;;;; representations thereof
(defpackage :charcode
- (:use :cl #+sbcl :sb-gray #-sbcl :gray)
+ (:use :cl)
(:export "MAKE-ENCODER" "MAKE-DECODER" "ENCODE-STRING" "DECODE-STRING" "SYSTEM-CHARSET"
"NO-CODEC-ERROR" "CODING-ERROR"
"MAKE-CODEC-CHARACTER-STREAM"
;;; Gray stream implementation
+;; Disabled for now. There doesn't seem to be any good way to get
+;; these working generally over various implementations.
+
+#+unused (
(defclass codec-character-stream (fundamental-character-input-stream fundamental-character-output-stream)
((decoder :initarg :decoder)
(encoder :initarg :encoder)
(let ((outbuf (make-array (list (- end start)) :element-type '(unsigned-byte 8) :adjustable t :fill-pointer 0)))
(funcall encoder seq outbuf)
(write-sequence outbuf back))))
+)
;;; Implementation-specific functions
(declare (type character char))
(char-code char))
+#+ecl
+(defun unicode->char (unicode)
+ (declare (type (unsigned-byte 24) unicode))
+ (when (>= unicode 256)
+ (error "ECL does not handle Unicode characters outside Latin-1."))
+ (code-char unicode))
+
+#+ecl
+(defun char->unicode (char)
+ (declare (type character char))
+ (char-code char))
+
;;; ASCII
(defun decode-ascii (byteseq charseq &key (start 0) (end (length byteseq)))