1 ;;; ecomplete.el --- electric completion of addresses and the like
3 ;; Copyright (C) 2006-2011 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/>.
30 (defgroup ecomplete nil
31 "Electric completion of email addresses and the like."
34 (defcustom ecomplete-database-file
"~/.ecompleterc"
35 "*The name of the file to store the ecomplete data."
39 (defcustom ecomplete-database-file-coding-system
'iso-2022-7bit
40 "Coding system used for writing the ecomplete database file."
41 :type
'(symbol :tag
"Coding system")
44 ;;; Internal variables.
46 (defvar ecomplete-database nil
)
49 (defun ecomplete-setup ()
50 (when (file-exists-p ecomplete-database-file
)
52 (let ((coding-system-for-read ecomplete-database-file-coding-system
))
53 (insert-file-contents ecomplete-database-file
)
54 (setq ecomplete-database
(read (current-buffer)))))))
56 (defun ecomplete-add-item (type key text
)
57 (let ((elems (assq type ecomplete-database
))
58 (now (string-to-number
59 (format "%.0f" (if (featurep 'emacs
)
65 (push (setq elems
(list type
)) ecomplete-database
))
66 (if (setq entry
(assoc key
(cdr elems
)))
67 (setcdr entry
(list (1+ (cadr entry
)) now text
))
68 (nconc elems
(list (list key
1 now text
))))))
70 (defun ecomplete-get-item (type key
)
71 (assoc key
(cdr (assq type ecomplete-database
))))
73 (defun ecomplete-save ()
75 (let ((coding-system-for-write ecomplete-database-file-coding-system
))
77 (loop for
(type . elems
) in ecomplete-database
79 (insert (format "(%s\n" type
))
81 (prin1 entry
(current-buffer))
85 (write-region (point-min) (point-max)
86 ecomplete-database-file nil
'silent
))))
88 (defun ecomplete-get-matches (type match
)
89 (let* ((elems (cdr (assq type ecomplete-database
)))
90 (match (regexp-quote match
))
93 (loop for
(key count time text
) in elems
94 when
(string-match match text
)
95 collect
(list count time text
))
97 (> (car l1
) (car l2
))))))
98 (when (> (length candidates
) 10)
99 (setcdr (nthcdr 10 candidates
) nil
))
100 (unless (zerop (length candidates
))
102 (dolist (candidate candidates
)
103 (insert (caddr candidate
) "\n"))
104 (goto-char (point-min))
105 (put-text-property (point) (1+ (point)) 'ecomplete t
)
106 (while (re-search-forward match nil t
)
107 (put-text-property (match-beginning 0) (match-end 0)
111 (defun ecomplete-display-matches (type word
&optional choose
)
112 (let* ((matches (ecomplete-get-matches type word
))
114 (max-lines (when matches
(- (length (split-string matches
"\n")) 2)))
115 (message-log-max nil
)
119 (message "No ecomplete matches")
123 (message "%s" matches
)
125 (setq highlight
(ecomplete-highlight-match-line matches line
))
126 (while (not (memq (setq command
(read-event highlight
)) '(? return
)))
129 (setq line
(min (1+ line
) max-lines
)))
131 (setq line
(max (1- line
) 0))))
132 (setq highlight
(ecomplete-highlight-match-line matches line
)))
133 (when (eq command
'return
)
134 (nth line
(split-string matches
"\n")))))))
136 (defun ecomplete-highlight-match-line (matches line
)
139 (goto-char (point-min))
142 (narrow-to-region (point) (point-at-eol))
144 ;; Put the 'region face on any characters on this line that
145 ;; aren't already highlighted.
146 (unless (get-text-property (point) 'face
)
147 (put-text-property (point) (1+ (point)) 'face
'highlight
))
153 ;;; ecomplete.el ends here