;;; mime-parse.el --- MIME message parser
-;; Copyright (C) 1994,1995,1996,1997,1998 Free Software Foundation, Inc.
+;; Copyright (C) 1994,1995,1996,1997,1998,1999 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
;; Keywords: parse, MIME, multimedia, mail, news
;;; Code:
-(require 'emu)
-(require 'std11)
(require 'mime-def)
+(require 'std11)
+
+(autoload 'mime-entity-body-buffer "mime")
+(autoload 'mime-entity-body-start-point "mime")
+(autoload 'mime-entity-body-end-point "mime")
-(eval-when-compile (require 'cl))
+
+;;; @ lexical analyzer
+;;;
+
+(defcustom mime-lexical-analyzer
+ '(std11-analyze-quoted-string
+ std11-analyze-domain-literal
+ std11-analyze-comment
+ std11-analyze-spaces
+ mime-analyze-tspecial
+ mime-analyze-token)
+ "*List of functions to return result of lexical analyze.
+Each function must have two arguments: STRING and START.
+STRING is the target string to be analyzed.
+START is start position of STRING to analyze.
+
+Previous function is preferred to next function. If a function
+returns nil, next function is used. Otherwise the return value will
+be the result."
+ :group 'mime
+ :type '(repeat function))
+
+(defun mime-analyze-tspecial (string start)
+ (if (and (> (length string) start)
+ (memq (aref string start) mime-tspecial-char-list))
+ (cons (cons 'tpecials (substring string start (1+ start)))
+ (1+ start))
+ ))
+
+(defun mime-analyze-token (string start)
+ (if (and (string-match mime-token-regexp string start)
+ (= (match-beginning 0) start))
+ (let ((end (match-end 0)))
+ (cons (cons 'mime-token (substring string start end))
+ ;;(substring string end)
+ end)
+ )))
;;; @ field parser
;;; @ Content-Disposition
;;;
-(defconst mime-disposition-type-regexp mime-token-regexp)
+(eval-and-compile
+ (defconst mime-disposition-type-regexp mime-token-regexp)
+ )
;;;###autoload
(defun mime-parse-Content-Disposition (string)
"Parse STRING as field-body of Content-Disposition field."
(setq string (std11-unfold-string string))
- (if (string-match `,(concat "^" mime-disposition-type-regexp) string)
+ (if (string-match (eval-when-compile
+ (concat "^" mime-disposition-type-regexp)) string)
(let* ((e (match-end 0))
(type (downcase (substring string 0 e)))
ret dest)
;;;###autoload
(defun mime-parse-Content-Transfer-Encoding (string)
"Parse STRING as field-body of Content-Transfer-Encoding field."
- (if (string-match "[ \t\n\r]+$" string)
- (setq string (match-string 0 string))
- )
- (downcase string))
+ (let ((tokens (std11-lexical-analyze string mime-lexical-analyzer))
+ token)
+ (while (and tokens
+ (setq token (car tokens))
+ (std11-ignored-token-p token))
+ (setq tokens (cdr tokens)))
+ (if token
+ (if (eq (car token) 'mime-token)
+ (downcase (cdr token))
+ ))))
;;;###autoload
(defun mime-read-Content-Transfer-Encoding (&optional default-encoding)
default-encoding)))
-;;; @ message parser
+;;; @ Content-Id / Message-Id
;;;
-(defun mime-parse-multipart (header-start header-end body-start body-end
- content-type content-disposition
- encoding node-id)
- (goto-char (point-min))
- (let* ((dash-boundary
- (concat "--"
- (std11-strip-quoted-string
- (mime-content-type-parameter content-type "boundary"))))
- (delimiter (concat "\n" (regexp-quote dash-boundary)))
- (close-delimiter (concat delimiter "--[ \t]*$"))
- (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)
- ))
- cb ce ret ncb children (i 0))
- (save-restriction
- (goto-char body-end)
- (narrow-to-region header-end
- (if (re-search-backward close-delimiter nil t)
- (match-beginning 0)
- body-end))
- (goto-char header-end)
- (re-search-forward rsep nil t)
- (setq cb (match-end 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 dc-ctl "7bit" (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 dc-ctl "7bit" (cons i node-id)))
- )
- (setq children (cons ret children))
- )
- (make-mime-entity (current-buffer)
- header-start header-end body-start body-end
- node-id content-type content-disposition encoding
- (nreverse children))
- ))
+;;;###autoload
+(defun mime-parse-msg-id (tokens)
+ "Parse TOKENS as msg-id of Content-Id or Message-Id field."
+ (car (std11-parse-msg-id tokens)))
;;;###autoload
-(defun mime-parse-message (&optional default-ctl default-encoding node-id)
- "Parse current-buffer as a MIME message.
-DEFAULT-CTL is used when an entity does not have valid Content-Type
-field. Its format must be as same as return value of
-mime-{parse|read}-Content-Type."
+(defun mime-uri-parse-cid (string)
+ "Parse STRING as cid URI."
+ (inline
+ (mime-parse-msg-id (cons '(specials . "<")
+ (nconc
+ (cdr (cdr (std11-lexical-analyze string)))
+ '((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-external (entity)
+;; (require 'mmexternal)
+;; (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-external-entity nil
+;; entity (cons 0 (mime-entity-node-id-internal entity))))
+;; ;; [tomo] Should we unify with `mime-parse-encapsulated'?
+;; ))))
+
+(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 content-disposition encoding
- primary-type)
+ content-type)
(goto-char header-start)
(if (re-search-forward "^$" nil t)
(setq header-end (match-end 0)
- body-start (1+ header-end))
+ body-start (if (= header-end body-end)
+ body-end
+ (1+ header-end)))
(setq header-end (point-min)
- body-start (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)
- content-disposition (let ((str (std11-fetch-field
- "Content-Disposition")))
- (if str
- (mime-parse-Content-Disposition str)
- ))
- encoding (let ((str (std11-fetch-field
- "Content-Transfer-Encoding")))
- (if str
- (mime-parse-Content-Transfer-Encoding str)
- default-encoding))
- primary-type (mime-content-type-primary-type content-type))
+ default-ctl))
)
- (cond ((eq primary-type 'multipart)
- (mime-parse-multipart header-start header-end
- body-start body-end
- content-type content-disposition encoding
- node-id)
- )
- ((and (eq primary-type 'message)
- (memq (mime-content-type-subtype content-type)
- '(rfc822 news external-body)
- ))
- (make-mime-entity (current-buffer)
- header-start header-end body-start body-end
- node-id
- content-type content-disposition encoding
- (save-restriction
- (narrow-to-region body-start body-end)
- (list (mime-parse-message
- nil nil (cons 0 node-id)))
- ))
- )
- (t
- (make-mime-entity (current-buffer)
- header-start header-end body-start body-end
- node-id
- content-type content-disposition encoding nil)
- ))
+ (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)
))
;;;
;;;###autoload
-(defun mime-parse-buffer (&optional buffer)
+(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))
- ))
+ (mime-parse-message (or representation-type
+ 'mime-buffer-entity) nil)))
;;; @ end
projects / elisp / flim.git / blobdiff