/// <summary>
/// Searches methods with Target attribute in specified type and creates targets.
/// </summary>
/// <param name="buildScriptType"></param>
/// <param name="flubuSession"></param>
public void CreateTargetFromMethodAttributes(IBuildScript buildScript, IFlubuSession flubuSession)
{
#if !NETSTANDARD1_6
var buildScriptType = buildScript.GetType();
var methods = buildScriptType.GetRuntimeMethods().Where(x => x.DeclaringType == buildScriptType).ToList();
foreach (var methodInfo in methods)
{
var attributes = methodInfo.GetCustomAttributes <TargetAttribute>(false).ToList();
if (attributes.Count == 0)
{
continue;
}
foreach (var attribute in attributes)
{
var methodParameters = methodInfo.GetParameters().ToList();
if (methodParameters.Count == 0)
{
throw new ScriptException($"Failed to create target '{attribute.TargetName}'. Method '{methodInfo.Name}' must have atleast one parameter which must be of type '{nameof(ITarget)}'");
}
if (methodParameters[0].ParameterType != typeof(ITarget))
{
throw new ScriptException($"Failed to create target '{attribute.TargetName}' first parameter in method '{methodInfo.Name}' must be of type '{nameof(ITarget)}'");
}
var target = flubuSession.CreateTarget(attribute.TargetName);
var attributeParamaters = new List <object>()
{
target
};
attributeParamaters.AddRange(attribute.MethodParameters);
if (methodParameters.Count != attributeParamaters.Count)
{
throw new ScriptException($"Failed to create target '{attribute.TargetName}'. Method parameters {methodInfo.Name} do not match count of attribute parametrs.");
}
for (int i = 0; i < methodParameters.Count; i++)
{
if (i != 0 && methodParameters[i].ParameterType != attributeParamaters[i].GetType())
{
throw new ScriptException($"Failed to create target '{attribute.TargetName}'. Attribute parameter {i + 1.ToString()} does not match '{methodInfo.Name}' method parameter {i + 1.ToString()}. Expected {methodParameters[i].ParameterType} Actual: {attributeParamaters[i].GetType()}");
}
}
var parameterInfos = methodInfo.GetParameters();
for (int i = 0; i < parameterInfos.Length; i++)
{
ParameterInfo parameter = parameterInfos[i];
var paramAttributes = parameter.GetCustomAttributes <FromArgAttribute>(false).ToList();
foreach (var fromArgAttribute in paramAttributes)
{
if (!flubuSession.Args.ScriptArguments.ContainsKey(fromArgAttribute.ArgKey))
{
continue;
}
attributeParamaters[i] = MethodParameterModifier.ParseValueByType(flubuSession.Args.ScriptArguments[fromArgAttribute.ArgKey], parameter.ParameterType);
}
if (flubuSession.Args.ScriptArguments.ContainsKey(parameter.Name))
{
object parsedValue = MethodParameterModifier.ParseValueByType(flubuSession.Args.ScriptArguments[parameter.Name], parameter.ParameterType);
attributeParamaters[i] = parsedValue;
}
}
methodInfo.Invoke(buildScript, attributeParamaters.ToArray());
}
}
#endif
}
