1 ;;; ecomplete.el --- electric completion of addresses and the like
2 ;; Copyright (C) 2006 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; This file is part of GNU Emacs.
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
11 ;; the Free Software Foundation; either version 3, or (at your option)
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.
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 the
21 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 ;; Boston, MA 02110-1301, USA.
31 (defgroup ecomplete nil
32 "Electric completion of email addresses and the like."
35 (defcustom ecomplete-database-file
"~/.ecompleterc"
36 "*The name of the file to store the ecomplete data."
40 (defcustom ecomplete-database-file-coding-system
'iso-2022-7bit
41 "Coding system used for writing the ecomplete database file."
42 :type
'(symbol :tag
"Coding system")
45 ;;; Internal variables.
47 (defvar ecomplete-database nil
)
50 (defun ecomplete-setup ()
51 (when (file-exists-p ecomplete-database-file
)
53 (let ((coding-system-for-read ecomplete-database-file-coding-system
))
54 (insert-file-contents ecomplete-database-file
)
55 (setq ecomplete-database
(read (current-buffer)))))))
57 (defun ecomplete-add-item (type key text
)
58 (let ((elems (assq type ecomplete-database
))
59 (now (string-to-number
60 (format "%.0f" (time-to-seconds (current-time)))))
63 (push (setq elems
(list type
)) ecomplete-database
))
64 (if (setq entry
(assoc key
(cdr elems
)))
65 (setcdr entry
(list (1+ (cadr entry
)) now text
))
66 (nconc elems
(list (list key
1 now text
))))))
68 (defun ecomplete-get-item (type key
)
69 (assoc key
(cdr (assq type ecomplete-database
))))
71 (defun ecomplete-save ()
73 (let ((coding-system-for-write ecomplete-database-file-coding-system
))
75 (loop for
(type . elems
) in ecomplete-database
77 (insert (format "(%s\n" type
))
79 (prin1 entry
(current-buffer))
83 (write-region (point-min) (point-max)
84 ecomplete-database-file nil
'silent
))))
86 (defun ecomplete-get-matches (type match
)
87 (let* ((elems (cdr (assq type ecomplete-database
)))
88 (match (regexp-quote match
))
91 (loop for
(key count time text
) in elems
92 when
(string-match match text
)
93 collect
(list count time text
))
95 (> (car l1
) (car l2
))))))
96 (when (> (length candidates
) 10)
97 (setcdr (nthcdr 10 candidates
) nil
))
98 (unless (zerop (length candidates
))
100 (dolist (candidate candidates
)
101 (insert (caddr candidate
) "\n"))
102 (goto-char (point-min))
103 (put-text-property (point) (1+ (point)) 'ecomplete t
)
104 (while (re-search-forward match nil t
)
105 (put-text-property (match-beginning 0) (match-end 0)
109 (defun ecomplete-display-matches (type word
&optional choose
)
110 (let* ((matches (ecomplete-get-matches type word
))
112 (max-lines (when matches
(- (length (split-string matches
"\n")) 2)))
113 (message-log-max nil
)
117 (message "No ecomplete matches")
123 (setq highlight
(ecomplete-highlight-match-line matches line
))
124 (while (not (memq (setq command
(read-event highlight
)) '(? return
)))
127 (setq line
(min (1+ line
) max-lines
)))
129 (setq line
(max (1- line
) 0))))
130 (setq highlight
(ecomplete-highlight-match-line matches line
)))
131 (when (eq command
'return
)
132 (nth line
(split-string matches
"\n")))))))
134 (defun ecomplete-highlight-match-line (matches line
)
137 (goto-char (point-min))
140 (narrow-to-region (point) (point-at-eol))
142 ;; Put the 'region face on any charactes on this line that
143 ;; aren't already highlighted.
144 (unless (get-text-property (point) 'face
)
145 (put-text-property (point) (1+ (point)) 'face
'highlight
))
151 ;; arch-tag: 34622935-bb81-4711-a600-57b89c2ece72
152 ;;; ecomplete.el ends here