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- ;;; abbrev.el --- abbrev mode commands for Emacs
-
- ;; Copyright (C) 1985, 1986, 1987, 1992 Free Software Foundation, Inc.
-
- ;; Keywords: abbrev
-
- ;; 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 2, 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; see the file COPYING. If not, write to the
- ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- ;; Boston, MA 02111-1307, USA.
-
- ;;; Commentary:
-
- ;; This facility is documented in the Emacs Manual.
-
- ;;; Code:
-
- (defconst only-global-abbrevs nil "\
- *t means user plans to use global abbrevs only.
- Makes the commands to define mode-specific abbrevs define global ones instead.")
-
- (defun abbrev-mode (arg)
- "Toggle abbrev mode.
- With argument ARG, turn abbrev mode on iff ARG is positive.
- In abbrev mode, inserting an abbreviation causes it to expand
- and be replaced by its expansion."
- (interactive "P")
- (setq abbrev-mode
- (if (null arg) (not abbrev-mode)
- (> (prefix-numeric-value arg) 0)))
- (force-mode-line-update))
-
- (defvar edit-abbrevs-map nil
- "Keymap used in edit-abbrevs.")
- (if edit-abbrevs-map
- nil
- (setq edit-abbrevs-map (make-sparse-keymap))
- (define-key edit-abbrevs-map "\C-x\C-s" 'edit-abbrevs-redefine)
- (define-key edit-abbrevs-map "\C-c\C-c" 'edit-abbrevs-redefine))
-
- (defun kill-all-abbrevs ()
- "Undefine all defined abbrevs."
- (interactive)
- (let ((tables abbrev-table-name-list))
- (while tables
- (clear-abbrev-table (symbol-value (car tables)))
- (setq tables (cdr tables)))))
-
- (defun insert-abbrevs ()
- "Insert after point a description of all defined abbrevs.
- Mark is set after the inserted text."
- (interactive)
- (push-mark
- (save-excursion
- (let ((tables abbrev-table-name-list))
- (while tables
- (insert-abbrev-table-description (car tables) t)
- (setq tables (cdr tables))))
- (point))))
-
- (defun list-abbrevs ()
- "Display a list of all defined abbrevs."
- (interactive)
- (display-buffer (prepare-abbrev-list-buffer)))
-
- (defun prepare-abbrev-list-buffer ()
- (save-excursion
- (set-buffer (get-buffer-create "*Abbrevs*"))
- (erase-buffer)
- (let ((tables abbrev-table-name-list))
- (while tables
- (insert-abbrev-table-description (car tables) t)
- (setq tables (cdr tables))))
- (goto-char (point-min))
- (set-buffer-modified-p nil)
- (edit-abbrevs-mode))
- (get-buffer-create "*Abbrevs*"))
-
- (defun edit-abbrevs-mode ()
- "Major mode for editing the list of abbrev definitions.
- \\{edit-abbrevs-map}"
- (interactive)
- (setq major-mode 'edit-abbrevs-mode)
- (setq mode-name "Edit-Abbrevs")
- (use-local-map edit-abbrevs-map))
-
- (defun edit-abbrevs ()
- "Alter abbrev definitions by editing a list of them.
- Selects a buffer containing a list of abbrev definitions.
- You can edit them and type \\<edit-abbrevs-map>\\[edit-abbrevs-redefine] to redefine abbrevs
- according to your editing.
- Buffer contains a header line for each abbrev table,
- which is the abbrev table name in parentheses.
- This is followed by one line per abbrev in that table:
- NAME USECOUNT EXPANSION HOOK
- where NAME and EXPANSION are strings with quotes,
- USECOUNT is an integer, and HOOK is any valid function
- or may be omitted (it is usually omitted)."
- (interactive)
- (switch-to-buffer (prepare-abbrev-list-buffer)))
-
- (defun edit-abbrevs-redefine ()
- "Redefine abbrevs according to current buffer contents."
- (interactive)
- (define-abbrevs t)
- (set-buffer-modified-p nil))
-
- (defun define-abbrevs (&optional arg)
- "Define abbrevs according to current visible buffer contents.
- See documentation of `edit-abbrevs' for info on the format of the
- text you must have in the buffer.
- With argument, eliminate all abbrev definitions except
- the ones defined from the buffer now."
- (interactive "P")
- (if arg (kill-all-abbrevs))
- (save-excursion
- (goto-char (point-min))
- (while (and (not (eobp)) (re-search-forward "^(" nil t))
- (let* ((buf (current-buffer))
- (table (read buf))
- abbrevs name hook exp count)
- (forward-line 1)
- (while (progn (forward-line 1)
- (not (eolp)))
- (setq name (read buf) count (read buf) exp (read buf))
- (skip-chars-backward " \t\n\f")
- (setq hook (if (not (eolp)) (read buf)))
- (skip-chars-backward " \t\n\f")
- (setq abbrevs (cons (list name exp hook count) abbrevs)))
- (define-abbrev-table table abbrevs)))))
-
- (defun read-abbrev-file (&optional file quietly)
- "Read abbrev definitions from file written with `write-abbrev-file'.
- Optional argument FILE is the name of the file to read;
- it defaults to the value of `abbrev-file-name'.
- Optional second argument QUIETLY non-nil means don't print anything."
- (interactive "fRead abbrev file: ")
- (load (if (and file (> (length file) 0)) file abbrev-file-name)
- nil quietly)
- (setq save-abbrevs t abbrevs-changed nil))
-
- (defun quietly-read-abbrev-file (&optional file)
- "Read abbrev definitions from file written with write-abbrev-file.
- Optional argument FILE is the name of the file to read;
- it defaults to the value of `abbrev-file-name'.
- Does not print anything."
- ;(interactive "fRead abbrev file: ")
- (read-abbrev-file file t))
-
- (defun write-abbrev-file (file)
- "Write all abbrev definitions to a file of Lisp code.
- The file written can be loaded in another session to define the same abbrevs.
- The argument FILE is the file name to write."
- (interactive
- (list
- (read-file-name "Write abbrev file: "
- (file-name-directory (expand-file-name abbrev-file-name))
- abbrev-file-name)))
- (or (and file (> (length file) 0))
- (setq file abbrev-file-name))
- (save-excursion
- (set-buffer (get-buffer-create " write-abbrev-file"))
- (erase-buffer)
- (let ((tables abbrev-table-name-list))
- (while tables
- (insert-abbrev-table-description (car tables) nil)
- (setq tables (cdr tables))))
- (write-region 1 (point-max) file)
- (erase-buffer)))
-
- (defun add-mode-abbrev (arg)
- "Define mode-specific abbrev for last word(s) before point.
- Argument is how many words before point form the expansion;
- or zero means the region is the expansion.
- A negative argument means to undefine the specified abbrev.
- Reads the abbreviation in the minibuffer.
-
- Don't use this function in a Lisp program; use `define-abbrev' instead."
- (interactive "p")
- (add-abbrev
- (if only-global-abbrevs
- global-abbrev-table
- (or local-abbrev-table
- (error "No per-mode abbrev table")))
- "Mode" arg))
-
- (defun add-global-abbrev (arg)
- "Define global (all modes) abbrev for last word(s) before point.
- The prefix argument specifies the number of words before point that form the
- expansion; or zero means the region is the expansion.
- A negative argument means to undefine the specified abbrev.
- This command uses the minibuffer to read the abbreviation.
-
- Don't use this function in a Lisp program; use `define-abbrev' instead."
- (interactive "p")
- (add-abbrev global-abbrev-table "Global" arg))
-
- (defun add-abbrev (table type arg)
- (let ((exp (and (>= arg 0)
- (buffer-substring
- (point)
- (if (= arg 0) (mark)
- (save-excursion (forward-word (- arg)) (point))))))
- name)
- (setq name
- (read-string (format (if exp "%s abbrev for \"%s\": "
- "Undefine %s abbrev: ")
- type exp)))
- (set-text-properties 0 (length name) nil name)
- (if (or (null exp)
- (not (abbrev-expansion name table))
- (y-or-n-p (format "%s expands to \"%s\"; redefine? "
- name (abbrev-expansion name table))))
- (define-abbrev table (downcase name) exp))))
-
- (defun inverse-add-mode-abbrev (arg)
- "Define last word before point as a mode-specific abbrev.
- With prefix argument N, defines the Nth word before point.
- This command uses the minibuffer to read the expansion.
- Expands the abbreviation after defining it."
- (interactive "p")
- (inverse-add-abbrev
- (if only-global-abbrevs
- global-abbrev-table
- (or local-abbrev-table
- (error "No per-mode abbrev table")))
- "Mode" arg))
-
- (defun inverse-add-global-abbrev (arg)
- "Define last word before point as a global (mode-independent) abbrev.
- With prefix argument N, defines the Nth word before point.
- This command uses the minibuffer to read the expansion.
- Expands the abbreviation after defining it."
- (interactive "p")
- (inverse-add-abbrev global-abbrev-table "Global" arg))
-
- (defun inverse-add-abbrev (table type arg)
- (let (name nameloc exp)
- (save-excursion
- (forward-word (- arg))
- (setq name (buffer-substring (point) (progn (forward-word 1)
- (setq nameloc (point))))))
- (set-text-properties 0 (length name) nil name)
- (setq exp (read-string (format "%s expansion for \"%s\": "
- type name)))
- (if (or (not (abbrev-expansion name table))
- (y-or-n-p (format "%s expands to \"%s\"; redefine? "
- name (abbrev-expansion name table))))
- (progn
- (define-abbrev table (downcase name) exp)
- (save-excursion
- (goto-char nameloc)
- (expand-abbrev))))))
-
- (defun abbrev-prefix-mark (&optional arg)
- "Mark current point as the beginning of an abbrev.
- Abbrev to be expanded starts here rather than at beginning of word.
- This way, you can expand an abbrev with a prefix: insert the prefix,
- use this command, then insert the abbrev."
- (interactive "P")
- (or arg (expand-abbrev))
- (setq abbrev-start-location (point-marker)
- abbrev-start-location-buffer (current-buffer))
- (insert "-"))
-
- (defun expand-region-abbrevs (start end &optional noquery)
- "For abbrev occurrence in the region, offer to expand it.
- The user is asked to type y or n for each occurrence.
- A prefix argument means don't query; expand all abbrevs.
- If called from a Lisp program, arguments are START END &optional NOQUERY."
- (interactive "r\nP")
- (save-excursion
- (goto-char start)
- (let ((lim (- (point-max) end))
- pnt string)
- (while (and (not (eobp))
- (progn (forward-word 1)
- (<= (setq pnt (point)) (- (point-max) lim))))
- (if (abbrev-expansion
- (setq string
- (buffer-substring
- (save-excursion (forward-word -1) (point))
- pnt)))
- (if (or noquery (y-or-n-p (format "Expand `%s'? " string)))
- (expand-abbrev)))))))
-
- ;;; abbrev.el ends here
-