From 76b04b36c98d47dcebefbbae977c6744daa324c0 Mon Sep 17 00:00:00 2001
From: yamaoka <yamaoka>
Date: Fri, 28 Mar 2003 12:02:48 +0000
Subject: [PATCH] Synch to Oort Gnus 200303280941.

---
 lisp/ChangeLog        |   14 ++++++++++++++
 lisp/gnus-registry.el |   33 +++++++++++++++++++++++++++++++--
 lisp/gnus-start.el    |    8 +++++++-
 lisp/gnus.el          |    5 +++++
 4 files changed, 57 insertions(+), 3 deletions(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 7cc5fb1..1fc305e 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,17 @@
+2003-03-28  Teodor Zlatanov  <tzz@lifelogs.com>
+
+	* gnus-start.el (gnus-read-newsrc-el-hook): new hook called by gnus-read-newsrc-el-file
+	(gnus-read-newsrc-el-file): call the gnus-read-newsrc-el-hook
+
+	* gnus-registry.el (gnus-registry-translate-to-alist) 
+	(gnus-registry-translate-from-alist, alist-to-hashtable) 
+	(hashtable-to-alist): new functions
+	(gnus-register-spool-action): add a spool item to the registry
+
+	* gnus.el (gnus-variable-list): added gnus-registry-alist to the
+	list of saved variables
+	(gnus-registry-alist): new variable
+
 2003-03-27  Simon Josefsson  <jas@extundo.com>
 
 	* gnus-art.el (article-decode-group-name): Be correct instead of
diff --git a/lisp/gnus-registry.el b/lisp/gnus-registry.el
index 6c11631..5bed64a 100644
--- a/lisp/gnus-registry.el
+++ b/lisp/gnus-registry.el
@@ -52,6 +52,31 @@
     ;; alias puthash is missing from Emacs 20 cl-extra.el
     (defalias 'puthash 'cl-puthash)))
 
+(defun gnus-registry-translate-to-alist
+  (setq gnus-registry-alist (hashtable-to-alist gnus-registry-hashtb)))
+
+(defun gnus-registry-translate-from-alist
+  (setq gnus-registry-hashtb (alist-to-hashtable gnus-registry-alist)))
+
+(defun alist-to-hashtable (alist)
+  "Build a hashtable from the values in ALIST."
+  (let ((ht (make-hash-table 			    
+	     :size 4096
+	     :test 'equal)))
+    (mapc
+     (lambda (kv-pair)
+       (puthash (car kv-pair) (cdr kv-pair) ht))
+     alist)
+     ht))
+
+(defun hashtable-to-alist (hash)
+  "Build an alist from the values in HASH."
+  (let ((list nil))
+    (maphash
+     (lambda (key value)
+       (setq list (cons (cons key value) list)))
+     hash)))
+
 (defun gnus-register-action (action data-header from &optional to method)
   (let* ((id (mail-header-id data-header))
 	(hash-entry (gethash id gnus-registry-hashtb)))
@@ -71,15 +96,19 @@
 	   (gnus-group-prefixed-name 
 	    group 
 	    gnus-internal-registry-spool-current-method 
-	    t)))
+	    t))
+  (puthash id (cons (list 'spool nil group nil) 
+		    (gethash id gnus-registry-hashtb)) gnus-registry-hashtb))
 
 (add-hook 'gnus-summary-article-move-hook 'gnus-register-action) ; also does copy, respool, and crosspost
 (add-hook 'gnus-summary-article-delete-hook 'gnus-register-action)
 (add-hook 'gnus-summary-article-expire-hook 'gnus-register-action)
 (add-hook 'nnmail-spool-hook 'gnus-register-spool-action)
 
+(add-hook 'gnus-save-newsrc-hook 'gnus-registry-translate-to-alist)
+(add-hook 'gnus-read-newsrc-el-hook 'gnus-registry-translate-from-alist)
+
 ;; TODO: a lot of things
-;; TODO: we have to load and save the registry through gnus-save-newsrc-file
 
 (provide 'gnus-registry)
 
diff --git a/lisp/gnus-start.el b/lisp/gnus-start.el
index c1a5ec2..1fb8d25 100644
--- a/lisp/gnus-start.el
+++ b/lisp/gnus-start.el
@@ -412,6 +412,11 @@ This hook is called as the first thing when Gnus is started."
   :group 'gnus-group-new
   :type 'hook)
 
+(defcustom gnus-read-newsrc-el-hook nil
+  "A hook called after reading the newsrc.eld? file."
+  :group 'gnus-newsrc
+  :type 'hook)
+
 (defcustom gnus-save-newsrc-hook nil
   "A hook called before saving any of the newsrc files."
   :group 'gnus-newsrc
@@ -2231,7 +2236,8 @@ If FORCE is non-nil, the .newsrc file is read."
     (let ((list gnus-product-variable-file-list))
       (while list
 	(apply 'gnus-product-read-variable-file-1 (car list))
-	(setq list (cdr list))))))
+	(setq list (cdr list)))))
+  (gnus-run-hooks 'gnus-read-newsrc-el-hook))
 
 ;;(defun gnus-re-read-newsrc-el-file (file)
 ;;  "Attempt to re-read .newsrc.eld file.  Returns nil if successful.
diff --git a/lisp/gnus.el b/lisp/gnus.el
index fc93a9b..af67aca 100644
--- a/lisp/gnus.el
+++ b/lisp/gnus.el
@@ -2330,6 +2330,7 @@ This variable can be nil, gnus or gnus-ja."
   '(gnus-newsrc-options gnus-newsrc-options-n
 			gnus-newsrc-last-checked-date
 			gnus-newsrc-alist gnus-server-alist
+			gnus-registry-alist
 			gnus-killed-list gnus-zombie-list
 			gnus-topic-topology gnus-topic-alist
 			gnus-agent-covered-methods)
@@ -2373,6 +2374,10 @@ It has an effect on the values of `gnus-*-line-format-spec'."
   "Assoc list of read articles.
 gnus-newsrc-hashtb should be kept so that both hold the same information.")
 
+(defvar gnus-registry-alist nil
+  "Assoc list of registry data.
+gnus-registry.el will populate this if it's loaded.")
+
 (defvar gnus-newsrc-hashtb nil
   "Hashtable of gnus-newsrc-alist.")
 
-- 
1.7.10.4