summaryrefslogtreecommitdiff
path: root/.emacs.d/org-7.4/lisp/org-macs.el
blob: 97a8fdc06e451312d4c9e762dda14ee6fb2eff79 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
;;; org-macs.el --- Top-level definitions for Org-mode

;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010
;;   Free Software Foundation, Inc.

;; Author: Carsten Dominik <carsten at orgmode dot org>
;; Keywords: outlines, hypermedia, calendar, wp
;; Homepage: http://orgmode.org
;; Version: 7.4
;;
;; This file is part of GNU Emacs.
;;
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;; Commentary:

;; This file contains macro definitions, defsubst definitions, other
;; stuff needed for compilation and top-level forms in Org-mode, as well
;; lots of small functions that are not org-mode specific but simply
;; generally useful stuff.

;;; Code:

(eval-and-compile
  (unless (fboundp 'declare-function)
    (defmacro declare-function (fn file &optional arglist fileonly))))

(declare-function org-add-props "org-compat" (string plist &rest props))
(declare-function org-string-match-p "org-compat" (&rest args))

(defmacro org-called-interactively-p (&optional kind)
  `(if (featurep 'xemacs)
       (interactive-p)
     (if (or (> emacs-major-version 23)
	     (and (>= emacs-major-version 23)
		  (>= emacs-minor-version 2)))
	 (with-no-warnings (called-interactively-p ,kind)) ;; defined with no argument in <=23.1
       (interactive-p))))

(if (and (not (fboundp 'with-silent-modifications))
	 (or (< emacs-major-version 23)
	     (and (= emacs-major-version 23)
		  (< emacs-minor-version 2))))
    (defmacro with-silent-modifications (&rest body)
      `(org-unmodified ,@body)))

(defmacro org-bound-and-true-p (var)
  "Return the value of symbol VAR if it is bound, else nil."
  `(and (boundp (quote ,var)) ,var))

(defun org-string-nw-p (s)
  "Is S a string with a non-white character?"
  (and (stringp s)
       (org-string-match-p "\\S-" s)
       s))

(defun org-not-nil (v)
  "If V not nil, and also not the string \"nil\", then return V.
Otherwise return nil."
  (and v (not (equal v "nil")) v))

(defmacro org-unmodified (&rest body)
  "Execute body without changing `buffer-modified-p'.
Also, do not record undo information."
  `(set-buffer-modified-p
    (prog1 (buffer-modified-p)
      (let ((buffer-undo-list t)
	    before-change-functions after-change-functions)
	,@body))))

(defmacro org-re (s)
  "Replace posix classes in regular expression."
  (if (featurep 'xemacs)
      (let ((ss s))
	(save-match-data
	  (while (string-match "\\[:alnum:\\]" ss)
	    (setq ss (replace-match "a-zA-Z0-9" t t ss)))
	  (while (string-match "\\[:word:\\]" ss)
	    (setq ss (replace-match "a-zA-Z0-9" t t ss)))
	  (while (string-match "\\[:alpha:\\]" ss)
	    (setq ss (replace-match "a-zA-Z" t t ss)))
	  (while (string-match "\\[:punct:\\]" ss)
	    (setq ss (replace-match "\001-@[-`{-~" t t ss)))
	  ss))
    s))

(defmacro org-preserve-lc (&rest body)
  `(let ((_line (org-current-line))
	 (_col (current-column)))
     (unwind-protect
	 (progn ,@body)
       (org-goto-line _line)
       (org-move-to-column _col))))

(defmacro org-without-partial-completion (&rest body)
  `(let ((pc-mode (and (boundp 'partial-completion-mode)
		       partial-completion-mode)))
     (unwind-protect
	 (progn
	   (if pc-mode (partial-completion-mode -1))
	   ,@body)
       (if pc-mode (partial-completion-mode 1)))))

(defmacro org-maybe-intangible (props)
  "Add '(intangible t) to PROPS if Emacs version is earlier than Emacs 22.
In Emacs 21, invisible text is not avoided by the command loop, so the
intangible property is needed to make sure point skips this text.
In Emacs 22, this is not necessary.  The intangible text property has
led to problems with flyspell.  These problems are fixed in flyspell.el,
but we still avoid setting the property in Emacs 22 and later.
We use a macro so that the test can happen at compilation time."
  (if (< emacs-major-version 22)
      `(append '(intangible t) ,props)
    props))

(defmacro org-with-point-at (pom &rest body)
  "Move to buffer and point of point-or-marker POM for the duration of BODY."
  `(save-excursion
     (if (markerp ,pom) (set-buffer (marker-buffer ,pom)))
     (save-excursion
       (goto-char (or ,pom (point)))
       ,@body)))
(put 'org-with-point-at 'lisp-indent-function 1)

(defmacro org-no-warnings (&rest body)
  (cons (if (fboundp 'with-no-warnings) 'with-no-warnings 'progn) body))

(defmacro org-if-unprotected (&rest body)
  "Execute BODY if there is no `org-protected' text property at point."
  `(unless (get-text-property (point) 'org-protected)
     ,@body))

(defmacro org-if-unprotected-1 (&rest body)
  "Execute BODY if there is no `org-protected' text property at point-1."
  `(unless (get-text-property (1- (point)) 'org-protected)
     ,@body))

(defmacro org-if-unprotected-at (pos &rest body)
  "Execute BODY if there is no `org-protected' text property at POS."
  `(unless (get-text-property ,pos 'org-protected)
     ,@body))
(put 'org-if-unprotected-at 'lisp-indent-function 1)

(defun org-re-search-forward-unprotected (&rest args)
  "Like re-search-forward, but stop only in unprotected places."
  (catch 'exit
    (while t
      (unless (apply 're-search-forward args)
	(throw 'exit nil))
      (unless (get-text-property (match-beginning 0) 'org-protected)
	(throw 'exit (point))))))

(defmacro org-with-remote-undo (_buffer &rest _body)
  "Execute BODY while recording undo information in two buffers."
  `(let ((_cline (org-current-line))
	 (_cmd this-command)
	 (_buf1 (current-buffer))
	 (_buf2 ,_buffer)
	 (_undo1 buffer-undo-list)
	 (_undo2 (with-current-buffer ,_buffer buffer-undo-list))
	 _c1 _c2)
     ,@_body
     (when org-agenda-allow-remote-undo
       (setq _c1 (org-verify-change-for-undo
		  _undo1 (with-current-buffer _buf1 buffer-undo-list))
	     _c2 (org-verify-change-for-undo
		  _undo2 (with-current-buffer _buf2 buffer-undo-list)))
       (when (or _c1 _c2)
	 ;; make sure there are undo boundaries
	 (and _c1 (with-current-buffer _buf1 (undo-boundary)))
	 (and _c2 (with-current-buffer _buf2 (undo-boundary)))
	 ;; remember which buffer to undo
	 (push (list _cmd _cline _buf1 _c1 _buf2 _c2)
	       org-agenda-undo-list)))))

(defmacro org-no-read-only (&rest body)
  "Inhibit read-only for BODY."
  `(let ((inhibit-read-only t)) ,@body))

(defconst org-rm-props '(invisible t face t keymap t intangible t mouse-face t
				   rear-nonsticky t mouse-map t fontified t
				   org-emphasis t)
  "Properties to remove when a string without properties is wanted.")

(defsubst org-match-string-no-properties (num &optional string)
  (if (featurep 'xemacs)
      (let ((s (match-string num string)))
	(and s (remove-text-properties 0 (length s) org-rm-props s))
	s)
    (match-string-no-properties num string)))

(defsubst org-no-properties (s)
  (if (fboundp 'set-text-properties)
      (set-text-properties 0 (length s) nil s)
    (remove-text-properties 0 (length s) org-rm-props s))
  s)

(defsubst org-get-alist-option (option key)
  (cond ((eq key t) t)
	((eq option t) t)
	((assoc key option) (cdr (assoc key option)))
	(t (cdr (assq 'default option)))))

(defsubst org-check-external-command (cmd &optional use no-error)
  "Check if external program CMD for USE exists, error if not.
When the program does exist, return its path.
When it does not exist and NO-ERROR is set, return nil.
Otherwise, throw an error.  The optional argument USE can describe what this
program is needed for, so that the error message can be more informative."
  (or (executable-find cmd)
      (if no-error
	  nil
	(error "Can't find `%s'%s" cmd
	       (if use (format " (%s)" use) "")))))

(defsubst org-inhibit-invisibility ()
  "Modified `buffer-invisibility-spec' for Emacs 21.
Some ops with invisible text do not work correctly on Emacs 21.  For these
we turn off invisibility temporarily.  Use this in a `let' form."
  (if (< emacs-major-version 22) nil buffer-invisibility-spec))

(defsubst org-set-local (var value)
  "Make VAR local in current buffer and set it to VALUE."
  (set (make-local-variable var) value))

(defsubst org-mode-p ()
  "Check if the current buffer is in Org-mode."
  (eq major-mode 'org-mode))

(defsubst org-last (list)
  "Return the last element of LIST."
  (car (last list)))

(defun org-let (list &rest body)
  (eval (cons 'let (cons list body))))
(put 'org-let 'lisp-indent-function 1)

(defun org-let2 (list1 list2 &rest body)
  (eval (cons 'let (cons list1 (list (cons 'let (cons list2 body)))))))
(put 'org-let2 'lisp-indent-function 2)

(defsubst org-call-with-arg (command arg)
  "Call COMMAND interactively, but pretend prefix arg was ARG."
  (let ((current-prefix-arg arg)) (call-interactively command)))

(defsubst org-current-line (&optional pos)
  (save-excursion
    (and pos (goto-char pos))
    ;; works also in narrowed buffer, because we start at 1, not point-min
    (+ (if (bolp) 1 0) (count-lines 1 (point)))))

(defsubst org-goto-line (N)
  (save-restriction
    (widen)
    (goto-char (point-min))
    (forward-line (1- N))))

(defsubst org-current-line-string (&optional to-here)
  (buffer-substring (point-at-bol) (if to-here (point) (point-at-eol))))

(defsubst org-pos-in-match-range (pos n)
  (and (match-beginning n)
       (<= (match-beginning n) pos)
       (>= (match-end n) pos)))

(defun org-autoload (file functions)
  "Establish autoload for all FUNCTIONS in FILE, if not bound already."
  (let ((d (format "Documentation will be available after `%s.el' is loaded."
		   file))
	f)
    (while (setq f (pop functions))
      (or (fboundp f) (autoload f file d t)))))

(defun org-match-line (re)
  "Looking-at at the beginning of the current line."
  (save-excursion
    (goto-char (point-at-bol))
    (looking-at re)))

(defun org-plist-delete (plist property)
  "Delete PROPERTY from PLIST.
This is in contrast to merely setting it to 0."
  (let (p)
    (while plist
      (if (not (eq property (car plist)))
	  (setq p (plist-put p (car plist) (nth 1 plist))))
      (setq plist (cddr plist)))
    p))

(defun org-replace-match-keep-properties (newtext &optional fixedcase
						  literal string)
  "Like `replace-match', but add the text properties found original text."
  (setq newtext (org-add-props newtext (text-properties-at
					(match-beginning 0) string)))
  (replace-match newtext fixedcase literal string))

(defmacro org-save-outline-visibility (use-markers &rest body)
  "Save and restore outline visibility around BODY.
If USE-MARKERS is non-nil, use markers for the positions.
This means that the buffer may change while running BODY,
but it also means that the buffer should stay alive
during the operation, because otherwise all these markers will
point nowhere."
  (declare (indent 1))
  `(let ((data (org-outline-overlay-data ,use-markers)))
     (unwind-protect
	 (progn
	   ,@body
	   (org-set-outline-overlay-data data))
       (when ,use-markers
	 (mapc (lambda (c)
		 (and (markerp (car c)) (move-marker (car c) nil))
		 (and (markerp (cdr c)) (move-marker (cdr c) nil)))
	       data)))))

(defmacro org-with-limited-levels (&rest body)
  "Execute BODY with limited number of outline levels."
  `(let* ((outline-regexp (org-get-limited-outline-regexp)))
     ,@body))

(defvar org-odd-levels-only) ; defined in org.el
(defvar org-inlinetask-min-level) ; defined in org-inlinetask.el
(defun org-get-limited-outline-regexp ()
  "Return outline-regexp with limited number of levels.
The number of levels is controlled by `org-inlinetask-min-level'"
  (if (or (not (org-mode-p)) (not (featurep 'org-inlinetask)))

      outline-regexp
    (let* ((limit-level (1- org-inlinetask-min-level))
	   (nstars (if org-odd-levels-only (1- (* limit-level 2)) limit-level)))
      (format "\\*\\{1,%d\\} " nstars))))

(provide 'org-macs)

;; arch-tag: 7e6a73ce-aac9-4fc0-9b30-ce6f89dc6668

;;; org-macs.el ends here