X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fnnoo.el;h=384599bce775e41cd7996c3493180aaa9b6672dd;hb=30e5707a7503b9147f566e53163484a99bdb83e9;hp=84924d93afdf00dbfc5c99019b51f74ca781b5d4;hpb=4131ea9653854d4dd1b73263c52b6c0962ab74de;p=elisp%2Fgnus.git-

diff --git a/lisp/nnoo.el b/lisp/nnoo.el
index 84924d9..384599b 100644
--- a/lisp/nnoo.el
+++ b/lisp/nnoo.el
@@ -1,7 +1,9 @@
 ;;; nnoo.el --- OO Gnus Backends
-;; Copyright (C) 1996,97 Free Software Foundation, Inc.
 
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
+;;	Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
 
 ;; This file is part of GNU Emacs.
@@ -25,8 +27,8 @@
 
 ;;; Code:
 
-(require 'nnheader)
 (eval-when-compile (require 'cl))
+(require 'nnheader)
 
 (defvar nnoo-definition-alist nil)
 (defvar nnoo-state-alist nil)
@@ -36,7 +38,7 @@
   "The same as `defvar', only takes list of variables to MAP to."
   `(prog1
        ,(if doc
-	    `(defvar ,var ,init ,doc)
+	    `(defvar ,var ,init ,(concat doc "\n\nThis is a Gnus server variable.  See Info node `(gnus)Select Methods'."))
 	  `(defvar ,var ,init))
      (nnoo-define ',var ',map)))
 (put 'defvoo 'lisp-indent-function 2)
@@ -103,7 +105,13 @@
     (nnoo-change-server pbackend
 			(nnoo-current-server backend)
 			(cdr (assq pbackend (nnoo-parents backend))))
-    (apply function args)))
+    (prog1
+	(apply function args)
+      ;; Copy the changed variables back into the child.
+      (let ((vars (cdr (assq pbackend (nnoo-parents backend)))))
+	(while vars
+	  (set (cadar vars) (symbol-value (caar vars)))
+	  (setq vars (cdr vars)))))))
 
 (defun nnoo-execute (backend function &rest args)
   "Execute FUNCTION on behalf of BACKEND."
@@ -112,7 +120,13 @@
     (nnoo-change-server pbackend
 			(nnoo-current-server backend)
 			(cdr (assq pbackend (nnoo-parents backend))))
-    (apply function args)))
+    (prog1
+	(apply function args)
+      ;; Copy the changed variables back into the child.
+      (let ((vars (cdr (assq pbackend (nnoo-parents backend)))))
+	(while vars
+	  (set (cadar vars) (symbol-value (caar vars)))
+	  (setq vars (cdr vars)))))))
 
 (defmacro nnoo-map-functions (backend &rest maps)
   `(nnoo-map-functions-1 ',backend ',maps))
@@ -187,9 +201,11 @@
 	(while (setq def (pop defs))
 	  (unless (assq (car def) bvariables)
 	    (nconc bvariables
- 		   (list (cons (car def) (and (boundp (car def))
- 					      (symbol-value (car def)))))))
-	  (set (car def) (cadr def))))
+		   (list (cons (car def) (and (boundp (car def))
+					      (symbol-value (car def)))))))
+	  (if (equal server "*internal-non-initialized-backend*")
+	      (set (car def) (symbol-value (cadr def)))
+	    (set (car def) (cadr def)))))
       (while parents
 	(nnoo-change-server
 	 (caar parents) (format "%s+%s" backend server)
@@ -238,7 +254,7 @@
 	(setcdr bstate (delq defs (cdr bstate)))
 	(pop defs)
 	(while defs
-	  (set (car (pop defs)) nil)))))
+	  (set (car (pop defs)) nil))))) 
   t)
 
 (defun nnoo-close (backend)
@@ -288,6 +304,20 @@ All functions will return nil and report an error."
 		   (&rest args)
 		 (nnheader-report ',backend ,(format "%s-%s not implemented"
 						     backend function))))))))
+
+(defun nnoo-set (server &rest args)
+  (let ((parents (nnoo-parents (car server)))
+	(nnoo-parent-backend (car server)))
+    (while parents
+      (nnoo-change-server (caar parents)
+			  (cadr server)
+			  (cdar parents))
+      (pop parents)))
+  (nnoo-change-server (car server)
+		      (cadr server) (cddr server))
+  (while args
+    (set (pop args) (pop args))))
+
 (provide 'nnoo)
 
-;;; nnoo.el ends here.
+;;; nnoo.el ends here