;;; nnheader.el --- header access macros for Semi-gnus and its backends
-;; Copyright (C) 1987, 1988, 1989, 1990, 1993, 1994, 1995, 1996,
-;; 1997, 1998, 2000, 2001, 2002, 2003
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1987, 1988, 1989, 1990, 1993, 1994,
+;; 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003,
+;; 2004, 2005 Free Software Foundation, Inc.
;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;; Lars Magne Ingebrigtsen <larsi@gnus.org>
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
(eval-when-compile (require 'cl))
(eval-when-compile (require 'static))
+(defvar nnmail-extra-headers)
+
;; Requiring `gnus-util' at compile time creates a circular
;; dependency between nnheader.el and gnus-util.el.
;;(eval-when-compile (require 'gnus-util))
:group 'gnus-server
:type 'boolean)
-(defvar nnheader-max-head-length 4096
+(defvar nnheader-max-head-length 8192
"*Max length of the head of articles.
Value is an integer, nil, or t. nil means read in chunks of a file
(defvar nnheader-read-timeout
(if (string-match "windows-nt\\|os/2\\|emx\\|cygwin"
(symbol-name system-type))
- 1.0 ; why?
+ ;; http://thread.gmane.org/v9655t3pjo.fsf@marauder.physik.uni-ulm.de
+ ;;
+ ;; IIRC, values lower than 1.0 didn't/don't work on Windows/DOS.
+ ;;
+ ;; There should probably be a runtime test to determine the timing
+ ;; resolution, or a primitive to report it. I don't know off-hand
+ ;; what's possible. Perhaps better, maybe the Windows/DOS primitive
+ ;; could round up non-zero timeouts to a minimum of 1.0?
+ 1.0
0.1)
"How long nntp should wait between checking for the end of output.
Shorter values mean quicker response, but are more CPU intensive.")
(defvar nnheader-auto-save-coding-system
(cond
- ((boundp 'MULE) '*junet*)
((not (fboundp 'find-coding-system)) nil)
((find-coding-system 'emacs-mule)
(if (memq system-type '(windows-nt ms-dos ms-windows))
(autoload 'nnmail-message-id "nnmail")
(autoload 'mail-position-on-field "sendmail")
(autoload 'message-remove-header "message")
- (autoload 'gnus-point-at-eol "gnus-util")
(autoload 'gnus-buffer-live-p "gnus-util"))
;; mm-util stuff.
+(defvar mm-emacs-mule t "True in Emacs with Mule.")
+
(unless (featurep 'mm-util)
;; Should keep track of `mm-image-load-path' in mm-util.el.
(defun nnheader-image-load-path (&optional package)
(defalias 'mm-image-load-path 'nnheader-image-load-path)
;; Should keep track of `mm-read-coding-system' in mm-util.el.
- (defalias 'mm-read-coding-system
- (if (or (and (featurep 'xemacs)
- (<= (string-to-number emacs-version) 21.1))
- (boundp 'MULE))
- (lambda (prompt &optional default-coding-system)
- (read-coding-system prompt))
- 'read-coding-system))
+ (defalias 'mm-read-coding-system 'read-coding-system)
;; Should keep track of `mm-%s' in mm-util.el.
(defalias 'mm-multibyte-string-p
'ignore))
(defalias 'mm-encode-coding-string 'encode-coding-string)
(defalias 'mm-decode-coding-string 'decode-coding-string)
+ (defalias 'mm-encode-coding-region 'encode-coding-region)
+ (defalias 'mm-decode-coding-region 'decode-coding-region)
+ (defalias 'mm-set-buffer-file-coding-system 'set-buffer-file-coding-system)
;; Should keep track of `mm-detect-coding-region' in mm-util.el.
(defun nnheader-detect-coding-region (start end)
"Like 'detect-coding-region' except returning the best one."
- (let ((coding-systems
- (static-if (boundp 'MULE)
- (code-detect-region (point) (point-max))
- (detect-coding-region (point) (point-max)))))
+ (let ((coding-systems (detect-coding-region (point) (point-max))))
(or (car-safe coding-systems)
coding-systems)))
(defalias 'mm-detect-coding-region 'nnheader-detect-coding-region)
;; Should keep track of `mm-with-unibyte-buffer' in mm-util.el.
(defmacro nnheader-with-unibyte-buffer (&rest forms)
- "Create a temporary buffer, and evaluate FORMS there like `progn'.
+ "Create a temporary buffer, and evaluate FORMS there like `progn'.
Use unibyte mode for this."
- `(let (default-enable-multibyte-characters default-mc-flag)
- (with-temp-buffer ,@forms)))
+ `(let (default-enable-multibyte-characters)
+ (with-temp-buffer ,@forms)))
(put 'nnheader-with-unibyte-buffer 'lisp-indent-function 0)
(put 'nnheader-with-unibyte-buffer 'edebug-form-spec '(body))
(put 'mm-with-unibyte-buffer 'lisp-indent-function 0)
(put 'mm-with-unibyte-buffer 'edebug-form-spec '(body))
(defalias 'mm-with-unibyte-buffer 'nnheader-with-unibyte-buffer)
+ ;; Should keep track of `mm-with-multibyte-buffer' in mm-util.el.
+ (defmacro nnheader-with-multibyte-buffer (&rest forms)
+ "Create a temporary buffer, and evaluate FORMS there like `progn'.
+Use multibyte mode for this."
+ `(let ((default-enable-multibyte-characters t))
+ (with-temp-buffer ,@forms)))
+ (put 'nnheader-with-multibyte-buffer 'lisp-indent-function 0)
+ (put 'nnheader-with-multibyte-buffer 'edebug-form-spec '(body))
+ (put 'mm-with-multibyte-buffer 'lisp-indent-function 0)
+ (put 'mm-with-multibyte-buffer 'edebug-form-spec '(body))
+ (defalias 'mm-with-multibyte-buffer 'nnheader-with-multibyte-buffer)
+
;; Should keep track of `mm-with-unibyte-current-buffer' in mm-util.el.
(defmacro nnheader-with-unibyte-current-buffer (&rest forms)
"Evaluate FORMS with current current buffer temporarily made unibyte.
(cond ((featurep 'xemacs)
`(let (default-enable-multibyte-characters)
,@forms))
- ((boundp 'MULE)
- `(let ((,multibyte mc-flag)
- (,buffer (current-buffer)))
- (unwind-protect
- (let (default-enable-multibyte-characters default-mc-flag)
- (setq mc-flag nil)
- ,@forms)
- (set-buffer ,buffer)
- (setq mc-flag ,multibyte))))
(t
`(let ((,multibyte enable-multibyte-characters)
(,buffer (current-buffer)))
;; Should keep track of `mm-guess-mime-charset' in mm-util.el.
(defun nnheader-guess-mime-charset ()
- "Guess the default MIME charset from the language environment."
- (let ((language-info
- (and (boundp 'current-language-environment)
- (assoc current-language-environment
- language-info-alist)))
- item)
- (cond
- ((null language-info)
- 'iso-8859-1)
- ((setq item
- (cadr
- (or (assq 'coding-priority language-info)
- (assq 'coding-system language-info))))
- (if (fboundp 'coding-system-get)
- (or (coding-system-get item 'mime-charset)
- item)
- item))
- ((setq item (car (last (assq 'charset language-info))))
- (if (eq item 'ascii)
- 'iso-8859-1
- (charsets-to-mime-charset (list item))))
- (t
- 'iso-8859-1))))
+ "Guess the default MIME charset from the language environment."
+ (let ((language-info
+ (and (boundp 'current-language-environment)
+ (assoc current-language-environment
+ language-info-alist)))
+ item)
+ (cond
+ ((null language-info)
+ 'iso-8859-1)
+ ((setq item
+ (cadr
+ (or (assq 'coding-priority language-info)
+ (assq 'coding-system language-info))))
+ (if (fboundp 'coding-system-get)
+ (or (coding-system-get item 'mime-charset)
+ item)
+ item))
+ ((setq item (car (last (assq 'charset language-info))))
+ (if (eq item 'ascii)
+ 'iso-8859-1
+ (charsets-to-mime-charset (list item))))
+ (t
+ 'iso-8859-1))))
(defalias 'mm-guess-mime-charset 'nnheader-guess-mime-charset)
(defalias 'mm-char-int 'char-int)
(lambda nil t))
((featurep 'xemacs)
(lambda nil nil))
- ((boundp 'MULE)
- (lambda nil mc-flag))
(t
(lambda nil enable-multibyte-characters))))
"Return non-nil if SYM is a coding system."
(or (and (fboundp 'find-coding-system) (find-coding-system sym))
(and (fboundp 'coding-system-p) (coding-system-p sym))))
- (defalias 'mm-coding-system-p 'nnheader-coding-system-p))
+ (defalias 'mm-coding-system-p 'nnheader-coding-system-p)
+
+ (defalias 'mm-disable-multibyte
+ (static-if (featurep 'xemacs)
+ 'ignore
+ (lambda nil (set-buffer-multibyte nil))))
+ (defalias 'mm-enable-multibyte
+ (static-if (featurep 'xemacs)
+ 'ignore
+ ;; Why isn't it t but `to'? See mm-util.el.
+ (lambda nil (set-buffer-multibyte 'to))))
+
+ (defalias 'mm-encode-coding-region 'encode-coding-region)
+
+ (defalias 'mm-string-make-unibyte
+ (if (fboundp 'string-make-unibyte)
+ 'string-make-unibyte
+ 'identity))
+
+ (defalias 'mm-char-or-char-int-p
+ (cond
+ ((fboundp 'char-or-char-int-p) 'char-or-char-int-p)
+ ((fboundp 'char-valid-p) 'char-valid-p)
+ (t 'identity))))
;; mail-parse stuff.
(unless (featurep 'mail-parse)
(first t)
(bol (save-restriction
(widen)
- (gnus-point-at-bol))))
+ (point-at-bol))))
(while (not (eobp))
(when (and (or break qword-break)
(> (- (point) bol) 76))
(goto-char (point-min))
(let ((bol (save-restriction
(widen)
- (gnus-point-at-bol)))
- (eol (gnus-point-at-eol)))
+ (point-at-bol)))
+ (eol (point-at-eol)))
(forward-line 1)
(while (not (eobp))
(if (and (looking-at "[ \t]")
- (< (- (gnus-point-at-eol) bol) 76))
+ (< (- (point-at-eol) bol) 76))
(delete-region eol (progn
(goto-char eol)
(skip-chars-forward "\r\n")
(point)))
- (setq bol (gnus-point-at-bol)))
- (setq eol (gnus-point-at-eol))
+ (setq bol (point-at-bol)))
+ (setq eol (point-at-eol))
(forward-line 1)))))))
(unless (fboundp 'std11-unfold-field)
(mime-find-field-decoder 'From 'nov))
(defalias 'mail-header-extra 'mime-gnus-entity-extra-internal)
-(defalias 'mail-header-set-extra 'mime-gnus-entity-set-extra-internal)
+
+(defun mail-header-set-extra (header extra)
+ "Set the extra headers in HEADER to EXTRA."
+ (mime-gnus-entity-set-extra-internal header extra))
(defun nnheader-decode-field-body (field-body field-name
&optional mode max-column)
(defvar nnheader-fake-message-id 1)
-(defsubst nnheader-generate-fake-message-id ()
- (concat "fake+none+" (int-to-string (incf nnheader-fake-message-id))))
+(defsubst nnheader-generate-fake-message-id (&optional number)
+ (if (numberp number)
+ (format "fake+none+%s+%d" gnus-newsgroup-name number)
+ (format "fake+none+%s+%s"
+ gnus-newsgroup-name
+ (int-to-string (incf nnheader-fake-message-id)))))
(defsubst nnheader-fake-message-id-p (id)
(save-match-data ; regular message-id's are <.*>
- (string-match "\\`fake\\+none\\+[0-9]+\\'" id)))
+ (string-match "\\`fake\\+none\\+.*\\+[0-9]+\\'" id)))
;; Parsing headers and NOV lines.
(goto-char p)
(if (search-forward "\nmessage-id:" nil t)
(buffer-substring
- (1- (or (search-forward "<" (gnus-point-at-eol) t)
+ (1- (or (search-forward "<" (point-at-eol) t)
(point)))
- (or (search-forward ">" (gnus-point-at-eol) t) (point)))
+ (or (search-forward ">" (point-at-eol) t) (point)))
;; If there was no message-id, we just fake one to make
;; subsequent routines simpler.
- (nnheader-generate-fake-message-id)))
+ (nnheader-generate-fake-message-id number)))
;; References.
(progn
(goto-char p)
out)))
out))
-(defmacro nnheader-nov-read-message-id ()
- '(let ((id (nnheader-nov-field)))
+(defvar nnheader-uniquify-message-id nil)
+
+(defmacro nnheader-nov-read-message-id (&optional number)
+ `(let ((id (nnheader-nov-field)))
(if (string-match "^<[^>]+>$" id)
- id
- (nnheader-generate-fake-message-id))))
+ ,(if nnheader-uniquify-message-id
+ `(if (string-match "__[^@]+@" id)
+ (concat (substring id 0 (match-beginning 0))
+ (substring id (1- (match-end 0))))
+ id)
+ 'id)
+ (nnheader-generate-fake-message-id ,number))))
(defun nnheader-parse-nov ()
- (let ((eol (gnus-point-at-eol)))
+ (let* ((eol (point-at-eol))
+ (number (nnheader-nov-read-integer)))
(make-full-mail-header
- (nnheader-nov-read-integer) ; number
+ number ; number
(nnheader-nov-field) ; subject
(nnheader-nov-field) ; from
(nnheader-nov-field) ; date
- (nnheader-nov-read-message-id) ; id
+ (nnheader-nov-read-message-id number) ; id
(nnheader-nov-field) ; refs
(nnheader-nov-read-integer) ; chars
(nnheader-nov-read-integer) ; lines
(number (length articles))
(count 0)
(file-name-coding-system 'binary)
- (pathname-coding-system 'binary)
(case-fold-search t)
(cur (current-buffer))
article
;; This is invalid, but not all articles have Message-IDs.
()
(mail-position-on-field "References")
- (let ((begin (gnus-point-at-bol))
+ (let ((begin (point-at-bol))
(fill-column 78)
(fill-prefix "\t"))
(when references
(point-max)))
(goto-char (point-min)))
+(defun nnheader-get-lines-and-char ()
+ "Return the number of lines and chars in the article body."
+ (goto-char (point-min))
+ (if (not (re-search-forward "\n\r?\n" nil t))
+ (list 0 0)
+ (list (count-lines (point) (point-max))
+ (- (point-max) (point)))))
+
(defun nnheader-remove-body ()
"Remove the body from an article in this current buffer."
(goto-char (point-min))
(defsubst nnheader-file-to-number (file)
"Take a FILE name and return the article number."
(if (string= nnheader-numerical-short-files "^[0-9]+$")
- (string-to-int file)
+ (string-to-number file)
(string-match nnheader-numerical-short-files file)
- (string-to-int (match-string 0 file))))
+ (string-to-number (match-string 0 file))))
(defvar nnheader-directory-files-is-safe
(or (eq system-type 'windows-nt)
- (and (not (featurep 'xemacs))
- (> emacs-major-version 20)))
+ (not (featurep 'xemacs)))
"If non-nil, Gnus believes `directory-files' is safe.
It has been reported numerous times that `directory-files' fails with
an alarming frequency on NFS mounted file systems. If it is nil,
to advanced Emacs features, such as file-name-handlers, format decoding,
find-file-hooks, etc.
This function ensures that none of these modifications will take place."
- (let ((format-alist nil)
- (auto-mode-alist (nnheader-auto-mode-alist))
- (default-major-mode 'fundamental-mode)
- (enable-local-variables nil)
- (after-insert-file-functions nil)
- (enable-local-eval nil)
- (find-file-hooks nil))
- (insert-file-contents-as-coding-system
- nnheader-file-coding-system filename visit beg end replace)))
+ (let* ((format-alist nil)
+ (auto-mode-alist (nnheader-auto-mode-alist))
+ (default-major-mode 'fundamental-mode)
+ (enable-local-variables nil)
+ (after-insert-file-functions nil)
+ (enable-local-eval nil)
+ (ffh (if (boundp 'find-file-hook)
+ 'find-file-hook
+ 'find-file-hooks))
+ (val (symbol-value ffh)))
+ (set ffh nil)
+ (unwind-protect
+ (insert-file-contents-as-coding-system
+ nnheader-file-coding-system filename visit beg end replace)
+ (set ffh val))))
(defun nnheader-insert-nov-file (file first)
(let ((size (nth 7 (file-attributes file)))
(nnheader-insert-file-contents file)))))))
(defun nnheader-find-file-noselect (&rest args)
- (let ((format-alist nil)
- (auto-mode-alist (nnheader-auto-mode-alist))
- (default-major-mode 'fundamental-mode)
- (enable-local-variables nil)
- (after-insert-file-functions nil)
- (enable-local-eval nil)
- (find-file-hooks nil))
- (apply 'find-file-noselect-as-coding-system
- nnheader-file-coding-system args)))
+ "Open a file with some variables bound.
+See `find-file-noselect' for the arguments."
+ (let* ((format-alist nil)
+ (auto-mode-alist (nnheader-auto-mode-alist))
+ (default-major-mode 'fundamental-mode)
+ (enable-local-variables nil)
+ (after-insert-file-functions nil)
+ (enable-local-eval nil)
+ (ffh (if (boundp 'find-file-hook)
+ 'find-file-hook
+ 'find-file-hooks))
+ (val (symbol-value ffh)))
+ (set ffh nil)
+ (unwind-protect
+ (apply 'find-file-noselect-as-coding-system
+ nnheader-file-coding-system args)
+ (set ffh val))))
(defun nnheader-auto-mode-alist ()
"Return an `auto-mode-alist' with only the .gz (etc) thingies."
"Strip all \r's from the current buffer."
(nnheader-skeleton-replace "\r"))
-(defalias 'nnheader-run-at-time 'run-at-time)
(defalias 'nnheader-cancel-timer 'cancel-timer)
(defalias 'nnheader-cancel-function-timers 'cancel-function-timers)
(defalias 'nnheader-string-as-multibyte 'string-as-multibyte)
projects / elisp / gnus.git- / blobdiff