X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=tm-ew-e.el;h=1461b6531f40b478fcd3fae6319f1b4c1c279256;hb=35672b48af5395d295a12391eeff6b9361d0ba2e;hp=7c554ce95a4a2ab61af1b9d2011d8d9a45d2b44d;hpb=41d5dc858309ac959ea7305b10d776b1398c73d1;p=elisp%2Ftm.git

diff --git a/tm-ew-e.el b/tm-ew-e.el
index 7c554ce..1461b65 100644
--- a/tm-ew-e.el
+++ b/tm-ew-e.el
@@ -6,7 +6,7 @@
 ;;; Copyright (C) 1993 .. 1996 MORIOKA Tomohiko
 ;;;
 ;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;;; Version: $Revision: 7.12 $
+;;; Version: $Revision: 7.37 $
 ;;; Keywords: mail, news, MIME, RFC 1522, multilingual, encoded-word
 ;;;
 ;;; This file is part of tm (Tools for MIME).
@@ -36,7 +36,7 @@
 ;;;
 
 (defconst tm-ew-e/RCS-ID
-  "$Id: tm-ew-e.el,v 7.12 1996/01/11 18:31:43 morioka Exp $")
+  "$Id: tm-ew-e.el,v 7.37 1996/07/10 12:52:46 morioka Exp $")
 (defconst mime-eword/encoder-version (get-version-string tm-ew-e/RCS-ID))
 
 
@@ -48,24 +48,23 @@
 (defvar mime/use-X-Nsubject nil)
 
 (defvar mime-eword/charset-encoding-alist
-  '(("US-ASCII"       . nil)
-    ("ISO-8859-1"     . "Q")
-    ("ISO-8859-2"     . "Q")
-    ("ISO-8859-3"     . "Q")
-    ("ISO-8859-4"     . "Q")
-;;; ("ISO-8859-5"     . "Q")
-    ("KOI8-R"         . "Q")
-    ("ISO-8859-7"     . "Q")
-    ("ISO-8859-8"     . "Q")
-    ("ISO-8859-9"     . "Q")
-    ("ISO-2022-JP"    . "B")
-    ("ISO-2022-KR"    . "B")
-    ("EUC-KR"         . "B")
-    ("ISO-2022-JP-2"  . "B")
-    ("ISO-2022-INT-1" . "B")
+  '((us-ascii		. nil)
+    (iso-8859-1		. "Q")
+    (iso-8859-2		. "Q")
+    (iso-8859-3		. "Q")
+    (iso-8859-4		. "Q")
+    (iso-8859-5		. "Q")
+    (koi8-r		. "Q")
+    (iso-8859-7		. "Q")
+    (iso-8859-8		. "Q")
+    (iso-8859-9		. "Q")
+    (iso-2022-jp	. "B")
+    (iso-2022-kr	. "B")
+    (euc-kr		. "B")
+    (iso-2022-jp-2	. "B")
+    (iso-2022-int-1	. "B")
     ))
 
-
 ;;; @ encoded-text encoder
 ;;;
 
@@ -78,7 +77,8 @@
 	       )
 	 ))
     (if text
-	(concat "=?" charset "?" encoding "?" text "?=")
+	(concat "=?" (upcase (symbol-name charset)) "?"
+		encoding "?" text "?=")
       )))
 
 
@@ -92,20 +92,18 @@
     ))
 
 (defun tm-eword::parse-lc-word (str)
-  (let* ((rest (string-to-char-list str))
-	 (chr (car rest))
+  (let* ((chr (sref str 0))
 	 (lc (tm-eword::char-type chr))
-	 (p (char-bytes chr))
+	 (i (char-length chr))
+	 (len (length str))
 	 )
-    (catch 'tag
-      (while (setq rest (cdr rest))
-	(setq chr (car rest))
-	(if (not (eq lc (tm-eword::char-type chr)))
-	    (throw 'tag nil)
-	  )
-	(setq p (+ p (char-bytes chr)))
-	))
-    (cons (cons lc (substring str 0 p)) (substring str p))
+    (while (and (< i len)
+		(setq chr (sref str i))
+		(eq lc (tm-eword::char-type chr))
+		)
+      (setq i (+ i (char-length chr)))
+      )
+    (cons (cons lc (substring str 0 i)) (substring str i))
     ))
 
 (defun tm-eword::split-to-lc-words (str)
@@ -160,20 +158,31 @@
 ;;; @ rule
 ;;;
 
-(defun tm-eword::find-charset-rule (lcl)
-  (if lcl
-      (let* ((charset (mime/find-charset lcl))
-	     (encoding
-	      (cdr (assoc charset mime-eword/charset-encoding-alist))
-	      ))
+(defmacro tm-eword::make-rword (text charset encoding type)
+  (` (list (, text)(, charset)(, encoding)(, type))))
+(defmacro tm-eword::rword-text (rword)
+  (` (car (, rword))))
+(defmacro tm-eword::rword-charset (rword)
+  (` (car (cdr (, rword)))))
+(defmacro tm-eword::rword-encoding (rword)
+  (` (car (cdr (cdr (, rword))))))
+(defmacro tm-eword::rword-type (rword)
+  (` (car (cdr (cdr (cdr (, rword)))))))
+
+(defun tm-eword::find-charset-rule (charsets)
+  (if charsets
+      (let* ((charset (charsets-to-mime-charset charsets))
+	     (encoding (cdr (assq charset mime-eword/charset-encoding-alist)))
+	     )
 	(list charset encoding)
 	)))
 
-(defun tm-eword::words-to-ruled-words (wl)
+(defun tm-eword::words-to-ruled-words (wl &optional mode)
   (mapcar (function
 	   (lambda (word)
-	     (cons (cdr word) (tm-eword::find-charset-rule (car word)))
-	     ))
+	     (let ((ret (tm-eword::find-charset-rule (car word))))
+	       (tm-eword::make-rword (cdr word) (car ret)(nth 1 ret) mode)
+	       )))
 	  wl))
 
 (defun tm-eword::space-process (seq)
@@ -182,13 +191,14 @@
       (setq b (car seq))
       (setq seq (cdr seq))
       (setq c (car seq))
-      (setq cc (nth 1 c))
-      (if (null (nth 1 b))
+      (setq cc (tm-eword::rword-charset c))
+      (if (null (tm-eword::rword-charset b))
 	  (progn
 	    (setq a (car prev))
-	    (setq ac (nth 1 a))
-	    (if (and (nth 2 a)(nth 2 c))
-		(cond ((equal ac cc)
+	    (setq ac (tm-eword::rword-charset a))
+	    (if (and (tm-eword::rword-encoding a)
+		     (tm-eword::rword-encoding c))
+		(cond ((eq ac cc)
 		       (setq prev (cons
 				   (cons (concat (car a)(car b)(car c))
 					 (cdr a))
@@ -210,60 +220,40 @@
     (reverse prev)
     ))
 
-(defun tm-eword::split-string (str)
+(defun tm-eword::split-string (str &optional mode)
   (tm-eword::space-process
-   (tm-eword::words-to-ruled-words
-    (tm-eword::lc-words-to-words
-     (tm-eword::split-to-lc-words str)
-     ))))
+   (tm-eword::words-to-ruled-words (tm-eword::lc-words-to-words
+				    (tm-eword::split-to-lc-words str))
+				   mode)))
 
 
 ;;; @ length
 ;;;
 
-(defun base64-length (string)
-  (let ((l (length string)))
-    (* (+ (/ l 3)
-	  (if (= (mod l 3) 0) 0 1)
-	  ) 4)
-    ))
-
-(defun q-encoding-length (string)
-  (let ((l 0)(i 0)(len (length string)) chr)
-    (while (< i len)
-      (setq chr (elt string i))
-      (if (string-match "[A-Za-z0-9!*+/=_---]" (char-to-string chr))
-	  (setq l (+ l 1))
-	(setq l (+ l 3))
-	)
-      (setq i (+ i 1)) )
-    l))
-
 (defun tm-eword::encoded-word-length (rword)
-  (let ((charset  (nth 1 rword))
-	(encoding (nth 2 rword))
-	(string   (car rword))
+  (let ((string   (tm-eword::rword-text     rword))
+	(charset  (tm-eword::rword-charset  rword))
+	(encoding (tm-eword::rword-encoding rword))
 	ret)
     (setq ret
-	  (cond ((equal encoding "B")
-		 (setq string
-		       (mime/convert-string-from-emacs string charset))
-		 (base64-length string)
+	  (cond ((string-equal encoding "B")
+		 (setq string (encode-mime-charset-string string charset))
+		 (base64-encoded-length string)
 		 )
-		((equal encoding "Q")
-		 (setq string
-		       (mime/convert-string-from-emacs string charset))
-		 (q-encoding-length string)
+		((string-equal encoding "Q")
+		 (setq string (encode-mime-charset-string string charset))
+		 (q-encoding-encoded-length string
+					    (tm-eword::rword-type rword))
 		 )))
     (if ret
-	(cons (+ 7 (length charset) ret) string)
+	(cons (+ 7 (length (symbol-name charset)) ret) string)
       )))
 
 
 ;;; @ encode-string
 ;;;
 
-(defun tm-eword::encode-string-1 (column rwl &optional mode)
+(defun tm-eword::encode-string-1 (column rwl)
   (let* ((rword (car rwl))
 	 (ret (tm-eword::encoded-word-length rword))
 	 string len)
@@ -282,56 +272,66 @@
 		  )
 	     (setq string
 		   (tm-eword::encode-encoded-text
-		    (nth 1 rword) (nth 2 rword) (cdr ret)
+		    (tm-eword::rword-charset rword)
+		    (tm-eword::rword-encoding rword)
+		    (cdr ret)
+		    (tm-eword::rword-type rword)
 		    ))
 	     (setq len (+ (length string) column))
 	     (setq rwl (cdr rwl))
 	     )
 	    (t
 	     (setq string (car rword))
-	     (let* ((ls (reverse (string-to-char-list string)))
-		    (sl (length string))
-		    (p sl) str)
-	       (while (and ls
+	     (let* ((sl (length string))
+		    (p 0) np
+		    (str "") nstr)
+	       (while (and (< p len)
 			   (progn
-			     (setq p (- p (char-bytes (car ls))))
-			     (setq str (substring string 0 p))
+			     (setq np (+ p (char-length (sref string p))))
+			     (setq nstr (substring string 0 np))
 			     (setq ret (tm-eword::encoded-word-length
-					(cons str (cdr rword))
+					(cons nstr (cdr rword))
 					))
-			     (setq str (cdr ret))
+			     (setq nstr (cdr ret))
 			     (setq len (+ (car ret) column))
-			     (> len 76)
+			     (<= len 76)
 			     ))
-		 (setq ls (cdr ls))
-		 )
-	       (if (and ls (not (string= str "")))
-		   (progn
-		     (setq rwl (cons (cons (substring string p) (cdr rword))
-				     (cdr rwl)))
-		     (setq string
-			   (tm-eword::encode-encoded-text
-			    (nth 1 rword) (nth 2 rword) str))
-		     (setq len (+ (length string) column))
-		     )
-		 (setq string "\n ")
-		 (setq len 1)
+		 (setq str nstr
+		       p np))
+	       (if (string-equal str "")
+		   (setq string "\n "
+			 len 1)
+		 (setq rwl (cons (cons (substring string p) (cdr rword))
+				 (cdr rwl)))
+		 (setq string
+		       (tm-eword::encode-encoded-text
+			(tm-eword::rword-charset rword)
+			(tm-eword::rword-encoding rword)
+			str
+			(tm-eword::rword-type rword)))
+		 (setq len (+ (length string) column))
 		 )
 	       )))
       )
     (list string len rwl)
     ))
 
-(defun tm-eword::encode-rwl (column rwl &optional mode)
-  (let (ret dest ps special str)
+(defun tm-eword::encode-rwl (column rwl)
+  (let (ret dest ps special str ew-f pew-f)
     (while rwl
-      (setq ret (tm-eword::encode-string-1 column rwl mode))
+      (setq ew-f (nth 2 (car rwl)))
+      (if (and pew-f ew-f)
+	  (setq rwl (cons '(" ") rwl)
+		pew-f nil)
+	(setq pew-f ew-f)
+	)
+      (setq ret (tm-eword::encode-string-1 column rwl))
       (setq str (car ret))
       (if (eq (elt str 0) ?\n)
 	  (if (eq special ?\()
 	      (progn
 		(setq dest (concat dest "\n ("))
-		(setq ret (tm-eword::encode-string-1 2 rwl mode))
+		(setq ret (tm-eword::encode-string-1 2 rwl))
 		(setq str (car ret))
 		))
 	(cond ((eq special 32)
@@ -366,7 +366,7 @@
     ))
 
 (defun tm-eword::encode-string (column str &optional mode)
-  (tm-eword::encode-rwl column (tm-eword::split-string str) mode)
+  (tm-eword::encode-rwl column (tm-eword::split-string str mode))
   )
 
 
@@ -383,8 +383,11 @@
 	     (setq dest
 		   (append dest
 			   (list
-			    (cons str (tm-eword::find-charset-rule
-				       (find-charset-string str)))
+			    (let ((ret (tm-eword::find-charset-rule
+					(find-charset-string str))))
+			      (tm-eword::make-rword
+			       str (car ret)(nth 1 ret) 'phrase)
+			      )
 			    )))
 	     )
 	    ((eq type 'comment)
@@ -393,7 +396,8 @@
 			   '(("(" nil nil))
 			   (tm-eword::words-to-ruled-words
 			    (tm-eword::lc-words-to-words
-			     (tm-eword::split-to-lc-words (cdr token))))
+			     (tm-eword::split-to-lc-words (cdr token)))
+			    'comment)
 			   '((")" nil nil))
 			   ))
 	     )
@@ -402,7 +406,7 @@
 				(tm-eword::words-to-ruled-words
 				 (tm-eword::lc-words-to-words
 				  (tm-eword::split-to-lc-words (cdr token))
-				  ))))
+				  ) 'phrase)))
 	     ))
       (setq phrase (cdr phrase))
       )
@@ -443,7 +447,7 @@
 	      (append dest
 		      '((" " nil nil)
 			("(" nil nil))
-		      (tm-eword::split-string comment)
+		      (tm-eword::split-string comment 'comment)
 		      '((")" nil nil))
 		      )))
     dest))
@@ -474,39 +478,43 @@
 (defun mime/encode-field (str)
   (setq str (rfc822/unfolding-string str))
   (let ((ret (string-match rfc822/field-top-regexp str)))
-    (if ret
-	(let ((field-name (substring str 0 (match-end 1)))
-	      (field-body (eliminate-top-spaces
-			   (substring str (match-end 0))))
-	      fname)
-	  (concat field-name ": "
-		  (cond ((string= field-body "") "")
-			((member (setq fname (downcase field-name))
-				 '("reply-to" "from" "sender"
-				   "resent-reply-to" "resent-from"
-				   "resent-sender" "to" "resent-to"
-				   "cc" "resent-cc"
-				   "bcc" "resent-bcc" "dcc")
-				 )
-			 (car (tm-eword::encode-address-list
-			       (+ (length field-name) 1) field-body))
-			 )
-			(t
-			 (catch 'tag
-			   (let ((r mime/no-encoding-header-fields) fn)
-			     (while r
-			       (setq fn (car r))
-			       (if (string= (downcase fn) fname)
-				   (throw 'tag field-body)
-				 )
-			       (setq r (cdr r))
-			       ))
-			   (car (tm-eword::encode-string
-				 (+ (length field-name) 1) field-body))
-			   ))
-			))
-	  )
-      str)))
+    (or (if ret
+	    (let ((field-name (substring str 0 (match-end 1)))
+		  (field-body (eliminate-top-spaces
+			       (substring str (match-end 0))))
+		  fname)
+	      (if (setq ret
+			(cond ((string= field-body "") "")
+			      ((member (setq fname (downcase field-name))
+				       '("reply-to" "from" "sender"
+					 "resent-reply-to" "resent-from"
+					 "resent-sender" "to" "resent-to"
+					 "cc" "resent-cc"
+					 "bcc" "resent-bcc" "dcc")
+				       )
+			       (car (tm-eword::encode-address-list
+				     (+ (length field-name) 2) field-body))
+			       )
+			      (t
+			       (catch 'tag
+				 (let ((r mime/no-encoding-header-fields)
+				       fn)
+				   (while r
+				     (setq fn (car r))
+				     (if (string= (downcase fn) fname)
+					 (throw 'tag field-body)
+				       )
+				     (setq r (cdr r))
+				     ))
+				 (car (tm-eword::encode-string
+				       (+ (length field-name) 1)
+				       field-body 'text))
+				 ))
+			      ))
+		  (concat field-name ": " ret)
+		)))
+	(car (tm-eword::encode-string 0 str))
+	)))
 
 (defun mime/exist-encoded-word-in-subject ()
   (let ((str (rfc822/get-field-body "Subject")))
@@ -518,13 +526,12 @@
   (save-excursion
     (save-restriction
       (narrow-to-region (goto-char (point-min))
-			(progn
-			  (re-search-forward
-			   (concat
-			    "^" (regexp-quote mail-header-separator) "$")
-			   nil t)
-			  (match-beginning 0)
-			  ))
+			(if (re-search-forward
+			     (concat
+			      "^" (regexp-quote mail-header-separator) "$")
+			     nil t)
+			    (match-beginning 0)
+			  (point-max)))
       (goto-char (point-min))
       (let (beg end field)
 	(while (re-search-forward rfc822/field-top-regexp nil t)
@@ -552,8 +559,7 @@
       )))
 
 (defun mime-eword/encode-string (str &optional column mode)
-  (car (tm-eword::encode-rwl (or column 0)
-			     (tm-eword::split-string str) mode))
+  (car (tm-eword::encode-rwl (or column 0) (tm-eword::split-string str mode)))
   )