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c0274f38 | 1 | ;;; abbrev.el --- abbrev mode commands for Emacs |
e2fbf49d | 2 | |
e5167999 | 3 | ;; Copyright (C) 1985, 1986, 1987, 1992 Free Software Foundation, Inc. |
e2fbf49d | 4 | |
3a801d0c ER |
5 | ;; Maintainer: FSF |
6 | ||
e2fbf49d JB |
7 | ;; This file is part of GNU Emacs. |
8 | ||
9 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
10 | ;; it under the terms of the GNU General Public License as published by | |
e5167999 | 11 | ;; the Free Software Foundation; either version 2, or (at your option) |
e2fbf49d JB |
12 | ;; any later version. |
13 | ||
14 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;; GNU General Public License for more details. | |
18 | ||
19 | ;; You should have received a copy of the GNU General Public License | |
20 | ;; along with GNU Emacs; see the file COPYING. If not, write to | |
21 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | ||
e5167999 | 23 | ;;; Code: |
e2fbf49d | 24 | |
e2fbf49d JB |
25 | (defconst only-global-abbrevs nil "\ |
26 | *t means user plans to use global abbrevs only. | |
27 | Makes the commands to define mode-specific abbrevs define global ones instead.") | |
28 | ||
29 | (defun abbrev-mode (arg) | |
30 | "Toggle abbrev mode. | |
31 | With arg, turn abbrev mode on iff arg is positive. | |
32 | In abbrev mode, inserting an abbreviation causes it to expand | |
33 | and be replaced by its expansion." | |
34 | (interactive "P") | |
35 | (setq abbrev-mode | |
36 | (if (null arg) (not abbrev-mode) | |
37 | (> (prefix-numeric-value arg) 0))) | |
38 | (set-buffer-modified-p (buffer-modified-p))) ;No-op, but updates mode line. | |
39 | \f | |
40 | (defvar edit-abbrevs-map nil | |
41 | "Keymap used in edit-abbrevs.") | |
42 | (if edit-abbrevs-map | |
43 | nil | |
44 | (setq edit-abbrevs-map (make-sparse-keymap)) | |
45 | (define-key edit-abbrevs-map "\C-x\C-s" 'edit-abbrevs-redefine) | |
46 | (define-key edit-abbrevs-map "\C-c\C-c" 'edit-abbrevs-redefine)) | |
47 | ||
48 | (defun kill-all-abbrevs () | |
49 | "Undefine all defined abbrevs." | |
50 | (interactive) | |
51 | (let ((tables abbrev-table-name-list)) | |
52 | (while tables | |
53 | (clear-abbrev-table (symbol-value (car tables))) | |
54 | (setq tables (cdr tables))))) | |
55 | ||
56 | (defun insert-abbrevs () | |
57 | "Insert after point a description of all defined abbrevs. | |
58 | Mark is set after the inserted text." | |
59 | (interactive) | |
60 | (push-mark | |
61 | (save-excursion | |
62 | (let ((tables abbrev-table-name-list)) | |
63 | (while tables | |
64 | (insert-abbrev-table-description (car tables) t) | |
65 | (setq tables (cdr tables)))) | |
66 | (point)))) | |
67 | ||
68 | (defun list-abbrevs () | |
69 | "Display a list of all defined abbrevs." | |
70 | (interactive) | |
71 | (display-buffer (prepare-abbrev-list-buffer))) | |
72 | ||
73 | (defun prepare-abbrev-list-buffer () | |
74 | (save-excursion | |
75 | (set-buffer (get-buffer-create "*Abbrevs*")) | |
76 | (erase-buffer) | |
77 | (let ((tables abbrev-table-name-list)) | |
78 | (while tables | |
79 | (insert-abbrev-table-description (car tables) t) | |
80 | (setq tables (cdr tables)))) | |
81 | (goto-char (point-min)) | |
82 | (set-buffer-modified-p nil) | |
83 | (edit-abbrevs-mode)) | |
84 | (get-buffer-create "*Abbrevs*")) | |
85 | ||
86 | (defun edit-abbrevs-mode () | |
87 | "Major mode for editing the list of abbrev definitions. | |
88 | \\{edit-abbrevs-map}" | |
89 | (interactive) | |
90 | (setq major-mode 'edit-abbrevs-mode) | |
91 | (setq mode-name "Edit-Abbrevs") | |
92 | (use-local-map edit-abbrevs-map)) | |
93 | ||
94 | (defun edit-abbrevs () | |
95 | "Alter abbrev definitions by editing a list of them. | |
96 | Selects a buffer containing a list of abbrev definitions. | |
97 | You can edit them and type \\<edit-abbrevs-map>\\[edit-abbrevs-redefine] to redefine abbrevs | |
98 | according to your editing. | |
99 | Buffer contains a header line for each abbrev table, | |
100 | which is the abbrev table name in parentheses. | |
101 | This is followed by one line per abbrev in that table: | |
102 | NAME USECOUNT EXPANSION HOOK | |
103 | where NAME and EXPANSION are strings with quotes, | |
104 | USECOUNT is an integer, and HOOK is any valid function | |
105 | or may be omitted (it is usually omitted)." | |
106 | (interactive) | |
107 | (switch-to-buffer (prepare-abbrev-list-buffer))) | |
108 | ||
109 | (defun edit-abbrevs-redefine () | |
110 | "Redefine abbrevs according to current buffer contents." | |
111 | (interactive) | |
112 | (define-abbrevs t) | |
113 | (set-buffer-modified-p nil)) | |
114 | ||
115 | (defun define-abbrevs (&optional arg) | |
116 | "Define abbrevs according to current visible buffer contents. | |
117 | See documentation of `edit-abbrevs' for info on the format of the | |
118 | text you must have in the buffer. | |
119 | With argument, eliminate all abbrev definitions except | |
120 | the ones defined from the buffer now." | |
121 | (interactive "P") | |
122 | (if arg (kill-all-abbrevs)) | |
123 | (save-excursion | |
124 | (goto-char (point-min)) | |
125 | (while (and (not (eobp)) (re-search-forward "^(" nil t)) | |
126 | (let* ((buf (current-buffer)) | |
127 | (table (read buf)) | |
128 | abbrevs) | |
129 | (forward-line 1) | |
130 | (while (progn (forward-line 1) | |
131 | (not (eolp))) | |
132 | (setq name (read buf) count (read buf) exp (read buf)) | |
133 | (skip-chars-backward " \t\n\f") | |
134 | (setq hook (if (not (eolp)) (read buf))) | |
135 | (skip-chars-backward " \t\n\f") | |
136 | (setq abbrevs (cons (list name exp hook count) abbrevs))) | |
137 | (define-abbrev-table table abbrevs))))) | |
138 | ||
139 | (defun read-abbrev-file (&optional file quietly) | |
140 | "Read abbrev definitions from file written with `write-abbrev-file'. | |
141 | Optional argument FILE is the name of the file to read; | |
142 | it defaults to the value of `abbrev-file-name'. | |
143 | Optional second argument QUIETLY non-nil means don't print anything." | |
144 | (interactive "fRead abbrev file: ") | |
145 | (load (if (and file (> (length file) 0)) file abbrev-file-name) | |
146 | nil quietly) | |
147 | (setq save-abbrevs t abbrevs-changed nil)) | |
148 | ||
149 | (defun quietly-read-abbrev-file (&optional file) | |
150 | "Read abbrev definitions from file written with write-abbrev-file. | |
151 | Optional argument FILE is the name of the file to read; | |
152 | it defaults to the value of `abbrev-file-name'. | |
153 | Does not print anything." | |
154 | ;(interactive "fRead abbrev file: ") | |
155 | (read-abbrev-file file t)) | |
156 | ||
157 | (defun write-abbrev-file (file) | |
e5167999 | 158 | "Write all abbrev definitions to a file of Lisp code. |
e2fbf49d JB |
159 | The file written can be loaded in another session to define the same abbrevs. |
160 | The argument FILE is the file name to write." | |
161 | (interactive | |
162 | (list | |
163 | (read-file-name "Write abbrev file: " | |
164 | (file-name-directory (expand-file-name abbrev-file-name)) | |
165 | abbrev-file-name))) | |
e2fbf49d JB |
166 | (or (and file (> (length file) 0)) |
167 | (setq file abbrev-file-name)) | |
168 | (save-excursion | |
169 | (set-buffer (get-buffer-create " write-abbrev-file")) | |
170 | (erase-buffer) | |
171 | (let ((tables abbrev-table-name-list)) | |
172 | (while tables | |
173 | (insert-abbrev-table-description (car tables) nil) | |
174 | (setq tables (cdr tables)))) | |
175 | (write-region 1 (point-max) file) | |
176 | (erase-buffer))) | |
177 | \f | |
178 | (defun add-mode-abbrev (arg) | |
179 | "Define mode-specific abbrev for last word(s) before point. | |
180 | Argument is how many words before point form the expansion; | |
181 | or zero means the region is the expansion. | |
182 | A negative argument means to undefine the specified abbrev. | |
183 | Reads the abbreviation in the minibuffer. | |
184 | ||
185 | Don't use this function in a Lisp program; use `define-abbrev' instead." | |
186 | (interactive "p") | |
187 | (add-abbrev | |
188 | (if only-global-abbrevs | |
189 | global-abbrev-table | |
190 | (or local-abbrev-table | |
191 | (error "No per-mode abbrev table"))) | |
192 | "Mode" arg)) | |
193 | ||
194 | (defun add-global-abbrev (arg) | |
195 | "Define global (all modes) abbrev for last word(s) before point. | |
196 | The prefix argument specifies the number of words before point that form the | |
197 | expansion; or zero means the region is the expansion. | |
198 | A negative argument means to undefine the specified abbrev. | |
199 | This command uses the minibuffer to read the abbreviation. | |
200 | ||
201 | Don't use this function in a Lisp program; use `define-abbrev' instead." | |
202 | (interactive "p") | |
203 | (add-abbrev global-abbrev-table "Global" arg)) | |
204 | ||
205 | (defun add-abbrev (table type arg) | |
206 | (let ((exp (and (>= arg 0) | |
207 | (buffer-substring | |
208 | (point) | |
209 | (if (= arg 0) (mark) | |
210 | (save-excursion (forward-word (- arg)) (point)))))) | |
211 | name) | |
212 | (setq name | |
213 | (read-string (format (if exp "%s abbrev for \"%s\": " | |
214 | "Undefine %s abbrev: ") | |
215 | type exp))) | |
216 | (if (or (null exp) | |
217 | (not (abbrev-expansion name table)) | |
218 | (y-or-n-p (format "%s expands to \"%s\"; redefine? " | |
219 | name (abbrev-expansion name table)))) | |
220 | (define-abbrev table (downcase name) exp)))) | |
221 | ||
222 | (defun inverse-add-mode-abbrev (arg) | |
223 | "Define last word before point as a mode-specific abbrev. | |
224 | With prefix argument N, defines the Nth word before point. | |
225 | This command uses the minibuffer to read the expansion. | |
226 | Expands the abbreviation after defining it." | |
227 | (interactive "p") | |
228 | (inverse-add-abbrev | |
229 | (if only-global-abbrevs | |
230 | global-abbrev-table | |
231 | (or local-abbrev-table | |
232 | (error "No per-mode abbrev table"))) | |
233 | "Mode" arg)) | |
234 | ||
235 | (defun inverse-add-global-abbrev (arg) | |
236 | "Define last word before point as a global (mode-independent) abbrev. | |
237 | With prefix argument N, defines the Nth word before point. | |
238 | This command uses the minibuffer to read the expansion. | |
239 | Expands the abbreviation after defining it." | |
240 | (interactive "p") | |
241 | (inverse-add-abbrev global-abbrev-table "Global" arg)) | |
242 | ||
243 | (defun inverse-add-abbrev (table type arg) | |
244 | (let (name nameloc exp) | |
245 | (save-excursion | |
246 | (forward-word (- arg)) | |
247 | (setq name (buffer-substring (point) (progn (forward-word 1) | |
248 | (setq nameloc (point)))))) | |
249 | (setq exp (read-string (format "%s expansion for \"%s\": " | |
250 | type name))) | |
251 | (if (or (not (abbrev-expansion name table)) | |
252 | (y-or-n-p (format "%s expands to \"%s\"; redefine? " | |
253 | name (abbrev-expansion name table)))) | |
254 | (progn | |
255 | (define-abbrev table (downcase name) exp) | |
256 | (save-excursion | |
257 | (goto-char nameloc) | |
258 | (expand-abbrev)))))) | |
259 | ||
260 | (defun abbrev-prefix-mark (&optional arg) | |
261 | "Mark current point as the beginning of an abbrev. | |
262 | Abbrev to be expanded starts here rather than at beginning of word. | |
263 | This way, you can expand an abbrev with a prefix: insert the prefix, | |
264 | use this command, then insert the abbrev." | |
265 | (interactive "P") | |
266 | (or arg (expand-abbrev)) | |
267 | (setq abbrev-start-location (point-marker) | |
268 | abbrev-start-location-buffer (current-buffer)) | |
269 | (insert "-")) | |
270 | ||
271 | (defun expand-region-abbrevs (start end &optional noquery) | |
272 | "For abbrev occurrence in the region, offer to expand it. | |
273 | The user is asked to type y or n for each occurrence. | |
274 | A prefix argument means don't query; expand all abbrevs. | |
275 | If called from a Lisp program, arguments are START END &optional NOQUERY." | |
276 | (interactive "r\nP") | |
277 | (save-excursion | |
278 | (goto-char start) | |
279 | (let ((lim (- (point-max) end)) | |
280 | pnt string) | |
281 | (while (and (not (eobp)) | |
282 | (progn (forward-word 1) | |
283 | (<= (setq pnt (point)) (- (point-max) lim)))) | |
284 | (if (abbrev-expansion | |
285 | (setq string | |
286 | (buffer-substring | |
287 | (save-excursion (forward-word -1) (point)) | |
288 | pnt))) | |
289 | (if (or noquery (y-or-n-p (format "Expand `%s'? " string))) | |
290 | (expand-abbrev))))))) | |
c0274f38 ER |
291 | |
292 | ;;; abbrev.el ends here |