X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=mel.el;h=c113b92837a82904471ccbb16f7e6ce95d35ee35;hb=4d9c85cce61c5f3a0e1746a885b57b667f3843d8;hp=be8a26f938a5a34adb3d507e9f4765214d34ecd8;hpb=df33c761df0550c423b24a5e1cd76fe592861bd0;p=elisp%2Fflim.git

diff --git a/mel.el b/mel.el
index be8a26f..c113b92 100644
--- a/mel.el
+++ b/mel.el
@@ -28,101 +28,428 @@
 
 (require 'emu)
 
-(defconst mel-version "7.4")
-
 
 ;;; @ variable
 ;;;
 
-(defvar mime-temp-directory (or (getenv "MIME_TMP_DIR")
-				(getenv "TM_TMP_DIR")
-				(getenv "TMPDIR")
-				(getenv "TMP")
-				(getenv "TEMP")
-				"/tmp/")
-  "*Directory for temporary files.")
+(defvar base64-internal-encoding-limit 1000
+  "*limit size to use internal base64 encoder.
+If size of input to encode is larger than this limit,
+external encoder is called.")
+
+(defvar base64-internal-decoding-limit 1000
+  "*limit size to use internal base64 decoder.
+ size of input to decode is larger than this limit,
+external decoder is called.")
+
+(defvar quoted-printable-internal-encoding-limit
+  (if (and (featurep 'xemacs)(featurep 'mule))
+      0
+    (require 'path-util)
+    (if (exec-installed-p "mmencode")
+        1000
+      (message "Don't found external encoder for Quoted-Printable!")
+      nil))
+  "*limit size to use internal quoted-printable encoder.
+If size of input to encode is larger than this limit,
+external encoder is called.")
+
+(defvar quoted-printable-internal-decoding-limit nil
+  "*limit size to use internal quoted-printable decoder.
+If size of input to decode is larger than this limit,
+external decoder is called.")
+
+
+;;; @ autoload
+;;;
 
+;; mel-dl
 (defvar base64-dl-module
   (and (fboundp 'dynamic-link)
        (let ((path (expand-file-name "base64.so" exec-directory)))
 	 (and (file-exists-p path)
 	      path))))
 
+(when base64-dl-module
+  (autoload 'base64-dl-encode-string "mel-dl"
+    "Encode STRING to base64, and return the result.")
+  (autoload 'base64-dl-decode-string "mel-dl"
+    "Decode STRING which is encoded in base64, and return the result.")
+  (autoload 'base64-dl-encode-region "mel-dl"
+    "Encode current region by base64." t)
+  (autoload 'base64-dl-decode-region "mel-dl"
+    "Decode current region by base64." t))
+
+;; mel-b
+(autoload 'base64-internal-encode-string "mel-b"
+  "Encode STRING to base64, and return the result.")
+(autoload 'base64-internal-decode-string "mel-b"
+  "Decode STRING which is encoded in base64, and return the result.")
+(autoload 'base64-internal-encode-region "mel-b"
+  "Encode current region by base64." t)
+(autoload 'base64-internal-decode-region "mel-b"
+  "Decode current region by base64." t)
+(autoload 'base64-internal-insert-encoded-file "mel-b"
+  "Encode contents of file to base64, and insert the result." t)
+(autoload 'base64-internal-write-decoded-region "mel-b"
+  "Decode and write current region encoded by base64 into FILENAME." t)
+
+(autoload 'base64-external-encode-string "mel-b"
+  "Encode STRING to base64, and return the result.")
+(autoload 'base64-external-decode-string "mel-b"
+  "Decode STRING which is encoded in base64, and return the result.")
+(autoload 'base64-external-encode-region "mel-b"
+  "Encode current region by base64." t)
+(autoload 'base64-external-decode-region "mel-b"
+  "Decode current region by base64." t)
+(autoload 'base64-external-insert-encoded-file "mel-b"
+  "Encode contents of file to base64, and insert the result." t)
+(autoload 'base64-external-write-decoded-region "mel-b"
+  "Decode and write current region encoded by base64 into FILENAME." t)
 
-;;; @ autoload
-;;;
+;; for encoded-word
+(autoload 'base64-internal-encoded-length "mel-b")
+
+;; mel-q
+(autoload 'quoted-printable-internal-encode-string "mel-q"
+  "Encode STRING to quoted-printable, and return the result.")
+(autoload 'quoted-printable-internal-decode-string "mel-q"
+  "Decode STRING which is encoded in quoted-printable, and return the result.")
+(autoload 'quoted-printable-internal-encode-region "mel-q"
+  "Encode current region by Quoted-Printable." t)
+(autoload 'quoted-printable-internal-decode-region "mel-q"
+  "Decode current region by Quoted-Printable." t)
 
-(cond (base64-dl-module
-       (autoload 'base64-encode-string "mel-dl"
-	 "Encode STRING to base64, and return the result.")
-       (autoload 'base64-decode-string "mel-dl"
-	 "Decode STRING which is encoded in base64, and return the result.")
-       (autoload 'base64-encode-region "mel-dl"
-	 "Encode current region by base64." t)
-       (autoload 'base64-decode-region "mel-dl"
-	 "Decode current region by base64." t)
-       (autoload 'base64-insert-encoded-file "mel-dl"
-	 "Encode contents of file to base64, and insert the result." t)
-       (autoload 'base64-write-decoded-region "mel-dl"
-	 "Decode and write current region encoded by base64 into FILENAME." t)
-       ;; for encoded-word
-       (autoload 'base64-encoded-length "mel-dl")
-       )
-      (t
-       (autoload 'base64-encode-string "mel-b"
-	 "Encode STRING to base64, and return the result.")
-       (autoload 'base64-decode-string "mel-b"
-	 "Decode STRING which is encoded in base64, and return the result.")
-       (autoload 'base64-encode-region "mel-b"
-	 "Encode current region by base64." t)
-       (autoload 'base64-decode-region "mel-b"
-	 "Decode current region by base64." t)
-       (autoload 'base64-insert-encoded-file "mel-b"
-	 "Encode contents of file to base64, and insert the result." t)
-       (autoload 'base64-write-decoded-region "mel-b"
-	 "Decode and write current region encoded by base64 into FILENAME." t)
-       ;; for encoded-word
-       (autoload 'base64-encoded-length "mel-b")
-       ))
-
-(autoload 'quoted-printable-encode-string "mel-q"
+(autoload 'quoted-printable-external-encode-string "mel-q"
   "Encode STRING to quoted-printable, and return the result.")
-(autoload 'quoted-printable-decode-string "mel-q"
+(autoload 'quoted-printable-external-decode-string "mel-q"
   "Decode STRING which is encoded in quoted-printable, and return the result.")
-(autoload 'quoted-printable-encode-region "mel-q"
+(autoload 'quoted-printable-external-encode-region "mel-q"
   "Encode current region by Quoted-Printable." t)
-(autoload 'quoted-printable-decode-region "mel-q"
+(autoload 'quoted-printable-external-decode-region "mel-q"
   "Decode current region by Quoted-Printable." t)
-(autoload 'quoted-printable-insert-encoded-file "mel-q"
+
+(autoload 'quoted-printable-external-insert-encoded-file "mel-q"
   "Encode contents of file to quoted-printable, and insert the result." t)
-(autoload 'quoted-printable-write-decoded-region "mel-q"
+(autoload 'quoted-printable-external-write-decoded-region "mel-q"
   "Decode and write current region encoded by quoted-printable into FILENAME."
   t)
+
 ;; for encoded-word
-(autoload 'q-encoding-encode-string "mel-q"
+(autoload 'q-encoding-internal-encode-string "mel-q"
   "Encode STRING to Q-encoding of encoded-word, and return the result.")
-(autoload 'q-encoding-decode-string "mel-q"
+(autoload 'q-encoding-internal-decode-string "mel-q"
   "Decode STRING which is encoded in Q-encoding and return the result.")
-(autoload 'q-encoding-encoded-length "mel-q")
+(autoload 'q-encoding-internal-encoded-length "mel-q")
 
-(autoload 'uuencode-encode-region "mel-u"
+;; mel-u
+(autoload 'uuencode-external-encode-region "mel-u"
   "Encode current region by unofficial uuencode format." t)
-(autoload 'uuencode-decode-region "mel-u"
+(autoload 'uuencode-external-decode-region "mel-u"
   "Decode current region by unofficial uuencode format." t)
-(autoload 'uuencode-insert-encoded-file "mel-u"
+(autoload 'uuencode-external-insert-encoded-file "mel-u"
   "Insert file encoded by unofficial uuencode format." t)
-(autoload 'uuencode-write-decoded-region "mel-u"
+(autoload 'uuencode-external-write-decoded-region "mel-u"
   "Decode and write current region encoded by uuencode into FILENAME." t)
 
-(autoload 'gzip64-encode-region "mel-g"
+;; mel-g
+(autoload 'gzip64-external-encode-region "mel-g"
   "Encode current region by unofficial x-gzip64 format." t)
-(autoload 'gzip64-decode-region "mel-g"
+(autoload 'gzip64-external-decode-region "mel-g"
   "Decode current region by unofficial x-gzip64 format." t)
-(autoload 'gzip64-insert-encoded-file "mel-g"
+(autoload 'gzip64-external-insert-encoded-file "mel-g"
   "Insert file encoded by unofficial gzip64 format." t)
-(autoload 'gzip64-write-decoded-region "mel-g"
+(autoload 'gzip64-external-write-decoded-region "mel-g"
   "Decode and write current region encoded by gzip64 into FILENAME." t)
 
+;; mel-ccl
+(when (fboundp 'make-ccl-coding-system)
+  (unless (and (boundp 'ccl-encoder-eof-block-is-broken)
+               ccl-encoder-eof-block-is-broken)
+    (autoload 'base64-ccl-encode-string "mel-ccl"
+      "Encode STRING with base64 encoding.")
+    (autoload 'base64-ccl-encode-region "mel-ccl"
+      "Encode region from START to END with base64 encoding." t)
+    (autoload 'base64-ccl-insert-encoded-file "mel-ccl"
+      "Encode contents of file FILENAME to base64, and insert the result." t))
+
+  (autoload 'base64-ccl-decode-string "mel-ccl"
+    "Decode base64 encoded STRING")
+  (autoload 'base64-ccl-decode-region "mel-ccl"
+    "Decode base64 encoded STRING" t)
+  (autoload 'base64-ccl-write-decoded-region "mel-ccl"
+    "Decode the region from START to END and write out to FILENAME." t)
+
+  (unless (and (boundp 'ccl-encoder-eof-block-is-broken)
+               ccl-encoder-eof-block-is-broken)
+    (autoload 'quoted-printable-ccl-encode-string "mel-ccl"
+      "Encode STRING with quoted-printable encoding.")
+    (autoload 'quoted-printable-ccl-encode-region "mel-ccl"
+      "Encode the region from START to END with quoted-printable
+  encoding." t)
+    (autoload 'quoted-printable-ccl-insert-encoded-file "mel-ccl"
+      "Encode contents of the file named as FILENAME, and insert it." t))
+
+  (autoload 'quoted-printable-ccl-decode-string "mel-ccl"
+    "Decode quoted-printable encoded STRING.")
+  (autoload 'quoted-printable-ccl-decode-region "mel-ccl"
+    "Decode the region from START to END with quoted-printable
+  encoding.")
+  (autoload 'quoted-printable-ccl-write-decoded-region "mel-ccl"
+    "Decode quoted-printable encoded current region and write out to FILENAME." t)
+
+  (autoload 'q-encoding-ccl-encode-string "mel-ccl"
+    "Encode STRING to Q-encoding of encoded-word, and return the result.
+  MODE allows `text', `comment', `phrase' or nil.  Default value is
+  `phrase'.")
+  (autoload 'q-encoding-ccl-decode-string "mel-ccl"
+    "Decode Q encoded STRING and return the result.")
+
+  (unless running-xemacs
+    (autoload 'q-encoding-ccl-encoded-length "mel-ccl"
+      "Encode STRING to Q-encoding of encoded-word, and return the result.
+MODE allows `text', `comment', `phrase' or nil.  Default value is
+`phrase'.")
+    )
+  )
+
+
+;;; @ entrance functions.
+;;;
+
+(cond
+ ((fboundp 'base64-dl-encode-string)
+  (defalias 'base64-encode-string 'base64-dl-encode-string))
+ ((fboundp 'base64-ccl-encode-string)
+  (defalias 'base64-encode-string 'base64-ccl-encode-string))
+ (t
+  (defalias 'base64-encode-string 'base64-internal-encode-string)))
+
+(defun base64-internal-external-decode-string (string)
+  "Decode STRING which is encoded in base64, and return the result.
+This function calls internal base64 decoder if size of STRING is
+smaller than `base64-internal-decoding-limit', otherwise it calls
+external base64 decoder specified by `base64-external-decoder'.  In
+this case, you must install the program (maybe mmencode included in
+metamail or XEmacs package)."
+  (interactive "r")
+  (if (and base64-internal-decoding-limit
+           (> (length string) base64-internal-decoding-limit))
+      (base64-external-decode-string string)
+    (base64-internal-decode-string string)))
+
+(cond
+ ((fboundp 'base64-dl-decode-string)
+  (defalias 'base64-decode-string 'base64-dl-decode-string))
+ ((fboundp 'base64-ccl-decode-string)
+  (defalias 'base64-decode-string 'base64-ccl-decode-string))
+ (t
+  (defalias 'base64-decode-string 'base64-internal-external-decode-string)))
+
+(defun base64-internal-external-encode-region (start end)
+  "Encode current region by base64.
+START and END are buffer positions.
+This function calls internal base64 encoder if size of region is
+smaller than `base64-internal-encoding-limit', otherwise it calls
+external base64 encoder specified by `base64-external-encoder'.  In
+this case, you must install the program (maybe mmencode included in
+metamail or XEmacs package)."
+  (interactive "r")
+  (if (and base64-internal-encoding-limit
+           (> (- end start) base64-internal-encoding-limit))
+      (base64-external-encode-region start end)
+    (base64-internal-encode-region start end)))
+
+(cond
+ ((fboundp 'base64-dl-encode-region)
+  (defalias 'base64-encode-region 'base64-dl-encode-region)) ; no fold
+ ((fboundp 'base64-ccl-encode-region)
+  (defalias 'base64-encode-region 'base64-ccl-encode-region)) ; LF fold
+ (t
+  (defalias 'base64-encode-region 'base64-internal-external-encode-region))) ; LF fold
+
+(defun base64-internal-external-decode-region (start end)
+  "Decode current region by base64.
+START and END are buffer positions.
+This function calls internal base64 decoder if size of region is
+smaller than `base64-internal-decoding-limit', otherwise it calls
+external base64 decoder specified by `base64-external-decoder'.  In
+this case, you must install the program (maybe mmencode included in
+metamail or XEmacs package)."
+  (interactive "r")
+  (if (and base64-internal-decoding-limit
+           (> (- end start) base64-internal-decoding-limit))
+      (base64-external-decode-region start end)
+    (base64-internal-decode-region start end)))
+
+(cond
+ ((fboundp 'base64-dl-decode-region)
+  (defalias 'base64-decode-region 'base64-dl-decode-region))
+ ((fboundp 'base64-ccl-decode-region)
+  (defalias 'base64-decode-region 'base64-ccl-decode-region))
+ (t
+  (defalias 'base64-decode-region 'base64-internal-external-decode-region)))
+
+(defun base64-internal-external-insert-encoded-file (filename)
+  "Encode contents of file FILENAME to base64, and insert the result.
+It calls external base64 encoder specified by
+`base64-external-encoder'.  So you must install the program (maybe
+mmencode included in metamail or XEmacs package)."
+  (interactive (list (read-file-name "Insert encoded file: ")))
+  (if (and base64-internal-encoding-limit
+           (> (nth 7 (file-attributes filename))
+              base64-internal-encoding-limit))
+      (base64-external-insert-encoded-file filename)
+    (base64-internal-insert-encoded-file filename)))
+
+(cond
+ ((fboundp 'base64-ccl-insert-encoded-file)
+  (defalias 'base64-insert-encoded-file 'base64-ccl-insert-encoded-file))
+ (t
+  (defalias 'base64-insert-encoded-file 'base64-internal-external-insert-encoded-file)))
+
+(defun base64-internal-external-write-decoded-region (start end filename)
+  "Decode and write current region encoded by base64 into FILENAME.
+START and END are buffer positions."
+  (interactive
+   (list (region-beginning) (region-end)
+         (read-file-name "Write decoded region to file: ")))
+  (if (and base64-internal-decoding-limit
+           (> (- end start) base64-internal-decoding-limit))
+      (base64-external-write-decoded-region start end filename)
+    (base64-internal-write-decoded-region start end filename)))
+
+(cond
+ ((fboundp 'base64-ccl-write-decoded-region)
+  (defalias 'base64-write-decoded-region 'base64-ccl-write-decoded-region))
+ (t
+  (defalias 'base64-write-decoded-region 'base64-internal-external-write-decoded-region)))
+
+(cond
+ (t
+  (defalias 'base64-encoded-length 'base64-internal-encoded-length)))
+
+(cond
+ ((fboundp 'quoted-printable-ccl-encode-string)
+  (defalias 'quoted-printable-encode-string 'quoted-printable-ccl-encode-string))
+ (t
+  (defun quoted-printable-encode-string (string)
+    "Encode STRING to quoted-printable, and return the result."
+    (if (and quoted-printable-internal-encoding-limit
+	     (> (length string) quoted-printable-internal-encoding-limit))
+	(quoted-printable-external-encode-string string)
+      (quoted-printable-internal-encode-string string)))))
+
+(cond
+ ((fboundp 'quoted-printable-ccl-decode-string)
+  (defalias 'quoted-printable-decode-string 'quoted-printable-ccl-decode-string))
+ (t
+  (defun quoted-printable-decode-string (string)
+    "Decode STRING which is encoded in quoted-printable, and return the result."
+    (if (and quoted-printable-internal-decoding-limit
+	     (> (length string) quoted-printable-internal-decoding-limit))
+	(quoted-printable-external-decode-string string)
+      (quoted-printable-internal-decode-string string)))))
+
+(cond
+ ((fboundp 'quoted-printable-ccl-encode-region)
+  (defalias 'quoted-printable-encode-region 'quoted-printable-ccl-encode-region))
+ (t
+  (defun quoted-printable-encode-region (start end)
+    "Encode current region by quoted-printable.
+START and END are buffer positions.
+This function calls internal quoted-printable encoder if size of
+region is smaller than `quoted-printable-internal-encoding-limit',
+otherwise it calls external quoted-printable encoder specified by
+`quoted-printable-external-encoder'.  In this case, you must install
+the program (maybe mmencode included in metamail or XEmacs package)."
+    (interactive "r")
+    (if (and quoted-printable-internal-encoding-limit
+	     (> (- end start) quoted-printable-internal-encoding-limit))
+	(quoted-printable-external-encode-region start end)
+      (quoted-printable-internal-encode-region start end)
+      ))))
+
+(cond
+ ((fboundp 'quoted-printable-ccl-decode-region)
+  (defalias 'quoted-printable-decode-region 'quoted-printable-ccl-decode-region))
+ (t
+  (defun quoted-printable-decode-region (start end)
+    "Decode current region by quoted-printable.
+START and END are buffer positions.
+This function calls internal quoted-printable decoder if size of
+region is smaller than `quoted-printable-internal-decoding-limit',
+otherwise it calls external quoted-printable decoder specified by
+`quoted-printable-external-decoder'.  In this case, you must install
+the program (maybe mmencode included in metamail or XEmacs package)."
+    (interactive "r")
+    (if (and quoted-printable-internal-decoding-limit
+	     (> (- end start) quoted-printable-internal-decoding-limit))
+	(quoted-printable-external-decode-region start end)
+      (quoted-printable-internal-decode-region start end)
+      ))))
+
+(cond
+ ((fboundp 'quoted-printable-ccl-insert-encoded-file)
+  (defalias 'quoted-printable-insert-encoded-file 'quoted-printable-ccl-insert-encoded-file))
+ (t
+  (defalias 'quoted-printable-insert-encoded-file 'quoted-printable-external-insert-encoded-file)))
+
+(cond
+ ((fboundp 'quoted-printable-ccl-write-decoded-region)
+  (defalias 'quoted-printable-write-decoded-region 'quoted-printable-ccl-write-decoded-region))
+ (t
+  (defalias 'quoted-printable-write-decoded-region 'quoted-printable-external-write-decoded-region)))
+
+(cond
+ ((fboundp 'q-encoding-ccl-encode-string)
+  (defalias 'q-encoding-encode-string 'q-encoding-ccl-encode-string))
+ (t
+  (defalias 'q-encoding-encode-string 'q-encoding-internal-encode-string)))
+
+(cond
+ ((fboundp 'q-encoding-ccl-decode-string)
+  (defalias 'q-encoding-decode-string 'q-encoding-ccl-decode-string))
+ (t
+  (defalias 'q-encoding-decode-string 'q-encoding-internal-decode-string)))
+
+(cond
+ ((fboundp 'q-encoding-ccl-encoded-length)
+  (defalias 'q-encoding-encoded-length 'q-encoding-ccl-encoded-length))
+ (t
+  (defalias 'q-encoding-encoded-length 'q-encoding-internal-encoded-length)))
+
+(cond
+ (t
+  (defalias 'uuencode-encode-region 'uuencode-external-encode-region)))
+
+(cond
+ (t
+  (defalias 'uuencode-decode-region 'uuencode-external-decode-region)))
+
+(cond
+ (t
+  (defalias 'uuencode-insert-encoded-file 'uuencode-external-insert-encoded-file)))
+
+(cond
+ (t
+  (defalias 'uuencode-write-decoded-region 'uuencode-external-write-decoded-region)))
+
+(cond
+ (t
+  (defalias 'gzip64-encode-region 'gzip64-external-encode-region)))
+
+(cond
+ (t
+  (defalias 'gzip64-decode-region 'gzip64-external-decode-region)))
+
+(cond
+ (t
+  (defalias 'gzip64-insert-encoded-file 'gzip64-external-insert-encoded-file)))
+
+(cond
+ (t
+  (defalias 'gzip64-write-decoded-region 'gzip64-external-write-decoded-region)))
 
 ;;; @ region
 ;;;
@@ -191,6 +518,38 @@ region by its value."
       )))
 
 
+;;; @ string
+;;;
+
+;;;###autoload
+(defvar mime-string-decoding-method-alist
+  '(("base64"           . base64-decode-string)
+    ("quoted-printable" . quoted-printable-decode-string)
+    ("7bit"		. identity)
+    ("8bit"		. identity)
+    ("binary"		. identity)
+    )
+  "Alist of encoding vs. corresponding method to decode string.
+Each element looks like (STRING . FUNCTION).
+STRING is content-transfer-encoding.
+FUNCTION is string decoder.")
+
+;;;###autoload
+(defun mime-decode-string (string encoding)
+  "Decode STRING using ENCODING.
+ENCODING must be string.  If ENCODING is found in
+`mime-string-decoding-method-alist' as its key, this function decodes
+the STRING by its value."
+  (let ((f (cdr (assoc encoding mime-string-decoding-method-alist))))
+    (if f
+	(funcall f string)
+      (with-temp-buffer
+	(insert string)
+	(mime-decode-region (point-min)(point-max) encoding)
+	(buffer-string)
+	))))
+
+
 ;;; @ file
 ;;;