X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/7c6c3d8ebe68258f55b8c3787339da13d9db8e35..96fdce72bb41205baa8f82abb3580682035805db:/lisp/ansi-color.el diff --git a/lisp/ansi-color.el b/lisp/ansi-color.el index 10503df7ae..ce84af445a 100644 --- a/lisp/ansi-color.el +++ b/lisp/ansi-color.el @@ -1,11 +1,12 @@ ;;; ansi-color.el --- translate ANSI escape sequences into faces -;; Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc. +;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, +;; 2005 Free Software Foundation, Inc. ;; Author: Alex Schroeder ;; Maintainer: Alex Schroeder -;; Version: 3.4.0 -;; Keywords: comm processes +;; Version: 3.4.2 +;; Keywords: comm processes terminals services ;; This file is part of GNU Emacs. @@ -21,8 +22,8 @@ ;; ;; 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., 59 Temple Place - Suite 330, -;; Boston, MA 02111-1307, USA. +;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +;; Boston, MA 02110-1301, USA. ;;; Commentary: @@ -46,7 +47,6 @@ ;; ;; If you decide you like this, add the following to your .emacs file: ;; -;; (autoload 'ansi-color-for-comint-mode-on "ansi-color" nil t) ;; (add-hook 'shell-mode-hook 'ansi-color-for-comint-mode-on) ;; ;; SGR control sequences are defined in section 3.8.117 of the ECMA-48 @@ -86,6 +86,8 @@ ;;; Code: +(defvar comint-last-output-start) + ;; Customization (defgroup ansi-colors nil @@ -172,12 +174,12 @@ in shell buffers. You set this variable by calling one of: \\[ansi-color-for-comint-mode-on] \\[ansi-color-for-comint-mode-off] \\[ansi-color-for-comint-mode-filter]" - :version "20.8" :type '(choice (const :tag "Do nothing" nil) (const :tag "Filter" filter) (const :tag "Translate" t)) :group 'ansi-colors) +;;;###autoload (defun ansi-color-for-comint-mode-on () "Set `ansi-color-for-comint-mode' to t." (interactive) @@ -193,6 +195,7 @@ in shell buffers. You set this variable by calling one of: (interactive) (setq ansi-color-for-comint-mode 'filter)) +;;;###autoload (defun ansi-color-process-output (string) "Maybe translate SGR control sequences of comint output into text-properties. @@ -218,29 +221,15 @@ This is a good function to put in `comint-output-filter-functions'." 'ansi-color-process-output) -;; Alternative font-lock-unfontify-region-function - - -(eval-when-compile - ;; We use this to preserve or protect things when modifying text - ;; properties. Stolen from lazy-lock and font-lock. Ugly!!! - ;; Probably most of this is not needed? - (defmacro save-buffer-state (varlist &rest body) - "Bind variables according to VARLIST and eval BODY restoring buffer state." - (` (let* ((,@ (append varlist - '((modified (buffer-modified-p)) (buffer-undo-list t) - (inhibit-read-only t) (inhibit-point-motion-hooks t) - before-change-functions after-change-functions - deactivate-mark buffer-file-name buffer-file-truename)))) - (,@ body) - (when (and (not modified) (buffer-modified-p)) - (set-buffer-modified-p nil))))) - (put 'save-buffer-state 'lisp-indent-function 1)) +;; Alternative font-lock-unfontify-region-function for Emacs only (defun ansi-color-unfontify-region (beg end &rest xemacs-stuff) - "Replacement function for `font-lock-default-unfontify-region'. -When font-lock is active in a buffer, you cannot simply add face -text-properties to the buffer. Font-lock will remove the face + "Replacement function for `font-lock-default-unfontify-region'. + +As text-properties are implemented using extents in XEmacs, this +function is probably not needed. In Emacs, however, things are a bit +different: When font-lock is active in a buffer, you cannot simply add +face text-properties to the buffer. Font-lock will remove the face text-property using `font-lock-unfontify-region-function'. If you want to insert the strings returned by `ansi-color-apply' into such buffers, you must set `font-lock-unfontify-region-function' to @@ -256,21 +245,20 @@ A possible way to install this would be: \(function (lambda () \(setq font-lock-unfontify-region-function 'ansi-color-unfontify-region))))" - ;; save-buffer-state is a macro in font-lock.el! - (save-buffer-state nil - (when (boundp 'font-lock-syntactic-keywords) - (remove-text-properties beg end '(syntax-table nil))) - ;; instead of just using (remove-text-properties beg end '(face - ;; nil)), we find regions with a non-nil face test-property, skip - ;; positions with the ansi-color property set, and remove the - ;; remaining face test-properties. - (while (setq beg (text-property-not-all beg end 'face nil)) - (setq beg (or (text-property-not-all beg end 'ansi-color t) end)) - (when (get-text-property beg 'face) - (let ((end-face (or (text-property-any beg end 'face nil) - end))) - (remove-text-properties beg end-face '(face nil)) - (setq beg end-face)))))) + ;; Simplified now that font-lock-unfontify-region uses save-buffer-state. + (when (boundp 'font-lock-syntactic-keywords) + (remove-text-properties beg end '(syntax-table nil))) + ;; instead of just using (remove-text-properties beg end '(face + ;; nil)), we find regions with a non-nil face test-property, skip + ;; positions with the ansi-color property set, and remove the + ;; remaining face test-properties. + (while (setq beg (text-property-not-all beg end 'face nil)) + (setq beg (or (text-property-not-all beg end 'ansi-color t) end)) + (when (get-text-property beg 'face) + (let ((end-face (or (text-property-any beg end 'face nil) + end))) + (remove-text-properties beg end-face '(face nil)) + (setq beg end-face))))) ;; Working with strings @@ -411,7 +399,7 @@ information will be used for the next call to start of the region and set the face with which to start. Set `ansi-color-context-region' to nil if you don't want this." (let ((face (car ansi-color-context-region)) - (start-marker (or (cadr ansi-color-context-region) + (start-marker (or (cadr ansi-color-context-region) (copy-marker begin))) (end-marker (copy-marker end)) escape-sequence) @@ -477,7 +465,7 @@ start of the region and set the face with which to start. Set (defun ansi-color-make-face (property color) "Return a face with PROPERTY set to COLOR. -PROPERTY can be either symbol `foreground' or symbol `background'. +PROPERTY can be either symbol `foreground' or symbol `background'. For Emacs, we just return the cons cell \(PROPERTY . COLOR). For XEmacs, we create a temporary face and return it." @@ -500,7 +488,7 @@ For XEmacs, we create a temporary face and return it." OBJECT defaults to the current buffer. XEmacs uses `make-extent', Emacs uses `make-overlay'. XEmacs can use a buffer or a string for OBJECT, Emacs requires OBJECT to be a buffer." - (if (functionp 'make-extent) + (if (fboundp 'make-extent) (make-extent from to object) ;; In Emacs, the overlay might end at the process-mark in comint ;; buffers. In that case, new text will be inserted before the @@ -525,7 +513,7 @@ property." (defun ansi-color-set-extent-face (extent face) "Set the `face' property of EXTENT to FACE. XEmacs uses `set-extent-face', Emacs uses `overlay-put'." - (if (functionp 'set-extent-face) + (if (fboundp 'set-extent-face) (set-extent-face extent face) (overlay-put extent 'face face))) @@ -550,7 +538,13 @@ case we return nil." ((eq (car new-faces) 'default) (cdr new-faces)) (t - (append new-faces face))))) + ;; Like (append NEW-FACES FACES) + ;; but delete duplicates in FACES. + (let ((modified-faces (copy-sequence faces))) + (dolist (face (nreverse new-faces)) + (setq modified-faces (delete face modified-faces)) + (push face modified-faces)) + modified-faces))))) (defun ansi-color-make-color-map () "Creates a vector of face definitions and returns it. @@ -628,14 +622,16 @@ ESCAPE-SEQ is a SGR control sequences such as \\033[34m. The parameter (while (string-match ansi-color-r escape-seq i) (setq i (match-end 0) val (ansi-color-get-face-1 - (string-to-int (match-string 0 escape-seq) 10))) + (string-to-number (match-string 0 escape-seq) 10))) (cond ((not val)) ((eq val 'default) (setq f (list val))) (t - (add-to-list 'f val)))) + (unless (member val f) + (push val f))))) f)) (provide 'ansi-color) +;;; arch-tag: 00726118-9432-44fd-b72d-d2af7591c99c ;;; ansi-color.el ends here