public ParseStatus Resume()
{
CheckNotDisposed();
ParseStatus status;
for (; ;)
{
XMLParser *parser = entityContext.XmlParser;
try {
status = ExpatUtils.ResumeParsing(parser, entityContext.Read, out entityContext.error);
isDone = status != ParseStatus.Suspended;
}
catch {
isDone = true;
throw;
}
if (status == ParseStatus.Finished && entityContext.Parent != null)
{
PopChildEntityParseContext(); // return to parsing parent entity
}
else
{
break;
}
}
return(status);
}
/* Main Parse method */
public ParseStatus Parse(ReadBuffer read)
{
CheckNotParsing();
XMLParser *parser;
if (isDone)
{
parser = ResetParser();
isDone = false;
}
else
{
parser = entityContext.XmlParser;
}
entityContext.Init(read);
ParseStatus status;
try {
status = ExpatUtils.Parse(parser, read, out entityContext.error);
isDone = status != ParseStatus.Suspended;
}
catch {
isDone = true;
throw;
}
return(status);
}
ExternalEntityRefHandlerImpl(XMLParser *parser,
char *context,
char *baseUri,
char *systemId,
char *publicId)
{
int result = (int)XMLStatus.OK;
GCHandle parserHandle = (GCHandle)LibExpat.XMLGetUserData(parser);
X expatParser = (X)parserHandle.Target;
E newEntityContext = expatParser.freeEntityContext; // should always be != null
string encoding;
try {
if (!newEntityContext.Open(context, baseUri, systemId, publicId, out encoding))
{
return(result);
}
}
catch (Exception e) {
expatParser.error = e;
result = (int)XMLStatus.ERROR;
return(result);
}
expatParser.PushChildEntityParseContext(parser, context, encoding);
ParseStatus status = ExpatUtils.Parse(
newEntityContext.XmlParser, newEntityContext.Read, out newEntityContext.error);
switch (status)
{
case ParseStatus.Finished:
expatParser.PopChildEntityParseContext();
break;
case ParseStatus.Suspended:
// must suspend parent parser as well - don't check return value
LibExpat.XMLStopParser(parser, XMLBool.TRUE);
break;
case ParseStatus.FatalError:
result = (int)XMLStatus.ERROR;
break;
case ParseStatus.Aborted:
// must abort parent parser as well - don't check return value
LibExpat.XMLStopParser(parser, XMLBool.FALSE);
break;
}
return(result);
}
internal unsafe Stream Resolve(char *baseUri, char *systemId, char *publicId, out string encoding)
{
const char NullChar = (char)0;
Stream stream = null;
string sysIdStr = null;
encoding = null;
// normalize empty string
if (systemId != null && *systemId != NullChar)
{
sysIdStr = new string(systemId);
}
// do we have a foreign DTD?
if (sysIdStr == null)
{
if (OnResolveForeignDtd != null)
{
stream = OnResolveForeignDtd(ref encoding);
}
}
else
{
string baseUriStr = null;
if (baseUri != null && *baseUri != NullChar)
{
baseUriStr = new string(baseUri);
}
Uri bsUri = null;
if (baseUriStr != null)
{
bsUri = new Uri(baseUriStr);
}
if (OnResolveExternalId != null)
{
string pubIdStr = null;
// normalize empty string
if (publicId != null && *publicId != NullChar)
{
pubIdStr = new string(publicId);
}
stream = OnResolveExternalId(bsUri, sysIdStr, pubIdStr, ref encoding);
}
else
{
stream = ExpatUtils.UriToStream(bsUri, sysIdStr, UriTimeout, IgnoreTimeoutError);
}
}
return(stream);
}
