private DataType ParseEdmType()
{
JsonToken jsonToken = PopToken();
if (jsonToken.Type != JsonTokenType.String || jsonToken.GetStringValue() != "$t")
{
ThrowFormatException("Expecting type marker but found '{0}'", jsonToken.Type.ToString());
}
Expect(JsonTokenType.Colon);
Expect(JsonTokenType.Number);
double doubleValue = currentToken.GetDoubleValue();
if (doubleValue % 1.0 != 0.0 || !edmTypeValues.Contains((int)doubleValue))
{
ThrowFormatException("Invalid Edm type: {0}", doubleValue);
}
int result = (int)doubleValue;
Expect(JsonTokenType.Comma);
Expect("$v");
Expect(JsonTokenType.Colon);
currentToken = PopToken();
currentValue = currentToken;
Expect(JsonTokenType.EndObject);
return((DataType)result);
}
private void Expect(string stringToken)
{
Expect(JsonTokenType.String);
if (currentToken.GetStringValue() != stringToken)
{
ThrowFormatException("Expecting token {0} but found {1}", stringToken, currentToken.GetStringValue());
}
}
public bool MoveNext()
{
ThrowIfDisposed();
if (state == TableEntityReaderState.Done)
{
return(false);
}
JsonToken jsonToken = PopToken();
if (jsonToken.Type == JsonTokenType.EndObject)
{
state = TableEntityReaderState.Done;
return(false);
}
if (jsonToken.Type == JsonTokenType.String)
{
currentName = jsonToken.GetStringValue();
}
else
{
ThrowFormatException("Expecting a name but found '{0}'", jsonToken.Lexeme);
}
Expect(JsonTokenType.Colon);
JsonToken jsonToken2 = PopToken();
if (EdmSchemaMapping.IsDocumentDBProperty(currentName) || currentName == "$pk" || currentName == "$id")
{
switch (jsonToken2.Type)
{
case JsonTokenType.String:
currentEdmType = DataType.String;
currentValue = jsonToken2;
break;
case JsonTokenType.Number:
currentEdmType = DataType.Double;
currentValue = jsonToken2;
break;
default:
ThrowFormatException("Unexpected value type '{0}' for DocumentDB property.", jsonToken2.Type);
break;
}
}
else
{
if (jsonToken2.Type != JsonTokenType.BeginObject)
{
ThrowFormatException("Value is expected to be an object instead it was '{0}'.", jsonToken2.Type);
}
currentEdmType = ParseEdmType();
}
TryReadComma();
state = TableEntityReaderState.HasValue;
return(true);
}
public string ReadString()
{
ThrowIfDisposed();
ThrowIfInvalidState("ReadString", TableEntityReaderState.HasValue);
ThrowIfInvalidType("ReadString", DataType.String);
if (currentValue.Type == JsonTokenType.Null)
{
return(null);
}
EnsureMatchingTypes(currentValue.Type, JsonTokenType.String);
return(currentValue.GetStringValue());
}
