EXTERNPROTO ParseExternProto(out string nodeTypeId)
{
// EXTERNPROTO nodeTypeId [ externInterfaceDeclarations ] URLList
string tokenEXTERNPROTO = GetNextIDToken();
if (tokenEXTERNPROTO != "EXTERNPROTO")
{
ErrorParsingToken("EXTERNPROTO", tokenEXTERNPROTO, "EXTERNPROTO statement");
}
nodeTypeId = GetNextIDToken();
char ts = GetNextTerminalSymbolToken();
if (ts != '[')
{
ErrorParsingToken("[", ts.ToString(), "EXTERNPROTO statement");
}
List <InterfaceDeclaration> interfaceDeclarations = ParseExternInterfaceDeclarations();
ts = GetNextTerminalSymbolToken();
if (ts != ']')
{
ErrorParsingToken("]", ts.ToString(), "EXTERNPROTO statement");
}
EXTERNPROTO ret = new EXTERNPROTO();
ret.InterfaceDeclarations = interfaceDeclarations;
ret.ProtoNodeName = nodeTypeId;
ret.URLList = ParseSFStringOrMFStringValue();
return(ret);
}
X3DNode ParseNode(string DEFName)
{
// nodeTypeId { nodeBody } | Script { scriptBody }
string nodeTypeId=GetNextIDToken();
char ts=GetNextTerminalSymbolToken();
if(ts!='{') ErrorParsingToken("{", ts.ToString(), "node statement '"+nodeTypeId+"'");
X3DNode node=GetNodeByName(nodeTypeId);
bool returnNull=false;
if(node is IDummyNode)
{
switch(errorHandling.DummyNode)
{
case DummyNodeHandling.Error:
ErrorParsing(VRMLReaderError.UnexpectedNodeType, nodeTypeId);
break;
case DummyNodeHandling.Warn:
WriteWarning("Warning: Non-standard node found: '"+nodeTypeId+"' that can and will be parsed in line: "+line);
break;
case DummyNodeHandling.Ignore:
returnNull=true;
break;
}
}
if(node==null)
{
switch(errorHandling.UnknownNode)
{
case UnknownNodeHandling.ErrorUnknownNodes:
ErrorParsing(VRMLReaderError.UnexpectedNodeType, nodeTypeId);
break;
case UnknownNodeHandling.WarnUnknownNodes:
WriteWarning("Warning: Unknown node found: '"+nodeTypeId+"' in line: "+line);
returnNull=true;
break;
case UnknownNodeHandling.ParseAsExternProtoWarn:
WriteWarning("Warning: Unknown node found: '"+nodeTypeId+"', will be parsed as EXTRENPROTO in line: "+line);
break;
case UnknownNodeHandling.IgnoreUnknownNodes:
returnNull=true;
break;
}
EXTERNPROTO externProto=new EXTERNPROTO();
externProto.ProtoNodeName=nodeTypeId;
node=externProto;
}
if(DEFName!=null)
{
instances[DEFName]=node;
node.NameDEF=DEFName;
}
if(node is IScriptNode) ParseScriptBody(node);
else ParseNodeBody(node);
ts=GetNextTerminalSymbolToken();
if(ts!='}') ErrorParsingToken("}", ts.ToString(), "node statement '"+nodeTypeId+"'");
return returnNull?null:node;
}
EXTERNPROTO ParseExternProto(out string nodeTypeId)
{
// EXTERNPROTO nodeTypeId [ externInterfaceDeclarations ] URLList
string tokenEXTERNPROTO=GetNextIDToken();
if(tokenEXTERNPROTO!="EXTERNPROTO") ErrorParsingToken("EXTERNPROTO", tokenEXTERNPROTO, "EXTERNPROTO statement");
nodeTypeId=GetNextIDToken();
char ts=GetNextTerminalSymbolToken();
if(ts!='[') ErrorParsingToken("[", ts.ToString(), "EXTERNPROTO statement");
List<InterfaceDeclaration> interfaceDeclarations=ParseExternInterfaceDeclarations();
ts=GetNextTerminalSymbolToken();
if(ts!=']') ErrorParsingToken("]", ts.ToString(), "EXTERNPROTO statement");
EXTERNPROTO ret=new EXTERNPROTO();
ret.InterfaceDeclarations=interfaceDeclarations;
ret.ProtoNodeName=nodeTypeId;
ret.URLList=ParseSFStringOrMFStringValue();
return ret;
}
