;;; mime.el --- MIME library module
-;; Copyright (C) 1998,1999 Free Software Foundation, Inc.
+;; Copyright (C) 1998,1999,2000 Free Software Foundation, Inc.
-;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; Keywords: MIME, multimedia, mail, news
;; This file is part of FLIM (Faithful Library about Internet Message).
(require 'mime-def)
(require 'eword-decode)
+(eval-when-compile (require 'mmgeneric))
+
(eval-and-compile
-(autoload 'eword-encode-header "eword-encode"
+(autoload 'mime-encode-header-in-buffer "eword-encode"
"Encode header fields to network representation, such as MIME encoded-word.")
(autoload 'mime-parse-Content-Type "mime-parse"
)
-;;; @ Entity Representation and Implementation
-;;;
+(autoload 'mime-encode-field-body "eword-encode"
+ "Encode FIELD-BODY as FIELD-NAME, and return the result.")
-(defsubst mime-find-function (service type)
- (let ((imps (cdr (assq type mime-entity-implementation-alist))))
- (if imps
- (cdr (assq service imps))
- (require (intern (format "mm%s" type)))
- (cdr (assq service
- (cdr (assq type mime-entity-implementation-alist))))
- )))
-(defsubst mime-entity-function (entity service)
- (mime-find-function service
- (mime-entity-representation-type-internal entity)))
+;;; @ Entity Representation and Implementation
+;;;
-(defsubst mime-entity-send (entity message &rest args)
- "Send MESSAGE to ENTITY with ARGS, and return the result."
- (apply (mime-find-function
- message (mime-entity-representation-type-internal entity))
- entity
- args))
-
-(defmacro mm-define-generic (name args &optional doc)
- (if doc
- `(defun ,(intern (format "mime-%s" name)) ,args
- ,doc
- (mime-entity-send ,(car args) ',name
- ,@(mm-arglist-to-arguments (cdr args)))
- )
- `(defun ,(intern (format "mime-%s" name)) ,args
- (mime-entity-send ,(car args) ',name
- ,@(mm-arglist-to-arguments (cdr args)))
- )))
-
-(put 'mm-define-generic 'lisp-indent-function 'defun)
+(defmacro mime-entity-send (entity message &rest args)
+ `(luna-send ,entity ',(intern (format "mime-%s" (eval message))) ,@args))
(defun mime-open-entity (type location)
"Open an entity and return it.
TYPE is representation-type.
LOCATION is location of entity. Specification of it is depended on
representation-type."
- (let ((entity (make-mime-entity-internal type location)))
- (mime-entity-send entity 'initialize-instance)
- entity))
+ (require (intern (format "mm%s" type)))
+ (luna-make-entity (mm-expand-class-name type) :location location))
-(mm-define-generic entity-cooked-p (entity)
+(luna-define-generic mime-entity-cooked-p (entity)
"Return non-nil if contents of ENTITY has been already code-converted.")
;;;
(defun mime-entity-children (entity)
+ "Return list of entities included in the ENTITY."
(or (mime-entity-children-internal entity)
- (mime-entity-send entity 'entity-children)))
+ (luna-send entity 'mime-entity-children entity)))
-(defalias 'mime-entity-node-id 'mime-entity-node-id-internal)
+(defun mime-entity-node-id (entity)
+ "Return node-id of ENTITY."
+ (mime-entity-node-id-internal entity))
(defun mime-entity-number (entity)
"Return entity-number of ENTITY."
(reverse (mime-entity-node-id-internal entity)))
-(defun mime-find-entity-from-number (entity-number &optional message)
- "Return entity from ENTITY-NUMBER in MESSAGE.
-If MESSAGE is not specified, `mime-message-structure' is used."
- (or message
- (setq message mime-message-structure))
+(defun mime-find-entity-from-number (entity-number message)
+ "Return entity from ENTITY-NUMBER in MESSAGE."
(let ((sn (car entity-number)))
(if (null sn)
message
))
)))
-(defun mime-find-entity-from-node-id (entity-node-id &optional message)
- "Return entity from ENTITY-NODE-ID in MESSAGE.
-If MESSAGE is not specified, `mime-message-structure' is used."
+(defun mime-find-entity-from-node-id (entity-node-id message)
+ "Return entity from ENTITY-NODE-ID in MESSAGE."
(mime-find-entity-from-number (reverse entity-node-id) message))
-(defun mime-find-entity-from-content-id (cid &optional message)
- "Return entity from CID in MESSAGE.
-If MESSAGE is not specified, `mime-message-structure' is used."
- (or message
- (setq message mime-message-structure))
- (if (equal cid (mime-read-field 'Content-Id message))
+(defun mime-find-entity-from-content-id (cid message)
+ "Return entity from CID in MESSAGE."
+ (if (equal cid (mime-entity-read-field message "Content-Id"))
message
(let ((children (mime-entity-children message))
ret)
If MESSAGE is specified, it is regarded as root entity."
(null (mime-entity-parent entity message)))
+(defun mime-find-root-entity (entity)
+ "Return root entity of ENTITY."
+ (while (not (mime-root-entity-p entity))
+ (setq entity (mime-entity-parent entity)))
+ entity)
+
+
+;;; @ Header buffer (obsolete)
+;;;
+
+;; (luna-define-generic mime-entity-header-buffer (entity))
+
+;; (luna-define-generic mime-goto-header-start-point (entity)
+;; "Set buffer and point to header-start-position of ENTITY.")
+
+;; (luna-define-generic mime-entity-header-start-point (entity)
+;; "Return header-start-position of ENTITY.")
+
+;; (luna-define-generic mime-entity-header-end-point (entity)
+;; "Return header-end-position of ENTITY.")
+
+;; (make-obsolete 'mime-entity-header-buffer "don't use it.")
+;; (make-obsolete 'mime-goto-header-start-point "don't use it.")
+;; (make-obsolete 'mime-entity-header-start-point "don't use it.")
+;; (make-obsolete 'mime-entity-header-end-point "don't use it.")
+
+
+;;; @ Body buffer (obsolete)
+;;;
+
+;; (luna-define-generic mime-entity-body-buffer (entity))
+
+;; (luna-define-generic mime-goto-body-start-point (entity)
+;; "Set buffer and point to body-start-position of ENTITY.")
+
+;; (luna-define-generic mime-goto-body-end-point (entity)
+;; "Set buffer and point to body-end-position of ENTITY.")
+
+;; (luna-define-generic mime-entity-body-start-point (entity)
+;; "Return body-start-position of ENTITY.")
+
+;; (luna-define-generic mime-entity-body-end-point (entity)
+;; "Return body-end-position of ENTITY.")
+
+;; (defalias 'mime-entity-body-start 'mime-entity-body-start-point)
+;; (defalias 'mime-entity-body-end 'mime-entity-body-end-point)
+
+;; (make-obsolete 'mime-entity-body-buffer "don't use it.")
+;; (make-obsolete 'mime-goto-body-start-point "don't use it.")
+;; (make-obsolete 'mime-goto-body-end-point "don't use it.")
+;; (make-obsolete 'mime-entity-body-start-point "don't use it.")
+;; (make-obsolete 'mime-entity-body-end-point "don't use it.")
+;; (make-obsolete 'mime-entity-body-start "don't use it.")
+;; (make-obsolete 'mime-entity-body-end "don't use it.")
+
+
+;;; @ Entity buffer (obsolete)
+;;;
+
+;; (luna-define-generic mime-entity-buffer (entity))
+;; (make-obsolete 'mime-entity-buffer "don't use it.")
+
+;; (luna-define-generic mime-entity-point-min (entity))
+;; (make-obsolete 'mime-entity-point-min "don't use it.")
+
+;; (luna-define-generic mime-entity-point-max (entity))
+;; (make-obsolete 'mime-entity-point-max "don't use it.")
+
+
+;;; @ Entity
+;;;
+
+(luna-define-generic mime-insert-entity (entity)
+ "Insert header and body of ENTITY at point.")
+
+(luna-define-generic mime-write-entity (entity filename)
+ "Write header and body of ENTITY into FILENAME.")
-;;; @ Entity Buffer
+
+;;; @ Entity Body
;;;
-(defun mime-entity-buffer (entity)
- (or (mime-entity-buffer-internal entity)
- (mime-entity-send entity 'entity-buffer)))
+(luna-define-generic mime-entity-body (entity)
+ "Return network representation of ENTITY body.")
-(mm-define-generic entity-point-min (entity)
- "Return the start point of ENTITY in the buffer which contains ENTITY.")
+(luna-define-generic mime-insert-entity-body (entity)
+ "Insert network representation of ENTITY body at point.")
-(mm-define-generic entity-point-max (entity)
- "Return the end point of ENTITY in the buffer which contains ENTITY.")
+(luna-define-generic mime-write-entity-body (entity filename)
+ "Write body of ENTITY into FILENAME.")
+
+
+;;; @ Entity Content
+;;;
-(defun mime-entity-header-start (entity)
- (or (mime-entity-header-start-internal entity)
- (mime-entity-send entity 'entity-header-start)))
+(luna-define-generic mime-entity-content (entity)
+ "Return content of ENTITY as byte sequence (string).")
-(defun mime-entity-header-end (entity)
- (or (mime-entity-header-end-internal entity)
- (mime-entity-send entity 'entity-header-end)))
+(luna-define-generic mime-insert-entity-content (entity)
+ "Insert content of ENTITY at point.")
-(defun mime-entity-body-start (entity)
- (or (mime-entity-body-start-internal entity)
- (mime-entity-send entity 'entity-body-start)))
+(luna-define-generic mime-write-entity-content (entity filename)
+ "Write content of ENTITY into FILENAME.")
-(defun mime-entity-body-end (entity)
- (or (mime-entity-body-end-internal entity)
- (mime-entity-send entity 'entity-body-end)))
+(luna-define-generic mime-insert-text-content (entity)
+ "Insert decoded text body of ENTITY.")
-;;; @ Entity Header
+;;; @ Header fields
;;;
-(defun mime-fetch-field (field-name &optional entity)
- (or (symbolp field-name)
- (setq field-name (intern (capitalize (capitalize field-name)))))
- (or entity
- (setq entity mime-message-structure))
- (cond ((eq field-name 'Date)
- (or (mime-entity-date-internal entity)
- (mime-entity-set-date-internal
- entity (mime-entity-send entity 'fetch-field "Date"))
- ))
- ((eq field-name 'Message-Id)
- (or (mime-entity-message-id-internal entity)
- (mime-entity-set-message-id-internal
- entity (mime-entity-send entity 'fetch-field "Message-Id"))
- ))
- ((eq field-name 'References)
- (or (mime-entity-references-internal entity)
- (mime-entity-set-references-internal
- entity (mime-entity-send entity 'fetch-field "References"))
- ))
- (t
- (let* ((header (mime-entity-original-header-internal entity))
- (field-body (cdr (assq field-name header))))
- (or field-body
- (progn
- (if (setq field-body
- (mime-entity-send entity 'fetch-field
- (symbol-name field-name)))
- (mime-entity-set-original-header-internal
- entity (put-alist field-name field-body header))
- )
- field-body))
- ))))
+(luna-define-generic mime-entity-fetch-field (entity field-name)
+ "Return the value of the ENTITY's header field whose type is FIELD-NAME.")
+
+;; (defun mime-fetch-field (field-name &optional entity)
+;; "Return the value of the ENTITY's header field whose type is FIELD-NAME."
+;; (if (symbolp field-name)
+;; (setq field-name (symbol-name field-name))
+;; )
+;; (or entity
+;; (setq entity mime-message-structure))
+;; (mime-entity-fetch-field entity field-name)
+;; )
+;; (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-fetch-field 'Content-Type entity)))
+ (let ((ret (mime-entity-fetch-field entity "Content-Type")))
(if ret
(mime-entity-set-content-type-internal
entity (mime-parse-Content-Type ret))
))))
(defun mime-entity-content-disposition (entity)
+ "Return content-disposition of ENTITY."
(or (mime-entity-content-disposition-internal entity)
- (let ((ret (mime-fetch-field 'Content-Disposition entity)))
+ (let ((ret (mime-entity-fetch-field entity "Content-Disposition")))
(if ret
(mime-entity-set-content-disposition-internal
entity (mime-parse-Content-Disposition 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-fetch-field 'Content-Transfer-Encoding entity)))
+ (let ((ret (mime-entity-fetch-field entity "Content-Transfer-Encoding")))
(mime-entity-set-encoding-internal
entity
(or (and ret (mime-parse-Content-Transfer-Encoding ret))
(Content-Id . mime-parse-msg-id)
))
-(defun mime-read-field (field-name &optional entity)
- (or (symbolp field-name)
- (setq field-name (capitalize (capitalize field-name))))
- (or entity
- (setq entity mime-message-structure))
- (cond ((eq field-name 'Content-Type)
- (mime-entity-content-type entity)
- )
- ((eq field-name 'Content-Disposition)
- (mime-entity-content-disposition entity)
- )
- ((eq field-name 'Content-Transfer-Encoding)
- (mime-entity-encoding entity)
- )
- (t
- (let* ((header (mime-entity-parsed-header-internal entity))
- (field (cdr (assq field-name header))))
- (or field
- (let ((field-body (mime-fetch-field field-name entity))
- parser)
- (when field-body
- (setq parser
- (cdr (assq field-name mime-field-parser-alist)))
- (setq field
- (if parser
- (funcall parser
- (eword-lexical-analyze field-body))
- (mime-decode-field-body
- field-body field-name 'plain)
- ))
- (mime-entity-set-parsed-header-internal
- entity (put-alist field-name field header))
- field)))))))
-
-(mm-define-generic insert-header (entity &optional invisible-fields
- visible-fields)
+(defun mime-entity-read-field (entity field-name)
+ (let ((sym (if (symbolp field-name)
+ (prog1
+ field-name
+ (setq field-name (symbol-name field-name)))
+ (intern (capitalize field-name)))))
+ (cond ((eq sym 'Content-Type)
+ (mime-entity-content-type entity)
+ )
+ ((eq sym 'Content-Disposition)
+ (mime-entity-content-disposition entity)
+ )
+ ((eq sym 'Content-Transfer-Encoding)
+ (mime-entity-encoding entity)
+ )
+ (t
+ (let* ((header (mime-entity-parsed-header-internal entity))
+ (field (cdr (assq sym header))))
+ (or field
+ (let ((field-body (mime-entity-fetch-field entity field-name))
+ parser)
+ (when field-body
+ (setq parser
+ (cdr (assq sym mime-field-parser-alist)))
+ (setq field
+ (if parser
+ (funcall parser
+ (eword-lexical-analyze field-body))
+ (mime-decode-field-body field-body sym 'plain)
+ ))
+ (mime-entity-set-parsed-header-internal
+ entity (put-alist sym field header))
+ field))))))))
+
+;; (defun mime-read-field (field-name &optional entity)
+;; (or entity
+;; (setq entity mime-message-structure))
+;; (mime-entity-read-field entity field-name)
+;; )
+;; (make-obsolete 'mime-read-field 'mime-entity-read-field)
+
+(luna-define-generic mime-insert-header (entity &optional invisible-fields
+ visible-fields)
"Insert before point a decoded header of ENTITY.")
-(define-obsolete-function-alias
- 'mime-insert-decoded-header 'mime-insert-header)
-
;;; @ Entity Attributes
;;;
+(luna-define-generic mime-entity-name (entity)
+ "Return name of the ENTITY.")
+
(defun mime-entity-uu-filename (entity)
(if (member (mime-entity-encoding entity) mime-uuencode-encoding-name-list)
- (save-excursion
- (set-buffer (mime-entity-buffer entity))
- (goto-char (mime-entity-body-start entity))
- (if (re-search-forward "^begin [0-9]+ "
- (mime-entity-body-end entity) t)
+ (with-temp-buffer
+ (mime-insert-entity-body entity)
+ (if (re-search-forward "^begin [0-9]+ " nil t)
(if (looking-at ".+$")
(buffer-substring (match-beginning 0)(match-end 0))
)))))
(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))
-;;; @ Entity Content
-;;;
-
-(mm-define-generic entity-content (entity)
- "Return content of ENTITY as byte sequence (string).")
-
-(mm-define-generic insert-entity-content (entity)
- "Insert content of ENTITY at point.")
-
-(mm-define-generic write-entity-content (entity filename)
- "Write content of ENTITY into FILENAME.")
-
-(mm-define-generic insert-text-content (entity)
- "Insert decoded text body of ENTITY.")
-
-(mm-define-generic insert-entity (entity)
- "Insert header and body of ENTITY at point.")
-
-(mm-define-generic write-entity (entity filename)
- "Write header and body of ENTITY into FILENAME.")
-
-(mm-define-generic write-entity-body (entity filename)
- "Write body of ENTITY into FILENAME.")
+(defun mime-entity-set-encoding (entity encoding)
+ "Set ENTITY's content-transfer-encoding to ENCODING."
+ (mime-entity-set-encoding-internal entity encoding))
;;; @ end
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