private FunctionSignatureWithReturnType[] GetCustomFunctionSignaturesOrNull(string customFunctionName)
{
FunctionSignatureWithReturnType[] resultFunctionSignaturesWithReturnType = null;
CustomUriFunctions.TryGetCustomFunction(customFunctionName, out resultFunctionSignaturesWithReturnType);
return(resultFunctionSignaturesWithReturnType as FunctionSignatureWithReturnType[]);
}
/// <summary>
/// Finds all signatures for the given function name.
/// Search in both BuiltIn uri functions and Custom uri functions.
/// Combine and return the signatures overloads of the results.
/// </summary>
/// <param name="functionName">The function to get the signatures for.</param>
/// <returns>The signatures which match the supplied function name.</returns>
internal static FunctionSignatureWithReturnType[] GetUriFunctionSignatures(string functionName)
{
FunctionSignatureWithReturnType[] customUriFunctionsSignatures = null;
FunctionSignatureWithReturnType[] builtInUriFunctionsSignatures = null;
// Try to find the function in the user custom functions and in our built-in functions
bool customFound = CustomUriFunctions.TryGetCustomFunction(functionName, out customUriFunctionsSignatures);
bool builtInFound = BuiltInUriFunctions.TryGetBuiltInFunction(functionName, out builtInUriFunctionsSignatures);
if (!customFound && !builtInFound)
{
// Not found in both built-in and custom.
throw new ODataException(ODataErrorStrings.MetadataBinder_UnknownFunction(functionName));
}
if (!customFound)
{
Debug.Assert(builtInUriFunctionsSignatures != null, "No Built-in functions found");
return(builtInUriFunctionsSignatures);
}
if (!builtInFound)
{
Debug.Assert(customUriFunctionsSignatures != null, "No Custom functions found");
return(customUriFunctionsSignatures);
}
return(builtInUriFunctionsSignatures.Concat(customUriFunctionsSignatures).ToArray());
}
private FunctionSignatureWithReturnType[] GetCustomFunctionSignaturesOrNull(string customFunctionName)
{
IList <KeyValuePair <string, FunctionSignatureWithReturnType> > resultFunctionSignaturesWithReturnType = null;
CustomUriFunctions.TryGetCustomFunction(customFunctionName, out resultFunctionSignaturesWithReturnType);
return(resultFunctionSignaturesWithReturnType?.Select(_ => _.Value).ToArray());
}