X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fnnagent.el;h=21b9f97f0a1af60f58c4ecf05a95b32bcefc53e6;hb=a3dceb5435f0e48f5b39a10508e3d7d14aa9e8c2;hp=60c26cc215c69f0bee99dd114a48f5bf594fdbcf;hpb=d0e319b544eb439c3afd135775d6deaebdea3b49;p=elisp%2Fgnus.git-

diff --git a/lisp/nnagent.el b/lisp/nnagent.el
index 60c26cc..21b9f97 100644
--- a/lisp/nnagent.el
+++ b/lisp/nnagent.el
@@ -1,5 +1,7 @@
 ;;; nnagent.el --- offline backend for Gnus
-;; Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+
+;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+;;        Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news, mail
@@ -126,6 +128,54 @@
     (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)))
@@ -150,10 +200,6 @@
   (nnoo-parent-function 'nnagent 'nnml-request-delete-group
 			(list group force (nnagent-server server))))
 
-(deffoo nnagent-request-expire-articles (articles group &optional server force)
-  (nnoo-parent-function 'nnagent 'nnml-request-expire-articles
-			(list articles group (nnagent-server server) force)))
-
 (deffoo nnagent-request-list (&optional server)
   (nnoo-parent-function 'nnagent 'nnml-request-list
 			(list (nnagent-server server))))
@@ -176,10 +222,6 @@
   (nnoo-parent-function 'nnagent 'nnml-request-scan
 			(list group (nnagent-server server))))
 
-(deffoo nnagent-retrieve-headers (sequence &optional group server fetch-old)
-  (nnoo-parent-function 'nnagent 'nnml-retrieve-headers
-			(list sequence group (nnagent-server server) fetch-old)))
-
 (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))))