From: Simon Josefsson <jas@extundo.com>
Cc: Alex Schroeder <alex@gnu.org>, dirt@gtk.org, emacs-devel@gnu.org
Subject: Re: terminal escapes in Info files?
Date: Sun, 26 Oct 2003 13:40:02 +0100 [thread overview]
Message-ID: <ilubrs4w4t9.fsf@extundo.com> (raw)
In-Reply-To: <200310261220.h9QCKsb15110@f7.net> (Karl Berry's message of "Sun, 26 Oct 2003 07:20:55 -0500")
karl@freefriends.org (Karl Berry) writes:
> 1) write ANSI terminal escape codes directly in the Info file. (Even on
> non-ANSI terminals, if there are any left, these could be translated to
> appropriate termcap sequence.)
...
> - is one of (1) or (2) significantly easier to implement in Emacs?
Rendering ANSI escape sequences in e-mail was recently proposed for
Gnus, and thanks to ansi-color.el it is easy to do: just call
ansi-color-apply-on-region from ansi-color.el. You only need to make
sure the ESC sequence is not destroyed until it reach the decoding
code, of course.
(autoload 'ansi-color-apply-on-region "ansi-color")
(defun article-treat-ansi-sequences ()
"Translate ANSI SGR control sequences into overlays or extents."
(interactive)
(save-excursion
(when (article-goto-body)
(let ((buffer-read-only nil))
(ansi-color-apply-on-region (point) (point-max))))))
PS. Alex, what do you think about the following? Those functions are
documented in the top-level comment, and appear to be basic API entry
points for the ansi-color.el library, so it might be useful to
autoload them. I don't know if adding autoload cookies here and there
is considered polluting though.
--- ansi-color.el.~1.14.~ 2003-10-07 19:16:00.000000000 +0200
+++ ansi-color.el 2003-10-26 13:37:37.000000000 +0100
@@ -1,6 +1,6 @@
;;; ansi-color.el --- translate ANSI escape sequences into faces
-;; Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+;; Copyright (C) 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
;; Author: Alex Schroeder <alex@gnu.org>
;; Maintainer: Alex Schroeder <alex@gnu.org>
@@ -285,6 +285,7 @@
escape sequence.")
(make-variable-buffer-local 'ansi-color-context)
+;;;###autoload
(defun ansi-color-filter-apply (string)
"Filter out all SGR control sequences from STRING.
@@ -315,6 +316,7 @@
(setq ansi-color-context nil)))
result))
+;;;###autoload
(defun ansi-color-apply (string)
"Translates SGR control sequences into text-properties.
@@ -398,6 +400,7 @@
(setq ansi-color-context-region (list nil (match-beginning 0)))
(setq ansi-color-context-region nil)))))
+;;;###autoload
(defun ansi-color-apply-on-region (begin end)
"Translates SGR control sequences into overlays or extents.
next prev parent reply other threads:[~2003-10-26 12:40 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-26 12:20 terminal escapes in Info files? Karl Berry
2003-10-26 12:40 ` Simon Josefsson [this message]
2003-10-26 15:40 ` Alex Schroeder
2003-10-27 7:02 ` Richard Stallman
2003-10-27 19:29 ` Eli Zaretskii
-- strict thread matches above, loose matches on Subject: below --
2003-10-28 1:26 Karl Berry
2003-10-28 10:51 ` Alper Ersoy
2003-10-28 13:48 ` Oliver Scholz
2003-10-30 10:42 ` Alper Ersoy
2003-10-28 16:19 ` Stefan Monnier
2003-10-29 19:02 ` Richard Stallman
2003-10-29 19:47 ` David Kastrup
2003-10-29 21:43 ` Eli Zaretskii
2003-10-29 22:39 ` David Kastrup
2003-10-30 6:03 ` Eli Zaretskii
2003-10-30 18:00 ` Richard Stallman
2003-10-29 19:01 ` Richard Stallman
2003-10-29 19:45 ` Alper Ersoy
2003-10-29 19:42 ` Eli Zaretskii
2003-10-30 18:00 ` Richard Stallman
2003-10-29 19:02 ` Richard Stallman
2003-10-28 16:50 Karl Berry
2003-10-28 16:51 Karl Berry
2003-10-28 16:59 ` Stefan Monnier
2003-10-28 17:16 ` Eli Zaretskii
2003-10-28 17:56 ` Stefan Monnier
2003-10-28 20:34 ` Eli Zaretskii
2003-10-28 17:46 Karl Berry
2003-10-28 18:08 ` Stefan Monnier
2003-10-29 12:20 ` Oliver Scholz
2003-10-29 14:21 ` Eli Zaretskii
2003-10-29 16:24 ` Oliver Scholz
2003-10-29 17:29 ` Robert J. Chassell
2003-10-29 18:09 ` Stefan Monnier
2003-10-30 1:13 ` Robert J. Chassell
2003-10-30 6:10 ` Stephen J. Turnbull
2003-10-30 22:06 ` Robert J. Chassell
2003-11-03 12:19 ` Stephen J. Turnbull
2003-10-30 16:36 ` Stefan Monnier
2003-10-29 18:40 ` Oliver Scholz
2003-10-29 19:09 ` Oliver Scholz
2003-10-29 20:02 ` Luc Teirlinck
2003-10-29 20:47 ` Oliver Scholz
2003-10-29 22:58 ` Luc Teirlinck
2003-10-30 2:37 ` Robert J. Chassell
2003-10-30 2:55 ` Robert J. Chassell
2003-10-29 17:45 ` Eli Zaretskii
2003-10-29 18:00 ` Reiner Steib
2003-10-29 18:43 ` Oliver Scholz
2003-10-30 4:19 ` Richard Stallman
2003-10-30 6:11 ` Eli Zaretskii
2003-10-31 0:07 ` Richard Stallman
2003-10-28 20:06 Karl Berry
2003-10-28 21:23 ` Stefan Monnier
2003-10-28 23:41 ` Miles Bader
2003-10-28 20:06 Karl Berry
2003-10-28 20:09 Karl Berry
2003-10-29 12:52 ` Oliver Scholz
2003-10-29 14:14 ` Eli Zaretskii
2003-10-29 14:31 ` Andreas Schwab
2003-10-29 17:51 ` Alper Ersoy
2003-10-29 18:53 ` Alper Ersoy
2003-10-29 18:11 ` Eli Zaretskii
2003-10-29 21:08 ` Andreas Schwab
2003-10-29 21:18 ` Alper Ersoy
2003-10-29 21:40 ` Eli Zaretskii
2003-10-29 15:28 ` Oliver Scholz
2003-10-31 2:29 ` Thien-Thi Nguyen
2003-10-29 19:02 ` Richard Stallman
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