protected virtual void ParseNode(ParserContext context)
{
var token = context.PeekNextToken();
if (token.Type == VRML97TokenType.EOF)
{
return;
}
switch (token.Text)
{
case "Script":
ParseScriptNode(context);
break;
default:
var nodeTypeId = ParseNodeTypeId(context);
var node = context.CreateNode(nodeTypeId, context.NodeName);
context.NodeName = null;
context.PushFieldContainer(node);
if (context.ReadNextToken().Type != VRML97TokenType.OpenBrace)
{
throw new InvalidVRMLSyntaxException("Open brace expected");
}
ParseNodeBody(context);
if (context.ReadNextToken().Type != VRML97TokenType.CloseBrace)
{
throw new InvalidVRMLSyntaxException();
}
context.PopFieldContainer();
context.AcceptChild(node);
break;
}
}
protected virtual void ParseProto(ParserContext context)
{
context.ReadKeyword("PROTO");
var proto = new ProtoNode {
name = ParseNodeNameId(context)
};
context.PushNodeContainer(proto.children);
context.PushFieldContainer(proto);
ParseInterfaceDeclarations(context);
if (context.ReadNextToken().Type != VRML97TokenType.OpenBrace)
{
throw new InvalidVRMLSyntaxException();
}
ParseProtoBody(context);
if (context.ReadNextToken().Type != VRML97TokenType.CloseBrace)
{
throw new InvalidVRMLSyntaxException();
}
context.PopFieldContainer();
context.PopNodeContainer();
context.RegisterPtototype(proto);
}
protected virtual void ParseNode(ParserContext context) {
var token = context.PeekNextToken();
if (token.Type == VRML97TokenType.EOF) return;
switch (token.Text) {
case "Script":
ParseScriptNode(context);
break;
default:
var nodeTypeId = ParseNodeTypeId(context);
var node = context.CreateNode(nodeTypeId, context.NodeName);
context.NodeName = null;
context.PushFieldContainer(node);
if (context.ReadNextToken().Type != VRML97TokenType.OpenBrace) {
throw new InvalidVRMLSyntaxException("Open brace expected");
}
ParseNodeBody(context);
if (context.ReadNextToken().Type != VRML97TokenType.CloseBrace) {
throw new InvalidVRMLSyntaxException();
}
context.PopFieldContainer();
context.AcceptChild(node);
break;
}
}
protected virtual void ParseProto(ParserContext context) {
context.ReadKeyword("PROTO");
var proto = new ProtoNode {
name = ParseNodeNameId(context)
};
context.PushNodeContainer(proto.children);
context.PushFieldContainer(proto);
ParseInterfaceDeclarations(context);
if (context.ReadNextToken().Type != VRML97TokenType.OpenBrace) {
throw new InvalidVRMLSyntaxException();
}
ParseProtoBody(context);
if (context.ReadNextToken().Type != VRML97TokenType.CloseBrace) {
throw new InvalidVRMLSyntaxException();
}
context.PopFieldContainer();
context.PopNodeContainer();
context.RegisterPtototype(proto);
}