private Expression FindConstructor(ConstructorInfo[] constructors, List <PropertyInfo> inputProperties, string prefix)
{
for (int i = 0; i < constructors.Length; i++)
{
var ctor = constructors[i];
if (_processedConstructors.ContainsKey(ctor))
{
return(_processedConstructors[ctor]);
}
var parameters = ctor.GetParameters();
var arguments = new List <Expression>();
foreach (var parameter in parameters)
{
var name = prefix + parameter.Name;
if (parameter.ParameterType.IsPointer)
{
continue;
}
var resolution = _provider.CurrentJob.GetResolutions().FirstOrDefault(p => p.Key.Member.Name.Equals(name, StringComparison.OrdinalIgnoreCase));
if (resolution.Key != null)
{
RegisterProcessedMember(parameter.Name, prefix);
arguments.Add(resolution.Value);
continue;
}
var prop = inputProperties.Find(p => p.Name.Equals(name, StringComparison.OrdinalIgnoreCase));
if (_config != null && _config.Resolve(name, _input, out Expression result, StringComparer.OrdinalIgnoreCase))
{
RegisterProcessedMember(parameter.Name, prefix);
arguments.Add(result);
continue;
}
if (prop == null)
{
result = Resolve(_input, Expression.Default(parameter.ParameterType), prefix + parameter.Name);
if (result != null)
{
RegisterProcessedMember(parameter.Name, prefix);
arguments.Add(result);
}
continue;
}
foreach (var resolver in _provider.GetResolvers())
{
result = resolver.Resolve(Expression.Property(_input, prop.Name), Expression.Default(parameter.ParameterType));
if (result != null)
{
RegisterProcessedMember(parameter.Name, prefix);
arguments.Add(result);
break;
}
}
}
if (arguments.Count == parameters.Length)
{
var ctorExpr = Expression.New(ctor, arguments);
_processedConstructors.Add(ctor, ctorExpr);
return(ctorExpr);
}
}
return(null);
}
