Parse(XMLParser *parser, ReadBuffer read, int bufferSize, out XMLError error)
{
Debug.Assert(read != null && bufferSize > 0);
bool isFinal = false;
GCHandle bufferHandle;
while (!isFinal)
{
XMLStatus status;
int count = read(bufferSize, out bufferHandle);
try {
isFinal = count == 0;
IntPtr bufPtr = bufferHandle.AddrOfPinnedObject();
status = LibExpat.XMLParse(parser, (byte *)bufPtr, count, isFinal ? 1 : 0);
}
finally {
if (!isFinal) // if count == 0 then GCHandle was not pinned
{
bufferHandle.Free();
}
}
switch (status)
{
case XMLStatus.OK:
continue;
case XMLStatus.ERROR:
error = LibExpat.XMLGetErrorCode(parser);
#if EXPAT_1_95_8_UP
if (error == XMLError.ABORTED)
{
return(ParseStatus.Aborted);
}
#endif
return(ParseStatus.FatalError);
#if EXPAT_1_95_8_UP
case XMLStatus.SUSPENDED:
error = XMLError.NONE;
return(ParseStatus.Suspended);
#endif
}
}
error = XMLError.NONE;
return(ParseStatus.Finished);
}
/* Resumable features */
#if EXPAT_1_95_8_UP
public bool Suspend()
{
CheckNotDisposed();
bool result;
XMLParser *parser = entityContext.XmlParser;
result = LibExpat.XMLStopParser(parser, XMLBool.TRUE) == XMLStatus.OK;
if (result)
{
entityContext.error = XMLError.NONE;
}
else
{
entityContext.error = LibExpat.XMLGetErrorCode(parser);
}
return(result);
}
public bool Abort()
{
CheckNotDisposed();
bool result;
XMLParser *parser = entityContext.XmlParser;
// no cleanup here, as we are in the middle of a call-back
result = LibExpat.XMLStopParser(parser, XMLBool.FALSE) == XMLStatus.OK;
if (result)
{
entityContext.error = XMLError.NONE;
}
else
{
entityContext.error = LibExpat.XMLGetErrorCode(parser);
}
return(result);
}
ResumeParsingBuffer(XMLParser *parser, ref ParseStatus parseStatus, out XMLError error)
{
bool result = true;
XMLStatus status = LibExpat.XMLResumeParser(parser);
switch (status)
{
case XMLStatus.OK:
error = XMLError.NONE;
XMLParsingStatus pStatus;
LibExpat.XMLGetParsingStatus(parser, out pStatus);
if (pStatus.FinalBuffer == XMLBool.FALSE)
{
result = false;
}
else
{
parseStatus = ParseStatus.Finished;
}
break;
case XMLStatus.ERROR:
error = LibExpat.XMLGetErrorCode(parser);
if (error == XMLError.ABORTED)
{
parseStatus = ParseStatus.Aborted;
}
else
{
parseStatus = ParseStatus.FatalError;
}
break;
case XMLStatus.SUSPENDED:
error = XMLError.NONE;
parseStatus = ParseStatus.Suspended;
break;
default:
error = XMLError.NONE;
break;
}
return(result);
}