"Parse BUFFER as a MIME message.")
-;;; @ MIME entity
+;;; @ Entity Representation and Implementation
;;;
-(defun mime-entity-fetch-field (entity field-name)
+(defvar mime-entity-implementation-alist nil)
+
+(defsubst mime-find-function (service type)
+ (let ((imps (cdr (assq type mime-entity-implementation-alist))))
+ (if imps
+ (let ((func (cdr (assq service imps))))
+ (unless func
+ (setq func (intern (format "mm%s-%s" type service)))
+ (set-alist 'mime-entity-implementation-alist
+ type (put-alist service func imps))
+ )
+ func)
+ (let ((prefix (format "mm%s" type)))
+ (require (intern prefix))
+ (let ((func (intern (format "%s-%s" prefix service))))
+ (set-alist 'mime-entity-implementation-alist
+ type
+ (list (cons service func)))
+ func)))))
+
+(defsubst mime-entity-function (entity service)
+ (mime-find-function service
+ (mime-entity-representation-type-internal entity)))
+
+(defsubst mime-entity-send (entity service &rest args)
+ (apply (mime-find-function
+ service (mime-entity-representation-type-internal entity))
+ entity
+ 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."
+ (funcall (mime-find-function 'open-entity type) location)
+ )
+
+(defun mime-entity-cooked-p (entity)
+ "Return non-nil if contents of ENTITY has been already code-converted."
+ (funcall (mime-entity-function entity 'cooked-p))
+ )
+
+
+;;; @ Entity as node of message
+;;;
+
+(defalias 'mime-entity-children 'mime-entity-children-internal)
+
+(defalias 'mime-entity-node-id 'mime-entity-node-id-internal)
+
+(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))
+ (let ((sn (car entity-number)))
+ (if (null sn)
+ message
+ (let ((rc (nth sn (mime-entity-children message))))
+ (if rc
+ (mime-find-entity-from-number (cdr entity-number) rc)
+ ))
+ )))
+
+(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."
+ (mime-find-entity-from-number (reverse entity-node-id) message))
+
+(defun mime-entity-parent (entity &optional message)
+ "Return mother entity of ENTITY.
+If MESSAGE is not specified, `mime-message-structure' in the buffer of
+ENTITY is used."
+ (mime-find-entity-from-node-id
+ (cdr (mime-entity-node-id entity))
+ (or message
+ (save-excursion
+ (set-buffer (mime-entity-buffer entity))
+ mime-message-structure))))
+
+(defun mime-root-entity-p (entity)
+ "Return t if ENTITY is root-entity (message)."
+ (null (mime-entity-node-id entity)))
+
+
+;;; @ Entity Buffer
+;;;
+
+(defun mime-entity-buffer (entity)
+ (or (mime-entity-buffer-internal entity)
+ (mime-entity-send entity 'entity-buffer)))
+
+(defun mime-entity-point-min (entity)
+ (mime-entity-send entity 'entity-point-min))
+
+(defun mime-entity-point-max (entity)
+ (mime-entity-send entity 'entity-point-max))
+
+(defun mime-entity-header-start (entity)
+ (or (mime-entity-header-start-internal entity)
+ (mime-entity-send entity 'entity-header-start)))
+
+(defun mime-entity-header-end (entity)
+ (or (mime-entity-header-end-internal entity)
+ (mime-entity-send entity 'entity-header-end)))
+
+(defun mime-entity-body-start (entity)
+ (or (mime-entity-body-start-internal entity)
+ (mime-entity-send entity 'entity-body-start)))
+
+(defun mime-entity-body-end (entity)
+ (or (mime-entity-body-end-internal entity)
+ (mime-entity-send entity 'entity-body-end)))
+
+
+;;; @ Entity Header
+;;;
+
+(defun mime-fetch-field (field-name &optional entity)
(or (symbolp field-name)
(setq field-name (intern (capitalize (capitalize field-name)))))
- (let* ((header (mime-entity-original-header entity))
+ (or entity
+ (setq entity mime-message-structure))
+ (let* ((header (mime-entity-original-header-internal entity))
(field-body (cdr (assq field-name header))))
(or field-body
(progn
- (if (save-excursion
- (set-buffer (mime-entity-buffer entity))
- (save-restriction
- (narrow-to-region (mime-entity-header-start entity)
- (mime-entity-header-end entity))
- (setq field-body
- (std11-fetch-field (symbol-name field-name)))
- ))
- (mime-entity-set-original-header
+ (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))))
-(defun mime-entity-read-field (entity field-name)
+(defalias 'mime-entity-content-type 'mime-entity-content-type-internal)
+
+(defun mime-entity-content-disposition (entity)
+ (or (mime-entity-content-disposition-internal entity)
+ (let ((ret (mime-fetch-field 'Content-Disposition entity)))
+ (if ret
+ (let ((disposition (mime-parse-Content-Disposition ret)))
+ (when disposition
+ (mime-entity-set-content-disposition-internal
+ entity disposition)
+ disposition))))))
+
+(defun mime-entity-encoding (entity &optional default-encoding)
+ (or (mime-entity-encoding-internal entity)
+ (let ((encoding
+ (or (let ((ret (mime-fetch-field
+ 'Content-Transfer-Encoding entity)))
+ (and ret (mime-parse-Content-Transfer-Encoding ret)))
+ default-encoding "7bit")))
+ (mime-entity-set-encoding-internal entity encoding)
+ encoding)))
+
+(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)
)
(mime-entity-encoding entity)
)
(t
- (let* ((header (mime-entity-parsed-header entity))
+ (let* ((header (mime-entity-parsed-header-internal entity))
(field (cdr (assq field-name header))))
(or field
- (let ((field-body (mime-entity-fetch-field entity field-name)))
+ (let ((field-body (mime-fetch-field field-name entity)))
(when field-body
(cond ((memq field-name '(From Resent-From
To Resent-To
(setq field (std11-parse-addresses
(eword-lexical-analyze field-body)))
)
- ((eq field-name '(Sender Resent-Sender))
+ ((memq field-name '(Sender Resent-Sender))
(setq field (std11-parse-address
(eword-lexical-analyze field-body)))
)
(setq field (eword-decode-unstructured-field-body
field-body))
))
- (mime-entity-set-parsed-header
+ (mime-entity-set-parsed-header-internal
entity (put-alist field-name field header))
field)))))))
+(defun eword-visible-field-p (field-name visible-fields invisible-fields)
+ (or (catch 'found
+ (while visible-fields
+ (let ((regexp (car visible-fields)))
+ (if (string-match regexp field-name)
+ (throw 'found t)
+ ))
+ (setq visible-fields (cdr visible-fields))
+ ))
+ (catch 'found
+ (while invisible-fields
+ (let ((regexp (car invisible-fields)))
+ (if (string-match regexp field-name)
+ (throw 'found nil)
+ ))
+ (setq invisible-fields (cdr invisible-fields))
+ )
+ t)))
+
+(defun mime-insert-decoded-header (entity &optional invisible-fields
+ visible-fields)
+ "Insert before point a decoded header of ENTITY."
+ (mime-entity-send entity 'insert-decoded-header
+ invisible-fields visible-fields))
+
+
+;;; @ Entity Attributes
+;;;
+
+(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)
+ (if (looking-at ".+$")
+ (buffer-substring (match-beginning 0)(match-end 0))
+ )))))
+
+(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))
+ ))))
+
+
+(defsubst mime-entity-media-type (entity)
+ (mime-content-type-primary-type (mime-entity-content-type entity)))
+(defsubst mime-entity-media-subtype (entity)
+ (mime-content-type-subtype (mime-entity-content-type entity)))
+(defsubst mime-entity-parameters (entity)
+ (mime-content-type-parameters (mime-entity-content-type entity)))
+(defsubst mime-entity-type/subtype (entity-info)
+ (mime-type/subtype-string (mime-entity-media-type entity-info)
+ (mime-entity-media-subtype entity-info)))
+
+
+;;; @ Entity Content
+;;;
+
(defun mime-entity-content (entity)
- (save-excursion
- (set-buffer (mime-entity-buffer entity))
- (mime-decode-string (buffer-substring (mime-entity-body-start entity)
- (mime-entity-body-end entity))
- (mime-entity-encoding entity))))
+ (mime-entity-send entity 'entity-content))
-(defsubst mime-root-entity-p (entity)
- "Return t if ENTITY is root-entity (message)."
- (null (mime-entity-node-id entity)))
+(defun mime-write-entity-content (entity filename)
+ "Write content of ENTITY into FILENAME."
+ (mime-entity-send entity 'write-entity-content filename))
+
+(defun mime-write-entity (entity filename)
+ "Write ENTITY into FILENAME."
+ (mime-entity-send entity 'write-entity filename))
+
+(defun mime-write-entity-body (entity filename)
+ "Write body of ENTITY into FILENAME."
+ (mime-entity-send entity 'write-entity-body filename))
;;; @ end
projects / elisp / flim.git / blobdiff