(let ((len (length str)))
(and
(<= 3 len)
- (string= (substring str 0 2) "=?")
- (string= (substring str (- len 2) len) "?="))))
+ (eq (aref str 0) ?=)
+ (eq (aref str 1) ??)
+ (eq (aref str (- len 2)) ??)
+ (eq (aref str (1- len)) ?=))))
(defun ew-decode-eword (str &optional eword-filter1 eword-filter2)
(if (string-match ew-anchored-encoded-word-regexp str)
(defalias 'ew-b-decode 'base64-decode-string)
(defalias 'ew-q-decode 'q-encoding-decode-string)
-(defconst ew-charset-aliases
- '((us-ascii . iso-8859-1)
- (iso-2022-jp-2 . iso-2022-7bit-ss2)
- (x-ctext . ctext)
- ))
-
(defun ew-char-decoder (charset)
- (catch 'return
- (setq charset (downcase charset))
- (let ((sym (intern charset))
- tmp cs)
- (when (setq tmp (assq sym ew-charset-aliases))
- (setq sym (cdr tmp)))
- (setq cs (intern (concat (symbol-name sym) "-unix")))
- (when (coding-system-p cs)
- (throw 'return
- (closure-make (lambda (str) (decode-coding-string str cs)) cs)))
- nil)))
+ (let ((sym (intern (downcase charset))))
+ (when (mime-charset-to-coding-system sym 'LF)
+ (closure-make
+ (lambda (str) (decode-mime-charset-string str sym 'LF))
+ sym))))