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; } }
public void visit(SFBool field) { string value = context.ReadNextToken().Text; switch (value) { case "TRUE": field.Value = true; break; case "FALSE": field.Value = false; break; } }
protected virtual void ParseScriptNode(ParserContext context) { var keyword = context.ReadNextToken(); if (keyword.Text != "Script") { throw new InvalidVRMLSyntaxException("Script expected"); } context.ReadOpenBrace(); ParseScriptBody(context); context.ReadCloseBrace(); }
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 ParseNodeBodyElement(ParserContext context) { var node = context.FieldContainer; if (node == null) { throw new Exception("Invalid context"); } var token = context.PeekNextToken(); switch (token.Text) { case "ROUTE": ParseRouteStatement(context); break; case "PROTO": ParseProto(context); break; } string fieldId = ParseFieldId(context); token = context.PeekNextToken(); //TODO: get field type and parse depending on it. switch (token.Text) { case "IS": token = context.ReadNextToken(); string interfaceFieldId = ParseFieldId(context); //TODO: Process inteface field linking break; default: var field = node.GetExposedField(fieldId); field.AcceptVisitor(_fieldParser); break; } }
private void ParseRestrictedInterfaceDeclaration(ParserContext context) { var node = context.FieldContainer as ProtoNode; if (node == null) { throw new Exception("Unexpected context"); } var accessType = context.ReadNextToken().Text; switch (accessType) { case "eventIn": var fieldInType = ParseFieldType(context); var eventInId = ParseEventInId(context); //TODO: process interface eventIn declaration. break; case "eventOut": var fieldOutType = ParseFieldType(context); var eventOutId = ParseEventOutId(context); //TODO: process interface eventOut declaration. break; case "field": var fieldType = ParseFieldType(context); var fieldId = ParseFieldId(context); var field = context.CreateField(fieldType); node.AddField(fieldId, field); field.AcceptVisitor(_fieldParser); //TODO: process interface field declaration. break; default: throw new Exception("Unexpected context"); } }
protected virtual void ParseScriptBodyElement(ParserContext context) { var token = context.PeekNextToken(); VRML97Token tokenIs = null; string fieldType; switch (token.Text) { case "eventIn": tokenIs = context.PeekNextToken(3); if (tokenIs.Text == "IS") { token = context.ReadNextToken(); fieldType = ParseFieldType(context); string eventInId1 = ParseEventInId(context); tokenIs = context.ReadNextToken(); string eventInId2 = ParseEventInId(context); //TODO: process scipt eventIn element } else { ParseRestrictedInterfaceDeclaration(context); } break; case "eventOut": tokenIs = context.PeekNextToken(3); if (tokenIs.Text == "IS") { token = context.ReadNextToken(); fieldType = ParseFieldType(context); string eventOutId1 = ParseEventOutId(context); tokenIs = context.ReadNextToken(); string eventOutId2 = ParseEventOutId(context); //TODO: process scipt eventOut element } else { ParseRestrictedInterfaceDeclaration(context); } break; case "field": tokenIs = context.PeekNextToken(3); if (tokenIs.Text == "IS") { token = context.ReadNextToken(); fieldType = ParseFieldType(context); string fieldId1 = ParseFieldId(context); tokenIs = context.ReadNextToken(); string fieldId2 = ParseFieldId(context); //TODO: process scipt field element } else { ParseRestrictedInterfaceDeclaration(context); } break; default: if (token.Type == VRML97TokenType.Word) { ParseNodeBodyElement(context); } else { throw new Exception("Unexpected context"); } break; } }
protected virtual void ParseDefNodeStatement(ParserContext context) { context.ReadNextToken(); context.NodeName = ParseNodeNameId(context); ParseNode(context); }
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); }
private static string ParseId(ParserContext context) { return context.ReadNextToken().Text; }
protected virtual void ParseNodeBodyElement(ParserContext context) { var node = context.FieldContainer; if (node == null) { throw new Exception("Invalid context"); } var token = context.PeekNextToken(); switch (token.Text) { case "ROUTE": ParseRouteStatement(context); break; case "PROTO": ParseProto(context); break; } string fieldId = ParseFieldId(context); token = context.PeekNextToken(); //TODO: get field type and parse depending on it. switch (token.Text) { case "IS": token = context.ReadNextToken(); string interfaceFieldId = ParseFieldId(context); //TODO: Process inteface field linking break; default: var field = node.GetExposedField(fieldId); field.AcceptVisitor(_fieldParser); break; } }
protected virtual void ParseScriptBodyElement(ParserContext context) { var token = context.PeekNextToken(); VRML97Token tokenIs = null; string fieldType; switch (token.Text) { case "eventIn": tokenIs = context.PeekNextToken(3); if (tokenIs.Text == "IS") { token = context.ReadNextToken(); fieldType = ParseFieldType(context); string eventInId1 = ParseEventInId(context); tokenIs = context.ReadNextToken(); string eventInId2 = ParseEventInId(context); //TODO: process scipt eventIn element } else { ParseRestrictedInterfaceDeclaration(context); } break; case "eventOut": tokenIs = context.PeekNextToken(3); if (tokenIs.Text == "IS") { token = context.ReadNextToken(); fieldType = ParseFieldType(context); string eventOutId1 = ParseEventOutId(context); tokenIs = context.ReadNextToken(); string eventOutId2 = ParseEventOutId(context); //TODO: process scipt eventOut element } else { ParseRestrictedInterfaceDeclaration(context); } break; case "field": tokenIs = context.PeekNextToken(3); if (tokenIs.Text == "IS") { token = context.ReadNextToken(); fieldType = ParseFieldType(context); string fieldId1 = ParseFieldId(context); tokenIs = context.ReadNextToken(); string fieldId2 = ParseFieldId(context); //TODO: process scipt field element } else { ParseRestrictedInterfaceDeclaration(context); } break; default: if (token.Type == VRML97TokenType.Word) { ParseNodeBodyElement(context); } else { throw new Exception("Unexpected context"); } break; } }
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 ParseScriptNode(ParserContext context) { var keyword = context.ReadNextToken(); if (keyword.Text != "Script") { throw new InvalidVRMLSyntaxException("Script expected"); } context.ReadOpenBrace(); ParseScriptBody(context); context.ReadCloseBrace(); }
private void ParseRestrictedInterfaceDeclaration(ParserContext context) { var node = context.FieldContainer as ProtoNode; if (node == null) throw new Exception("Unexpected context"); var accessType = context.ReadNextToken().Text; switch (accessType) { case "eventIn": var fieldInType = ParseFieldType(context); var eventInId = ParseEventInId(context); //TODO: process interface eventIn declaration. break; case "eventOut": var fieldOutType = ParseFieldType(context); var eventOutId = ParseEventOutId(context); //TODO: process interface eventOut declaration. break; case "field": var fieldType = ParseFieldType(context); var fieldId = ParseFieldId(context); var field = context.CreateField(fieldType); node.AddField(fieldId, field); field.AcceptVisitor(_fieldParser); //TODO: process interface field declaration. break; default: throw new Exception("Unexpected context"); } }
private static string ParseId(ParserContext context) { return(context.ReadNextToken().Text); }
protected virtual void ParseDefNodeStatement(ParserContext context) { context.ReadNextToken(); context.NodeName = ParseNodeNameId(context); ParseNode(context); }