public static bool TryGetMarshalMethod(this MethodDefinition method, string nativeMethod, string signature, out MethodDefinition marshalMethod)
{
marshalMethod = null;
var type = method.DeclaringType;
if (!type.HasNestedTypes)
{
return(false);
}
TypeDefinition marshalType = type.GetMarshalMethodsType();
if (marshalType == null || !marshalType.HasMethods)
{
return(false);
}
var marshalMethodName = MarshalMemberBuilder.GetMarshalMethodName(nativeMethod, signature);
if (marshalMethodName == null)
{
return(false);
}
foreach (var m in marshalType.Methods)
{
if (m.Name == marshalMethodName)
{
marshalMethod = m;
return(true);
}
}
return(false);
}
static bool CheckMethod(MethodDefinition m, ref string name, ref string methodName, ref string signature)
{
foreach (var registerAttribute in m.GetCustomAttributes("Android.Runtime.RegisterAttribute"))
{
if (registerAttribute == null || !registerAttribute.HasConstructorArguments)
{
continue;
}
var constructorParameters = registerAttribute.Constructor.Parameters.ToArray();
var constructorArguments = registerAttribute.ConstructorArguments.ToArray();
for (int i = 0; i < constructorArguments.Length; i++)
{
switch (constructorParameters [i].Name)
{
case "name":
name = constructorArguments [i].Value.ToString();
break;
case "signature":
signature = constructorArguments [i].Value.ToString();
break;
}
}
if ((string.IsNullOrEmpty(name) || string.IsNullOrEmpty(signature)) && constructorArguments.Length != 3)
{
continue;
}
if (string.IsNullOrEmpty(name))
{
name = constructorArguments [0].Value.ToString();
}
if (string.IsNullOrEmpty(signature))
{
signature = constructorArguments [1].Value.ToString();
}
if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(signature))
{
continue;
}
methodName = MarshalMemberBuilder.GetMarshalMethodName(name, signature);
name = $"n_{name}";
return(true);
}
return(false);
}