-;;; gnus-util.el --- utility functions for Gnus
-;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
+;;; gnus-util.el --- utility functions for Semi-gnus
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
-;; Keywords: news
+;; Tatsuya Ichikawa <t-ichi@po.shiojiri.ne.jp>
+;; Keywords: mail, news, MIME
;; This file is part of GNU Emacs.
;;; Code:
-(require 'custom)
(eval-when-compile (require 'cl))
+(eval-when-compile (require 'static))
+
+(require 'custom)
(require 'nnheader)
(require 'message)
(require 'time-date)
"Pop to BUFFER, evaluate FORMS, and then return to the original window."
(let ((tempvar (make-symbol "GnusStartBufferWindow"))
(w (make-symbol "w"))
- (buf (make-symbol "buf")))
+ (buf (make-symbol "buf"))
+ (frame (make-symbol "frame")))
`(let* ((,tempvar (selected-window))
(,buf ,buffer)
- (,w (get-buffer-window ,buf 'visible)))
+ (,w (get-buffer-window ,buf 'visible))
+ ,frame)
(unwind-protect
(progn
(if ,w
(set-buffer (window-buffer ,w)))
(pop-to-buffer ,buf))
,@forms)
- (select-window ,tempvar)))))
+ (setq ,frame (selected-frame))
+ (select-window ,tempvar)
+ (select-frame ,frame)))))
(put 'gnus-eval-in-buffer-window 'lisp-indent-function 1)
(put 'gnus-eval-in-buffer-window 'edebug-form-spec '(form body))
(set symbol nil))
symbol))
+;; 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
;; to limit the length of a string. This function is necessary since
;; `(substr "abc" 0 30)' pukes with "Args out of range".
(when (gnus-buffer-exists-p buf)
(kill-buffer buf))))
-(fset 'gnus-point-at-bol
- (if (fboundp 'point-at-bol)
- 'point-at-bol
- 'line-beginning-position))
-
-(fset 'gnus-point-at-eol
- (if (fboundp 'point-at-eol)
- 'point-at-eol
- 'line-end-position))
+(static-cond
+ ((fboundp 'point-at-bol)
+ (defalias 'gnus-point-at-bol 'point-at-bol))
+ ((fboundp 'line-beginning-position)
+ (defalias 'gnus-point-at-bol 'line-beginning-position))
+ (t
+ (defun gnus-point-at-bol ()
+ "Return point at the beginning of the line."
+ (let ((p (point)))
+ (beginning-of-line)
+ (prog1
+ (point)
+ (goto-char p))))
+ ))
+(static-cond
+ ((fboundp 'point-at-eol)
+ (defalias 'gnus-point-at-eol 'point-at-eol))
+ ((fboundp 'line-end-position)
+ (defalias 'gnus-point-at-eol 'line-end-position))
+ (t
+ (defun gnus-point-at-eol ()
+ "Return point at the end of the line."
+ (let ((p (point)))
+ (end-of-line)
+ (prog1
+ (point)
+ (goto-char p))))
+ ))
(defun gnus-delete-first (elt list)
"Delete by side effect the first occurrence of ELT as a member of LIST."
(and (string-match "(.*" from)
(setq name (substring from (1+ (match-beginning 0))
(match-end 0)))))
- ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
- (list (or name from) (or address from))))
+ (list (if (string= name "") nil name) (or address from))))
+
(defun gnus-fetch-field (field)
"Return the value of the header FIELD of current article."
(defun gnus-dd-mmm (messy-date)
"Return a string like DD-MMM from a big messy string."
- (format-time-string "%d-%b" (safe-date-to-time messy-date)))
+ (condition-case ()
+ (format-time-string "%d-%b" (safe-date-to-time messy-date))
+ (error " - ")))
(defmacro gnus-date-get-time (date)
"Convert DATE string to Emacs time.
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 "")))
(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 ()
(set-buffer gnus-work-buffer)
(erase-buffer))
(set-buffer (gnus-get-buffer-create gnus-work-buffer))
- (kill-all-local-variables)
- (mm-enable-multibyte)))
+ (kill-all-local-variables)))
(defmacro gnus-group-real-name (group)
"Find the real name of a foreign newsgroup."
first 't2
last 't1))
((gnus-functionp function)
+ ;; Do nothing.
)
(t
(error "Invalid sort spec: %s" function))))
(defun gnus-make-directory (directory)
"Make DIRECTORY (and all its parents) if it doesn't exist."
- (when (and directory
- (not (file-exists-p directory)))
- (make-directory directory t))
+ (let ((file-name-coding-system nnmail-pathname-coding-system)
+ (pathname-coding-system nnmail-pathname-coding-system))
+ (when (and directory
+ (not (file-exists-p directory)))
+ (make-directory directory t)))
t)
(defun gnus-write-buffer (file)
"Write the current buffer's contents to FILE."
;; Make sure the directory exists.
(gnus-make-directory (file-name-directory file))
+ (let ((file-name-coding-system nnmail-pathname-coding-system)
+ (pathname-coding-system nnmail-pathname-coding-system))
+ ;; 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 (point-min) (point-max) file nil 'quietly))
+ (write-region-as-coding-system
+ coding-system (point-min) (point-max) file nil 'quietly))
(defun gnus-delete-file (file)
"Delete FILE if it exists."
(save-excursion
(save-restriction
(goto-char beg)
- (while (re-search-forward "[ \t]*\n" end 'move)
+ (while (re-search-forward gnus-emphasize-whitespace-regexp end 'move)
(gnus-put-text-property beg (match-beginning 0) prop val)
(setq beg (point)))
(gnus-put-text-property beg (point) prop val)))))
(set-buffer file-buffer)
(rmail-insert-rmail-file-header)
(let ((require-final-newline nil))
- (gnus-write-buffer filename)))
+ (gnus-write-buffer-as-coding-system
+ nnheader-text-coding-system filename)))
(kill-buffer file-buffer))
(error "Output file does not exist")))
(set-buffer tmpbuf)
;; Decide whether to append to a file or to an Emacs buffer.
(let ((outbuf (get-file-buffer filename)))
(if (not outbuf)
- (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)
(save-excursion
(set-buffer file-buffer)
(let ((require-final-newline nil))
- (gnus-write-buffer filename)))
+ (gnus-write-buffer-as-coding-system
+ nnheader-text-coding-system 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))
(when (file-exists-p file)
(with-temp-buffer
(let ((tokens '("machine" "default" "login"
- "password" "account" "macdef" "force"))
+ "password" "account" "macdef" "force"
+ "port"))
alist elem result pair)
(insert-file-contents file)
(goto-char (point-min))
(if (eq (char-after) ?#)
(goto-char (point-max))
(unless (eobp)
- (setq elem (buffer-substring
- (point) (progn (skip-chars-forward "^\t ")
- (point))))
+ (setq elem
+ (if (= (following-char) ?\")
+ (read (current-buffer))
+ (buffer-substring
+ (point) (progn (skip-chars-forward "^\t ")
+ (point)))))
(cond
((equal elem "macdef")
;; We skip past the macro definition.
(forward-line 1))
(nreverse result)))))
-(defun gnus-netrc-machine (list machine)
- "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)))
+(defun gnus-netrc-machine (list machine &optional port defaultport)
+ "Return the netrc values from LIST for MACHINE or for the default entry.
+If PORT specified, only return entries with matching port tokens.
+Entries without port tokens default to DEFAULTPORT."
+ (let ((rest list)
+ result)
+ (while list
+ (when (equal (cdr (assoc "machine" (car list))) machine)
+ (push (car list) result))
(pop list))
- (car (or list
- (progn (while (and rest (not (assoc "default" (car rest))))
- (pop rest))
- rest)))))
+ (unless result
+ ;; No machine name matches, so we look for default entries.
+ (while rest
+ (when (assoc "default" (car rest))
+ (push (car rest) result))
+ (pop rest)))
+ (when result
+ (setq result (nreverse result))
+ (while (and result
+ (not (equal (or port defaultport "nntp")
+ (or (gnus-netrc-get (car result) "port")
+ defaultport "nntp"))))
+ (pop result))
+ (car result))))
(defun gnus-netrc-get (alist type)
"Return the value of token TYPE from ALIST."
(throw 'found nil)))
t))
-(defun gnus-write-active-file (file hashtb)
- (with-temp-file file
- (mapatoms
- (lambda (sym)
- (when (and sym
- (boundp sym)
- (symbol-value sym))
- (insert (format "%s %d %d y\n"
- (gnus-group-real-name (symbol-name sym))
- (cdr (symbol-value sym))
- (car (symbol-value sym))))))
- hashtb)))
+(defun gnus-write-active-file (file hashtb &optional full-names)
+ (let ((output-coding-system nnmail-active-file-coding-system)
+ (coding-system-for-write nnmail-active-file-coding-system))
+ (with-temp-file file
+ (mapatoms
+ (lambda (sym)
+ (when (and sym
+ (boundp sym)
+ (symbol-value sym))
+ (insert (format "%S %d %d y\n"
+ (if full-names
+ sym
+ (intern (gnus-group-real-name (symbol-name sym))))
+ (or (cdr (symbol-value sym))
+ (car (symbol-value sym)))
+ (car (symbol-value sym))))))
+ hashtb)
+ (goto-char (point-max))
+ (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
+ (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
+ (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))))
(provide 'gnus-util)
projects / elisp / gnus.git- / blobdiff