X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=mime-parse.el;h=f3e696cdc944d4daad2140e8d75bfa033a395933;hb=e5e4dc7567f4a43ac6d7dcb50137defe47c20acf;hp=c460932e668031a2f74c25056a3dc484f10ba8af;hpb=9373b4b852dd351b181bc229721f04b1e51eca45;p=elisp%2Fsemi.git diff --git a/mime-parse.el b/mime-parse.el index c460932..f3e696c 100644 --- a/mime-parse.el +++ b/mime-parse.el @@ -68,6 +68,16 @@ (substring str e) )))) + +;;; @ Content-Type +;;; + +(defsubst make-mime-content-type (type subtype &optional parameters) + (list* (cons 'type type) + (cons 'subtype subtype) + (nreverse parameters)) + ) + (defun mime-parse-Content-Type (string) "Parse STRING as field-body of Content-Type field. Return value is @@ -87,9 +97,34 @@ are string." (setq dest (cons (car ret) dest) string (cdr ret)) ) - (cons (intern type) (cons (intern subtype) (nreverse dest))) + (make-mime-content-type (intern type)(intern subtype) + (nreverse dest)) ))) +(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'." + (let ((str (std11-field-body "Content-Type"))) + (if str + (mime-parse-Content-Type str) + ))) + +(defsubst mime-content-type-primary-type (content-type) + "Return primary-type of CONTENT-TYPE." + (cdr (car content-type))) + +(defsubst mime-content-type-subtype (content-type) + "Return primary-type of CONTENT-TYPE." + (cdr (cadr content-type))) + +(defsubst mime-content-type-parameters (content-type) + "Return primary-type of CONTENT-TYPE." + (cddr content-type)) + + +;;; @ Content-Disposition +;;; (defconst mime-disposition-type-regexp mime-token-regexp) @@ -98,33 +133,41 @@ are string." (setq string (std11-unfold-string string)) (if (string-match `,(concat "^" mime-disposition-type-regexp) string) (let* ((e (match-end 0)) - (ctype (downcase (substring string 0 e))) + (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 ctype (nreverse dest)) + (cons (cons 'type (intern type)) + (nreverse dest)) ))) - -;;; @ field reader -;;; - -(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'." - (let ((str (std11-field-body "Content-Type"))) +(defun mime-read-Content-Disposition () + "Read field-body of Content-Disposition field from current-buffer, +and return parsed it." + (let ((str (std11-field-body "Content-Disposition"))) (if str - (mime-parse-Content-Type str) + (mime-parse-Content-Disposition str) ))) -(defun mime/Content-Transfer-Encoding (&optional default-encoding) +(defsubst mime-content-disposition-type (content-disposition) + "Return disposition-type of CONTENT-DISPOSITION." + (cdr (car content-disposition))) + +(defsubst mime-content-disposition-parameters (content-disposition) + "Return disposition-parameters of CONTENT-DISPOSITION." + (cdr content-disposition)) + + +;;; @ Content-Transfer-Encoding +;;; + +(defun mime-read-Content-Transfer-Encoding (&optional default-encoding) "Read field-body of Content-Transfer-Encoding field from current-buffer, and return it. -If is is not found, return DEFAULT-ENCODING. [mime-parse.el]" +If is is not found, return DEFAULT-ENCODING." (let ((str (std11-field-body "Content-Transfer-Encoding"))) (if str (progn @@ -133,16 +176,7 @@ If is is not found, return DEFAULT-ENCODING. [mime-parse.el]" ) (downcase str) ) - default-encoding) - )) - -(defun mime/Content-Disposition () - "Read field-body of Content-Disposition field from current-buffer, -and return parsed it. [mime-parse.el]" - (let ((str (std11-field-body "Content-Disposition"))) - (if str - (mime-parse-Content-Disposition str) - ))) + default-encoding))) ;;; @ message parser @@ -150,25 +184,28 @@ and return parsed it. [mime-parse.el]" (defsubst make-mime-entity (node-id point-min point-max - media-type media-subtype parameters - encoding children) + content-type encoding children) (vector node-id point-min point-max - media-type media-subtype parameters encoding children)) + content-type encoding children)) (defsubst mime-entity-node-id (entity-info) (aref entity-info 0)) (defsubst mime-entity-point-min (entity-info) (aref entity-info 1)) (defsubst mime-entity-point-max (entity-info) (aref entity-info 2)) -(defsubst mime-entity-media-type (entity-info) (aref entity-info 3)) -(defsubst mime-entity-media-subtype (entity-info) (aref entity-info 4)) -(defsubst mime-entity-parameters (entity-info) (aref entity-info 5)) -(defsubst mime-entity-encoding (entity-info) (aref entity-info 6)) -(defsubst mime-entity-children (entity-info) (aref entity-info 7)) - +(defsubst mime-entity-content-type (entity-info) (aref entity-info 3)) +(defsubst mime-entity-encoding (entity-info) (aref entity-info 4)) +(defsubst mime-entity-children (entity-info) (aref entity-info 5)) + +(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 (boundary primtype subtype params encoding rcnum) +(defun mime-parse-multipart (boundary content-type encoding node-id) (goto-char (point-min)) (let* ((dash-boundary (concat "--" boundary)) (delimiter (concat "\n" (regexp-quote dash-boundary))) @@ -182,9 +219,9 @@ and return parsed it. [mime-parse.el]" ))) (rsep (concat delimiter "[ \t]*\n")) (dc-ctl - (if (eq subtype 'digest) - '(message rfc822) - '(text plain) + (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 @@ -197,7 +234,7 @@ and return parsed it. [mime-parse.el]" (setq ncb (match-end 0)) (save-restriction (narrow-to-region cb ce) - (setq ret (mime-parse-message dc-ctl "7bit" (cons i rcnum))) + (setq ret (mime-parse-message dc-ctl "7bit" (cons i node-id))) ) (setq children (cons ret children)) (goto-char (mime-entity-point-max ret)) @@ -207,56 +244,51 @@ and return parsed it. [mime-parse.el]" (setq ce (point-max)) (save-restriction (narrow-to-region cb ce) - (setq ret (mime-parse-message dc-ctl "7bit" (cons i rcnum))) + (setq ret (mime-parse-message dc-ctl "7bit" (cons i node-id))) ) (setq children (cons ret children)) ) - (make-mime-entity rcnum beg (point-max) - primtype subtype params encoding - (nreverse children)) + (make-mime-entity node-id beg (point-max) + content-type encoding (nreverse children)) )) -(defun mime-parse-message (&optional default-ctl default-encoding rcnum) +(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." - (setq default-ctl (or (mime-read-Content-Type) default-ctl)) - (let ((primtype (car default-ctl)) - (subtype (car (cdr default-ctl))) - (params (cdr (cdr default-ctl))) - (encoding (or (mime/Content-Transfer-Encoding) default-encoding)) - ) - (let ((boundary (assoc "boundary" params))) - (cond (boundary - (setq boundary (std11-strip-quoted-string (cdr boundary))) - (mime-parse-multipart - boundary - primtype subtype params encoding rcnum) - ) - ((and (eq primtype 'message) - (memq subtype '(rfc822 news)) - ) - (goto-char (point-min)) - (make-mime-entity rcnum (point-min) (point-max) - primtype subtype params encoding - (save-restriction - (narrow-to-region - (if (re-search-forward "^$" nil t) - (1+ (match-end 0)) - (point-min) - ) - (point-max)) - (list (mime-parse-message - nil nil (cons 0 rcnum))) - )) - ) - (t - (make-mime-entity rcnum (point-min) (point-max) - primtype subtype params encoding - nil) - )) - ))) + (let* ((content-type (or (mime-read-Content-Type) default-ctl)) + (encoding (mime-read-Content-Transfer-Encoding default-encoding)) + (boundary (assoc "boundary" + (mime-content-type-parameters content-type)))) + (cond (boundary + (setq boundary (std11-strip-quoted-string (cdr boundary))) + (mime-parse-multipart boundary content-type encoding node-id) + ) + ((and (eq (mime-content-type-primary-type content-type) + 'message) + (memq (mime-content-type-subtype content-type) + '(rfc822 news)) + ) + (goto-char (point-min)) + (make-mime-entity node-id (point-min) (point-max) + content-type encoding + (save-restriction + (narrow-to-region + (if (re-search-forward "^$" nil t) + (1+ (match-end 0)) + (point-min) + ) + (point-max)) + (list (mime-parse-message + nil nil (cons 0 node-id))) + )) + ) + (t + (make-mime-entity node-id (point-min) (point-max) + content-type encoding nil) + )) + )) ;;; @ utilities