From: ueno <ueno>
Date: Wed, 12 Apr 2006 06:50:40 +0000 (+0000)
Subject: Simplified.
X-Git-Tag: epgsm-branchpoint~125
X-Git-Url: http://git.chise.org/gitweb/?a=commitdiff_plain;h=794854c32b2b385e431666898f1bc65906f48172;p=elisp%2Fepg.git

Simplified.
---

diff --git a/epg-file.el b/epg-file.el
index 08d1bcb..68e9768 100644
--- a/epg-file.el
+++ b/epg-file.el
@@ -10,14 +10,14 @@ with GnuPG."
   (let ((epg-file-operation (get operation 'epg-file)))
     (if epg-file-operation
         (apply epg-file-operation args)
-      (epg-file-invoke-default-handler operation args))))
+      (epg-file-run-real-handler operation args))))
 
-(defun epg-file-invoke-default-handler (operation args)
+(defun epg-file-run-real-handler (operation args)
   (let ((inhibit-file-name-handlers
-         (cons 'epg-file-handler
-               (and (eq inhibit-file-name-operation operation)
-                    inhibit-file-name-handlers)))
-        (inhibit-file-name-operation operation))
+	 (cons 'epg-file-handler
+	       (and (eq inhibit-file-name-operation operation)
+		    inhibit-file-name-handlers)))
+	(inhibit-file-name-operation operation))
     (apply operation args)))
 
 (defun epg-file-write-region (start end filename &optional append visit
@@ -27,9 +27,8 @@ with GnuPG."
                        (expand-file-name filename)))
          ;; XXX: Obtain the value returned by choose_write_coding_system
          (coding-system (condition-case nil
-                            (epg-file-invoke-default-handler
-			     #'write-region
-			     (list start end "/"))
+			    (epg-file-run-real-handler
+			     'write-region (list start end "/"))
                           (file-error last-coding-system-used)))
          ;; start and end are normally buffer positions
          ;; specifying the part of the buffer to write.
@@ -67,8 +66,8 @@ with GnuPG."
 	(when (setq cipher (epg-encrypt-string context (buffer-string) nil))
 	  (if (memq system-type '(ms-dos windows-nt))
 	      (setq buffer-file-type t))
-	  (epg-file-invoke-default-handler
-	   #'write-region
+	  (epg-file-run-real-handler
+	   'write-region
 	   (list cipher nil filename nil 'not-visit lockname mustbenew)))))
     ;; Optional fifth argument visit, if t or a string, means
     ;;   set the last-save-file-modtime of buffer to this file's modtime
@@ -90,24 +89,23 @@ with GnuPG."
 
 (defun epg-file-insert-file-contents (filename &optional visit beg end replace)
   (barf-if-buffer-read-only)
-
-  ;; If visit is non-nil, beg and end must be nil.
-  (if (and visit (or beg end))
-      (error "Attempt to visit less than an entire file"))
-
-  (let ((expanded-filename (expand-file-name filename))
+  (setq filename (expand-file-name filename))
+  (let ((filename (expand-file-name filename))
 	(length 0))
-    (if (file-exists-p expanded-filename)
-	(let* ((local-copy (epg-file-invoke-default-handler
-			    'file-local-copy
-			    (list expanded-filename)))
-	       (local-file (or local-copy expanded-filename))
+    (if (file-exists-p filename)
+	(let* ((local-file
+		(let ((inhibit-file-name-operation
+		       (when (eq inhibit-file-name-operation
+				 'insert-file-contents)
+			 'file-local-copy)))
+		  (file-local-copy filename)))
 	       (coding-system-for-read 'binary)
 	       (context (epg-make-context))
 	       string)
 	  (unwind-protect
 	      (progn
-		(setq string (epg-decrypt-file context local-file)
+		(setq string (epg-decrypt-file context (or local-file
+							   filename))
 		      length (length string))
 		(if replace
 		    (goto-char (point-min)))
@@ -118,22 +116,22 @@ with GnuPG."
 		      (insert (decode-coding-string string 'undecided)))
 		    (if replace
 			(delete-region (point) (point-max))))))
-	    (when (and local-copy (file-exists-p local-copy))
-	      (delete-file local-copy)))))
+	    (when (and local-file (file-exists-p local-file))
+	      (delete-file local-file)))))
     ;; If second argument visit is non-nil, the buffer's visited filename
     ;; and last save file modtime are set, and it is marked unmodified.
     (when visit
       (unlock-buffer)
-      (setq buffer-file-name expanded-filename)
+      (setq buffer-file-name filename)
       (set-visited-file-modtime))
 
     ;; If visiting and the file does not exist, visiting is completed
     ;; before the error is signaled.
-    (if (and visit (not (file-exists-p expanded-filename)))
+    (if (and visit (not (file-exists-p filename)))
 	(signal 'file-error (list "Opening input file" filename)))
 
     ;; Returns list of absolute file name and number of characters inserted.
-    (list expanded-filename length)))
+    (list filename length)))
 
 (put 'write-region 'epg-file 'epg-file-write-region)
 (put 'insert-file-contents 'epg-file 'epg-file-insert-file-contents)