X-Git-Url: http://cgit.sxemacs.org/?p=gnus;a=blobdiff_plain;f=lisp%2Frfc1843.el;h=9826455832b6bfaa896cf71f2e090d8aa5d911de;hp=c3bb7907a2b3f5923d56195aa195ee3680d8f623;hb=54b3579a7a9590a4ec8589b90077e0024d9af50e;hpb=b2311854261b87db587133ccb46901befd0eca78

diff --git a/lisp/rfc1843.el b/lisp/rfc1843.el
index c3bb7907a..982645583 100644
--- a/lisp/rfc1843.el
+++ b/lisp/rfc1843.el
@@ -1,25 +1,25 @@
 ;;; rfc1843.el --- HZ (rfc1843) decoding
-;; Copyright (c) 1998, 1999, 2000 Free Software Foundation, Inc.
+
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+;;   2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
 ;; Keywords: news HZ HZ+ mail i18n
 
-;; This file is a part of GNU Emacs.
+;; This file is part of GNU Emacs.
 
-;; 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.
+;; 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 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
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-;; General Public License for more details.
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; 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., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
@@ -32,9 +32,17 @@
 
 ;;; Code:
 
+;; For Emacs < 22.2.
+(eval-and-compile
+  (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
+
 (eval-when-compile (require 'cl))
 (require 'mm-util)
 
+(defvar gnus-decode-encoded-word-function)
+(defvar gnus-decode-header-function)
+(defvar gnus-newsgroup-name)
+
 (defvar rfc1843-word-regexp
   "~\\({\\([\041-\167][\041-\176]\\| \\)+\\)\\(~}\\|$\\)")
 
@@ -43,18 +51,18 @@
 
 (defvar rfc1843-hzp-word-regexp
   "~\\({\\([\041-\167][\041-\176]\\| \\)+\\|\
-[<>]\\([\041-\175][\041-\176]\\| \\)+\\)\\(~}\\|$\\)")
+\[<>]\\([\041-\175][\041-\176]\\| \\)+\\)\\(~}\\|$\\)")
 
 (defvar rfc1843-hzp-word-regexp-strictly
   "~\\({\\([\041-\167][\041-\176]\\)+\\|\
-[<>]\\([\041-\175][\041-\176]\\)+\\)\\(~}\\|$\\)")
+\[<>]\\([\041-\175][\041-\176]\\)+\\)\\(~}\\|$\\)")
 
 (defcustom rfc1843-decode-loosely nil
   "Loosely check HZ encoding if non-nil.
 When it is set non-nil, only buffers or strings with strictly
 HZ-encoded are decoded."
   :type 'boolean
-  :group 'gnus)
+  :group 'mime)
 
 (defcustom rfc1843-decode-hzp t
   "HZ+ decoding support if non-nil.
@@ -64,12 +72,12 @@ e-mail transmission, news posting, etc.
 The document of HZ+ 0.78 specification can be found at
 ftp://ftp.math.psu.edu/pub/simpson/chinese/hzp/hzp.doc"
   :type 'boolean
-  :group 'gnus)
+  :group 'mime)
 
 (defcustom rfc1843-newsgroups-regexp "chinese\\|hz"
   "Regexp of newsgroups in which might be HZ encoded."
   :type 'string
-  :group 'gnus)
+  :group 'mime)
 
 (defun rfc1843-decode-region (from to)
   "Decode HZ in the region between FROM and TO."
@@ -88,7 +96,7 @@ ftp://ftp.math.psu.edu/pub/simpson/chinese/hzp/hzp.doc"
 					  rfc1843-hzp-word-regexp
 					rfc1843-word-regexp) (point-max) t)
 	      ;;; Text with extents may cause XEmacs crash
-	      (setq str (buffer-substring-no-properties 
+	      (setq str (buffer-substring-no-properties
 			 (match-beginning 1)
 			 (match-end 1)))
 	      (setq firstc (aref str 0))
@@ -133,6 +141,10 @@ ftp://ftp.math.psu.edu/pub/simpson/chinese/hzp/hzp.doc"
 	  (aset s (incf i) (+ v (if (< v 63) 64 98))))))
     s))
 
+(autoload 'mail-header-parse-content-type "mail-parse")
+(autoload 'message-narrow-to-head "message")
+(declare-function message-fetch-field "message" (header &optional not-all))
+
 (defun rfc1843-decode-article-body ()
   "Decode HZ encoded text in the article body."
   (if (string-match (concat "\\<\\(" rfc1843-newsgroups-regexp "\\)\\>")
@@ -143,9 +155,8 @@ ftp://ftp.math.psu.edu/pub/simpson/chinese/hzp/hzp.doc"
 	  (let* ((inhibit-point-motion-hooks t)
 		 (case-fold-search t)
 		 (ct (message-fetch-field "Content-Type" t))
-		 (ctl (and ct (ignore-errors
-				(mail-header-parse-content-type ct)))))
-	    (if (and ctl (not (string-match "/" (car ctl)))) 
+		 (ctl (and ct (mail-header-parse-content-type ct))))
+	    (if (and ctl (not (string-match "/" (car ctl))))
 		(setq ctl nil))
 	    (goto-char (point-max))
 	    (widen)