\\S-?\\)\\(\t\\)\\([^\t\n]*\\S-\\)\\([ \t]*\\)$"
1169 "Regular expression matching phrases which have no separate index key.")
1170(defconst reftex-index-phrases-phrase-regexp2
1171 "^\\(\\S-?\\)\\(\t\\)\\([^\t]*\\S-\\)\\(\t[ \t]*\\)\\([^\n\t]*\\S-\\)[ \t]*$"
1172 "Regular expression matching phrases which have a separate index key.")
1173(defconst reftex-index-phrases-phrase-regexp12
1174 "^\\(\\S-?\\)\\(\t\\)\\([^\n\t]*\\S-\\)\\(\\(\t[ \t]*\\)\\([^\n\t]*\\S-\\)\\)?[ \t]*$"
1175 "Regular expression matching all types of phrase lines.")
1176(defvar reftex-index-phrases-macro-data nil
1177 "Alist containing the information taken from the macro definition lines.
1178This gets refreshed in every phrases command.")
1179(defvar reftex-index-phrases-files nil
1180 "List of document files relevant for the phrases file.")
1181
1182(defvar reftex-index-phrases-font-lock-keywords nil
1183 "Font lock keywords for reftex-index-phrases-mode.")
1184(defvar reftex-index-phrases-font-lock-defaults nil
1185 "Font lock defaults for reftex-index-phrases-mode.")
1186(defvar reftex-index-phrases-map (make-sparse-keymap)
1187 "Keymap used for *toc* buffer.")
1188
1189
1190(defun reftex-index-phrase-selection-or-word (arg)
1191 "Add current selection or word at point to the phrases buffer.
1192When you are in transient-mark-mode and the region is active, the
1193selection will be used - otherwise the word at point.
1194You get a chance to edit the entry in the phrases buffer - finish with
1195`C-c C-c'."
1196 (interactive "P")
1197 (set-marker reftex-index-return-marker (point))
1198 (reftex-index-selection-or-word arg 'phrase)
1199 (if (eq major-mode 'reftex-index-phrases-mode)
49275d55 1200 (message "%s"
7c4d13cc 1201 (substitute-command-keys
3666daf6 1202 "Return to LaTeX with \\[reftex-index-phrases-save-and-return]"))))
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1203
1204(defun reftex-index-visit-phrases-buffer ()
1205 "Switch to the phrases buffer, initialize if empty."
1206 (interactive)
1207 (reftex-access-scan-info)
1208 (let* ((master (reftex-TeX-master-file))
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1209 (name (concat (file-name-sans-extension master)
1210 reftex-index-phrase-file-extension)))
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1211 (find-file name)
1212 (unless (eq major-mode 'reftex-index-phrases-mode)
1213 (reftex-index-phrases-mode))
1214 (if (= (buffer-size) 0)
3666daf6 1215 (reftex-index-initialize-phrases-buffer master))))
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1216
1217(defun reftex-index-initialize-phrases-buffer (&optional master)
1218 "Initialize the phrases buffer by creating the header.
1219If the buffer is non-empty, delete the old header first."
1220 (interactive)
1221 (let* ((case-fold-search t)
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1222 (default-key (car reftex-index-default-macro))
1223 (default-macro (nth 1 (assoc default-key
1224 reftex-key-to-index-macro-alist)))
1225 (macro-alist
1226 (sort (copy-sequence reftex-index-macro-alist)
1227 (lambda (a b) (equal (car a) default-macro))))
1228 macro entry key repeat)
49275d55 1229
7c4d13cc 1230 (if master (set (make-local-variable 'TeX-master)
3666daf6 1231 (file-name-nondirectory master)))
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CD
1232
1233 (when (> (buffer-size) 0)
1234 (goto-char 1)
1235 (set-mark (point))
1236 (while (re-search-forward reftex-index-phrases-macrodef-regexp nil t)
3666daf6 1237 (end-of-line))
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CD
1238 (beginning-of-line 2)
1239 (if (looking-at reftex-index-phrases-comment-regexp)
3666daf6 1240 (beginning-of-line 2))
7c4d13cc 1241 (while (looking-at "^[ \t]*$")
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1242 (beginning-of-line 2))
1243 (if (featurep 'xemacs)
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DN
1244 (zmacs-activate-region)
1245 (setq mark-active t))
ce5a3ac0 1246 (if (yes-or-no-p "Delete and rebuild header? ")
3666daf6 1247 (delete-region (point-min) (point))))
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CD
1248
1249 ;; Insert the mode line
1250 (insert
1251 (format "%% -*- mode: reftex-index-phrases; TeX-master: \"%s\" -*-\n"
3666daf6 1252 (file-name-nondirectory (reftex-index-phrase-tex-master))))
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CD
1253 ;; Insert the macro definitions
1254 (insert "% Key Macro Format Repeat\n")
1255 (insert "%---------------------------------------------------------------------\n")
1256 (while (setq entry (pop macro-alist))
1257 (setq macro (car entry)
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CD
1258 repeat (nth 7 entry)
1259 key (car (delq nil (mapcar (lambda (x) (if (equal (nth 1 x) macro)
1260 (car x)
1261 nil))
1262 reftex-key-to-index-macro-alist))))
7c4d13cc 1263 (insert (format ">>>INDEX_MACRO_DEFINITION:\t%s\t%-20s\t%s\n"
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CD
1264 (char-to-string key) (concat macro "{%s}")
1265 (if repeat "t" "nil"))))
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CD
1266 (insert "%---------------------------------------------------------------------\n\n\n")))
1267
1268(defvar TeX-master)
1269(defun reftex-index-phrase-tex-master (&optional dir)
1270 "Return the name of the master file associated with a phrase buffer."
1271 (if (and (boundp 'TeX-master)
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1272 (local-variable-p 'TeX-master (current-buffer))
1273 (stringp TeX-master))
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CD
1274 ;; We have a local variable which tells us which file to use
1275 (expand-file-name TeX-master dir)
1276 ;; have to guess
1277 (concat (file-name-sans-extension (buffer-file-name)) ".tex")))
1278
1279(defun reftex-index-phrases-save-and-return ()
1280 "Return to where the `reftex-index-phrase-selection-or-word' was called."
1281 (interactive)
1282 (save-buffer)
1283 (switch-to-buffer (marker-buffer reftex-index-return-marker))
1284 (goto-char (or (marker-position reftex-index-return-marker) (point))))
1285
1286
1287(defvar reftex-index-phrases-menu)
7b07114a 1288(defvar reftex-index-phrases-marker)
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CD
1289(defvar reftex-index-phrases-restrict-file nil)
1290;;;###autoload
1291(defun reftex-index-phrases-mode ()
1292 "Major mode for managing the Index phrases of a LaTeX document.
1293This buffer was created with RefTeX.
1294
1295To insert new phrases, use
1296 - `C-c \\' in the LaTeX document to copy selection or word
1297 - `\\[reftex-index-new-phrase]' in the phrases buffer.
1298
1299To index phrases use one of:
1300
1301\\[reftex-index-this-phrase] index current phrase
1302\\[reftex-index-next-phrase] index next phrase (or N with prefix arg)
1303\\[reftex-index-all-phrases] index all phrases
1304\\[reftex-index-remaining-phrases] index current and following phrases
1305\\[reftex-index-region-phrases] index the phrases in the region
1306
1307You can sort the phrases in this buffer with \\[reftex-index-sort-phrases].
1308To display information about the phrase at point, use \\[reftex-index-phrases-info].
1309
1310For more information see the RefTeX User Manual.
1311
1312Here are all local bindings.
1313
1314\\{reftex-index-phrases-map}"
1315 (interactive)
1316 (kill-all-local-variables)
1317 (setq major-mode 'reftex-index-phrases-mode
3666daf6 1318 mode-name "Phrases")
7c4d13cc 1319 (use-local-map reftex-index-phrases-map)
49275d55 1320 (set (make-local-variable 'font-lock-defaults)
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1321 reftex-index-phrases-font-lock-defaults)
1322 (easy-menu-add reftex-index-phrases-menu reftex-index-phrases-map)
1323 (set (make-local-variable 'reftex-index-phrases-marker) (make-marker))
7b07114a 1324 (run-hooks 'reftex-index-phrases-mode-hook))
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CD
1325(add-hook 'reftex-index-phrases-mode-hook 'turn-on-font-lock)
1326
1327;; Font Locking stuff
1328(let ((ss (if (featurep 'xemacs) 'secondary-selection ''secondary-selection)))
1329 (setq reftex-index-phrases-font-lock-keywords
49275d55 1330 (list
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1331 (cons reftex-index-phrases-comment-regexp 'font-lock-comment-face)
1332 (list reftex-index-phrases-macrodef-regexp
1333 '(1 font-lock-type-face)
1334 '(2 font-lock-keyword-face)
1335 (list 3 ss)
1336 '(4 font-lock-function-name-face)
1337 (list 5 ss)
1338 '(6 font-lock-string-face))
1339 (list reftex-index-phrases-phrase-regexp1
1340 '(1 font-lock-keyword-face)
1341 (list 2 ss)
1342 '(3 font-lock-string-face)
1343 (list 4 ss))
1344 (list reftex-index-phrases-phrase-regexp2
1345 '(1 font-lock-keyword-face)
1346 (list 2 ss)
1347 '(3 font-lock-string-face)
1348 (list 4 ss)
1349 '(5 font-lock-function-name-face))
1350 (cons "^\t$" ss)))
7c4d13cc 1351 (setq reftex-index-phrases-font-lock-defaults
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CD
1352 '((reftex-index-phrases-font-lock-keywords)
1353 nil t nil beginning-of-line))
49275d55 1354 (put 'reftex-index-phrases-mode 'font-lock-defaults
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1355 reftex-index-phrases-font-lock-defaults) ; XEmacs
1356 )
1357
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1358(defun reftex-index-next-phrase (&optional arg)
1359 "Index the next ARG phrases in the phrases buffer."
1360 (interactive "p")
1361 (reftex-index-phrases-parse-header t)
1362 (while (> arg 0)
1363 (decf arg)
1364 (end-of-line)
1365 (if (re-search-forward reftex-index-phrases-phrase-regexp12 nil t)
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1366 (progn
1367 (goto-char (match-beginning 0))
f3c18bd0 1368 (reftex-index-this-phrase 'slave))
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1369 (error "No more phrase lines after point"))))
1370
f3c18bd0 1371(defun reftex-index-this-phrase (&optional slave)
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CD
1372 "Index the phrase in the current line.
1373Does a global search and replace in the entire document. At each
1374match, the user will be asked to confirm the replacement."
1375 (interactive)
f3c18bd0 1376 (if (not slave) (reftex-index-phrases-parse-header t))
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CD
1377 (save-excursion
1378 (beginning-of-line)
1379 (cond ((looking-at reftex-index-phrases-comment-regexp)
f3c18bd0 1380 (if (not slave) (error "Comment line")))
3666daf6 1381 ((looking-at "^[ \t]*$")
f3c18bd0 1382 (if (not slave) (error "Empty line")))
3666daf6 1383 ((looking-at reftex-index-phrases-macrodef-regexp)
f3c18bd0 1384 (if (not slave) (error "Macro definition line")))
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CD
1385 ((looking-at reftex-index-phrases-phrase-regexp12)
1386 ;; This is a phrase
1387 (let* ((char (if (not (equal (match-string 1) ""))
1388 (string-to-char (match-string 1))))
1389 (phrase (match-string 3))
1390 (index-key (match-string 6))
1391 (macro-data (cdr (if (null char)
1392 (car reftex-index-phrases-macro-data)
1393 (assoc char reftex-index-phrases-macro-data))))
1394 (macro-fmt (car macro-data))
1395 (repeat (nth 1 macro-data))
1396 (files
1397 (cond ((and (stringp reftex-index-phrases-restrict-file)
1398 (file-regular-p reftex-index-phrases-restrict-file))
1399 (list reftex-index-phrases-restrict-file))
1400 ((stringp reftex-index-phrases-restrict-file)
5181ff9f 1401 (error "Invalid restriction file %s"
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CD
1402 reftex-index-phrases-restrict-file))
1403 (t reftex-index-phrases-files)))
1404 (as-words reftex-index-phrases-search-whole-words))
1405 (unless macro-data
1406 (error "No macro associated with key %c" char))
1407 (unwind-protect
1408 (let ((overlay-arrow-string "=>")
1409 (overlay-arrow-position
1410 reftex-index-phrases-marker)
1411 (replace-count 0))
1412 ;; Show the overlay arrow
1413 (move-marker reftex-index-phrases-marker
1414 (match-beginning 0) (current-buffer))
1415 ;; Start the query-replace
49275d55
JB
1416 (reftex-query-index-phrase-globally
1417 files phrase macro-fmt
3666daf6 1418 index-key repeat as-words)
49275d55 1419 (message "%s replaced"
3666daf6
CD
1420 (reftex-number replace-count "occurrence"))))))
1421 (t (error "Cannot parse this line")))))
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1422
1423(defun reftex-index-all-phrases ()
1424 "Index all phrases in the phrases buffer.
1425Calls `reftex-index-this-phrase' on each line in the buffer."
1426 (interactive)
1427 (reftex-index-region-phrases (point-min) (point-max)))
1428
1429(defun reftex-index-remaining-phrases ()
1430 "Index all phrases in the phrases buffer.
1431Calls `reftex-index-this-phrase' on each line ay and below point in
1432the buffer."
1433 (interactive)
1434 (beginning-of-line)
1435 (reftex-index-region-phrases (point) (point-max)))
1436
1437(defun reftex-index-region-phrases (beg end)
1438 "Index all phrases in the phrases buffer.
1439Calls `reftex-index-this-phrase' on each line in the region."
1440 (interactive "r")
1441 (reftex-index-phrases-parse-header t)
1442 (goto-char beg)
1443 (while (not (or (eobp)
3666daf6 1444 (>= (point) end)))
f3c18bd0 1445 (save-excursion (reftex-index-this-phrase 'slave))
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CD
1446 (beginning-of-line 2)))
1447
1448(defun reftex-index-phrases-parse-header (&optional get-files)
1449 "Parse the header of a phrases file to extract the macro definitions.
1450The definitions get stored in `reftex-index-phrases-macro-data'.
1451Also switches to the LaTeX document to find out which files belong to
1452the document and stores the list in `reftex-index-phrases-files'."
1453 (let* ((master (reftex-index-phrase-tex-master))
3666daf6 1454 buf)
7c4d13cc 1455 (if get-files
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CD
1456 ;; Get the file list
1457 (save-excursion
1458 (setq buf (reftex-get-file-buffer-force master))
1459 (unless buf (error "Master file %s not found" master))
1460 (set-buffer buf)
1461 (reftex-access-scan-info)
49275d55 1462 (setq reftex-index-phrases-files
3666daf6 1463 (reftex-all-document-files))))
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CD
1464 ;; Parse the files header for macro definitions
1465 (setq reftex-index-phrases-macro-data nil)
1466 (save-excursion
1467 (goto-char (point-min))
1468 (while (re-search-forward reftex-index-phrases-macrodef-regexp nil t)
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CD
1469 (push (list
1470 (string-to-char (match-string 2))
1471 (match-string 4)
1472 (equal (match-string 6) "t"))
1473 reftex-index-phrases-macro-data))
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CD
1474 ;; Reverse the list, so that the first macro is first
1475 (if (null reftex-index-phrases-macro-data)
3666daf6 1476 (error "No valid MACRO DEFINITION line in %s file (make sure to use TAB separators)" reftex-index-phrase-file-extension))
49275d55 1477 (setq reftex-index-phrases-macro-data
3666daf6 1478 (nreverse reftex-index-phrases-macro-data))
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CD
1479 (goto-char (point-min)))))
1480
1481(defun reftex-index-phrases-apply-to-region (beg end)
1482 "Index all index phrases in the current region.
1483This works exactly like global indexing from the index phrases buffer,
1484but operation is restricted to the current region. This is useful if
1485you need to add/change text in an already indexed document and want to
1486index the new part without having to go over the unchanged parts again."
1487 (interactive "r")
1488 (let ((win-conf (current-window-configuration))
49275d55 1489 (reftex-index-phrases-restrict-file (buffer-file-name)))
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CD
1490 (save-excursion
1491 (save-restriction
1492 (narrow-to-region beg end)
1493 (unwind-protect
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CD
1494 (progn
1495 ;; Hide the region highlighting
a445370f
DN
1496 (if (featurep 'xemacs)
1497 (zmacs-deactivate-region)
1498 (deactivate-mark))
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CD
1499 (delete-other-windows)
1500 (reftex-index-visit-phrases-buffer)
1501 (reftex-index-all-phrases))
1502 (set-window-configuration win-conf))))))
7c4d13cc
CD
1503
1504(defun reftex-index-new-phrase (&optional text)
1505 "Open a new line in the phrases buffer, insert TEXT."
1506 (interactive)
1507 (if (and text (stringp text))
1508 (progn
3666daf6
CD
1509 ;; Check if the phrase is already in the buffer
1510 (setq text (reftex-index-simplify-phrase text))
1511 (goto-char (point-min))
1512 (if (re-search-forward
49275d55 1513 (concat "^\\(\\S-*\\)\t\\(" (regexp-quote text)
3666daf6
CD
1514 "\\) *[\t\n]") nil t)
1515 (progn
1516 (goto-char (match-end 2))
1517 (error "Phrase is already in phrases buffer")))))
7c4d13cc
CD
1518 ;; Add the new phrase line after the last in the buffer
1519 (goto-char (point-max))
1520 (if (re-search-backward reftex-index-phrases-phrase-regexp12 nil t)
1521 (end-of-line))
1522 (if (not (bolp))
1523 (insert "\n"))
1524 (insert "\t")
1525 (if (and text (stringp text))
1526 (insert text)))
1527
1528(defun reftex-index-find-next-conflict-phrase (&optional arg)
1529 "Find the next a phrase which is has conflicts in the phrase buffer.
1530The command helps to find possible conflicts in the phrase indexing process.
1531It searches downward from point for a phrase which is repeated elsewhere
1532in the buffer, or which is a subphrase of another phrase. If such a
1533phrase is found, the phrase info is displayed.
1534To check the whole buffer, start at the beginning and continue by calling
1535this function repeatedly."
1536 (interactive "P")
1537 (if (catch 'exit
3666daf6
CD
1538 (while (re-search-forward reftex-index-phrases-phrase-regexp12 nil t)
1539 (goto-char (match-beginning 3))
1540 (let* ((phrase (match-string 3))
1541 (case-fold-search reftex-index-phrases-case-fold-search)
1542 (re (reftex-index-phrases-find-dup-re phrase t)))
49275d55 1543 (if (save-excursion
3666daf6
CD
1544 (goto-char (point-min))
1545 (and (re-search-forward re nil t)
1546 (re-search-forward re nil t)))
1547 (throw 'exit t)))))
7c4d13cc 1548 (progn
3666daf6
CD
1549 (reftex-index-phrases-info)
1550 (message "Phrase with match conflict discovered"))
7c4d13cc
CD
1551 (goto-char (point-max))
1552 (error "No further problematic phrases found")))
1553
1554(defun reftex-index-phrases-info ()
1555 "Display information about the phrase at point."
1556 (interactive)
1557 (save-excursion
1558 (beginning-of-line)
1559 (unless (looking-at reftex-index-phrases-phrase-regexp12)
1560 (error "Not a phrase line"))
1561 (save-match-data (reftex-index-phrases-parse-header t))
1562 (let* ((char (if (not (equal (match-string 1) ""))
3666daf6
CD
1563 (string-to-char (match-string 1))))
1564 (phrase (match-string 3))
1565 (index-key (match-string 6))
1566 (index-keys (split-string
1567 (or index-key phrase)
1568 reftex-index-phrases-logical-or-regexp))
1569 (macro-data (cdr (if (null char)
1570 (car reftex-index-phrases-macro-data)
1571 (assoc char reftex-index-phrases-macro-data))))
1572 (macro-fmt (car macro-data))
1573 (repeat (nth 1 macro-data))
1574 (as-words reftex-index-phrases-search-whole-words)
1575 (example (reftex-index-make-replace-string
1576 macro-fmt (downcase phrase) (car index-keys) repeat))
1577 (re (reftex-index-make-phrase-regexp phrase as-words t))
1578 (re1 (reftex-index-phrases-find-dup-re phrase))
1579 (re2 (reftex-index-phrases-find-dup-re phrase 'sub))
1580 superphrases
1581 (nmatches 0)
1582 (ntimes1 0)
1583 (ntimes2 0)
1584 (case-fold-search reftex-index-phrases-case-fold-search)
1585 file files buf)
7c4d13cc
CD
1586 (setq files reftex-index-phrases-files)
1587 (save-excursion
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CD
1588 (save-restriction
1589 (widen)
1590 (goto-char (point-min))
1591 (while (re-search-forward re1 nil t)
1592 (incf ntimes1))
1593 (goto-char (point-min))
1594 (while (re-search-forward re2 nil t)
1595 (push (cons (count-lines 1 (point)) (match-string 1)) superphrases)
1596 (incf ntimes2))))
7c4d13cc 1597 (save-excursion
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CD
1598 (while (setq file (pop files))
1599 (setq buf (reftex-get-file-buffer-force file))
1600 (when buf
1601 (set-buffer buf)
1602 (save-excursion
1603 (save-restriction
1604 (widen)
1605 (goto-char (point-min))
1606 (let ((case-fold-search reftex-index-phrases-case-fold-search))
1607 (while (re-search-forward re nil t)
1608 (or (reftex-in-comment)
1609 (incf nmatches)))))))))
7c4d13cc 1610 (with-output-to-temp-buffer "*Help*"
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CD
1611 (princ (format " Phrase: %s\n" phrase))
1612 (princ (format " Macro key: %s\n" char))
1613 (princ (format " Macro format: %s\n" macro-fmt))
1614 (princ (format " Repeat: %s\n" repeat))
1615 (cond
1616 (index-key
1617 (let ((iks index-keys) (cnt 0) ik)
1618 (while (setq ik (pop iks))
1619 (princ (format "Index entry %d: %s\n" (incf cnt) ik)))))
1620 (repeat
1621 (princ (format " Index entry: %s\n" phrase)))
1622 (t
1623 (princ (format " Index key: <<Given by the match>>\n"))))
1624 (princ (format " Example: %s\n" example))
1625 (terpri)
1626 (princ (format "Total matches: %s in %s\n"
1627 (reftex-number nmatches "match" "es")
1628 (reftex-number (length reftex-index-phrases-files)
1629 "LaTeX file")))
1630 (princ (format " Uniqueness: Phrase occurs %s in phrase buffer\n"
1631 (reftex-number ntimes1 "time")))
1632 (if (> ntimes2 1)
1633 (progn
1634 (princ (format " Superphrases: Phrase matches the following %s in the phrase buffer:\n"
1635 (reftex-number ntimes2 "line")))
49275d55 1636 (mapcar (lambda(x)
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CD
1637 (princ (format " Line %4d: %s\n" (car x) (cdr x))))
1638 (nreverse superphrases))))))))
7c4d13cc
CD
1639
1640(defun reftex-index-phrases-set-macro-key ()
1641 "Change the macro key for the current line.
1642Prompts for a macro key and insert is at the beginning of the line.
1643If you reply with SPACE, the macro keyn will be removed, so that the
1644default macro will be used. If you reply with `RET', just prints
1645information about the currently selected macro."
1646 (interactive)
1647 (reftex-index-phrases-parse-header)
1648 (save-excursion
1649 (beginning-of-line)
1650 (unless (or (looking-at reftex-index-phrases-phrase-regexp12)
3666daf6 1651 (looking-at "\t"))
7c4d13cc
CD
1652 (error "This is not a phrase line"))
1653 (let* ((nc (reftex-index-select-phrases-macro 0))
3666daf6
CD
1654 (macro-data (assoc nc reftex-index-phrases-macro-data))
1655 macro-fmt repeat)
7c4d13cc 1656 (cond (macro-data)
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CD
1657 ((equal nc ?\ )
1658 (setq nc ""
1659 macro-data (car reftex-index-phrases-macro-data)))
1660 ((equal nc ?\C-m)
1661 (setq nc (char-after (point)))
1662 (if (equal nc ?\t)
1663 (setq nc ""
1664 macro-data (car reftex-index-phrases-macro-data))
1665 (setq macro-data (assoc nc reftex-index-phrases-macro-data))))
1666 (t (error "No macro associated with %c" nc)))
7c4d13cc
CD
1667
1668 (setq macro-fmt (nth 1 macro-data)
3666daf6 1669 repeat (nth 2 macro-data))
7c4d13cc 1670 (if macro-data
3666daf6
CD
1671 (progn
1672 (if (looking-at "[^\t]") (delete-char 1))
1673 (insert nc)
1674 (message "Line will use %s %s repeat" macro-fmt
1675 (if repeat "with" "without")))
1676 (error "Abort")))))
7c4d13cc
CD
1677
1678(defun reftex-index-sort-phrases (&optional chars-first)
1679 "Sort the phrases lines in the buffer alphabetically.
1680Normally, this looks only at the phrases. With a prefix arg CHARS-FIRST,
1681it first compares the macro identifying chars and then the phrases."
1682 (interactive "P")
1683 ;; Remember the current line, so that we can return
1684 (let ((line (buffer-substring (progn (beginning-of-line) (point))
3666daf6
CD
1685 (progn (end-of-line) (point))))
1686 beg end)
7c4d13cc
CD
1687 (goto-char (point-min))
1688 ;; Find first and last phrase line in buffer
49275d55 1689 (setq beg
3666daf6
CD
1690 (and (re-search-forward reftex-index-phrases-phrase-regexp12 nil t)
1691 (match-beginning 0)))
7c4d13cc
CD
1692 (goto-char (point-max))
1693 (setq end (re-search-backward reftex-index-phrases-phrase-regexp12 nil t))
1694 (if end (setq end (progn (goto-char end) (end-of-line) (point))))
1695 ;; Take the lines, sort them and re-insert.
1696 (if (and beg end)
3666daf6
CD
1697 (progn
1698 (message "Sorting lines...")
1699 (let* ((lines (split-string (buffer-substring beg end) "\n"))
1700 (lines1 (sort lines 'reftex-compare-phrase-lines)))
1701 (message "Sorting lines...done")
1702 (let ((inhibit-quit t)) ;; make sure we do not loose lines
1703 (delete-region beg end)
1704 (insert (mapconcat 'identity lines1 "\n"))))
1705 (goto-char (point-max))
1706 (re-search-backward (concat "^" (regexp-quote line) "$") nil t))
7c4d13cc
CD
1707 (error "Cannot find phrases lines to sort"))))
1708
1709(defvar chars-first)
1710(defun reftex-compare-phrase-lines (a b)
1711 "The comparison function used for sorting."
1712 (let (ca cb pa pb c-p p-p)
1713 (if (string-match reftex-index-phrases-phrase-regexp12 a)
3666daf6
CD
1714 (progn
1715 ;; Extract macro char and phrase-or-key for a
49275d55
JB
1716 (setq ca (match-string 1 a)
1717 pa (downcase
3666daf6
CD
1718 (or (and reftex-index-phrases-sort-prefers-entry
1719 (match-string 6 a))
1720 (match-string 3 a))))
1721 (if (string-match reftex-index-phrases-phrase-regexp12 b)
1722 (progn
1723 ;; Extract macro char and phrase-or-key for b
49275d55 1724 (setq cb (match-string 1 b)
3666daf6
CD
1725 pb (downcase
1726 (or (and reftex-index-phrases-sort-prefers-entry
1727 (match-string 6 b))
1728 (match-string 3 b))))
1729 (setq c-p (string< ca cb)
1730 p-p (string< pa pb))
1731 ;; Do the right comparison, based on the value of `chars-first'
49275d55 1732 ;; `chars-first' is bound locally in the calling function
3666daf6
CD
1733 (if chars-first
1734 (if (string= ca cb) p-p c-p)
1735 (if (string= pa pb) c-p p-p)))))
7c4d13cc
CD
1736 ;; If line a does not match, the answer we return determines
1737 ;; if non-matching lines are collected at the beginning.
1738 ;; When we return t here, non-matching lines form
1739 ;; block separators for searches.
1740 (not reftex-index-phrases-sort-in-blocks))))
1741
1742(defvar reftex-index-phrases-menu)
49275d55 1743(defun reftex-index-make-phrase-regexp (phrase &optional
3666daf6 1744 as-words allow-newline)
7c4d13cc
CD
1745 "Return a regexp matching PHRASE, even if distributed over lines.
1746With optional arg AS-WORDS, require word boundary at beginning and end.
1747With optional arg ALLOW-NEWLINE, allow single newline between words."
1748 (let* ((words (split-string phrase))
3666daf6
CD
1749 (space-re (if allow-newline
1750 "\\([ \t]*\\(\n[ \t]*\\)?\\|[ \t]\\)"
1751 "\\([ \t]+\\)")))
7c4d13cc 1752 (concat (if (and as-words (string-match "\\`\\w" (car words)))
f3c18bd0 1753 "\\(\\<\\|[`']\\)" "")
49275d55 1754 (mapconcat (lambda (w) (regexp-quote
f3c18bd0
CD
1755 (if reftex-index-phrases-case-fold-search
1756 (downcase w)
1757 w)))
3666daf6 1758 words space-re)
49275d55 1759 (if (and as-words
3666daf6 1760 (string-match "\\w\\'" (nth (1- (length words)) words)))
f3c18bd0 1761 "\\(\\>\\|'\\)" ""))))
7c4d13cc
CD
1762
1763(defun reftex-index-simplify-phrase (phrase)
1764 "Make phrase single spaces and single line."
1765 (mapconcat 'identity (split-string phrase) " "))
1766
1767(defun reftex-index-phrases-find-dup-re (phrase &optional sub)
1768 "Return a regexp which matches variations of PHRASE (with additional space).
1769When SUB ins non-nil, the regexp will also match when PHRASE is a subphrase
1770of another phrase. The regexp works lonly in the phrase buffer."
1771 (concat (if sub "^\\S-?\t\\([^\t\n]*" "^\\S-?\t")
3666daf6
CD
1772 (mapconcat 'regexp-quote (split-string phrase) " +")
1773 (if sub "[^\t\n]*\\)\\([\t\n]\\|$\\)" " *\\([\t\n]\\|$\\)")))
7c4d13cc
CD
1774
1775(defun reftex-index-make-replace-string (macro-fmt match index-key
3666daf6 1776 &optional repeat mathp)
7c4d13cc
CD
1777 "Return the string which can be used as replacement.
1778Treats the logical `and' for index phrases."
1779 (let ((index-keys (split-string (or index-key match)
3666daf6 1780 reftex-index-phrases-logical-and-regexp)))
7c4d13cc 1781 (concat
49275d55
JB
1782 (mapconcat (lambda (x)
1783 (format macro-fmt
3666daf6
CD
1784 (format (if mathp reftex-index-math-format "%s") x)))
1785 index-keys "")
7c4d13cc
CD
1786 (if repeat (reftex-index-simplify-phrase match) ""))))
1787
1788(defun reftex-query-index-phrase-globally (files &rest args)
1789 "Call `reftex-query-index-phrase' for all files in FILES."
1790 (let ((win-conf (current-window-configuration))
3666daf6 1791 (file))
7c4d13cc
CD
1792 (unless files (error "No files"))
1793 (unwind-protect
3666daf6 1794 (progn
49275d55 1795 (switch-to-buffer-other-window (reftex-get-file-buffer-force
3666daf6
CD
1796 (car files)))
1797 (catch 'no-more-files
1798 (while (setq file (pop files))
1799 (switch-to-buffer (reftex-get-file-buffer-force file))
1800 (save-excursion
1801 (save-restriction
1802 (unless (stringp reftex-index-phrases-restrict-file)
1803 (widen))
1804 (goto-char (point-min))
1805 (apply 'reftex-query-index-phrase args))))))
7c4d13cc
CD
1806 (reftex-unhighlight 0)
1807 (set-window-configuration win-conf))))
1808
1809(defconst reftex-index-phrases-help
1810 " Keys for query-index search
1811 ===========================
1812y Replace this match
1813n Skip this match
1814! Replace this and all further matches in this file
1815q / Q Skip match, start next file / start next phrase
1816o Use a different indexing macro for this match
18171 - 9 Select one of the multiple phrases
1818e Edit the replacement text
1819C-r Recursive edit.
1820s / S Save this buffer / Save all document buffers
1821C-g Abort"
1822 "The help string for indexing phrases.")
1823
1824(defvar replace-count)
1825(defun reftex-query-index-phrase (phrase macro-fmt &optional
3666daf6 1826 index-key repeat as-words)
7c4d13cc
CD
1827 "Search through buffer for PHRASE, and offer to replace it with an indexed
1828version. The index version is derived by applying `format' with MACRO-FMT
1829to INDEX-KEY or PHRASE. When REPEAT is non-nil, the PHRASE is inserted
1830again after the macro.
1831AS-WORDS means, the search for PHRASE should require word boundaries at
1832both ends."
1833 (let* ((re (reftex-index-make-phrase-regexp phrase as-words 'allow-newline))
3666daf6 1834 (case-fold-search reftex-index-phrases-case-fold-search)
49275d55 1835 (index-keys (split-string
3666daf6
CD
1836 (or index-key phrase)
1837 reftex-index-phrases-logical-or-regexp))
1838 (nkeys (length index-keys))
1839 (ckey (nth 0 index-keys))
49275d55 1840 (all-yes nil)
7b07114a
CD
1841 match rpl char (beg (make-marker)) (end (make-marker)) mathp)
1842 (move-marker beg 1)
1843 (move-marker end 1)
7c4d13cc 1844 (unwind-protect
3666daf6
CD
1845 (while (re-search-forward re nil t)
1846 (catch 'next-match
f3c18bd0
CD
1847 (if (reftex-in-comment)
1848 (throw 'next-match nil))
3666daf6
CD
1849 (if (and (fboundp reftex-index-verify-function)
1850 (not (funcall reftex-index-verify-function)))
1851 (throw 'next-match nil))
1852 (setq match (match-string 0))
1853 (setq mathp
1854 (save-match-data
1855 (condition-case nil (texmathp) (error nil))))
7b07114a
CD
1856 (setq beg (move-marker beg (match-beginning 0))
1857 end (move-marker end (match-end 0)))
3666daf6
CD
1858 (if (and reftex-index-phrases-skip-indexed-matches
1859 (save-match-data
1860 (reftex-index-phrase-match-is-indexed beg
1861 end)))
1862 (throw 'next-match nil))
1863 (reftex-highlight 0 (match-beginning 0) (match-end 0))
49275d55 1864 (setq rpl
3666daf6
CD
1865 (save-match-data
1866 (reftex-index-make-replace-string
1867 macro-fmt (match-string 0) ckey repeat mathp)))
49275d55 1868 (while
3666daf6
CD
1869 (not
1870 (catch 'loop
1871 (message "REPLACE: %s? (yn!qoe%s?)"
1872 rpl
49275d55 1873 (if (> nkeys 1)
3666daf6
CD
1874 (concat "1-" (int-to-string nkeys))
1875 ""))
1876 (setq char (if all-yes ?y (read-char-exclusive)))
1877 (cond ((member char '(?y ?Y ?\ ))
1878 ;; Yes!
1879 (replace-match rpl t t)
1880 (incf replace-count)
1881 ;; See if we should insert newlines to shorten lines
1882 (and reftex-index-phrases-wrap-long-lines
1883 (reftex-index-phrases-fixup-line beg end))
1884 (throw 'loop t))
1885 ((member char '(?n ?N ?\C-h ?\C-?));; FIXME: DEL
1886 ;; No
1887 (throw 'loop t))
1888 ((equal char ?!)
1889 ;; Yes for all in this buffer
1890 (setq all-yes t))
1891 ((equal char ?q)
1892 ;; Stop this one in this file
1893 (goto-char (point-max))
1894 (throw 'loop t))
1895 ((equal char ?Q)
1896 ;; Stop this one
1897 (throw 'no-more-files t))
1898 ((equal char ?s)
1899 (save-buffer))
1900 ((equal char ?S)
1901 (reftex-save-all-document-buffers))
1902 ((equal char ?\C-g)
1903 (keyboard-quit))
1904 ((member char '(?o ?O))
1905 ;; Select a differnt macro
1906 (let* ((nc (reftex-index-select-phrases-macro 2))
49275d55 1907 (macro-data
3666daf6
CD
1908 (cdr (assoc nc reftex-index-phrases-macro-data)))
1909 (macro-fmt (car macro-data))
1910 (repeat (nth 1 macro-data)))
1911 (if macro-data
1912 (setq rpl (save-match-data
1913 (reftex-index-make-replace-string
1914 macro-fmt match
1915 ckey repeat mathp)))
1916 (ding))))
1917 ((equal char ?\?)
1918 ;; Help
1919 (with-output-to-temp-buffer "*Help*"
1920 (princ reftex-index-phrases-help)))
1921 ((equal char ?\C-r)
1922 ;; Recursive edit
1923 (save-match-data
1924 (save-excursion
49275d55 1925 (message "%s"
3666daf6
CD
1926 (substitute-command-keys
1927 "Recursive edit. Resume with \\[exit-recursive-edit]"))
1928 (recursive-edit))))
1929 ((equal char ?e)
1930 (setq rpl (read-string "Edit: " rpl)))
1931 ((equal char ?0)
1932 (setq ckey (or index-key phrase)
1933 rpl (save-match-data
1934 (reftex-index-make-replace-string
1935 macro-fmt match ckey repeat mathp))))
1936 ((and (> char ?0)
1937 (<= char (+ ?0 nkeys)))
1938 (setq ckey (nth (1- (- char ?0)) index-keys)
1939 rpl (save-match-data
1940 (reftex-index-make-replace-string
1941 macro-fmt match ckey repeat mathp))))
1942 (t (ding)))
1943 nil)))))
7c4d13cc 1944 (message "")
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CD
1945 (move-marker beg nil)
1946 (move-marker end nil)
7c4d13cc
CD
1947 (setq all-yes nil)
1948 (reftex-unhighlight 0))))
1949
1950(defun reftex-index-phrase-match-is-indexed (beg end)
f3c18bd0 1951 ;; Check if match is in an argument of an index macro, or if an
3666daf6 1952 ;; index macro is directly attached to the match.
7c4d13cc
CD
1953 (save-excursion
1954 (goto-char end)
3666daf6 1955 (let* ((all-macros (reftex-what-macro t))
7b07114a 1956; (this-macro (car (car all-macros)))
3666daf6
CD
1957 (before-macro
1958 (and (> beg 2)
1959 (goto-char (1- beg))
1960 (memq (char-after (point)) '(?\] ?\}))
1961 (car (reftex-what-macro 1))))
1962 (after-macro
1963 (and (goto-char end)
1964 (looking-at "\\(\\\\[a-zA-Z]+\\*?\\)[[{]")
1965 (match-string 1)))
1966 macro)
1967 (or (catch 'matched
1968 (while (setq macro (pop all-macros))
1969 (if (member (car macro) reftex-macros-with-index)
1970 (throw 'matched t)))
1971 nil)
1972 (and before-macro
1973 (member before-macro reftex-macros-with-index))
1974 (and after-macro
1975 (member after-macro reftex-macros-with-index))))))
db95369b 1976
7c4d13cc
CD
1977(defun reftex-index-phrases-fixup-line (beg end)
1978 "Insert newlines before BEG and/or after END to shorten line."
1979 (let (bol eol space1 space2)
1980 (save-excursion
1981 ;; Find line boundaries and possible line breaks near BEG and END
1982 (beginning-of-line)
1983 (setq bol (point))
1984 (end-of-line)
1985 (setq eol (point))
1986 (goto-char beg)
1987 (skip-chars-backward "^ \n")
1988 (if (and (equal (preceding-char) ?\ )
3666daf6
CD
1989 (string-match "\\S-" (buffer-substring bol (point))))
1990 (setq space1 (1- (point))))
7c4d13cc
CD
1991 (goto-char end)
1992 (skip-chars-forward "^ \n")
1993 (if (and (equal (following-char) ?\ )
3666daf6
CD
1994 (string-match "\\S-" (buffer-substring (point) eol)))
1995 (setq space2 (point)))
7c4d13cc
CD
1996 ;; Now check what we have and insert the newlines
1997 (if (<= (- eol bol) fill-column)
3666daf6
CD
1998 ;; Line is already short
1999 nil
2000 (cond
2001 ((and (not space1) (not space2))) ; No spaces available
2002 ((not space2) ; Do space1
2003 (reftex-index-phrases-replace-space space1))
2004 ((not space1) ; Do space2
2005 (reftex-index-phrases-replace-space space2))
2006 (t ; We have both spaces
2007 (let ((l1 (- space1 bol))
2008 (l2 (- space2 space1))
2009 (l3 (- eol space2)))
2010 (if (> l2 fill-column)
2011 ;; The central part alone is more than one line
2012 (progn
2013 (reftex-index-phrases-replace-space space1)
2014 (reftex-index-phrases-replace-space space2))
2015 (if (> (+ l1 l2) fill-column)
2016 ;; Need to split beginning
2017 (reftex-index-phrases-replace-space space1))
2018 (if (> (+ l2 l3) fill-column)
2019 ;; Need to split end
2020 (reftex-index-phrases-replace-space space2))))))))))
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2021
2022(defun reftex-index-phrases-replace-space (pos)
2023 "If there is a space at POS, replace it with a newline char.
2024Does not do a save-excursion."
2025 (when (equal (char-after pos) ?\ )
2026 (goto-char pos)
2027 (delete-char 1)
2028 (insert "\n")))
2029
2030(defun reftex-index-select-phrases-macro (&optional delay)
2031 "Offer a list of possible index macros and have the user select one."
2032 (let* ((prompt (concat "Select macro: ["
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2033 (mapconcat (lambda (x) (char-to-string (car x)))
2034 reftex-index-phrases-macro-data "")
2035 "] "))
2036 (help (concat "Select an indexing macro\n========================\n"
2037 (mapconcat (lambda (x)
2038 (format " [%c] %s"
2039 (car x) (nth 1 x)))
2040 reftex-index-phrases-macro-data "\n"))))
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2041 (reftex-select-with-char prompt help delay)))
2042
2043;; Keybindings and Menu for phrases buffer
2044
2045(loop for x in
2046 '(("\C-c\C-c" . reftex-index-phrases-save-and-return)
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2047 ("\C-c\C-x" . reftex-index-this-phrase)
2048 ("\C-c\C-f" . reftex-index-next-phrase)
2049 ("\C-c\C-r" . reftex-index-region-phrases)
2050 ("\C-c\C-a" . reftex-index-all-phrases)
2051 ("\C-c\C-d" . reftex-index-remaining-phrases)
2052 ("\C-c\C-s" . reftex-index-sort-phrases)
2053 ("\C-c\C-n" . reftex-index-new-phrase)
2054 ("\C-c\C-m" . reftex-index-phrases-set-macro-key)
2055 ("\C-c\C-i" . reftex-index-phrases-info)
2056 ("\C-c\C-t" . reftex-index-find-next-conflict-phrase)
2057 ("\C-i" . self-insert-command))
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2058 do (define-key reftex-index-phrases-map (car x) (cdr x)))
2059
49275d55 2060(easy-menu-define
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2061 reftex-index-phrases-menu reftex-index-phrases-map
2062 "Menu for Phrases buffer"
2063 '("Phrases"
2064 ["New Phrase" reftex-index-new-phrase t]
2065 ["Set Phrase Macro" reftex-index-phrases-set-macro-key t]
2066 ["Recreate File Header" reftex-index-initialize-phrases-buffer t]
2067 "--"
2068 ("Sort Phrases"
2069 ["Sort" reftex-index-sort-phrases t]
2070 "--"
2071 "Sort Options"
2072 ["by Search Phrase" (setq reftex-index-phrases-sort-prefers-entry nil)
2073 :style radio :selected (not reftex-index-phrases-sort-prefers-entry)]
2074 ["by Index Entry" (setq reftex-index-phrases-sort-prefers-entry t)
2075 :style radio :selected reftex-index-phrases-sort-prefers-entry]
2076 ["in Blocks" (setq reftex-index-phrases-sort-in-blocks
3666daf6 2077 (not reftex-index-phrases-sort-in-blocks))
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2078 :style toggle :selected reftex-index-phrases-sort-in-blocks])
2079 ["Describe Phrase" reftex-index-phrases-info t]
2080 ["Next Phrase Conflict" reftex-index-find-next-conflict-phrase t]
2081 "--"
2082 ("Find and Index in Document"
2083 ["Current Phrase" reftex-index-this-phrase t]
2084 ["Next Phrase" reftex-index-next-phrase t]
2085 ["Current and Following" reftex-index-remaining-phrases t]
2086 ["Region Phrases" reftex-index-region-phrases t]
2087 ["All Phrases" reftex-index-all-phrases t]
2088 "--"
2089 "Options"
2090 ["Match Whole Words" (setq reftex-index-phrases-search-whole-words
3666daf6 2091 (not reftex-index-phrases-search-whole-words))
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2092 :style toggle :selected reftex-index-phrases-search-whole-words]
2093 ["Case Sensitive Search" (setq reftex-index-phrases-case-fold-search
3666daf6 2094 (not reftex-index-phrases-case-fold-search))
7c4d13cc 2095 :style toggle :selected (not
3666daf6 2096 reftex-index-phrases-case-fold-search)]
7c4d13cc 2097 ["Wrap Long Lines" (setq reftex-index-phrases-wrap-long-lines
3666daf6 2098 (not reftex-index-phrases-wrap-long-lines))
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2099 :style toggle :selected reftex-index-phrases-wrap-long-lines]
2100 ["Skip Indexed Matches" (setq reftex-index-phrases-skip-indexed-matches
3666daf6 2101 (not reftex-index-phrases-skip-indexed-matches))
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2102 :style toggle :selected reftex-index-phrases-skip-indexed-matches])
2103 "--"
2104 ["Save and Return" reftex-index-phrases-save-and-return t]))
2105
2106
cbee283d 2107;; arch-tag: 4b2362af-c156-42c1-8932-ea2823e205c1
1a9461d0 2108;;; reftex-index.el ends here