From bda35e4ada93f5cd7416e92e99c76b70fa1da9a8 Mon Sep 17 00:00:00 2001
From: ueno <ueno>
Date: Thu, 8 Mar 2007 10:56:59 +0000
Subject: [PATCH] * epg.el (epg-wait-for-plaintext): New function.
 (epg--status-PLAINTEXT_LENGTH): New function.
 (epg-decrypt-string): Don't use a temp output file.

---
 ChangeLog |    3 +++
 epg.el    |   30 +++++++++++++++++++++++-------
 2 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 96c1ed7..dcd824e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,9 @@
 2007-03-08  Daiki Ueno  <ueno@unixuser.org>
 
 	* epg.el (epg-list-keys): Parse GnuPG's print_string escape.
+	(epg-wait-for-plaintext): New function.
+	(epg--status-PLAINTEXT_LENGTH): New function.
+	(epg-decrypt-string): Don't use a temp output file.
 
 2007-03-08  Daiki Ueno  <ueno@unixuser.org>
 
diff --git a/epg.el b/epg.el
index 5a3ce86..3b09c8f 100644
--- a/epg.el
+++ b/epg.el
@@ -1120,6 +1120,7 @@ This function is for internal use only."
 		       args)))
       (set-default-file-modes orig-mode))
     (set-process-filter process #'epg--process-filter)
+    (set-process-sentinel process #'ignore)
     (epg-context-set-process context process)))
 
 (defun epg--process-filter (process input)
@@ -1147,14 +1148,17 @@ This function is for internal use only."
 			     (string (match-string 2))
 			     (symbol (intern-soft (concat "epg--status-"
 							  status))))
+			(forward-line)
+			(setq epg-read-point (point))
 			(if (member status epg-pending-status-list)
 			    (setq epg-pending-status-list nil))
 			(if (and symbol
 				 (fboundp symbol))
 			    (funcall symbol epg-context string))
-			(setq epg-last-status (cons status string))))
-		  (forward-line)
-		  (setq epg-read-point (point))))
+			(goto-char epg-read-point)
+			(setq epg-last-status (cons status string)))
+		    (forward-line)
+		    (setq epg-read-point (point)))))
 	    (setq epg-process-filter-running nil))))))
 
 (defun epg-read-output (context)
@@ -1180,6 +1184,12 @@ This function is for internal use only."
   (while (eq (process-status (epg-context-process context)) 'run)
     (accept-process-output (epg-context-process context) 1)))
 
+(defun epg-wait-for-plaintext (context length)
+  "Wait data from the `epg-gpg-program' process."
+  (while (and (eq (process-status (epg-context-process context)) 'run)
+	      (< (- (point-max) epg-read-point) length))
+    (accept-process-output (epg-context-process context) 1)))
+
 (defun epg-reset (context)
   "Reset the CONTEXT."
   (if (and (epg-context-process context)
@@ -1493,6 +1503,15 @@ This function is for internal use only."
 (defun epg--status-DECRYPTION_OKAY (context string)
   (epg-context-set-result-for context 'decryption-okay t))
 
+(defun epg--status-PLAINTEXT_LENGTH (context string)
+  (when (string-match "\\`\\([0-9]+\\)" string)
+    (let ((length (string-to-number (match-string 1 string))))
+      (epg-wait-for-plaintext context length)
+      (epg-context-set-result-for
+       context 'plaintext
+       (buffer-substring epg-read-point
+			 (setq epg-read-point (+ epg-read-point length)))))))
+
 (defun epg--status-NODATA (context string)
   (epg-context-set-result-for
    context 'error
@@ -1945,13 +1964,10 @@ If PLAIN is nil, it returns the result as a string."
     (unwind-protect
 	(progn
 	  (write-region cipher nil input-file nil 'quiet)
-	  (epg-context-set-output-file context
-				       (epg--make-temp-file "epg-output"))
 	  (epg-start-decrypt context (epg-make-data-from-file input-file))
 	  (epg-wait-for-completion context)
 	  (epg--check-error-for-decrypt context)
-	  (epg-read-output context))
-      (epg-delete-output-file context)
+	  (epg-context-result-for context 'plaintext))
       (if (file-exists-p input-file)
 	  (delete-file input-file))
       (epg-reset context))))
-- 
1.7.10.4