-;;; gnus-util.el --- utility functions for Gnus
+;;; gnus-util.el --- utility functions for Semi-gnus
;; Copyright (C) 1996,97,98 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
-;; Keywords: news
+;; Keywords: mail, news, MIME
;; This file is part of GNU Emacs.
(require 'nnheader)
(require 'timezone)
(require 'message)
+(eval-when-compile
+ (when (locate-library "rmail")
+ (require 'rmail)))
(eval-and-compile
(autoload 'nnmail-date-to-time "nnmail")
(set symbol nil))
symbol))
-(defun gnus-truncate-string (str width)
+;; Avoid byte-compile warning.
+;; In Mule, this function will be redefined to `truncate-string',
+;; which takes 3 or 4 args.
+(defun gnus-truncate-string (str width &rest ignore)
(substring str 0 width))
;; Added by Geoffrey T. Dairiki <dairiki@u.washington.edu>. A safe way
(progn
(set-buffer gnus-work-buffer)
(erase-buffer))
- (set-buffer (get-buffer-create gnus-work-buffer))
+ (set-buffer (gnus-get-buffer-create gnus-work-buffer))
(kill-all-local-variables)
(buffer-disable-undo (current-buffer))))
Bind `print-quoted' and `print-readably' to t while printing."
(let ((print-quoted t)
(print-readably t)
+ (print-escape-multibyte nil)
print-level print-length)
(prin1 form (current-buffer))))
;; Write the buffer.
(write-region (point-min) (point-max) file nil 'quietly))
+(defun gnus-write-buffer-as-binary (file)
+ "Write the current buffer's contents to FILE without code conversion."
+ ;; Make sure the directory exists.
+ (gnus-make-directory (file-name-directory file))
+ ;; Write the buffer.
+ (write-region-as-binary (point-min) (point-max) file nil 'quietly))
+
+(defun gnus-write-buffer-as-coding-system (coding-system file)
+ "Write the current buffer's contents to FILE with code conversion."
+ ;; Make sure the directory exists.
+ (gnus-make-directory (file-name-directory file))
+ ;; Write the buffer.
+ (write-region-as-coding-system
+ coding-system (point-min) (point-max) file nil 'quietly))
+
(defun gnus-delete-file (file)
"Delete FILE if it exists."
(when (file-exists-p file)
(save-restriction
(goto-char beg)
(while (re-search-forward "[ \t]*\n" end 'move)
- (put-text-property beg (match-beginning 0) prop val)
+ (gnus-put-text-property beg (match-beginning 0) prop val)
(setq beg (point)))
- (put-text-property beg (point) prop val)))))
-
+ (gnus-put-text-property beg (point) prop val)))))
+
+(defun gnus-put-text-property-excluding-characters-with-faces (beg end
+ prop val)
+ "The same as `put-text-property', but don't put props on characters with the `gnus-face' property."
+ (let ((b beg))
+ (while (/= b end)
+ (when (get-text-property b 'gnus-face)
+ (setq b (next-single-property-change b 'gnus-face nil end)))
+ (when (/= b end)
+ (gnus-put-text-property
+ b (setq b (next-single-property-change b 'gnus-face nil end))
+ prop val)))))
+
;;; Protected and atomic operations. dmoore@ucsd.edu 21.11.1996
;;; The primary idea here is to try to protect internal datastructures
;;; from becoming corrupted when the user hits C-g, or if a hook or
(when msg
(goto-char (point-min))
(widen)
- (search-backward "\^_")
- (narrow-to-region (point) (point-max))
- (goto-char (1+ (point-min)))
+ (search-backward "\n\^_")
+ (narrow-to-region (point) (point-max))
+ (rmail-count-new-messages t)
+ (when (rmail-summary-exists)
+ (rmail-select-summary
+ (rmail-update-summary)))
(rmail-count-new-messages t)
(rmail-show-message msg))
(save-buffer)))))
(save-excursion
(set-buffer file-buffer)
(let ((require-final-newline nil))
- (gnus-write-buffer filename)))
+ (gnus-write-buffer-as-binary filename)))
(kill-buffer file-buffer))
(error "Output file does not exist")))
(set-buffer tmpbuf)
(insert "\n"))
(insert "\n"))
(goto-char (point-max))
- (append-to-file (point-min) (point-max) filename)))
+ (write-region-as-binary (point-min) (point-max)
+ filename 'append)))
;; File has been visited, in buffer OUTBUF.
(set-buffer outbuf)
(let ((buffer-read-only nil))
(defun gnus-map-function (funs arg)
"Applies the result of the first function in FUNS to the second, and so on.
ARG is passed to the first function."
- (let ((myfuns funs)
- (myarg arg))
+ (let ((myfuns funs))
(while myfuns
(setq arg (funcall (pop myfuns) arg)))
arg))
(defvar gnus-netrc-syntax-table
(let ((table (copy-syntax-table text-mode-syntax-table)))
+ (modify-syntax-entry ?@ "w" table)
(modify-syntax-entry ?- "w" table)
(modify-syntax-entry ?_ "w" table)
(modify-syntax-entry ?! "w" table)
"password" "account" "macdef" "force"))
alist elem result pair)
(nnheader-set-temp-buffer " *netrc*")
- (set-syntax-table gnus-netrc-syntax-table)
- (insert-file-contents file)
- (goto-char (point-min))
- ;; Go through the file, line by line.
- (while (not (eobp))
- (narrow-to-region (point) (gnus-point-at-eol))
- ;; For each line, get the tokens and values.
- (while (not (eobp))
- (skip-chars-forward "\t ")
- (unless (eobp)
- (setq elem (buffer-substring
- (point) (progn (forward-sexp 1) (point))))
- (cond
- ((equal elem "macdef")
- ;; We skip past the macro definition.
+ (unwind-protect
+ (progn
+ (set-syntax-table gnus-netrc-syntax-table)
+ (insert-file-contents file)
+ (goto-char (point-min))
+ ;; Go through the file, line by line.
+ (while (not (eobp))
+ (narrow-to-region (point) (gnus-point-at-eol))
+ ;; For each line, get the tokens and values.
+ (while (not (eobp))
+ (skip-chars-forward "\t ")
+ (unless (eobp)
+ (setq elem (buffer-substring
+ (point) (progn (forward-sexp 1) (point))))
+ (cond
+ ((equal elem "macdef")
+ ;; We skip past the macro definition.
+ (widen)
+ (while (and (zerop (forward-line 1))
+ (looking-at "$")))
+ (narrow-to-region (point) (point)))
+ ((member elem tokens)
+ ;; Tokens that don't have a following value are ignored,
+ ;; except "default".
+ (when (and pair (or (cdr pair)
+ (equal (car pair) "default")))
+ (push pair alist))
+ (setq pair (list elem)))
+ (t
+ ;; Values that haven't got a preceding token are ignored.
+ (when pair
+ (setcdr pair elem)
+ (push pair alist)
+ (setq pair nil))))))
+ (if alist
+ (push (nreverse alist) result))
+ (setq alist nil
+ pair nil)
(widen)
- (while (and (zerop (forward-line 1))
- (looking-at "$")))
- (narrow-to-region (point) (point)))
- ((member elem tokens)
- ;; Tokens that don't have a following value are ignored.
- (when (and pair (cdr pair))
- (push pair alist))
- (setq pair (list elem)))
- (t
- ;; Values that haven't got a preceding token are ignored.
- (when pair
- (setcdr pair elem)
- (push pair alist)
- (setq pair nil))))))
- (push alist result)
- (setq alist nil
- pair nil)
- (widen)
- (forward-line 1))
- result))))
+ (forward-line 1))
+ (nreverse result))
+ (kill-buffer " *netrc*"))))))
(defun gnus-netrc-machine (list machine)
- "Return the netrc values from LIST for MACHINE."
- (while (and list
- (not (equal (cdr (assoc "machine" (car list))) machine)))
- (pop list))
- (when list
- (car list)))
+ "Return the netrc values from LIST for MACHINE or for the default entry."
+ (let ((rest list))
+ (while (and list
+ (not (equal (cdr (assoc "machine" (car list))) machine)))
+ (pop list))
+ (car (or list
+ (progn (while (and rest (not (assoc "default" (car rest))))
+ (pop rest))
+ rest)))))
(defun gnus-netrc-get (alist type)
"Return the value of token TYPE from ALIST."
;;; Various
+(defvar gnus-group-buffer) ; Compiler directive
(defun gnus-alive-p ()
"Say whether Gnus is running or not."
(and (boundp 'gnus-group-buffer)
"Delete elements from LIST that satisfy PREDICATE."
(let (out)
(while list
- (when (funcall predicate (car list))
+ (unless (funcall predicate (car list))
(push (car list) out))
(pop list))
(nreverse out)))
(error "Not a symbol: %s" alist))
`(setq ,alist (delq (assq ,key ,alist) ,alist)))
+(defun gnus-globalify-regexp (re)
+ "Returns a regexp that matches a whole line, iff RE matches a part of it."
+ (concat (unless (string-match "^\\^" re) "^.*")
+ re
+ (unless (string-match "\\$$" re) ".*$")))
+
(provide 'gnus-util)
;;; gnus-util.el ends here