/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd

   See the file COPYING for copying permission.

*/

/* This file is included! */

#ifdef XML_TOK_NS_C

const ENCODING *

NS(XmlGetUtf8InternalEncoding)(void)

{

  return &ns(internal_utf8_encoding).enc;

}

const ENCODING *

NS(XmlGetUtf16InternalEncoding)(void)

{

#if BYTEORDER == 1234

  return &ns(internal_little2_encoding).enc;

#elif BYTEORDER == 4321

  return &ns(internal_big2_encoding).enc;

#else

  const short n = 1;

  return (*(const char *)&n

          ? &ns(internal_little2_encoding).enc

          : &ns(internal_big2_encoding).enc);

#endif

}

static const ENCODING * const NS(encodings)[] = {

  &ns(latin1_encoding).enc,

  &ns(ascii_encoding).enc,

  &ns(utf8_encoding).enc,

  &ns(big2_encoding).enc,

  &ns(big2_encoding).enc,

  &ns(little2_encoding).enc,

  &ns(utf8_encoding).enc /* NO_ENC */

};

static int PTRCALL

NS(initScanProlog)(const ENCODING *enc, const char *ptr, const char *end,

                   const char **nextTokPtr)

{

  return initScan(NS(encodings), (const INIT_ENCODING *)enc,

                  XML_PROLOG_STATE, ptr, end, nextTokPtr);

}

static int PTRCALL

NS(initScanContent)(const ENCODING *enc, const char *ptr, const char *end,

                    const char **nextTokPtr)

{

  return initScan(NS(encodings), (const INIT_ENCODING *)enc,

                  XML_CONTENT_STATE, ptr, end, nextTokPtr);

}

int

NS(XmlInitEncoding)(INIT_ENCODING *p, const ENCODING **encPtr,

                    const char *name)

{

  int i = getEncodingIndex(name);

  if (i == UNKNOWN_ENC)

    return 0;

  SET_INIT_ENC_INDEX(p, i);

  p->initEnc.scanners[XML_PROLOG_STATE] = NS(initScanProlog);

  p->initEnc.scanners[XML_CONTENT_STATE] = NS(initScanContent);

  p->initEnc.updatePosition = initUpdatePosition;

  p->encPtr = encPtr;

  *encPtr = &(p->initEnc);

  return 1;

}

static const ENCODING *

NS(findEncoding)(const ENCODING *enc, const char *ptr, const char *end)

{

#define ENCODING_MAX 128

  char buf[ENCODING_MAX];

  char *p = buf;

  int i;

  XmlUtf8Convert(enc, &ptr, end, &p, p + ENCODING_MAX - 1);

  if (ptr != end)

    return 0;

  *p = 0;

  if (streqci(buf, KW_UTF_16) && enc->minBytesPerChar == 2)

    return enc;

  i = getEncodingIndex(buf);

  if (i == UNKNOWN_ENC)

    return 0;

  return NS(encodings)[i];

}

int

NS(XmlParseXmlDecl)(int isGeneralTextEntity,

                    const ENCODING *enc,

                    const char *ptr,

                    const char *end,

                    const char **badPtr,

                    const char **versionPtr,

                    const char **versionEndPtr,

                    const char **encodingName,

                    const ENCODING **encoding,

                    int *standalone)

{

  return doParseXmlDecl(NS(findEncoding),

                        isGeneralTextEntity,

                        enc,

                        ptr,

                        end,

                        badPtr,

                        versionPtr,

                        versionEndPtr,

                        encodingName,

                        encoding,

                        standalone);

}

#endif /* XML_TOK_NS_C */