public void Read([NotNull] CommandLineKeyValueStore commandLine, [NotNull] object model)
{
if (commandLine == null)
{
throw new ArgumentNullException(nameof(commandLine));
}
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!mModelType.GetTypeInfo().IsInstanceOfType(model))
{
return;
}
foreach (var property in mProperties)
{
property.Item1.Prepare(commandLine);
}
foreach (var property in mProperties)
{
property.Item1.Visit(commandLine, property.Item2, model, mLog ?? new NullLogWriter());
}
}
protected override Result PrepareOverride(CommandLineKeyValueStore parser)
{
parser.RegisterFlag(Name);
parser.RegisterAlias(Name, ShortForm);
return(Result.Success);
}
public Result Prepare(CommandLineKeyValueStore parser)
{
if (parser == null)
{
throw new ArgumentNullException(nameof(parser));
}
return(PrepareOverride(parser));
}
protected override Result <object> GetValueOverride(CommandLineKeyValueStore parser)
{
if (!parser.Exists(Name) || string.IsNullOrWhiteSpace(parser.Read(Name)))
{
return(Result.CreateError <Result <object> >($"Command line value \"{Name}\" not set."));
}
return(new Result <object>(parser.ReadMany(Name).ToArray()));
}
protected override Result <object> GetValueOverride(CommandLineKeyValueStore parser)
{
if (!parser.Exists(Name))
{
return(Result.CreateError <Result <object> >($"Command line switch \"{Name}\" not set."));
}
return(new Result <object>(parser.Exists(Name)));
}
public Result Visit(CommandLineKeyValueStore parser, PropertyInfo property, object modelInstance, ILogWriter log)
{
if (parser == null)
{
throw new ArgumentNullException(nameof(parser));
}
if (property == null)
{
throw new ArgumentNullException(nameof(property));
}
if (modelInstance == null)
{
throw new ArgumentNullException(nameof(modelInstance));
}
var targetType = property.PropertyType.GetTypeInfo();
var defaultValue = GetDefault(targetType);
var valueResult = GetValueOverride(parser);
if (valueResult.HasError)
{
property.SetValue(modelInstance, defaultValue);
log.WriteVerbose(valueResult.ErrorDescription);
return(valueResult);
}
var castResult = ChangeType(valueResult.Data, targetType);
if (castResult.HasError)
{
property.SetValue(modelInstance, defaultValue);
log.WriteWarning(castResult.ErrorDescription);
return(castResult);
}
property.SetValue(modelInstance, castResult.Data);
return(Result.Success);
}
protected override Result <object> GetValueOverride(CommandLineKeyValueStore parser)
{
return(new Result <object>(parser.ReadTail().ToArray()));
}
protected abstract Result <object> GetValueOverride([NotNull] CommandLineKeyValueStore parser);
protected virtual Result PrepareOverride([NotNull] CommandLineKeyValueStore parser) => Result.Success;
