X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=mime-def.el;h=68cc8ea0846e3c7452d3228046b03130b0592783;hb=41fe6bdf8523a73c43e73612b5df85caa5622081;hp=e11363daebad6776c105d30ca7915c95c3ccabc9;hpb=c15030d4d88e6ba443b64ec68730413f0ae5a061;p=elisp%2Fflim.git

diff --git a/mime-def.el b/mime-def.el
index e11363d..68cc8ea 100644
--- a/mime-def.el
+++ b/mime-def.el
@@ -1,6 +1,6 @@
 ;;; 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.
 
 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
 ;; Keywords: definition, MIME, multimedia, mail, news
@@ -24,15 +24,28 @@
 
 ;;; Code:
 
-(defconst mime-library-version
-  '("FLIM" "Tonosh-Dò"-A 1 9 1)
-  "Implementation name, version name and numbers of MIME-library package.")
+(require 'mcharset)
+
+(eval-and-compile
+  (defconst mime-library-product ["FLIM" (1 12 6) "Family-K.DŽòenmae"]
+    "Product name, version number and code name of MIME-library package.")
+  )
+
+(defmacro mime-product-name (product)
+  `(aref ,product 0))
 
-(defconst mime-library-version-string
-  `,(concat (car mime-library-version) " "
+(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
@@ -50,16 +63,6 @@
 (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
@@ -69,28 +72,6 @@
 ;;; @ 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 "*"))
 
@@ -101,29 +82,59 @@
 ;;; @ 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")
@@ -132,6 +143,12 @@
   (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
 ;;;
@@ -190,75 +207,125 @@
 ;;; @ MIME entity
 ;;;
 
-(defsubst make-mime-entity-internal (representation-type location
+(defmacro make-mime-entity-internal (representation-type location
 				     &optional content-type
 				     children parent node-id
+				     ;; for NOV
+				     decoded-subject decoded-from
+				     date message-id references
+				     chars lines
+				     xref
+				     ;; for other fields
+				     original-header parsed-header
+				     ;; for buffer representation
 				     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))
+  `(vector ,representation-type ,location
+	   ,content-type nil nil ,children ,parent ,node-id
+	   ;; for NOV
+	   ,decoded-subject ,decoded-from
+	   ,date ,message-id ,references
+	   ,chars ,lines
+	   ,xref
+	   ;; for other fields
+	   ,original-header ,parsed-header
+	   ;; for buffer representation
+	   ,buffer ,header-start ,header-end ,body-start ,body-end))
+
+(defmacro mime-entity-representation-type-internal (entity)
+  `(aref ,entity 0))
+(defmacro mime-entity-set-representation-type-internal (entity type)
+  `(aset ,entity 0 ,type))
+(defmacro mime-entity-location-internal (entity)
+  `(aref ,entity 1))
+(defmacro mime-entity-set-location-internal (entity location)
+  `(aset ,entity 1 ,location))
+
+(defmacro mime-entity-content-type-internal (entity)
+  `(aref ,entity 2))
+(defmacro mime-entity-set-content-type-internal (entity type)
+  `(aset ,entity 2 ,type))
+(defmacro mime-entity-content-disposition-internal (entity)
+  `(aref ,entity 3))
+(defmacro mime-entity-set-content-disposition-internal (entity disposition)
+  `(aset ,entity 3 ,disposition))
+(defmacro mime-entity-encoding-internal (entity)
+  `(aref ,entity 4))
+(defmacro mime-entity-set-encoding-internal (entity encoding)
+  `(aset ,entity 4 ,encoding))
+
+(defmacro mime-entity-children-internal (entity)
+  `(aref ,entity 5))
+(defmacro mime-entity-set-children-internal (entity children)
+  `(aset ,entity 5 ,children))
+(defmacro mime-entity-parent-internal (entity)
+  `(aref ,entity 6))
+(defmacro mime-entity-node-id-internal (entity)
+  `(aref ,entity 7))
+
+(defmacro mime-entity-decoded-subject-internal (entity)
+  `(aref ,entity 8))
+(defmacro mime-entity-set-decoded-subject-internal (entity subject)
+  `(aset ,entity 8 ,subject))
+(defmacro mime-entity-decoded-from-internal (entity)
+  `(aref ,entity 9))
+(defmacro mime-entity-set-decoded-from-internal (entity from)
+  `(aset ,entity 9 ,from))
+(defmacro mime-entity-date-internal (entity)
+  `(aref ,entity 10))
+(defmacro mime-entity-set-date-internal (entity date)
+  `(aset ,entity 10 ,date))
+(defmacro mime-entity-message-id-internal (entity)
+  `(aref ,entity 11))
+(defmacro mime-entity-set-message-id-internal (entity message-id)
+  `(aset ,entity 11 ,message-id))
+(defmacro mime-entity-references-internal (entity)
+  `(aref ,entity 12))
+(defmacro mime-entity-set-references-internal (entity references)
+  `(aset ,entity 12 ,references))
+(defmacro mime-entity-chars-internal (entity)
+  `(aref ,entity 13))
+(defmacro mime-entity-set-chars-internal (entity chars)
+  `(aset ,entity 13 ,chars))
+(defmacro mime-entity-lines-internal (entity)
+  `(aref ,entity 14))
+(defmacro mime-entity-set-lines-internal (entity lines)
+  `(aset ,entity 14 ,lines))
+(defmacro mime-entity-xref-internal (entity)
+  `(aref ,entity 15))
+(defmacro mime-entity-set-xref-internal (entity xref)
+  `(aset ,entity 15 ,xref))
+
+(defmacro mime-entity-original-header-internal (entity)
+  `(aref ,entity 16))
+(defmacro mime-entity-set-original-header-internal (entity header)
+  `(aset ,entity 16 ,header))
+(defmacro mime-entity-parsed-header-internal (entity)
+  `(aref ,entity 17))
+(defmacro mime-entity-set-parsed-header-internal (entity header)
+  `(aset ,entity 17 ,header))
+
+(defmacro mime-entity-buffer-internal (entity)
+  `(aref ,entity 18))
+(defmacro mime-entity-set-buffer-internal (entity buffer)
+  `(aset ,entity 18 ,buffer))
+(defmacro mime-entity-header-start-internal (entity)
+  `(aref ,entity 19))
+(defmacro mime-entity-set-header-start-internal (entity point)
+  `(aset ,entity 19 ,point))
+(defmacro mime-entity-header-end-internal (entity)
+  `(aref ,entity 20))
+(defmacro mime-entity-set-header-end-internal (entity point)
+  `(aset ,entity 20 ,point))
+(defmacro mime-entity-body-start-internal (entity)
+  `(aref ,entity 21))
+(defmacro mime-entity-set-body-start-internal (entity point)
+  `(aset ,entity 21 ,point))
+(defmacro mime-entity-body-end-internal (entity)
+  `(aref ,entity 22))
+(defmacro mime-entity-set-body-end-internal (entity point)
+  `(aset ,entity 22 ,point))
 
 
 ;;; @ message structure
@@ -291,9 +358,14 @@ message/rfc822, `mime-entity' structures of them are included in
 ;;; @ for mm-backend
 ;;;
 
+(require 'alist)
+
 (defvar mime-entity-implementation-alist nil)
 
 (defmacro mm-define-backend (type &optional parents)
+  "Define TYPE as a mm-backend.
+If PARENTS is specified, TYPE inherits PARENTS.
+Each parent must be backend name (symbol)."
   (if parents
       `(let ((rest ',(reverse parents)))
 	 (while rest
@@ -306,6 +378,11 @@ message/rfc822, `mime-entity' structures of them are included in
 	   ))))
 
 (defmacro mm-define-method (name args &rest body)
+  "Define NAME as a method function of (nth 1 (car ARGS)) backend.
+
+ARGS is like an argument list of lambda, but (car ARGS) must be
+specialized parameter.  (car (car ARGS)) is name of variable and (nth
+1 (car ARGS)) is name of backend."
   (let* ((specializer (car args))
 	 (class (nth 1 specializer))
 	 (self (car specializer)))
@@ -323,8 +400,153 @@ message/rfc822, `mime-entity' structures of them are included in
 	 ))))
 
 (put 'mm-define-method 'lisp-indent-function 'defun)
-(put 'mm-define-method 'edebug-form-spec
-     '(&define name ((arg symbolp) &rest arg) def-body))
+
+(eval-when-compile
+  (defmacro eval-module-depended-macro (module definition)
+    (condition-case nil
+	(progn
+	  (require (eval module))
+	  definition)
+      (error `(eval-after-load ,(symbol-name (eval module)) ',definition))
+      ))
+  )
+
+(eval-module-depended-macro
+ 'edebug
+ (def-edebug-spec mm-define-method
+   (&define name ((arg symbolp)
+		  [&rest arg]
+		  [&optional ["&optional" arg &rest arg]]
+		  &optional ["&rest" arg]
+		  )
+	    def-body))
+ )
+
+(defsubst mm-arglist-to-arguments (arglist)
+  (let (dest)
+    (while arglist
+      (let ((arg (car arglist)))
+	(or (memq arg '(&optional &rest))
+	    (setq dest (cons arg dest)))
+	)
+      (setq arglist (cdr arglist)))
+    (nreverse dest)))
+
+
+;;; @ 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)))
+			,@(mm-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