(require 'cl))
(defgroup ecomplete nil
- "Suppression of duplicate articles."
+ "Electric completion of email addresses and the like."
:group 'mail)
(defcustom ecomplete-database-file "~/.ecompleterc"
:group 'ecomplete
:type 'file)
+(defcustom ecomplete-database-file-coding-system 'iso-2022-7bit
+ "Coding system used for writing the ecomplete database file."
+ :type '(repeat (symbol :tag "Coding system"))
+ :group 'ecomplete)
+
;;; Internal variables.
(defvar ecomplete-database nil)
+;;;###autoload
(defun ecomplete-setup ()
(when (file-exists-p ecomplete-database-file)
(with-temp-buffer
- (insert-file-contents ecomplete-database-file)
- (setq ecomplete-database (read (current-buffer))))
- (save-excursion
- (loop for (type . elems) in ecomplete-database
- do (let ((buffer (get-buffer-create
- (format " *ecomplete %s*" type))))
- (set-buffer buffer)
- (erase-buffer)
- (loop for (key count time text) in elems
- do (insert text "\n")))))))
+ (let ((coding-system-for-read ecomplete-database-file-coding-system))
+ (insert-file-contents ecomplete-database-file)
+ (setq ecomplete-database (read (current-buffer)))))))
(defun ecomplete-add-item (type key text)
(let ((elems (assq type ecomplete-database))
(defun ecomplete-save ()
(with-temp-buffer
- (insert "(")
- (loop for (type . elems) in ecomplete-database
- do
- (insert (format "(%s\n" type))
- (dolist (entry elems)
- (prin1 entry (current-buffer))
- (insert "\n"))
- (insert ")\n"))
- (insert ")")
- (write-region (point-min) (point-max) ecomplete-database-file nil 'silent)))
+ (let ((coding-system-for-write ecomplete-database-file-coding-system))
+ (insert "(")
+ (loop for (type . elems) in ecomplete-database
+ do
+ (insert (format "(%s\n" type))
+ (dolist (entry elems)
+ (prin1 entry (current-buffer))
+ (insert "\n"))
+ (insert ")\n"))
+ (insert ")")
+ (write-region (point-min) (point-max)
+ ecomplete-database-file nil 'silent))))
+
+(defun ecomplete-get-matches (type match)
+ (let* ((elems (cdr (assq type ecomplete-database)))
+ (match (regexp-quote match))
+ (candidates
+ (sort
+ (loop for (key count time text) in elems
+ when (string-match match text)
+ collect (list count time text))
+ (lambda (l1 l2)
+ (> (car l1) (car l2))))))
+ (when (> (length candidates) 10)
+ (setcdr (nthcdr 10 candidates) nil))
+ (unless (zerop (length candidates))
+ (with-temp-buffer
+ (dolist (candidate candidates)
+ (insert (caddr candidate) "\n"))
+ (goto-char (point-min))
+ (put-text-property (point) (1+ (point)) 'ecomplete t)
+ (while (re-search-forward match nil t)
+ (put-text-property (match-beginning 0) (match-end 0)
+ 'face 'isearch))
+ (buffer-string)))))
+
+(defun ecomplete-display-matches (type word &optional choose)
+ (let* ((matches (ecomplete-get-matches type word))
+ (line 0)
+ (max-lines (when matches (- (length (split-string matches "\n")) 2)))
+ (message-log-max nil)
+ command highlight)
+ (if (not matches)
+ (progn
+ (message "No ecomplete matches")
+ nil)
+ (if (not choose)
+ (progn
+ (message matches)
+ nil)
+ (setq highlight (ecomplete-highlight-match-line matches line))
+ (while (not (memq (setq command (read-event highlight)) '(? return)))
+ (cond
+ ((eq command ?\M-n)
+ (setq line (min (1+ line) max-lines)))
+ ((eq command ?\M-p)
+ (setq line (max (1- line) 0))))
+ (setq highlight (ecomplete-highlight-match-line matches line)))
+ (when (eq command 'return)
+ (nth line (split-string matches "\n")))))))
+
+(defun ecomplete-highlight-match-line (matches line)
+ (with-temp-buffer
+ (insert matches)
+ (goto-char (point-min))
+ (forward-line line)
+ (save-restriction
+ (narrow-to-region (point) (line-end-position))
+ (while (not (eobp))
+ ;; Put the 'region face on any charactes on this line that
+ ;; aren't already highlighted.
+ (unless (get-text-property (point) 'face)
+ (put-text-property (point) (1+ (point)) 'face 'region))
+ (forward-char 1)))
+ (buffer-string)))
(provide 'ecomplete)
+;; arch-tag: 34622935-bb81-4711-a600-57b89c2ece72
;;; ecomplete.el ends here