;;; 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)
(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)))
+;;; @ Content-Id / Message-Id
+;;;
+
+;;;###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-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
;;;
(mime-entity-set-children-internal entity (nreverse children))
)
(mime-entity-set-content-type-internal
- entity (make-mime-content-type 'application 'octet-stream))
+ entity (make-mime-content-type 'message 'x-broken))
nil)
)))
(make-mime-entity-internal representation-type
(current-buffer)
content-type nil parent node-id
+ nil nil nil nil
+ nil nil nil nil
+ nil nil
(current-buffer)
header-start header-end
body-start body-end)