+++ /dev/null
-;;; gnus-art.el --- article mode commands for Semi-gnus
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
-;; Free Software Foundation, Inc.
-
-;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
-;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Katsumi Yamaoka <yamaoka@jpl.org>
-;; Keywords: mail, news, MIME
-
-;; 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 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.
-
-;;; Commentary:
-
-;;; Code:
-
-(eval-when-compile (require 'cl))
-(eval-when-compile (require 'static))
-
-(require 'path-util)
-(require 'gnus)
-(require 'gnus-sum)
-(require 'gnus-spec)
-(require 'gnus-int)
-(require 'alist)
-(require 'mime-view)
-(require 'wid-edit)
-
-;; Avoid byte-compile warnings.
-(eval-when-compile
- (require 'mm-bodies)
- (require 'mail-parse)
- (require 'mm-decode)
- (require 'mm-view)
- (require 'mm-uu)
- )
-
-(autoload 'gnus-msg-mail "gnus-msg" nil t)
-(autoload 'gnus-button-mailto "gnus-msg")
-(autoload 'gnus-button-reply "gnus-msg" nil t)
-
-(defgroup gnus-article nil
- "Article display."
- :link '(custom-manual "(gnus)The Article Buffer")
- :group 'gnus)
-
-(defgroup gnus-article-treat nil
- "Treating article parts."
- :link '(custom-manual "(gnus)Article Hiding")
- :group 'gnus-article)
-
-(defgroup gnus-article-hiding nil
- "Hiding article parts."
- :link '(custom-manual "(gnus)Article Hiding")
- :group 'gnus-article)
-
-(defgroup gnus-article-highlight nil
- "Article highlighting."
- :link '(custom-manual "(gnus)Article Highlighting")
- :group 'gnus-article
- :group 'gnus-visual)
-
-(defgroup gnus-article-signature nil
- "Article signatures."
- :link '(custom-manual "(gnus)Article Signature")
- :group 'gnus-article)
-
-(defgroup gnus-article-headers nil
- "Article headers."
- :link '(custom-manual "(gnus)Hiding Headers")
- :group 'gnus-article)
-
-(defgroup gnus-article-washing nil
- "Special commands on articles."
- :link '(custom-manual "(gnus)Article Washing")
- :group 'gnus-article)
-
-(defgroup gnus-article-emphasis nil
- "Fontisizing articles."
- :link '(custom-manual "(gnus)Article Fontisizing")
- :group 'gnus-article)
-
-(defgroup gnus-article-saving nil
- "Saving articles."
- :link '(custom-manual "(gnus)Saving Articles")
- :group 'gnus-article)
-
-(defgroup gnus-article-mime nil
- "Worshiping the MIME wonder."
- :link '(custom-manual "(gnus)Using MIME")
- :group 'gnus-article)
-
-(defgroup gnus-article-buttons nil
- "Pushable buttons in the article buffer."
- :link '(custom-manual "(gnus)Article Buttons")
- :group 'gnus-article)
-
-(defgroup gnus-article-various nil
- "Other article options."
- :link '(custom-manual "(gnus)Misc Article")
- :group 'gnus-article)
-
-(defcustom gnus-ignored-headers
- '("^Path:" "^Expires:" "^Date-Received:" "^References:" "^Xref:" "^Lines:"
- "^Relay-Version:" "^Message-ID:" "^Approved:" "^Sender:" "^Received:"
- "^X-UIDL:" "^MIME-Version:" "^Return-Path:" "^In-Reply-To:"
- "^Content-Type:" "^Content-Transfer-Encoding:" "^X-WebTV-Signature:"
- "^X-MimeOLE:" "^X-MSMail-Priority:" "^X-Priority:" "^X-Loop:"
- "^X-Authentication-Warning:" "^X-MIME-Autoconverted:" "^X-Face:"
- "^X-Attribution:" "^X-Originating-IP:" "^Delivered-To:"
- "^NNTP-[-A-Za-z]+:" "^Distribution:" "^X-no-archive:" "^X-Trace:"
- "^X-Complaints-To:" "^X-NNTP-Posting-Host:" "^X-Orig.*:"
- "^Abuse-Reports-To:" "^Cache-Post-Path:" "^X-Article-Creation-Date:"
- "^X-Poster:" "^X-Mail2News-Path:" "^X-Server-Date:" "^X-Cache:"
- "^Originator:" "^X-Problems-To:" "^X-Auth-User:" "^X-Post-Time:"
- "^X-Admin:" "^X-UID:" "^Resent-[-A-Za-z]+:" "^X-Mailing-List:"
- "^Precedence:" "^Original-[-A-Za-z]+:" "^X-filename:" "^X-Orcpt:"
- "^Old-Received:" "^X-Pgp" "^X-Auth:" "^X-From-Line:"
- "^X-Gnus-Article-Number:" "^X-Majordomo:" "^X-Url:" "^X-Sender:"
- "^MBOX-Line" "^Priority:" "^X400-[-A-Za-z]+:"
- "^Status:" "^X-Gnus-Mail-Source:" "^Cancel-Lock:"
- "^X-FTN" "^X-EXP32-SerialNo:" "^Encoding:" "^Importance:"
- "^Autoforwarded:" "^Original-Encoded-Information-Types:" "^X-Ya-Pop3:"
- "^X-Face-Version:" "^X-Vms-To:" "^X-ML-NAME:" "^X-ML-COUNT:"
- "^Mailing-List:" "^X-finfo:" "^X-md5sum:" "^X-md5sum-Origin:"
- "^X-Sun-Charset:" "^X-Accept-Language:" "^X-Envelope-Sender:"
- "^List-[A-Za-z]+:" "^X-Listprocessor-Version:"
- "^X-Received:" "^X-Distribute:" "^X-Sequence:" "^X-Juno-Line-Breaks:"
- "^X-Notes-Item:" "^X-MS-TNEF-Correlator:" "^x-uunet-gateway:"
- "^X-Received:" "^Content-length:" "X-precedence:"
- "^X-Authenticated-User:" "^X-Comment" "^X-Report:" "^X-Abuse-Info:"
- "^X-HTTP-Proxy:" "^X-Mydeja-Info:" "^X-Copyright" "^X-No-Markup:"
- "^X-Abuse-Info:" "^X-From_:" "^X-Accept-Language:" "^Errors-To:"
- "^X-BeenThere:" "^X-Mailman-Version:" "^List-Help:" "^List-Post:"
- "^List-Subscribe:" "^List-Id:" "^List-Unsubscribe:" "^List-Archive:"
- "^X-Content-length:" "^X-Posting-Agent:" "^Original-Received:")
- "*All headers that start with this regexp will be hidden.
-This variable can also be a list of regexps of headers to be ignored.
-If `gnus-visible-headers' is non-nil, this variable will be ignored."
- :type '(choice :custom-show nil
- regexp
- (repeat regexp))
- :group 'gnus-article-hiding)
-
-(defcustom gnus-visible-headers
- "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^[BGF]?Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Mail-Followup-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:"
- "*All headers that do not match this regexp will be hidden.
-This variable can also be a list of regexp of headers to remain visible.
-If this variable is non-nil, `gnus-ignored-headers' will be ignored."
- :type '(repeat :value-to-internal (lambda (widget value)
- (custom-split-regexp-maybe value))
- :match (lambda (widget value)
- (or (stringp value)
- (widget-editable-list-match widget value)))
- regexp)
- :group 'gnus-article-hiding)
-
-(defcustom gnus-sorted-header-list
- '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
- "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
- "*This variable is a list of regular expressions.
-If it is non-nil, headers that match the regular expressions will
-be placed first in the article buffer in the sequence specified by
-this list."
- :type '(repeat regexp)
- :group 'gnus-article-hiding)
-
-(defcustom gnus-boring-article-headers '(empty followup-to reply-to)
- "Headers that are only to be displayed if they have interesting data.
-Possible values in this list are:
-
- 'empty Headers with no content.
- 'newsgroups Newsgroup identical to Gnus group.
- 'to-address To identical to To-address.
- 'followup-to Followup-to identical to Newsgroups.
- 'reply-to Reply-to identical to From.
- 'date Date less than four days old.
- 'long-to To and/or Cc longer than 1024 characters.
- 'many-to Multiple To and/or Cc."
- :type '(set (const :tag "Headers with no content." empty)
- (const :tag "Newsgroups identical to Gnus group." newsgroups)
- (const :tag "To identical to To-address." to-address)
- (const :tag "Followup-to identical to Newsgroups." followup-to)
- (const :tag "Reply-to identical to From." reply-to)
- (const :tag "Date less than four days old." date)
- (const :tag "To and/or Cc longer than 1024 characters." long-to)
- (const :tag "Multiple To and/or Cc headers." many-to))
- :group 'gnus-article-hiding)
-
-(defcustom gnus-signature-separator '("^-- $" "^-- *$")
- "Regexp matching signature separator.
-This can also be a list of regexps. In that case, it will be checked
-from head to tail looking for a separator. Searches will be done from
-the end of the buffer."
- :type '(repeat string)
- :group 'gnus-article-signature)
-
-(defcustom gnus-signature-limit nil
- "Provide a limit to what is considered a signature.
-If it is a number, no signature may not be longer (in characters) than
-that number. If it is a floating point number, no signature may be
-longer (in lines) than that number. If it is a function, the function
-will be called without any parameters, and if it returns nil, there is
-no signature in the buffer. If it is a string, it will be used as a
-regexp. If it matches, the text in question is not a signature."
- :type '(choice (integer :value 200)
- (number :value 4.0)
- (function :value fun)
- (regexp :value ".*"))
- :group 'gnus-article-signature)
-
-(defcustom gnus-hidden-properties '(invisible t intangible t)
- "Property list to use for hiding text."
- :type 'sexp
- :group 'gnus-article-hiding)
-
-;; Fixme: This isn't the right thing for mixed graphical and and
-;; non-graphical frames in a session.
-;; gnus-xmas.el overrides this for XEmacs.
-(defcustom gnus-article-x-face-command
- (cond
- ((and (fboundp 'image-type-available-p)
- (module-installed-p 'x-face-e21))
- 'x-face-decode-message-header)
- ((and (fboundp 'image-type-available-p)
- (image-type-available-p 'xbm))
- 'gnus-article-display-xface)
- ((and (not (featurep 'xemacs))
- window-system
- (module-installed-p 'x-face-mule))
- 'x-face-mule-gnus-article-display-x-face)
- (gnus-article-compface-xbm
- "{ echo '/* Width=48, Height=48 */'; uncompface; } | display -")
- (t
- "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
-display -"))
- "*String or function to be executed to display an X-Face header.
-If it is a string, the command will be executed in a sub-shell
-asynchronously. The compressed face will be piped to this command."
- :type '(choice string
- (function-item
- :tag "x-face-decode-message-header (x-face-e21)"
- x-face-decode-message-header)
- (function-item gnus-article-display-xface)
- (function-item x-face-mule-gnus-article-display-x-face)
- function)
- ;;:version "21.1"
- :group 'gnus-article-washing)
-
-(defcustom gnus-article-x-face-too-ugly nil
- "Regexp matching posters whose face shouldn't be shown automatically."
- :type '(choice regexp (const nil))
- :group 'gnus-article-washing)
-
-(defcustom gnus-article-banner-alist nil
- "Banner alist for stripping.
-For example,
- ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
- :version "21.1"
- :type '(repeat (cons symbol regexp))
- :group 'gnus-article-washing)
-
-(gnus-define-group-parameter
- banner
- :variable-document
- "Alist of regexps (to match group names) and banner."
- :variable-group gnus-article-washing
- :parameter-type
- '(choice :tag "Banner"
- :value nil
- (const :tag "Remove signature" signature)
- (symbol :tag "Item in `gnus-article-banner-alist'" none)
- regexp
- (const :tag "None" nil))
- :parameter-document
- "If non-nil, specify how to remove `banners' from articles.
-
-Symbol `signature' means to remove signatures delimited by
-`gnus-signature-separator'. Any other symbol is used to look up a
-regular expression to match the banner in `gnus-article-banner-alist'.
-A string is used as a regular expression to match the banner
-directly.")
-
-(defcustom gnus-emphasis-alist
- (let ((format
- "\\(\\s-\\|^\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-,;:\"]\\s-\\|[?!.]+\\s-\\|\\s)\\)")
- (types
- '(("_" "_" underline)
- ("/" "/" italic)
- ("\\*" "\\*" bold)
- ("_/" "/_" underline-italic)
- ("_\\*" "\\*_" underline-bold)
- ("\\*/" "/\\*" bold-italic)
- ("_\\*/" "/\\*_" underline-bold-italic))))
- `(("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
- 2 3 gnus-emphasis-underline)
- ,@(mapcar
- (lambda (spec)
- (list
- (format format (car spec) (car (cdr spec)))
- 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
- types)))
- "*Alist that says how to fontify certain phrases.
-Each item looks like this:
-
- (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
-
-The first element is a regular expression to be matched. The second
-is a number that says what regular expression grouping used to find
-the entire emphasized word. The third is a number that says what
-regexp grouping should be displayed and highlighted. The fourth
-is the face used for highlighting."
- :type '(repeat (list :value ("" 0 0 default)
- regexp
- (integer :tag "Match group")
- (integer :tag "Emphasize group")
- face))
- :group 'gnus-article-emphasis)
-
-(defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
- "A regexp to describe whitespace which should not be emphasized.
-Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
-The former avoids underlining of leading and trailing whitespace,
-and the latter avoids underlining any whitespace at all."
- :version "21.1"
- :group 'gnus-article-emphasis
- :type 'regexp)
-
-(defface gnus-emphasis-bold '((t (:bold t)))
- "Face used for displaying strong emphasized text (*word*)."
- :group 'gnus-article-emphasis)
-
-(defface gnus-emphasis-italic '((t (:italic t)))
- "Face used for displaying italic emphasized text (/word/)."
- :group 'gnus-article-emphasis)
-
-(defface gnus-emphasis-underline '((t (:underline t)))
- "Face used for displaying underlined emphasized text (_word_)."
- :group 'gnus-article-emphasis)
-
-(defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
- "Face used for displaying underlined bold emphasized text (_*word*_)."
- :group 'gnus-article-emphasis)
-
-(defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
- "Face used for displaying underlined italic emphasized text (_/word/_)."
- :group 'gnus-article-emphasis)
-
-(defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
- "Face used for displaying bold italic emphasized text (/*word*/)."
- :group 'gnus-article-emphasis)
-
-(defface gnus-emphasis-underline-bold-italic
- '((t (:bold t :italic t :underline t)))
- "Face used for displaying underlined bold italic emphasized text.
-Esample: (_/*word*/_)."
- :group 'gnus-article-emphasis)
-
-(defface gnus-emphasis-highlight-words
- '((t (:background "black" :foreground "yellow")))
- "Face used for displaying highlighted words."
- :group 'gnus-article-emphasis)
-
-(defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
- "Format for display of Date headers in article bodies.
-See `format-time-string' for the possible values.
-
-The variable can also be function, which should return a complete Date
-header. The function is called with one argument, the time, which can
-be fed to `format-time-string'."
- :type '(choice string symbol)
- :link '(custom-manual "(gnus)Article Date")
- :group 'gnus-article-washing)
-
-(eval-and-compile
- (autoload 'mail-extract-address-components "mail-extr"))
-
-(defcustom gnus-save-all-headers t
- "*If non-nil, don't remove any headers before saving."
- :group 'gnus-article-saving
- :type 'boolean)
-
-(defcustom gnus-prompt-before-saving 'always
- "*This variable says how much prompting is to be done when saving articles.
-If it is nil, no prompting will be done, and the articles will be
-saved to the default files. If this variable is `always', each and
-every article that is saved will be preceded by a prompt, even when
-saving large batches of articles. If this variable is neither nil not
-`always', there the user will be prompted once for a file name for
-each invocation of the saving commands."
- :group 'gnus-article-saving
- :type '(choice (item always)
- (item :tag "never" nil)
- (sexp :tag "once" :format "%t\n" :value t)))
-
-(defcustom gnus-saved-headers gnus-visible-headers
- "Headers to keep if `gnus-save-all-headers' is nil.
-If `gnus-save-all-headers' is non-nil, this variable will be ignored.
-If that variable is nil, however, all headers that match this regexp
-will be kept while the rest will be deleted before saving."
- :group 'gnus-article-saving
- :type 'regexp)
-
-(defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
- "A function to save articles in your favourite format.
-The function must be interactively callable (in other words, it must
-be an Emacs command).
-
-Gnus provides the following functions:
-
-* gnus-summary-save-in-rmail (Rmail format)
-* gnus-summary-save-in-mail (Unix mail format)
-* gnus-summary-save-in-folder (MH folder)
-* gnus-summary-save-in-file (article format)
-* gnus-summary-save-in-vm (use VM's folder format)
-* gnus-summary-write-to-file (article format -- overwrite)."
- :group 'gnus-article-saving
- :type '(radio (function-item gnus-summary-save-in-rmail)
- (function-item gnus-summary-save-in-mail)
- (function-item gnus-summary-save-in-folder)
- (function-item gnus-summary-save-in-file)
- (function-item gnus-summary-save-in-vm)
- (function-item gnus-summary-write-to-file)))
-
-(defcustom gnus-rmail-save-name 'gnus-plain-save-name
- "A function generating a file name to save articles in Rmail format.
-The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
- :group 'gnus-article-saving
- :type 'function)
-
-(defcustom gnus-mail-save-name 'gnus-plain-save-name
- "A function generating a file name to save articles in Unix mail format.
-The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
- :group 'gnus-article-saving
- :type 'function)
-
-(defcustom gnus-folder-save-name 'gnus-folder-save-name
- "A function generating a file name to save articles in MH folder.
-The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
- :group 'gnus-article-saving
- :type 'function)
-
-(defcustom gnus-file-save-name 'gnus-numeric-save-name
- "A function generating a file name to save articles in article format.
-The function is called with NEWSGROUP, HEADERS, and optional
-LAST-FILE."
- :group 'gnus-article-saving
- :type 'function)
-
-(defcustom gnus-split-methods
- '((gnus-article-archive-name)
- (gnus-article-nndoc-name))
- "*Variable used to suggest where articles are to be saved.
-For instance, if you would like to save articles related to Gnus in
-the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
-you could set this variable to something like:
-
- '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
- (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
-
-This variable is an alist where the where the key is the match and the
-value is a list of possible files to save in if the match is non-nil.
-
-If the match is a string, it is used as a regexp match on the
-article. If the match is a symbol, that symbol will be funcalled
-from the buffer of the article to be saved with the newsgroup as the
-parameter. If it is a list, it will be evaled in the same buffer.
-
-If this form or function returns a string, this string will be used as
-a possible file name; and if it returns a non-nil list, that list will
-be used as possible file names."
- :group 'gnus-article-saving
- :type '(repeat (choice (list :value (fun) function)
- (cons :value ("" "") regexp (repeat string))
- (sexp :value nil))))
-
-(defcustom gnus-article-display-method-for-mime
- 'gnus-article-display-mime-message
- "Function to display a MIME message.
-The function is called from the article buffer."
- :group 'gnus-article-mime
- :type 'function)
-
-(defcustom gnus-article-display-method-for-traditional
- 'gnus-article-display-traditional-message
- "*Function to display a traditional message.
-The function is called from the article buffer."
- :group 'gnus-article-mime
- :type 'function)
-
-(defcustom gnus-page-delimiter "^\^L"
- "*Regexp describing what to use as article page delimiters.
-The default value is \"^\^L\", which is a form linefeed at the
-beginning of a line."
- :type 'regexp
- :group 'gnus-article-various)
-
-(defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
- "*The format specification for the article mode line.
-See `gnus-summary-mode-line-format' for a closer description.
-
-The following additional specs are available:
-
-%w The article washing status.
-%m The number of MIME parts in the article."
- :type 'string
- :group 'gnus-article-various)
-
-(defcustom gnus-article-mode-hook nil
- "*A hook for Gnus article mode."
- :type 'hook
- :group 'gnus-article-various)
-
-(when (featurep 'xemacs)
- ;; Extracted from gnus-xmas-define in order to preserve user settings
- (when (fboundp 'turn-off-scroll-in-place)
- (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
- ;; Extracted from gnus-xmas-redefine in order to preserve user settings
- (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
-
-(defcustom gnus-article-menu-hook nil
- "*Hook run after the creation of the article mode menu."
- :type 'hook
- :group 'gnus-article-various)
-
-(defcustom gnus-article-prepare-hook nil
- "*A hook called after an article has been prepared in the article buffer."
- :type 'hook
- :group 'gnus-article-various)
-
-(defcustom gnus-article-hide-pgp-hook nil
- "*A hook called after successfully hiding a PGP signature."
- :type 'hook
- :group 'gnus-article-various)
-
-(defcustom gnus-article-button-face 'bold
- "Face used for highlighting buttons in the article buffer.
-
-An article button is a piece of text that you can activate by pressing
-`RET' or `mouse-2' above it."
- :type 'face
- :group 'gnus-article-buttons)
-
-(defcustom gnus-article-mouse-face 'highlight
- "Face used for mouse highlighting in the article buffer.
-
-Article buttons will be displayed in this face when the cursor is
-above them."
- :type 'face
- :group 'gnus-article-buttons)
-
-(defcustom gnus-signature-face 'gnus-signature-face
- "Face used for highlighting a signature in the article buffer.
-Obsolete; use the face `gnus-signature-face' for customizations instead."
- :type 'face
- :group 'gnus-article-highlight
- :group 'gnus-article-signature)
-
-(defface gnus-signature-face
- '((t
- (:italic t)))
- "Face used for highlighting a signature in the article buffer."
- :group 'gnus-article-highlight
- :group 'gnus-article-signature)
-
-(defface gnus-header-from-face
- '((((class color)
- (background dark))
- (:foreground "spring green"))
- (((class color)
- (background light))
- (:foreground "red3"))
- (t
- (:italic t)))
- "Face used for displaying from headers."
- :group 'gnus-article-headers
- :group 'gnus-article-highlight)
-
-(defface gnus-header-subject-face
- '((((class color)
- (background dark))
- (:foreground "SeaGreen3"))
- (((class color)
- (background light))
- (:foreground "red4"))
- (t
- (:bold t :italic t)))
- "Face used for displaying subject headers."
- :group 'gnus-article-headers
- :group 'gnus-article-highlight)
-
-(defface gnus-header-newsgroups-face
- '((((class color)
- (background dark))
- (:foreground "yellow" :italic t))
- (((class color)
- (background light))
- (:foreground "MidnightBlue" :italic t))
- (t
- (:italic t)))
- "Face used for displaying newsgroups headers."
- :group 'gnus-article-headers
- :group 'gnus-article-highlight)
-
-(defface gnus-header-name-face
- '((((class color)
- (background dark))
- (:foreground "SeaGreen"))
- (((class color)
- (background light))
- (:foreground "maroon"))
- (t
- (:bold t)))
- "Face used for displaying header names."
- :group 'gnus-article-headers
- :group 'gnus-article-highlight)
-
-(defface gnus-header-content-face
- '((((class color)
- (background dark))
- (:foreground "forest green" :italic t))
- (((class color)
- (background light))
- (:foreground "indianred4" :italic t))
- (t
- (:italic t)))
- "Face used for displaying header content."
- :group 'gnus-article-headers
- :group 'gnus-article-highlight)
-
-(defcustom gnus-header-face-alist
- '(("From" nil gnus-header-from-face)
- ("Subject" nil gnus-header-subject-face)
- ("Newsgroups:.*," nil gnus-header-newsgroups-face)
- ("" gnus-header-name-face gnus-header-content-face))
- "*Controls highlighting of article header.
-
-An alist of the form (HEADER NAME CONTENT).
-
-HEADER is a regular expression which should match the name of an
-header header and NAME and CONTENT are either face names or nil.
-
-The name of each header field will be displayed using the face
-specified by the first element in the list where HEADER match the
-header name and NAME is non-nil. Similarly, the content will be
-displayed by the first non-nil matching CONTENT face."
- :group 'gnus-article-headers
- :group 'gnus-article-highlight
- :type '(repeat (list (regexp :tag "Header")
- (choice :tag "Name"
- (item :tag "skip" nil)
- (face :value default))
- (choice :tag "Content"
- (item :tag "skip" nil)
- (face :value default)))))
-
-(defcustom gnus-article-decode-hook nil
- "*Hook run to decode charsets in articles."
- :group 'gnus-article-headers
- :type 'hook)
-
-(defcustom gnus-display-mime-function 'gnus-display-mime
- "Function to display MIME articles."
- :group 'gnus-article-mime
- :type 'function)
-
-(defvar gnus-decode-header-function 'mail-decode-encoded-word-region
- "Function used to decode headers.")
-
-(defvar gnus-article-dumbquotes-map
- '(("\200" "EUR")
- ("\202" ",")
- ("\203" "f")
- ("\204" ",,")
- ("\205" "...")
- ("\213" "<")
- ("\214" "OE")
- ("\221" "`")
- ("\222" "'")
- ("\223" "``")
- ("\224" "\"")
- ("\225" "*")
- ("\226" "-")
- ("\227" "--")
- ("\231" "(TM)")
- ("\233" ">")
- ("\234" "oe")
- ("\264" "'"))
- "Table for MS-to-Latin1 translation.")
-
-(defcustom gnus-ignored-mime-types nil
- "List of MIME types that should be ignored by Gnus."
- :version "21.1"
- :group 'gnus-article-mime
- :type '(repeat regexp))
-
-(defcustom gnus-unbuttonized-mime-types '(".*/.*")
- "List of MIME types that should not be given buttons when rendered inline."
- :version "21.1"
- :group 'gnus-article-mime
- :type '(repeat regexp))
-
-(defcustom gnus-article-mime-part-function nil
- "Function called with a MIME handle as the argument.
-This is meant for people who want to do something automatic based
-on parts -- for instance, adding Vcard info to a database."
- :group 'gnus-article-mime
- :type 'function)
-
-(defcustom gnus-mime-multipart-functions nil
- "An alist of MIME types to functions to display them."
- :version "21.1"
- :group 'gnus-article-mime
- :type 'alist)
-
-(defcustom gnus-article-date-lapsed-new-header nil
- "Whether the X-Sent and Date headers can coexist.
-When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
-either replace the old \"Date:\" header (if this variable is nil), or
-be added below it (otherwise)."
- :version "21.1"
- :group 'gnus-article-headers
- :type 'boolean)
-
-(defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
- "Function called with a MIME handle as the argument.
-This is meant for people who want to view first matched part.
-For `undisplayed-alternative' (default), the first undisplayed
-part or alternative part is used. For `undisplayed', the first
-undisplayed part is used. For a function, the first part which
-the function return `t' is used. For `nil', the first part is
-used."
- :version "21.1"
- :group 'gnus-article-mime
- :type '(choice
- (item :tag "first" :value nil)
- (item :tag "undisplayed" :value undisplayed)
- (item :tag "undisplayed or alternative"
- :value undisplayed-alternative)
- (function)))
-
-(defcustom gnus-mime-action-alist
- '(("save to file" . gnus-mime-save-part)
- ("save and strip" . gnus-mime-save-part-and-strip)
- ("display as text" . gnus-mime-inline-part)
- ("view the part" . gnus-mime-view-part)
- ("pipe to command" . gnus-mime-pipe-part)
- ("toggle display" . gnus-article-press-button)
- ("toggle display" . gnus-article-view-part-as-charset)
- ("view as type" . gnus-mime-view-part-as-type)
- ("internalize type" . gnus-mime-internalize-part)
- ("externalize type" . gnus-mime-externalize-part))
- "An alist of actions that run on the MIME attachment."
- :group 'gnus-article-mime
- :type '(repeat (cons (string :tag "name")
- (function))))
-
-(defcustom gnus-mime-action-alist
- '(("save to file" . gnus-mime-save-part)
- ("display as text" . gnus-mime-inline-part)
- ("view the part" . gnus-mime-view-part)
- ("pipe to command" . gnus-mime-pipe-part)
- ("toggle display" . gnus-article-press-button)
- ("view as type" . gnus-mime-view-part-as-type)
- ("internalize type" . gnus-mime-internalize-part)
- ("externalize type" . gnus-mime-externalize-part))
- "An alist of actions that run on the MIME attachment."
- :version "21.1"
- :group 'gnus-article-mime
- :type '(repeat (cons (string :tag "name")
- (function))))
-
-;;;
-;;; The treatment variables
-;;;
-
-(defvar gnus-part-display-hook nil
- "Hook called on parts that are to receive treatment.")
-
-(defvar gnus-article-treat-custom
- '(choice (const :tag "Off" nil)
- (const :tag "On" t)
- (const :tag "Header" head)
- (const :tag "Last" last)
- (const :tag "Mime" mime)
- (integer :tag "Less")
- (repeat :tag "Groups" regexp)
- (sexp :tag "Predicate")))
-
-(defvar gnus-article-treat-head-custom
- '(choice (const :tag "Off" nil)
- (const :tag "Header" head)))
-
-(defvar gnus-article-treat-types '("text/plain")
- "Parts to treat.")
-
-(defvar gnus-inhibit-treatment nil
- "Whether to inhibit treatment.")
-
-(defcustom gnus-treat-highlight-signature '(or last (typep "text/x-vcard"))
- "Highlight the signature.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-(put 'gnus-treat-highlight-signature 'highlight t)
-
-(defcustom gnus-treat-buttonize 100000
- "Add buttons.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-(put 'gnus-treat-buttonize 'highlight t)
-
-(defcustom gnus-treat-buttonize-head 'head
- "Add buttons to the head.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-head-custom)
-(put 'gnus-treat-buttonize-head 'highlight t)
-
-(defcustom gnus-treat-emphasize
- (and (or window-system
- (featurep 'xemacs)
- (>= (string-to-number emacs-version) 21))
- 50000)
- "Emphasize text.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-(put 'gnus-treat-emphasize 'highlight t)
-
-(defcustom gnus-treat-strip-cr nil
- "Remove carriage returns.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-leading-whitespace nil
- "Remove leading whitespace in headers.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-hide-headers 'head
- "Hide headers.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-head-custom)
-
-(defcustom gnus-treat-hide-boring-headers nil
- "Hide boring headers.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-head-custom)
-
-(defcustom gnus-treat-hide-signature nil
- "Hide the signature.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-fill-article nil
- "Fill the article.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-hide-citation nil
- "Hide cited text.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-hide-citation-maybe nil
- "Hide cited text.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-hide-citation-maybe nil
- "Hide cited text.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-strip-list-identifiers 'head
- "Strip list identifiers from `gnus-list-identifiers`.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :version "21.1"
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-strip-pgp t
- "Strip PGP signatures.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-strip-pem nil
- "Strip PEM signatures.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-strip-banner t
- "Strip banners from articles.
-The banner to be stripped is specified in the `banner' group parameter.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-highlight-headers 'head
- "Highlight the headers.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-head-custom)
-(put 'gnus-treat-highlight-headers 'highlight t)
-
-(defcustom gnus-treat-highlight-citation t
- "Highlight cited text.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-(put 'gnus-treat-highlight-citation 'highlight t)
-
-(defcustom gnus-treat-date-ut nil
- "Display the Date in UT (GMT).
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-head-custom)
-
-(defcustom gnus-treat-date-local nil
- "Display the Date in the local timezone.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-head-custom)
-
-(defcustom gnus-treat-date-english nil
- "Display the Date in a format that can be read aloud in English.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-head-custom)
-
-(defcustom gnus-treat-date-lapsed nil
- "Display the Date header in a way that says how much time has elapsed.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-head-custom)
-
-(defcustom gnus-treat-date-original nil
- "Display the date in the original timezone.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-head-custom)
-
-(defcustom gnus-treat-date-iso8601 nil
- "Display the date in the ISO8601 format.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :version "21.1"
- :group 'gnus-article-treat
- :type gnus-article-treat-head-custom)
-
-(defcustom gnus-treat-date-user-defined nil
- "Display the date in a user-defined format.
-The format is defined by the `gnus-article-time-format' variable.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-head-custom)
-
-(defcustom gnus-treat-strip-headers-in-body t
- "Strip the X-No-Archive header line from the beginning of the body.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :version "21.1"
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-strip-trailing-blank-lines nil
- "Strip trailing blank lines.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-strip-leading-blank-lines nil
- "Strip leading blank lines.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-strip-multiple-blank-lines nil
- "Strip multiple blank lines.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-overstrike t
- "Treat overstrike highlighting.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-(put 'gnus-treat-overstrike 'highlight t)
-
-(defcustom gnus-treat-display-xface
- (and (or (and (fboundp 'image-type-available-p)
- (image-type-available-p 'xbm)
- (string-match "^0x" (shell-command-to-string "uncompface")))
- (and (featurep 'xemacs) (featurep 'xface))
- (eq 'x-face-mule-gnus-article-display-x-face
- gnus-article-x-face-command))
- 'head)
- "Display X-Face headers.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- ;;:version "21.1"
- :type gnus-article-treat-head-custom)
-(put 'gnus-treat-display-xface 'highlight t)
-
-(defcustom gnus-treat-display-smileys
- (if (or (and (featurep 'xemacs)
- (featurep 'xpm))
- (and (fboundp 'image-type-available-p)
- (image-type-available-p 'pbm))
- (and (not (featurep 'xemacs))
- window-system
- (module-installed-p 'smiley-mule)))
- t
- nil)
- "Display smileys.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- ;;:version "21.1"
- :type gnus-article-treat-custom)
-(put 'gnus-treat-display-smileys 'highlight t)
-
-(defcustom gnus-treat-display-picons (if (featurep 'xemacs) 'head nil)
- "Display picons.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-head-custom)
-(put 'gnus-treat-display-picons 'highlight t)
-
-(defcustom gnus-treat-capitalize-sentences nil
- "Capitalize sentence-starting words.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :version "21.1"
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-fill-long-lines nil
- "Fill long lines.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-play-sounds nil
- "Play sounds.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :version "21.1"
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-decode-article-as-default-mime-charset nil
- "Decode an article as `default-mime-charset'. For instance, if you want to
-attempt to decode an article even if the value of `gnus-show-mime' is nil,
-you could set this variable to something like: nil for don't decode, t for
-decode the body, '(or header t) for the whole article, etc."
- :group 'gnus-article-treat
- :type '(radio (const :tag "Off" nil)
- (const :tag "Decode body" t)
- (const :tag "Decode all" (or head t))))
-
-(defcustom gnus-treat-translate nil
- "Translate articles from one language to another.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :version "21.1"
- :group 'gnus-article-treat
- :type gnus-article-treat-custom)
-
-(defcustom gnus-treat-x-pgp-sig nil
- "Verify X-PGP-Sig.
-To automatically treat X-PGP-Sig, set it to head.
-Valid values are nil, t, `head', `last', an integer or a predicate.
-See the manual for details."
- :group 'gnus-article-treat
- :group 'mime-security
- :type gnus-article-treat-custom)
-
-(defvar gnus-article-encrypt-protocol-alist
- '(("PGP" . mml2015-self-encrypt)))
-
-;; Set to nil if more than one protocol added to
-;; gnus-article-encrypt-protocol-alist.
-(defcustom gnus-article-encrypt-protocol "PGP"
- "The protocol used for encrypt articles.
-It is a string, such as \"PGP\". If nil, ask user."
- :type 'string
- :group 'mime-security)
-
-;;; Internal variables
-
-(defvar gnus-english-month-names
- '("January" "February" "March" "April" "May" "June" "July" "August"
- "September" "October" "November" "December"))
-
-(defvar article-goto-body-goes-to-point-min-p nil)
-(defvar gnus-article-wash-types nil)
-(defvar gnus-article-emphasis-alist nil)
-
-(defvar gnus-article-mime-handle-alist-1 nil)
-(defvar gnus-treatment-function-alist
- `((gnus-treat-decode-article-as-default-mime-charset
- gnus-article-decode-article-as-default-mime-charset)
- (gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
- (gnus-treat-strip-banner gnus-article-strip-banner)
- (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
- (gnus-treat-buttonize gnus-article-add-buttons)
- (gnus-treat-fill-article gnus-article-fill-cited-article)
- (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
- (gnus-treat-strip-cr gnus-article-remove-cr)
- (gnus-treat-display-xface gnus-article-display-x-face)
- (gnus-treat-date-ut gnus-article-date-ut)
- (gnus-treat-date-local gnus-article-date-local)
- (gnus-treat-date-english gnus-article-date-english)
- (gnus-treat-date-lapsed gnus-article-date-lapsed)
- (gnus-treat-date-original gnus-article-date-original)
- (gnus-treat-date-user-defined gnus-article-date-user)
- (gnus-treat-date-iso8601 gnus-article-date-iso8601)
- (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
- (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
- (gnus-treat-hide-signature gnus-article-hide-signature)
- (gnus-treat-hide-citation gnus-article-hide-citation)
- (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
- (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
- (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
- (gnus-treat-strip-pgp gnus-article-hide-pgp)
- (gnus-treat-strip-pem gnus-article-hide-pem)
- (gnus-treat-highlight-headers gnus-article-highlight-headers)
- (gnus-treat-emphasize gnus-article-emphasize)
- (gnus-treat-highlight-citation gnus-article-highlight-citation)
- (gnus-treat-highlight-signature gnus-article-highlight-signature)
- (gnus-treat-strip-trailing-blank-lines
- gnus-article-remove-trailing-blank-lines)
- (gnus-treat-strip-leading-blank-lines
- gnus-article-strip-leading-blank-lines)
- (gnus-treat-strip-multiple-blank-lines
- gnus-article-strip-multiple-blank-lines)
- (gnus-treat-overstrike gnus-article-treat-overstrike)
- (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
- (gnus-treat-display-smileys ,(if (or (featurep 'xemacs)
- (>= emacs-major-version 21))
- 'gnus-smiley-display
- 'gnus-article-smiley-display))
- (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
- (gnus-treat-display-picons gnus-article-display-picons)
- (gnus-treat-play-sounds gnus-earcon-display)))
-
-(defvar gnus-article-mime-handle-alist nil)
-(defvar article-lapsed-timer nil)
-(defvar gnus-article-current-summary nil)
-
-(defvar gnus-article-mode-syntax-table
- (let ((table (copy-syntax-table text-mode-syntax-table)))
- ;; This causes the citation match run O(2^n).
- ;; (modify-syntax-entry ?- "w" table)
- (modify-syntax-entry ?> ")" table)
- (modify-syntax-entry ?< "(" table)
- table)
- "Syntax table used in article mode buffers.
-Initialized from `text-mode-syntax-table.")
-
-(defvar gnus-save-article-buffer nil)
-
-(defvar gnus-article-mode-line-format-alist
- (nconc '((?w (gnus-article-wash-status) ?s)
- (?m (gnus-article-mime-part-status) ?s))
- gnus-summary-mode-line-format-alist))
-
-(defvar gnus-number-of-articles-to-be-saved nil)
-
-(defvar gnus-inhibit-hiding nil)
-
-(defsubst gnus-article-hide-text (b e props)
- "Set text PROPS on the B to E region, extending `intangible' 1 past B."
- (gnus-add-text-properties-when 'article-type nil b e props)
- (when (memq 'intangible props)
- (put-text-property
- (max (1- b) (point-min))
- b 'intangible (cddr (memq 'intangible props)))))
-
-(defsubst gnus-article-unhide-text (b e)
- "Remove hidden text properties from region between B and E."
- (remove-text-properties b e gnus-hidden-properties)
- (when (memq 'intangible gnus-hidden-properties)
- (put-text-property (max (1- b) (point-min))
- b 'intangible nil)))
-
-(defun gnus-article-hide-text-type (b e type)
- "Hide text of TYPE between B and E."
- (push type gnus-article-wash-types)
- (gnus-article-hide-text
- b e (cons 'article-type (cons type gnus-hidden-properties))))
-
-(defun gnus-article-unhide-text-type (b e type)
- "Unhide text of TYPE between B and E."
- (setq gnus-article-wash-types
- (delq type gnus-article-wash-types))
- (remove-text-properties
- b e (cons 'article-type (cons type gnus-hidden-properties)))
- (when (memq 'intangible gnus-hidden-properties)
- (put-text-property (max (1- b) (point-min))
- b 'intangible nil)))
-
-(defun gnus-article-hide-text-of-type (type)
- "Hide text of TYPE in the current buffer."
- (save-excursion
- (let ((b (point-min))
- (e (point-max)))
- (while (setq b (text-property-any b e 'article-type type))
- (add-text-properties b (incf b) gnus-hidden-properties)))))
-
-(defun gnus-article-delete-text-of-type (type)
- "Delete text of TYPE in the current buffer."
- (save-excursion
- (let ((b (point-min)))
- (while (setq b (text-property-any b (point-max) 'article-type type))
- (delete-region
- b (or (text-property-not-all b (point-max) 'article-type type)
- (point-max)))))))
-
-(defun gnus-article-delete-invisible-text ()
- "Delete all invisible text in the current buffer."
- (save-excursion
- (let ((b (point-min)))
- (while (setq b (text-property-any b (point-max) 'invisible t))
- (delete-region
- b (or (text-property-not-all b (point-max) 'invisible t)
- (point-max)))))))
-
-(defun gnus-article-text-type-exists-p (type)
- "Say whether any text of type TYPE exists in the buffer."
- (text-property-any (point-min) (point-max) 'article-type type))
-
-(defsubst gnus-article-header-rank ()
- "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
- (let ((list gnus-sorted-header-list)
- (i 0))
- (while list
- (when (looking-at (car list))
- (setq list nil))
- (setq list (cdr list))
- (incf i))
- i))
-
-(defun article-hide-headers (&optional arg delete)
- "Hide unwanted headers and possibly sort them as well."
- (interactive (gnus-article-hidden-arg))
- ;; Lars said that this function might be inhibited.
- (if (gnus-article-check-hidden-text 'headers arg)
- (progn
- ;; Show boring headers as well.
- (gnus-article-show-hidden-text 'boring-headers)
- (when (eq 1 (point-min))
- (set-window-start (get-buffer-window (current-buffer)) 1)))
- (unless gnus-inhibit-hiding
- (save-excursion
- (save-restriction
- (let ((inhibit-read-only t)
- (case-fold-search t)
- (max (1+ (length gnus-sorted-header-list)))
- (ignored (when (not gnus-visible-headers)
- (cond ((stringp gnus-ignored-headers)
- gnus-ignored-headers)
- ((listp gnus-ignored-headers)
- (mapconcat 'identity gnus-ignored-headers
- "\\|")))))
- (visible
- (cond ((stringp gnus-visible-headers)
- gnus-visible-headers)
- ((and gnus-visible-headers
- (listp gnus-visible-headers))
- (mapconcat 'identity gnus-visible-headers "\\|"))))
- (inhibit-point-motion-hooks t)
- beg)
- ;; First we narrow to just the headers.
- (article-narrow-to-head)
- ;; Hide any "From " lines at the beginning of (mail) articles.
- (while (looking-at "From ")
- (forward-line 1))
- (unless (bobp)
- (if delete
- (delete-region (point-min) (point))
- (gnus-article-hide-text (point-min) (point)
- (nconc (list 'article-type 'headers)
- gnus-hidden-properties))))
- ;; Then treat the rest of the header lines.
- ;; Then we use the two regular expressions
- ;; `gnus-ignored-headers' and `gnus-visible-headers' to
- ;; select which header lines is to remain visible in the
- ;; article buffer.
- (while (re-search-forward "^[^ \t:]*:" nil t)
- (beginning-of-line)
- ;; Mark the rank of the header.
- (put-text-property
- (point) (1+ (point)) 'message-rank
- (if (or (and visible (looking-at visible))
- (and ignored
- (not (looking-at ignored))))
- (gnus-article-header-rank)
- (+ 2 max)))
- (forward-line 1))
- (message-sort-headers-1)
- (when (setq beg (text-property-any
- (point-min) (point-max) 'message-rank (+ 2 max)))
- ;; We delete or make invisible the unwanted headers.
- (push 'headers gnus-article-wash-types)
- (if delete
- (progn
- (add-text-properties
- (point-min) (+ 5 (point-min))
- '(article-type headers dummy-invisible t))
- (delete-region beg (point-max)))
- (gnus-article-hide-text-type beg (point-max) 'headers))))))))
- )
-
-(defun article-hide-boring-headers (&optional arg)
- "Toggle hiding of headers that aren't very interesting.
-If given a negative prefix, always show; if given a positive prefix,
-always hide."
- (interactive (gnus-article-hidden-arg))
- (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
- (not gnus-show-all-headers))
- (save-excursion
- (save-restriction
- (let ((buffer-read-only nil)
- (list gnus-boring-article-headers)
- (inhibit-point-motion-hooks t)
- elem)
- (article-narrow-to-head)
- (while list
- (setq elem (pop list))
- (goto-char (point-min))
- (cond
- ;; Hide empty headers.
- ((eq elem 'empty)
- (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
- (forward-line -1)
- (gnus-article-hide-text-type
- (progn (beginning-of-line) (point))
- (progn
- (end-of-line)
- (if (re-search-forward "^[^ \t]" nil t)
- (match-beginning 0)
- (point-max)))
- 'boring-headers)))
- ;; Hide boring Newsgroups header.
- ((eq elem 'newsgroups)
- (when (gnus-string-equal
- (gnus-fetch-field "newsgroups")
- (gnus-group-real-name
- (if (boundp 'gnus-newsgroup-name)
- gnus-newsgroup-name
- "")))
- (gnus-article-hide-header "newsgroups")))
- ((eq elem 'to-address)
- (let ((to (message-fetch-field "to"))
- (to-address
- (gnus-parameter-to-address
- (if (boundp 'gnus-newsgroup-name)
- gnus-newsgroup-name ""))))
- (when (and to to-address
- (ignore-errors
- (gnus-string-equal
- ;; only one address in To
- (nth 1 (mail-extract-address-components to))
- to-address)))
- (gnus-article-hide-header "to"))))
- ((eq elem 'followup-to)
- (when (gnus-string-equal
- (message-fetch-field "followup-to")
- (message-fetch-field "newsgroups"))
- (gnus-article-hide-header "followup-to")))
- ((eq elem 'reply-to)
- (let ((from (message-fetch-field "from"))
- (reply-to (message-fetch-field "reply-to")))
- (when (and
- from reply-to
- (ignore-errors
- (gnus-string-equal
- (nth 1 (mail-extract-address-components from))
- (nth 1 (mail-extract-address-components reply-to)))))
- (gnus-article-hide-header "reply-to"))))
- ((eq elem 'date)
- (let ((date (message-fetch-field "date")))
- (when (and date
- (< (days-between (current-time-string) date)
- 4))
- (gnus-article-hide-header "date"))))
- ((eq elem 'long-to)
- (let ((to (message-fetch-field "to"))
- (cc (message-fetch-field "cc")))
- (when (> (length to) 1024)
- (gnus-article-hide-header "to"))
- (when (> (length cc) 1024)
- (gnus-article-hide-header "cc"))))
- ((eq elem 'many-to)
- (let ((to-count 0)
- (cc-count 0))
- (goto-char (point-min))
- (while (re-search-forward "^to:" nil t)
- (setq to-count (1+ to-count)))
- (when (> to-count 1)
- (while (> to-count 0)
- (goto-char (point-min))
- (save-restriction
- (re-search-forward "^to:" nil nil to-count)
- (forward-line -1)
- (narrow-to-region (point) (point-max))
- (gnus-article-hide-header "to"))
- (setq to-count (1- to-count))))
- (goto-char (point-min))
- (while (re-search-forward "^cc:" nil t)
- (setq cc-count (1+ cc-count)))
- (when (> cc-count 1)
- (while (> cc-count 0)
- (goto-char (point-min))
- (save-restriction
- (re-search-forward "^cc:" nil nil cc-count)
- (forward-line -1)
- (narrow-to-region (point) (point-max))
- (gnus-article-hide-header "cc"))
- (setq cc-count (1- cc-count)))))))))))))
-
-(defun gnus-article-hide-header (header)
- (save-excursion
- (goto-char (point-min))
- (when (re-search-forward (concat "^" header ":") nil t)
- (gnus-article-hide-text-type
- (progn (beginning-of-line) (point))
- (progn
- (end-of-line)
- (if (re-search-forward "^[^ \t]" nil t)
- (match-beginning 0)
- (point-max)))
- 'boring-headers))))
-
-(defun article-toggle-headers (&optional arg)
- "Toggle hiding of headers. If given a negative prefix, always show;
-if given a positive prefix, always hide."
- (interactive (gnus-article-hidden-arg))
- (let ((force (when (numberp arg)
- (cond ((> arg 0) 'always-hide)
- ((< arg 0) 'always-show))))
- (window (get-buffer-window gnus-article-buffer))
- (header-end (point-min))
- header-start field-end field-start
- (inhibit-point-motion-hooks t)
- (inhibit-read-only t))
- (save-restriction
- (widen)
- (while (and (setq header-start
- (text-property-any header-end (point-max)
- 'article-treated-header t))
- (setq header-end
- (text-property-not-all header-start (point-max)
- 'article-treated-header t)))
- (setq field-end header-start)
- (cond
- (;; Hide exposed invisible fields.
- (and (not (eq 'always-show force))
- (setq field-start
- (text-property-any field-end header-end
- 'exposed-invisible-field t)))
- (while (and field-start
- (setq field-end (text-property-not-all
- field-start header-end
- 'exposed-invisible-field t)))
- (add-text-properties field-start field-end gnus-hidden-properties)
- (setq field-start (text-property-any field-end header-end
- 'exposed-invisible-field t)))
- (put-text-property header-start header-end
- 'exposed-invisible-field nil))
- (;; Expose invisible fields.
- (and (not (eq 'always-hide force))
- (setq field-start
- (text-property-any field-end header-end 'invisible t)))
- (while (and field-start
- (setq field-end (text-property-not-all
- field-start header-end
- 'invisible t)))
- ;; If the invisible text is not terminated with newline, we
- ;; won't expose it. Because it may be created by x-face-mule.
- ;; BTW, XEmacs sometimes fail in putting a invisible text
- ;; property with `gnus-article-hide-text' (really?). In that
- ;; case, the invisible text might be started from the middle of
- ;; a line so we will expose the sort of thing.
- (when (or (not (or (eq header-start field-start)
- (eq ?\n (char-before field-start))))
- (eq ?\n (char-before field-end)))
- (remove-text-properties field-start field-end
- gnus-hidden-properties)
- (put-text-property field-start field-end
- 'exposed-invisible-field t))
- (setq field-start (text-property-any field-end header-end
- 'invisible t))))
- (;; Hide fields.
- (not (eq 'always-show force))
- (narrow-to-region header-start header-end)
- (article-hide-headers)
- ;; Re-display X-Face image under XEmacs.
- (when (and (featurep 'xemacs)
- (gnus-functionp gnus-article-x-face-command))
- (let ((func (cadr (assq 'gnus-treat-display-xface
- gnus-treatment-function-alist)))
- (condition 'head))
- (when (and (not gnus-inhibit-treatment)
- func
- (gnus-treat-predicate gnus-treat-display-xface))
- (funcall func)
- (put-text-property header-start header-end 'read-only nil))))
- (widen))
- ))
- (goto-char (point-min))
- (when window
- (set-window-start window (point-min))))))
-
-(defvar gnus-article-normalized-header-length 40
- "Length of normalized headers.")
-
-(defun article-normalize-headers ()
- "Make all header lines 40 characters long."
- (interactive)
- (let ((buffer-read-only nil)
- column)
- (save-excursion
- (save-restriction
- (article-narrow-to-head)
- (while (not (eobp))
- (cond
- ((< (setq column (- (gnus-point-at-eol) (point)))
- gnus-article-normalized-header-length)
- (end-of-line)
- (insert (make-string
- (- gnus-article-normalized-header-length column)
- ? )))
- ((> column gnus-article-normalized-header-length)
- (gnus-put-text-property
- (progn
- (forward-char gnus-article-normalized-header-length)
- (point))
- (gnus-point-at-eol)
- 'invisible t))
- (t
- ;; Do nothing.
- ))
- (forward-line 1))))))
-
-(defun article-treat-dumbquotes ()
- "Translate M****s*** sm*rtq**t*s into proper text.
-Note that this function guesses whether a character is a sm*rtq**t* or
-not, so it should only be used interactively.
-
-Sm*rtq**t*s are M****s***'s unilateral extension to the character map
-in an attempt to provide more quoting characters. If you see
-something like \\222 or \\264 where you're expecting some kind of
-apostrophe or quotation mark, then try this wash."
- (interactive)
- (article-translate-strings gnus-article-dumbquotes-map))
-
-(defun article-translate-characters (from to)
- "Translate all characters in the body of the article according to FROM and TO.
-FROM is a string of characters to translate from; to is a string of
-characters to translate to."
- (save-excursion
- (when (article-goto-body)
- (let ((buffer-read-only nil)
- (x (make-string 225 ?x))
- (i -1))
- (while (< (incf i) (length x))
- (aset x i i))
- (setq i 0)
- (while (< i (length from))
- (aset x (aref from i) (aref to i))
- (incf i))
- (translate-region (point) (point-max) x)))))
-
-(defun article-translate-strings (map)
- "Translate all string in the body of the article according to MAP.
-MAP is an alist where the elements are on the form (\"from\" \"to\")."
- (save-excursion
- (when (article-goto-body)
- (let ((buffer-read-only nil)
- elem)
- (while (setq elem (pop map))
- (save-excursion
- (while (search-forward (car elem) nil t)
- (replace-match (cadr elem)))))))))
-
-(defun article-treat-overstrike ()
- "Translate overstrikes into bold text."
- (interactive)
- (save-excursion
- (when (article-goto-body)
- (let ((buffer-read-only nil))
- (while (search-forward "\b" nil t)
- (let ((next (char-after))
- start end previous)
- (backward-char 2)
- (setq start (point)
- previous (char-after))
- (forward-char 3)
- (setq end (point))
- (backward-char)
- ;; We do the boldification/underlining by hiding the
- ;; overstrikes and putting the proper text property
- ;; on the letters.
- (cond
- ((eq next previous)
- (gnus-article-hide-text-type start (point) 'overstrike)
- (put-text-property (point) end 'face 'bold))
- ((eq next ?_)
- (gnus-article-hide-text-type
- (1- (point)) (1+ (point)) 'overstrike)
- (put-text-property
- start (1- (point)) 'face 'underline))
- ((eq previous ?_)
- (gnus-article-hide-text-type start (point) 'overstrike)
- (put-text-property
- (point) end 'face 'underline)))))))))
-
-(defun article-fill-long-lines ()
- "Fill lines that are wider than the window width."
- (interactive)
- (save-excursion
- (let ((buffer-read-only nil)
- (width (window-width (get-buffer-window (current-buffer)))))
- (save-restriction
- (article-goto-body)
- (let ((adaptive-fill-mode nil)) ;Why? -sm
- (while (not (eobp))
- (end-of-line)
- (when (>= (current-column) (min fill-column width))
- (narrow-to-region (point) (gnus-point-at-bol))
- (fill-paragraph nil)
- (goto-char (point-max))
- (widen))
- (forward-line 1)))))))
-
-(defun article-capitalize-sentences ()
- "Capitalize the first word in each sentence."
- (interactive)
- (save-excursion
- (let ((buffer-read-only nil)
- (paragraph-start "^[\n\^L]"))
- (article-goto-body)
- (while (not (eobp))
- (capitalize-word 1)
- (forward-sentence)))))
-
-(defun article-remove-cr ()
- "Remove trailing CRs and then translate remaining CRs into LFs."
- (interactive)
- (save-excursion
- (let ((buffer-read-only nil))
- (goto-char (point-min))
- (while (re-search-forward "\r+$" nil t)
- (replace-match "" t t))
- (goto-char (point-min))
- (while (search-forward "\r" nil t)
- (replace-match "\n" t t)))))
-
-(defun article-remove-trailing-blank-lines ()
- "Remove all trailing blank lines from the article."
- (interactive)
- (save-excursion
- (let ((buffer-read-only nil))
- (goto-char (point-max))
- (delete-region
- (point)
- (progn
- (while (and (not (bobp))
- (looking-at "^[ \t]*$")
- (not (gnus-annotation-in-region-p
- (point) (gnus-point-at-eol))))
- (forward-line -1))
- (forward-line 1)
- (point))))))
-
-(defun article-display-x-face (&optional force)
- "Look for an X-Face header and display it if present."
- (interactive (list 'force))
- (save-excursion
- ;; Delete the old process, if any.
- (when (process-status "article-x-face")
- (delete-process "article-x-face"))
- (let ((inhibit-point-motion-hooks t)
- x-faces
- (case-fold-search t)
- from last)
- (save-restriction
- (article-narrow-to-head)
-;; (when (and buffer-read-only ;; When type `W f'
-;; (progn
-;; (goto-char (point-min))
-;; (not (re-search-forward "^X-Face:[\t ]*" nil t)))
-;; (gnus-buffer-live-p gnus-original-article-buffer))
-;; (with-current-buffer gnus-original-article-buffer
-;; (save-restriction
-;; (article-narrow-to-head)
-;; (while (re-search-forward "^X-Face:" nil t)
-;; (setq x-faces
-;; (concat
-;; (or x-faces "")
-;; (buffer-substring
-;; (match-beginning 0)
-;; (1- (re-search-forward
-;; "^\\($\\|[^ \t]\\)" nil t))))))))
-;; (if x-faces
-;; (let (point start bface eface buffer-read-only)
-;; (goto-char (point-max))
-;; (forward-line -1)
-;; (setq bface (get-text-property (gnus-point-at-bol) 'face)
-;; eface (get-text-property (1- (gnus-point-at-eol)) 'face))
-;; (goto-char (point-max))
-;; (setq point (point))
-;; (insert x-faces)
-;; (goto-char point)
-;; (while (looking-at "\\([^:]+\\): *")
-;; (put-text-property (match-beginning 1) (1+ (match-end 1))
-;; 'face bface)
-;; (setq start (match-end 0))
-;; (forward-line 1)
-;; (while (looking-at "[\t ]")
-;; (forward-line 1))
-;; (put-text-property start (point)
-;; 'face eface)))))
- (goto-char (point-min))
- (setq from (message-fetch-field "from"))
- (goto-char (point-min))
- (while (and gnus-article-x-face-command
- (not last)
- (or force
- ;; Check whether this face is censored.
- (not gnus-article-x-face-too-ugly)
- (and gnus-article-x-face-too-ugly from
- (not (string-match gnus-article-x-face-too-ugly
- from))))
- ;; Has to be present.
- (re-search-forward "^X-Face:[\t ]*" nil t))
- ;; This used to try to do multiple faces (`while' instead of
- ;; `when' above), but (a) sending multiple EOFs to xv doesn't
- ;; work (b) it can crash some versions of Emacs (c) are
- ;; multiple faces really something to encourage?
- (when (stringp gnus-article-x-face-command)
- (setq last t))
- ;; We now have the area of the buffer where the X-Face is stored.
- (save-excursion
- (let ((beg (point))
- (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t))))
- ;; We display the face.
- (if (symbolp gnus-article-x-face-command)
- ;; The command is a lisp function, so we call it.
- (if (gnus-functionp gnus-article-x-face-command)
- (funcall gnus-article-x-face-command beg end)
- (error "%s is not a function" gnus-article-x-face-command))
- ;; The command is a string, so we interpret the command
- ;; as a, well, command, and fork it off.
- (let ((process-connection-type nil))
- (process-kill-without-query
- (start-process
- "article-x-face" nil shell-file-name shell-command-switch
- gnus-article-x-face-command))
- (process-send-region "article-x-face" beg end)
- (process-send-eof "article-x-face"))))))))))
-
-(defun article-decode-mime-words ()
- "Decode all MIME-encoded words in the article."
- (interactive)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((inhibit-point-motion-hooks t)
- buffer-read-only
- (mail-parse-charset gnus-newsgroup-charset)
- (mail-parse-ignored-charsets
- (save-excursion (set-buffer gnus-summary-buffer)
- gnus-newsgroup-ignored-charsets)))
- (mail-decode-encoded-word-region (point-min) (point-max)))))
-
-(defun article-decode-charset (&optional prompt)
- "Decode charset-encoded text in the article.
-If PROMPT (the prefix), prompt for a coding system to use."
- (interactive "P")
- (let ((inhibit-point-motion-hooks t) (case-fold-search t)
- buffer-read-only
- (mail-parse-charset gnus-newsgroup-charset)
- (mail-parse-ignored-charsets
- (save-excursion (condition-case nil
- (set-buffer gnus-summary-buffer)
- (error))
- gnus-newsgroup-ignored-charsets))
- ct cte ctl charset format)
- (save-excursion
- (save-restriction
- (article-narrow-to-head)
- (setq ct (message-fetch-field "Content-Type" t)
- cte (message-fetch-field "Content-Transfer-Encoding" t)
- ctl (and ct (ignore-errors
- (mail-header-parse-content-type ct)))
- charset (cond
- (prompt
- (mm-read-coding-system "Charset to decode: "))
- (ctl
- (mail-content-type-get ctl 'charset)))
- format (and ctl (mail-content-type-get ctl 'format)))
- (when cte
- (setq cte (mail-header-strip cte)))
- (if (and ctl (not (string-match "/" (car ctl))))
- (setq ctl nil))
- (goto-char (point-max)))
- (forward-line 1)
- (save-restriction
- (narrow-to-region (point) (point-max))
- (when (and (eq mail-parse-charset 'gnus-decoded)
- (eq (mm-body-7-or-8) '8bit))
- ;; The text code could have been decoded.
- (setq charset mail-parse-charset))
- (when (and (or (not ctl)
- (equal (car ctl) "text/plain"))
- (not format)) ;; article with format will decode later.
- (mm-decode-body
- charset (and cte (intern (downcase
- (gnus-strip-whitespace cte))))
- (car ctl)))))))
-
-(defun article-decode-encoded-words ()
- "Remove encoded-word encoding from headers."
- (let (buffer-read-only)
- (let ((charset (save-excursion
- (set-buffer gnus-summary-buffer)
- default-mime-charset)))
- (mime-decode-header-in-buffer charset)
- )))
-
-(defun article-de-quoted-unreadable (&optional force read-charset)
- "Translate a quoted-printable-encoded article.
-If FORCE, decode the article whether it is marked as quoted-printable
-or not.
-If READ-CHARSET, ask for a coding system."
- (interactive (list 'force current-prefix-arg))
- (save-excursion
- (let ((buffer-read-only nil) type charset)
- (if (gnus-buffer-live-p gnus-original-article-buffer)
- (with-current-buffer gnus-original-article-buffer
- (setq type
- (gnus-fetch-field "content-transfer-encoding"))
- (let* ((ct (gnus-fetch-field "content-type"))
- (ctl (and ct
- (ignore-errors
- (mail-header-parse-content-type ct)))))
- (setq charset (and ctl
- (mail-content-type-get ctl 'charset)))
- (if (stringp charset)
- (setq charset (intern (downcase charset)))))))
- (if read-charset
- (setq charset (mm-read-coding-system "Charset: " charset)))
- (unless charset
- (setq charset gnus-newsgroup-charset))
- (when (or force
- (and type (let ((case-fold-search t))
- (string-match "quoted-printable" type))))
- (article-goto-body)
- (quoted-printable-decode-region
- (point) (point-max) (mm-charset-to-coding-system charset))))))
-
-(defun article-de-base64-unreadable (&optional force read-charset)
- "Translate a base64 article.
-If FORCE, decode the article whether it is marked as base64 not.
-If READ-CHARSET, ask for a coding system."
- (interactive (list 'force current-prefix-arg))
- (save-excursion
- (let ((buffer-read-only nil) type charset)
- (if (gnus-buffer-live-p gnus-original-article-buffer)
- (with-current-buffer gnus-original-article-buffer
- (setq type
- (gnus-fetch-field "content-transfer-encoding"))
- (let* ((ct (gnus-fetch-field "content-type"))
- (ctl (and ct
- (ignore-errors
- (mail-header-parse-content-type ct)))))
- (setq charset (and ctl
- (mail-content-type-get ctl 'charset)))
- (if (stringp charset)
- (setq charset (intern (downcase charset)))))))
- (if read-charset
- (setq charset (mm-read-coding-system "Charset: " charset)))
- (unless charset
- (setq charset gnus-newsgroup-charset))
- (when (or force
- (and type (let ((case-fold-search t))
- (string-match "base64" type))))
- (article-goto-body)
- (save-restriction
- (narrow-to-region (point) (point-max))
- (base64-decode-region (point-min) (point-max))
- (mm-decode-coding-region
- (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
-
-(eval-when-compile
- (require 'rfc1843))
-
-(defun article-decode-HZ ()
- "Translate a HZ-encoded article."
- (interactive)
- (require 'rfc1843)
- (save-excursion
- (let ((buffer-read-only nil))
- (rfc1843-decode-region (point-min) (point-max)))))
-
-(defun article-wash-html (&optional read-charset)
- "Format an html article.
-If READ-CHARSET, ask for a coding system."
- (interactive "P")
- (save-excursion
- (let ((buffer-read-only nil)
- charset)
- (if (gnus-buffer-live-p gnus-original-article-buffer)
- (with-current-buffer gnus-original-article-buffer
- (let* ((ct (gnus-fetch-field "content-type"))
- (ctl (and ct
- (ignore-errors
- (mail-header-parse-content-type ct)))))
- (setq charset (and ctl
- (mail-content-type-get ctl 'charset)))
- (if (stringp charset)
- (setq charset (intern (downcase charset)))))))
- (if read-charset
- (setq charset (mm-read-coding-system "Charset: " charset)))
- (unless charset
- (setq charset gnus-newsgroup-charset))
- (article-goto-body)
- (save-window-excursion
- (save-restriction
- (narrow-to-region (point) (point-max))
- (mm-setup-w3)
- (let ((w3-strict-width (window-width))
- (url-standalone-mode t))
- (condition-case var
- (w3-region (point-min) (point-max))
- (error))))))))
-
-(defun article-hide-list-identifiers ()
- "Remove list identifies from the Subject header.
-The `gnus-list-identifiers' variable specifies what to do."
- (interactive)
- (let ((inhibit-point-motion-hooks t)
- (regexp (if (consp gnus-list-identifiers)
- (mapconcat 'identity gnus-list-identifiers " *\\|")
- gnus-list-identifiers))
- buffer-read-only)
- (when regexp
- (save-excursion
- (save-restriction
- (article-narrow-to-head)
- (goto-char (point-min))
- (while (re-search-forward
- (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
- nil t)
- (delete-region (match-beginning 2) (match-end 0))
- (beginning-of-line))
- (when (re-search-forward
- "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
- (delete-region (match-beginning 1) (match-end 1))))))))
-
-(defun article-hide-pgp ()
- "Remove any PGP headers and signatures in the current article."
- (interactive)
- (save-excursion
- (save-restriction
- (let ((inhibit-point-motion-hooks t)
- buffer-read-only beg end)
- (article-goto-body)
- ;; Hide the "header".
- (when (re-search-forward "^-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
- (push 'pgp gnus-article-wash-types)
- (delete-region (match-beginning 0) (match-end 0))
- ;; Remove armor headers (rfc2440 6.2)
- (delete-region (point) (or (re-search-forward "^[ \t]*\n" nil t)
- (point)))
- (setq beg (point))
- ;; Hide the actual signature.
- (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
- (setq end (1+ (match-beginning 0)))
- (delete-region
- end
- (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t)
- (match-end 0)
- ;; Perhaps we shouldn't hide to the end of the buffer
- ;; if there is no end to the signature?
- (point-max))))
- ;; Hide "- " PGP quotation markers.
- (when (and beg end)
- (narrow-to-region beg end)
- (goto-char (point-min))
- (while (re-search-forward "^- " nil t)
- (delete-region
- (match-beginning 0) (match-end 0)))
- (widen))
- (gnus-run-hooks 'gnus-article-hide-pgp-hook))))))
-
-(defun article-hide-pem (&optional arg)
- "Toggle hiding of any PEM headers and signatures in the current article.
-If given a negative prefix, always show; if given a positive prefix,
-always hide."
- (interactive (gnus-article-hidden-arg))
- (unless (gnus-article-check-hidden-text 'pem arg)
- (save-excursion
- (let (buffer-read-only end)
- (goto-char (point-min))
- ;; Hide the horrendously ugly "header".
- (when (and (search-forward
- "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
- nil t)
- (setq end (1+ (match-beginning 0))))
- (push 'pem gnus-article-wash-types)
- (gnus-article-hide-text-type
- end
- (if (search-forward "\n\n" nil t)
- (match-end 0)
- (point-max))
- 'pem)
- ;; Hide the trailer as well
- (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
- nil t)
- (gnus-article-hide-text-type
- (match-beginning 0) (match-end 0) 'pem)))))))
-
-(defun article-strip-banner ()
- "Strip the banner specified by the `banner' group parameter."
- (interactive)
- (save-excursion
- (save-restriction
- (let ((inhibit-point-motion-hooks t)
- (banner (gnus-parameter-banner gnus-newsgroup-name))
- (gnus-signature-limit nil)
- buffer-read-only beg end)
- (when banner
- (article-goto-body)
- (cond
- ((eq banner 'signature)
- (when (gnus-article-narrow-to-signature)
- (widen)
- (forward-line -1)
- (delete-region (point) (point-max))))
- ((symbolp banner)
- (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
- (while (re-search-forward banner nil t)
- (delete-region (match-beginning 0) (match-end 0)))))
- ((stringp banner)
- (while (re-search-forward banner nil t)
- (delete-region (match-beginning 0) (match-end 0))))))))))
-
-(defun article-babel ()
- "Translate article using an online translation service."
- (interactive)
- (require 'babel)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (when (article-goto-body)
- (let* ((buffer-read-only nil)
- (start (point))
- (end (point-max))
- (orig (buffer-substring start end))
- (trans (babel-as-string orig)))
- (save-restriction
- (narrow-to-region start end)
- (delete-region start end)
- (insert trans))))))
-
-(defun article-hide-signature (&optional arg)
- "Hide the signature in the current article.
-If given a negative prefix, always show; if given a positive prefix,
-always hide."
- (interactive (gnus-article-hidden-arg))
- (save-excursion
- (save-restriction
- (if (interactive-p)
- (progn
- (widen)
- (article-goto-body))
- (goto-char (point-min)))
- (unless (gnus-article-check-hidden-text 'signature arg)
- (let ((buffer-read-only nil)
- (button (point)))
- (while (setq button (text-property-any button (point-max)
- 'gnus-callback
- 'gnus-signature-toggle))
- (setq button (text-property-not-all button (point-max)
- 'gnus-callback
- 'gnus-signature-toggle))
- (when (and button (not (eobp)))
- (gnus-article-hide-text-type
- (1+ button)
- (next-single-property-change (1+ button) 'mime-view-entity
- nil (point-max))
- 'signature))))))))
-
-(defun article-strip-headers-in-body ()
- "Strip offensive headers from bodies."
- (interactive)
- (save-excursion
- (article-goto-body)
- (let ((case-fold-search t))
- (when (looking-at "x-no-archive:")
- (gnus-delete-line)))))
-
-(defun article-strip-leading-blank-lines ()
- "Remove all blank lines from the beginning of the article."
- (interactive)
- (save-excursion
- (let ((inhibit-point-motion-hooks t)
- buffer-read-only)
- (when (article-goto-body)
- (while (and (not (eobp))
- (looking-at "[ \t]*$"))
- (gnus-delete-line))))))
-
-(defun article-narrow-to-head ()
- "Narrow the buffer to the head of the message.
-Point is left at the beginning of the narrowed-to region."
- (narrow-to-region
- (goto-char (point-min))
- (if (search-forward "\n\n" nil 1)
- (1- (point))
- (point-max)))
- (goto-char (point-min)))
-
-(defun article-goto-body ()
- "Place point at the start of the body."
- (goto-char (point-min))
- (cond
- ;; This variable is only bound when dealing with separate
- ;; MIME body parts.
- (article-goto-body-goes-to-point-min-p
- t)
- ((search-forward "\n\n" nil t)
- t)
- (t
- (goto-char (point-max))
- nil)))
-
-(defun article-strip-multiple-blank-lines ()
- "Replace consecutive blank lines with one empty line."
- (interactive)
- (save-excursion
- (let ((inhibit-point-motion-hooks t)
- buffer-read-only)
- ;; First make all blank lines empty.
- (article-goto-body)
- (while (re-search-forward "^[ \t]+$" nil t)
- (unless (gnus-annotation-in-region-p
- (match-beginning 0) (match-end 0))
- (replace-match "" nil t)))
- ;; Then replace multiple empty lines with a single empty line.
- (article-goto-body)
- (while (re-search-forward "\n\n\\(\n+\\)" nil t)
- (unless (gnus-annotation-in-region-p
- (match-beginning 0) (match-end 0))
- (delete-region (match-beginning 1) (match-end 1)))))))
-
-(defun article-strip-leading-space ()
- "Remove all white space from the beginning of the lines in the article."
- (interactive)
- (save-excursion
- (let ((inhibit-point-motion-hooks t)
- buffer-read-only)
- (article-goto-body)
- (while (re-search-forward "^[ \t]+" nil t)
- (replace-match "" t t)))))
-
-(defun article-strip-trailing-space ()
- "Remove all white space from the end of the lines in the article."
- (interactive)
- (save-excursion
- (let ((inhibit-point-motion-hooks t)
- buffer-read-only)
- (article-goto-body)
- (while (re-search-forward "[ \t]+$" nil t)
- (replace-match "" t t)))))
-
-(defun article-strip-blank-lines ()
- "Strip leading, trailing and multiple blank lines."
- (interactive)
- (article-strip-leading-blank-lines)
- (article-remove-trailing-blank-lines)
- (article-strip-multiple-blank-lines))
-
-(defun article-strip-all-blank-lines ()
- "Strip all blank lines."
- (interactive)
- (save-excursion
- (let ((inhibit-point-motion-hooks t)
- buffer-read-only)
- (article-goto-body)
- (while (re-search-forward "^[ \t]*\n" nil t)
- (replace-match "" t t)))))
-
-(defun gnus-article-narrow-to-signature ()
- "Narrow to the signature; return t if a signature is found, else nil."
- (let ((inhibit-point-motion-hooks t))
- (when (gnus-article-search-signature)
- (forward-line 1)
- ;; Check whether we have some limits to what we consider
- ;; to be a signature.
- (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
- (list gnus-signature-limit)))
- limit limited)
- (while (setq limit (pop limits))
- (if (or (and (integerp limit)
- (< (- (point-max) (point)) limit))
- (and (floatp limit)
- (< (count-lines (point) (point-max)) limit))
- (and (gnus-functionp limit)
- (funcall limit))
- (and (stringp limit)
- (not (re-search-forward limit nil t))))
- () ; This limit did not succeed.
- (setq limited t
- limits nil)))
- (unless limited
- (narrow-to-region (point) (point-max))
- t)))))
-
-(defun gnus-article-search-signature ()
- "Search the current buffer for the signature separator.
-Put point at the beginning of the signature separator."
- (let ((cur (point)))
- (goto-char (point-max))
- (if (if (stringp gnus-signature-separator)
- (re-search-backward gnus-signature-separator nil t)
- (let ((seps gnus-signature-separator))
- (while (and seps
- (not (re-search-backward (car seps) nil t)))
- (pop seps))
- seps))
- t
- (goto-char cur)
- nil)))
-
-(defun gnus-article-hidden-arg ()
- "Return the current prefix arg as a number, or 0 if no prefix."
- (list (if current-prefix-arg
- (prefix-numeric-value current-prefix-arg)
- 0)))
-
-(defun gnus-article-check-hidden-text (type arg)
- "Return nil if hiding is necessary.
-Arg can be nil or a number. Nil and positive means hide, negative
-means show, 0 means toggle."
- (save-excursion
- (save-restriction
- (let ((hide (gnus-article-hidden-text-p type)))
- (cond
- ((or (null arg)
- (> arg 0))
- nil)
- ((< arg 0)
- (gnus-article-show-hidden-text type)
- t)
- (t
- (if (eq hide 'hidden)
- (progn
- (gnus-article-show-hidden-text type)
- t)
- nil)))))))
-
-(defun gnus-article-hidden-text-p (type)
- "Say whether the current buffer contains hidden text of type TYPE."
- (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
- (while (and pos
- (not (get-text-property pos 'invisible))
- (not (get-text-property pos 'dummy-invisible)))
- (setq pos
- (text-property-any (1+ pos) (point-max) 'article-type type)))
- (if pos
- 'hidden
- nil)))
-
-(defun gnus-article-show-hidden-text (type &optional dummy)
- "Show all hidden text of type TYPE.
-Originally it is hide instead of DUMMY."
- (let ((buffer-read-only nil)
- (inhibit-point-motion-hooks t))
- (gnus-remove-text-properties-when
- 'article-type type
- (point-min) (point-max)
- (cons 'article-type (cons type
- gnus-hidden-properties)))))
-
-(defconst article-time-units
- `((year . ,(* 365.25 24 60 60))
- (week . ,(* 7 24 60 60))
- (day . ,(* 24 60 60))
- (hour . ,(* 60 60))
- (minute . 60)
- (second . 1))
- "Mapping from time units to seconds.")
-
-(defun article-date-ut (&optional type highlight header)
- "Convert DATE date to universal time in the current article.
-If TYPE is `local', convert to local time; if it is `lapsed', output
-how much time has lapsed since DATE. For `lapsed', the value of
-`gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
-should replace the \"Date:\" one, or should be added below it."
- (interactive (list 'ut t))
- (let* ((header (or header
- (and (eq 1 (point-min))
- (mail-header-date (save-excursion
- (set-buffer gnus-summary-buffer)
- gnus-current-headers)))
- (message-fetch-field "date")
- ""))
- (date (if (vectorp header) (mail-header-date header)
- header))
- (inhibit-point-motion-hooks t)
- bface eface date-pos)
- (when (and date (not (string= date "")))
- (save-excursion
- (save-restriction
- (article-narrow-to-head)
- (when (or (and (eq type 'lapsed)
- gnus-article-date-lapsed-new-header
- ;; Attempt to get the face of X-Sent first.
- (re-search-forward "^X-Sent:[ \t]" nil t))
- (re-search-forward "^Date:[ \t]" nil t)
- ;; If Date is missing, try again for X-Sent.
- (re-search-forward "^X-Sent:[ \t]" nil t))
- (setq bface (get-text-property (gnus-point-at-bol) 'face)
- date (or (get-text-property (gnus-point-at-bol)
- 'original-date)
- date)
- eface (get-text-property (1- (gnus-point-at-eol))
- 'face)))
- (let ((buffer-read-only nil))
- ;; Delete any old X-Sent headers.
- (when (setq date-pos
- (text-property-any (point-min) (point-max)
- 'article-date-lapsed t))
- (goto-char (setq date-pos (set-marker (make-marker) date-pos)))
- (delete-region (match-beginning 0)
- (progn (forward-line 1) (point))))
- (goto-char (point-min))
- ;; Delete any old Date headers.
- (while (re-search-forward "^Date:[ \t]" nil t)
- (unless date-pos
- (setq date-pos (match-beginning 0)))
- (unless (and (eq type 'lapsed)
- gnus-article-date-lapsed-new-header)
- (delete-region (match-beginning 0)
- (progn (message-next-header) (point)))))
- (if date-pos
- (progn
- (goto-char date-pos)
- (unless (bolp)
- ;; Possibly, Date has been deleted.
- (insert "\n"))
- (when (and (eq type 'lapsed)
- gnus-article-date-lapsed-new-header
- (looking-at "Date:"))
- (forward-line 1)))
- (goto-char (point-min)))
- (insert (article-make-date-line date type))
- (when (eq type 'lapsed)
- (put-text-property (gnus-point-at-bol) (point)
- 'article-date-lapsed t))
- (insert "\n")
- (forward-line -1)
- ;; Do highlighting.
- (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
- (put-text-property (match-beginning 1) (1+ (match-end 1))
- 'original-date date)
- (put-text-property (match-beginning 1) (1+ (match-end 1))
- 'face bface)
- (put-text-property (match-beginning 2) (match-end 2)
- 'face eface))))))))
-
-(defun article-make-date-line (date type)
- "Return a DATE line of TYPE."
- (unless (memq type '(local ut original user iso8601 lapsed english))
- (error "Unknown conversion type: %s" type))
- (condition-case ()
- (let ((time (date-to-time date)))
- (cond
- ;; Convert to the local timezone.
- ((eq type 'local)
- (let ((tz (car (current-time-zone time))))
- (format "Date: %s %s%02d%02d" (current-time-string time)
- (if (> tz 0) "+" "-") (/ (abs tz) 3600)
- (/ (% (abs tz) 3600) 60))))
- ;; Convert to Universal Time.
- ((eq type 'ut)
- (concat "Date: "
- (current-time-string
- (let* ((e (parse-time-string date))
- (tm (apply 'encode-time e))
- (ms (car tm))
- (ls (- (cadr tm) (car (current-time-zone time)))))
- (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
- ((> ls 65535) (list (1+ ms) (- ls 65536)))
- (t (list ms ls)))))
- " UT"))
- ;; Get the original date from the article.
- ((eq type 'original)
- (concat "Date: " (if (string-match "\n+$" date)
- (substring date 0 (match-beginning 0))
- date)))
- ;; Let the user define the format.
- ((eq type 'user)
- (if (gnus-functionp gnus-article-time-format)
- (funcall gnus-article-time-format time)
- (concat
- "Date: "
- (format-time-string gnus-article-time-format time))))
- ;; ISO 8601.
- ((eq type 'iso8601)
- (let ((tz (car (current-time-zone time))))
- (concat
- "Date: "
- (format-time-string "%Y%m%dT%H%M%S" time)
- (format "%s%02d%02d"
- (if (> tz 0) "+" "-") (/ (abs tz) 3600)
- (/ (% (abs tz) 3600) 60)))))
- ;; Do an X-Sent lapsed format.
- ((eq type 'lapsed)
- ;; If the date is seriously mangled, the timezone functions are
- ;; liable to bug out, so we ignore all errors.
- (let* ((now (current-time))
- (real-time (subtract-time now time))
- (real-sec (and real-time
- (+ (* (float (car real-time)) 65536)
- (cadr real-time))))
- (sec (and real-time (abs real-sec)))
- num prev)
- (cond
- ((null real-time)
- "X-Sent: Unknown")
- ((zerop sec)
- "X-Sent: Now")
- (t
- (concat
- "X-Sent: "
- ;; This is a bit convoluted, but basically we go
- ;; through the time units for years, weeks, etc,
- ;; and divide things to see whether that results
- ;; in positive answers.
- (mapconcat
- (lambda (unit)
- (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
- ;; The (remaining) seconds are too few to
- ;; be divided into this time unit.
- ""
- ;; It's big enough, so we output it.
- (setq sec (- sec (* num (cdr unit))))
- (prog1
- (concat (if prev ", " "") (int-to-string
- (floor num))
- " " (symbol-name (car unit))
- (if (> num 1) "s" ""))
- (setq prev t))))
- article-time-units "")
- ;; If dates are odd, then it might appear like the
- ;; article was sent in the future.
- (if (> real-sec 0)
- " ago"
- " in the future"))))))
- ;; Display the date in proper English
- ((eq type 'english)
- (let ((dtime (decode-time time)))
- (concat
- "Date: the "
- (number-to-string (nth 3 dtime))
- (let ((digit (% (nth 3 dtime) 10)))
- (cond
- ((memq (nth 3 dtime) '(11 12 13)) "th")
- ((= digit 1) "st")
- ((= digit 2) "nd")
- ((= digit 3) "rd")
- (t "th")))
- " of "
- (nth (1- (nth 4 dtime)) gnus-english-month-names)
- " "
- (number-to-string (nth 5 dtime))
- " at "
- (format "%02d" (nth 2 dtime))
- ":"
- (format "%02d" (nth 1 dtime)))))))
- (error
- (format "Date: %s (from Oort)" date))))
-
-(defun article-date-local (&optional highlight)
- "Convert the current article date to the local timezone."
- (interactive (list t))
- (article-date-ut 'local highlight))
-
-(defun article-date-english (&optional highlight)
- "Convert the current article date to something that is proper English."
- (interactive (list t))
- (article-date-ut 'english highlight))
-
-(defun article-date-original (&optional highlight)
- "Convert the current article date to what it was originally.
-This is only useful if you have used some other date conversion
-function and want to see what the date was before converting."
- (interactive (list t))
- (article-date-ut 'original highlight))
-
-(defun article-date-lapsed (&optional highlight)
- "Convert the current article date to time lapsed since it was sent."
- (interactive (list t))
- (article-date-ut 'lapsed highlight))
-
-(defun article-update-date-lapsed ()
- "Function to be run from a timer to update the lapsed time line."
- (let (deactivate-mark)
- (save-excursion
- (ignore-errors
- (walk-windows
- (lambda (w)
- (set-buffer (window-buffer w))
- (when (eq major-mode 'gnus-article-mode)
- (goto-char (point-min))
- (when (re-search-forward "^X-Sent:" nil t)
- (article-date-lapsed t))))
- nil 'visible)))))
-
-(defun gnus-start-date-timer (&optional n)
- "Start a timer to update the X-Sent header in the article buffers.
-The numerical prefix says how frequently (in seconds) the function
-is to run."
- (interactive "p")
- (unless n
- (setq n 1))
- (gnus-stop-date-timer)
- (setq article-lapsed-timer
- (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
-
-(defun gnus-stop-date-timer ()
- "Stop the X-Sent timer."
- (interactive)
- (when article-lapsed-timer
- (nnheader-cancel-timer article-lapsed-timer)
- (setq article-lapsed-timer nil)))
-
-(defun article-date-user (&optional highlight)
- "Convert the current article date to the user-defined format.
-This format is defined by the `gnus-article-time-format' variable."
- (interactive (list t))
- (article-date-ut 'user highlight))
-
-(defun article-date-iso8601 (&optional highlight)
- "Convert the current article date to ISO8601."
- (interactive (list t))
- (article-date-ut 'iso8601 highlight))
-
-(defun article-show-all ()
- "Show all hidden text in the article buffer."
- (interactive)
- (save-excursion
- (widen)
- (let ((buffer-read-only nil))
- (gnus-article-unhide-text (point-min) (point-max))
- (gnus-remove-text-with-property 'gnus-prev)
- (gnus-remove-text-with-property 'gnus-next))))
-
-(defun article-show-all-headers ()
- "Show all hidden headers in the article buffer."
- (interactive)
- (save-excursion
- (save-restriction
- (widen)
- (article-narrow-to-head)
- (let ((buffer-read-only nil))
- (gnus-article-unhide-text (point-min) (point-max))))))
-
-(defun article-remove-leading-whitespace ()
- "Remove excessive whitespace from all headers."
- (interactive)
- (save-excursion
- (save-restriction
- (let ((buffer-read-only nil))
- (article-narrow-to-head)
- (goto-char (point-min))
- (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
- (delete-region (match-beginning 1) (match-end 1)))))))
-
-(defun article-emphasize (&optional arg)
- "Emphasize text according to `gnus-emphasis-alist'."
- (interactive (gnus-article-hidden-arg))
- (unless (gnus-article-check-hidden-text 'emphasis arg)
- (save-excursion
- (let ((alist (or
- (condition-case nil
- (with-current-buffer gnus-summary-buffer
- gnus-article-emphasis-alist)
- (error))
- gnus-emphasis-alist))
- (buffer-read-only nil)
- (props (append '(article-type emphasis)
- gnus-hidden-properties))
- regexp elem beg invisible visible face)
- (article-goto-body)
- (setq beg (point))
- (while (setq elem (pop alist))
- (goto-char beg)
- (setq regexp (car elem)
- invisible (nth 1 elem)
- visible (nth 2 elem)
- face (nth 3 elem))
- (while (re-search-forward regexp nil t)
- (when (and (match-beginning visible) (match-beginning invisible))
- (push 'emphasis gnus-article-wash-types)
- (gnus-article-hide-text
- (match-beginning invisible) (match-end invisible) props)
- (gnus-article-unhide-text-type
- (match-beginning visible) (match-end visible) 'emphasis)
- (gnus-put-text-property-excluding-newlines
- (match-beginning visible) (match-end visible) 'face face)
- (goto-char (match-end invisible)))))))))
-
-(defun gnus-article-setup-highlight-words (&optional highlight-words)
- "Setup newsgroup emphasis alist."
- (unless gnus-article-emphasis-alist
- (let ((name (and gnus-newsgroup-name
- (gnus-group-real-name gnus-newsgroup-name))))
- (make-local-variable 'gnus-article-emphasis-alist)
- (setq gnus-article-emphasis-alist
- (nconc
- (let ((alist gnus-group-highlight-words-alist) elem highlight)
- (while (setq elem (pop alist))
- (when (and name (string-match (car elem) name))
- (setq alist nil
- highlight (copy-sequence (cdr elem)))))
- highlight)
- (copy-sequence highlight-words)
- (if gnus-newsgroup-name
- (copy-sequence (gnus-group-find-parameter
- gnus-newsgroup-name 'highlight-words t)))
- gnus-emphasis-alist)))))
-
-(eval-when-compile
- (defvar gnus-summary-article-menu)
- (defvar gnus-summary-post-menu))
-
-;;; Saving functions.
-
-(defun gnus-article-save (save-buffer file &optional num)
- "Save the currently selected article."
- (unless gnus-save-all-headers
- ;; Remove headers according to `gnus-saved-headers'.
- (let ((gnus-visible-headers
- (or gnus-saved-headers gnus-visible-headers))
- (gnus-article-buffer save-buffer))
- (save-excursion
- (set-buffer save-buffer)
- (article-hide-headers 1 t))))
- (save-window-excursion
- (if (not gnus-default-article-saver)
- (error "No default saver is defined")
- ;; !!! Magic! The saving functions all save
- ;; `gnus-save-article-buffer' (or so they think), but we
- ;; bind that variable to our save-buffer.
- (set-buffer gnus-article-buffer)
- (let* ((gnus-save-article-buffer save-buffer)
- (filename
- (cond
- ((not gnus-prompt-before-saving) 'default)
- ((eq gnus-prompt-before-saving 'always) nil)
- (t file)))
- (gnus-number-of-articles-to-be-saved
- (when (eq gnus-prompt-before-saving t)
- num))) ; Magic
- (set-buffer gnus-article-current-summary)
- (funcall gnus-default-article-saver filename)))))
-
-(defun gnus-read-save-file-name (prompt &optional filename
- function group headers variable)
- (let ((default-name
- (funcall function group headers (symbol-value variable)))
- result)
- (setq result
- (expand-file-name
- (cond
- ((eq filename 'default)
- default-name)
- ((eq filename t)
- default-name)
- (filename filename)
- (t
- (let* ((split-name (gnus-get-split-value gnus-split-methods))
- (prompt
- (format prompt
- (if (and gnus-number-of-articles-to-be-saved
- (> gnus-number-of-articles-to-be-saved 1))
- (format "these %d articles"
- gnus-number-of-articles-to-be-saved)
- "this article")))
- (file
- ;; Let the split methods have their say.
- (cond
- ;; No split name was found.
- ((null split-name)
- (read-file-name
- (concat prompt " (default "
- (file-name-nondirectory default-name) ") ")
- (file-name-directory default-name)
- default-name))
- ;; A single group name is returned.
- ((stringp split-name)
- (setq default-name
- (funcall function split-name headers
- (symbol-value variable)))
- (read-file-name
- (concat prompt " (default "
- (file-name-nondirectory default-name) ") ")
- (file-name-directory default-name)
- default-name))
- ;; A single split name was found
- ((= 1 (length split-name))
- (let* ((name (expand-file-name
- (car split-name)
- gnus-article-save-directory))
- (dir (cond ((file-directory-p name)
- (file-name-as-directory name))
- ((file-exists-p name) name)
- (t gnus-article-save-directory))))
- (read-file-name
- (concat prompt " (default " name ") ")
- dir name)))
- ;; A list of splits was found.
- (t
- (setq split-name (nreverse split-name))
- (let (result)
- (let ((file-name-history
- (nconc split-name file-name-history)))
- (setq result
- (expand-file-name
- (read-file-name
- (concat prompt " (`M-p' for defaults) ")
- gnus-article-save-directory
- (car split-name))
- gnus-article-save-directory)))
- (car (push result file-name-history)))))))
- ;; Create the directory.
- (gnus-make-directory (file-name-directory file))
- ;; If we have read a directory, we append the default file name.
- (when (file-directory-p file)
- (setq file (expand-file-name (file-name-nondirectory
- default-name)
- (file-name-as-directory file))))
- ;; Possibly translate some characters.
- (nnheader-translate-file-chars file))))))
- (gnus-make-directory (file-name-directory result))
- (set variable result)))
-
-(defun gnus-article-archive-name (group)
- "Return the first instance of an \"Archive-name\" in the current buffer."
- (let ((case-fold-search t))
- (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
- (nnheader-concat gnus-article-save-directory
- (match-string 1)))))
-
-(defun gnus-article-nndoc-name (group)
- "If GROUP is an nndoc group, return the name of the parent group."
- (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
- (gnus-group-get-parameter group 'save-article-group)))
-
-(defun gnus-summary-save-in-rmail (&optional filename)
- "Append this article to Rmail file.
-Optional argument FILENAME specifies file name.
-Directory to save to is default to `gnus-article-save-directory'."
- (setq filename (gnus-read-save-file-name
- "Save %s in rmail file:" filename
- gnus-rmail-save-name gnus-newsgroup-name
- gnus-current-headers 'gnus-newsgroup-last-rmail))
- (gnus-eval-in-buffer-window gnus-save-article-buffer
- (save-excursion
- (save-restriction
- (widen)
- (gnus-output-to-rmail filename))))
- filename)
-
-(defun gnus-summary-save-in-mail (&optional filename)
- "Append this article to Unix mail file.
-Optional argument FILENAME specifies file name.
-Directory to save to is default to `gnus-article-save-directory'."
- (setq filename (gnus-read-save-file-name
- "Save %s in Unix mail file:" filename
- gnus-mail-save-name gnus-newsgroup-name
- gnus-current-headers 'gnus-newsgroup-last-mail))
- (gnus-eval-in-buffer-window gnus-save-article-buffer
- (save-excursion
- (save-restriction
- (widen)
- (if (and (file-readable-p filename)
- (mail-file-babyl-p filename))
- (rmail-output-to-rmail-file filename t)
- (gnus-output-to-mail filename)))))
- filename)
-
-(defun gnus-summary-save-in-file (&optional filename overwrite)
- "Append this article to file.
-Optional argument FILENAME specifies file name.
-Directory to save to is default to `gnus-article-save-directory'."
- (setq filename (gnus-read-save-file-name
- "Save %s in file:" filename
- gnus-file-save-name gnus-newsgroup-name
- gnus-current-headers 'gnus-newsgroup-last-file))
- (gnus-eval-in-buffer-window gnus-save-article-buffer
- (save-excursion
- (save-restriction
- (widen)
- (when (and overwrite
- (file-exists-p filename))
- (delete-file filename))
- (gnus-output-to-file filename))))
- filename)
-
-(defun gnus-summary-write-to-file (&optional filename)
- "Write this article to a file.
-Optional argument FILENAME specifies file name.
-The directory to save in defaults to `gnus-article-save-directory'."
- (gnus-summary-save-in-file nil t))
-
-(defun gnus-summary-save-body-in-file (&optional filename)
- "Append this article body to a file.
-Optional argument FILENAME specifies file name.
-The directory to save in defaults to `gnus-article-save-directory'."
- (setq filename (gnus-read-save-file-name
- "Save %s body in file:" filename
- gnus-file-save-name gnus-newsgroup-name
- gnus-current-headers 'gnus-newsgroup-last-file))
- (gnus-eval-in-buffer-window gnus-save-article-buffer
- (save-excursion
- (save-restriction
- (widen)
- (when (article-goto-body)
- (narrow-to-region (point) (point-max)))
- (gnus-output-to-file filename))))
- filename)
-
-(defun gnus-summary-save-in-pipe (&optional command)
- "Pipe this article to subprocess."
- (setq command
- (cond ((and (eq command 'default)
- gnus-last-shell-command)
- gnus-last-shell-command)
- ((stringp command)
- command)
- (t (read-string
- (format
- "Shell command on %s: "
- (if (and gnus-number-of-articles-to-be-saved
- (> gnus-number-of-articles-to-be-saved 1))
- (format "these %d articles"
- gnus-number-of-articles-to-be-saved)
- "this article"))
- gnus-last-shell-command))))
- (when (string-equal command "")
- (if gnus-last-shell-command
- (setq command gnus-last-shell-command)
- (error "A command is required")))
- (gnus-eval-in-buffer-window gnus-article-buffer
- (save-restriction
- (widen)
- (shell-command-on-region (point-min) (point-max) command nil)))
- (setq gnus-last-shell-command command))
-
-;;; Article file names when saving.
-
-(defun gnus-capitalize-newsgroup (newsgroup)
- "Capitalize NEWSGROUP name."
- (when (not (zerop (length newsgroup)))
- (concat (char-to-string (upcase (aref newsgroup 0)))
- (substring newsgroup 1))))
-
-(defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
- "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
-If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
-Otherwise, it is like ~/News/news/group/num."
- (let ((default
- (expand-file-name
- (concat (if (gnus-use-long-file-name 'not-save)
- (gnus-capitalize-newsgroup newsgroup)
- (gnus-newsgroup-directory-form newsgroup))
- "/" (int-to-string (mail-header-number headers)))
- gnus-article-save-directory)))
- (if (and last-file
- (string-equal (file-name-directory default)
- (file-name-directory last-file))
- (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
- default
- (or last-file default))))
-
-(defun gnus-numeric-save-name (newsgroup headers &optional last-file)
- "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
-If variable `gnus-use-long-file-name' is non-nil, it is
-~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
- (let ((default
- (expand-file-name
- (concat (if (gnus-use-long-file-name 'not-save)
- newsgroup
- (gnus-newsgroup-directory-form newsgroup))
- "/" (int-to-string (mail-header-number headers)))
- gnus-article-save-directory)))
- (if (and last-file
- (string-equal (file-name-directory default)
- (file-name-directory last-file))
- (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
- default
- (or last-file default))))
-
-(defun gnus-plain-save-name (newsgroup headers &optional last-file)
- "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
-If variable `gnus-use-long-file-name' is non-nil, it is
-~/News/news.group. Otherwise, it is like ~/News/news/group/news."
- (or last-file
- (expand-file-name
- (if (gnus-use-long-file-name 'not-save)
- newsgroup
- (file-relative-name
- (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
- default-directory))
- gnus-article-save-directory)))
-
-(defun gnus-sender-save-name (newsgroup headers &optional last-file)
- "Generate file name from sender."
- (let ((from (mail-header-from headers)))
- (expand-file-name
- (if (and from (string-match "\\([^ <]+\\)@" from))
- (match-string 1 from)
- "nobody")
- gnus-article-save-directory)))
-
-(defun article-verify-x-pgp-sig ()
- "Verify X-PGP-Sig."
- (interactive)
- (if (gnus-buffer-live-p gnus-original-article-buffer)
- (let ((sig (with-current-buffer gnus-original-article-buffer
- (gnus-fetch-field "X-PGP-Sig")))
- items info headers)
- (when (and sig
- mml2015-use
- (mml2015-clear-verify-function))
- (with-temp-buffer
- (insert-buffer gnus-original-article-buffer)
- (setq items (split-string sig))
- (message-narrow-to-head)
- (let ((inhibit-point-motion-hooks t)
- (case-fold-search t))
- ;; Don't verify multiple headers.
- (setq headers (mapconcat (lambda (header)
- (concat header ": "
- (mail-fetch-field header) "\n"))
- (split-string (nth 1 items) ",") "")))
- (delete-region (point-min) (point-max))
- (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
- (insert "X-Signed-Headers: " (nth 1 items) "\n")
- (insert headers)
- (widen)
- (forward-line)
- (while (not (eobp))
- (if (looking-at "^-")
- (insert "- "))
- (forward-line))
- (insert "\n-----BEGIN PGP SIGNATURE-----\n")
- (insert "Version: " (car items) "\n\n")
- (insert (mapconcat 'identity (cddr items) "\n"))
- (insert "\n-----END PGP SIGNATURE-----\n")
- (let ((mm-security-handle (list (format "multipart/signed"))))
- (mml2015-clean-buffer)
- (let ((coding-system-for-write (or gnus-newsgroup-charset
- 'iso-8859-1)))
- (funcall (mml2015-clear-verify-function)))
- (setq info
- (or (mm-handle-multipart-ctl-parameter
- mm-security-handle 'gnus-details)
- (mm-handle-multipart-ctl-parameter
- mm-security-handle 'gnus-info)))))
- (when info
- (let (buffer-read-only bface eface)
- (save-restriction
- (message-narrow-to-head)
- (goto-char (point-max))
- (forward-line -1)
- (setq bface (get-text-property (gnus-point-at-bol) 'face)
- eface (get-text-property (1- (gnus-point-at-eol)) 'face))
- (message-remove-header "X-Gnus-PGP-Verify")
- (if (re-search-forward "^X-PGP-Sig:" nil t)
- (forward-line)
- (goto-char (point-max)))
- (narrow-to-region (point) (point))
- (insert "X-Gnus-PGP-Verify: " info "\n")
- (goto-char (point-min))
- (forward-line)
- (while (not (eobp))
- (if (not (looking-at "^[ \t]"))
- (insert " "))
- (forward-line))
- ;; Do highlighting.
- (goto-char (point-min))
- (when (looking-at "\\([^:]+\\): *")
- (put-text-property (match-beginning 1) (1+ (match-end 1))
- 'face bface)
- (put-text-property (match-end 0) (point-max)
- 'face eface)))))))))
-
-(eval-and-compile
- (mapcar
- (lambda (func)
- (let (afunc gfunc)
- (if (consp func)
- (setq afunc (car func)
- gfunc (cdr func))
- (setq afunc func
- gfunc (intern (format "gnus-%s" func))))
- (defalias gfunc
- (if (fboundp afunc)
- `(lambda (&optional interactive &rest args)
- ,(documentation afunc t)
- (interactive (list t))
- (save-excursion
- (set-buffer gnus-article-buffer)
- (if interactive
- (call-interactively ',afunc)
- (apply ',afunc args))))))))
- '(article-hide-headers
- article-verify-x-pgp-sig
- article-hide-boring-headers
- article-toggle-headers
- article-treat-overstrike
- article-fill-long-lines
- article-capitalize-sentences
- article-remove-cr
- article-remove-leading-whitespace
- article-display-x-face
- article-de-quoted-unreadable
- article-de-base64-unreadable
- article-decode-HZ
- article-wash-html
- article-hide-list-identifiers
- article-hide-pgp
- article-strip-banner
- article-babel
- article-hide-pem
- article-hide-signature
- article-strip-headers-in-body
- article-remove-trailing-blank-lines
- article-strip-leading-blank-lines
- article-strip-multiple-blank-lines
- article-strip-leading-space
- article-strip-trailing-space
- article-strip-blank-lines
- article-strip-all-blank-lines
- article-date-local
- article-date-english
- article-date-iso8601
- article-date-original
- article-date-ut
- article-decode-mime-words
- article-decode-charset
- article-decode-encoded-words
- article-date-user
- article-date-lapsed
- article-emphasize
- article-treat-dumbquotes
- article-normalize-headers
- (article-show-all-headers . gnus-article-show-all-headers)
- (article-show-all . gnus-article-show-all))))
-\f
-;;;
-;;; Gnus article mode
-;;;
-
-(put 'gnus-article-mode 'mode-class 'special)
-
-(gnus-define-keys gnus-article-mode-map
- " " gnus-article-goto-next-page
- "\177" gnus-article-goto-prev-page
- [delete] gnus-article-goto-prev-page
- [backspace] gnus-article-goto-prev-page
- "\C-c^" gnus-article-refer-article
- "h" gnus-article-show-summary
- "s" gnus-article-show-summary
- "\C-c\C-m" gnus-article-mail
- "?" gnus-article-describe-briefly
- "e" gnus-summary-edit-article
- "<" beginning-of-buffer
- ">" end-of-buffer
- "\C-c\C-i" gnus-info-find-node
- "\C-c\C-b" gnus-bug
- "\C-hk" gnus-article-describe-key
- "\C-hc" gnus-article-describe-key-briefly
-
- "\C-d" gnus-article-read-summary-keys
- "\M-*" gnus-article-read-summary-keys
- "\M-#" gnus-article-read-summary-keys
- "\M-^" gnus-article-read-summary-keys
- "\M-g" gnus-article-read-summary-keys)
-
-;; Define almost undefined keys to `gnus-article-read-summary-keys'.
-(let (keys)
- (let ((key 32))
- (while (<= key 127)
- (push (char-to-string key) keys)
- (incf key))
- (dolist (elem (accessible-keymaps gnus-summary-mode-map))
- (setq key (car elem))
- (when (and (> (length key) 0)
- (not (eq 'menu-bar (aref key 0)))
- (symbolp (lookup-key gnus-summary-mode-map key)))
- (push key keys))))
- (dolist (key keys)
- (unless (lookup-key gnus-article-mode-map key)
- (define-key gnus-article-mode-map key 'gnus-article-read-summary-keys))))
-
-(defun gnus-article-make-menu-bar ()
- (unless (boundp 'gnus-article-commands-menu)
- (gnus-summary-make-menu-bar))
- (gnus-turn-off-edit-menu 'article)
- (unless (boundp 'gnus-article-article-menu)
- (easy-menu-define
- gnus-article-article-menu gnus-article-mode-map ""
- '("Article"
- ["Scroll forwards" gnus-article-goto-next-page t]
- ["Scroll backwards" gnus-article-goto-prev-page t]
- ["Show summary" gnus-article-show-summary t]
- ["Fetch Message-ID at point" gnus-article-refer-article t]
- ["Mail to address at point" gnus-article-mail t]
- ["Send a bug report" gnus-bug t]))
-
- (easy-menu-define
- gnus-article-treatment-menu gnus-article-mode-map ""
- ;; Fixme: this should use :active (and maybe :visible).
- '("Treatment"
- ["Hide headers" gnus-article-toggle-headers t]
- ["Hide signature" gnus-article-hide-signature t]
- ["Hide citation" gnus-article-hide-citation t]
- ["Treat overstrike" gnus-article-treat-overstrike t]
- ["Remove carriage return" gnus-article-remove-cr t]
- ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
- ["Decode HZ" gnus-article-decode-HZ t]))
-
- ;; Note "Commands" menu is defined in gnus-sum.el for consistency
-
- ;; Note "Post" menu is defined in gnus-sum.el for consistency
-
- (gnus-run-hooks 'gnus-article-menu-hook)))
-
-;; Fixme: do something for the Emacs tool bar in Article mode a la
-;; Summary.
-
-(defun gnus-article-mode ()
- "Major mode for displaying an article.
-
-All normal editing commands are switched off.
-
-The following commands are available in addition to all summary mode
-commands:
-\\<gnus-article-mode-map>
-\\[gnus-article-next-page]\t Scroll the article one page forwards
-\\[gnus-article-prev-page]\t Scroll the article one page backwards
-\\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
-\\[gnus-article-show-summary]\t Display the summary buffer
-\\[gnus-article-mail]\t Send a reply to the address near point
-\\[gnus-article-describe-briefly]\t Describe the current mode briefly
-\\[gnus-info-find-node]\t Go to the Gnus info node"
- (interactive)
- (gnus-simplify-mode-line)
- (setq mode-name "Article")
- (setq major-mode 'gnus-article-mode)
- (make-local-variable 'minor-mode-alist)
- (unless (assq 'gnus-show-mime minor-mode-alist)
- (push (list 'gnus-show-mime " MIME") minor-mode-alist))
- (use-local-map gnus-article-mode-map)
- (when (gnus-visual-p 'article-menu 'menu)
- (gnus-article-make-menu-bar))
- (gnus-update-format-specifications nil 'article-mode)
- (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
- (make-local-variable 'gnus-page-broken)
- (make-local-variable 'gnus-button-marker-list)
- (make-local-variable 'gnus-article-current-summary)
- (make-local-variable 'gnus-article-mime-handles)
- (make-local-variable 'gnus-article-decoded-p)
- (make-local-variable 'gnus-article-mime-handle-alist)
- (make-local-variable 'gnus-article-wash-types)
- (make-local-variable 'gnus-article-charset)
- (make-local-variable 'gnus-article-ignored-charsets)
- (gnus-set-default-directory)
- (buffer-disable-undo)
- (setq buffer-read-only t)
- (set-syntax-table gnus-article-mode-syntax-table)
- (gnus-run-hooks 'gnus-article-mode-hook))
-
-(defun gnus-article-setup-buffer ()
- "Initialize the article buffer."
- (let* ((name (if gnus-single-article-buffer "*Article*"
- (concat "*Article " gnus-newsgroup-name "*")))
- (original
- (progn (string-match "\\*Article" name)
- (concat " *Original Article"
- (substring name (match-end 0))))))
- (setq gnus-article-buffer name)
- (setq gnus-original-article-buffer original)
- (setq gnus-article-mime-handle-alist nil)
- ;; This might be a variable local to the summary buffer.
- (unless gnus-single-article-buffer
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (setq gnus-article-buffer name)
- (setq gnus-original-article-buffer original)
- (gnus-set-global-variables)))
- (gnus-article-setup-highlight-words)
- ;; Init original article buffer.
- (save-excursion
- (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
- (set-buffer-multibyte nil)
- (setq major-mode 'gnus-original-article-mode)
- (make-local-variable 'gnus-original-article))
- (if (get-buffer name)
- (save-excursion
- (set-buffer name)
- (buffer-disable-undo)
- (setq buffer-read-only t)
- (unless (eq major-mode 'gnus-article-mode)
- (gnus-article-mode))
- (current-buffer))
- (save-excursion
- (set-buffer (gnus-get-buffer-create name))
- (gnus-article-mode)
- (make-local-variable 'gnus-summary-buffer)
- (gnus-summary-set-local-parameters gnus-newsgroup-name)
- (current-buffer)))))
-
-;; Set article window start at LINE, where LINE is the number of lines
-;; from the head of the article.
-(defun gnus-article-set-window-start (&optional line)
- (set-window-start
- (get-buffer-window gnus-article-buffer t)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (goto-char (point-min))
- (if (not line)
- (point-min)
- (gnus-message 6 "Moved to bookmark")
- (search-forward "\n\n" nil t)
- (forward-line line)
- (point)))))
-
-;;; @@ article filters
-;;;
-
-(defun gnus-article-display-mime-message ()
- "Article display method for MIME message."
- ;; called from `gnus-original-article-buffer'.
- (let (charset all-headers)
- (with-current-buffer gnus-summary-buffer
- (setq charset default-mime-charset
- all-headers gnus-have-all-headers))
- (make-local-variable 'default-mime-charset)
- (setq default-mime-charset charset)
- (with-current-buffer (get-buffer-create gnus-article-buffer)
- (make-local-variable 'default-mime-charset)
- (setq default-mime-charset charset))
- (mime-display-message mime-message-structure
- gnus-article-buffer nil gnus-article-mode-map)
- (when all-headers
- (gnus-article-hide-headers nil -1)))
- (run-hooks 'gnus-mime-article-prepare-hook))
-
-(defun gnus-article-display-traditional-message ()
- "Article display method for traditional message."
- (set-buffer gnus-article-buffer)
- (let (buffer-read-only)
- (erase-buffer)
- (insert-buffer-substring gnus-original-article-buffer)))
-
-(defun gnus-article-make-full-mail-header (&optional number charset)
- "Create a new mail header structure in a raw article buffer."
- (unless (and number charset)
- (save-current-buffer
- (set-buffer gnus-summary-buffer)
- (unless number
- (setq number (or (cdr gnus-article-current) 0)))
- (unless charset
- (setq charset (or default-mime-charset 'x-ctext)))))
- (goto-char (point-min))
- (let ((header-end (if (search-forward "\n\n" nil t)
- (1- (point))
- (goto-char (point-max))))
- (chars (- (point-max) (point)))
- (lines (count-lines (point) (point-max)))
- (default-mime-charset charset)
- xref)
- (narrow-to-region (point-min) header-end)
- (setq xref (std11-fetch-field "xref"))
- (prog1
- (make-full-mail-header
- number
- (std11-fetch-field "subject")
- (std11-fetch-field "from")
- (std11-fetch-field "date")
- (std11-fetch-field "message-id")
- (std11-fetch-field "references")
- chars
- lines
- (when xref (concat "Xref: " xref)))
- (widen))))
-
-(defun gnus-article-prepare (article &optional all-headers header)
- "Prepare ARTICLE in article mode buffer.
-ARTICLE should either be an article number or a Message-ID.
-If ARTICLE is an id, HEADER should be the article headers.
-If ALL-HEADERS is non-nil, no headers are hidden."
- (save-excursion
- ;; Make sure we start in a summary buffer.
- (unless (eq major-mode 'gnus-summary-mode)
- (set-buffer gnus-summary-buffer))
- (setq gnus-summary-buffer (current-buffer))
- (let* ((gnus-article (if header (mail-header-number header) article))
- (summary-buffer (current-buffer))
- (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
- (group gnus-newsgroup-name)
- result)
- (save-excursion
- (gnus-article-setup-buffer)
- (set-buffer gnus-article-buffer)
- ;; Deactivate active regions.
- (when (and (boundp 'transient-mark-mode)
- transient-mark-mode)
- (setq mark-active nil))
- (if (not (setq result (let ((buffer-read-only nil))
- (gnus-request-article-this-buffer
- article group))))
- ;; There is no such article.
- (save-excursion
- (when (and (numberp article)
- (not (memq article gnus-newsgroup-sparse)))
- (setq gnus-article-current
- (cons gnus-newsgroup-name article))
- (set-buffer gnus-summary-buffer)
- (setq gnus-current-article article)
- (if (eq (gnus-article-mark article) gnus-undownloaded-mark)
- (progn
- (gnus-summary-set-agent-mark article)
- (message "Message marked for downloading"))
- (gnus-summary-mark-article article gnus-canceled-mark)
- (unless (memq article gnus-newsgroup-sparse)
- (gnus-error 1 "No such article (may have expired or been canceled)")))))
- (if (or (eq result 'pseudo)
- (eq result 'nneething))
- (progn
- (save-excursion
- (set-buffer summary-buffer)
- (push article gnus-newsgroup-history)
- (setq gnus-last-article gnus-current-article
- gnus-current-article 0
- gnus-current-headers nil
- gnus-article-current nil)
- (if (eq result 'nneething)
- (gnus-configure-windows 'summary)
- (gnus-configure-windows 'article))
- (gnus-set-global-variables))
- (let ((gnus-article-mime-handle-alist-1
- gnus-article-mime-handle-alist))
- (gnus-set-mode-line 'article)))
- ;; The result from the `request' was an actual article -
- ;; or at least some text that is now displayed in the
- ;; article buffer.
- (when (and (numberp article)
- (not (eq article gnus-current-article)))
- ;; Seems like a new article has been selected.
- ;; `gnus-current-article' must be an article number.
- (save-excursion
- (set-buffer summary-buffer)
- (push article gnus-newsgroup-history)
- (setq gnus-last-article gnus-current-article
- gnus-current-article article
- gnus-current-headers
- (gnus-summary-article-header gnus-current-article)
- gnus-article-current
- (cons gnus-newsgroup-name gnus-current-article))
- (unless (vectorp gnus-current-headers)
- (setq gnus-current-headers nil))
- (gnus-summary-goto-subject gnus-current-article)
- (when (gnus-summary-show-thread)
- ;; If the summary buffer really was folded, the
- ;; previous goto may not actually have gone to
- ;; the right article, but the thread root instead.
- ;; So we go again.
- (gnus-summary-goto-subject gnus-current-article))
- (gnus-run-hooks 'gnus-mark-article-hook)
- (gnus-set-mode-line 'summary)
- (when (gnus-visual-p 'article-highlight 'highlight)
- (gnus-run-hooks 'gnus-visual-mark-article-hook))
- ;; Set the global newsgroup variables here.
- (gnus-set-global-variables)
- (setq gnus-have-all-headers
- (or all-headers gnus-show-all-headers))))
- (save-excursion
- (gnus-configure-windows 'article))
- (when (or (numberp article)
- (stringp article))
- (gnus-article-prepare-display)
- ;; Do page break.
- (goto-char (point-min))
- (setq gnus-page-broken
- (when gnus-break-pages
- (gnus-narrow-to-page)
- t)))
- (let ((gnus-article-mime-handle-alist-1
- gnus-article-mime-handle-alist))
- (gnus-set-mode-line 'article))
- (article-goto-body)
- (set-window-point (get-buffer-window (current-buffer)) (point))
- (gnus-configure-windows 'article)
- t))))))
-
-(defun gnus-article-prepare-mime-display (&optional number)
- (goto-char (point-min))
- (when (re-search-forward "^[^\t ]+:" nil t)
- (goto-char (match-beginning 0)))
- (let ((entity (if (eq 1 (point-min))
- (get-text-property 1 'mime-view-entity)
- (get-text-property (point) 'mime-view-entity)))
- last-entity child-entity next type)
- (setq child-entity (mime-entity-children entity))
- (if child-entity
- (setq last-entity (nth (1- (length child-entity))
- child-entity))
- (setq last-entity entity))
- (save-restriction
- (narrow-to-region (point)
- (if (search-forward "\n\n" nil t)
- (point)
- (point-max)))
- (gnus-treat-article 'head)
- (put-text-property (point-min) (point-max) 'article-treated-header t)
- (goto-char (point-max)))
- (while (and (not (eobp)) entity)
- (setq next (set-marker
- (make-marker)
- (next-single-property-change (point) 'mime-view-entity
- nil (point-max))))
- (let ((types (mime-entity-content-type entity)))
- (while (eq 'multipart (mime-content-type-primary-type types))
- (setq entity (car (mime-entity-children entity))
- types (mime-entity-content-type entity)))
- (when types
- (setq type (format "%s/%s"
- (mime-content-type-primary-type types)
- (mime-content-type-subtype types)))))
- (if (string-equal type "message/rfc822")
- (progn
- (setq next (point))
- (let ((children (mime-entity-children entity))
- last-children)
- (when children
- (setq last-children (nth (1- (length children)) children))
- (while
- (and
- (not (eq last-children
- (get-text-property next 'mime-view-entity)))
- (setq next
- (next-single-property-change next
- 'mime-view-entity
- nil (point-max)))))))
- (setq next (next-single-property-change next 'mime-view-entity
- nil (point-max)))
- (save-restriction
- (narrow-to-region (point) next)
- (gnus-article-prepare-mime-display)
- (goto-char (point-max)))
- (setq entity (get-text-property (point) 'mime-view-entity)))
- (save-restriction
- (narrow-to-region (point) next)
- ;; Kludge. We have to count true number, but for now,
- ;; part number is here only to achieve `last'.
- (gnus-treat-article nil 1
- (if (eq entity last-entity)
- 1 2)
- type)
- (goto-char (point-max)))
- (setq entity (get-text-property next 'mime-view-entity))))))
-
-;;;###autoload
-(defun gnus-article-prepare-display ()
- "Make the current buffer look like a nice article."
- (let ((gnus-article-buffer (current-buffer))
- buffer-read-only)
- (unless (eq major-mode 'gnus-article-mode)
- (gnus-article-mode))
- (setq buffer-read-only nil
- gnus-button-marker-list nil
- gnus-article-wash-types nil)
- (save-restriction
- (widen)
- (static-if (featurep 'xemacs)
- (map-extents (lambda (extent maparg) (delete-extent extent)))
- (let ((lists (overlay-lists)))
- (dolist (overlay (nconc (car lists) (cdr lists)))
- (delete-overlay overlay)))))
- (gnus-run-hooks 'gnus-tmp-internal-hook))
- (set-buffer gnus-original-article-buffer)
- ;; Display message.
- (setq mime-message-structure gnus-current-headers)
- (mime-buffer-entity-set-buffer-internal mime-message-structure
- gnus-original-article-buffer)
- (mime-entity-set-representation-type-internal mime-message-structure
- 'mime-buffer-entity)
- (luna-send mime-message-structure 'initialize-instance
- mime-message-structure)
- (if gnus-show-mime
- (let (mime-display-header-hook mime-display-text/plain-hook)
- (funcall gnus-article-display-method-for-mime))
- (funcall gnus-article-display-method-for-traditional))
- ;; Call the treatment functions.
- (let ((inhibit-read-only t))
- (save-restriction
- (widen)
- (if gnus-show-mime
- (gnus-article-prepare-mime-display)
- (narrow-to-region (goto-char (point-min))
- (if (search-forward "\n\n" nil t)
- (point)
- (point-max)))
- (gnus-treat-article 'head)
- (put-text-property (point-min) (point-max) 'article-treated-header t)
- (goto-char (point-max))
- (widen)
- (narrow-to-region (point) (point-max))
- (gnus-treat-article nil))
- (put-text-property (point-min) (point-max) 'read-only nil)))
- (gnus-run-hooks 'gnus-article-prepare-hook))
-
-(defun gnus-article-decode-article-as-default-mime-charset ()
- "Decode an article as `default-mime-charset'. It won't work if the
-value of the variable `gnus-show-mime' is non-nil."
- (unless gnus-show-mime
- (set (make-local-variable 'default-mime-charset)
- (with-current-buffer gnus-summary-buffer
- default-mime-charset))
- (decode-mime-charset-region (point-min) (point-max)
- default-mime-charset)))
-
-;;;
-;;; Gnus MIME viewing functions
-;;;
-
-(defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
- "The following specs can be used:
-%t The MIME type
-%T MIME type, along with additional info
-%n The `name' parameter
-%d The description, if any
-%l The length of the encoded part
-%p The part identifier number
-%e Dots if the part isn't displayed")
-
-(defvar gnus-mime-button-line-format-alist
- '((?t gnus-tmp-type ?s)
- (?T gnus-tmp-type-long ?s)
- (?n gnus-tmp-name ?s)
- (?d gnus-tmp-description ?s)
- (?p gnus-tmp-id ?s)
- (?l gnus-tmp-length ?d)
- (?e gnus-tmp-dots ?s)))
-
-(defvar gnus-mime-button-commands
- '((gnus-article-press-button "\r" "Toggle Display")
- (gnus-mime-view-part "v" "View Interactively...")
- (gnus-mime-view-part-as-type "t" "View As Type...")
- (gnus-mime-view-part-as-charset "C" "View As charset...")
- (gnus-mime-save-part "o" "Save...")
- (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
- (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
- (gnus-mime-inline-part "i" "View As Text, In This Buffer")
- (gnus-mime-internalize-part "E" "View Internally")
- (gnus-mime-externalize-part "e" "View Externally")
- (gnus-mime-pipe-part "|" "Pipe To Command...")
- (gnus-mime-action-on-part "." "Take action on the part")))
-
-(defun gnus-article-mime-part-status ()
- (with-current-buffer gnus-article-buffer
- (let ((entity (get-text-property (point-min) 'mime-view-entity))
- children)
- (if (and entity
- (setq children (mime-entity-children entity))
- (setq children (length children)))
- (if (eq 1 children)
- " (1 part)"
- (format " (%d parts)" children))
- ""))))
-
-(defvar gnus-mime-button-map
- (let ((map (make-sparse-keymap)))
- (unless (>= (string-to-number emacs-version) 21)
- ;; XEmacs doesn't care.
- (set-keymap-parent map gnus-article-mode-map))
- (define-key map gnus-mouse-2 'gnus-article-push-button)
- (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
- (dolist (c gnus-mime-button-commands)
- (define-key map (cadr c) (car c)))
- map))
-
-(defun gnus-mime-button-menu (event)
- "Construct a context-sensitive menu of MIME commands."
- (interactive "e")
- (save-window-excursion
- (let ((pos (event-start event)))
- (select-window (posn-window pos))
- (goto-char (posn-point pos))
- (gnus-article-check-buffer)
- (let ((response (x-popup-menu
- t `("MIME Part"
- ("" ,@(mapcar (lambda (c)
- (cons (caddr c) (car c)))
- gnus-mime-button-commands))))))
- (if response
- (call-interactively response))))))
-
-(defun gnus-mime-view-all-parts (&optional handles)
- "View all the MIME parts."
- (interactive)
- (save-current-buffer
- (set-buffer gnus-article-buffer)
- (let ((handles (or handles gnus-article-mime-handles))
- (mail-parse-charset gnus-newsgroup-charset)
- (mail-parse-ignored-charsets
- (with-current-buffer gnus-summary-buffer
- gnus-newsgroup-ignored-charsets)))
- (when handles
- (mm-remove-parts handles)
- (goto-char (point-min))
- (or (search-forward "\n\n") (goto-char (point-max)))
- (let (buffer-read-only)
- (delete-region (point) (point-max))
- (mm-display-parts handles))))))
-
-(defun gnus-mime-save-part-and-strip ()
- "Save the MIME part under point then replace it with an external body."
- (interactive)
- (gnus-article-check-buffer)
- (let* ((data (get-text-property (point) 'gnus-data))
- file param
- (handles gnus-article-mime-handles))
- (if (mm-multiple-handles gnus-article-mime-handles)
- (error "This function is not implemented"))
- (setq file (and data (mm-save-part data)))
- (when file
- (with-current-buffer (mm-handle-buffer data)
- (erase-buffer)
- (insert "Content-Type: " (mm-handle-media-type data))
- (mml-insert-parameter-string (cdr (mm-handle-type data))
- '(charset))
- (insert "\n")
- (insert "Content-ID: " (message-make-message-id) "\n")
- (insert "Content-Transfer-Encoding: binary\n")
- (insert "\n"))
- (setcdr data
- (cdr (mm-make-handle nil
- `("message/external-body"
- (access-type . "LOCAL-FILE")
- (name . ,file)))))
- (set-buffer gnus-summary-buffer)
- (gnus-article-edit-article
- `(lambda ()
- (erase-buffer)
- (let ((mail-parse-charset (or gnus-article-charset
- ',gnus-newsgroup-charset))
- (mail-parse-ignored-charsets
- (or gnus-article-ignored-charsets
- ',gnus-newsgroup-ignored-charsets))
- (mbl mml-buffer-list))
- (setq mml-buffer-list nil)
- (insert-buffer gnus-original-article-buffer)
- (mime-to-mml ',handles)
- (setq gnus-article-mime-handles nil)
- (let ((mbl1 mml-buffer-list))
- (setq mml-buffer-list mbl)
- (set (make-local-variable 'mml-buffer-list) mbl1))
- ;; LOCAL argument of add-hook differs between GNU Emacs
- ;; and XEmacs. make-local-hook makes sure they are local.
- (make-local-hook 'kill-buffer-hook)
- (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
- `(lambda (no-highlight)
- (let ((mail-parse-charset (or gnus-article-charset
- ',gnus-newsgroup-charset))
- (message-options message-options)
- (message-options-set-recipient)
- (mail-parse-ignored-charsets
- (or gnus-article-ignored-charsets
- ',gnus-newsgroup-ignored-charsets)))
- (mml-to-mime)
- (mml-destroy-buffers)
- (remove-hook 'kill-buffer-hook
- 'mml-destroy-buffers t)
- (kill-local-variable 'mml-buffer-list))
- (gnus-summary-edit-article-done
- ,(or (mail-header-references gnus-current-headers) "")
- ,(gnus-group-read-only-p)
- ,gnus-summary-buffer no-highlight))))))
-
-(defun gnus-mime-save-part ()
- "Save the MIME part under point."
- (interactive)
- (gnus-article-check-buffer)
- (let ((data (get-text-property (point) 'gnus-data)))
- (when data
- (mm-save-part data))))
-
-(defun gnus-mime-pipe-part ()
- "Pipe the MIME part under point to a process."
- (interactive)
- (gnus-article-check-buffer)
- (let ((data (get-text-property (point) 'gnus-data)))
- (when data
- (mm-pipe-part data))))
-
-(defun gnus-mime-view-part ()
- "Interactively choose a viewing method for the MIME part under point."
- (interactive)
- (gnus-article-check-buffer)
- (let ((data (get-text-property (point) 'gnus-data)))
- (when data
- (setq gnus-article-mime-handles
- (mm-merge-handles
- gnus-article-mime-handles (setq data (copy-sequence data))))
- (mm-interactively-view-part data))))
-
-(defun gnus-mime-view-part-as-type-internal ()
- (gnus-article-check-buffer)
- (let* ((name (mail-content-type-get
- (mm-handle-type (get-text-property (point) 'gnus-data))
- 'name))
- (def-type (and name (mm-default-file-encoding name))))
- (and def-type (cons def-type 0))))
-
-(defun gnus-mime-view-part-as-type (&optional mime-type)
- "Choose a MIME media type, and view the part as such."
- (interactive)
- (unless mime-type
- (setq mime-type (completing-read
- "View as MIME type: "
- (mapcar #'list (mailcap-mime-types))
- nil nil
- (gnus-mime-view-part-as-type-internal))))
- (gnus-article-check-buffer)
- (let ((handle (get-text-property (point) 'gnus-data)))
- (when handle
- (setq handle
- (mm-make-handle (mm-handle-buffer handle)
- (cons mime-type (cdr (mm-handle-type handle)))
- (mm-handle-encoding handle)
- (mm-handle-undisplayer handle)
- (mm-handle-disposition handle)
- (mm-handle-description handle)
- nil
- (mm-handle-id handle)))
- (setq gnus-article-mime-handles
- (mm-merge-handles gnus-article-mime-handles handle))
- (gnus-mm-display-part handle))))
-
-(defun gnus-mime-copy-part (&optional handle)
- "Put the the MIME part under point into a new buffer."
- (interactive)
- (gnus-article-check-buffer)
- (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
- (contents (and handle (mm-get-part handle)))
- (base (and handle
- (file-name-nondirectory
- (or
- (mail-content-type-get (mm-handle-type handle) 'name)
- (mail-content-type-get (mm-handle-type handle)
- 'filename)
- "*decoded*"))))
- (buffer (and base (generate-new-buffer base))))
- (when contents
- (switch-to-buffer buffer)
- (insert contents)
- ;; We do it this way to make `normal-mode' set the appropriate mode.
- (unwind-protect
- (progn
- (setq buffer-file-name (expand-file-name base))
- (normal-mode))
- (setq buffer-file-name nil))
- (goto-char (point-min)))))
-
-(defun gnus-mime-inline-part (&optional handle arg)
- "Insert the MIME part under point into the current buffer."
- (interactive (list nil current-prefix-arg))
- (gnus-article-check-buffer)
- (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
- contents charset
- (b (point))
- buffer-read-only)
- (when handle
- (if (and (not arg) (mm-handle-undisplayer handle))
- (mm-remove-part handle)
- (setq contents (mm-get-part handle))
- (cond
- ((not arg)
- (setq charset (or (mail-content-type-get
- (mm-handle-type handle) 'charset)
- gnus-newsgroup-charset)))
- ((numberp arg)
- (if (mm-handle-undisplayer handle)
- (mm-remove-part handle))
- (setq charset
- (or (cdr (assq arg
- gnus-summary-show-article-charset-alist))
- (mm-read-coding-system "Charset: ")))))
- (forward-line 2)
- (mm-insert-inline handle
- (if (and charset
- (setq charset (mm-charset-to-coding-system
- charset))
- (not (eq charset 'ascii)))
- (mm-decode-coding-string contents charset)
- contents))
- (goto-char b)))))
-
-(defun gnus-mime-view-part-as-charset (&optional handle arg)
- "Insert the MIME part under point into the current buffer using the
-specified charset."
- (interactive (list nil current-prefix-arg))
- (gnus-article-check-buffer)
- (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
- contents charset
- (b (point))
- buffer-read-only)
- (when handle
- (if (mm-handle-undisplayer handle)
- (mm-remove-part handle))
- (let ((gnus-newsgroup-charset
- (or (cdr (assq arg
- gnus-summary-show-article-charset-alist))
- (mm-read-coding-system "Charset: ")))
- (gnus-newsgroup-ignored-charsets 'gnus-all))
- (gnus-article-press-button)))))
-
-(defun gnus-mime-externalize-part (&optional handle)
- "View the MIME part under point with an external viewer."
- (interactive)
- (gnus-article-check-buffer)
- (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
- (mm-user-display-methods nil)
- (mm-inlined-types nil)
- (mail-parse-charset gnus-newsgroup-charset)
- (mail-parse-ignored-charsets
- (save-excursion (set-buffer gnus-summary-buffer)
- gnus-newsgroup-ignored-charsets)))
- (when handle
- (if (mm-handle-undisplayer handle)
- (mm-remove-part handle)
- (mm-display-part handle)))))
-
-(defun gnus-mime-internalize-part (&optional handle)
- "View the MIME part under point with an internal viewer.
-If no internal viewer is available, use an external viewer."
- (interactive)
- (gnus-article-check-buffer)
- (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
- (mm-inlined-types '(".*"))
- (mm-inline-large-images t)
- (mail-parse-charset gnus-newsgroup-charset)
- (mail-parse-ignored-charsets
- (save-excursion (set-buffer gnus-summary-buffer)
- gnus-newsgroup-ignored-charsets)))
- (when handle
- (if (mm-handle-undisplayer handle)
- (mm-remove-part handle)
- (mm-display-part handle)))))
-
-(defun gnus-mime-action-on-part (&optional action)
- "Do something with the MIME attachment at \(point\)."
- (interactive
- (list (completing-read "Action: " gnus-mime-action-alist)))
- (gnus-article-check-buffer)
- (let ((action-pair (assoc action gnus-mime-action-alist)))
- (if action-pair
- (funcall (cdr action-pair)))))
-
-(defun gnus-article-part-wrapper (n function)
- (save-current-buffer
- (set-buffer gnus-article-buffer)
- (when (> n (length gnus-article-mime-handle-alist))
- (error "No such part"))
- (gnus-article-goto-part n)
- (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
- (funcall function handle))))
-
-(defun gnus-article-pipe-part (n)
- "Pipe MIME part N, which is the numerical prefix."
- (interactive "p")
- (gnus-article-part-wrapper n 'mm-pipe-part))
-
-(defun gnus-article-save-part (n)
- "Save MIME part N, which is the numerical prefix."
- (interactive "p")
- (gnus-article-part-wrapper n 'mm-save-part))
-
-(defun gnus-article-interactively-view-part (n)
- "View MIME part N interactively, which is the numerical prefix."
- (interactive "p")
- (gnus-article-part-wrapper n 'mm-interactively-view-part))
-
-(defun gnus-article-copy-part (n)
- "Copy MIME part N, which is the numerical prefix."
- (interactive "p")
- (gnus-article-part-wrapper n 'gnus-mime-copy-part))
-
-(defun gnus-article-view-part-as-charset (n)
- "Copy MIME part N, which is the numerical prefix."
- (interactive "p")
- (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
-
-(defun gnus-article-externalize-part (n)
- "View MIME part N externally, which is the numerical prefix."
- (interactive "p")
- (gnus-article-part-wrapper n 'gnus-mime-externalize-part))
-
-(defun gnus-article-inline-part (n)
- "Inline MIME part N, which is the numerical prefix."
- (interactive "p")
- (gnus-article-part-wrapper n 'gnus-mime-inline-part))
-
-(defun gnus-article-mime-match-handle-first (condition)
- (if condition
- (let ((alist gnus-article-mime-handle-alist) ihandle n)
- (while (setq ihandle (pop alist))
- (if (and (cond
- ((functionp condition)
- (funcall condition (cdr ihandle)))
- ((eq condition 'undisplayed)
- (not (or (mm-handle-undisplayer (cdr ihandle))
- (equal (mm-handle-media-type (cdr ihandle))
- "multipart/alternative"))))
- ((eq condition 'undisplayed-alternative)
- (not (mm-handle-undisplayer (cdr ihandle))))
- (t t))
- (gnus-article-goto-part (car ihandle))
- (or (not n) (< (car ihandle) n)))
- (setq n (car ihandle))))
- (or n 1))
- 1))
-
-(defun gnus-article-view-part (&optional n)
- "View MIME part N, which is the numerical prefix."
- (interactive "P")
- (save-current-buffer
- (set-buffer gnus-article-buffer)
- (or (numberp n) (setq n (gnus-article-mime-match-handle-first
- gnus-article-mime-match-handle-function)))
- (when (> n (length gnus-article-mime-handle-alist))
- (error "No such part"))
- (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
- (when (gnus-article-goto-part n)
- (if (equal (car handle) "multipart/alternative")
- (gnus-article-press-button)
- (when (eq (gnus-mm-display-part handle) 'internal)
- (gnus-set-window-start)))))))
-
-(defsubst gnus-article-mime-total-parts ()
- (if (bufferp (car gnus-article-mime-handles))
- 1 ;; single part
- (1- (length gnus-article-mime-handles))))
-
-(defun gnus-mm-display-part (handle)
- "Display HANDLE and fix MIME button."
- (let ((id (get-text-property (point) 'gnus-part))
- (point (point))
- buffer-read-only)
- (forward-line 1)
- (prog1
- (let ((window (selected-window))
- (mail-parse-charset gnus-newsgroup-charset)
- (mail-parse-ignored-charsets
- (save-excursion (set-buffer gnus-summary-buffer)
- gnus-newsgroup-ignored-charsets)))
- (save-excursion
- (unwind-protect
- (let ((win (get-buffer-window (current-buffer) t))
- (beg (point)))
- (when win
- (select-window win))
- (goto-char point)
- (forward-line)
- (if (mm-handle-displayed-p handle)
- ;; This will remove the part.
- (mm-display-part handle)
- (save-restriction
- (narrow-to-region (point)
- (if (eobp) (point) (1+ (point))))
- (mm-display-part handle)
- ;; We narrow to the part itself and
- ;; then call the treatment functions.
- (goto-char (point-min))
- (forward-line 1)
- (narrow-to-region (point) (point-max))
- (gnus-treat-article
- nil id
- (gnus-article-mime-total-parts)
- (mm-handle-media-type handle)))))
- (if (window-live-p window)
- (select-window window)))))
- (goto-char point)
- (delete-region (gnus-point-at-bol) (progn (forward-line 1) (point)))
- (gnus-insert-mime-button
- handle id (list (mm-handle-displayed-p handle)))
- (goto-char point))))
-
-(defun gnus-article-goto-part (n)
- "Go to MIME part N."
- (let ((point (text-property-any (point-min) (point-max) 'gnus-part n)))
- (when point
- (goto-char point))))
-
-(defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
- (let ((gnus-tmp-name
- (or (mail-content-type-get (mm-handle-type handle) 'name)
- (mail-content-type-get (mm-handle-disposition handle) 'filename)
- (mail-content-type-get (mm-handle-type handle) 'url)
- ""))
- (gnus-tmp-type (mm-handle-media-type handle))
- (gnus-tmp-description
- (mail-decode-encoded-word-string (or (mm-handle-description handle)
- "")))
- (gnus-tmp-dots
- (if (if displayed (car displayed)
- (mm-handle-displayed-p handle))
- "" "..."))
- (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
- (buffer-size)))
- gnus-tmp-type-long b e)
- (when (string-match ".*/" gnus-tmp-name)
- (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
- (setq gnus-tmp-type-long (concat gnus-tmp-type
- (and (not (equal gnus-tmp-name ""))
- (concat "; " gnus-tmp-name))))
- (unless (equal gnus-tmp-description "")
- (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
- (unless (bolp)
- (insert "\n"))
- (setq b (point))
- (gnus-eval-format
- gnus-mime-button-line-format gnus-mime-button-line-format-alist
- `(keymap ,gnus-mime-button-map
- ,@(if (>= (string-to-number emacs-version) 21)
- nil
- (list 'local-map gnus-mime-button-map))
- gnus-callback gnus-mm-display-part
- gnus-part ,gnus-tmp-id
- article-type annotation
- gnus-data ,handle))
- (setq e (point))
- (widget-convert-button
- 'link b e
- :mime-handle handle
- :action 'gnus-widget-press-button
- :button-keymap gnus-mime-button-map
- :help-echo
- (lambda (widget/window &optional overlay pos)
- ;; Needed to properly clear the message due to a bug in
- ;; wid-edit (XEmacs only).
- (if (boundp 'help-echo-owns-message)
- (setq help-echo-owns-message t))
- (format
- "%S: %s the MIME part; %S: more options"
- (aref gnus-mouse-2 0)
- ;; XEmacs will get a single widget arg; Emacs 21 will get
- ;; window, overlay, position.
- (if (mm-handle-displayed-p
- (if overlay
- (with-current-buffer (gnus-overlay-buffer overlay)
- (widget-get (widget-at (gnus-overlay-start overlay))
- :mime-handle))
- (widget-get widget/window :mime-handle)))
- "hide" "show")
- (aref gnus-down-mouse-3 0))))))
-
-(defun gnus-widget-press-button (elems el)
- (goto-char (widget-get elems :from))
- (gnus-article-press-button))
-
-(defvar gnus-displaying-mime nil)
-
-(defun gnus-display-mime (&optional ihandles)
- "Display the MIME parts."
- (save-excursion
- (save-selected-window
- (let ((window (get-buffer-window gnus-article-buffer))
- (point (point)))
- (when window
- (select-window window)
- ;; We have to do this since selecting the window
- ;; may change the point. So we set the window point.
- (set-window-point window point)))
- (let* ((handles (or ihandles (mm-dissect-buffer) (mm-uu-dissect)))
- buffer-read-only handle name type b e display)
- (when (and (not ihandles)
- (not gnus-displaying-mime))
- ;; Top-level call; we clean up.
- (when gnus-article-mime-handles
- (mm-destroy-parts gnus-article-mime-handles)
- (setq gnus-article-mime-handle-alist nil));; A trick.
- (setq gnus-article-mime-handles handles)
- ;; We allow users to glean info from the handles.
- (when gnus-article-mime-part-function
- (gnus-mime-part-function handles)))
- (if (and handles
- (or (not (stringp (car handles)))
- (cdr handles)))
- (progn
- (when (and (not ihandles)
- (not gnus-displaying-mime))
- ;; Clean up for mime parts.
- (article-goto-body)
- (delete-region (point) (point-max)))
- (let ((gnus-displaying-mime t))
- (gnus-mime-display-part handles)))
- (save-restriction
- (article-goto-body)
- (narrow-to-region (point) (point-max))
- (gnus-treat-article nil 1 1)
- (widen)))
- (unless ihandles
- ;; Highlight the headers.
- (save-excursion
- (save-restriction
- (article-goto-body)
- (narrow-to-region (point-min) (point))
- (gnus-treat-article 'head))))))))
-
-(defvar gnus-mime-display-multipart-as-mixed nil)
-(defvar gnus-mime-display-multipart-alternative-as-mixed nil)
-(defvar gnus-mime-display-multipart-related-as-mixed nil)
-
-(defun gnus-mime-display-part (handle)
- (cond
- ;; Single part.
- ((not (stringp (car handle)))
- (gnus-mime-display-single handle))
- ;; User-defined multipart
- ((cdr (assoc (car handle) gnus-mime-multipart-functions))
- (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
- handle))
- ;; multipart/alternative
- ((and (equal (car handle) "multipart/alternative")
- (not (or gnus-mime-display-multipart-as-mixed
- gnus-mime-display-multipart-alternative-as-mixed)))
- (let ((id (1+ (length gnus-article-mime-handle-alist))))
- (push (cons id handle) gnus-article-mime-handle-alist)
- (gnus-mime-display-alternative (cdr handle) nil nil id)))
- ;; multipart/related
- ((and (equal (car handle) "multipart/related")
- (not (or gnus-mime-display-multipart-as-mixed
- gnus-mime-display-multipart-related-as-mixed)))
- ;;;!!!We should find the start part, but we just default
- ;;;!!!to the first part.
- ;;(gnus-mime-display-part (cadr handle))
- ;;;!!! Most multipart/related is an HTML message plus images.
- ;;;!!! Unfortunately we are unable to let W3 display those
- ;;;!!! included images, so we just display it as a mixed multipart.
- ;;(gnus-mime-display-mixed (cdr handle))
- ;;;!!! No, w3 can display everything just fine.
- (gnus-mime-display-part (cadr handle)))
- ((equal (car handle) "multipart/signed")
- (or (memq 'signed gnus-article-wash-types)
- (push 'signed gnus-article-wash-types))
- (gnus-mime-display-security handle))
- ((equal (car handle) "multipart/encrypted")
- (or (memq 'encrypted gnus-article-wash-types)
- (push 'encrypted gnus-article-wash-types))
- (gnus-mime-display-security handle))
- ;; Other multiparts are handled like multipart/mixed.
- (t
- (gnus-mime-display-mixed (cdr handle)))))
-
-(defun gnus-mime-part-function (handles)
- (if (stringp (car handles))
- (mapcar 'gnus-mime-part-function (cdr handles))
- (funcall gnus-article-mime-part-function handles)))
-
-(defun gnus-mime-display-mixed (handles)
- (mapcar 'gnus-mime-display-part handles))
-
-(defun gnus-mime-display-single (handle)
- (let ((type (mm-handle-media-type handle))
- (ignored gnus-ignored-mime-types)
- (not-attachment t)
- (move nil)
- display text)
- (catch 'ignored
- (progn
- (while ignored
- (when (string-match (pop ignored) type)
- (throw 'ignored nil)))
- (if (and (setq not-attachment
- (and (not (mm-inline-override-p handle))
- (or (not (mm-handle-disposition handle))
- (equal (car (mm-handle-disposition handle))
- "inline")
- (mm-attachment-override-p handle))))
- (mm-automatic-display-p handle)
- (or (and
- (mm-inlinable-p handle)
- (mm-inlined-p handle))
- (mm-automatic-external-display-p type)))
- (setq display t)
- (when (equal (mm-handle-media-supertype handle) "text")
- (setq text t)))
- (let ((id (1+ (length gnus-article-mime-handle-alist)))
- beg)
- (push (cons id handle) gnus-article-mime-handle-alist)
- (when (or (not display)
- (not (gnus-unbuttonized-mime-type-p type)))
- ;(gnus-article-insert-newline)
- (gnus-insert-mime-button
- handle id (list (or display (and not-attachment text))))
- (gnus-article-insert-newline)
- ;(gnus-article-insert-newline)
- ;; Remember modify the number of forward lines.
- (setq move t))
- (setq beg (point))
- (cond
- (display
- (when move
- (forward-line -1)
- (setq beg (point)))
- (let ((mail-parse-charset gnus-newsgroup-charset)
- (mail-parse-ignored-charsets
- (save-excursion (condition-case ()
- (set-buffer gnus-summary-buffer)
- (error))
- gnus-newsgroup-ignored-charsets)))
- (mm-display-part handle t))
- (goto-char (point-max)))
- ((and text not-attachment)
- (when move
- (forward-line -1)
- (setq beg (point)))
- (gnus-article-insert-newline)
- (mm-insert-inline handle (mm-get-part handle))
- (goto-char (point-max))))
- ;; Do highlighting.
- (save-excursion
- (save-restriction
- (narrow-to-region beg (point))
- (gnus-treat-article
- nil id
- (gnus-article-mime-total-parts)
- (mm-handle-media-type handle)))))))))
-
-(defun gnus-unbuttonized-mime-type-p (type)
- "Say whether TYPE is to be unbuttonized."
- (unless gnus-inhibit-mime-unbuttonizing
- (catch 'found
- (let ((types gnus-unbuttonized-mime-types))
- (while types
- (when (string-match (pop types) type)
- (throw 'found t)))))))
-
-(defun gnus-article-insert-newline ()
- "Insert a newline, but mark it as undeletable."
- (gnus-put-text-property
- (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
-
-(defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
- (let* ((preferred (or preferred (mm-preferred-alternative handles)))
- (ihandles handles)
- (point (point))
- handle buffer-read-only from props begend not-pref)
- (save-window-excursion
- (save-restriction
- (when ibegend
- (narrow-to-region (car ibegend)
- (or (cdr ibegend)
- (progn
- (goto-char (car ibegend))
- (forward-line 2)
- (point))))
- (delete-region (point-min) (point-max))
- (mm-remove-parts handles))
- (setq begend (list (point-marker)))
- ;; Do the toggle.
- (unless (setq not-pref (cadr (member preferred ihandles)))
- (setq not-pref (car ihandles)))
- (when (or ibegend
- (not preferred)
- (not (gnus-unbuttonized-mime-type-p
- "multipart/alternative")))
- (gnus-add-text-properties
- (setq from (point))
- (progn
- (insert (format "%d. " id))
- (point))
- `(gnus-callback
- (lambda (handles)
- (unless ,(not ibegend)
- (setq gnus-article-mime-handle-alist
- ',gnus-article-mime-handle-alist))
- (gnus-mime-display-alternative
- ',ihandles ',not-pref ',begend ,id))
- ,@(if (>= (string-to-number emacs-version) 21)
- nil ;; XEmacs doesn't care
- (list 'local-map gnus-mime-button-map))
- ,gnus-mouse-face-prop ,gnus-article-mouse-face
- face ,gnus-article-button-face
- keymap ,gnus-mime-button-map
- gnus-part ,id
- gnus-data ,handle))
- (widget-convert-button 'link from (point)
- :action 'gnus-widget-press-button
- :button-keymap gnus-widget-button-keymap)
- ;; Do the handles
- (while (setq handle (pop handles))
- (gnus-add-text-properties
- (setq from (point))
- (progn
- (insert (format "(%c) %-18s"
- (if (equal handle preferred) ?* ? )
- (mm-handle-media-type handle)))
- (point))
- `(gnus-callback
- (lambda (handles)
- (unless ,(not ibegend)
- (setq gnus-article-mime-handle-alist
- ',gnus-article-mime-handle-alist))
- (gnus-mime-display-alternative
- ',ihandles ',handle ',begend ,id))
- ,@(if (>= (string-to-number emacs-version) 21)
- nil ;; XEmacs doesn't care
- (list 'local-map gnus-mime-button-map))
- ,gnus-mouse-face-prop ,gnus-article-mouse-face
- face ,gnus-article-button-face
- keymap ,gnus-mime-button-map
- gnus-part ,id
- gnus-data ,handle))
- (widget-convert-button 'link from (point)
- :action 'gnus-widget-press-button
- :button-keymap gnus-widget-button-keymap)
- (insert " "))
- (insert "\n\n"))
- (when preferred
- (if (stringp (car preferred))
- (gnus-display-mime preferred)
- (let ((mail-parse-charset gnus-newsgroup-charset)
- (mail-parse-ignored-charsets
- (save-excursion (set-buffer gnus-summary-buffer)
- gnus-newsgroup-ignored-charsets)))
- (mm-display-part preferred)
- ;; Do highlighting.
- (save-excursion
- (save-restriction
- (narrow-to-region (car begend) (point-max))
- (gnus-treat-article
- nil (length gnus-article-mime-handle-alist)
- (gnus-article-mime-total-parts)
- (mm-handle-media-type handle))))))
- (goto-char (point-max))
- (setcdr begend (point-marker)))))
- (when ibegend
- (goto-char point))))
-
-(defun gnus-article-wash-status ()
- "Return a string which display status of article washing."
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((cite (memq 'cite gnus-article-wash-types))
- (headers (memq 'headers gnus-article-wash-types))
- (boring (memq 'boring-headers gnus-article-wash-types))
- (pgp (memq 'pgp gnus-article-wash-types))
- (pem (memq 'pem gnus-article-wash-types))
- (signed (memq 'signed gnus-article-wash-types))
- (encrypted (memq 'encrypted gnus-article-wash-types))
- (signature (memq 'signature gnus-article-wash-types))
- (overstrike (memq 'overstrike gnus-article-wash-types))
- (emphasis (memq 'emphasis gnus-article-wash-types)))
- (format "%c%c%c%c%c%c%c"
- (if cite ?c ? )
- (if (or headers boring) ?h ? )
- (if (or pgp pem signed encrypted) ?p ? )
- (if signature ?s ? )
- (if overstrike ?o ? )
- (if gnus-show-mime ?m ? )
- (if emphasis ?e ? )))))
-
-(defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
-
-(defun gnus-article-maybe-hide-headers ()
- "Hide unwanted headers if `gnus-have-all-headers' is nil.
-Provided for backwards compatibility."
- (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
- (not (save-excursion (set-buffer gnus-summary-buffer)
- gnus-have-all-headers)))
- (not gnus-inhibit-hiding))
- (gnus-article-hide-headers)))
-
-;;; Article savers.
-
-(defun gnus-output-to-file (file-name)
- "Append the current article to a file named FILE-NAME."
- (let ((artbuf (current-buffer)))
- (with-temp-buffer
- (insert-buffer-substring artbuf)
- ;; Append newline at end of the buffer as separator, and then
- ;; save it to file.
- (goto-char (point-max))
- (insert "\n")
- (let ((file-name-coding-system nnmail-pathname-coding-system)
- (pathname-coding-system nnmail-pathname-coding-system))
- (write-region-as-binary (point-min) (point-max) file-name 'append))
- t)))
-
-(defun gnus-narrow-to-page (&optional arg)
- "Narrow the article buffer to a page.
-If given a numerical ARG, move forward ARG pages."
- (interactive "P")
- (setq arg (if arg (prefix-numeric-value arg) 0))
- (save-excursion
- (set-buffer gnus-article-buffer)
- (goto-char (point-min))
- (widen)
- ;; Remove any old next/prev buttons.
- (when (gnus-visual-p 'page-marker)
- (let ((buffer-read-only nil))
- (gnus-remove-text-with-property 'gnus-prev)
- (gnus-remove-text-with-property 'gnus-next)))
- (when
- (cond ((< arg 0)
- (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
- ((> arg 0)
- (re-search-forward page-delimiter nil 'move arg)))
- (goto-char (match-end 0)))
- (narrow-to-region
- (point)
- (if (re-search-forward page-delimiter nil 'move)
- (match-beginning 0)
- (point)))
- (when (and (gnus-visual-p 'page-marker)
- (not (= (point-min) 1)))
- (save-excursion
- (goto-char (point-min))
- (gnus-insert-prev-page-button)))
- (when (and (gnus-visual-p 'page-marker)
- (< (+ (point-max) 2) (buffer-size)))
- (save-excursion
- (goto-char (point-max))
- (gnus-insert-next-page-button)))))
-
-;; Article mode commands
-
-(defun gnus-article-goto-next-page ()
- "Show the next page of the article."
- (interactive)
- (when (gnus-article-next-page)
- (goto-char (point-min))
- (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
-
-(defun gnus-article-goto-prev-page ()
- "Show the next page of the article."
- (interactive)
- (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
- (gnus-article-prev-page nil)))
-
-(defun gnus-article-next-page (&optional lines)
- "Show the next page of the current article.
-If end of article, return non-nil. Otherwise return nil.
-Argument LINES specifies lines to be scrolled up."
- (interactive "p")
- (let ((start (window-start))
- end-of-buffer end-of-page)
- (save-excursion
- (move-to-window-line -1)
- (if (<= (point) start)
- (progn
- (forward-line 2)
- (setq start (point)))
- (forward-line 1)
- (setq start nil))
- (unless (or (cond ((eq (1+ (buffer-size)) (point))
- (and (pos-visible-in-window-p)
- (setq end-of-buffer t)))
- ((eobp)
- (setq end-of-page t)))
- (not lines))
- (move-to-window-line lines)
- (unless (search-backward "\n\n" nil t)
- (setq start (point)))))
- (cond (end-of-buffer t)
- (end-of-page
- (gnus-narrow-to-page 1)
- nil)
- (t
- (if start
- (set-window-start (selected-window) start)
- (let (window-pixel-scroll-increment)
- (scroll-up lines)))
- nil))))
-
-(defun gnus-article-prev-page (&optional lines)
- "Show previous page of current article.
-Argument LINES specifies lines to be scrolled down."
- (interactive "p")
- (let (beginning-of-buffer beginning-of-page)
- (save-excursion
- (move-to-window-line 0)
- (cond ((eq 1 (point))
- (setq beginning-of-buffer t))
- ((bobp)
- (setq beginning-of-page t))))
- (cond (beginning-of-buffer)
- (beginning-of-page
- (gnus-narrow-to-page -1))
- (t
- (condition-case nil
- (let (window-pixel-scroll-increment)
- (scroll-down lines))
- (beginning-of-buffer
- (goto-char (point-min))))))))
-
-(defun gnus-article-refer-article ()
- "Read article specified by message-id around point."
- (interactive)
- (let ((point (point)))
- (search-forward ">" nil t) ;Move point to end of "<....>".
- (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t)
- (let ((message-id (match-string 1)))
- (goto-char point)
- (set-buffer gnus-summary-buffer)
- (gnus-summary-refer-article message-id))
- (goto-char (point))
- (error "No references around point"))))
-
-(defun gnus-article-show-summary ()
- "Reconfigure windows to show summary buffer."
- (interactive)
- (if (not (gnus-buffer-live-p gnus-summary-buffer))
- (error "There is no summary buffer for this article buffer")
- (gnus-article-set-globals)
- (gnus-configure-windows 'article)
- (gnus-summary-goto-subject gnus-current-article)
- (gnus-summary-position-point)))
-
-(defun gnus-article-describe-briefly ()
- "Describe article mode commands briefly."
- (interactive)
- (gnus-message 6 (substitute-command-keys "\\<gnus-article-mode-map>\\[gnus-article-goto-next-page]:Next page \\[gnus-article-goto-prev-page]:Prev page \\[gnus-article-show-summary]:Show summary \\[gnus-info-find-node]:Run Info \\[gnus-article-describe-briefly]:This help")))
-
-(defun gnus-article-summary-command ()
- "Execute the last keystroke in the summary buffer."
- (interactive)
- (let ((obuf (current-buffer))
- (owin (current-window-configuration))
- func)
- (switch-to-buffer gnus-article-current-summary 'norecord)
- (setq func (lookup-key (current-local-map) (this-command-keys)))
- (call-interactively func)
- (set-buffer obuf)
- (set-window-configuration owin)
- (set-window-point (get-buffer-window (current-buffer)) (point))))
-
-(defun gnus-article-summary-command-nosave ()
- "Execute the last keystroke in the summary buffer."
- (interactive)
- (let (func)
- (pop-to-buffer gnus-article-current-summary 'norecord)
- (setq func (lookup-key (current-local-map) (this-command-keys)))
- (call-interactively func)))
-
-(defun gnus-article-check-buffer ()
- "Beep if not in an article buffer."
- (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
- (error "Command invoked outside of a Gnus article buffer")))
-
-(defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
- "Read a summary buffer key sequence and execute it from the article buffer."
- (interactive "P")
- (gnus-article-check-buffer)
- (let ((nosaves
- '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F"
- "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
- "=" "^" "\M-^" "|"))
- (nosave-but-article
- '("A\r"))
- (nosave-in-article
- '("\C-d"))
- (up-to-top
- '("n" "Gn" "p" "Gp"))
- keys new-sum-point)
- (save-excursion
- (set-buffer gnus-article-current-summary)
- (let (gnus-pick-mode)
- (push (or key last-command-event) unread-command-events)
- (setq keys (static-if (featurep 'xemacs)
- (events-to-keys (read-key-sequence nil))
- (read-key-sequence nil)))))
- (message "")
-
- (if (or (member keys nosaves)
- (member keys nosave-but-article)
- (member keys nosave-in-article))
- (let (func)
- (save-window-excursion
- (pop-to-buffer gnus-article-current-summary 'norecord)
- ;; We disable the pick minor mode commands.
- (let (gnus-pick-mode)
- (setq func (lookup-key (current-local-map) keys))))
- (if (or (not func)
- (numberp func))
- (ding)
- (unless (member keys nosave-in-article)
- (set-buffer gnus-article-current-summary))
- (call-interactively func)
- (setq new-sum-point (point)))
- (when (member keys nosave-but-article)
- (pop-to-buffer gnus-article-buffer 'norecord)))
- ;; These commands should restore window configuration.
- (let ((obuf (current-buffer))
- (owin (current-window-configuration))
- (opoint (point))
- (summary gnus-article-current-summary)
- func in-buffer selected)
- (if not-restore-window
- (pop-to-buffer summary 'norecord)
- (switch-to-buffer summary 'norecord))
- (setq in-buffer (current-buffer))
- ;; We disable the pick minor mode commands.
- (if (and (setq func (let (gnus-pick-mode)
- (lookup-key (current-local-map) keys)))
- (functionp func))
- (progn
- (call-interactively func)
- (setq new-sum-point (point))
- (when (eq in-buffer (current-buffer))
- (setq selected (gnus-summary-select-article))
- (set-buffer obuf)
- (unless not-restore-window
- (set-window-configuration owin))
- (when (eq selected 'old)
- (article-goto-body)
- (set-window-start (get-buffer-window (current-buffer))
- 1)
- (set-window-point (get-buffer-window (current-buffer))
- (point)))
- (let ((win (get-buffer-window gnus-article-current-summary)))
- (when win
- (set-window-point win new-sum-point)))) )
- (switch-to-buffer gnus-article-buffer)
- (ding))))))
-
-(defun gnus-article-describe-key (key)
- "Display documentation of the function invoked by KEY. KEY is a string."
- (interactive "kDescribe key: ")
- (gnus-article-check-buffer)
- (if (eq (key-binding key) 'gnus-article-read-summary-keys)
- (save-excursion
- (set-buffer gnus-article-current-summary)
- (let (gnus-pick-mode)
- (if (featurep 'xemacs)
- (progn
- (push (elt key 0) unread-command-events)
- (setq key (events-to-keys
- (read-key-sequence "Describe key: "))))
- (setq unread-command-events
- (mapcar
- (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
- key))
- (setq key (read-key-sequence "Describe key: "))))
- (describe-key key))
- (describe-key key)))
-
-(defun gnus-article-describe-key-briefly (key &optional insert)
- "Display documentation of the function invoked by KEY. KEY is a string."
- (interactive "kDescribe key: \nP")
- (gnus-article-check-buffer)
- (if (eq (key-binding key) 'gnus-article-read-summary-keys)
- (save-excursion
- (set-buffer gnus-article-current-summary)
- (let (gnus-pick-mode)
- (if (featurep 'xemacs)
- (progn
- (push (elt key 0) unread-command-events)
- (setq key (events-to-keys
- (read-key-sequence "Describe key: "))))
- (setq unread-command-events
- (mapcar
- (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
- key))
- (setq key (read-key-sequence "Describe key: "))))
- (describe-key-briefly key insert))
- (describe-key-briefly key insert)))
-
-(defun gnus-article-hide (&optional arg force)
- "Hide all the gruft in the current article.
-This means that PGP stuff, signatures, cited text and (some)
-headers will be hidden.
-If given a prefix, show the hidden text instead."
- (interactive (append (gnus-article-hidden-arg) (list 'force)))
- (gnus-article-hide-headers arg)
- (gnus-article-hide-list-identifiers arg)
- (gnus-article-hide-pgp arg)
- (gnus-article-hide-citation-maybe arg force)
- (gnus-article-hide-signature arg))
-
-(defun gnus-article-maybe-highlight ()
- "Do some article highlighting if article highlighting is requested."
- (when (gnus-visual-p 'article-highlight 'highlight)
- (gnus-article-highlight-some)))
-
-(defun gnus-check-group-server ()
- ;; Make sure the connection to the server is alive.
- (unless (gnus-server-opened
- (gnus-find-method-for-group gnus-newsgroup-name))
- (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
- (gnus-request-group gnus-newsgroup-name t)))
-
-(defun gnus-request-article-this-buffer (article group)
- "Get an article and insert it into this buffer.
-T-gnus change: Insert an article into `gnus-original-article-buffer'."
- (let (do-update-line sparse-header)
- ;; The current buffer is `gnus-article-buffer'.
- (prog1
- (save-excursion
- (erase-buffer)
- (gnus-kill-all-overlays)
- (setq group (or group gnus-newsgroup-name))
-
- ;; Using `gnus-request-article' directly will insert the article into
- ;; `nntp-server-buffer' - so we'll save some time by not having to
- ;; copy it from the server buffer into the article buffer.
-
- ;; We only request an article by message-id when we do not have the
- ;; headers for it, so we'll have to get those.
- (when (stringp article)
- (gnus-read-header article))
-
- ;; If the article number is negative, that means that this article
- ;; doesn't belong in this newsgroup (possibly), so we find its
- ;; message-id and request it by id instead of number.
- (when (and (numberp article)
- gnus-summary-buffer
- (get-buffer gnus-summary-buffer)
- (gnus-buffer-exists-p gnus-summary-buffer))
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (let ((header (gnus-summary-article-header article)))
- (when (< article 0)
- (cond
- ((memq article gnus-newsgroup-sparse)
- ;; This is a sparse gap article.
- (setq do-update-line article)
- (setq article (mail-header-id header))
- (setq sparse-header (gnus-read-header article))
- (setq gnus-newsgroup-sparse
- (delq article gnus-newsgroup-sparse)))
- ((vectorp header)
- ;; It's a real article.
- (setq article (mail-header-id header)))
- (t
- ;; It is an extracted pseudo-article.
- (setq article 'pseudo)
- (gnus-request-pseudo-article header))))
-
- (let ((method (gnus-find-method-for-group
- gnus-newsgroup-name)))
- (when (and (eq (car method) 'nneething)
- (vectorp header))
- (let ((dir (expand-file-name
- (mail-header-subject header)
- (file-name-as-directory
- (or (cadr (assq 'nneething-address method))
- (nth 1 method))))))
- (when (file-directory-p dir)
- (setq article 'nneething)
- (gnus-group-enter-directory dir))))))))
- (setq gnus-original-article (cons group article))
-
- (set-buffer gnus-original-article-buffer)
- (cond
- ;; Refuse to select canceled articles.
- ((and (numberp article)
- gnus-summary-buffer
- (get-buffer gnus-summary-buffer)
- (gnus-buffer-exists-p gnus-summary-buffer)
- (eq (cdr (save-excursion
- (set-buffer gnus-summary-buffer)
- (assq article gnus-newsgroup-reads)))
- gnus-canceled-mark))
- nil)
- ;; Check the backlog.
- ((and gnus-keep-backlog
- (gnus-backlog-request-article group article (current-buffer)))
- 'article)
- ;; Check asynchronous pre-fetch.
- ((gnus-async-request-fetched-article group article (current-buffer))
- (gnus-async-prefetch-next group article gnus-summary-buffer)
- (when (and (numberp article) gnus-keep-backlog)
- (gnus-backlog-enter-article group article (current-buffer)))
- 'article)
- ;; Check the cache.
- ((and gnus-use-cache
- (numberp article)
- (gnus-cache-request-article article group))
- 'article)
- ;; Get the article and put into the article buffer.
- ((or (stringp article)
- (numberp article))
- (let ((gnus-override-method gnus-override-method)
- (methods (and (stringp article)
- gnus-refer-article-method))
- result
- (buffer-read-only nil))
- (if (or (not (listp methods))
- (and (symbolp (car methods))
- (assq (car methods) nnoo-definition-alist)))
- (setq methods (list methods)))
- (when (and (null gnus-override-method)
- methods)
- (setq gnus-override-method (pop methods)))
- (while (not result)
- (when (eq gnus-override-method 'current)
- (setq gnus-override-method gnus-current-select-method))
- (erase-buffer)
- (gnus-kill-all-overlays)
- (let ((gnus-newsgroup-name group))
- (gnus-check-group-server))
- (when (gnus-request-article article group (current-buffer))
- (when (numberp article)
- (gnus-async-prefetch-next group article
- gnus-summary-buffer)
- (when gnus-keep-backlog
- (gnus-backlog-enter-article
- group article (current-buffer))))
- (setq result 'article))
- (if (not result)
- (if methods
- (setq gnus-override-method (pop methods))
- (setq result 'done))))
- (and (eq result 'article) 'article)))
- ;; It was a pseudo.
- (t article)))
-
- ;; Associate this article with the current summary buffer.
- (setq gnus-article-current-summary gnus-summary-buffer)
-
- ;; Decode charsets.
- (run-hooks 'gnus-article-decode-hook)
- ;; Mark article as decoded or not.
- (setq gnus-article-decoded-p gnus-article-decode-hook)
-
- ;; Update sparse articles.
- (when (and do-update-line
- (or (numberp article)
- (stringp article)))
- (let ((buf (current-buffer)))
- (set-buffer gnus-summary-buffer)
- (gnus-summary-update-article do-update-line sparse-header)
- (gnus-summary-goto-subject do-update-line nil t)
- (set-window-point (get-buffer-window (current-buffer) t)
- (point))
- (set-buffer buf))))))
-
-;;;
-;;; Article editing
-;;;
-
-(defcustom gnus-article-edit-mode-hook nil
- "Hook run in article edit mode buffers."
- :group 'gnus-article-various
- :type 'hook)
-
-(defcustom gnus-article-edit-article-setup-function
- 'gnus-article-mime-edit-article-setup
- "Function called to setup an editing article buffer."
- :group 'gnus-article-various
- :type 'function)
-
-(defvar gnus-article-edit-done-function nil)
-
-(defvar gnus-article-edit-mode-map nil)
-
-;; Should we be using derived.el for this?
-(unless gnus-article-edit-mode-map
- (setq gnus-article-edit-mode-map (make-sparse-keymap))
- (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
-
- (gnus-define-keys gnus-article-edit-mode-map
- "\C-c\C-c" gnus-article-edit-done
- "\C-c\C-k" gnus-article-edit-exit)
-
- (gnus-define-keys (gnus-article-edit-wash-map
- "\C-c\C-w" gnus-article-edit-mode-map)
- "f" gnus-article-edit-full-stops))
-
-(define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
- "Major mode for editing articles.
-This is an extended text-mode.
-
-\\{gnus-article-edit-mode-map}"
- (make-local-variable 'gnus-article-edit-done-function)
- (make-local-variable 'gnus-prev-winconf)
- (set (make-local-variable 'font-lock-defaults)
- '(message-font-lock-keywords t))
- (setq buffer-read-only nil)
- (buffer-enable-undo)
- (widen))
-
-(defun gnus-article-edit (&optional force)
- "Edit the current article.
-This will have permanent effect only in mail groups.
-If FORCE is non-nil, allow editing of articles even in read-only
-groups."
- (interactive "P")
- (when (and (not force)
- (gnus-group-read-only-p))
- (error "The current newsgroup does not support article editing"))
- (gnus-article-date-original)
- (gnus-article-edit-article
- 'ignore
- `(lambda (no-highlight)
- 'ignore
- (gnus-summary-edit-article-done
- ,(or (mail-header-references gnus-current-headers) "")
- ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
-
-(defun gnus-article-edit-article (start-func exit-func)
- "Start editing the contents of the current article buffer."
- (let ((winconf (current-window-configuration)))
- (set-buffer gnus-article-buffer)
- (gnus-article-edit-mode)
- (funcall start-func)
- (set-buffer-modified-p nil)
- (gnus-configure-windows 'edit-article)
- (setq gnus-article-edit-done-function exit-func)
- (setq gnus-prev-winconf winconf)
- (when gnus-article-edit-article-setup-function
- (funcall gnus-article-edit-article-setup-function))
- (gnus-message 6 "C-c C-c to end edits; C-c C-k to exit")))
-
-(defun gnus-article-edit-done (&optional arg)
- "Update the article edits and exit."
- (interactive "P")
- (let ((func gnus-article-edit-done-function)
- (buf (current-buffer))
- (start (window-start)))
- (remove-hook 'gnus-article-mode-hook
- 'gnus-article-mime-edit-article-unwind)
- ;; We remove all text props from the article buffer.
- (let ((content
- (buffer-substring-no-properties (point-min) (point-max)))
- (p (point)))
- (erase-buffer)
- (insert content)
- (let ((winconf gnus-prev-winconf))
- (gnus-article-mode)
- (set-window-configuration winconf)
- ;; Tippy-toe some to make sure that point remains where it was.
- (save-current-buffer
- (set-buffer buf)
- (set-window-start (get-buffer-window (current-buffer)) start)
- (goto-char p))))
- (save-excursion
- (set-buffer buf)
- (let ((buffer-read-only nil))
- (funcall func arg))
- ;; The cache and backlog have to be flushed somewhat.
- (when gnus-keep-backlog
- (gnus-backlog-remove-article
- (car gnus-article-current) (cdr gnus-article-current)))
- ;; Flush original article as well.
- (save-excursion
- (when (get-buffer gnus-original-article-buffer)
- (set-buffer gnus-original-article-buffer)
- (setq gnus-original-article nil)))
- (when gnus-use-cache
- (gnus-cache-update-article
- (car gnus-article-current) (cdr gnus-article-current))))
- (set-buffer buf)
- (set-window-start (get-buffer-window buf) start)
- (set-window-point (get-buffer-window buf) (point))))
-
-(defun gnus-article-edit-exit ()
- "Exit the article editing without updating."
- (interactive)
- (when (or (not (buffer-modified-p))
- (yes-or-no-p "Article modified; kill anyway? "))
- (let ((curbuf (current-buffer))
- (p (point))
- (window-start (window-start)))
- (erase-buffer)
- (if (gnus-buffer-live-p gnus-original-article-buffer)
- (insert-buffer gnus-original-article-buffer))
- (let ((winconf gnus-prev-winconf))
- (gnus-article-mode)
- (set-window-configuration winconf)
- ;; Tippy-toe some to make sure that point remains where it was.
- (save-current-buffer
- (set-buffer curbuf)
- (set-window-start (get-buffer-window (current-buffer)) window-start)
- (goto-char p))))))
-
-(defun gnus-article-edit-full-stops ()
- "Interactively repair spacing at end of sentences."
- (interactive)
- (save-excursion
- (goto-char (point-min))
- (search-forward-regexp "^$" nil t)
- (let ((case-fold-search nil))
- (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
-
-;;;
-;;; Article editing with MIME-Edit
-;;;
-
-(defcustom gnus-article-mime-edit-article-setup-hook nil
- "Hook run after setting up a MIME editing article buffer."
- :group 'gnus-article-various
- :type 'hook)
-
-(defun gnus-article-mime-edit-article-unwind ()
- "Unwind `gnus-article-buffer' if article editing was given up."
- (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
- (when (featurep 'font-lock)
- (setq font-lock-defaults nil)
- (font-lock-mode -1))
- (when mime-edit-mode-flag
- (mime-edit-exit 'nomime 'no-error)
- (message "")))
-
-(defun gnus-article-mime-edit-article-setup ()
- "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
-after replacing with the original article."
- (setq gnus-show-mime t)
- (setq gnus-article-edit-done-function
- `(lambda (&rest args)
- (when mime-edit-mode-flag
- (let (mime-edit-insert-user-agent-field)
- (mime-edit-exit))
- (message ""))
- (goto-char (point-min))
- (let (case-fold-search)
- (when (re-search-forward
- (format "^%s$" (regexp-quote mail-header-separator))
- nil t)
- (replace-match "")))
- (apply ,gnus-article-edit-done-function args)
- (insert
- (prog1
- (buffer-substring-no-properties (point-min) (point-max))
- (set-buffer (get-buffer-create gnus-original-article-buffer))
- (erase-buffer)))
- (setq gnus-current-headers (gnus-article-make-full-mail-header))
- (set-buffer gnus-article-buffer)
- (gnus-article-prepare-display)))
- (substitute-key-definition 'gnus-article-edit-done
- 'gnus-article-mime-edit-done
- gnus-article-edit-mode-map)
- (substitute-key-definition 'gnus-article-edit-exit
- 'gnus-article-mime-edit-exit
- gnus-article-edit-mode-map)
- (erase-buffer)
- (insert-buffer gnus-original-article-buffer)
- (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
- (fset 'mime-edit-decode-single-part-in-buffer
- (lambda (&rest args)
- (if (let ((content-type (car args)))
- (and (eq 'message (mime-content-type-primary-type
- content-type))
- (eq 'rfc822 (mime-content-type-subtype content-type))))
- (setcar (cdr args) 'not-decode-text))
- (apply ofn args)))
- (unwind-protect
- (mime-edit-again)
- (fset 'mime-edit-decode-single-part-in-buffer ofn)))
- (when (featurep 'font-lock)
- (set (make-local-variable 'font-lock-defaults)
- '(message-font-lock-keywords t))
- (font-lock-set-defaults)
- (turn-on-font-lock))
- (set-buffer-modified-p nil)
- (delete-other-windows)
- (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
- (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
-
-(defun gnus-article-mime-edit-done (&optional arg)
- "Update the article MIME edits and exit."
- (interactive "P")
- (when (featurep 'font-lock)
- (setq font-lock-defaults nil)
- (font-lock-mode -1))
- (gnus-article-edit-done arg))
-
-(defun gnus-article-mime-edit-exit ()
- "Exit the article MIME editing without updating."
- (interactive)
- (when (or (not (buffer-modified-p))
- (yes-or-no-p "Article modified; kill anyway? "))
- (when (featurep 'font-lock)
- (setq font-lock-defaults nil)
- (font-lock-mode -1))
- (when mime-edit-mode-flag
- (let (mime-edit-insert-user-agent-field)
- (mime-edit-exit))
- (message ""))
- (goto-char (point-min))
- (let (case-fold-search)
- (when (re-search-forward
- (format "^%s$" (regexp-quote mail-header-separator)) nil t)
- (replace-match "")))
- (let ((winconf gnus-prev-winconf))
- (insert (prog1
- (buffer-substring-no-properties (point-min) (point-max))
- (set-buffer (get-buffer-create gnus-original-article-buffer))
- (erase-buffer)))
- (setq gnus-current-headers (gnus-article-make-full-mail-header))
- (set-buffer gnus-article-buffer)
- (gnus-article-prepare-display)
- (set-window-configuration winconf))))
-
-;;;
-;;; Article highlights
-;;;
-
-;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
-
-;;; Internal Variables:
-
-(defcustom gnus-button-url-regexp "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?\\([-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]\\|\\w\\)+\\([-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)\\)"
- "Regular expression that matches URLs."
- :group 'gnus-article-buttons
- :type 'regexp)
-
-(defcustom gnus-button-alist
- `(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
- 0 t gnus-button-handle-news 3)
- ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
- gnus-button-handle-news 2)
- ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
- 1 t
- gnus-button-fetch-group 4)
- ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
- ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
- t gnus-button-message-id 3)
- ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
- ("mailto:\\([-a-zA-Z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
- ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
- ;; This is info
- ("\\binfo:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t
- gnus-button-handle-info 2)
- ;; This is how URLs _should_ be embedded in text...
- ("<URL: *\\([^<>]*\\)>" 0 t gnus-button-embedded-url 1)
- ;; Raw URLs.
- (,gnus-button-url-regexp 0 t browse-url 0))
- "*Alist of regexps matching buttons in article bodies.
-
-Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
-REGEXP: is the string matching text around the button,
-BUTTON: is the number of the regexp grouping actually matching the button,
-FORM: is a lisp expression which must eval to true for the button to
-be added,
-CALLBACK: is the function to call when the user push this button, and each
-PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
-
-CALLBACK can also be a variable, in that case the value of that
-variable it the real callback function."
- :group 'gnus-article-buttons
- :type '(repeat (list regexp
- (integer :tag "Button")
- (sexp :tag "Form")
- (function :tag "Callback")
- (repeat :tag "Par"
- :inline t
- (integer :tag "Regexp group")))))
-
-(defcustom gnus-header-button-alist
- `(("^\\(References\\|Message-I[Dd]\\):" "<[^<>]+>"
- 0 t gnus-button-message-id 0)
- ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
- ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
- 0 t gnus-button-mailto 0)
- ("^X-[Uu][Rr][Ll]:" ,gnus-button-url-regexp 0 t browse-url 0)
- ("^Subject:" ,gnus-button-url-regexp 0 t browse-url 0)
- ("^[^:]+:" ,gnus-button-url-regexp 0 t browse-url 0)
- ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
- gnus-button-message-id 3))
- "*Alist of headers and regexps to match buttons in article heads.
-
-This alist is very similar to `gnus-button-alist', except that each
-alist has an additional HEADER element first in each entry:
-
-\(HEADER REGEXP BUTTON FORM CALLBACK PAR)
-
-HEADER is a regexp to match a header. For a fuller explanation, see
-`gnus-button-alist'."
- :group 'gnus-article-buttons
- :group 'gnus-article-headers
- :type '(repeat (list (regexp :tag "Header")
- regexp
- (integer :tag "Button")
- (sexp :tag "Form")
- (function :tag "Callback")
- (repeat :tag "Par"
- :inline t
- (integer :tag "Regexp group")))))
-
-(defvar gnus-button-regexp nil)
-(defvar gnus-button-marker-list nil)
-;; Regexp matching any of the regexps from `gnus-button-alist'.
-
-(defvar gnus-button-last nil)
-;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
-
-;;; Commands:
-
-(defun gnus-article-push-button (event)
- "Check text under the mouse pointer for a callback function.
-If the text under the mouse pointer has a `gnus-callback' property,
-call it with the value of the `gnus-data' text property."
- (interactive "e")
- (set-buffer (window-buffer (posn-window (event-start event))))
- (let* ((pos (posn-point (event-start event)))
- (data (get-text-property pos 'gnus-data))
- (fun (get-text-property pos 'gnus-callback)))
- (goto-char pos)
- (when fun
- (funcall fun data))))
-
-(defun gnus-article-press-button ()
- "Check text at point for a callback function.
-If the text at point has a `gnus-callback' property,
-call it with the value of the `gnus-data' text property."
- (interactive)
- (let* ((data (get-text-property (point) 'gnus-data))
- (fun (get-text-property (point) 'gnus-callback)))
- (when fun
- (funcall fun data))))
-
-(defun gnus-article-prev-button (n)
- "Move point to N buttons backward.
-If N is negative, move forward instead."
- (interactive "p")
- (gnus-article-next-button (- n)))
-
-(defun gnus-article-next-button (n)
- "Move point to N buttons forward.
-If N is negative, move backward instead."
- (interactive "p")
- (let ((function (if (< n 0) 'previous-single-property-change
- 'next-single-property-change))
- (inhibit-point-motion-hooks t)
- (backward (< n 0))
- (limit (if (< n 0) (point-min) (point-max))))
- (setq n (abs n))
- (while (and (not (= limit (point)))
- (> n 0))
- ;; Skip past the current button.
- (when (get-text-property (point) 'gnus-callback)
- (goto-char (funcall function (point) 'gnus-callback nil limit)))
- ;; Go to the next (or previous) button.
- (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
- ;; Put point at the start of the button.
- (when (and backward (not (get-text-property (point) 'gnus-callback)))
- (goto-char (funcall function (point) 'gnus-callback nil limit)))
- ;; Skip past intangible buttons.
- (when (get-text-property (point) 'intangible)
- (incf n))
- (decf n))
- (unless (zerop n)
- (gnus-message 5 "No more buttons"))
- n))
-
-(defun gnus-article-highlight (&optional force)
- "Highlight current article.
-This function calls `gnus-article-highlight-headers',
-`gnus-article-highlight-citation',
-`gnus-article-highlight-signature', and `gnus-article-add-buttons' to
-do the highlighting. See the documentation for those functions."
- (interactive (list 'force))
- (gnus-article-highlight-headers)
- (gnus-article-highlight-citation force)
- (gnus-article-highlight-signature)
- (gnus-article-add-buttons force)
- (gnus-article-add-buttons-to-head))
-
-(defun gnus-article-highlight-some (&optional force)
- "Highlight current article.
-This function calls `gnus-article-highlight-headers',
-`gnus-article-highlight-signature', and `gnus-article-add-buttons' to
-do the highlighting. See the documentation for those functions."
- (interactive (list 'force))
- (gnus-article-highlight-headers)
- (gnus-article-highlight-signature)
- (gnus-article-add-buttons))
-
-(defun gnus-article-highlight-headers ()
- "Highlight article headers as specified by `gnus-header-face-alist'."
- (interactive)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (save-restriction
- (let ((alist gnus-header-face-alist)
- (buffer-read-only nil)
- (case-fold-search t)
- (inhibit-point-motion-hooks t)
- entry regexp header-face field-face from hpoints fpoints)
- (article-narrow-to-head)
- (while (setq entry (pop alist))
- (goto-char (point-min))
- (setq regexp (concat "^\\("
- (if (string-equal "" (nth 0 entry))
- "[^\t ]"
- (nth 0 entry))
- "\\)")
- header-face (nth 1 entry)
- field-face (nth 2 entry))
- (while (and (re-search-forward regexp nil t)
- (not (eobp)))
- (beginning-of-line)
- (setq from (point))
- (unless (search-forward ":" nil t)
- (forward-char 1))
- (when (and header-face
- (not (memq (point) hpoints)))
- (push (point) hpoints)
- (gnus-put-text-property from (point) 'face header-face))
- (when (and field-face
- (not (memq (setq from (point)) fpoints)))
- (push from fpoints)
- (if (re-search-forward "^[^ \t]" nil t)
- (forward-char -2)
- (goto-char (point-max)))
- (gnus-put-text-property from (point) 'face field-face))))))))
-
-(defun gnus-article-highlight-signature ()
- "Highlight the signature in an article.
-It does this by highlighting everything after
-`gnus-signature-separator' using `gnus-signature-face'."
- (interactive)
- (when gnus-signature-face
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((buffer-read-only nil)
- (inhibit-point-motion-hooks t))
- (save-restriction
- (when (gnus-article-narrow-to-signature)
- (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
- 'face gnus-signature-face)))))))
-
-(defun gnus-article-buttonize-signature ()
- "Add button to the signature."
- (interactive)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((buffer-read-only nil)
- (inhibit-point-motion-hooks t))
- (when (gnus-article-search-signature)
- (gnus-article-add-button (match-beginning 0) (match-end 0)
- 'gnus-signature-toggle
- (set-marker (make-marker)
- (1+ (match-end 0))))))))
-
-(defun gnus-button-in-region-p (b e prop)
- "Say whether PROP exists in the region."
- (text-property-not-all b e prop nil))
-
-(defun gnus-article-add-buttons (&optional force)
- "Find external references in the article and make buttons of them.
-\"External references\" are things like Message-IDs and URLs, as
-specified by `gnus-button-alist'."
- (interactive (list 'force))
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((buffer-read-only nil)
- (inhibit-point-motion-hooks t)
- (case-fold-search t)
- (alist gnus-button-alist)
- beg entry regexp)
- ;; Remove all old markers.
- (let (marker entry new-list)
- (while (setq marker (pop gnus-button-marker-list))
- (if (or (< marker (point-min)) (>= marker (point-max)))
- (push marker new-list)
- (goto-char marker)
- (when (setq entry (gnus-button-entry))
- (put-text-property (match-beginning (nth 1 entry))
- (match-end (nth 1 entry))
- 'gnus-callback nil))
- (set-marker marker nil)))
- (setq gnus-button-marker-list new-list))
- ;; We skip the headers.
- (article-goto-body)
- (setq beg (point))
- (while (setq entry (pop alist))
- (setq regexp (car entry))
- (goto-char beg)
- (while (re-search-forward regexp nil t)
- (let* ((start (and entry (match-beginning (nth 1 entry))))
- (end (and entry (match-end (nth 1 entry))))
- (from (match-beginning 0)))
- (when (and (or (eq t (nth 2 entry))
- (eval (nth 2 entry)))
- (not (gnus-button-in-region-p
- start end 'gnus-callback)))
- ;; That optional form returned non-nil, so we add the
- ;; button.
- (gnus-article-add-button
- start end 'gnus-button-push
- (car (push (set-marker (make-marker) from)
- gnus-button-marker-list))))))))))
-
-;; Add buttons to the head of an article.
-(defun gnus-article-add-buttons-to-head ()
- "Add buttons to the head of the article."
- (interactive)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (save-restriction
- (let ((buffer-read-only nil)
- (inhibit-point-motion-hooks t)
- (case-fold-search t)
- (alist gnus-header-button-alist)
- entry beg end)
- (article-narrow-to-head)
- (while alist
- ;; Each alist entry.
- (setq entry (car alist)
- alist (cdr alist))
- (goto-char (point-min))
- (while (re-search-forward (car entry) nil t)
- ;; Each header matching the entry.
- (setq beg (match-beginning 0))
- (setq end (or (and (re-search-forward "^[^ \t]" nil t)
- (match-beginning 0))
- (point-max)))
- (goto-char beg)
- (while (re-search-forward (nth 1 entry) end t)
- ;; Each match within a header.
- (let* ((entry (cdr entry))
- (start (match-beginning (nth 1 entry)))
- (end (match-end (nth 1 entry)))
- (form (nth 2 entry)))
- (goto-char (match-end 0))
- (when (eval form)
- (gnus-article-add-button
- start end (nth 3 entry)
- (buffer-substring (match-beginning (nth 4 entry))
- (match-end (nth 4 entry)))))))
- (goto-char end)))))))
-
-;;; External functions:
-
-(defun gnus-article-add-button (from to fun &optional data)
- "Create a button between FROM and TO with callback FUN and data DATA."
- (when gnus-article-button-face
- (gnus-overlay-put (gnus-make-overlay from to)
- 'face gnus-article-button-face))
- (gnus-add-text-properties
- from to
- (nconc (and gnus-article-mouse-face
- (list gnus-mouse-face-prop gnus-article-mouse-face))
- (list 'gnus-callback fun)
- (and data (list 'gnus-data data))))
- (widget-convert-button 'link from to :action 'gnus-widget-press-button
- ;; Quote `:button-keymap' for Mule 2.3
- ;; but it won't work.
- ':button-keymap gnus-widget-button-keymap))
-
-;;; Internal functions:
-
-(defun gnus-article-set-globals ()
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (gnus-set-global-variables)))
-
-(defun gnus-signature-toggle (end)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((buffer-read-only nil)
- (inhibit-point-motion-hooks t)
- (limit (next-single-property-change end 'mime-view-entity
- nil (point-max))))
- (if (text-property-any end limit 'article-type 'signature)
- (gnus-remove-text-properties-when
- 'article-type 'signature end limit
- (cons 'article-type (cons 'signature
- gnus-hidden-properties)))
- (gnus-add-text-properties-when
- 'article-type nil end limit
- (cons 'article-type (cons 'signature
- gnus-hidden-properties)))))))
-
-(defun gnus-button-entry ()
- ;; Return the first entry in `gnus-button-alist' matching this place.
- (let ((alist gnus-button-alist)
- (entry nil))
- (while alist
- (setq entry (pop alist))
- (if (looking-at (car entry))
- (setq alist nil)
- (setq entry nil)))
- entry))
-
-(defun gnus-button-push (marker)
- ;; Push button starting at MARKER.
- (save-excursion
- (goto-char marker)
- (let* ((entry (gnus-button-entry))
- (inhibit-point-motion-hooks t)
- (fun (nth 3 entry))
- (args (mapcar (lambda (group)
- (let ((string (match-string group)))
- (gnus-set-text-properties
- 0 (length string) nil string)
- string))
- (nthcdr 4 entry))))
- (cond
- ((fboundp fun)
- (apply fun args))
- ((and (boundp fun)
- (fboundp (symbol-value fun)))
- (apply (symbol-value fun) args))
- (t
- (gnus-message 1 "You must define `%S' to use this button"
- (cons fun args)))))))
-
-(defun gnus-parse-news-url (url)
- (let (scheme server group message-id articles)
- (with-temp-buffer
- (insert url)
- (goto-char (point-min))
- (when (looking-at "\\([A-Za-z]+\\):")
- (setq scheme (match-string 1))
- (goto-char (match-end 0)))
- (when (looking-at "//\\([^/]+\\)/")
- (setq server (match-string 1))
- (goto-char (match-end 0)))
-
- (cond
- ((looking-at "\\(.*@.*\\)")
- (setq message-id (match-string 1)))
- ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
- (setq group (match-string 1)
- articles (split-string (match-string 2) "-")))
- ((looking-at "\\([^/]+\\)/?")
- (setq group (match-string 1)))
- (t
- (error "Unknown news URL syntax"))))
- (list scheme server group message-id articles)))
-
-(defun gnus-button-handle-news (url)
- "Fetch a news URL."
- (destructuring-bind (scheme server group message-id articles)
- (gnus-parse-news-url url)
- (cond
- (message-id
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (if server
- (let ((gnus-refer-article-method (list (list 'nntp server))))
- (gnus-summary-refer-article message-id))
- (gnus-summary-refer-article message-id))))
- (group
- (gnus-button-fetch-group url)))))
-
-(defun gnus-button-handle-info (url)
- "Fetch an info URL."
- (if (string-match
- "^\\([^:/]+\\)?/\\(.*\\)"
- url)
- (gnus-info-find-node
- (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
- "Gnus")
- ")"
- (gnus-url-unhex-string (match-string 2 url))))
- (error "Can't parse %s" url)))
-
-(defun gnus-button-message-id (message-id)
- "Fetch MESSAGE-ID."
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (gnus-summary-refer-article message-id)))
-
-(defun gnus-button-fetch-group (address)
- "Fetch GROUP specified by ADDRESS."
- (if (not (string-match "[:/]" address))
- ;; This is just a simple group url.
- (gnus-group-read-ephemeral-group address gnus-select-method)
- (if (not
- (string-match
- "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
- address))
- (error "Can't parse %s" address)
- (gnus-group-read-ephemeral-group
- (match-string 4 address)
- `(nntp ,(match-string 1 address)
- (nntp-address ,(match-string 1 address))
- (nntp-port-number ,(if (match-end 3)
- (match-string 3 address)
- "nntp")))
- nil nil nil
- (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
-
-(defun gnus-url-parse-query-string (query &optional downcase)
- (let (retval pairs cur key val)
- (setq pairs (split-string query "&"))
- (while pairs
- (setq cur (car pairs)
- pairs (cdr pairs))
- (if (not (string-match "=" cur))
- nil ; Grace
- (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
- val (gnus-url-unhex-string (substring cur (match-end 0) nil)))
- (if downcase
- (setq key (downcase key)))
- (setq cur (assoc key retval))
- (if cur
- (setcdr cur (cons val (cdr cur)))
- (setq retval (cons (list key val) retval)))))
- retval))
-
-(defun gnus-url-unhex (x)
- (if (> x ?9)
- (if (>= x ?a)
- (+ 10 (- x ?a))
- (+ 10 (- x ?A)))
- (- x ?0)))
-
-(defun gnus-url-unhex-string (str &optional allow-newlines)
- "Remove %XXX embedded spaces, etc in a url.
-If optional second argument ALLOW-NEWLINES is non-nil, then allow the
-decoding of carriage returns and line feeds in the string, which is normally
-forbidden in URL encoding."
- (setq str (or (nnheader-replace-chars-in-string str ?+ ? ) ""))
- (let ((tmp "")
- (case-fold-search t))
- (while (string-match "%[0-9a-f][0-9a-f]" str)
- (let* ((start (match-beginning 0))
- (ch1 (gnus-url-unhex (elt str (+ start 1))))
- (code (+ (* 16 ch1)
- (gnus-url-unhex (elt str (+ start 2))))))
- (setq tmp (concat
- tmp (substring str 0 start)
- (cond
- (allow-newlines
- (char-to-string code))
- ((or (= code ?\n) (= code ?\r))
- " ")
- (t (char-to-string code))))
- str (substring str (match-end 0)))))
- (setq tmp (concat tmp str))
- tmp))
-
-(defun gnus-url-mailto (url)
- ;; Send mail to someone
- (when (string-match "mailto:/*\\(.*\\)" url)
- (setq url (substring url (match-beginning 1) nil)))
- (let (to args subject func)
- (if (string-match (regexp-quote "?") url)
- (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
- args (gnus-url-parse-query-string
- (substring url (match-end 0) nil) t))
- (setq to (gnus-url-unhex-string url)))
- (setq args (cons (list "to" to) args)
- subject (cdr-safe (assoc "subject" args)))
- (gnus-msg-mail)
- (while args
- (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
- (if (fboundp func)
- (funcall func)
- (message-position-on-field (caar args)))
- (insert (mapconcat 'identity (cdar args) ", "))
- (setq args (cdr args)))
- (if subject
- (message-goto-body)
- (message-goto-subject))))
-
-(defun gnus-button-embedded-url (address)
- "Activate ADDRESS with `browse-url'."
- (browse-url (gnus-strip-whitespace address)))
-
-(eval-when-compile
- ;; Silence the byte-compiler.
- (autoload 'smiley-toggle-buffer "gnus-bitmap"))
-(defun gnus-article-smiley-display ()
- "Display \"smileys\" as small graphical icons."
- (smiley-toggle-buffer 1 (current-buffer) (point-min) (point-max)))
-
-;;; Next/prev buttons in the article buffer.
-
-(defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
-(defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
-
-(defvar gnus-prev-page-map nil)
-(unless gnus-prev-page-map
- (setq gnus-prev-page-map (make-sparse-keymap))
- (define-key gnus-prev-page-map gnus-mouse-2 'gnus-button-prev-page)
- (define-key gnus-prev-page-map "\r" 'gnus-button-prev-page))
-
-(static-if (featurep 'xemacs)
- (defun gnus-insert-prev-page-button ()
- (let ((buffer-read-only nil))
- (gnus-eval-format
- gnus-prev-page-line-format nil
- `(gnus-prev t local-map ,gnus-prev-page-map
- gnus-callback gnus-article-button-prev-page
- article-type annotation))))
- (defun gnus-insert-prev-page-button ()
- (let ((buffer-read-only nil)
- (situation (get-text-property (point-min) 'mime-view-situation)))
- (set-keymap-parent gnus-prev-page-map (current-local-map))
- (gnus-eval-format
- gnus-prev-page-line-format nil
- `(gnus-prev t local-map ,gnus-prev-page-map
- gnus-callback gnus-article-button-prev-page
- article-type annotation
- mime-view-situation ,situation))))
- )
-
-(defvar gnus-next-page-map nil)
-(unless gnus-next-page-map
- (setq gnus-next-page-map (make-sparse-keymap))
- (define-key gnus-next-page-map gnus-mouse-2 'gnus-button-next-page)
- (define-key gnus-next-page-map "\r" 'gnus-button-next-page))
-
-(defun gnus-button-next-page ()
- "Go to the next page."
- (interactive)
- (let ((win (selected-window)))
- (select-window (get-buffer-window gnus-article-buffer t))
- (gnus-article-next-page)
- (select-window win)))
-
-(defun gnus-button-prev-page ()
- "Go to the prev page."
- (interactive)
- (let ((win (selected-window)))
- (select-window (get-buffer-window gnus-article-buffer t))
- (gnus-article-prev-page)
- (select-window win)))
-
-(static-if (featurep 'xemacs)
- (defun gnus-insert-next-page-button ()
- (let ((buffer-read-only nil))
- (gnus-eval-format gnus-next-page-line-format nil
- `(gnus-next
- t local-map ,gnus-next-page-map
- gnus-callback gnus-article-button-next-page
- article-type annotation))))
- (defun gnus-insert-next-page-button ()
- (let ((buffer-read-only nil)
- (situation (get-text-property (point-min) 'mime-view-situation)))
- (set-keymap-parent gnus-next-page-map (current-local-map))
- (gnus-eval-format gnus-next-page-line-format nil
- `(gnus-next
- t local-map ,gnus-next-page-map
- gnus-callback gnus-article-button-next-page
- article-type annotation
- mime-view-situation ,situation))))
- )
-
-(defun gnus-article-button-next-page (arg)
- "Go to the next page."
- (interactive "P")
- (let ((win (selected-window)))
- (select-window (get-buffer-window gnus-article-buffer t))
- (gnus-article-next-page)
- (select-window win)))
-
-(defun gnus-article-button-prev-page (arg)
- "Go to the prev page."
- (interactive "P")
- (let ((win (selected-window)))
- (select-window (get-buffer-window gnus-article-buffer t))
- (gnus-article-prev-page)
- (select-window win)))
-
-(defvar gnus-decode-header-methods
- '(mail-decode-encoded-word-region)
- "List of methods used to decode headers.
-
-This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
-is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
-(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
-whose names match REGEXP.
-
-For example:
-((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
- mail-decode-encoded-word-region
- (\"chinese\" . rfc1843-decode-region))
-")
-
-(defvar gnus-decode-header-methods-cache nil)
-
-(defun gnus-multi-decode-header (start end)
- "Apply the functions from `gnus-encoded-word-methods' that match."
- (unless (and gnus-decode-header-methods-cache
- (eq gnus-newsgroup-name
- (car gnus-decode-header-methods-cache)))
- (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
- (mapcar (lambda (x)
- (if (symbolp x)
- (nconc gnus-decode-header-methods-cache (list x))
- (if (and gnus-newsgroup-name
- (string-match (car x) gnus-newsgroup-name))
- (nconc gnus-decode-header-methods-cache
- (list (cdr x))))))
- gnus-decode-header-methods))
- (let ((xlist gnus-decode-header-methods-cache))
- (pop xlist)
- (save-restriction
- (narrow-to-region start end)
- (while xlist
- (funcall (pop xlist) (point-min) (point-max))))))
-
-;;;
-;;; Treatment top-level handling.
-;;;
-
-(defun gnus-treat-article (condition &optional part-number total-parts type)
- (let ((length (- (point-max) (point-min)))
- (alist gnus-treatment-function-alist)
- (article-goto-body-goes-to-point-min-p t)
- (treated-type
- (or (not type)
- (catch 'found
- (let ((list gnus-article-treat-types))
- (while list
- (when (string-match (pop list) type)
- (throw 'found t)))))))
- (highlightp (gnus-visual-p 'article-highlight 'highlight))
- (entity (static-unless (featurep 'xemacs)
- (when (eq 'head condition)
- (get-text-property (point-min) 'mime-view-entity))))
- val elem buttonized)
- (gnus-run-hooks 'gnus-part-display-hook)
- (unless gnus-inhibit-treatment
- (while (setq elem (pop alist))
- (setq val
- (save-excursion
- (if (gnus-buffer-live-p gnus-summary-buffer)
- (set-buffer gnus-summary-buffer))
- (symbol-value (car elem))))
- (when (and (or (consp val)
- treated-type)
- (gnus-treat-predicate val)
- (or (not (get (car elem) 'highlight))
- highlightp))
- (when (and (not buttonized)
- (memq (car elem)
- '(gnus-treat-hide-signature
- gnus-treat-highlight-signature)))
- (gnus-article-buttonize-signature)
- (setq buttonized t))
- (save-restriction
- (funcall (cadr elem)))))
- ;; FSF Emacsen does not inherit the existing text properties
- ;; in the new text, so we should do it for `mime-view-entity'.
- (static-unless (featurep 'xemacs)
- (when entity
- (put-text-property (point-min) (point-max)
- 'mime-view-entity entity))))))
-
-;; Dynamic variables.
-(eval-when-compile
- (defvar part-number)
- (defvar total-parts)
- (defvar type)
- (defvar condition)
- (defvar length))
-
-(defun gnus-treat-predicate (val)
- (cond
- ((null val)
- nil)
- ((and (listp val)
- (stringp (car val)))
- (apply 'gnus-or (mapcar `(lambda (s)
- (string-match s ,(or gnus-newsgroup-name "")))
- val)))
- ((listp val)
- (let ((pred (pop val)))
- (cond
- ((eq pred 'or)
- (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
- ((eq pred 'and)
- (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
- ((eq pred 'not)
- (not (gnus-treat-predicate (car val))))
- ((eq pred 'typep)
- (equal (car val) type))
- (t
- (error "%S is not a valid predicate" pred)))))
- ((eq val 'mime)
- gnus-show-mime)
- (condition
- (eq condition val))
- ((eq val t)
- t)
- ((eq val 'head)
- nil)
- ((eq val 'last)
- (eq part-number total-parts))
- ((numberp val)
- (< length val))
- (t
- (error "%S is not a valid value" val))))
-
-(defun gnus-article-encrypt-body (protocol &optional n)
- "Encrypt the article body."
- (interactive
- (list
- (or gnus-article-encrypt-protocol
- (completing-read "Encrypt protocol: "
- gnus-article-encrypt-protocol-alist
- nil t))
- current-prefix-arg))
- (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
- (unless func
- (error (format "Can't find the encrypt protocol %s" protocol)))
- (if (equal gnus-newsgroup-name "nndraft:drafts")
- (error "Can't encrypt the article in group nndraft:drafts"))
- (if (equal gnus-newsgroup-name "nndraft:queue")
- (error "Don't encrypt the article in group nndraft:queue"))
- (gnus-summary-iterate n
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (let ((mail-parse-charset gnus-newsgroup-charset)
- (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
- (summary-buffer gnus-summary-buffer)
- references point)
- (gnus-set-global-variables)
- (when (gnus-group-read-only-p)
- (error "The current newsgroup does not support article encrypt"))
- (gnus-summary-show-article t)
- (setq references
- (or (mail-header-references gnus-current-headers) ""))
- (set-buffer gnus-article-buffer)
- (let* ((buffer-read-only nil)
- (headers
- (mapcar (lambda (field)
- (and (save-restriction
- (message-narrow-to-head)
- (goto-char (point-min))
- (search-forward field nil t))
- (prog2
- (message-narrow-to-field)
- (buffer-substring (point-min) (point-max))
- (delete-region (point-min) (point-max))
- (widen))))
- '("Content-Type:" "Content-Transfer-Encoding:"
- "Content-Disposition:"))))
- (message-narrow-to-head)
- (message-remove-header "MIME-Version")
- (goto-char (point-max))
- (setq point (point))
- (insert (apply 'concat headers))
- (widen)
- (narrow-to-region point (point-max))
- (let ((message-options message-options))
- (message-options-set 'message-sender user-mail-address)
- (message-options-set 'message-recipients user-mail-address)
- (message-options-set 'message-sign-encrypt 'not)
- (funcall func))
- (goto-char (point-min))
- (insert "MIME-Version: 1.0\n")
- (widen)
- (gnus-summary-edit-article-done
- references nil summary-buffer t))
- (when gnus-keep-backlog
- (gnus-backlog-remove-article
- (car gnus-article-current) (cdr gnus-article-current)))
- (save-excursion
- (when (get-buffer gnus-original-article-buffer)
- (set-buffer gnus-original-article-buffer)
- (setq gnus-original-article nil)))
- (when gnus-use-cache
- (gnus-cache-update-article
- (car gnus-article-current) (cdr gnus-article-current))))))))
-
-(defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
- "The following specs can be used:
-%t The security MIME type
-%i Additional info
-%d Details
-%D Details if button is pressed")
-
-(defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
- "The following specs can be used:
-%t The security MIME type
-%i Additional info
-%d Details
-%D Details if button is pressed")
-
-(defvar gnus-mime-security-button-line-format-alist
- '((?t gnus-tmp-type ?s)
- (?i gnus-tmp-info ?s)
- (?d gnus-tmp-details ?s)
- (?D gnus-tmp-pressed-details ?s)))
-
-(defvar gnus-mime-security-button-map
- (let ((map (make-sparse-keymap)))
- (unless (>= (string-to-number emacs-version) 21)
- (set-keymap-parent map gnus-article-mode-map))
- (define-key map gnus-mouse-2 'gnus-article-push-button)
- (define-key map "\r" 'gnus-article-press-button)
- map))
-
-(defvar gnus-mime-security-details-buffer nil)
-
-(defvar gnus-mime-security-button-pressed nil)
-
-(defvar gnus-mime-security-show-details-inline t
- "If non-nil, show details in the article buffer.")
-
-(defun gnus-mime-security-verify-or-decrypt (handle)
- (mm-remove-parts (cdr handle))
- (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
- point buffer-read-only)
- (if region
- (goto-char (car region)))
- (save-restriction
- (narrow-to-region (point) (point))
- (with-current-buffer (mm-handle-multipart-original-buffer handle)
- (let* ((mm-verify-option 'known)
- (mm-decrypt-option 'known)
- (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
- (unless (eq nparts (cdr handle))
- (mm-destroy-parts (cdr handle))
- (setcdr handle nparts))))
- (setq point (point))
- (gnus-mime-display-security handle)
- (goto-char (point-max)))
- (when region
- (delete-region (point) (cdr region))
- (set-marker (car region) nil)
- (set-marker (cdr region) nil))
- (goto-char point)))
-
-(defun gnus-mime-security-show-details (handle)
- (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
- (if details
- (if gnus-mime-security-show-details-inline
- (let ((gnus-mime-security-button-pressed t)
- (gnus-mime-security-button-line-format
- (get-text-property (point) 'gnus-line-format))
- buffer-read-only)
- (forward-char -1)
- (while (eq (get-text-property (point) 'gnus-line-format)
- gnus-mime-security-button-line-format)
- (forward-char -1))
- (forward-char)
- (save-restriction
- (narrow-to-region (point) (point))
- (gnus-insert-mime-security-button handle))
- (delete-region (point)
- (or (text-property-not-all
- (point) (point-max)
- 'gnus-line-format
- gnus-mime-security-button-line-format)
- (point-max))))
- (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
- (with-current-buffer gnus-mime-security-details-buffer
- (erase-buffer)
- t)
- (setq gnus-mime-security-details-buffer
- (gnus-get-buffer-create "*MIME Security Details*")))
- (with-current-buffer gnus-mime-security-details-buffer
- (insert details)
- (goto-char (point-min)))
- (pop-to-buffer gnus-mime-security-details-buffer))
- (gnus-message 5 "No details."))))
-
-(defun gnus-mime-security-press-button (handle)
- (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
- (gnus-mime-security-show-details handle)
- (gnus-mime-security-verify-or-decrypt handle)))
-
-(defun gnus-insert-mime-security-button (handle &optional displayed)
- (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
- (gnus-tmp-type
- (concat
- (or (nth 2 (assoc protocol mm-verify-function-alist))
- (nth 2 (assoc protocol mm-decrypt-function-alist))
- "Unknown")
- (if (equal (car handle) "multipart/signed")
- " Signed" " Encrypted")
- " Part"))
- (gnus-tmp-info
- (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
- "Undecided"))
- (gnus-tmp-details
- (mm-handle-multipart-ctl-parameter handle 'gnus-details))
- gnus-tmp-pressed-details
- b e)
- (setq gnus-tmp-details
- (if gnus-tmp-details
- (concat "\n" gnus-tmp-details) ""))
- (setq gnus-tmp-pressed-details
- (if gnus-mime-security-button-pressed gnus-tmp-details ""))
- (unless (bolp)
- (insert "\n"))
- (setq b (point))
- (gnus-eval-format
- gnus-mime-security-button-line-format
- gnus-mime-security-button-line-format-alist
- `(keymap ,gnus-mime-security-button-map
- ,@(if (>= (string-to-number emacs-version) 21)
- nil ;; XEmacs doesn't care
- (list 'local-map gnus-mime-security-button-map))
- gnus-callback gnus-mime-security-press-button
- gnus-line-format ,gnus-mime-security-button-line-format
- article-type annotation
- gnus-data ,handle))
- (setq e (point))
- (widget-convert-button
- 'link b e
- :mime-handle handle
- :action 'gnus-widget-press-button
- :button-keymap gnus-mime-security-button-map
- :help-echo
- (lambda (widget/window &optional overlay pos)
- ;; Needed to properly clear the message due to a bug in
- ;; wid-edit (XEmacs only).
- (if (boundp 'help-echo-owns-message)
- (setq help-echo-owns-message t))
- (format
- "%S: show detail"
- (aref gnus-mouse-2 0))))))
-
-(defun gnus-mime-display-security (handle)
- (save-restriction
- (narrow-to-region (point) (point))
- (unless (gnus-unbuttonized-mime-type-p (car handle))
- (gnus-insert-mime-security-button handle))
- (gnus-mime-display-mixed (cdr handle))
- (unless (bolp)
- (insert "\n"))
- (unless (gnus-unbuttonized-mime-type-p (car handle))
- (let ((gnus-mime-security-button-line-format
- gnus-mime-security-button-end-line-format))
- (gnus-insert-mime-security-button handle)))
- (mm-set-handle-multipart-parameter
- handle 'gnus-region
- (cons (set-marker (make-marker) (point-min))
- (set-marker (make-marker) (point-max))))))
-
-
-;;; @ for mime-view
-;;;
-
-(defun gnus-article-header-presentation-method (entity situation)
- (mime-insert-header entity)
- )
-
-(set-alist 'mime-header-presentation-method-alist
- 'gnus-original-article-mode
- #'gnus-article-header-presentation-method)
-
-(defun gnus-mime-preview-quitting-method ()
- (mime-preview-kill-buffer)
- (delete-other-windows)
- (gnus-article-show-summary)
- (gnus-summary-select-article gnus-show-all-headers t))
-
-(set-alist 'mime-preview-quitting-method-alist
- 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
-
-(set-alist 'mime-preview-following-method-alist
- 'gnus-original-article-mode #'gnus-following-method)
-
-(set-alist 'mime-preview-over-to-previous-method-alist
- 'gnus-original-article-mode
- (lambda ()
- (if (> (point-min) 1)
- (gnus-article-prev-page)
- (gnus-article-read-summary-keys
- nil (gnus-character-to-event ?P)))))
-
-(set-alist 'mime-preview-over-to-next-method-alist
- 'gnus-original-article-mode'
- (lambda ()
- (if (< (point-max) (buffer-size))
- (gnus-article-next-page)
- (gnus-article-read-summary-keys
- nil (gnus-character-to-event ?N)))))
-
-
-;;; @ end
-;;;
-
-(gnus-ems-redefine)
-
-(provide 'gnus-art)
-
-(run-hooks 'gnus-art-load-hook)
-
-;;; gnus-art.el ends here