X-Git-Url: http://cgit.sxemacs.org/?p=gnus;a=blobdiff_plain;f=lisp%2Fnnheader.el;h=cd43016014eede42be48bacc7432f1ebf69f5680;hp=063582503c4a9d9cc774b96e91b9839540b43977;hb=b8d320e51cd2b549ab453682da8b00119e051c3d;hpb=ed5580a103803bd8880b5ff7b461bc2395f9fc89 diff --git a/lisp/nnheader.el b/lisp/nnheader.el index 063582503..cd4301601 100644 --- a/lisp/nnheader.el +++ b/lisp/nnheader.el @@ -1,8 +1,7 @@ ;;; nnheader.el --- header access macros for 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) 1987-1990, 1993-1998, 2000-2016 Free Software +;; Foundation, Inc. ;; Author: Masanobu UMEDA ;; Lars Magne Ingebrigtsen @@ -10,10 +9,10 @@ ;; This file is part of GNU Emacs. -;; GNU Emacs is free software; you can redistribute it and/or modify +;; GNU Emacs is free software: you can redistribute it and/or modify ;; it under the terms of the GNU General Public License as published by -;; the Free Software Foundation; either version 2, or (at your option) -;; any later version. +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. ;; GNU Emacs is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -21,9 +20,7 @@ ;; GNU General Public License for more details. ;; 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. +;; along with GNU Emacs. If not, see . ;;; Commentary: @@ -31,6 +28,11 @@ (eval-when-compile (require 'cl)) +(defvar nnmail-extra-headers) +(defvar gnus-newsgroup-name) +(defvar nnheader-file-coding-system) +(defvar jka-compr-compression-info-list) + ;; Requiring `gnus-util' at compile time creates a circular ;; dependency between nnheader.el and gnus-util.el. ;;(eval-when-compile (require 'gnus-util)) @@ -38,11 +40,13 @@ (require 'mail-utils) (require 'mm-util) (require 'gnus-util) -(eval-and-compile - (autoload 'gnus-sorted-intersection "gnus-range") - (autoload 'gnus-intersection "gnus-range") - (autoload 'gnus-sorted-complement "gnus-range") - (autoload 'gnus-sorted-difference "gnus-range")) +(autoload 'gnus-range-add "gnus-range") +(autoload 'gnus-remove-from-range "gnus-range") +;; FIXME none of these are used explicitly in this file. +(autoload 'gnus-sorted-intersection "gnus-range") +(autoload 'gnus-intersection "gnus-range") +(autoload 'gnus-sorted-complement "gnus-range") +(autoload 'gnus-sorted-difference "gnus-range") (defcustom gnus-verbose-backends 7 "Integer that says how verbose the Gnus backends should be. @@ -58,11 +62,11 @@ they will keep on jabbering all the time." :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 -indefinitely until a complete head is found\; t means always read the +indefinitely until a complete head is found; t means always read the entire file immediately, disregarding `nnheader-head-chop-length'. Integer values will in effect be rounded up to the nearest multiple of @@ -72,17 +76,32 @@ Integer values will in effect be rounded up to the nearest multiple of "*Length of each read operation when trying to fetch HEAD headers.") (defvar nnheader-read-timeout - (if (string-match "windows-nt\\|os/2\\|emx\\|cygwin" + (if (string-match "windows-nt\\|os/2\\|cygwin" (symbol-name system-type)) - 1.0 ; why? - 0.1) + ;; 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 + ;; 2008-05-19 change by Larsi: + ;; Change the default timeout from 0.1 seconds to 0.01 seconds. This will + ;; make nntp and pop3 article retrieval faster in some cases, but might + ;; make CPU usage larger. If this has any bad side effects, we might + ;; revert this change. + 0.01) + ;; When changing this variable, consider changing `pop3-read-timeout' as + ;; well. "How long nntp should wait between checking for the end of output. Shorter values mean quicker response, but are more CPU intensive.") (defvar nnheader-file-name-translation-alist (let ((case-fold-search t)) (cond - ((string-match "windows-nt\\|os/2\\|emx\\|cygwin" + ((string-match "windows-nt\\|os/2\\|cygwin" (symbol-name system-type)) (append (mapcar (lambda (c) (cons c ?_)) '(?: ?* ?\" ?< ?> ??)) @@ -95,17 +114,15 @@ Shorter values mean quicker response, but are more CPU intensive.") For instance, if \":\" is invalid as a file character in file names on your system, you could say something like: -\(setq nnheader-file-name-translation-alist '((?: . ?_)))") +\(setq nnheader-file-name-translation-alist \\='((?: . ?_)))") (defvar nnheader-directory-separator-character (string-to-char (substring (file-name-as-directory ".") -1)) "*A character used to a directory separator.") -(eval-and-compile - (autoload 'nnmail-message-id "nnmail") - (autoload 'mail-position-on-field "sendmail") - (autoload 'message-remove-header "message") - (autoload 'gnus-buffer-live-p "gnus-util")) +(autoload 'nnmail-message-id "nnmail") +(autoload 'mail-position-on-field "sendmail") +(autoload 'gnus-buffer-live-p "gnus-util") ;;; Header access macros. @@ -198,9 +215,9 @@ on your system, you could say something like: "Return the extra headers in HEADER." `(aref ,header 9)) -(defmacro mail-header-set-extra (header extra) +(defun mail-header-set-extra (header extra) "Set the extra headers in HEADER to EXTRA." - `(aset ,header 9 ',extra)) + (aset header 9 extra)) (defsubst make-mail-header (&optional init) "Create a new mail header structure initialized with INIT." @@ -238,6 +255,8 @@ on your system, you could say something like: (skip-chars-forward " \t") (buffer-substring (point) (point-at-eol))) +(autoload 'ietf-drums-unfold-fws "ietf-drums") + (defun nnheader-parse-naked-head (&optional number) ;; This function unfolds continuation lines in this buffer ;; destructively. When this side effect is unwanted, use @@ -345,15 +364,13 @@ on your system, you could say something like: (setq num 0 beg (point-min) end (point-max)) - (goto-char (point-min)) ;; Search to the beginning of the next header. Error ;; messages do not begin with 2 or 3. (when (re-search-forward "^[23][0-9]+ " nil t) - (end-of-line) (setq num (read cur) beg (point) end (if (search-forward "\n.\n" nil t) - (- (point) 2) + (goto-char (- (point) 2)) (point))))) (with-temp-buffer (insert-buffer-substring cur beg end) @@ -385,10 +402,18 @@ on your system, you could say something like: out))) out)) +(eval-and-compile + (defvar nnheader-uniquify-message-id nil)) + (defmacro nnheader-nov-read-message-id (&optional number) `(let ((id (nnheader-nov-field))) (if (string-match "^<[^>]+>$" id) - 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 () @@ -435,7 +460,7 @@ on your system, you could say something like: (let ((extra (mail-header-extra header))) (while extra (insert (symbol-name (caar extra)) - ": " (cdar extra) "\t") + ": " (if (stringp (cdar extra)) (cdar extra) "") "\t") (pop extra)))) (insert "\n") (backward-char 1) @@ -542,19 +567,16 @@ the line could be found." (defvar nntp-server-buffer nil) (defvar nntp-process-response nil) -(defvar news-reply-yank-from nil) -(defvar news-reply-yank-message-id nil) (defvar nnheader-callback-function nil) (defun nnheader-init-server-buffer () "Initialize the Gnus-backend communication buffer." - (save-excursion - (unless (gnus-buffer-live-p nntp-server-buffer) - (setq nntp-server-buffer (get-buffer-create " *nntpd*"))) - (set-buffer nntp-server-buffer) - (mm-enable-multibyte) + (unless (gnus-buffer-live-p nntp-server-buffer) + (setq nntp-server-buffer (get-buffer-create " *nntpd*"))) + (with-current-buffer nntp-server-buffer (erase-buffer) + (mm-enable-multibyte) (kill-all-local-variables) (setq case-fold-search t) ;Should ignore case. (set (make-local-variable 'nntp-process-response) nil) @@ -580,17 +602,27 @@ the line could be found." (if (eq nnheader-max-head-length t) ;; Just read the entire file. (nnheader-insert-file-contents file) - ;; Read 1K blocks until we find a separator. + ;; Read blocks of the size specified by `nnheader-head-chop-length' + ;; until we find a separator. (let ((beg 0) - format-alist) + (start (point)) + ;; Use `binary' to prevent the contents from being decoded, + ;; or it will change the number of characters that + ;; `insert-file-contents' returns. + (coding-system-for-read 'binary)) (while (and (eq nnheader-head-chop-length - (nth 1 (nnheader-insert-file-contents + (nth 1 (mm-insert-file-contents file nil beg (incf beg nnheader-head-chop-length)))) - (prog1 (not (search-forward "\n\n" nil t)) + ;; CRLF or CR might be used for the line-break code. + (prog1 (not (re-search-forward "\n\r?\n\\|\r\r" nil t)) (goto-char (point-max))) (or (null nnheader-max-head-length) - (< beg nnheader-max-head-length)))))) + (< beg nnheader-max-head-length)))) + ;; Finally decode the contents. + (when (mm-coding-system-p nnheader-file-coding-system) + (mm-decode-coding-region start (point-max) + nnheader-file-coding-system)))) t)) (defun nnheader-article-p () @@ -626,8 +658,12 @@ the line could be found." ;; without inserting extra newline. (fill-region-as-paragraph begin (1+ (point)))))) +(declare-function message-remove-header "message" + (header &optional is-regexp first reverse)) + (defun nnheader-replace-header (header new-value) "Remove HEADER and insert the NEW-VALUE." + (require 'message) (save-excursion (save-restriction (nnheader-narrow-to-headers) @@ -668,7 +704,6 @@ the line could be found." (erase-buffer)) (current-buffer)) -(eval-when-compile (defvar jka-compr-compression-info-list)) (defvar nnheader-numerical-files (if (boundp 'jka-compr-compression-info-list) (concat "\\([0-9]+\\)\\(" @@ -687,9 +722,9 @@ the line could be found." (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) @@ -746,8 +781,7 @@ If FULL, translate everything." ;; We translate -- but only the file name. We leave the directory ;; alone. (if (and (featurep 'xemacs) - (memq system-type '(cygwin32 win32 w32 mswindows windows-nt - cygwin))) + (memq system-type '(windows-nt cygwin))) ;; This is needed on NT and stuff, because ;; file-name-nondirectory is not enough to split ;; file names, containing ':', e.g. @@ -785,19 +819,22 @@ The first string in ARGS can be a format string." (apply 'format args))) nil) -(defun nnheader-get-report (backend) +(defun nnheader-get-report-string (backend) "Get the most recent report from BACKEND." (condition-case () - (nnheader-message 5 "%s" (symbol-value (intern (format "%s-status-string" - backend)))) - (error (nnheader-message 5 "")))) + (format "%s" (symbol-value (intern (format "%s-status-string" + backend)))) + (error ""))) + +(defun nnheader-get-report (backend) + "Get the most recent report from BACKEND." + (nnheader-message 5 (nnheader-get-report-string backend))) (defun nnheader-insert (format &rest args) "Clear the communication buffer and insert FORMAT and ARGS into the buffer. If FORMAT isn't a format string, it and all ARGS will be inserted without formatting." - (save-excursion - (set-buffer nntp-server-buffer) + (with-current-buffer nntp-server-buffer (erase-buffer) (if (string-match "%" format) (insert (apply 'format format args)) @@ -839,7 +876,9 @@ without formatting." "Message if the Gnus backends are talkative." (if (or (not (numberp gnus-verbose-backends)) (<= level gnus-verbose-backends)) - (apply 'message args) + (if gnus-add-timestamp-to-message + (apply 'gnus-message-with-timestamp args) + (apply 'message args)) (apply 'format args))) (defun nnheader-be-verbose (level) @@ -909,9 +948,8 @@ first. Otherwise, find the newest one, though it may take a time." (car results) (car (sort results 'file-newer-than-file-p))))) -(eval-when-compile - (defvar ange-ftp-path-format) - (defvar efs-path-regexp)) +(defvar ange-ftp-path-format) +(defvar efs-path-regexp) (defun nnheader-re-read-dir (path) "Re-read directory PATH if PATH is on a remote system." (if (and (fboundp 'efs-re-read-dir) (boundp 'efs-path-regexp)) @@ -954,15 +992,24 @@ find-file-hooks, etc. (nnheader-insert-file-contents file))))))) (defun nnheader-find-file-noselect (&rest args) - (let ((format-alist nil) - (auto-mode-alist (mm-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) - (coding-system-for-read nnheader-file-coding-system)) - (apply 'find-file-noselect args))) + "Open a file with some variables bound. +See `find-file-noselect' for the arguments." + (letf* ((format-alist nil) + (auto-mode-alist (mm-auto-mode-alist)) + ((default-value 'major-mode) 'fundamental-mode) + (enable-local-variables nil) + (after-insert-file-functions nil) + (enable-local-eval nil) + (coding-system-for-read nnheader-file-coding-system) + (version-control 'never) + (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 args) + (set ffh val)))) (defun nnheader-directory-regular-files (dir) "Return a list of all regular files in DIR." @@ -1018,8 +1065,9 @@ find-file-hooks, etc. (defalias 'nnheader-cancel-timer 'cancel-timer) (defalias 'nnheader-cancel-function-timers 'cancel-function-timers) -(defalias 'nnheader-string-as-multibyte 'string-as-multibyte) +;; When changing this function, consider changing `pop3-accept-process-output' +;; as well. (defun nnheader-accept-process-output (process) (accept-process-output process @@ -1028,6 +1076,46 @@ find-file-hooks, etc. (truncate nnheader-read-timeout)) 1000)))) +(defun nnheader-update-marks-actions (backend-marks actions) + (dolist (action actions) + (let ((range (nth 0 action)) + (what (nth 1 action)) + (marks (nth 2 action))) + (dolist (mark marks) + (setq backend-marks + (gnus-update-alist-soft + mark + (cond + ((eq what 'add) + (gnus-range-add (cdr (assoc mark backend-marks)) range)) + ((eq what 'del) + (gnus-remove-from-range + (cdr (assoc mark backend-marks)) range)) + ((eq what 'set) + range)) + backend-marks))))) + backend-marks) + +(defmacro nnheader-insert-buffer-substring (buffer &optional start end) + "Copy string from unibyte buffer to multibyte current buffer." + (if (featurep 'xemacs) + `(insert-buffer-substring ,buffer ,start ,end) + `(if enable-multibyte-characters + (insert (with-current-buffer ,buffer + (mm-string-to-multibyte + ,(if (or start end) + `(buffer-substring (or ,start (point-min)) + (or ,end (point-max))) + '(buffer-string))))) + (insert-buffer-substring ,buffer ,start ,end)))) + +(defvar nnheader-last-message-time '(0 0)) +(defun nnheader-message-maybe (&rest args) + (let ((now (current-time))) + (when (> (float-time (time-subtract now nnheader-last-message-time)) 1) + (setq nnheader-last-message-time now) + (apply 'nnheader-message args)))) + (when (featurep 'xemacs) (require 'nnheaderxm)) @@ -1035,5 +1123,4 @@ find-file-hooks, etc. (provide 'nnheader) -;;; arch-tag: a9c4b7d9-52ae-4ec9-b196-dfd93124d202 ;;; nnheader.el ends here