private static void Invoke(
MethodInfo method,
int expectedArguments,
IList <Func <IReactInstance, JArray, int, Result> > extractors,
IGenericDelegate genericDelegate,
INativeModule moduleInstance,
IReactInstance reactInstance,
JArray jsArguments)
{
if (moduleInstance == null)
{
throw new ArgumentNullException(nameof(moduleInstance));
}
if (reactInstance == null)
{
throw new ArgumentNullException(nameof(reactInstance));
}
if (jsArguments == null)
{
throw new ArgumentNullException(nameof(jsArguments));
}
var n = expectedArguments;
var c = extractors.Count;
if (jsArguments.Count != n)
{
throw new NativeArgumentsParseException(
Invariant($"Module '{moduleInstance.Name}' method '{method.Name}' got '{jsArguments.Count}' arguments, expected '{n}'."),
nameof(jsArguments));
}
var idx = 0;
var args = new object[extractors.Count];
for (var j = 0; j < c; ++j)
{
var result = extractors[j](reactInstance, jsArguments, idx);
args[j] = result.Value;
idx = result.NextIndex;
}
if (genericDelegate != null)
{
genericDelegate.Invoke(args);
}
else
{
// This should only happen for React methods with greater than 16 arguments.
method.Invoke(moduleInstance, args);
}
}
private static JToken Invoke(
MethodInfo method,
int expectedArguments,
IList <ExtractArgument> extractors,
IGenericDelegate genericDelegate,
bool hasReturnType,
INativeModule moduleInstance,
InvokeCallback invokeCallback,
JArray jsArguments)
{
if (moduleInstance == null)
{
throw new ArgumentNullException(nameof(moduleInstance));
}
if (invokeCallback == null)
{
throw new ArgumentNullException(nameof(invokeCallback));
}
if (jsArguments == null)
{
throw new ArgumentNullException(nameof(jsArguments));
}
var n = expectedArguments;
var c = extractors.Count;
if (jsArguments.Count != n)
{
throw new NativeArgumentsParseException(
Invariant($"Module '{moduleInstance.Name}' method '{method.Name}' got '{jsArguments.Count}' arguments, expected '{n}'."),
nameof(jsArguments));
}
var idx = 0;
var args = new object[extractors.Count];
for (var j = 0; j < c; ++j)
{
var extractorResult = extractors[j](invokeCallback, jsArguments, idx);
args[j] = extractorResult.Value;
idx = extractorResult.NextIndex;
}
object result;
if (genericDelegate != null)
{
result = genericDelegate.Invoke(args);
}
else
{
// This should only happen for React methods with greater than 16 arguments.
result = method.Invoke(moduleInstance, args);
}
if (!hasReturnType)
{
return(s_null);
}
else if (result == null)
{
return(s_null);
}
return(JToken.FromObject(result));
}