;;; Code:
-(defconst mime-spadework-module-version-string
- "FLIM 1.1.1 - \"J\e-Dþjò\"")\e-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
(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."
(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 "][()<>@,\;:\\\"/?=")
(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")
(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
;;;
projects / elisp / flim.git / blobdiff