utf8.h

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#ifndef __UTF8_H__
#define __UTF8_H__
 
/* utf8.h -- convert characters to/from UTF-8
 
  (c) 1998-2006 (W3C) MIT, ERCIM, Keio University
  See tidy.h for the copyright notice.
 
*/
 
#include "tidyplatform.h"
#include "tidybuffio.h"
 
/* UTF-8 encoding/decoding support
** Does not convert character "codepoints", i.e. to/from 10646.
*/
 
TY_PRIVATE int TY_(DecodeUTF8BytesToChar)( uint* c, uint firstByte, ctmbstr successorBytes,
                                TidyInputSource* inp, int* count );
 
TY_PRIVATE int TY_(EncodeCharToUTF8Bytes)( uint c, tmbstr encodebuf,
                                TidyOutputSink* outp, int* count );
 
 
TY_PRIVATE uint  TY_(GetUTF8)( ctmbstr str, uint *ch );
TY_PRIVATE tmbstr TY_(PutUTF8)( tmbstr buf, uint c );
 
#define UNICODE_BOM_BE   0xFEFF   /* big-endian (default) UNICODE BOM */
#define UNICODE_BOM      UNICODE_BOM_BE
#define UNICODE_BOM_LE   0xFFFE   /* little-endian UNICODE BOM */
#define UNICODE_BOM_UTF8 0xEFBBBF /* UTF-8 UNICODE BOM */
 
 
TY_PRIVATE Bool    TY_(IsValidUTF16FromUCS4)( tchar ucs4 );
TY_PRIVATE Bool    TY_(IsHighSurrogate)( tchar ch );
TY_PRIVATE Bool    TY_(IsLowSurrogate)( tchar ch );
 
TY_PRIVATE Bool    TY_(IsCombinedChar)( tchar ch );
TY_PRIVATE Bool    TY_(IsValidCombinedChar)( tchar ch );
 
TY_PRIVATE tchar   TY_(CombineSurrogatePair)( tchar high, tchar low );
TY_PRIVATE Bool    TY_(SplitSurrogatePair)( tchar utf16, tchar* high, tchar* low );
 
 
 
#endif /* __UTF8_H__ */