;;; mime.el --- MIME library module
-;; Copyright (C) 1998,1999,2000 Free Software Foundation, Inc.
+;; Copyright (C) 1998,1999,2000,2001,2003 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; Keywords: MIME, multimedia, mail, news
;; 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.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Code:
)
+(autoload 'mime-encode-field-body "eword-encode"
+ "Encode FIELD-BODY as FIELD-NAME, and return the result.")
+
+
;;; @ Entity Representation and Implementation
;;;
;;;
(defun mime-entity-children (entity)
+ "Return list of entities included in the ENTITY."
(or (mime-entity-children-internal entity)
(luna-send entity 'mime-entity-children entity)))
(defun mime-entity-node-id (entity)
+ "Return node-id of ENTITY."
(mime-entity-node-id-internal entity))
(defun mime-entity-number (entity)
(defun mime-find-root-entity (entity)
"Return root entity of ENTITY."
- (let ((p (mime-entity-parent entity)))
- (if (null p)
- entity
- (mime-entity-parent p))))
+ (while (not (mime-root-entity-p entity))
+ (setq entity (mime-entity-parent entity)))
+ entity)
;;; @ Header buffer (obsolete)
;; (make-obsolete 'mime-fetch-field 'mime-entity-fetch-field)
(defun mime-entity-content-type (entity)
+ "Return content-type of ENTITY."
(or (mime-entity-content-type-internal entity)
(let ((ret (mime-entity-fetch-field entity "Content-Type")))
(if ret
))))
(defun mime-entity-content-disposition (entity)
+ "Return content-disposition of ENTITY."
(or (mime-entity-content-disposition-internal entity)
(let ((ret (mime-entity-fetch-field entity "Content-Disposition")))
(if ret
))))
(defun mime-entity-encoding (entity &optional default-encoding)
+ "Return content-transfer-encoding of ENTITY.
+If the ENTITY does not have Content-Transfer-Encoding field, this
+function returns DEFAULT-ENCODING. If it is nil, \"7bit\" is used as
+default value."
(or (mime-entity-encoding-internal entity)
(let ((ret (mime-entity-fetch-field entity "Content-Transfer-Encoding")))
(mime-entity-set-encoding-internal
(prog1
field-name
(setq field-name (symbol-name field-name)))
- (intern (capitalize (capitalize field-name))))))
+ (intern (capitalize field-name)))))
(cond ((eq sym 'Content-Type)
(mime-entity-content-type entity)
)
(buffer-substring (match-beginning 0)(match-end 0))
)))))
+;; unlimited patch by simm-emacs@fan.gr.jp
+;; Mon, 10 Jan 2000 12:59:46 +0900
(defun mime-entity-filename (entity)
"Return filename of ENTITY."
- (or (mime-entity-uu-filename entity)
- (mime-content-disposition-filename
- (mime-entity-content-disposition entity))
- (cdr (let ((param (mime-content-type-parameters
- (mime-entity-content-type entity))))
- (or (assoc "name" param)
- (assoc "x-name" param))
- ))))
+ (let ((filename
+ (or (mime-entity-uu-filename entity)
+ (mime-content-disposition-filename
+ (mime-entity-content-disposition entity))
+ (cdr (let ((param (mime-content-type-parameters
+ (mime-entity-content-type entity))))
+ (or (assoc "name" param)
+ (assoc "x-name" param))))
+ "")))
+ (or (and mime-decode-unlimited
+ (string-match "\033" filename)
+ (decode-mime-charset-string filename 'iso-2022-jp 'CRLF))
+ (eword-decode-string filename))))
(defsubst mime-entity-media-type (entity)
+ "Return primary media-type of ENTITY."
(mime-content-type-primary-type (mime-entity-content-type entity)))
+
(defsubst mime-entity-media-subtype (entity)
+ "Return media-subtype of ENTITY."
(mime-content-type-subtype (mime-entity-content-type entity)))
+
(defsubst mime-entity-parameters (entity)
+ "Return parameters of Content-Type of ENTITY."
(mime-content-type-parameters (mime-entity-content-type entity)))
+
(defsubst mime-entity-type/subtype (entity-info)
+ "Return type/subtype of Content-Type of ENTITY."
(mime-type/subtype-string (mime-entity-media-type entity-info)
(mime-entity-media-subtype entity-info)))
(defun mime-entity-set-content-type (entity content-type)
+ "Set ENTITY's content-type to CONTENT-TYPE."
(mime-entity-set-content-type-internal entity content-type))
(defun mime-entity-set-encoding (entity encoding)
+ "Set ENTITY's content-transfer-encoding to ENCODING."
(mime-entity-set-encoding-internal entity encoding))
+;;; @ unlimited patch
+;;;
+
+;; unlimited patch by simm-emacs@fan.gr.jp (code derives from irchat-pj)
+;; Tue, 01 Feb 2000 01:42:05 +0900
+(defun mime-detect-coding-system-region-unlimited (beg end)
+ "Detect coding system on region."
+ (let (ch esc prev flag)
+ (save-excursion
+ (catch 'detect
+ ;; check ISO-2022-JP / ascii
+ (catch 'quit
+ (goto-char beg)
+ (while (< (point) end)
+ (setq ch (following-char))
+ (and (<= 256 ch)
+ (throw 'detect nil)) ;;'noconv))
+ (and (<= 128 ch)
+ (throw 'quit t))
+ (and (= 27 ch)
+ (setq esc t))
+ (forward-char 1))
+ (throw 'detect (if esc 'iso-2022-jp nil))) ;;'noconv)))
+ ;; check EUC-JP / SHIFT-JIS
+ (if esc (throw 'detect 'iso-2022-jp))
+ (while (< (point) end)
+ (setq ch (following-char))
+ (or (and (= 27 ch) ;; ESC
+ (throw 'detect 'iso-2022-jp))
+ (and (<= 128 ch) (<= ch 141) ;; 0x80 <= ch <= 0x8d
+ (throw 'detect 'shift_jis))
+ (and (<= 144 ch) (<= ch 159) ;; 0x90 <= ch <= 0x9f
+ (throw 'detect 'shift_jis))
+ (and (eq 'shift_jis prev) (<= ch 127) ;; second byte MSB == 0
+ (throw 'detect 'shift_jis))
+ (and (eq 'euc-jp prev)
+ (<= 161 ch) (<= ch 243) ;; second byte of EUC Kana
+ (setq prev nil
+ flag 'euc-jp))
+ (and (eq nil prev)
+ (or (= 164 ch) (= 165 ch)) ;; first byte of EUC kana
+ (setq prev 'euc-jp))
+ (< ch 160) ;; ch <= 0xa0
+ (and (eq 'euc-jp prev)
+ (throw 'detect 'euc-jp))
+ (setq prev (if prev nil 'shift_jis)
+ flag (if (eq 'euc-jp flag) 'euc-jp 'shift_jis)))
+ (forward-char 1))
+ flag))))
+ ;;(or flag 'noconv)))))
+
+;; unlimited patch by simm-emacs@fan.gr.jp
+;; Tue, 01 Feb 2000 01:56:38 +0900
+(defun mime-detect-coding-system-string-unlimited (str)
+ "Detect coding system on string."
+ (save-excursion
+ (set-buffer (get-buffer-create " *Temporary unlimited*"))
+ (insert str)
+ (unwind-protect
+ (mime-detect-coding-system-region-unlimited (point-min) (point-max))
+ (kill-buffer nil))))
+
+;; unlimited patch by simm-emacs@fan.gr.jp
+;; Tue, 01 Feb 2000 13:32:14 +0900
+(defsubst insert-unlimited (str)
+ "Insert with no-conversion.
+On GNU Emacs 20.*, (insert str) after (set-buffer-multibyte nil).
+Other environment, perform (insert str)."
+ (static-if (boundp 'nonascii-translation-table-unlimited)
+ (let ((nonascii-translation-table nonascii-translation-table-unlimited))
+ (insert str))
+ (insert str)))
+
+(defun decode-mime-charset-string-dist-unlimited (str charset &optional lbt)
+ "Detect coding system on string."
+ (if (not (eq 'auto-detect charset))
+ (decode-mime-charset-string str charset lbt)
+ (save-excursion
+ (set-buffer (get-buffer-create " *Temporary unlimited*"))
+ (unwind-protect
+ (let (code)
+ (insert-unlimited str)
+ (setq code (mime-detect-coding-system-region-unlimited (point-min) (point-max)))
+ (cond ((eq code 'euc-jp)
+ (message "EUC-JP code detected, so convert this message."))
+ ((eq code 'shift_jis)
+ (message "SHIFT-JIS code detected, so convert this message.")))
+ (decode-mime-charset-region (point-min) (point-max)
+ (or code default-mime-charset)
+ lbt)
+ (buffer-substring (point-min) (point-max)))
+ (kill-buffer nil)))))
+
+(defun decode-mime-charset-string-unlimited (str charset &optional lbt)
+ "Detect coding system on string."
+ (cond ((eq 'auto-detect charset)
+ (save-excursion
+ (set-buffer (get-buffer-create " *Temporary unlimited*"))
+ (unwind-protect
+ (let (code)
+ (insert-unlimited str)
+ (setq code
+ (mime-detect-coding-system-region-unlimited (point-min) (point-max)))
+ (cond ((eq code 'euc-jp)
+ (message "EUC-JP code detected, so convert this message."))
+ ((eq code 'shift_jis)
+ (message "SHIFT-JIS code detected, so convert this message.")))
+ (decode-mime-charset-region (point-min) (point-max)
+ (or code default-mime-charset)
+ lbt)
+ (buffer-substring (point-min) (point-max)))
+ (kill-buffer nil))))
+ ((string= "us-ascii" charset)
+ (save-excursion
+ (set-buffer (get-buffer-create " *Temporary unlimited*"))
+ (unwind-protect
+ (let ((code 'us-ascii))
+ (insert-unlimited str)
+ (goto-char (point-min))
+ (while (not (eobp))
+ (if (and (<= 32 (following-char)) (< (following-char) 128))
+ (forward-char 1)
+ (setq code nil)
+ (goto-char (point-max))))
+ (cond ((eq code 'us-ascii)
+ (decode-mime-charset-region (point-min) (point-max) nil lbt))
+ (code
+ (decode-mime-charset-region (point-min) (point-max) code lbt))
+ (t
+ (setq code
+ (mime-detect-coding-system-region-unlimited
+ (point-min) (point-max)))
+ (when code
+ (message "Declared US-ASCII but detected %s, so convert."
+ (if (eq code 'shift_jis) "SHIFT-JIS"
+ (upcase (prin1-to-string code))))
+ (decode-mime-charset-region (point-min) (point-max)
+ (or code default-mime-charset)
+ lbt))))
+ (buffer-substring (point-min) (point-max)))
+ (kill-buffer nil))))
+ (t
+ (decode-mime-charset-string str charset lbt))))
+
;;; @ end
;;;
projects / elisp / flim.git / blobdiff