void ParserEngine::parseExternalByteInputStream(XML_Parser extParser, XMLByteInputStream& istr)
{
char *pBuffer = new char[PARSE_BUFFER_SIZE];
try
{
std::streamsize n = readBytes(istr, pBuffer, PARSE_BUFFER_SIZE);
while (n > 0)
{
if (!XML_Parse(extParser, pBuffer, static_cast<int>(n), 0))
handleError(XML_GetErrorCode(extParser));
if (istr.good())
n = readBytes(istr, pBuffer, PARSE_BUFFER_SIZE);
else
n = 0;
}
if (!XML_Parse(extParser, pBuffer, 0, 1))
handleError(XML_GetErrorCode(extParser));
}
catch (...)
{
delete [] pBuffer;
throw;
}
delete [] pBuffer;
}
void ParserEngine::parseByteInputStream(XMLByteInputStream& istr)
{
istr.read(_pBuffer, PARSE_BUFFER_SIZE);
int n = static_cast<int>(istr.gcount());
while (n > 0)
{
if (!XML_Parse(_parser, _pBuffer, n, 0))
handleError(XML_GetErrorCode(_parser));
if (istr.good())
{
istr.read(_pBuffer, PARSE_BUFFER_SIZE);
n = static_cast<int>(istr.gcount());
}
else n = 0;
}
if (!XML_Parse(_parser, _pBuffer, 0, 1))
handleError(XML_GetErrorCode(_parser));
}
std::streamsize ParserEngine::readBytes(XMLByteInputStream& istr, char* pBuffer, std::streamsize bufferSize)
{
if (_enablePartialReads)
{
istr.read(pBuffer, 1);
if (istr.gcount() == 1)
{
std::streamsize n = istr.readsome(pBuffer + 1, bufferSize - 1);
return n + 1;
}
else return 0;
}
else
{
istr.read(pBuffer, bufferSize);
return istr.gcount();
}
}
void ParserEngine::parseByteInputStream(XMLByteInputStream& istr)
{
std::streamsize n = readBytes(istr, _pBuffer, PARSE_BUFFER_SIZE);
while (n > 0)
{
if (!XML_Parse(_parser, _pBuffer, static_cast<int>(n), 0))
handleError(XML_GetErrorCode(_parser));
if (istr.good())
n = readBytes(istr, _pBuffer, PARSE_BUFFER_SIZE);
else
n = 0;
}
if (!XML_Parse(_parser, _pBuffer, 0, 1))
handleError(XML_GetErrorCode(_parser));
}
