From 590e05e5c3b1e8b799caa0a23c69c4bfc923b98d Mon Sep 17 00:00:00 2001
From: ueno <ueno>
Date: Tue, 5 Sep 2006 04:03:11 +0000
Subject: [PATCH] * epg-config.el (epg-debug): Moved from epg.el.
 (epg-configuration): Parse group configuration.
 (epg-expand-group): New function.

---
 ChangeLog     |    6 ++++++
 epg-config.el |   51 ++++++++++++++++++++++++++++++++++++++++-----------
 epg.el        |    1 -
 3 files changed, 46 insertions(+), 12 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 53b3aaa..0fd818b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2006-09-05  Daiki Ueno  <ueno@unixuser.org>
+
+	* epg-config.el (epg-debug): Moved from epg.el.
+	(epg-configuration): Parse group configuration.
+	(epg-expand-group): New function.
+
 2006-09-04  Daiki Ueno  <ueno@unixuser.org>
 
 	* EasyPG: Version 0.0.5 released.
diff --git a/epg-config.el b/epg-config.el
index 2c4e566..ae4fe00 100644
--- a/epg-config.el
+++ b/epg-config.el
@@ -48,6 +48,12 @@
   :group 'epg
   :type 'symbol)
 
+(defcustom epg-debug nil
+  "If non-nil, debug output goes to the \" *epg-debug*\" buffer.
+Note that the buffer name starts with a space."
+  :group 'epg
+  :type 'boolean)
+
 (defconst epg-version-number "0.0.5")
 
 (defconst epg-gpg-minimum-version "1.4.3")
@@ -55,7 +61,7 @@
 ;;;###autoload
 (defun epg-configuration ()
   "Return a list of internal configuration parameters of `epg-gpg-program'."
-  (let (config type)
+  (let (config groups type args)
     (with-temp-buffer
       (apply #'call-process epg-gpg-program nil (list t nil) nil
 	     (append (if epg-gpg-home-directory
@@ -64,16 +70,31 @@
       (goto-char (point-min))
       (while (re-search-forward "^cfg:\\([^:]+\\):\\(.*\\)" nil t)
 	(setq type (intern (match-string 1))
-	      config (cons (cons type
-				 (if (memq type
-					   '(pubkey cipher digest compress))
-				     (mapcar #'string-to-number
-					     (delete "" (split-string
-							 (match-string 2)
-							 ";")))
-				   (match-string 2)))
-			   config))))
-    config))
+	      args (match-string 2))
+	(cond
+	 ((eq type 'group)
+	  (if (string-match "\\`\\([^:]+\\):" args)
+		  (setq groups
+			(cons (cons (downcase (match-string 1 args))
+				    (delete "" (split-string
+						(substring args
+							   (match-end 0)))))
+			      groups))
+	    (if epg-debug
+		(message "Invalid group configuration: %S" args))))
+	 ((memq type '(pubkey cipher digest compress))
+	  (if (string-match "\\`\\([0-9]+\\)\\(;[0-9]+\\)*" args)
+	      (setq config
+		    (cons (cons type
+				(mapcar #'string-to-number
+					(delete "" (split-string args ";"))))
+			  config))
+	    (if epg-debug
+		(message "Invalid %S algorithm configuration: %S"
+			 type args)))))))
+    (if groups
+	(cons (cons 'groups groups) config)
+      config)))
 
 (defun epg-config--parse-version (string)
   (let ((index 0)
@@ -104,6 +125,14 @@
     (unless (>= (epg-config--compare-version version minimum-version) 0)
       (error "Unsupported version: %s" (cdr entry)))))
 
+;;;###autoload
+(defun epg-expand-group (config group)
+  "Look at CONFIG and try to expand GROUP."
+  (let ((entry (assq 'groups config)))
+    (if (and entry
+	     (setq entry (assoc (downcase group) (cdr entry))))
+	(cdr entry))))
+
 (provide 'epg-config)
 
 ;;; epg-config.el ends here
diff --git a/epg.el b/epg.el
index 0191a01..29f78f8 100644
--- a/epg.el
+++ b/epg.el
@@ -38,7 +38,6 @@
 (defvar epg-pending-status-list nil)
 (defvar epg-key-id nil)
 (defvar epg-context nil)
-(defvar epg-debug nil)
 (defvar epg-debug-buffer nil)
 
 ;; from gnupg/include/cipher.h
-- 
1.7.10.4