/// <summary>
/// Runs the method, passing the required parameters if any.
/// </summary>
/// <param name="instance">The Harmony instance to use if the method wants to
/// perform a patch.</param>
public void Run(Harmony instance)
{
if (PPatchManager.CheckConditions(Descriptor.RequireAssembly, Descriptor.
RequireType, out Type requiredType))
{
// Only runs once, no meaningful savings with a delegate
var paramTypes = Method.GetParameterTypes();
int len = paramTypes.Length;
if (len <= 0)
{
// No parameters, static method only
Method.Invoke(null, null);
}
else if (paramTypes[0] == typeof(Harmony))
{
if (len == 1)
{
// Harmony instance parameter
Method.Invoke(null, new object[] { instance });
}
else if (len == 2 && paramTypes[1] == typeof(Type))
{
// Type parameter
Method.Invoke(null, new object[] { instance, requiredType });
}
}
else
{
PUtil.LogWarning("Invalid signature for PLibMethod - must have (), " +
"(HarmonyInstance), or (HarmonyInstance, Type)");
}
}
}
/// <summary>
/// Applies the patch.
/// </summary>
/// <param name="instance">The Harmony instance to use.</param>
/// <exception cref="InvalidOperationException">If the </exception>
/// <exception cref="AmbiguousMatchException">If no parameter types were specified,
/// and multiple options match the method name.</exception>
public void Run(Harmony instance)
{
if (PPatchManager.CheckConditions(Descriptor.RequireAssembly, Descriptor.
RequireType, out Type requiredType))
{
var dest = new HarmonyMethod(Method);
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
try {
var method = GetTargetMethod(requiredType);
switch (GetPatchType())
{
case HarmonyPatchType.Postfix:
instance.Patch(method, postfix: dest);
break;
case HarmonyPatchType.Prefix:
instance.Patch(method, prefix: dest);
break;
case HarmonyPatchType.Transpiler:
instance.Patch(method, transpiler: dest);
break;
default:
throw new ArgumentOutOfRangeException(nameof(HarmonyPatchType));
}
} catch (AmbiguousMatchException e) {
// Multi catch or filtering is not available in this version of C#
if (!LogIgnoreOnFail(e))
{
throw;
}
} catch (InvalidOperationException e) {
if (!LogIgnoreOnFail(e))
{
throw;
}
}
}
}