X-Git-Url: http://git.chise.org/gitweb/?p=elisp%2Fflim.git;a=blobdiff_plain;f=mime-def.el;h=73602acf147befc6acc6af9419e2d538498e2076;hp=0babafb2d6824f806fa7eede8e46c934e09a0e8a;hb=cfbeb2aa70dd2506c32ce4a2e1d232731a93701d;hpb=9c0db3733d6fe2a23a85a05144e946e4af127e85 diff --git a/mime-def.el b/mime-def.el index 0babafb..73602ac 100644 --- a/mime-def.el +++ b/mime-def.el @@ -1,11 +1,12 @@ -;;; 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 +;; Author: MORIOKA Tomohiko ;; Keywords: definition, MIME, multimedia, mail, news -;; This file is part of FLIM (Faithful Library about Internet Message). +;; This file is part of DEISUI (Deisui is an Entity Implementation for +;; SEMI based User Interfaces). ;; This program is free software; you can redistribute it and/or ;; modify it under the terms of the GNU General Public License as @@ -24,7 +25,36 @@ ;;; Code: -(defconst mime-library-version-string "FLIM 1.5.0 - \"Mukaijima\"") +(require 'poe) +(require 'poem) +(require 'pcustom) +(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.")) + +(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 @@ -32,52 +62,20 @@ (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." +(defcustom mime-uuencode-encoding-name-list '("x-uue" "x-uuencode") + "*List of encoding names for uuencode format." :group 'mime - :type 'directory) + :type '(repeat string)) ;;; @ 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 "*")) @@ -88,29 +86,59 @@ ;;; @ 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") @@ -119,6 +147,12 @@ (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 ;;; @@ -174,54 +208,6 @@ (mime-content-disposition-parameter content-disposition "filename")) -;;; @ MIME entity -;;; - -(defsubst make-mime-entity (buffer - header-start header-end body-start body-end - &optional node-id - content-type content-disposition - encoding children) - (vector buffer header-start header-end body-start body-end - node-id content-type content-disposition encoding nil - children nil)) - -(defsubst mime-entity-buffer (entity) (aref entity 0)) -(defsubst mime-entity-header-start (entity) (aref entity 1)) -(defsubst mime-entity-header-end (entity) (aref entity 2)) -(defsubst mime-entity-body-start (entity) (aref entity 3)) -(defsubst mime-entity-body-end (entity) (aref entity 4)) -(defsubst mime-entity-node-id (entity) (aref entity 5)) -(defsubst mime-entity-content-type (entity) (aref entity 6)) -(defsubst mime-entity-content-disposition (entity) (aref entity 7)) -(defsubst mime-entity-encoding (entity) (aref entity 8)) -(defsubst mime-entity-original-header (entity) (aref entity 9)) -(defsubst mime-entity-children (entity) (aref entity 10)) -(defsubst mime-entity-parsed-header (entity) (aref entity 11)) - -(defsubst mime-entity-set-original-header (entity header) - (aset entity 9 header)) -(defsubst mime-entity-set-parsed-header (entity header) - (aset entity 11 header)) - -(defsubst mime-entity-number (entity) - (reverse (mime-entity-node-id entity))) - -(defalias 'mime-entity-point-min 'mime-entity-header-start) -(defalias 'mime-entity-point-max 'mime-entity-body-end) - -(defsubst mime-entity-media-type (entity) - (mime-content-type-primary-type (mime-entity-content-type entity))) -(defsubst mime-entity-media-subtype (entity) - (mime-content-type-subtype (mime-entity-content-type entity))) -(defsubst mime-entity-parameters (entity) - (mime-content-type-parameters (mime-entity-content-type entity))) - -(defsubst mime-entity-type/subtype (entity-info) - (mime-type/subtype-string (mime-entity-media-type entity-info) - (mime-entity-media-subtype entity-info))) - - ;;; @ message structure ;;; @@ -231,12 +217,7 @@ 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) @@ -248,6 +229,124 @@ 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 ;;;