;;; gnus-util.el --- utility functions for Gnus
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;;; Code:
(require 'custom)
-(eval-when-compile (require 'cl))
+(eval-when-compile
+ (require 'cl)
+ ;; Fixme: this should be a gnus variable, not nnmail-.
+ (defvar nnmail-pathname-coding-system))
(require 'nnheader)
-(require 'message)
(require 'time-date)
(eval-and-compile
+ (autoload 'message-fetch-field "message")
(autoload 'rmail-insert-rmail-file-header "rmail")
(autoload 'rmail-count-new-messages "rmail")
(autoload 'rmail-show-message "rmail"))
(delete-char 1))
(goto-char (next-single-property-change (point) prop nil (point-max))))))
+(require 'nnheader)
(defun gnus-newsgroup-directory-form (newsgroup)
"Make hierarchical directory name from NEWSGROUP name."
- (let ((newsgroup (gnus-newsgroup-savable-name newsgroup))
- (len (length newsgroup))
- idx)
- ;; If this is a foreign group, we don't want to translate the
- ;; entire name.
- (if (setq idx (string-match ":" newsgroup))
- (aset newsgroup idx ?/)
- (setq idx 0))
- ;; Replace all occurrences of `.' with `/'.
- (while (< idx len)
- (when (= (aref newsgroup idx) ?.)
- (aset newsgroup idx ?/))
- (setq idx (1+ idx)))
- newsgroup))
+ (let* ((newsgroup (gnus-newsgroup-savable-name newsgroup))
+ (idx (string-match ":" newsgroup)))
+ (concat
+ (if idx (substring newsgroup 0 idx))
+ (if idx "/")
+ (nnheader-replace-chars-in-string
+ (if idx (substring newsgroup (1+ idx)) newsgroup)
+ ?. ?/))))
(defun gnus-newsgroup-savable-name (group)
;; Replace any slashes in a group name (eg. an ange-ftp nndoc group)
time)))))
(defsubst gnus-time-iso8601 (time)
- "Return a string of TIME in YYMMDDTHHMMSS format."
+ "Return a string of TIME in YYYYMMDDTHHMMSS format."
(format-time-string "%Y%m%dT%H%M%S" time))
(defun gnus-date-iso8601 (date)
- "Convert the DATE to YYMMDDTHHMMSS."
+ "Convert the DATE to YYYYMMDDTHHMMSS."
(condition-case ()
(gnus-time-iso8601 (gnus-date-get-time date))
(error "")))
"Return a list of Message-IDs in REFERENCES."
(let ((beg 0)
ids)
- (while (string-match "<[^>]+>" references beg)
+ (while (string-match "<[^> \t]+>" references beg)
(push (substring references (match-beginning 0) (setq beg (match-end 0)))
ids))
(nreverse ids)))
(file-name-nondirectory file))))
(copy-file file to))
-(defun gnus-kill-all-overlays ()
- "Delete all overlays in the current buffer."
- (let* ((overlayss (overlay-lists))
- (buffer-read-only nil)
- (overlays (delq nil (nconc (car overlayss) (cdr overlayss)))))
- (while overlays
- (delete-overlay (pop overlays)))))
-
(defvar gnus-work-buffer " *gnus work*")
(defun gnus-set-work-buffer ()
(defun gnus-make-directory (directory)
"Make DIRECTORY (and all its parents) if it doesn't exist."
+ (require 'nnmail)
(let ((file-name-coding-system nnmail-pathname-coding-system))
(when (and directory
(not (file-exists-p directory)))
(pop list))
(nreverse out)))
-(defun gnus-delete-alist (key alist)
- "Delete all entries in ALIST that have a key eq to KEY."
- (let (entry)
- (while (setq entry (assq key alist))
- (setq alist (delq entry alist)))
- alist))
+(if (fboundp 'assq-delete-all)
+ (defalias 'gnus-delete-alist 'assq-delete-all)
+ (defun gnus-delete-alist (key alist)
+ "Delete from ALIST all elements whose car is KEY.
+Return the modified alist."
+ (let (entry)
+ (while (setq entry (assq key alist))
+ (setq alist (delq entry alist)))
+ alist)))
(defmacro gnus-pull (key alist &optional assoc-p)
"Modify ALIST to be without KEY."
(while (search-backward "\\." nil t)
(delete-char 1)))))
+(if (fboundp 'union)
+ (defalias 'gnus-union 'union)
+ (defun gnus-union (l1 l2)
+ "Set union of lists L1 and L2."
+ (cond ((null l1) l2)
+ ((null l2) l1)
+ ((equal l1 l2) l1)
+ (t
+ (or (>= (length l1) (length l2))
+ (setq l1 (prog1 l2 (setq l2 l1))))
+ (while l2
+ (or (member (car l2) l1)
+ (push (car l2) l1))
+ (pop l2))
+ l1))))
+
+(defun gnus-add-text-properties-when
+ (property value start end properties &optional object)
+ "Like `gnus-add-text-properties', only applied on where PROPERTY is VALUE."
+ (let (point)
+ (while (and start
+ (< start end) ;; XEmacs will loop for every when start=end.
+ (setq point (text-property-not-all start end property value)))
+ (gnus-add-text-properties start point properties object)
+ (setq start (text-property-any point end property value)))
+ (if start
+ (gnus-add-text-properties start end properties object))))
+
+(defun gnus-remove-text-properties-when
+ (property value start end properties &optional object)
+ "Like `remove-text-properties', only applied on where PROPERTY is VALUE."
+ (let (point)
+ (while (and start
+ (< start end)
+ (setq point (text-property-not-all start end property value)))
+ (remove-text-properties start point properties object)
+ (setq start (text-property-any point end property value)))
+ (if start
+ (remove-text-properties start end properties object))
+ t))
+
+(defun gnus-string-equal (x y)
+ "Like `string-equal', except it compares case-insensitively."
+ (and (= (length x) (length y))
+ (or (string-equal x y)
+ (string-equal (downcase x) (downcase y)))))
+
(provide 'gnus-util)
;;; gnus-util.el ends here