X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=mime-def.el;h=66dfa00a08ba45a16534e3c3f30fbaad919f5419;hb=58b9a0c72781dc15ded0133c2a599c6907e06138;hp=e11363daebad6776c105d30ca7915c95c3ccabc9;hpb=c15030d4d88e6ba443b64ec68730413f0ae5a061;p=elisp%2Fflim.git

diff --git a/mime-def.el b/mime-def.el
index e11363d..66dfa00 100644
--- a/mime-def.el
+++ b/mime-def.el
@@ -1,8 +1,8 @@
-;;; mime-def.el --- definition module about MIME
+;;; mime-def.el --- definition module about MIME -*- coding: iso-8859-4; -*-
 
-;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97,98,99,2000 Free Software Foundation, Inc.
 
-;; 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).
@@ -24,42 +24,44 @@
 
 ;;; Code:
 
-(defconst mime-library-version
-  '("FLIM" "Tonosh-Dò"-A 1 9 1)
-  "Implementation name, version name and numbers of MIME-library package.")
+(require 'custom)
+(require 'mcharset)
+(require 'alist)
+
+(eval-when-compile
+  (require 'cl)   ; list*
+  (require 'luna) ; luna-arglist-to-arguments
+  )
+
+(eval-and-compile
+  (defconst mime-library-product ["FLIM" (1 14 0) "Ninokuchi"]
+    "Product name, version number and code name of MIME-library package."))
 
-(defconst mime-library-version-string
-  `,(concat (car mime-library-version) " "
+(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
-		       (cddr mime-library-version) ".")
-	    " - \"" (cadr mime-library-version) "\""))
+		       (mime-product-version mime-library-product) ".")
+	    " - \"" (mime-product-code-name mime-library-product) "\"")))
 
 
 ;;; @ variables
 ;;;
 
-(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
@@ -69,61 +71,89 @@
 ;;; @ 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 "*"))
 
 (defsubst regexp-or (&rest args)
   (concat "\\(" (mapconcat (function identity) args "\\|") "\\)"))
 
+(eval-when-compile (require 'static))
+
+(static-if (and (featurep 'xemacs)
+		(not (featurep 'utf-2000)))
+    (progn
+      (require 'pces)
+      (defalias 'binary-insert-file-contents 'insert-file-contents-as-binary)
+      (defalias 'binary-write-region 'write-region-as-binary))
+  (defalias 'binary-insert-file-contents 'insert-file-contents-literally)
+  (defun binary-write-region (start end filename
+				    &optional append visit lockname)
+    "Like `write-region', q.v., but don't encode."
+    (let ((coding-system-for-write 'binary)
+	  jka-compr-compression-info-list jam-zcat-filename-list)
+      (write-region start end filename append visit lockname)))
+  )
+
+(or (fboundp 'char-int)
+    (defalias 'char-int 'identity))
+
 
 ;;; @ 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")
@@ -132,6 +162,12 @@
   (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
 ;;;
@@ -187,80 +223,6 @@
   (mime-content-disposition-parameter content-disposition "filename"))
 
 
-;;; @ MIME entity
-;;;
-
-(defsubst make-mime-entity-internal (representation-type location
-				     &optional content-type
-				     children parent node-id
-				     buffer
-				     header-start header-end
-				     body-start body-end)
-  (vector representation-type location
-	  content-type nil nil children parent 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-set-representation-type-internal (entity type)
-  (aset entity 0 type))
-(defsubst mime-entity-location-internal (entity)
-  (aref entity 1))
-
-(defsubst mime-entity-content-type-internal (entity)
-  (aref entity 2))
-(defsubst mime-entity-set-content-type-internal (entity type)
-  (aset entity 2 type))
-(defsubst mime-entity-content-disposition-internal (entity)
-  (aref entity 3))
-(defsubst mime-entity-set-content-disposition-internal (entity disposition)
-  (aset entity 3 disposition))
-(defsubst mime-entity-encoding-internal (entity)
-  (aref entity 4))
-(defsubst mime-entity-set-encoding-internal (entity encoding)
-  (aset entity 4 encoding))
-
-(defsubst mime-entity-children-internal (entity)
-  (aref entity 5))
-(defsubst mime-entity-set-children-internal (entity children)
-  (aset entity 5 children))
-(defsubst mime-entity-parent-internal (entity)
-  (aref entity 6))
-(defsubst mime-entity-node-id-internal (entity)
-  (aref entity 7))
-
-(defsubst mime-entity-buffer-internal (entity)
-  (aref entity 8))
-(defsubst mime-entity-set-buffer-internal (entity buffer)
-  (aset entity 8 buffer))
-(defsubst mime-entity-header-start-internal (entity)
-  (aref entity 9))
-(defsubst mime-entity-set-header-start-internal (entity point)
-  (aset entity 9 point))
-(defsubst mime-entity-header-end-internal (entity)
-  (aref entity 10))
-(defsubst mime-entity-set-header-end-internal (entity point)
-  (aset entity 10 point))
-(defsubst mime-entity-body-start-internal (entity)
-  (aref entity 11))
-(defsubst mime-entity-set-body-start-internal (entity point)
-  (aset entity 11 point))
-(defsubst mime-entity-body-end-internal (entity)
-  (aref entity 12))
-(defsubst mime-entity-set-body-end-internal (entity point)
-  (aset entity 12 point))
-
-(defsubst mime-entity-original-header-internal (entity)
-  (aref entity 13))
-(defsubst mime-entity-set-original-header-internal (entity header)
-  (aset entity 13 header))
-(defsubst mime-entity-parsed-header-internal (entity)
-  (aref entity 14))
-(defsubst mime-entity-set-parsed-header-internal (entity header)
-  (aset entity 14 header))
-
-
 ;;; @ message structure
 ;;;
 
@@ -270,12 +232,7 @@ 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)
@@ -287,44 +244,123 @@ 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 mm-backend
+;;; @ for mel-backend
 ;;;
 
-(defvar mime-entity-implementation-alist nil)
-
-(defmacro mm-define-backend (type &optional parents)
-  (if parents
-      `(let ((rest ',(reverse parents)))
-	 (while rest
-	   (set-alist 'mime-entity-implementation-alist
-		      ',type
-		      (copy-alist
-		       (cdr (assq (car rest)
-				  mime-entity-implementation-alist))))
-	   (setq rest (cdr rest))
-	   ))))
-
-(defmacro mm-define-method (name args &rest body)
-  (let* ((specializer (car args))
-	 (class (nth 1 specializer))
-	 (self (car specializer)))
-    `(let ((imps (cdr (assq ',class mime-entity-implementation-alist)))
-	   (func (lambda ,(if self
-			      (cons self (cdr args))
-			    (cdr args))
-		   ,@body)))
-       (if imps
-	   (set-alist 'mime-entity-implementation-alist
-		      ',class (put-alist ',name func imps))
-	 (set-alist 'mime-entity-implementation-alist
-		    ',class
-		    (list (cons ',name func)))
-	 ))))
-
-(put 'mm-define-method 'lisp-indent-function 'defun)
-(put 'mm-define-method 'edebug-form-spec
-     '(&define name ((arg symbolp) &rest arg) def-body))
+(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