;;; Code:
-(require 'std11)
(require 'mime-def)
+(require 'std11)
-(eval-when-compile (require 'cl))
+(autoload 'mime-entity-body-buffer "mime")
+(autoload 'mime-entity-body-start-point "mime")
+(autoload 'mime-entity-body-end-point "mime")
;;; @ lexical analyzer
;;; @ field parser
;;;
-(defconst mime/content-parameter-value-regexp
- (concat "\\("
- std11-quoted-string-regexp
- "\\|[^; \t\n]*\\)"))
-
-(defconst mime::parameter-regexp
- (concat "^[ \t]*\;[ \t]*\\(" mime-token-regexp "\\)"
- "[ \t]*=[ \t]*\\(" mime/content-parameter-value-regexp "\\)"))
-
-(defun mime-parse-parameter (str)
- (if (string-match mime::parameter-regexp str)
- (let ((e (match-end 2)))
- (cons
- (cons (downcase (substring str (match-beginning 1) (match-end 1)))
- (std11-strip-quoted-string
- (substring str (match-beginning 2) e))
- )
- (substring str e)
- ))))
-
+(defun mime-parse-parameters-skip-to-next-token (lrl)
+ (while (and lrl
+ (memq (caar lrl) '(comment spaces)))
+ (setq lrl (cdr lrl))
+ )
+ (if (eq (caar lrl) 'error)
+ nil
+ lrl))
+
+(defun mime-parse-parameters (str)
+ (let* ((lrl (std11-lexical-analyze str mime-lexical-analyzer))
+ (token (car lrl))
+ rest name val)
+ (catch 'parse-error
+ (while (and token
+ (eq (car token) 'tpecials)
+ (string= (cdr token) ";")
+ )
+ (setq token nil)
+ (when (and (setq lrl (mime-parse-parameters-skip-to-next-token
+ (cdr lrl)
+ ))
+ (setq name (cdar lrl))
+ (setq lrl (mime-parse-parameters-skip-to-next-token
+ (cdr lrl)
+ ))
+ (string= (cdar lrl) "=")
+ (setq lrl (mime-parse-parameters-skip-to-next-token
+ (cdr lrl)
+ ))
+ (setq val (cdar lrl)))
+ (when (string-match "^\\([^*]+\\)\\(\\*\\([0-9]+\\)\\)?\\(\\*\\)?"
+ name)
+ (let ((number (if (match-beginning 3)
+ (string-to-int (substring name
+ (match-beginning 3)
+ (match-end 3)
+ ))
+ 0))
+ (encoded (if (match-beginning 4) t nil))
+ parm)
+ (setq name (substring name (match-beginning 1) (match-end 1))
+ parm (or (assoc name rest)
+ (car (setq rest
+ (cons (make-mime-parameter name)
+ rest)))))
+ (when (and (eq number 0)
+ encoded
+ (string-match "^\\([^']*\\)'\\([^']*\\)'\\(.*\\)"
+ val))
+ (when (< (match-beginning 1) (match-end 1))
+ (mime-parameter-set-charset
+ parm
+ (intern (downcase (substring val
+ (match-beginning 1)
+ (match-end 1)
+ )))))
+ (when (< (match-beginning 2) (match-end 2))
+ (mime-parameter-set-language
+ parm
+ (intern (downcase (substring val
+ (match-beginning 2)
+ (match-end 2)
+ )))))
+ (setq val (substring val (match-beginning 3)))
+ )
+ (mime-parameter-append-raw-value parm number encoded val)
+ (setq lrl (mime-parse-parameters-skip-to-next-token
+ (cdr lrl)
+ )
+ token (car lrl)
+ ))))))
+ rest))
;;; @ Content-Type
;;;
;;;###autoload
(defun mime-parse-Content-Type (string)
- "Parse STRING as field-body of Content-Type field.
-Return value is
- (PRIMARY-TYPE SUBTYPE (NAME1 . VALUE1)(NAME2 . VALUE2) ...)
-or nil. PRIMARY-TYPE and SUBTYPE are symbol and NAME_n and VALUE_n
-are string."
+ "Parse STRING as field-body of Content-Type field."
(setq string (std11-unfold-string string))
(if (string-match `,(concat "^\\(" mime-token-regexp
"\\)/\\(" mime-token-regexp "\\)") string)
(substring string (match-beginning 2) (match-end 2))))
ret dest)
(setq string (substring string (match-end 0)))
- (while (setq ret (mime-parse-parameter string))
- (setq dest (cons (car ret) dest)
- string (cdr ret))
- )
(make-mime-content-type (intern type)(intern subtype)
- (nreverse dest))
- )))
+ (nreverse (mime-parse-parameters string))
+ ))))
;;;###autoload
(defun mime-read-Content-Type ()
"Read field-body of Content-Type field from current-buffer,
-and return parsed it. Format of return value is as same as
-`mime-parse-Content-Type'."
+and return parsed it."
(let ((str (std11-field-body "Content-Type")))
(if str
(mime-parse-Content-Type str)
(type (downcase (substring string 0 e)))
ret dest)
(setq string (substring string e))
- (while (setq ret (mime-parse-parameter string))
- (setq dest (cons (car ret) dest)
- string (cdr ret))
- )
(cons (cons 'type (intern type))
- (nreverse dest))
+ (nreverse (mime-parse-parameters string)))
)))
;;;###autoload
'((specials . ">")))))))
+;;; @ message parser
+;;;
+
+(defun mime-parse-multipart (entity)
+ (with-current-buffer (mime-entity-body-buffer entity)
+ (let* ((representation-type
+ (mime-entity-representation-type-internal entity))
+ (content-type (mime-entity-content-type-internal entity))
+ (dash-boundary
+ (concat "--"
+ (mime-content-type-parameter content-type "boundary")))
+ (delimiter (concat "\n" (regexp-quote dash-boundary)))
+ (close-delimiter (concat delimiter "--[ \t]*$"))
+ (rsep (concat delimiter "[ \t]*\n"))
+ (dc-ctl
+ (if (eq (mime-content-type-subtype content-type) 'digest)
+ (make-mime-content-type 'message 'rfc822)
+ (make-mime-content-type 'text 'plain)
+ ))
+ (body-start (mime-entity-body-start-point entity))
+ (body-end (mime-entity-body-end-point entity)))
+ (save-restriction
+ (goto-char body-end)
+ (narrow-to-region body-start
+ (if (re-search-backward close-delimiter nil t)
+ (match-beginning 0)
+ body-end))
+ (goto-char body-start)
+ (if (re-search-forward
+ (concat "^" (regexp-quote dash-boundary) "[ \t]*\n")
+ nil t)
+ (let ((cb (match-end 0))
+ ce ncb ret children
+ (node-id (mime-entity-node-id-internal entity))
+ (i 0))
+ (while (re-search-forward rsep nil t)
+ (setq ce (match-beginning 0))
+ (setq ncb (match-end 0))
+ (save-restriction
+ (narrow-to-region cb ce)
+ (setq ret (mime-parse-message representation-type dc-ctl
+ entity (cons i node-id)))
+ )
+ (setq children (cons ret children))
+ (goto-char (setq cb ncb))
+ (setq i (1+ i))
+ )
+ (setq ce (point-max))
+ (save-restriction
+ (narrow-to-region cb ce)
+ (setq ret (mime-parse-message representation-type dc-ctl
+ entity (cons i node-id)))
+ )
+ (setq children (cons ret children))
+ (mime-entity-set-children-internal entity (nreverse children))
+ )
+ (mime-entity-set-content-type-internal
+ entity (make-mime-content-type 'message 'x-broken))
+ nil)
+ ))))
+
+(defun mime-parse-encapsulated (entity)
+ (mime-entity-set-children-internal
+ entity
+ (with-current-buffer (mime-entity-body-buffer entity)
+ (save-restriction
+ (narrow-to-region (mime-entity-body-start-point entity)
+ (mime-entity-body-end-point entity))
+ (list (mime-parse-message
+ (mime-entity-representation-type-internal entity) nil
+ entity (cons 0 (mime-entity-node-id-internal entity))))
+ ))))
+
+(defun mime-parse-message (representation-type &optional default-ctl
+ parent node-id)
+ (let ((header-start (point-min))
+ header-end
+ body-start
+ (body-end (point-max))
+ content-type)
+ (goto-char header-start)
+ (if (re-search-forward "^$" nil t)
+ (setq header-end (match-end 0)
+ body-start (if (= header-end body-end)
+ body-end
+ (1+ header-end)))
+ (setq header-end (point-min)
+ body-start (point-min)))
+ (save-restriction
+ (narrow-to-region header-start header-end)
+ (setq content-type (or (let ((str (std11-fetch-field "Content-Type")))
+ (if str
+ (mime-parse-Content-Type str)
+ ))
+ default-ctl))
+ )
+ (luna-make-entity representation-type
+ :location (current-buffer)
+ :content-type content-type
+ :parent parent
+ :node-id node-id
+ :buffer (current-buffer)
+ :header-start header-start
+ :header-end header-end
+ :body-start body-start
+ :body-end body-end)
+ ))
+
+
+;;; @ for buffer
+;;;
+
+;;;###autoload
+(defun mime-parse-buffer (&optional buffer representation-type)
+ "Parse BUFFER as a MIME message.
+If buffer is omitted, it parses current-buffer."
+ (save-excursion
+ (if buffer (set-buffer buffer))
+ (setq mime-message-structure
+ (mime-parse-message (or representation-type
+ 'mime-buffer-entity) nil))
+ ))
+
;;; @ end
;;;
projects / elisp / flim.git / blobdiff