[Emacs-diffs] Changes to emacs/lisp/gnus/nnagent.el [gnus-5_10-branch]

[Andreas Schwab]

Index: emacs/lisp/gnus/nnagent.el
diff -c /dev/null emacs/lisp/gnus/nnagent.el:1.4.2.1
*** /dev/null   Thu Jul 22 16:47:08 2004
--- emacs/lisp/gnus/nnagent.el  Thu Jul 22 16:45:51 2004
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*** 0 ****
--- 1,251 ----
+ ;;; nnagent.el --- offline backend for Gnus
+ 
+ ;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+ ;;        Free Software Foundation, Inc.
+ 
+ ;; Author: Lars Magne Ingebrigtsen <address@hidden>
+ ;; Keywords: news, mail
+ 
+ ;; This file is part of GNU Emacs.
+ 
+ ;; 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.
+ 
+ ;; GNU Emacs is distributed in the hope that it will be useful,
+ ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+ ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ ;; 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.
+ 
+ ;;; Commentary:
+ 
+ ;;; Code:
+ 
+ (require 'nnheader)
+ (require 'nnoo)
+ (eval-when-compile (require 'cl))
+ (require 'gnus-agent)
+ (require 'nnml)
+ 
+ (nnoo-declare nnagent
+   nnml)
+ 
+ 
+ 
+ (defconst nnagent-version "nnagent 1.0")
+ 
+ (defvoo nnagent-directory nil
+   "Internal variable."
+   nnml-directory)
+ 
+ (defvoo nnagent-active-file nil
+   "Internal variable."
+   nnml-active-file)
+ 
+ (defvoo nnagent-newsgroups-file nil
+   "Internal variable."
+   nnml-newsgroups-file)
+ 
+ (defvoo nnagent-get-new-mail nil
+   "Internal variable."
+   nnml-get-new-mail)
+ 
+ ;;; Interface functions.
+ 
+ (nnoo-define-basics nnagent)
+ 
+ (defun nnagent-server (server)
+   (and server (format "%s+%s" (car gnus-command-method) server)))
+ 
+ (deffoo nnagent-open-server (server &optional defs)
+   (setq defs
+       `((nnagent-directory ,(gnus-agent-directory))
+         (nnagent-active-file ,(gnus-agent-lib-file "active"))
+         (nnagent-newsgroups-file ,(gnus-agent-lib-file "newsgroups"))
+         (nnagent-get-new-mail nil)))
+   (nnoo-change-server 'nnagent
+                     (nnagent-server server)
+                     defs)
+   (let ((dir (gnus-agent-directory))
+       err)
+     (cond
+      ((not (condition-case arg
+              (file-exists-p dir)
+            (ftp-error (setq err (format "%s" arg)))))
+       (nnagent-close-server)
+       (nnheader-report
+        'nnagent (or err
+                   (format "No such file or directory: %s" dir))))
+      ((not (file-directory-p (file-truename dir)))
+       (nnagent-close-server)
+       (nnheader-report 'nnagent "Not a directory: %s" dir))
+      (t
+       (nnheader-report 'nnagent "Opened server %s using directory %s"
+                      server dir)
+       t))))
+ 
+ (deffoo nnagent-retrieve-groups (groups &optional server)
+   (save-excursion
+     (cond
+      ((file-exists-p (gnus-agent-lib-file "groups"))
+       (nnmail-find-file (gnus-agent-lib-file "groups"))
+       'groups)
+      ((file-exists-p (gnus-agent-lib-file "active"))
+       (nnmail-find-file (gnus-agent-lib-file "active"))
+       'active)
+      (t nil))))
+ 
+ (defun nnagent-request-type (group article)
+   (unless (stringp article)
+     (let ((gnus-plugged t))
+       (if (not (gnus-check-backend-function
+               'request-type (car gnus-command-method)))
+         'unknown
+       (funcall (gnus-get-function gnus-command-method 'request-type)
+                (gnus-group-real-name group) article)))))
+ 
+ (deffoo nnagent-request-newgroups (date server)
+   nil)
+ 
+ (deffoo nnagent-request-update-info (group info &optional server)
+   nil)
+ 
+ (deffoo nnagent-request-post (&optional server)
+   (gnus-agent-insert-meta-information 'news gnus-command-method)
+   (gnus-request-accept-article "nndraft:queue" nil t t))
+ 
+ (deffoo nnagent-request-set-mark (group action server)
+   (with-temp-buffer
+     (insert (format "(%s-request-set-mark \"%s\" '%s \"%s\")\n"
+                   (nth 0 gnus-command-method) group action
+                   (or server (nth 1 gnus-command-method))))
+     (append-to-file (point-min) (point-max) (gnus-agent-lib-file "flags")))
+   nil)
+ 
+ (deffoo nnagent-retrieve-headers (articles &optional group server fetch-old)
+   (let ((file (gnus-agent-article-name ".overview" group))
+       arts n first)
+     (save-excursion
+       (gnus-agent-load-alist group)
+       (setq arts (gnus-sorted-difference
+                 articles (mapcar 'car gnus-agent-article-alist)))
+       ;; Assume that articles with smaller numbers than the first one
+       ;; Agent knows are gone.
+       (setq first (caar gnus-agent-article-alist))
+       (when first 
+       (while (and arts (< (car arts) first))
+         (pop arts)))
+       (set-buffer nntp-server-buffer)
+       (erase-buffer)
+       (nnheader-insert-nov-file file (car articles))
+       (goto-char (point-min))
+       (gnus-parse-without-error
+       (while (and arts (not (eobp)))
+         (setq n (read (current-buffer)))
+         (when (> n (car arts))
+           (beginning-of-line))
+         (while (and arts (> n (car arts)))
+           (insert (format
+                    "%d\t[Undownloaded article %d]\tGnus Agent\t\t\t\n"
+                    (car arts) (car arts)))
+           (pop arts))
+         (when (and arts (= n (car arts)))
+           (pop arts))
+         (forward-line 1)))
+       (while arts
+       (insert (format
+                "%d\t[Undownloaded article %d]\tGnus Agent\t\t\t\n"
+                (car arts) (car arts)))
+       (pop arts))
+       (if (and fetch-old
+              (not (numberp fetch-old)))
+         t                             ; Don't remove anything.
+       (nnheader-nov-delete-outside-range
+        (if fetch-old (max 1 (- (car articles) fetch-old))
+          (car articles))
+        (car (last articles)))
+       t)
+       'nov)))
+ 
+ (deffoo nnagent-request-expire-articles (articles group &optional server 
force)
+   articles)
+ 
+ (deffoo nnagent-request-group (group &optional server dont-check)
+   (nnoo-parent-function 'nnagent 'nnml-request-group
+                       (list group (nnagent-server server) dont-check)))
+ 
+ (deffoo nnagent-close-group (group &optional server)
+   (nnoo-parent-function 'nnagent 'nnml-close-group
+                       (list group (nnagent-server server))))
+ 
+ (deffoo nnagent-request-accept-article (group &optional server last)
+   (nnoo-parent-function 'nnagent 'nnml-request-accept-article
+                       (list group (nnagent-server server) last)))
+ 
+ (deffoo nnagent-request-article (id &optional group server buffer)
+   (nnoo-parent-function 'nnagent 'nnml-request-article
+                       (list id group (nnagent-server server) buffer)))
+ 
+ (deffoo nnagent-request-create-group (group &optional server args)
+   (nnoo-parent-function 'nnagent 'nnml-request-create-group
+                       (list group (nnagent-server server) args)))
+ 
+ (deffoo nnagent-request-delete-group (group &optional force server)
+   (nnoo-parent-function 'nnagent 'nnml-request-delete-group
+                       (list group force (nnagent-server server))))
+ 
+ (deffoo nnagent-request-list (&optional server)
+   (nnoo-parent-function 'nnagent 'nnml-request-list
+                       (list (nnagent-server server))))
+ 
+ (deffoo nnagent-request-list-newsgroups (&optional server)
+   (nnoo-parent-function 'nnagent 'nnml-request-list-newsgroups
+                       (list (nnagent-server server))))
+ 
+ (deffoo nnagent-request-move-article
+     (article group server accept-form &optional last)
+   (nnoo-parent-function 'nnagent 'nnml-request-move-article
+                       (list article group (nnagent-server server)
+                             accept-form last)))
+ 
+ (deffoo nnagent-request-rename-group (group new-name &optional server)
+   (nnoo-parent-function 'nnagent 'nnml-request-rename-group
+                       (list group new-name (nnagent-server server))))
+ 
+ (deffoo nnagent-request-scan (&optional group server)
+   (nnoo-parent-function 'nnagent 'nnml-request-scan
+                       (list group (nnagent-server server))))
+ 
+ (deffoo nnagent-set-status (article name value &optional group server)
+   (nnoo-parent-function 'nnagent 'nnml-set-status
+                       (list article name value group (nnagent-server 
server))))
+ 
+ (deffoo nnagent-server-opened (&optional server)
+   (nnoo-parent-function 'nnagent 'nnml-server-opened
+                       (list (nnagent-server server))))
+ 
+ (deffoo nnagent-status-message (&optional server)
+   (nnoo-parent-function 'nnagent 'nnml-status-message
+                       (list (nnagent-server server))))
+ 
+ (deffoo nnagent-request-regenerate (server)
+   (nnoo-parent-function 'nnagent 'nnml-request-regenerate
+                       (list (nnagent-server server))))
+ 
+ ;; Use nnml functions for just about everything.
+ (nnoo-import nnagent
+   (nnml))
+ 
+ 
+ ;;; Internal functions.
+ 
+ (provide 'nnagent)
+ 
+ ;;; arch-tag: af710b77-f816-4969-af31-6fd94fb42245
+ ;;; nnagent.el ends here