/// <summary>Invokes a command on the QuantumConsoleProcessor.</summary>
/// <returns>Return value of the invocation.</returns>
/// <param name="commandString">The command to invoke.</param>
public static object InvokeCommand(string commandString)
{
GenerateCommandTable();
commandString = commandString.Trim();
commandString = _preprocessor.Process(commandString);
if (string.IsNullOrWhiteSpace(commandString))
{
throw new ArgumentException("Cannot parse an empty string.");
}
string[] commandParts = commandString.SplitScoped(' ');
commandParts = commandParts.Where(x => !string.IsNullOrWhiteSpace(x)).ToArray();
string commandName = commandParts[0];
string[] commandParams = commandParts.SubArray(1, commandParts.Length - 1);
int paramCount = commandParams.Length;
string[] commandNameParts = commandName.Split(new[] { '<' }, 2);
string genericSignature = commandNameParts.Length > 1 ? $"<{commandNameParts[1]}" : "";
commandName = commandNameParts[0];
string keyName = $"{commandName}({paramCount})";
if (!_commandTable.ContainsKey(keyName))
{
bool overloadExists = _commandTable.Keys.Any(key => key.Contains($"{commandName}(") && _commandTable[key].CommandName == commandName);
if (overloadExists)
{
throw new ArgumentException($"No overload of '{commandName}' with {paramCount} parameters could be found.");
}
else
{
throw new ArgumentException($"Command '{commandName}' could not be found.");
}
}
CommandData command = _commandTable[keyName];
Type[] genericTypes = Array.Empty <Type>();
if (command.IsGeneric)
{
int expectedArgCount = command.GenericParamTypes.Length;
string[] genericArgNames = genericSignature.ReduceScope('<', '>').SplitScoped(',');
if (genericArgNames.Length == expectedArgCount)
{
genericTypes = new Type[genericArgNames.Length];
for (int i = 0; i < genericTypes.Length; i++)
{
genericTypes[i] = QuantumParser.ParseType(genericArgNames[i]);
}
}
else
{
throw new ArgumentException($"Generic command '{commandName}' requires {expectedArgCount} generic parameter{(expectedArgCount == 1 ? "" : "s")} but was supplied with {genericArgNames.Length}.");
}
}
else if (genericSignature != string.Empty)
{
throw new ArgumentException($"Command '{commandName}' is not a generic command and cannot be invoked as such.");
}
#if !UNITY_EDITOR && ENABLE_IL2CPP
if (genericTypes.Any((Type x) => x.IsValueType))
{
throw new NotSupportedException("Value types in generic commands are not currently supported by Unity in IL2CPP");
}
#endif
object[] parsedCommandParams = ParseParamData(command.MakeGenericArguments(genericTypes), commandParams);
return(command.Invoke(parsedCommandParams, genericTypes));
}
