static void HandleCommand(CommandLineApplication cla, CommandLineBinding binding,
MemberInfo m, Func <object> modelGetter)
{
if (!binding._executed)
{
return;
}
if (m is MethodInfo)
{
var mi = (MethodInfo)m;
var miParams = mi.GetParameters();
if (miParams.Length == 1)
{
mi.Invoke(binding._parentBinding.GetModel(), new object[] { modelGetter() });
}
else if (miParams.Length == 0)
{
mi.Invoke(binding._parentBinding.GetModel(), EmptyValues);
}
}
else if (m is PropertyInfo)
{
var pi = (PropertyInfo)m;
pi.SetValue(binding._parentBinding.GetModel(), modelGetter());
}
}
static void HandleRemainingArguments(RemainingArgumentsAttribute att,
CommandLineBinding binding, MemberInfo m)
{
if (att.SkipIfNone && binding._cla.RemainingArguments?.Count == 0)
{
// No remaining args
return;
}
var args = binding._cla.RemainingArguments?.ToArray();
if (args == null)
{
args = new string[0];
}
if (m is MethodInfo)
{
var mi = (MethodInfo)m;
mi.Invoke(binding.GetModel(), args);
}
else if (m is PropertyInfo)
{
var pi = (PropertyInfo)m;
pi.SetValue(binding.GetModel(), args);
}
}
public void TestBasicOnExec()
{
var b1 = CommandLineBinding <BasicOnExec1> .Build();
Assert.False(b1.Model._onExecInvoked);
var r1 = b1.Execute();
Assert.False(b1.Model._onExecInvoked);
Assert.Equal(0, r1);
var b2 = CommandLineBinding <BasicOnExec2> .Build();
Assert.False(b2.Model._onExecInvoked);
Assert.Null(b2.Model._onExecParam);
var r2 = b2.Execute();
Assert.True(b2.Model._onExecInvoked);
Assert.NotNull(b2.Model._onExecParam);
Assert.Equal(0, r2);
var b3 = CommandLineBinding <BasicOnExec3> .Build();
Assert.False(b3.Model._onExecInvoked);
Assert.Null(b3.Model._onExecParam);
var r3 = b3.Execute();
Assert.True(b3.Model._onExecInvoked);
Assert.NotNull(b3.Model._onExecParam);
Assert.Equal(BasicOnExec3.RETURN_VALUE, r3);
}
public void TestSameExecMultiNames()
{
var args = new[]
{
new[] { "-g", "Howdy!" },
new[] { "-g", "Howdy!", "--uppercase" },
new[] { "-g", "Howdy!", "--uppercase", "name", "John", "Jacob", "Jingle" },
};
var claOut = new StringWriter();
var claError = new StringWriter();
var binderOut = new StringWriter();
var binderError = new StringWriter();
foreach (var a in args)
{
var cla = BuildDocSampleCLA();
var binder = CommandLineBinding <DocSampleModel> .Build();
SetOutErr(cla, claOut, claError);
binder.Out = binderOut;
binder.Error = binderError;
cla.Execute(a);
binder.Execute(a);
}
//Console.WriteLine(nameof(TestSameExecMultiNames) + "Out: " + binderOut.ToString());
//Console.WriteLine(nameof(TestSameExecMultiNames) + "Err: " + binderError.ToString());
Assert.Equal(claOut.ToString(), binderOut.ToString());
Assert.Equal(claError.ToString(), binderError.ToString());
}
public void TestSameNameHelp()
{
var claOut = new StringWriter();
var claError = new StringWriter();
var binderOut = new StringWriter();
var binderError = new StringWriter();
var cla = BuildDocSampleCLA();
var binder = CommandLineBinding <DocSampleModel> .Build();
SetOutErr(cla, claOut, claError);
binder.Out = binderOut;
binder.Error = binderError;
var args = new[] { "name", "--help-me" };
cla.Execute(args);
binder.Execute(args);
//Console.WriteLine(nameof(TestSameNameHelp) + "Out: " + claOut.ToString());
//Console.WriteLine(nameof(TestSameNameHelp) + "Err: " + claError.ToString());
Assert.Equal(claOut.ToString(), binderOut.ToString());
Assert.Equal(claError.ToString(), binderError.ToString());
}
public void TestBasicOnBind()
{
var b1 = CommandLineBinding <BasicOnBind1> .Build();
Assert.NotNull(b1.Model._opt1OnBindConfig);
Assert.NotNull(b1.Model._arg1OnBindConfig);
Assert.NotNull(b1.Model._cmd1OnBindConfig);
}
public void TestBasicRemainingArgs()
{
var empty = new string[0];
var b1_1 = CommandLineBinding <BasicRemainingArgs1> .Build();
Assert.Null(b1_1.Model.TheRest);
b1_1.Execute();
Assert.Equal(empty, b1_1.Model.TheRest);
var b1_2 = CommandLineBinding <BasicRemainingArgs1> .Build();
Assert.Null(b1_2.Model.TheRest);
b1_2.Execute("--flag1");
Assert.Equal(empty, b1_2.Model.TheRest);
var b1_3 = CommandLineBinding <BasicRemainingArgs1> .Build();
Assert.Null(b1_3.Model.TheRest);
b1_3.Execute("--opt1", "opt1-value", "--multi1", "m1", "--multi1", "m2");
Assert.Equal(empty, b1_3.Model.TheRest);
var b2_1 = CommandLineBinding <BasicRemainingArgs1> .Build();
Assert.Null(b2_1.Model.TheRest);
b2_1.Execute("foo");
Assert.Equal(new[] { "foo" }, b2_1.Model.TheRest);
var b2_2 = CommandLineBinding <BasicRemainingArgs1> .Build();
Assert.Null(b2_2.Model.TheRest);
b2_2.Execute("foo", "bar", "baz");
Assert.Equal(new[] { "foo", "bar", "baz" }, b2_2.Model.TheRest);
var b3_1 = CommandLineBinding <BasicRemainingArgs1> .Build();
Assert.Null(b3_1.Model.TheRest);
b3_1.Execute("--flag1", "foo");
Assert.Equal(new[] { "foo" }, b3_1.Model.TheRest);
var b3_2 = CommandLineBinding <BasicRemainingArgs1> .Build();
Assert.Null(b3_2.Model.TheRest);
b3_2.Execute("--opt1", "opt1-value", "--multi1", "m1", "--multi1", "m2", "foo", "bar", "baz");
Assert.Equal("opt1-value", b3_2.Model.Opt1);
Assert.Equal(new[] { "m1", "m2" }, b3_2.Model.Multi1);
Assert.Equal(new[] { "foo", "bar", "baz" }, b3_2.Model.TheRest);
// This scenario is not supported (interleaved un-named args with named args)
//var b3_3 = CommandLineBinding<BasicRemainingArgs1>.Build();
//Assert.Null(b3_3.Model.TheRest);
//b3_3.Execute("--opt1", "opt1-value", "foo", "--multi1", "m1", "bar", "--multi1", "m2", "baz");
//Assert.Equal("opt1-value", b3_3.Model.Opt1);
//Assert.Equal(new[] { "m1", "m2" }, b3_3.Model.Multi1);
//Assert.Equal(new[] { "foo", "bar", "baz" }, b3_3.Model.TheRest);
}
static void AddVersionOption(CommandLineBinding binding, Attribute att, MemberInfo m)
{
if (att is VersionOptionAttribute)
{
binding._versionOption = (VersionOptionAttribute)att;
binding._bindingActions.Add(() =>
{
if (binding._versionOption == null)
{
return;
}
if (binding._versionShortGetter == null)
{
binding._versionShortGetter = binding._versionLongGetter;
}
if (binding._versionShortGetter != null)
{
binding._cla.VersionOption(binding._versionOption.Template,
binding._versionShortGetter, binding._versionLongGetter);
}
else
{
binding._cla.VersionOption(binding._versionOption.Template,
binding._versionOption.ShortVersion, binding._versionOption.LongVersion);
}
});
}
else if (att is ShortVersionGetterAttribute || att is LongVersionGetterAttribute)
{
var mi = m as MethodInfo;
var pi = m as PropertyInfo;
Func <string> getter = null;
if (mi != null && mi.ReturnParameter.ParameterType == typeof(string) &&
mi.GetParameters().Length == 0)
{
getter = () => (string)mi.Invoke(binding.GetModel(), EmptyValues);
}
else if (pi != null && pi.PropertyType == typeof(string))
{
getter = () => (string)pi.GetValue(binding.GetModel());
}
if (getter != null && att is ShortVersionGetterAttribute)
{
binding._versionShortGetter = getter;
}
if (getter != null && att is LongVersionGetterAttribute)
{
binding._versionLongGetter = getter;
}
}
}
public void TestBasicCommands()
{
var outWriter = new StringWriter();
var errWriter = new StringWriter();;
var binding = CommandLineBinding <BasicCommands> .Build();
binding.Out = outWriter;
binding.Error = errWriter;
binding.Execute(BasicCommands.HELP_TEMPLATE);
// Console.WriteLine("*******************************");
// Console.WriteLine("Out: " + outWriter.ToString());
// Console.WriteLine("Err: " + errWriter.ToString());
// Console.WriteLine("*******************************");
Assert.True(outWriter.ToString().Contains("sub1"));
Assert.True(outWriter.ToString().Contains("sub2"));
Assert.True(outWriter.ToString().Contains("sub3"));
Assert.Equal(string.Empty, errWriter.ToString());
Assert.Null(binding.Model.Sub1);
Assert.Null(binding.Model._sub2);
Assert.Null(binding.Model.Sub3);
binding = CommandLineBinding <BasicCommands> .Build();
binding.Execute("sub1");
Assert.False(binding.Model.Opt1);
Assert.NotNull(binding.Model.Sub1);
Assert.Null(binding.Model.Sub1.Url);
Assert.Null(binding.Model._sub2);
Assert.Null(binding.Model.Sub3);
binding = CommandLineBinding <BasicCommands> .Build();
binding.Execute("--opt1", "sub1");
Assert.True(binding.Model.Opt1);
Assert.NotNull(binding.Model.Sub1);
Assert.Null(binding.Model.Sub1.Url);
Assert.Null(binding.Model._sub2);
Assert.Null(binding.Model.Sub3);
binding = CommandLineBinding <BasicCommands> .Build();
binding.Execute("sub1", "--url", "foo");
Assert.NotNull(binding.Model.Sub1);
Assert.Equal("foo", binding.Model.Sub1.Url);
Assert.Null(binding.Model._sub2);
Assert.Null(binding.Model.Sub3);
binding = CommandLineBinding <BasicCommands> .Build();
binding.Execute("sub2");
Assert.Null(binding.Model.Sub1);
Assert.NotNull(binding.Model._sub2);
Assert.Null(binding.Model._sub2.Path);
Assert.Null(binding.Model.Sub3);
}
public void TestBasicOnInit()
{
var b1 = CommandLineBinding <BasicOnInit1> .Build();
Assert.False(b1.Model._onInitInvoked);
var b2 = CommandLineBinding <BasicOnInit2> .Build();
Assert.True(b2.Model._onInitInvoked);
Assert.NotNull(b2.Model._onInitParam);
}
static void AddHelpOption(CommandLineBinding binding, Attribute att, MemberInfo m)
{
var a = (HelpOptionAttribute)att;
binding._helpOption = a;
binding._bindingActions.Add(() =>
{
binding._cla.HelpOption(binding._helpOption.Template);
});
}
public void TestEmptyModel1()
{
var outWriter = new StringWriter();
var errWriter = new StringWriter();;
var x = CommandLineBinding <EmptyModel1> .Build();
x.Out = outWriter;
x.Error = errWriter;
x.Execute("-f foo --bar bar baz");
x.Execute("-h");
x.Execute("-v");
Assert.Equal(string.Empty, outWriter.ToString());
Assert.Equal(string.Empty, errWriter.ToString());
}
static void HandleOption(CommandOption co, CommandLineBinding binding, MemberInfo m)
{
if (!co.HasValue())
{
return;
}
object coValue;
if (co.OptionType == CommandOptionType.NoValue)
{
//coValue = bool.Parse(co.Value());
coValue = true;
}
else if (co.OptionType == CommandOptionType.SingleValue)
{
coValue = co.Value();
}
else
{
coValue = co.Values.ToArray();
}
if (m is MethodInfo)
{
var mi = (MethodInfo)m;
var miParams = mi.GetParameters();
if (miParams.Length == 2)
{
mi.Invoke(binding.GetModel(), new object[] { coValue, binding });
}
else if (miParams.Length == 1)
{
mi.Invoke(binding.GetModel(), new object[] { coValue });
}
else
{
mi.Invoke(binding.GetModel(), EmptyValues);
}
}
else if (m is PropertyInfo)
{
var pi = (PropertyInfo)m;
pi.SetValue(binding.GetModel(), coValue);
}
}
static void SetCLA(CommandLineBinding binding, Attribute att)
{
var claAtt = (CommandLineAttribute)att;
if (claAtt == null)
{
claAtt = new CommandLineAttribute();
}
if (binding._cla == null)
{
binding._cla = new CommandLineApplication(claAtt.ThrowOnUnexpectedArg);
}
binding._cla.Name = claAtt.Name ?? string.Empty;
binding._cla.FullName = claAtt.FullName ?? string.Empty;
binding._cla.Description = claAtt.Description ?? string.Empty;
binding._cla.AllowArgumentSeparator = claAtt.AllowArgumentSeparator;
}
public void TestBasicSwitches()
{
var boolSwitch = "--" + nameof(BasicSwitches.ImplicitBool).ToLower();
var boolNullSwitch = "--" + nameof(BasicSwitches.ImplicitBoolNullable).ToLower();
var outWriter = new StringWriter();
var errWriter = new StringWriter();;
var binding = CommandLineBinding <BasicSwitches> .Build();
binding.Out = outWriter;
binding.Error = errWriter;
binding.Execute("--help-me");
Assert.True(outWriter.ToString().Contains(boolSwitch));
Assert.True(outWriter.ToString().Contains(boolNullSwitch));
Assert.Equal(string.Empty, errWriter.ToString());
binding = CommandLineBinding <BasicSwitches> .Build();
binding.Execute(boolSwitch);
Assert.True(binding.Model._impliciBoolCalled);
Assert.True(binding.Model._impliciBoolValue);
Assert.False(binding.Model.ImplicitBoolNullable.HasValue);
// TODO:
// Apparently NoValue options of the formt --opt:true or --opt:false
// are not support contrary to my interpretation of
// https://msdn.microsoft.com/en-us/magazine/mt763239.aspx?f=255&MSPPError=-2147217396
//model = CommandLineModel<BasicSwitches>.Build();
//model.Execute(boolSwitch + "=true");
//Assert.True(model.Instance._impliciBoolCalled);
//Assert.False(model.Instance._impliciBoolValue);
//Assert.False(model.Instance.ImplicitBoolNullable.HasValue);
binding = CommandLineBinding <BasicSwitches> .Build();
binding.Execute(boolNullSwitch);
Assert.False(binding.Model._impliciBoolCalled);
Assert.False(binding.Model._impliciBoolValue);
Assert.True(binding.Model.ImplicitBoolNullable.HasValue);
Assert.True(binding.Model.ImplicitBoolNullable.Value);
}
public void TestBasicMultiOptions()
{
var outWriter = new StringWriter();
var errWriter = new StringWriter();;
var binding = CommandLineBinding <BasicMultiOptions> .Build();
binding.Out = outWriter;
binding.Error = errWriter;
binding.Execute(BasicMultiOptions.HELP_TEMPLATE);
// Console.WriteLine("*******************************");
// Console.WriteLine("Out: " + outWriter.ToString());
// Console.WriteLine("Err: " + errWriter.ToString());
// Console.WriteLine("*******************************");
binding = CommandLineBinding <BasicMultiOptions> .Build();
binding.Execute("--multi1", "v1", "--multi1", "v2", "--multi1", "v3");
Assert.Equal(new[] { "v1", "v2", "v3", }, binding.Model.Multi1);
binding = CommandLineBinding <BasicMultiOptions> .Build();
binding.Execute("--multi2", "v1", "--multi2", "v2", "--multi2", "v3");
Assert.Equal(new[] { "v1", "v2", "v3", }, binding.Model._multi2Values);
binding = CommandLineBinding <BasicMultiOptions> .Build();
binding.Execute("--multi3", "v1", "--multi3", "v2", "--multi3", "v3");
Assert.Equal(new[] { "v1", "v2", "v3", }, binding.Model._multi3Values);
binding = CommandLineBinding <BasicMultiOptions> .Build();
binding.Execute(
"--multi1", "v1", "--multi2", "v2", "--multi3", "v3",
"--multi1", "vA", "--multi2", "vB", "--multi3", "vC",
"--multi1", "vI", "--multi2", "vII", "--multi3", "vIII"
);
Assert.Equal(new[] { "v1", "vA", "vI", }, binding.Model.Multi1);
Assert.Equal(new[] { "v2", "vB", "vII", }, binding.Model._multi2Values);
Assert.Equal(new[] { "v3", "vC", "vIII", }, binding.Model._multi3Values);
}
static void BindRemainingArguments(CommandLineBinding binding)
{
var m = binding._remainingArgumentsMember;
if (m == null)
{
return;
}
var a = (RemainingArgumentsAttribute)m.GetCustomAttribute(typeof(RemainingArgumentsAttribute));
var onConfigName = $"{m.Name}{MemberOnBindMethodSuffix}";
var onConfigMeth = binding.GetModel().GetType().GetTypeInfo().GetMethod(
onConfigName, OnBindRemainingArgumentsParams);
if (onConfigMeth != null)
{
onConfigMeth.Invoke(binding.GetModel(), new[] { binding._cla });
}
binding._postExecActions.Add(() => { HandleRemainingArguments(a, binding, m); });
}
public void TestHelpfulEmptyModel()
{
var outWriter = new StringWriter();
var errWriter = new StringWriter();;
var binding = CommandLineBinding <HelpfulEmptyModel> .Build();
binding.Out = outWriter;
binding.Error = errWriter;
binding.Execute("-f foo --bar bar baz");
Assert.Equal(string.Empty, outWriter.ToString());
binding.Execute("-v");
Assert.Equal(string.Empty, outWriter.ToString());
binding.Execute("-h");
Assert.True(outWriter.ToString().Contains("Usage"));
Assert.True(outWriter.ToString().Contains("Options"));
Assert.True(outWriter.ToString().Contains("Show help information"));
Assert.Equal(string.Empty, errWriter.ToString());
}
public void TestDynamicallyVersionedEmptyModel()
{
var outWriter = new StringWriter();
var errWriter = new StringWriter();;
var binding = CommandLineBinding <DynamicallyVersionedEmptyModel> .Build();
binding.Out = outWriter;
binding.Error = errWriter;
binding.Execute("-f foo --bar bar baz");
Assert.Equal(string.Empty, outWriter.ToString());
binding.Execute("-h");
Assert.Equal(string.Empty, outWriter.ToString());
binding.Execute("--version");
Assert.Equal($"{nameof(DynamicallyVersionedEmptyModel)} {DynamicallyVersionedEmptyModel.SVER}",
binding.GetFullNameAndVersion());
Assert.Equal($"{nameof(DynamicallyVersionedEmptyModel)}\r\n{DynamicallyVersionedEmptyModel.LVER}",
outWriter.ToString().Trim());
Assert.Equal(string.Empty, errWriter.ToString());
}
static void HandleArgument(CommandArgument ca, CommandLineBinding binding, MemberInfo m)
{
if (ca.Values?.Count == 0)
{
return;
}
object caValue;
if (ca.MultipleValues)
{
caValue = ca.Values.ToArray();
}
else
{
caValue = ca.Value;
}
if (m is MethodInfo)
{
var mi = (MethodInfo)m;
var miParams = mi.GetParameters();
if (miParams.Length == 2)
{
mi.Invoke(binding.GetModel(), new object[] { caValue, binding });
}
else
{
mi.Invoke(binding.GetModel(), new object[] { caValue });
}
}
else if (m is PropertyInfo)
{
var pi = (PropertyInfo)m;
pi.SetValue(binding.GetModel(), caValue);
}
}
public void TestSameExecBadOption()
{
var claOut = new StringWriter();
var claError = new StringWriter();
var binderOut = new StringWriter();
var binderError = new StringWriter();
var cla = BuildDocSampleCLA();
var binder = CommandLineBinding <DocSampleModel> .Build();
SetOutErr(cla, claOut, claError);
binder.Out = binderOut;
binder.Error = binderError;
cla.Execute("--foo");
binder.Execute("--foo");
// Console.WriteLine("Out: " + claOut.ToString());
// Console.WriteLine("Err: " + claError.ToString());
Assert.Equal(claOut.ToString(), binderOut.ToString());
Assert.Equal(claError.ToString(), binderError.ToString());
}
static void AddCommand(CommandLineBinding binding, Attribute att, MemberInfo m)
{
var a = (CommandAttribute)att;
var cmdName = a.Name;
if (string.IsNullOrEmpty(cmdName))
{
cmdName = m.Name.ToLower();
}
Type cmdType;
if (m is MethodInfo)
{
var mi = (MethodInfo)m;
var miParams = mi.GetParameters();
if (miParams.Length == 1)
{
cmdType = miParams[0].ParameterType;
}
else if (miParams.Length == 0)
{
cmdType = null;
}
else
{
throw new NotSupportedException("method signature is not supported");
}
}
else if (m is PropertyInfo)
{
var pi = (PropertyInfo)m;
cmdType = pi.PropertyType;
}
else
{
return;
}
// See if there is an optional configuration method for this sub-command
var onConfigName = $"{m.Name}{MemberOnBindMethodSuffix}";
var onConfigMeth = binding.GetModel().GetType().GetTypeInfo().GetMethod(
onConfigName, OnBindCommandParams);
// Add the option based on whether there is a config method
Action <CommandLineApplication> configAction = cla => { };
if (onConfigMeth != null)
{
configAction = cla => onConfigMeth.Invoke(binding.GetModel(), new[] { cla });
}
var subCla = binding._cla.Command(cmdName, configAction, a.ThrowOnUnexpectedArg);
// When a sub-command is specified, its OnExecute handler is invoked instead of the
// parent's so we inject a post-exec action to invoke the parent's post-exec actions
Action parentPostExec = () => binding.PostExec(true);
var subBinding = CommandLineBinding.BindModel(cmdType, subCla,
binding.GetModel(), parentPostExec);
subBinding._parentBinding = binding;
binding._childBindings.Add(subBinding);
// This is already invoked by Apply which is invoke by Build
//subModelSetCLA.Invoke(null, new object[] { subModel, cmdType.GetTypeInfo()
// .GetCustomAttribute<CommandLineApplicationAttribute>() });
// We need to make sure the command name from the Command attr is preserved after
// processing of the optional CLA attr on the subclass which may have its own name
subCla.Name = cmdName;
binding._postExecActions.Add(() => HandleCommand(subCla, subBinding, m,
() => subBinding.GetModel()));
}
static void AddOption(CommandLineBinding binding, Attribute att, MemberInfo m)
{
var a = (OptionAttribute)att;
// Resolve the option value type
Type valueType = null;
if (m is PropertyInfo)
{
var pi = (PropertyInfo)m;
valueType = pi.PropertyType;
}
else if (m is MethodInfo)
{
var mi = (MethodInfo)m;
var miParams = mi.GetParameters();
if (miParams.Length == 1 || (miParams.Length == 2 &&
typeof(CommandLineBinding).GetTypeInfo().IsAssignableFrom(miParams[1].ParameterType)))
{
valueType = miParams[0].ParameterType;
}
else if (miParams.Length > 0)
{
throw new NotSupportedException("method signature is not supported");
}
}
// Figure out the option type based on value type if it wasn't explicitly specified
CommandOptionType optionType = CommandOptionType.NoValue;
if (a.OptionType == null && valueType != null)
{
// Try to resolve the option type based on the property type
if (valueType.GetTypeInfo().IsAssignableFrom(typeof(string)))
{
optionType = CommandOptionType.SingleValue;
}
else if (valueType.GetTypeInfo().IsAssignableFrom(typeof(string[])))
{
optionType = CommandOptionType.MultipleValue;
}
else if (valueType == typeof(bool?) || valueType == typeof(bool))
{
optionType = CommandOptionType.NoValue;
}
else
{
throw new NotSupportedException("option value type is not supported");
}
}
// Resolve the option template if it wasn't explicitly specified
var template = a.Template;
if (string.IsNullOrEmpty(template))
{
template = $"--{m.Name.ToLower()}";
}
// See if there is an optional configuration method for this option
var onConfigName = $"{m.Name}{MemberOnBindMethodSuffix}";
var onConfigMeth = binding.GetModel().GetType().GetTypeInfo().GetMethod(
onConfigName, OnBindOptionParams);
// Add the option based on whether there is a config method
CommandOption co;
if (onConfigMeth != null)
{
co = binding._cla.Option(template, a.Description,
optionType,
cmdOpt => onConfigMeth.Invoke(binding.GetModel(), new[] { cmdOpt }),
a.Inherited);
}
else
{
co = binding._cla.Option(template, a.Description,
optionType,
a.Inherited);
}
// Add a post-exec handler for this option
binding._postExecActions.Add(() => HandleOption(co, binding, m));
}
static void AddArgument(CommandLineBinding binding, Attribute att, MemberInfo m)
{
var a = (ArgumentAttribute)att;
// Resolve the option value type
Type valueType = null;
if (m is PropertyInfo)
{
var pi = (PropertyInfo)m;
valueType = pi.PropertyType;
}
else if (m is MethodInfo)
{
var mi = (MethodInfo)m;
var miParams = mi.GetParameters();
if (miParams.Length == 1 || (miParams.Length == 2 &&
typeof(CommandLineBinding).GetTypeInfo().IsAssignableFrom(miParams[1].ParameterType)))
{
valueType = miParams[0].ParameterType;
}
else if (miParams.Length > 0)
{
throw new NotSupportedException("method signature is not supported");
}
}
// Figure out the argument arity based on value type if it wasn't explicitly specified
var multi = a.MultipleValues;
if (multi == null && valueType != null)
{
// Try to resolve the option type based on the property type
if (valueType.GetTypeInfo().IsAssignableFrom(typeof(string)))
{
multi = false;
}
else if (valueType.GetTypeInfo().IsAssignableFrom(typeof(string[])))
{
multi = true;
}
else
{
throw new NotSupportedException("option value type is not supported");
}
}
// Resolve the arg name if it wasn't explicitly specified
var argName = a.Name;
if (string.IsNullOrEmpty(argName))
{
argName = m.Name.ToLower();
}
// See if there is an optional configuration method for this option
var onConfigName = $"{m.Name}{MemberOnBindMethodSuffix}";
var onConfigMeth = binding.GetModel().GetType().GetTypeInfo().GetMethod(
onConfigName, OnBindArgumentParams);
CommandArgument ca;
if (onConfigMeth != null)
{
ca = binding._cla.Argument(argName, a.Description,
cmdArg => onConfigMeth.Invoke(binding.GetModel(), new[] { cmdArg }),
multi.GetValueOrDefault());
}
else
{
ca = binding._cla.Argument(argName, a.Description, multi.GetValueOrDefault());
}
binding._postExecActions.Add(() => { HandleArgument(ca, binding, m); });
}
static void AddRemainingArguments(CommandLineBinding binding, Attribute att, MemberInfo m)
{
var a = (RemainingArgumentsAttribute)att;
binding._remainingArgumentsMember = m;
}
public void TestEmptyModel2b()
{
var x = CommandLineBinding <EmptyModel2> .Build();
x.Execute("-f", "foo", "--bar", "bar", "baz");
}
