From d0ebbb672aa1a40fc9f7a6e4a6ec58493fbf517e Mon Sep 17 00:00:00 2001 From: morioka Date: Mon, 24 Feb 1997 01:43:06 +0000 Subject: [PATCH] *** empty log message *** --- mime-def.el | 390 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 390 insertions(+) create mode 100644 mime-def.el diff --git a/mime-def.el b/mime-def.el new file mode 100644 index 0000000..347d932 --- /dev/null +++ b/mime-def.el @@ -0,0 +1,390 @@ +;;; mime-def.el --- definition module for SEMI + +;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc. + +;; Author: MORIOKA Tomohiko +;; 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 -- 1.7.10.4