X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=mime-def.el;h=4253eadf01cc5cb293817931582eecfcc5bb8598;hb=ef4ddfd5f5d5d10706d8269f3a1311985d04603c;hp=b8f4513a4f4ea9f35ebe5947ae126181585c6d08;hpb=b9214bcff9e185920d53dec4437f9d00350eb96c;p=elisp%2Fflim.git

diff --git a/mime-def.el b/mime-def.el
index b8f4513..4253ead 100644
--- a/mime-def.el
+++ b/mime-def.el
@@ -1,8 +1,10 @@
 ;;; mime-def.el --- definition module about MIME
 
-;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
+;; Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
+;; Copyright (C) 1999 Electrotechnical Laboratory, JAPAN.
+;; Licensed to the Free Software Foundation.
 
-;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
 ;; Keywords: definition, MIME, multimedia, mail, news
 
 ;; This file is part of FLIM (Faithful Library about Internet Message).
@@ -24,7 +26,34 @@
 
 ;;; Code:
 
-(defconst mime-library-version-string "FLIM 1.8.1 - \"Kutsukawa\"")
+(require 'poe)
+(require 'poem)
+(require 'pcustom)
+(require 'mcharset)
+(require 'alist)
+
+(eval-when-compile (require 'cl))	; list*
+
+(eval-and-compile
+  (defconst mime-library-product ["SLIM" (1 13 0) "藤原紀香"]
+    "Product name, version number and code name of MIME-library package.")
+  )
+
+(defmacro mime-product-name (product)
+  `(aref ,product 0))
+
+(defmacro mime-product-version (product)
+  `(aref ,product 1))
+
+(defmacro mime-product-code-name (product)
+  `(aref ,product 2))
+
+(defconst mime-library-version
+  (eval-when-compile
+    (concat (mime-product-name mime-library-product) " "
+	    (mapconcat #'number-to-string
+		       (mime-product-version mime-library-product) ".")
+	    " - \"" (mime-product-code-name mime-library-product) "\"")))
 
 
 ;;; @ variables
@@ -32,26 +61,11 @@
 
 (require 'custom)
 
-(eval-when-compile (require 'cl))
-
-(defgroup mime nil
+(defgroup mime '((default-mime-charset custom-variable))
   "Emacs MIME Interfaces"
   :group 'news
   :group 'mail)
 
-(custom-handle-keyword 'default-mime-charset :group 'mime
-		       'custom-variable)
-
-(defcustom mime-temp-directory (or (getenv "MIME_TMP_DIR")
-				   (getenv "TM_TMP_DIR")
-				   (getenv "TMPDIR")
-				   (getenv "TMP")
-				   (getenv "TEMP")
-				   "/tmp/")
-  "*Directory for temporary files."
-  :group 'mime
-  :type 'directory)
-
 (defcustom mime-uuencode-encoding-name-list '("x-uue" "x-uuencode")
   "*List of encoding names for uuencode format."
   :group 'mime
@@ -61,28 +75,6 @@
 ;;; @ required functions
 ;;;
 
-(unless (fboundp 'butlast)
-  (defun butlast (x &optional n)
-    "Returns a copy of LIST with the last N elements removed."
-    (if (and n (<= n 0)) x
-      (nbutlast (copy-sequence x) n)))
-  
-  (defun nbutlast (x &optional n)
-    "Modifies LIST to remove the last N elements."
-    (let ((m (length x)))
-      (or n (setq n 1))
-      (and (< n m)
-	   (progn
-	     (if (> n 0) (setcdr (nthcdr (- (1- m) n) x) nil))
-	     x))))
-  )
-
-(defsubst eliminate-top-spaces (string)
-  "Eliminate top sequence of space or tab in STRING."
-  (if (string-match "^[ \t]+" string)
-      (substring string (match-end 0))
-    string))
-
 (defsubst regexp-* (regexp)
   (concat regexp "*"))
 
@@ -93,29 +85,59 @@
 ;;; @ about STD 11
 ;;;
 
-(defconst std11-quoted-pair-regexp "\\\\.")
-(defconst std11-non-qtext-char-list '(?\" ?\\ ?\r ?\n))
-(defconst std11-qtext-regexp
-  (concat "[^" (char-list-to-string std11-non-qtext-char-list) "]"))
+(eval-and-compile
+  (defconst std11-quoted-pair-regexp "\\\\.")
+  (defconst std11-non-qtext-char-list '(?\" ?\\ ?\r ?\n))
+  (defconst std11-qtext-regexp
+    (eval-when-compile
+      (concat "[^" std11-non-qtext-char-list "]"))))
 (defconst std11-quoted-string-regexp
-  (concat "\""
-	  (regexp-*
-	   (regexp-or std11-qtext-regexp std11-quoted-pair-regexp))
-	  "\""))
+  (eval-when-compile
+    (concat "\""
+	    (regexp-*
+	     (regexp-or std11-qtext-regexp std11-quoted-pair-regexp))
+	    "\"")))
 
 
 ;;; @ about MIME
 ;;;
 
-(defconst mime-tspecials "][()<>@,\;:\\\"/?=")
-(defconst mime-token-regexp (concat "[^" mime-tspecials "\000-\040]+"))
+(eval-and-compile
+  (defconst mime-tspecial-char-list
+    '(?\] ?\[ ?\( ?\) ?< ?> ?@ ?, ?\; ?: ?\\ ?\" ?/ ?? ?=)))
+(defconst mime-token-regexp
+  (eval-when-compile
+    (concat "[^" mime-tspecial-char-list "\000-\040]+")))
 (defconst mime-charset-regexp mime-token-regexp)
 
 (defconst mime-media-type/subtype-regexp
   (concat mime-token-regexp "/" mime-token-regexp))
 
 
-;;; @@ Quoted-Printable
+;;; @@ base64 / B
+;;;
+
+(defconst base64-token-regexp "[A-Za-z0-9+/]")
+(defconst base64-token-padding-regexp "[A-Za-z0-9+/=]")
+
+(defconst B-encoded-text-regexp
+  (concat "\\(\\("
+	  base64-token-regexp
+	  base64-token-regexp
+	  base64-token-regexp
+	  base64-token-regexp
+	  "\\)*"
+	  base64-token-regexp
+	  base64-token-regexp
+	  base64-token-padding-regexp
+	  base64-token-padding-regexp
+          "\\)"))
+
+;; (defconst eword-B-encoding-and-encoded-text-regexp
+;;   (concat "\\(B\\)\\?" eword-B-encoded-text-regexp))
+
+
+;;; @@ Quoted-Printable / Q
 ;;;
 
 (defconst quoted-printable-hex-chars "0123456789ABCDEF")
@@ -124,6 +146,12 @@
   (concat "=[" quoted-printable-hex-chars
 	  "][" quoted-printable-hex-chars "]"))
 
+(defconst Q-encoded-text-regexp
+  (concat "\\([^=?]\\|" quoted-printable-octet-regexp "\\)+"))
+
+;; (defconst eword-Q-encoding-and-encoded-text-regexp
+;;   (concat "\\(Q\\)\\?" eword-Q-encoded-text-regexp))
+
 
 ;;; @ Content-Type
 ;;;
@@ -182,50 +210,92 @@
 ;;; @ MIME entity
 ;;;
 
-(defsubst make-mime-entity-internal (representation-type
-				     location
-				     &optional content-type children
-				     node-id
-				     buffer
-				     header-start header-end
-				     body-start body-end)
-  (vector representation-type location
-	  content-type children nil nil node-id
-	  buffer header-start header-end body-start body-end
-	  nil nil))
-
-(defsubst mime-entity-representation-type-internal (entity) (aref entity  0))
-(defsubst mime-entity-location-internal            (entity) (aref entity  1))
-
-(defsubst mime-entity-content-type-internal (entity)        (aref entity  2))
-(defsubst mime-entity-children-internal (entity)            (aref entity  3))
-(defsubst mime-entity-content-disposition-internal (entity) (aref entity  4))
-(defsubst mime-entity-encoding-internal (entity)            (aref entity  5))
-(defsubst mime-entity-node-id-internal (entity)             (aref entity  6))
-
-(defsubst mime-entity-buffer-internal (entity)              (aref entity  7))
-(defsubst mime-entity-header-start-internal (entity)        (aref entity  8))
-(defsubst mime-entity-header-end-internal (entity)          (aref entity  9))
-(defsubst mime-entity-body-start-internal (entity)          (aref entity 10))
-(defsubst mime-entity-body-end-internal (entity)            (aref entity 11))
-
-(defsubst mime-entity-original-header-internal (entity)     (aref entity 12))
-(defsubst mime-entity-parsed-header-internal (entity)       (aref entity 13))
-
-(defsubst mime-entity-set-representation-type-internal (entity type)
-  (aset entity  0 type))
-(defsubst mime-entity-set-content-type-internal (entity type)
-  (aset entity  2 type))
-(defsubst mime-entity-set-children-internal (entity children)
-  (aset entity  3 children))
-(defsubst mime-entity-set-content-disposition-internal (entity disposition)
-  (aset entity  4 disposition))
-(defsubst mime-entity-set-encoding-internal (entity encoding)
-  (aset entity  5 encoding))
-(defsubst mime-entity-set-original-header-internal (entity header)
-  (aset entity 12 header))
-(defsubst mime-entity-set-parsed-header-internal (entity header)
-  (aset entity 13 header))
+(require 'luna)
+
+(autoload 'mime-entity-content-type "mime")
+(autoload 'mime-parse-multipart "mime-parse")
+(autoload 'mime-parse-encapsulated "mime-parse")
+(autoload 'mime-entity-content "mime")
+
+(luna-define-class mime-entity ()
+		   (location
+		    content-type children parent
+		    node-id
+		    content-disposition encoding
+		    ;; for other fields
+		    original-header parsed-header))
+
+(defalias 'mime-entity-representation-type-internal 'luna-class-name)
+(defalias 'mime-entity-set-representation-type-internal 'luna-set-class-name)
+
+(luna-define-internal-accessors 'mime-entity)
+
+(luna-define-method mime-entity-fetch-field ((entity mime-entity)
+					     field-name)
+  (or (symbolp field-name)
+      (setq field-name (intern (capitalize (capitalize field-name)))))
+  (cdr (assq field-name
+	     (mime-entity-original-header-internal entity))))
+
+(luna-define-method mime-entity-children ((entity mime-entity))
+  (let* ((content-type (mime-entity-content-type entity))
+	 (primary-type (mime-content-type-primary-type content-type)))
+    (cond ((eq primary-type 'multipart)
+	   (mime-parse-multipart entity)
+	   )
+	  ((and (eq primary-type 'message)
+		(memq (mime-content-type-subtype content-type)
+		      '(rfc822 news external-body)
+		      ))
+	   (mime-parse-encapsulated entity)
+	   ))
+    ))
+
+(luna-define-method mime-insert-text-content ((entity mime-entity))
+  (insert
+   (decode-mime-charset-string (mime-entity-content entity)
+			       (or (mime-content-type-parameter
+				    (mime-entity-content-type entity)
+				    "charset")
+				   default-mime-charset)
+			       'CRLF)
+   ))
+
+
+;;; @ for mm-backend
+;;;
+
+(defmacro mm-expand-class-name (type)
+  `(intern (format "mime-%s-entity" ,type)))
+
+(defmacro mm-define-backend (type &optional parents)
+  `(luna-define-class ,(mm-expand-class-name type)
+		      ,(nconc (mapcar (lambda (parent)
+					(mm-expand-class-name parent)
+					)
+				      parents)
+			      '(mime-entity))))
+
+(defmacro mm-define-method (name args &rest body)
+  (or (eq name 'initialize-instance)
+      (setq name (intern (format "mime-%s" name))))
+  (let ((spec (car args)))
+    (setq args
+	  (cons (list (car spec)
+		      (mm-expand-class-name (nth 1 spec)))
+		(cdr args)))
+    `(luna-define-method ,name ,args ,@body)
+    ))
+
+(put 'mm-define-method 'lisp-indent-function 'defun)
+
+(def-edebug-spec mm-define-method
+  (&define name ((arg symbolp)
+		 [&rest arg]
+		 [&optional ["&optional" arg &rest arg]]
+		 &optional ["&rest" arg]
+		 )
+	   def-body))
 
 
 ;;; @ message structure
@@ -237,12 +307,7 @@ 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)
@@ -254,6 +319,124 @@ message/rfc822, `mime-entity' structures of them are included in
 
 (make-variable-buffer-local 'mime-message-structure)
 
+(make-obsolete-variable 'mime-message-structure "should not use it.")
+
+
+;;; @ for mel-backend
+;;;
+
+(defvar mel-service-list nil)
+
+(defmacro mel-define-service (name &optional args &rest rest)
+  "Define NAME as a service for Content-Transfer-Encodings.
+If ARGS is specified, NAME is defined as a generic function for the
+service."
+  `(progn
+     (add-to-list 'mel-service-list ',name)
+     (defvar ,(intern (format "%s-obarray" name)) (make-vector 7 0))
+     ,@(if args
+	   `((defun ,name ,args
+	       ,@rest
+	       (funcall (mel-find-function ',name ,(car (last args)))
+			,@(luna-arglist-to-arguments (butlast args)))
+	       )))
+     ))
+
+(put 'mel-define-service 'lisp-indent-function 'defun)
+
+
+(defvar mel-encoding-module-alist nil)
+
+(defsubst mel-find-function-from-obarray (ob-array encoding)
+  (let* ((f (intern-soft encoding ob-array)))
+    (or f
+	(let ((rest (cdr (assoc encoding mel-encoding-module-alist))))
+	  (while (and rest
+		      (progn
+			(require (car rest))
+			(null (setq f (intern-soft encoding ob-array)))
+			))
+	    (setq rest (cdr rest))
+	    )
+	  f))))
+
+(defsubst mel-copy-method (service src-backend dst-backend)
+  (let* ((oa (symbol-value (intern (format "%s-obarray" service))))
+	 (f (mel-find-function-from-obarray oa src-backend))
+	 sym)
+    (when f
+      (setq sym (intern dst-backend oa))
+      (or (fboundp sym)
+	  (fset sym (symbol-function f))
+	  ))))
+       
+(defsubst mel-copy-backend (src-backend dst-backend)
+  (let ((services mel-service-list))
+    (while services
+      (mel-copy-method (car services) src-backend dst-backend)
+      (setq services (cdr services)))))
+
+(defmacro mel-define-backend (type &optional parents)
+  "Define TYPE as a mel-backend.
+If PARENTS is specified, TYPE inherits PARENTS.
+Each parent must be backend name (string)."
+  (cons 'progn
+	(mapcar (lambda (parent)
+		  `(mel-copy-backend ,parent ,type)
+		  )
+		parents)))
+
+(defmacro mel-define-method (name args &rest body)
+  "Define NAME as a method function of (nth 1 (car (last ARGS))) backend.
+ARGS is like an argument list of lambda, but (car (last ARGS)) must be
+specialized parameter.  (car (car (last ARGS))) is name of variable
+and (nth 1 (car (last ARGS))) is name of backend (encoding)."
+  (let* ((specializer (car (last args)))
+	 (class (nth 1 specializer)))
+    `(progn
+       (mel-define-service ,name)
+       (fset (intern ,class ,(intern (format "%s-obarray" name)))
+	     (lambda ,(butlast args)
+	       ,@body)))))
+
+(put 'mel-define-method 'lisp-indent-function 'defun)
+
+(defmacro mel-define-method-function (spec function)
+  "Set SPEC's function definition to FUNCTION.
+First element of SPEC is service.
+Rest of ARGS is like an argument list of lambda, but (car (last ARGS))
+must be specialized parameter.  (car (car (last ARGS))) is name of
+variable and (nth 1 (car (last ARGS))) is name of backend (encoding)."
+  (let* ((name (car spec))
+	 (args (cdr spec))
+	 (specializer (car (last args)))
+	 (class (nth 1 specializer)))
+    `(let (sym)
+       (mel-define-service ,name)
+       (setq sym (intern ,class ,(intern (format "%s-obarray" name))))
+       (or (fboundp sym)
+	   (fset sym (symbol-function ,function))))))
+
+(defmacro mel-define-function (function spec)
+  (let* ((name (car spec))
+	 (args (cdr spec))
+	 (specializer (car (last args)))
+	 (class (nth 1 specializer)))
+    `(progn
+       (define-function ,function
+	 (intern ,class ,(intern (format "%s-obarray" name))))
+       )))
+
+(defvar base64-dl-module
+  (if (and (fboundp 'base64-encode-string)
+	   (subrp (symbol-function 'base64-encode-string)))
+      nil
+    (if (fboundp 'dynamic-link)
+	(let ((path (expand-file-name "base64.so" exec-directory)))
+	  (and (file-exists-p path)
+	       path)
+	  ))))
+
 
 ;;; @ end
 ;;;