/// <summary>
/// Binds parameter inputs in command instance.
/// </summary>
public static void BindParameters(this CommandSchema commandSchema, ICommand instance, IReadOnlyList <CommandParameterInput> parameterInputs)
{
IReadOnlyList <CommandParameterSchema> parameters = commandSchema.Parameters;
// All inputs must be bound
int remainingParameters = parameters.Count;
int remainingInputs = parameterInputs.Count;
if (remainingParameters > remainingInputs)
{
throw ArgumentBindingExceptions.ParameterNotSet(parameters.TakeLast(remainingParameters - remainingInputs));
}
// Scalar parameters
int i = 0;
for (; i < parameters.Count && parameters[i].IsScalar; ++i)
{
CommandParameterSchema parameter = parameters[i];
CommandParameterInput scalarInput = parameterInputs[i];
parameter.BindOn(instance, scalarInput.Value);
--remainingParameters;
--remainingInputs;
}
// Non-scalar parameter (only one is allowed)
if (i < parameters.Count && !parameters[i].IsScalar)
{
CommandParameterSchema nonScalarParameter = parameters[i];
string[] nonScalarValues = parameterInputs.TakeLast(remainingInputs)
.Select(p => p.Value)
.ToArray();
// Parameters are required by default and so a non-scalar parameter must be bound to at least one value
if (!nonScalarValues.Any())
{
throw ArgumentBindingExceptions.ParameterNotSet(new[] { nonScalarParameter });
}
nonScalarParameter.BindOn(instance, nonScalarValues);
--remainingParameters;
remainingInputs = 0;
}
// Ensure all inputs were bound
if (remainingInputs > 0)
{
throw ArgumentBindingExceptions.UnrecognizedParametersProvided(parameterInputs.TakeLast(remainingInputs));
}
}
private void BindParameters(ICommand instance, IReadOnlyList <CommandParameterInput> parameterInputs)
{
// All inputs must be bound
List <CommandParameterInput> remainingParameterInputs = parameterInputs.ToList();
// Scalar parameters
CommandParameterSchema[] scalarParameters = Parameters.OrderBy(p => p.Order)
.TakeWhile(p => p.IsScalar)
.ToArray();
for (int i = 0; i < scalarParameters.Length; i++)
{
CommandParameterSchema parameter = scalarParameters[i];
CommandParameterInput scalarInput = i < parameterInputs.Count
? parameterInputs[i]
: throw EndUserTypinExceptions.ParameterNotSet(parameter);
parameter.BindOn(instance, scalarInput.Value);
remainingParameterInputs.Remove(scalarInput);
}
// Non-scalar parameter (only one is allowed)
CommandParameterSchema nonScalarParameter = Parameters.OrderBy(p => p.Order)
.FirstOrDefault(p => !p.IsScalar);
if (nonScalarParameter != null)
{
string[] nonScalarValues = parameterInputs.Skip(scalarParameters.Length)
.Select(p => p.Value)
.ToArray();
// Parameters are required by default and so a non-scalar parameter must
// be bound to at least one value
if (!nonScalarValues.Any())
{
throw EndUserTypinExceptions.ParameterNotSet(nonScalarParameter);
}
nonScalarParameter.BindOn(instance, nonScalarValues);
remainingParameterInputs.Clear();
}
// Ensure all inputs were bound
if (remainingParameterInputs.Any())
{
throw EndUserTypinExceptions.UnrecognizedParametersProvided(remainingParameterInputs);
}
}
