;;; gnus-art.el --- article mode commands for Gnus
-;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(eval-when-compile (require 'cl))
-(require 'custom)
(require 'gnus)
(require 'gnus-sum)
(require 'gnus-spec)
(require 'gnus-int)
-(require 'browse-url)
(require 'mm-bodies)
(require 'mail-parse)
(require 'mm-decode)
"^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-Notes-Item:" "^X-MS-TNEF-Correlator:" "^x-uunet-gateway:"
+ "^X-Received:" "^Content-length:" "X-precedence:")
"*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."
(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 "Very long To header." long-to)
- (const :tag "Multiple To headers." many-to))
+ (const :tag "Very long To and/or Cc header." long-to)
+ (const :tag "Multiple To and/or Cc headers." many-to))
:group 'gnus-article-hiding)
(defcustom gnus-signature-separator '("^-- $" "^-- *$")
:group 'gnus-article-signature)
(defcustom gnus-signature-limit nil
- "Provide a limit to what is considered a signature.
+ "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
: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
- "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | display -"
+ (if (and (fboundp 'image-type-available-p)
+ (image-type-available-p 'xbm))
+ 'gnus-article-display-xface
+ "{ 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 'string ;Leave function case to Lisp.
+ :type '(choice string
+ (function-item gnus-article-display-xface)
+ function)
:group 'gnus-article-washing)
(defcustom gnus-article-x-face-too-ugly nil
:type '(choice regexp (const nil))
:group 'gnus-article-washing)
+(defcustom gnus-article-banner-alist nil
+ "Banner alist for stripping.
+For example,
+ ((egroups . \"^[ \\t\\n]*-------------------+\\\\( eGroups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
+ :type '(repeat (cons symbol regexp))
+ :group 'gnus-article-washing)
+
(defcustom gnus-emphasis-alist
(let ((format
- "\\(\\s-\\|^\\|[-\"]\\|\\s(\\|\\s)\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-?!.,;:\"]\\|\\s(\\|\\s)\\)")
+ "\\(\\s-\\|^\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-,;:\"]\\s-\\|[?!.]+\\s-\\|\\s)\\)")
(types
'(("_" "_" underline)
("/" "/" italic)
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."
+ :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)
:group 'gnus-article-emphasis)
(defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
- "Face used for displaying underlined italic emphasized text (_*word*_)."
+ "Face used for displaying underlined italic emphasized text (_/word/_)."
:group 'gnus-article-emphasis)
(defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
("\223" "``")
("\224" "\"")
("\225" "*")
- ("\226" "---")
- ("\227" "-")
+ ("\226" "-")
+ ("\227" "--")
("\231" "(TM)")
("\233" ">")
("\234" "oe")
: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."
+ :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)
+ ("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."
+ :group 'gnus-article-mime
+ :type '(repeat (cons (string :tag "name")
+ (function))))
+
;;;
;;; The treatment variables
;;;
:type gnus-article-treat-custom)
(put 'gnus-treat-highlight-signature 'highlight t)
-(defcustom gnus-treat-buttonize 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."
:type gnus-article-treat-head-custom)
(put 'gnus-treat-buttonize-head 'highlight t)
-(defcustom gnus-treat-emphasize t
+(defcustom gnus-treat-emphasize 50000
"Emphasize text.
Valid values are nil, t, `head', `last', an integer or a predicate.
See the manual for details."
:type gnus-article-treat-custom)
(put 'gnus-treat-overstrike 'highlight t)
-(defcustom gnus-treat-display-xface (if (and gnus-xemacs (featurep 'xface))
- 'head nil)
+(defcustom gnus-treat-display-xface
+ (and (or (and (fboundp 'image-type-available-p)
+ (image-type-available-p 'xbm))
+ (and (featurep 'xemacs) (featurep 'xface)))
+ 'head)
"Display X-Face headers.
Valid values are nil, t, `head', `last', an integer or a predicate.
See the manual for details."
:type gnus-article-treat-head-custom)
(put 'gnus-treat-display-xface 'highlight t)
-(defcustom gnus-treat-display-smileys (if (and gnus-xemacs
- (featurep 'xpm))
- t nil)
+(defcustom gnus-treat-display-smileys
+ (if (or (and (featurep 'xemacs)
+ (featurep 'xpm))
+ (and (fboundp 'image-type-available-p)
+ (image-type-available-p 'pbm)))
+ t nil)
"Display smileys.
Valid values are nil, t, `head', `last', an integer or a predicate.
See the manual for details."
:type gnus-article-treat-custom)
(put 'gnus-treat-display-smileys 'highlight t)
-(defcustom gnus-treat-display-picons (if gnus-xemacs 'head nil)
+(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."
(gnus-treat-overstrike gnus-article-treat-overstrike)
(gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
(gnus-treat-display-smileys gnus-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)))
4))
(gnus-article-hide-header "date"))))
((eq elem 'long-to)
- (let ((to (message-fetch-field "to")))
+ (let ((to (message-fetch-field "to"))
+ (cc (message-fetch-field "cc")))
(when (> (length to) 1024)
- (gnus-article-hide-header "to"))))
+ (gnus-article-hide-header "to"))
+ (when (> (length cc) 1024)
+ (gnus-article-hide-header "cc"))))
((eq elem 'many-to)
- (let ((to-count 0))
+ (let ((to-count 0)
+ (cc-count 0))
(goto-char (point-min))
(while (re-search-forward "^to:" nil t)
(setq to-count (1+ to-count)))
(forward-line -1)
(narrow-to-region (point) (point-max))
(gnus-article-hide-header "to"))
- (setq to-count (1- to-count)))))))))))))
+ (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
"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)
- (let* ((inhibit-point-motion-hooks t)
- (case-fold-search t)
- (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))))
- (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))
- buffer-read-only)
- (if (and ctl (not (string-match "/" (car ctl))))
- (setq ctl nil))
- (goto-char (point-max))
- (widen)
- (forward-line 1)
- (narrow-to-region (point) (point-max))
- (when (and (or (not ctl)
- (equal (car ctl) "text/plain"))
- (not (mm-uu-test)))
- (mm-decode-body
- charset (and cte (intern (downcase
- (gnus-strip-whitespace cte))))
- (car ctl)))))))
+ (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 ((inhibit-point-motion-hooks t)
(mail-parse-charset gnus-newsgroup-charset)
(mail-parse-ignored-charsets
- (save-excursion (set-buffer gnus-summary-buffer)
+ (save-excursion (condition-case nil
+ (set-buffer gnus-summary-buffer)
+ (error))
gnus-newsgroup-ignored-charsets))
buffer-read-only)
(save-restriction
or not."
(interactive (list 'force))
(save-excursion
- (let ((buffer-read-only nil)
- (type (gnus-fetch-field "content-transfer-encoding"))
- (charset gnus-newsgroup-charset))
+ (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)))))))
+ (unless charset
+ (setq charset gnus-newsgroup-charset))
(when (or force
- (and type (string-match "quoted-printable" (downcase type))))
+ (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)
+ "Translate a base64 article.
+If FORCE, decode the article whether it is marked as base64 not."
+ (interactive (list 'force))
+ (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)))))))
+ (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 ()
+ "Format an html article."
+ (interactive)
+ (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)))))))
+ (unless charset
+ (setq charset gnus-newsgroup-charset))
+ (article-goto-body)
+ (save-window-excursion
(save-restriction
(narrow-to-region (point) (point-max))
- (quoted-printable-decode-region (point-min) (point-max))
- (when charset
- (mm-decode-body charset)))))))
+ (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 any list identifiers in `gnus-list-identifiers' from Subject
-header in the current article."
+ "Remove list identifies from the Subject header.
+The `gnus-list-identifiers' variable specifies what to do."
(interactive)
(save-excursion
(save-restriction
(when regexp
(goto-char (point-min))
(when (re-search-forward
- (concat "^Subject: +\\(Re: +\\)?\\(" regexp " *\\)")
+ (concat "^Subject: +\\(\\(\\(Re: +\\)?\\(" regexp
+ " *\\)\\)+\\(Re: +\\)?\\)")
nil t)
- (delete-region (match-beginning 2) (match-end 0)))))))))
+ (let ((s (or (match-string 3) (match-string 5))))
+ (delete-region (match-beginning 1) (match-end 1))
+ (when s
+ (goto-char (match-beginning 1))
+ (insert s))))))))))
(defun article-hide-pgp ()
"Remove any PGP headers and signatures in the current article."