From: morioka <morioka>
Date: Mon, 24 Feb 1997 01:43:06 +0000 (+0000)
Subject: *** empty log message ***
X-Git-Tag: Hokutetsu-Ishikawa-new~327
X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d0ebbb672aa1a40fc9f7a6e4a6ec58493fbf517e;p=elisp%2Fsemi.git

*** empty log message ***
---

diff --git a/mime-def.el b/mime-def.el
new file mode 100644
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--- /dev/null
+++ b/mime-def.el
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+;;; mime-def.el --- definition module for SEMI
+
+;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Version: $Id: mime-def.el,v 0.0 1997-02-24 01:43:06 morioka Exp $
+;; Keywords: definition, MIME, multimedia, mail, news
+
+;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
+
+;; This program is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU General Public License as
+;; published by the Free Software Foundation; either version 2, or (at
+;; your option) any later version.
+
+;; This program is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
+
+(require 'emu)
+
+
+;;; @ variables
+;;;
+
+(defvar mime/tmp-dir (or (getenv "TM_TMP_DIR") "/tmp/"))
+
+(defvar mime/use-multi-frame
+  (and (>= emacs-major-version 19) window-system))
+
+(defvar mime/find-file-function
+  (if mime/use-multi-frame
+      (function find-file-other-frame)
+    (function find-file)
+    ))
+
+(defvar mime/output-buffer-window-is-shared-with-bbdb t
+  "*If t, mime/output-buffer window is shared with BBDB window.")
+
+
+;;; @ constants
+;;;
+
+(defconst mime/output-buffer-name "*MIME-out*")
+(defconst mime/temp-buffer-name " *MIME-temp*")
+
+
+;;; @ charset and encoding
+;;;
+
+(defvar mime-charset-type-list
+  '((us-ascii		7 nil)
+    (iso-8859-1		8 "quoted-printable")
+    (iso-8859-2		8 "quoted-printable")
+    (iso-8859-3		8 "quoted-printable")
+    (iso-8859-4		8 "quoted-printable")
+    (iso-8859-5		8 "quoted-printable")
+    (koi8-r		8 "quoted-printable")
+    (iso-8859-7		8 "quoted-printable")
+    (iso-8859-8		8 "quoted-printable")
+    (iso-8859-9		8 "quoted-printable")
+    (iso-2022-jp	7 "base64")
+    (iso-2022-kr	7 "base64")
+    (euc-kr		8 "base64")
+    (gb2312		8 "quoted-printable")
+    (big5		8 "base64")
+    (iso-2022-jp-2	7 "base64")
+    (iso-2022-int-1	7 "base64")
+    ))
+
+(defun mime/encoding-name (transfer-level &optional not-omit)
+  (cond ((> transfer-level 8) "binary")
+	((= transfer-level 8) "8bit")
+	(not-omit "7bit")
+	))
+
+(defun mime/make-charset-default-encoding-alist (transfer-level)
+  (mapcar (function
+	   (lambda (charset-type)
+	     (let ((charset  (upcase (symbol-name (car charset-type))))
+		   (type     (nth 1 charset-type))
+		   (encoding (nth 2 charset-type))
+		   )
+	       (if (<= type transfer-level)
+		   (cons charset (mime/encoding-name type))
+		 (cons charset encoding)
+		 ))))
+	  mime-charset-type-list))
+
+
+;;; @ button
+;;;
+
+(defun tm:set-face-region (b e face)
+  (let ((overlay (tl:make-overlay b e)))
+    (tl:overlay-put overlay 'face face)
+    ))
+
+(defvar tm:button-face 'bold
+  "Face used for content-button or URL-button of MIME-Preview buffer.
+\[mime-def.el]")
+
+(defvar tm:mouse-face 'highlight
+  "Face used for MIME-preview buffer mouse highlighting. [mime-def.el]")
+
+(defvar tm:warning-face nil
+  "Face used for invalid encoded-word.")
+
+(defun tm:add-button (from to func &optional data)
+  "Create a button between FROM and TO with callback FUNC and data DATA."
+  (and tm:button-face
+       (tl:overlay-put (tl:make-overlay from to) 'face tm:button-face))
+  (tl:add-text-properties from to
+			  (append (and tm:mouse-face
+				       (list 'mouse-face tm:mouse-face))
+				  (list 'mime-callback func)
+				  (and data (list 'mime-data data))
+				  ))
+  )
+
+(defvar tm:mother-button-dispatcher nil)
+
+(defun tm:button-dispatcher (event)
+  "Select the button under point."
+  (interactive "e")
+  (let (buf point func data)
+    (save-window-excursion
+      (mouse-set-point event)
+      (setq buf (current-buffer)
+	    point (point)
+	    func (get-text-property (point) 'mime-callback)
+	    data (get-text-property (point) 'mime-data)
+	    )
+      )
+    (save-excursion
+      (set-buffer buf)
+      (goto-char point)
+      (if func
+	  (apply func data)
+	(if (fboundp tm:mother-button-dispatcher)
+	    (funcall tm:mother-button-dispatcher event)
+	  )
+	))))
+
+
+;;; @ for URL
+;;;
+
+(defvar tm:URL-regexp
+  "\\(http\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?[-a-zA-Z0-9_=?#$@~`%&*+|\\/.,]*[-a-zA-Z0-9_=#$@~`%&*+|\\/]")
+
+(defvar browse-url-browser-function nil)
+
+(defun tm:browse-url (&optional url)
+  (if (fboundp browse-url-browser-function)
+      (if url 
+        (funcall browse-url-browser-function url)
+      (call-interactively browse-url-browser-function))
+    (if (fboundp tm:mother-button-dispatcher)
+	(call-interactively tm:mother-button-dispatcher)
+      )
+    ))
+
+
+;;; @ PGP
+;;;
+
+(defvar pgp-function-alist
+  '(
+    ;; for mime-pgp
+    (verify		mc-verify			"mc-toplev")
+    (decrypt		mc-decrypt			"mc-toplev")
+    (fetch-key		mc-pgp-fetch-key		"mc-pgp")
+    (snarf-keys		mc-snarf-keys			"mc-toplev")
+    ;; for mime-edit
+    (mime-sign		tm:mc-pgp-sign-region		"mime-edit-mc")
+    (traditional-sign	mc-pgp-sign-region		"mc-pgp")
+    (encrypt		tm:mc-pgp-encrypt-region	"mime-edit-mc")
+    (insert-key		mc-insert-public-key		"mc-toplev")
+    )
+  "Alist of service names vs. corresponding functions and its filenames.
+Each element looks like (SERVICE FUNCTION FILE).
+
+SERVICE is a symbol of PGP processing.  It allows `verify', `decrypt',
+`fetch-key', `snarf-keys', `mime-sign', `traditional-sign', `encrypt'
+or `insert-key'.
+
+Function is a symbol of function to do specified SERVICE.
+
+FILE is string of filename which has definition of corresponding
+FUNCTION.")
+
+(defmacro pgp-function (method)
+  "Return function to do service METHOD."
+  (` (car (cdr (assq (, method) (symbol-value 'pgp-function-alist)))))
+  )
+
+(mapcar (function
+	 (lambda (method)
+	   (autoload (second method)(third method))
+	   ))
+	pgp-function-alist)
+
+
+;;; @ definitions about MIME
+;;;
+
+(defconst mime/tspecials "][\000-\040()<>@,\;:\\\"/?.=")
+(defconst mime/token-regexp (concat "[^" mime/tspecials "]+"))
+(defconst mime/charset-regexp mime/token-regexp)
+
+(defconst mime/content-type-subtype-regexp
+  (concat mime/token-regexp "/" mime/token-regexp))
+
+(defconst mime/disposition-type-regexp mime/token-regexp)
+
+
+;;; @@ Base64
+;;;
+
+(defconst base64-token-regexp "[A-Za-z0-9+/]")
+(defconst base64-token-padding-regexp "[A-Za-z0-9+/=]")
+
+(defconst mime/B-encoded-text-regexp
+  (concat "\\(\\("
+	  base64-token-regexp
+	  base64-token-regexp
+	  base64-token-regexp
+	  base64-token-regexp
+	  "\\)*"
+	  base64-token-regexp
+	  base64-token-regexp
+	  base64-token-padding-regexp
+	  base64-token-padding-regexp
+          "\\)"))
+
+(defconst mime/B-encoding-and-encoded-text-regexp
+  (concat "\\(B\\)\\?" mime/B-encoded-text-regexp))
+
+
+;;; @@ Quoted-Printable
+;;;
+
+(defconst quoted-printable-hex-chars "0123456789ABCDEF")
+(defconst quoted-printable-octet-regexp
+  (concat "=[" quoted-printable-hex-chars
+	  "][" quoted-printable-hex-chars "]"))
+
+(defconst mime/Q-encoded-text-regexp
+  (concat "\\([^=?]\\|" quoted-printable-octet-regexp "\\)+"))
+(defconst mime/Q-encoding-and-encoded-text-regexp
+  (concat "\\(Q\\)\\?" mime/Q-encoded-text-regexp))
+
+
+;;; @ rot13-47
+;;;
+;; caesar-region written by phr@prep.ai.mit.edu  Nov 86
+;; modified by tower@prep Nov 86
+;; gnus-caesar-region
+;; Modified by umerin@flab.flab.Fujitsu.JUNET for ROT47.
+(defun tm:caesar-region (&optional n)
+  "Caesar rotation of region by N, default 13, for decrypting netnews.
+ROT47 will be performed for Japanese text in any case."
+  (interactive (if current-prefix-arg	; Was there a prefix arg?
+		   (list (prefix-numeric-value current-prefix-arg))
+		 (list nil)))
+  (cond ((not (numberp n)) (setq n 13))
+	(t (setq n (mod n 26))))	;canonicalize N
+  (if (not (zerop n))		; no action needed for a rot of 0
+      (progn
+	(if (or (not (boundp 'caesar-translate-table))
+		(/= (aref caesar-translate-table ?a) (+ ?a n)))
+	    (let ((i 0) (lower "abcdefghijklmnopqrstuvwxyz") upper)
+	      (message "Building caesar-translate-table...")
+	      (setq caesar-translate-table (make-vector 256 0))
+	      (while (< i 256)
+		(aset caesar-translate-table i i)
+		(setq i (1+ i)))
+	      (setq lower (concat lower lower) upper (upcase lower) i 0)
+	      (while (< i 26)
+		(aset caesar-translate-table (+ ?a i) (aref lower (+ i n)))
+		(aset caesar-translate-table (+ ?A i) (aref upper (+ i n)))
+		(setq i (1+ i)))
+	      ;; ROT47 for Japanese text.
+	      ;; Thanks to ichikawa@flab.fujitsu.junet.
+	      (setq i 161)
+	      (let ((t1 (logior ?O 128))
+		    (t2 (logior ?! 128))
+		    (t3 (logior ?~ 128)))
+		(while (< i 256)
+		  (aset caesar-translate-table i
+			(let ((v (aref caesar-translate-table i)))
+			  (if (<= v t1) (if (< v t2) v (+ v 47))
+			    (if (<= v t3) (- v 47) v))))
+		  (setq i (1+ i))))
+	      (message "Building caesar-translate-table...done")))
+	(let ((from (region-beginning))
+	      (to (region-end))
+	      (i 0) str len)
+	  (setq str (buffer-substring from to))
+	  (setq len (length str))
+	  (while (< i len)
+	    (aset str i (aref caesar-translate-table (aref str i)))
+	    (setq i (1+ i)))
+	  (goto-char from)
+	  (delete-region from to)
+	  (insert str)))))
+
+
+;;; @ field
+;;;
+
+(defun tm:set-fields (sym field-list &optional regexp-sym)
+  (or regexp-sym
+      (setq regexp-sym
+	    (let ((name (symbol-name sym)))
+	      (intern
+	       (concat (if (string-match "\\(.*\\)-list" name)
+			   (substring name 0 (match-end 1))
+			 name)
+		       "-regexp")
+	       )))
+      )
+  (set sym field-list)
+  (set regexp-sym
+       (concat "^" (apply (function regexp-or) field-list) ":"))
+  )
+
+(defun tm:add-fields (sym field-list &optional regexp-sym)
+  (or regexp-sym
+      (setq regexp-sym
+	    (let ((name (symbol-name sym)))
+	      (intern
+	       (concat (if (string-match "\\(.*\\)-list" name)
+			   (substring name 0 (match-end 1))
+			 name)
+		       "-regexp")
+	       )))
+      )
+  (let ((fields (eval sym)))
+    (mapcar (function
+	     (lambda (field)
+	       (or (member field fields)
+		   (setq fields (cons field fields))
+		   )
+	       ))
+	    (reverse field-list)
+	    )
+    (set regexp-sym
+	 (concat "^" (apply (function regexp-or) fields) ":"))
+    (set sym fields)
+    ))
+
+(defun tm:delete-fields (sym field-list &optional regexp-sym)
+  (or regexp-sym
+      (setq regexp-sym
+	    (let ((name (symbol-name sym)))
+	      (intern
+	       (concat (if (string-match "\\(.*\\)-list" name)
+			   (substring name 0 (match-end 1))
+			 name)
+		       "-regexp")
+	       )))
+      )
+  (let ((fields (eval sym)))
+    (mapcar (function
+	     (lambda (field)
+	       (setq fields (delete field fields))
+	       ))
+	    field-list)
+    (set regexp-sym
+	 (concat "^" (apply (function regexp-or) fields) ":"))
+    (set sym fields)
+    ))
+
+
+;;; @ end
+;;;
+
+(provide 'mime-def)
+
+;;; mime-def.el ends here