internal static PrimitiveTypeValueAst ReadDefaultValue(ParserStream stream, IdentifierToken returnType)
{
switch (returnType.GetNormalizedName())
{
case Keywords.DT_UINT8:
case Keywords.DT_UINT16:
case Keywords.DT_UINT32:
case Keywords.DT_UINT64:
case Keywords.DT_SINT8:
case Keywords.DT_SINT16:
case Keywords.DT_SINT32:
case Keywords.DT_SINT64:
case Keywords.DT_REAL32:
case Keywords.DT_REAL64:
case Keywords.DT_STRING:
case Keywords.DT_DATETIME:
case Keywords.DT_BOOLEAN:
case Keywords.DT_OCTECTSTRING:
// primitiveType
return(PrimitiveTypeValueAst.Parse(stream));
default:
/// structureOrClassName
/// enumName
/// classReference
var peek = stream.Peek();
if (peek is NullLiteralToken)
{
return(NullValueAst.Parse(stream));
}
throw new UnsupportedTokenException(stream.Peek());
}
}
/// <summary>
/// </summary>
/// <returns></returns>
/// <remarks>
///
/// See http://www.dmtf.org/sites/default/files/standards/documents/DSP0221_3.0.0a.pdf
/// A.14 Complex type value
///
/// propertyValue = primitiveTypeValue / complexTypeValue / referenceTypeValue / enumTypeValue
///
/// 7.3.5
///
/// primitiveTypeValue = literalValue / literalValueArray
/// primitiveType = DT_Integer / DT_Real / DT_STRING / DT_DATETIME / DT_BOOLEAN / DT_OCTETSTRING
///
/// A.1
///
/// complexTypeValue = complexValue / complexValueArray
///
/// A.19
///
/// referenceTypeValue = referenceValue / referenceValueArray
/// referenceValueArray = "{" [ objectPathValue *( "," objectPathValue ) ] 1163 "}"
///
/// A.7
///
/// enumTypeValue = enumValue / enumValueArray
/// enumDeclaration = enumTypeHeader enumName ":" enumTypeDeclaration ";"
///
/// </remarks>
internal static PropertyValueAst Parse(ParserStream stream)
{
var node = new PropertyValueAst();
var peek = stream.Peek();
// propertyValue = primitiveTypeValue / complexTypeValue / referenceTypeValue / enumTypeValue
if (LiteralValueAst.IsLiteralValueToken(peek))
{
// primitiveTypeValue -> literalValue
node.Value = PrimitiveTypeValueAst.Parse(stream);
}
else if (peek is BlockOpenToken)
{
// we need to read the subsequent token to work out whether
// this is a complexValueArray, literalValueArray, referenceValueArray or enumValueArray
stream.Read();
peek = stream.Peek();
if (LiteralValueAst.IsLiteralValueToken(peek))
{
// literalValueArray
stream.Backtrack();
node.Value = LiteralValueArrayAst.Parse(stream);
}
else
{
// complexValueType
stream.Backtrack();
node.Value = ComplexValueArrayAst.Parse(stream);
}
}
else if (peek is AliasIdentifierToken)
{
// referenceTypeValue
node.Value = ReferenceTypeValueAst.Parse(stream);
}
else
{
throw new UnexpectedTokenException(peek);
}
// return the result
return(node);
}
