;; Copyright (C) 1994,1995,1996,1997,1998,1999 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Keiichi Suzuki <keiichi@nanap.org>
;; Keywords: parse, MIME, multimedia, mail, news
;; This file is part of SEMI (Spadework for Emacs MIME Interfaces).
;;; 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)
+ (while (and token
+ (eq (car token) 'tpecials)
+ (string= (cdr token) ";")
+ )
+ (if (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 (if (eq (caar lrl) 'quoted-string)
+ (std11-strip-quoted-pair (cdar lrl))
+ (cdar lrl)
+ )))
+ (setq lrl (mime-parse-parameters-skip-to-next-token (cdr lrl))
+ token (car lrl)
+ rest (cons val rest)
+ rest (cons name rest)
+ )
+ (setq token nil)))
+ (mime-parse-parameters-from-list rest)))
+
+(defun mime-parse-parameters-from-list (list)
+ (let (rest name val)
+ (while list
+ (let ((name (car list))
+ (val (cadr list)))
+ (setq list (cddr list))
+ (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 (progn
+ (setq name (downcase (substring name
+ (match-beginning 1)
+ (match-end 1))))
+ (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)))))
+ 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
entity
(with-current-buffer (mime-entity-body-buffer entity)
(save-restriction
- (narrow-to-region (mime-buffer-entity-body-start-internal entity)
- (mime-buffer-entity-body-end-internal entity))
+ (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))))
(save-excursion
(if buffer (set-buffer buffer))
(setq mime-message-structure
- (mime-parse-message (or representation-type 'buffer) nil))
+ (mime-parse-message (or representation-type
+ 'mime-buffer-entity) nil))
))
projects / elisp / flim.git / blobdiff