* imap.el: Add compiler directives.

[gnus] / lisp / nneething.el

diff --git a/lisp/nneething.el b/lisp/nneething.el
index da7ce13..bf9e1c6 100644 (file)
--- a/lisp/nneething.el
+++ b/lisp/nneething.el
@@ -1,10 +1,10 @@
 ;;; nneething.el --- arbitrary file access for Gnus
 
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
 ;;     Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
-;;     Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
+;;     Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
 ;; Keywords: news, mail
 
 ;; This file is part of GNU Emacs.
@@ -64,7 +64,6 @@ included.")
 
 (defvoo nneething-status-string "")
 
-(defvoo nneething-message-id-number 0)
 (defvoo nneething-work-buffer " *nneething work*")
 
 (defvoo nneething-group nil)
@@ -126,7 +125,8 @@ included.")
         (file-exists-p file)           ; The file exists.
         (not (file-directory-p file))  ; It's not a dir.
         (save-excursion
-          (nnmail-find-file file)  ; Insert the file in the nntp buf.
+          (let ((nnmail-file-coding-system 'binary))
+            (nnmail-find-file file))   ; Insert the file in the nntp buf.
           (unless (nnheader-article-p) ; Either it's a real article...
             (let ((type
                    (unless (file-directory-p file)
@@ -283,14 +283,42 @@ included.")
     (insert-buffer-substring nneething-work-buffer)
     (goto-char (point-max))))
 
+(defun nneething-encode-file-name (file &optional coding-system)
+  "Encode the name of the FILE in CODING-SYSTEM."
+  (let ((pos 0) buf)
+    (setq file (mm-encode-coding-string
+               file (or coding-system nnmail-pathname-coding-system)))
+    (while (string-match "[^-0-9a-zA-Z_:/.]" file pos)
+      (setq buf (cons (format "%%%02x" (aref file (match-beginning 0)))
+                     (cons (substring file pos (match-beginning 0)) buf))
+           pos (match-end 0)))
+    (apply (function concat)
+          (nreverse (cons (substring file pos) buf)))))
+
+(defun nneething-decode-file-name (file &optional coding-system)
+  "Decode the name of the FILE is encoded in CODING-SYSTEM."
+  (let ((pos 0) buf)
+    (while (string-match "%\\([0-9a-fA-F][0-9a-fA-F]\\)" file pos)
+      (setq buf (cons (string (string-to-number (match-string 1 file) 16))
+                     (cons (substring file pos (match-beginning 0)) buf))
+           pos (match-end 0)))
+    (decode-coding-string
+     (apply (function concat)
+           (nreverse (cons (substring file pos) buf)))
+     (or coding-system nnmail-pathname-coding-system))))
+
+(defun nneething-get-file-name (id)
+  "Extract the file name from the message ID string."
+  (when (string-match "\\`<nneething-\\([^@]+\\)@.*>\\'" id)
+    (nneething-decode-file-name (match-string 1 id))))
+
 (defun nneething-make-head (file &optional buffer extra-msg
                                 mime-type mime-charset mime-encoding)
   "Create a head by looking at the file attributes of FILE."
   (let ((atts (file-attributes file)))
     (insert
      "Subject: " (file-name-nondirectory file) (or extra-msg "") "\n"
-     "Message-ID: <nneething-"
-     (int-to-string (incf nneething-message-id-number))
+     "Message-ID: <nneething-" (nneething-encode-file-name file)
      "@" (system-name) ">\n"
      (if (equal '(0 0) (nth 5 atts)) ""
        (concat "Date: " (current-time-string (nth 5 atts)) "\n"))