X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=mime-def.el;h=fade20f8385addaab291fc1d7716121b78fbff5d;hb=refs%2Fheads%2Fflim-1_10;hp=c6636492ea43ec8204480b559a2868e3a8b729e3;hpb=1620f7d4e37ad307cc2f144bf94a0c8007647033;p=elisp%2Fflim.git

diff --git a/mime-def.el b/mime-def.el
index c663649..fade20f 100644
--- a/mime-def.el
+++ b/mime-def.el
@@ -24,11 +24,35 @@
 
 ;;; Code:
 
-(defconst mime-spadework-module-version-string
-  "FLIM 1.1.1 - \"J-Dþjò\"")-A
+(eval-and-compile
+  (defconst mime-library-product ["FLIM" (1 10 5) "Kizugawadai"]
+    "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
+;;;
 
 (require 'custom)
 
+(eval-when-compile (require 'cl))
+
 (defgroup mime nil
   "Emacs MIME Interfaces"
   :group 'news
@@ -37,21 +61,24 @@
 (custom-handle-keyword 'default-mime-charset :group 'mime
 		       'custom-variable)
 
-(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))))
-  )
+(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
+  :type '(repeat string))
+
+
+;;; @ required functions
+;;;
 
 (defsubst eliminate-top-spaces (string)
   "Eliminate top sequence of space or tab in STRING."
@@ -59,8 +86,28 @@
       (substring string (match-end 0))
     string))
 
+(defsubst regexp-* (regexp)
+  (concat regexp "*"))
+
+(defsubst regexp-or (&rest args)
+  (concat "\\(" (mapconcat (function identity) args "\\|") "\\)"))
 
-;;; @ definitions about MIME
+
+;;; @ 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) "]"))
+(defconst std11-quoted-string-regexp
+  (concat "\""
+	  (regexp-*
+	   (regexp-or std11-qtext-regexp std11-quoted-pair-regexp))
+	  "\""))
+
+
+;;; @ about MIME
 ;;;
 
 (defconst mime-tspecials "][()<>@,\;:\\\"/?=")
@@ -71,7 +118,30 @@
   (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")
@@ -80,6 +150,338 @@
   (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
+;;;
+
+(defsubst make-mime-content-type (type subtype &optional parameters)
+  (list* (cons 'type type)
+	 (cons 'subtype subtype)
+	 (nreverse parameters))
+  )
+
+(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))
+
+(defsubst mime-content-type-parameter (content-type parameter)
+  "Return PARAMETER value of CONTENT-TYPE."
+  (cdr (assoc parameter (mime-content-type-parameters content-type))))
+
+
+(defsubst mime-type/subtype-string (type &optional subtype)
+  "Return type/subtype string from TYPE and SUBTYPE."
+  (if type
+      (if subtype
+	  (format "%s/%s" type subtype)
+	(format "%s" type))))
+
+
+;;; @ Content-Disposition
+;;;
+
+(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))
+
+(defsubst mime-content-disposition-parameter (content-disposition parameter)
+  "Return PARAMETER value of CONTENT-DISPOSITION."
+  (cdr (assoc parameter (cdr content-disposition))))
+
+(defsubst mime-content-disposition-filename (content-disposition)
+  "Return filename of CONTENT-DISPOSITION."
+  (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
+;;;
+
+(defvar mime-message-structure nil
+  "Information about structure of message.
+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)
+children		entities included in this entity (list of entity)
+
+If an entity includes other entities in its body, such as multipart or
+message/rfc822, `mime-entity' structures of them are included in
+`children', so the `mime-entity' structure become a tree.")
+
+(make-variable-buffer-local 'mime-message-structure)
+
+
+;;; @ 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
+	   (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)
+  "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)))
+    `(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))
+
+(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 1 nil))
+     ,@(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
+  (and (fboundp 'dynamic-link)
+       (let ((path (expand-file-name "base64.so" exec-directory)))
+	 (and (file-exists-p path)
+	      path))))
+
 
 ;;; @ end
 ;;;