1 ;;; ecomplete.el --- electric completion of addresses and the like
3 ;; Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software: you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation, either version 3 of the License, or
13 ;; (at your option) any later version.
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
31 (unless (fboundp 'with-no-warnings
)
32 (defmacro with-no-warnings
(&rest body
)
35 (defgroup ecomplete nil
36 "Electric completion of email addresses and the like."
39 (defcustom ecomplete-database-file
"~/.ecompleterc"
40 "*The name of the file to store the ecomplete data."
44 (defcustom ecomplete-database-file-coding-system
'iso-2022-7bit
45 "Coding system used for writing the ecomplete database file."
46 :type
'(symbol :tag
"Coding system")
49 ;;; Internal variables.
51 (defvar ecomplete-database nil
)
54 (defun ecomplete-setup ()
55 (when (file-exists-p ecomplete-database-file
)
57 (let ((coding-system-for-read ecomplete-database-file-coding-system
))
58 (insert-file-contents ecomplete-database-file
)
59 (setq ecomplete-database
(read (current-buffer)))))))
61 (defun ecomplete-add-item (type key text
)
62 (let ((elems (assq type ecomplete-database
))
63 (now (string-to-number
64 (format "%.0f" (if (and (fboundp 'float-time
)
65 (subrp (symbol-function 'float-time
)))
68 (time-to-seconds (current-time)))))))
71 (push (setq elems
(list type
)) ecomplete-database
))
72 (if (setq entry
(assoc key
(cdr elems
)))
73 (setcdr entry
(list (1+ (cadr entry
)) now text
))
74 (nconc elems
(list (list key
1 now text
))))))
76 (defun ecomplete-get-item (type key
)
77 (assoc key
(cdr (assq type ecomplete-database
))))
79 (defun ecomplete-save ()
81 (let ((coding-system-for-write ecomplete-database-file-coding-system
))
83 (loop for
(type . elems
) in ecomplete-database
85 (insert (format "(%s\n" type
))
87 (prin1 entry
(current-buffer))
91 (write-region (point-min) (point-max)
92 ecomplete-database-file nil
'silent
))))
94 (defun ecomplete-get-matches (type match
)
95 (let* ((elems (cdr (assq type ecomplete-database
)))
96 (match (regexp-quote match
))
99 (loop for
(key count time text
) in elems
100 when
(string-match match text
)
101 collect
(list count time text
))
103 (> (car l1
) (car l2
))))))
104 (when (> (length candidates
) 10)
105 (setcdr (nthcdr 10 candidates
) nil
))
106 (unless (zerop (length candidates
))
108 (dolist (candidate candidates
)
109 (insert (caddr candidate
) "\n"))
110 (goto-char (point-min))
111 (put-text-property (point) (1+ (point)) 'ecomplete t
)
112 (while (re-search-forward match nil t
)
113 (put-text-property (match-beginning 0) (match-end 0)
117 (defun ecomplete-display-matches (type word
&optional choose
)
118 (let* ((matches (ecomplete-get-matches type word
))
120 (max-lines (when matches
(- (length (split-string matches
"\n")) 2)))
121 (message-log-max nil
)
125 (message "No ecomplete matches")
129 (message "%s" matches
)
131 (setq highlight
(ecomplete-highlight-match-line matches line
))
132 (while (not (memq (setq command
(read-event highlight
)) '(? return
)))
135 (setq line
(min (1+ line
) max-lines
)))
137 (setq line
(max (1- line
) 0))))
138 (setq highlight
(ecomplete-highlight-match-line matches line
)))
139 (when (eq command
'return
)
140 (nth line
(split-string matches
"\n")))))))
142 (defun ecomplete-highlight-match-line (matches line
)
145 (goto-char (point-min))
148 (narrow-to-region (point) (point-at-eol))
150 ;; Put the 'region face on any characters on this line that
151 ;; aren't already highlighted.
152 (unless (get-text-property (point) 'face
)
153 (put-text-property (point) (1+ (point)) 'face
'highlight
))
159 ;;; ecomplete.el ends here