+;;; Posting styles.
+
+(defvar gnus-message-style-insertions nil)
+
+(defun gnus-configure-posting-styles ()
+ "Configure posting styles according to `gnus-posting-styles'."
+ (unless gnus-inhibit-posting-styles
+ (let ((styles gnus-posting-styles)
+ (gnus-newsgroup-name (or gnus-newsgroup-name ""))
+ style match variable attribute value value-value)
+ (make-local-variable 'gnus-message-style-insertions)
+ ;; If the group has a posting-style parameter, add it at the end with a
+ ;; regexp matching everything, to be sure it takes precedence over all
+ ;; the others.
+ (unless (zerop (length gnus-newsgroup-name))
+ (let ((tmp-style (gnus-group-find-parameter
+ gnus-newsgroup-name 'posting-style t)))
+ (when tmp-style
+ (setq styles (append styles (list (cons ".*" tmp-style)))))))
+ ;; Go through all styles and look for matches.
+ (while styles
+ (setq style (pop styles)
+ match (pop style))
+ (when (cond
+ ((stringp match)
+ ;; Regexp string match on the group name.
+ (string-match match gnus-newsgroup-name))
+ ((or (symbolp match)
+ (gnus-functionp match))
+ (cond
+ ((gnus-functionp match)
+ ;; Function to be called.
+ (funcall match))
+ ((boundp match)
+ ;; Variable to be checked.
+ (symbol-value match))))
+ ((listp match)
+ ;; This is a form to be evaled.
+ (eval match)))
+ ;; We have a match, so we set the variables.
+ (while style
+ (setq attribute (pop style)
+ value (cadr attribute)
+ variable nil)
+ ;; We find the variable that is to be modified.
+ (if (and (not (stringp (car attribute)))
+ (not (eq 'body (car attribute)))
+ (not (setq variable
+ (cdr (assq (car attribute)
+ gnus-posting-style-alist)))))
+ (message "Couldn't find attribute %s" (car attribute))
+ ;; We get the value.
+ (setq value-value
+ (cond
+ ((stringp value)
+ value)
+ ((or (symbolp value)
+ (gnus-functionp value))
+ (cond ((gnus-functionp value)
+ (funcall value))
+ ((boundp value)
+ (symbol-value value))))
+ ((listp value)
+ (eval value))))
+ (if variable
+ ;; This is an ordinary variable.
+ (set (make-local-variable variable) value-value)
+ ;; This is either a body or a header to be inserted in the
+ ;; message.
+ (let ((attr (car attribute)))
+ (make-local-variable 'message-setup-hook)
+ (if (eq 'body attr)
+ (add-hook 'message-setup-hook
+ `(lambda ()
+ (save-excursion
+ (message-goto-body)
+ (insert ,value-value))))
+ (add-hook 'message-setup-hook
+ 'gnus-message-insert-stylings)
+ (push (cons (if (stringp attr) attr
+ (symbol-name attr))
+ value-value)
+ gnus-message-style-insertions)))))))))))
+
+(defun gnus-message-insert-stylings ()
+ (let (val)
+ (save-excursion
+ (message-goto-eoh)
+ (while (setq val (pop gnus-message-style-insertions))
+ (when (cdr val)
+ (insert (car val) ": " (cdr val) "\n"))
+ (gnus-pull (car val) gnus-message-style-insertions t)))))
+
+
+;;; @ for MIME Edit mode
+;;;
+
+(defun gnus-maybe-setup-default-charset ()
+ (let ((charset
+ (and (boundp 'gnus-summary-buffer)
+ (buffer-live-p gnus-summary-buffer)
+ (save-excursion
+ (set-buffer gnus-summary-buffer)
+ default-mime-charset))))
+ (if charset
+ (progn
+ (make-local-variable 'default-mime-charset)
+ (setq default-mime-charset charset)
+ ))))
+
+