;;; nnspool.el --- spool access for GNU Emacs
-;; Copyright (C) 1988,89,90,93,94,95 Free Software Foundation, Inc.
+
+;; Copyright (C) 1988, 1989, 1990, 1993, 1994, 1995, 1996, 1997, 1998,
+;; 2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
-;; Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; This file is part of GNU Emacs.
;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
(require 'nnheader)
(require 'nntp)
-(require 'timezone)
+(require 'nnoo)
+(eval-when-compile (require 'cl))
+
+(nnoo-declare nnspool)
-(defvar nnspool-inews-program news-inews-program
+(defvoo nnspool-inews-program news-inews-program
"Program to post news.
This is most commonly `inews' or `injnews'.")
-(defvar nnspool-inews-switches '("-h")
+(defvoo nnspool-inews-switches '("-h" "-S")
"Switches for nnspool-request-post to pass to `inews' for posting news.
If you are using Cnews, you probably should set this variable to nil.")
-(defvar nnspool-spool-directory news-path
+(defvoo nnspool-spool-directory
+ (file-name-as-directory (if (boundp 'news-directory)
+ (symbol-value 'news-directory)
+ news-path))
"Local news spool directory.")
-(defvar nnspool-nov-directory (concat nnspool-spool-directory "over.view/")
+(defvoo nnspool-nov-directory (concat nnspool-spool-directory "over.view/")
"Local news nov directory.")
-(defvar nnspool-lib-dir "/usr/lib/news/"
+(defvoo nnspool-lib-dir
+ (if (file-exists-p "/usr/lib/news/active")
+ "/usr/lib/news/"
+ "/var/lib/news/")
"Where the local news library files are stored.")
-(defvar nnspool-active-file (concat nnspool-lib-dir "active")
+(defvoo nnspool-active-file (concat nnspool-lib-dir "active")
"Local news active file.")
-(defvar nnspool-newsgroups-file (concat nnspool-lib-dir "newsgroups")
+(defvoo nnspool-newsgroups-file (concat nnspool-lib-dir "newsgroups")
"Local news newsgroups file.")
-(defvar nnspool-distributions-file (concat nnspool-lib-dir "distributions")
+(defvoo nnspool-distributions-file (concat nnspool-lib-dir "distribs.pat")
"Local news distributions file.")
-(defvar nnspool-history-file (concat nnspool-lib-dir "history")
+(defvoo nnspool-history-file (concat nnspool-lib-dir "history")
"Local news history file.")
-(defvar nnspool-active-times-file (concat nnspool-lib-dir "active.times")
+(defvoo nnspool-active-times-file (concat nnspool-lib-dir "active.times")
"Local news active date file.")
-(defvar nnspool-large-newsgroup 50
- "The number of the articles which indicates a large newsgroup.
-If the number of the articles is greater than the value, verbose
+(defvoo nnspool-large-newsgroup 50
+ "The number of articles which indicates a large newsgroup.
+If the number of articles is greater than the value, verbose
messages will be shown to indicate the current status.")
-(defvar nnspool-nov-is-evil nil
+(defvoo nnspool-nov-is-evil nil
"Non-nil means that nnspool will never return NOV lines instead of headers.")
(defconst nnspool-sift-nov-with-sed nil
If nil, nnspool will load the entire file into a buffer and process it
there.")
+(defvoo nnspool-rejected-article-hook nil
+ "*A hook that will be run when an article has been rejected by the server.")
+
+(defvoo nnspool-file-coding-system nnheader-file-coding-system
+ "Coding system for nnspool.")
+
\f
(defconst nnspool-version "nnspool 2.0"
"Version numbers of this version of NNSPOOL.")
-(defvar nnspool-current-directory nil
+(defvoo nnspool-current-directory nil
"Current news group directory.")
-(defvar nnspool-current-group nil)
-(defvar nnspool-status-string "")
-
-\f
-
-(defvar nnspool-current-server nil)
-(defvar nnspool-server-alist nil)
-(defvar nnspool-server-variables
- (list
- (list 'nnspool-inews-program nnspool-inews-program)
- (list 'nnspool-inews-switches nnspool-inews-switches)
- (list 'nnspool-spool-directory nnspool-spool-directory)
- (list 'nnspool-nov-directory nnspool-nov-directory)
- (list 'nnspool-lib-dir nnspool-lib-dir)
- (list 'nnspool-active-file nnspool-active-file)
- (list 'nnspool-newsgroups-file nnspool-newsgroups-file)
- (list 'nnspool-distributions-file nnspool-distributions-file)
- (list 'nnspool-history-file nnspool-history-file)
- (list 'nnspool-active-times-file nnspool-active-times-file)
- (list 'nnspool-large-newsgroup nnspool-large-newsgroup)
- (list 'nnspool-nov-is-evil nnspool-nov-is-evil)
- (list 'nnspool-sift-nov-with-sed nnspool-sift-nov-with-sed)
- '(nnspool-current-directory nil)
- '(nnspool-current-group nil)
- '(nnspool-status-string "")))
+(defvoo nnspool-current-group nil)
+(defvoo nnspool-status-string "")
\f
;;; Interface functions.
-(defun nnspool-retrieve-headers (sequence &optional newsgroup server)
- "Retrieve the headers for the articles in SEQUENCE.
-Newsgroup must be selected before calling this function."
+(nnoo-define-basics nnspool)
+
+(deffoo nnspool-retrieve-headers (articles &optional group server fetch-old)
+ "Retrieve the headers of ARTICLES."
(save-excursion
(set-buffer nntp-server-buffer)
(erase-buffer)
- (let* ((number (length sequence))
- (count 0)
- (do-message (and (numberp nnspool-large-newsgroup)
- (> number nnspool-large-newsgroup)))
- file beg article)
- (if (not (nnspool-possibly-change-directory newsgroup))
- ()
- (if (and (numberp (car sequence))
- (nnspool-retrieve-headers-with-nov sequence))
+ (when (nnspool-possibly-change-directory group)
+ (let* ((number (length articles))
+ (count 0)
+ (default-directory nnspool-current-directory)
+ (do-message (and (numberp nnspool-large-newsgroup)
+ (> number nnspool-large-newsgroup)))
+ (nnheader-file-coding-system nnspool-file-coding-system)
+ file beg article ag)
+ (if (and (numberp (car articles))
+ (nnspool-retrieve-headers-with-nov articles fetch-old))
+ ;; We successfully retrieved the NOV headers.
'nov
- (while sequence
- (setq article (car sequence))
+ ;; No NOV headers here, so we do it the hard way.
+ (while (setq article (pop articles))
(if (stringp article)
- (progn
- (setq file (nnspool-find-article-by-message-id article))
- (setq article 0))
- (setq file (concat nnspool-current-directory
- (int-to-string article))))
- (and file (file-exists-p file)
- (progn
- (insert (format "221 %d Article retrieved.\n" article))
- (setq beg (point))
- (nnheader-insert-head file)
- (goto-char beg)
- (search-forward "\n\n" nil t)
- (forward-char -1)
- (insert ".\n")
- (delete-region (point) (point-max))))
- (setq sequence (cdr sequence))
-
- (and do-message
- (zerop (% (setq count (1+ count)) 20))
- (message "NNSPOOL: Receiving headers... %d%%"
- (/ (* count 100) number))))
-
- (and do-message (message "NNSPOOL: Receiving headers...done"))
-
- ;; Fold continuation lines.
- (goto-char (point-min))
- (while (re-search-forward "\\(\r?\n[ \t]+\\)+" nil t)
- (replace-match " " t t))
- 'headers)))))
-
-(defun nnspool-open-server (server &optional defs)
- (nnheader-init-server-buffer)
- (if (equal server nnspool-current-server)
- t
- (if nnspool-current-server
- (setq nnspool-server-alist
- (cons (list nnspool-current-server
- (nnheader-save-variables nnspool-server-variables))
- nnspool-server-alist)))
- (let ((state (assoc server nnspool-server-alist)))
- (if state
- (progn
- (nnheader-restore-variables (nth 1 state))
- (setq nnspool-server-alist (delq state nnspool-server-alist)))
- (nnheader-set-init-variables nnspool-server-variables defs)))
- (setq nnspool-current-server server)))
+ ;; This is a Message-ID.
+ (setq ag (nnspool-find-id article)
+ file (and ag (nnspool-article-pathname
+ (car ag) (cdr ag)))
+ article (cdr ag))
+ ;; This is an article in the current group.
+ (setq file (int-to-string article)))
+ ;; Insert the head of the article.
+ (when (and file
+ (file-exists-p file))
+ (insert "221 ")
+ (princ article (current-buffer))
+ (insert " Article retrieved.\n")
+ (setq beg (point))
+ (inline (nnheader-insert-head file))
+ (goto-char beg)
+ (if (search-forward "\n\n" nil t)
+ (progn
+ (forward-char -1)
+ (insert ".\n"))
+ (goto-char (point-max))
+ (if (bolp)
+ (insert ".\n")
+ (insert "\n.\n")))
+ (delete-region (point) (point-max)))
-(defun nnspool-close-server (&optional server)
- t)
+ (and do-message
+ (zerop (% (incf count) 20))
+ (nnheader-message 5 "nnspool: Receiving headers... %d%%"
+ (/ (* count 100) number))))
-(defun nnspool-server-opened (&optional server)
- (and (equal server nnspool-current-server)
- nntp-server-buffer
- (buffer-name nntp-server-buffer)))
+ (when do-message
+ (nnheader-message 5 "nnspool: Receiving headers...done"))
-(defun nnspool-status-message (&optional server)
- "Return server status response as string."
- nnspool-status-string)
+ ;; Fold continuation lines.
+ (nnheader-fold-continuation-lines)
+ 'headers)))))
-(defun nnspool-request-article (id &optional newsgroup server buffer)
+(deffoo nnspool-open-server (server &optional defs)
+ (nnoo-change-server 'nnspool server defs)
+ (cond
+ ((not (file-exists-p nnspool-spool-directory))
+ (nnspool-close-server)
+ (nnheader-report 'nnspool "Spool directory doesn't exist: %s"
+ nnspool-spool-directory))
+ ((not (file-directory-p
+ (directory-file-name
+ (file-truename nnspool-spool-directory))))
+ (nnspool-close-server)
+ (nnheader-report 'nnspool "Not a directory: %s" nnspool-spool-directory))
+ ((not (file-exists-p nnspool-active-file))
+ (nnheader-report 'nnspool "The active file doesn't exist: %s"
+ nnspool-active-file))
+ (t
+ (nnheader-report 'nnspool "Opened server %s using directory %s"
+ server nnspool-spool-directory)
+ t)))
+
+(deffoo nnspool-request-article (id &optional group server buffer)
"Select article by message ID (or number)."
- (nnspool-possibly-change-directory newsgroup)
- (let ((file (if (stringp id)
- (nnspool-find-article-by-message-id id)
- (concat nnspool-current-directory (prin1-to-string id))))
- (nntp-server-buffer (or buffer nntp-server-buffer)))
- (if (and (stringp file)
- (file-exists-p file)
- (not (file-directory-p file)))
- (save-excursion
- (nnspool-find-file file)))))
-
-(defun nnspool-request-body (id &optional newsgroup server)
+ (nnspool-possibly-change-directory group)
+ (let ((nntp-server-buffer (or buffer nntp-server-buffer))
+ file ag)
+ (if (stringp id)
+ ;; This is a Message-ID.
+ (when (setq ag (nnspool-find-id id))
+ (setq file (nnspool-article-pathname (car ag) (cdr ag))))
+ (setq file (nnspool-article-pathname nnspool-current-group id)))
+ (and file
+ (file-exists-p file)
+ (not (file-directory-p file))
+ (save-excursion (nnspool-find-file file))
+ ;; We return the article number and group name.
+ (if (numberp id)
+ (cons nnspool-current-group id)
+ ag))))
+
+(deffoo nnspool-request-body (id &optional group server)
"Select article body by message ID (or number)."
- (nnspool-possibly-change-directory newsgroup)
- (if (nnspool-request-article id)
+ (nnspool-possibly-change-directory group)
+ (let ((res (nnspool-request-article id)))
+ (when res
(save-excursion
(set-buffer nntp-server-buffer)
(goto-char (point-min))
- (if (search-forward "\n\n" nil t)
- (delete-region (point-min) (point)))
- t)))
+ (when (search-forward "\n\n" nil t)
+ (delete-region (point-min) (point)))
+ res))))
-(defun nnspool-request-head (id &optional newsgroup server)
+(deffoo nnspool-request-head (id &optional group server)
"Select article head by message ID (or number)."
- (nnspool-possibly-change-directory newsgroup)
- (if (nnspool-request-article id)
+ (nnspool-possibly-change-directory group)
+ (let ((res (nnspool-request-article id)))
+ (when res
(save-excursion
(set-buffer nntp-server-buffer)
(goto-char (point-min))
- (if (search-forward "\n\n" nil t)
- (delete-region (1- (point)) (point-max)))
- t)))
+ (when (search-forward "\n\n" nil t)
+ (delete-region (1- (point)) (point-max)))
+ (nnheader-fold-continuation-lines)))
+ res))
-(defun nnspool-request-group (group &optional server dont-check)
+(deffoo nnspool-request-group (group &optional server dont-check)
"Select news GROUP."
- (let ((pathname (nnspool-article-pathname
- (nnspool-replace-chars-in-string group ?. ?/)))
+ (let ((pathname (nnspool-article-pathname group))
dir)
(if (not (file-directory-p pathname))
- (progn
- (setq nnspool-status-string
- "Invalid group name (no such directory)")
- nil)
+ (nnheader-report
+ 'nnspool "Invalid group name (no such directory): %s" group)
(setq nnspool-current-directory pathname)
- (setq nnspool-status-string "")
- (if (not dont-check)
+ (nnheader-report 'nnspool "Selected group %s" group)
+ (if dont-check
(progn
- (setq dir (directory-files pathname nil "^[0-9]+$" t))
- ;; yes, completely empty spool directories *are* possible
- ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
- (and dir
- (setq dir
- (sort
- (mapcar
- (function
- (lambda (name)
- (string-to-int name)))
- dir)
- '<)))
- (save-excursion
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (if dir
- (insert
- (format "211 %d %d %d %s\n" (length dir) (car dir)
- (progn (while (cdr dir) (setq dir (cdr dir)))
- (car dir))
- group))
- (insert (format "211 0 0 0 %s\n" group))))))
- t)))
-
-(defun nnspool-close-group (group &optional server)
+ (nnheader-report 'nnspool "Selected group %s" group)
+ t)
+ ;; Yes, completely empty spool directories *are* possible.
+ ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
+ (when (setq dir (directory-files pathname nil "^[0-9]+$" t))
+ (setq dir (sort (mapcar 'string-to-number dir) '<)))
+ (if dir
+ (nnheader-insert
+ "211 %d %d %d %s\n" (length dir) (car dir)
+ (car (last dir)) group)
+ (nnheader-report 'nnspool "Empty group %s" group)
+ (nnheader-insert "211 0 0 0 %s\n" group))))))
+
+(deffoo nnspool-request-type (group &optional article)
+ 'news)
+
+(deffoo nnspool-close-group (group &optional server)
t)
-(defun nnspool-request-list (&optional server)
+(deffoo nnspool-request-list (&optional server)
"List active newsgroups."
(save-excursion
- (nnspool-find-file nnspool-active-file)))
+ (or (nnspool-find-file nnspool-active-file)
+ (nnheader-report 'nnspool (nnheader-file-error nnspool-active-file)))))
-(defun nnspool-request-list-newsgroups (&optional server)
+(deffoo nnspool-request-list-newsgroups (&optional server)
"List newsgroups (defined in NNTP2)."
(save-excursion
- (nnspool-find-file nnspool-newsgroups-file)))
+ (or (nnspool-find-file nnspool-newsgroups-file)
+ (nnheader-report 'nnspool (nnheader-file-error
+ nnspool-newsgroups-file)))))
-(defun nnspool-request-list-distributions (&optional server)
+(deffoo nnspool-request-list-distributions (&optional server)
"List distributions (defined in NNTP2)."
(save-excursion
- (nnspool-find-file nnspool-distributions-file)))
+ (or (nnspool-find-file nnspool-distributions-file)
+ (nnheader-report 'nnspool (nnheader-file-error
+ nnspool-distributions-file)))))
;; Suggested by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
-(defun nnspool-request-newgroups (date &optional server)
+(deffoo nnspool-request-newgroups (date &optional server)
"List groups created after DATE."
(if (nnspool-find-file nnspool-active-times-file)
(save-excursion
;; Find the last valid line.
(goto-char (point-max))
- (while (and (not (looking-at
+ (while (and (not (looking-at
"\\([^ ]+\\) +\\([0-9]+\\)[0-9][0-9][0-9] "))
(zerop (forward-line -1))))
- (let ((seconds (nnspool-seconds-since-epoch date))
+ (let ((seconds (time-to-seconds (date-to-time date)))
groups)
;; Go through lines and add the latest groups to a list.
(while (and (looking-at "\\([^ ]+\\) +[0-9]+ ")
(progn
;; We insert a .0 to make the list reader
- ;; interpret the number as a float. It is far
- ;; too big to be stored in a lisp integer.
+ ;; interpret the number as a float. It is far
+ ;; too big to be stored in a lisp integer.
(goto-char (1- (match-end 0)))
(insert ".0")
(> (progn
(goto-char (match-end 1))
(read (current-buffer)))
seconds))
- (setq groups (cons (buffer-substring
- (match-beginning 1) (match-end 1))
- groups))
+ (push (buffer-substring
+ (match-beginning 1) (match-end 1))
+ groups)
(zerop (forward-line -1))))
(erase-buffer)
- (while groups
- (insert (car groups) " 0 0 y\n")
-
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