InterfaceDeclaration ParseExternInterfaceDeclaration()
{
// inputOnly fieldType inputOnlyId | outputOnly fieldType outputOnlyId |
// initializeOnly fieldType initializeOnlyId | inputOutput fieldType inputOutputFieldId
InterfaceDeclaration ret=new InterfaceDeclaration();
string type=GetNextIDToken();
switch(type)
{
case "eventIn":
case "inputOnly": ret.InterfaceDeclarationType=InterfaceDeclarationType.EventIn; break;
case "eventOut":
case "outputOnly": ret.InterfaceDeclarationType=InterfaceDeclarationType.EventOut; break;
case "field":
case "initializeOnly": ret.InterfaceDeclarationType=InterfaceDeclarationType.Field; break;
case "exposedField":
case "inputOutput": ret.InterfaceDeclarationType=InterfaceDeclarationType.ExposedField; break;
default:
ErrorParsingToken("interface declaration keyword", type, "EXTERNPROTO statement interface declarations");
return null;
}
ret.FieldType=GetNextFieldTypeToken();
ret.FieldId=GetNextIDToken();
return ret;
}
void ParseScriptBodyElement(X3DNode node, string id)
{
// nodeBodyElement | interfaceDeclaration |
// inputOnly fieldType inputOnlyId IS inputOnlyId |
// outputOnly fieldType outputOnlyId IS outputOnlyId |
// initializeOnly fieldType initializeOnlyId IS initializeOnlyId |
// inputOutput fieldType inputOutputId IS inputOutputId
IScriptNode script=node as IScriptNode;
switch(id)
{
case "eventIn":
case "inputOnly":
case "eventOut":
case "outputOnly":
{
string tokenEvent=GetNextIDToken();
FieldType fieldType=GetNextFieldTypeToken();
string eventId=GetNextIDToken();
InterfaceDeclaration fieldDeclaration=new InterfaceDeclaration();
fieldDeclaration.FieldId=eventId;
fieldDeclaration.FieldType=fieldType;
if(id=="eventIn"||id=="inputOnly")
fieldDeclaration.InterfaceDeclarationType=InterfaceDeclarationType.EventIn;
else fieldDeclaration.InterfaceDeclarationType=InterfaceDeclarationType.EventOut;
if(inPROTO)
{
// Check if id is followed by IS Keyword
object token=PeekNextToken();
VRMLTokenIdKeywordOrFieldType idToken=token as VRMLTokenIdKeywordOrFieldType;
if(idToken!=null&&idToken.id=="IS")
{
string tokenIS=GetNextIDToken();
string isID=GetNextIDToken();
if(node.Substitutions.ContainsKey(eventId))
{
if(node.Substitutions[eventId]==isID) ErrorParsing(VRMLReaderError.RedundantISStatement);
else ErrorParsing(VRMLReaderError.MultipleISStatementForField);
}
else node.Substitutions.Add(eventId, isID);
}
}
script.ScriptingInterfaceDeclarations.Add(fieldDeclaration);
}
break;
case "field":
case "initializeOnly":
case "exposedField":
case "inputOutput":
{
string tokenEvent=GetNextIDToken();
FieldType fieldType=GetNextFieldTypeToken();
string fieldId=GetNextIDToken();
InterfaceDeclaration fieldDeclaration=new InterfaceDeclaration();
fieldDeclaration.FieldId=fieldId;
fieldDeclaration.FieldType=fieldType;
if(id=="field"||id=="initializeOnly")
fieldDeclaration.InterfaceDeclarationType=InterfaceDeclarationType.Field;
else fieldDeclaration.InterfaceDeclarationType=InterfaceDeclarationType.ExposedField;
// Check if id is followed by IS Keyword
object token=PeekNextToken();
VRMLTokenIdKeywordOrFieldType idToken=token as VRMLTokenIdKeywordOrFieldType;
if(inPROTO&&idToken!=null&&idToken.id=="IS")
{
string tokenIS=GetNextIDToken();
string isID=GetNextIDToken();
if(node.Substitutions.ContainsKey(fieldId))
{
if(node.Substitutions[fieldId]==isID) ErrorParsing(VRMLReaderError.RedundantISStatement);
else ErrorParsing(VRMLReaderError.MultipleISStatementForField);
}
else node.Substitutions.Add(fieldId, isID);
}
else fieldDeclaration.DefaultValue=ParseFieldByType(fieldType);
script.ScriptingInterfaceDeclarations.Add(fieldDeclaration);
}
break;
default: ParseNodeBodyElement(node, id); break;
}
}
InterfaceDeclaration ParseInterfaceDeclaration()
{
// inputOnly fieldType inputOnlyId |
// outputOnly fieldType outputOnlyId |
// initializeOnly fieldType initializeOnlyId fieldValue |
// inputOutput fieldType fieldId fieldValue
string type=GetNextIDToken();
InterfaceDeclaration ret=new InterfaceDeclaration();
switch(type)
{
case "eventIn":
case "inputOnly": ret.InterfaceDeclarationType=InterfaceDeclarationType.EventIn; break;
case "eventOut":
case "outputOnly": ret.InterfaceDeclarationType=InterfaceDeclarationType.EventOut; break;
case "field":
case "initializeOnly": ret.InterfaceDeclarationType=InterfaceDeclarationType.Field; break;
case "exposedField":
case "inputOutput": ret.InterfaceDeclarationType=InterfaceDeclarationType.ExposedField; break;
default:
ErrorParsingToken("interface declaration keyword", type, "PROTO statement interface declarations");
return null;
}
ret.FieldType=GetNextFieldTypeToken();
ret.FieldId=GetNextIDToken();
if(ret.InterfaceDeclarationType==InterfaceDeclarationType.Field||ret.InterfaceDeclarationType==InterfaceDeclarationType.ExposedField)
ret.DefaultValue=ParseFieldByType(ret.FieldType);
return ret;
}
