X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=mime-parse.el;h=e22747d2f3a2b36b1f260ab0a70147cc20e319d7;hb=f55917e09763881ae4befe43777178e1e08a0720;hp=fe341f97d2ab31f68677841bb861b78944f225fd;hpb=d14a1b8290815a5b76143ff1f2c40bea1df82f4e;p=elisp%2Fflim.git diff --git a/mime-parse.el b/mime-parse.el index fe341f9..e22747d 100644 --- a/mime-parse.el +++ b/mime-parse.el @@ -1,6 +1,6 @@ ;;; 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 ;; Keywords: parse, MIME, multimedia, mail, news @@ -24,7 +24,7 @@ ;;; Code: -(require 'emu) +;;(require 'emu) (require 'std11) (require 'mime-def) @@ -96,13 +96,16 @@ and return parsed it. Format of return value is as same as ;;; @ 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) @@ -128,13 +131,21 @@ and return parsed it." ;;; @ Content-Transfer-Encoding ;;; +;;;###autoload (defun mime-parse-Content-Transfer-Encoding (string) "Parse STRING as field-body of Content-Transfer-Encoding field." - (if (string-match "[ \t\n\r]+$" string) - (setq string (match-string 0 string)) - ) - (downcase string)) + (let ((tokens (std11-lexical-analyze string)) + token) + (while (and tokens + (setq token (car tokens)) + (std11-ignored-token-p token)) + (setq tokens (cdr tokens))) + (if token + (if (eq (car token) 'atom) + (downcase (cdr token)) + )))) +;;;###autoload (defun mime-read-Content-Transfer-Encoding (&optional default-encoding) "Read field-body of Content-Transfer-Encoding field from current-buffer, and return it. @@ -148,28 +159,13 @@ If is is not found, return DEFAULT-ENCODING." ;;; @ message parser ;;; -(defalias 'mime-entity-point-min 'mime-entity-header-start) -(defalias 'mime-entity-point-max 'mime-entity-body-end) - -(defsubst mime-entity-media-type (entity) - (mime-content-type-primary-type (mime-entity-content-type entity))) -(defsubst mime-entity-media-subtype (entity) - (mime-content-type-subtype (mime-entity-content-type entity))) -(defsubst mime-entity-parameters (entity) - (mime-content-type-parameters (mime-entity-content-type entity))) - -(defsubst mime-entity-type/subtype (entity-info) - (mime-type/subtype-string (mime-entity-media-type entity-info) - (mime-entity-media-subtype entity-info))) - -(defun mime-parse-multipart (header-start header-end body-start body-end - content-type content-disposition - encoding node-id) +(defun mime-parse-multipart (entity) (goto-char (point-min)) - (let* ((dash-boundary - (concat "--" - (std11-strip-quoted-string - (mime-content-type-parameter content-type "boundary")))) + (let* ((representation-type + (mime-entity-representation-type-internal entity)) + (content-type (mime-entity-content-type-internal entity)) + (dash-boundary + (concat "--" (mime-content-type-parameter content-type "boundary"))) (delimiter (concat "\n" (regexp-quote dash-boundary))) (close-delimiter (concat delimiter "--[ \t]*$")) (rsep (concat delimiter "[ \t]*\n")) @@ -178,7 +174,8 @@ If is is not found, return DEFAULT-ENCODING." (make-mime-content-type 'message 'rfc822) (make-mime-content-type 'text 'plain) )) - cb ce ret ncb children (i 0)) + (header-end (mime-entity-header-end-internal entity)) + (body-end (mime-entity-body-end-internal entity))) (save-restriction (goto-char body-end) (narrow-to-region header-end @@ -186,140 +183,97 @@ If is is not found, return DEFAULT-ENCODING." (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)) - )) + (if (re-search-forward rsep 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-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-parse-encapsulated (entity) + (mime-entity-set-children-internal + entity + (save-restriction + (narrow-to-region (mime-entity-body-start-internal entity) + (mime-entity-body-end-internal 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 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) - )) + (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) )) ;;; @ for buffer ;;; -(defvar mime-message-structure nil - "Information about structure of message. -Please use reference function `mime-entity-SLOT' to get value of SLOT. - -Following is a list of slots of the structure: - -buffer buffer includes this entity (buffer). -node-id node-id (list of integers) -header-start minimum point of header in raw-buffer -header-end maximum point of header in raw-buffer -body-start minimum point of body in raw-buffer -body-end maximum point of body in raw-buffer -content-type content-type (content-type) -content-disposition content-disposition (content-disposition) -encoding Content-Transfer-Encoding (string or nil) -children entities included in this entity (list of entity) - -If an entity includes other entities in its body, such as multipart or -message/rfc822, `mime-entity' structures of them are included in -`children', so the `mime-entity' structure become a tree.") -(make-variable-buffer-local 'mime-message-structure) - -(defun mime-parse-buffer (&optional 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)) + (setq mime-message-structure + (mime-parse-message (or representation-type 'buffer) nil)) )) -;;; @ utilities -;;; - -(defsubst mime-root-entity-p (entity) - "Return t if ENTITY is root-entity (message)." - (null (mime-entity-node-id entity))) - - ;;; @ end ;;;