X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=mime-parse.el;h=5442896683182267bc68435b5f637983c57fe7f0;hb=3289614859eb6669c1060077286b2842dd58315c;hp=fa20a85c5f83eac36d043d2a9391675f7cc2cc01;hpb=7d591c9ac2ebd788b1c667e0f5dadf46f6f9d47f;p=elisp%2Fflim.git diff --git a/mime-parse.el b/mime-parse.el index fa20a85..5442896 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 @@ -24,11 +24,50 @@ ;;; 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") + + +;;; @ lexical analyzer +;;; -(eval-when-compile (require 'cl)) +(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 @@ -96,13 +135,16 @@ 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) @@ -131,10 +173,16 @@ and return parsed it." ;;;###autoload (defun mime-parse-Content-Transfer-Encoding (string) "Parse STRING as field-body of Content-Transfer-Encoding field." - (if (string-match "[ \t\n\r]+$" string) - (setq string (match-string 0 string)) - ) - (downcase string)) + (let ((tokens (std11-lexical-analyze string mime-lexical-analyzer)) + token) + (while (and tokens + (setq token (car tokens)) + (std11-ignored-token-p token)) + (setq tokens (cdr tokens))) + (if token + (if (eq (car token) 'mime-token) + (downcase (cdr token)) + )))) ;;;###autoload (defun mime-read-Content-Transfer-Encoding (&optional default-encoding) @@ -147,74 +195,96 @@ If is is not found, return DEFAULT-ENCODING." default-encoding))) +;;; @ Content-Id / Message-Id +;;; + +;;;###autoload +(defun mime-parse-msg-id (tokens) + "Parse TOKENS as msg-id of Content-Id or Message-Id field." + (car (std11-parse-msg-id tokens))) + +;;;###autoload +(defun mime-uri-parse-cid (string) + "Parse STRING as cid URI." + (inline + (mime-parse-msg-id (cons '(specials . "<") + (nconc + (cdr (cdr (std11-lexical-analyze string))) + '((specials . ">"))))))) + + ;;; @ message parser ;;; (defun mime-parse-multipart (entity) - (goto-char (point-min)) - (let* ((representation-type - (mime-entity-representation-type-internal entity)) - (content-type (mime-entity-content-type-internal entity)) - (dash-boundary - (concat "--" (mime-content-type-parameter content-type "boundary"))) - (delimiter (concat "\n" (regexp-quote dash-boundary))) - (close-delimiter (concat delimiter "--[ \t]*$")) - (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) - )) - (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 - (if (re-search-backward close-delimiter nil t) - (match-beginning 0) - body-end)) - (goto-char header-end) - (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)) + (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)) - (goto-char (setq cb ncb)) - (setq i (1+ i)) + (mime-entity-set-children-internal entity (nreverse children)) ) - (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) - ))) + (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 - (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)))) - ))) + (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) @@ -239,12 +309,16 @@ If is is not found, return DEFAULT-ENCODING." )) default-ctl)) ) - (make-mime-entity-internal representation-type - (current-buffer) - content-type nil parent node-id - (current-buffer) - header-start header-end - body-start body-end) + (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) )) @@ -258,7 +332,8 @@ 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 'buffer) nil)) + (mime-parse-message (or representation-type + 'mime-buffer-entity) nil)) ))