;;; goto-addr.el --- click to browse URL or to send to e-mail address
-;; Copyright (C) 1995, 2000, 2001, 2005 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 2000, 2001, 2002, 2003, 2004,
+;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
;; Author: Eric Ding <ericding@alum.mit.edu>
;; Maintainer: FSF
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; 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.
+;; the Free Software Foundation, either version 3 of the License, 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
;; 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., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
"A regular expression probably matching an e-mail address.")
(defvar goto-address-url-regexp
- (concat "\\<\\("
- (mapconcat 'identity
- (delete "mailto:" (copy-sequence thing-at-point-uri-schemes))
- "\\|")
- "\\)"
- thing-at-point-url-path-regexp)
+ (concat
+ "\\<\\("
+ (mapconcat 'identity
+ (delete "mailto:"
+ ;; Remove `data:', as it's not terribly useful to follow
+ ;; those. Leaving them causes `use Data::Dumper;' to be
+ ;; fontified oddly in Perl files.
+ (delete "data:"
+ (copy-sequence thing-at-point-uri-schemes)))
+ "\\|")
+ "\\)"
+ thing-at-point-url-path-regexp)
;; (concat "\\b\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|"
;; "telnet\\|wais\\):\\(//[-a-zA-Z0-9_.]+:"
;; "[0-9]*\\)?[-a-zA-Z0-9_=?#$@~`%&*+|\\/.,]*"
'goto-address-at-point)
(define-key m (kbd "C-c RET") 'goto-address-at-point)
m)
- "keymap to hold goto-addr's mouse key defs under highlighted URLs.")
+ "Keymap to hold goto-addr's mouse key defs under highlighted URLs.")
(defcustom goto-address-url-face 'bold
"Face to use for URLs."
:type 'face
:group 'goto-address)
+(defun goto-address-unfontify (start end)
+ "Remove `goto-address' fontification from the given region."
+ (dolist (overlay (overlays-in start end))
+ (if (overlay-get overlay 'goto-address)
+ (delete-overlay overlay))))
+
+(defvar goto-address-prog-mode)
+
(defun goto-address-fontify ()
"Fontify the URLs and e-mail addresses in the current buffer.
This function implements `goto-address-highlight-p'
and `goto-address-fontify-p'."
;; Clean up from any previous go.
- (dolist (overlay (overlays-in (point-min) (point-max)))
- (if (overlay-get overlay 'goto-address)
- (delete-overlay overlay)))
+ (goto-address-unfontify (point-min) (point-max))
(save-excursion
(let ((inhibit-point-motion-hooks t))
(goto-char (point-min))
- (if (or (eq t goto-address-fontify-maximum-size)
- (< (- (point-max) (point)) goto-address-fontify-maximum-size))
- (progn
- (while (re-search-forward goto-address-url-regexp nil t)
- (let* ((s (match-beginning 0))
- (e (match-end 0))
- (this-overlay (make-overlay s e)))
- (and goto-address-fontify-p
- (overlay-put this-overlay 'face goto-address-url-face))
- (overlay-put this-overlay 'evaporate t)
- (overlay-put this-overlay
- 'mouse-face goto-address-url-mouse-face)
- (overlay-put this-overlay
- 'help-echo "mouse-2, C-c RET: follow URL")
- (overlay-put this-overlay
- 'keymap goto-address-highlight-keymap)
- (overlay-put this-overlay 'goto-address t)))
- (goto-char (point-min))
- (while (re-search-forward goto-address-mail-regexp nil t)
- (let* ((s (match-beginning 0))
- (e (match-end 0))
- (this-overlay (make-overlay s e)))
- (and goto-address-fontify-p
- (overlay-put this-overlay 'face goto-address-mail-face))
- (overlay-put this-overlay 'evaporate t)
- (overlay-put this-overlay 'mouse-face
- goto-address-mail-mouse-face)
- (overlay-put this-overlay
- 'help-echo "mouse-2, C-c RET: mail this address")
- (overlay-put this-overlay
- 'keymap goto-address-highlight-keymap)
- (overlay-put this-overlay 'goto-address t))))))))
+ (when (or (eq t goto-address-fontify-maximum-size)
+ (< (- (point-max) (point)) goto-address-fontify-maximum-size))
+ (while (re-search-forward goto-address-url-regexp nil t)
+ (let* ((s (match-beginning 0))
+ (e (match-end 0))
+ this-overlay)
+ (when (or (not goto-address-prog-mode)
+ ;; This tests for both comment and string
+ ;; syntax.
+ (nth 8 (syntax-ppss)))
+ (setq this-overlay (make-overlay s e))
+ (and goto-address-fontify-p
+ (overlay-put this-overlay 'face goto-address-url-face))
+ (overlay-put this-overlay 'evaporate t)
+ (overlay-put this-overlay
+ 'mouse-face goto-address-url-mouse-face)
+ (overlay-put this-overlay 'follow-link t)
+ (overlay-put this-overlay
+ 'help-echo "mouse-2, C-c RET: follow URL")
+ (overlay-put this-overlay
+ 'keymap goto-address-highlight-keymap)
+ (overlay-put this-overlay 'goto-address t))))
+ (goto-char (point-min))
+ (while (re-search-forward goto-address-mail-regexp nil t)
+ (let* ((s (match-beginning 0))
+ (e (match-end 0))
+ this-overlay)
+ (when (or (not goto-address-prog-mode)
+ ;; This tests for both comment and string
+ ;; syntax.
+ (nth 8 (syntax-ppss)))
+ (setq this-overlay (make-overlay s e))
+ (and goto-address-fontify-p
+ (overlay-put this-overlay 'face goto-address-mail-face))
+ (overlay-put this-overlay 'evaporate t)
+ (overlay-put this-overlay 'mouse-face
+ goto-address-mail-mouse-face)
+ (overlay-put this-overlay 'follow-link t)
+ (overlay-put this-overlay
+ 'help-echo "mouse-2, C-c RET: mail this address")
+ (overlay-put this-overlay
+ 'keymap goto-address-highlight-keymap)
+ (overlay-put this-overlay 'goto-address t))))))))
+
+(defun goto-address-fontify-region (start end)
+ "Fontify URLs and e-mail addresses in the given region."
+ (save-excursion
+ (save-restriction
+ (let ((beg-line (progn (goto-char start) (line-beginning-position)))
+ (end-line (progn (goto-char end) (line-end-position))))
+ (narrow-to-region beg-line end-line)
+ (goto-address-fontify)))))
;; code to find and goto addresses; much of this has been blatantly
;; snarfed from browse-url.el
there, then load the URL at or before point."
(interactive (list last-input-event))
(save-excursion
- (if event (mouse-set-point event))
+ (if event (posn-set-point (event-end event)))
(let ((address (save-excursion (goto-address-find-address-at-point))))
(if (and address
(save-excursion
"Sets up goto-address functionality in the current buffer.
Allows user to use mouse/keyboard command to click to go to a URL
or to send e-mail.
-By default, goto-address binds to mouse-2 and C-c RET.
+By default, goto-address binds `goto-address-at-point' to mouse-2 and C-c RET
+only on URLs and e-mail addresses.
Also fontifies the buffer appropriately (see `goto-address-fontify-p' and
`goto-address-highlight-p' for more information)."
(interactive)
(if goto-address-highlight-p
(goto-address-fontify)))
+;;;###autoload(put 'goto-address 'safe-local-eval-function t)
+
+;;;###autoload
+(define-minor-mode goto-address-mode
+ "Minor mode to buttonize URLs and e-mail addresses in the current buffer."
+ nil
+ ""
+ nil
+ (if goto-address-mode
+ (jit-lock-register #'goto-address-fontify-region)
+ (jit-lock-unregister #'goto-address-fontify-region)
+ (save-restriction
+ (widen)
+ (goto-address-unfontify (point-min) (point-max)))))
+
+;;;###autoload
+(define-minor-mode goto-address-prog-mode
+ "Turn on `goto-address-mode', but only in comments and strings."
+ nil
+ ""
+ nil
+ (if goto-address-prog-mode
+ (jit-lock-register #'goto-address-fontify-region)
+ (jit-lock-unregister #'goto-address-fontify-region)
+ (save-restriction
+ (widen)
+ (goto-address-unfontify (point-min) (point-max)))))
(provide 'goto-addr)