From: ueno <ueno>
Date: Fri, 9 Mar 2007 01:59:46 +0000 (+0000)
Subject: New branch for utilizing PLAINTEXT status code.
X-Git-Url: http://git.chise.org/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2Fplaintext;p=elisp%2Fepg.git

New branch for utilizing PLAINTEXT status code.
---

diff --git a/ChangeLog b/ChangeLog
index 96c1ed7..1240230 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,15 @@
 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.
+	(epg--status-BEGIN_DECRYPTION): New function; reset 'plaintext
+	result.
+	(epg--status-DECRYPTION_OKAY): Copy 'plaintext result to
+	'decrypted-plaintext.
+	(epg-verify-file): Don't use a temp output file.
+	(epg-verify-string): Ditto.
 
 2007-03-08  Daiki Ueno  <ueno@unixuser.org>
 
diff --git a/epg.el b/epg.el
index 5a3ce86..63d40b5 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)
@@ -1487,11 +1497,27 @@ This function is for internal use only."
 	       (if (consp (epg-context-progress-callback context))
 		   (cdr (epg-context-progress-callback context))))))
 
+(defun epg--status-BEGIN_DECRYPTION (context string)
+  (epg-context-set-result-for context 'plaintext nil))
+
 (defun epg--status-DECRYPTION_FAILED (context string)
   (epg-context-set-result-for context 'decryption-failed t))
 
 (defun epg--status-DECRYPTION_OKAY (context string)
-  (epg-context-set-result-for context 'decryption-okay t))
+  (epg-context-set-result-for context 'decryption-okay t)
+  (epg-context-set-result-for
+   context
+   'decrypted-plaintext
+   (epg-context-result-for context 'plaintext)))
+
+(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
@@ -1945,13 +1971,10 @@ 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 'decrypted-plaintext))
       (if (file-exists-p input-file)
 	  (delete-file input-file))
       (epg-reset context))))
@@ -2005,9 +2028,7 @@ stored into the file after successful verification."
   (unwind-protect
       (progn
 	(if plain
-	    (epg-context-set-output-file context plain)
-	  (epg-context-set-output-file context
-				       (epg--make-temp-file "epg-output")))
+	    (epg-context-set-output-file context plain))
 	(if signed-text
 	    (epg-start-verify context
 			      (epg-make-data-from-file signature)
@@ -2016,9 +2037,7 @@ stored into the file after successful verification."
 			    (epg-make-data-from-file signature)))
 	(epg-wait-for-completion context)
 	(unless plain
-	  (epg-read-output context)))
-    (unless plain
-      (epg-delete-output-file context))
+	  (epg-context-result-for context 'plaintext)))
     (epg-reset context)))
 
 ;;;###autoload
@@ -2034,8 +2053,6 @@ successful verification."
 	input-file)
     (unwind-protect
 	(progn
-	  (epg-context-set-output-file context
-				       (epg--make-temp-file "epg-output"))
 	  (if signed-text
 	      (progn
 		(setq input-file (epg--make-temp-file "epg-signature"))
@@ -2045,8 +2062,7 @@ successful verification."
 				  (epg-make-data-from-string signed-text)))
 	    (epg-start-verify context (epg-make-data-from-string signature)))
 	  (epg-wait-for-completion context)
-	  (epg-read-output context))
-      (epg-delete-output-file context)
+	  (epg-context-result-for context 'plaintext))
       (if (and input-file
 	       (file-exists-p input-file))
 	  (delete-file input-file))