/// <inheritdoc />
protected override void ExecuteCore(TextReader input, TextWriter output, TextWriter error, ArgumentEnumerator args)
{
if (args.MoveNext() && string.CompareOrdinal(args.CurrentName, "?") == 0)
{
ExecuteHelp(output, args);
}
else
{
ExecuteMethod(input, output, error, args);
}
}
private void WriteExamples(TextWriter output, char namePrefix)
{
Attribute[] eas = Attribute.GetCustomAttributes(_method.Method, typeof(ExampleAttribute));
if (eas.Length == 0)
{
return;
}
output.WriteLine();
output.WriteLine(Resources.ExamplesSection);
foreach (ExampleAttribute ea in eas)
{
output.WriteLine();
string description = ea.Description;
if (description != null && description.Length > 0)
{
output.WriteLine(description);
output.WriteLine();
}
output.WriteIndent(ExampleIndent);
output.Write(Name);
ArgumentEnumerator args = new ArgumentEnumerator(ea.NamePrefix, ea.Example);
while (args.MoveNext())
{
output.Write(' ');
output.Write(namePrefix);
output.Write(args.CurrentName);
if (args.CurrentValue != bool.FalseString &&
args.CurrentValue != bool.TrueString)
{
output.Write(':');
output.Write(args.CurrentValue);
}
}
output.WriteLine();
}
}
/// <inheritdoc />
protected override void ExecuteCore(TextReader input, TextWriter output, TextWriter error, ArgumentEnumerator args)
{
Command commandBase = null;
CommandContext commandContext = this;
if (!args.MoveNext())
{
return;
}
CommandContextScope executionScope = CommandContextScope.Current;
if (executionScope != null && executionScope.CurrentContext != this)
{
ThrowHelper.ThrowNotCurrentCommandContextException(Name);
}
if (args.CurrentName == string.Empty)
{
while (string.CompareOrdinal(args.CurrentValue, "..") == 0)
{
if (executionScope == null)
{
ThrowHelper.ThrowNoCommandContextExecutionScope(Name);
}
commandContext = executionScope.PopContext();
if (!args.MoveNext())
{
return;
}
}
}
do
{
if (args.CurrentName == string.Empty)
{
if (string.Compare(args.CurrentValue, "help", StringComparison.OrdinalIgnoreCase) == 0)
{
commandContext.ExecuteHelp(output, executionScope);
return;
}
commandContext._commands.TryGetCommand(args.CurrentValue, out commandBase);
commandContext = commandBase as CommandContext;
if (commandContext == null)
{
break;
}
if (executionScope != null)
{
executionScope.PushContext(commandContext);
}
}
else
{
if (string.CompareOrdinal(args.CurrentName, "?") == 0)
{
commandContext.ExecuteHelp(output, executionScope); return;
}
else
{
ThrowHelper.ThrowUnknownArgumentException(Name, args.CurrentName);
}
}
}while (args.MoveNext());
if (commandBase == null)
{
if (executionScope == null || executionScope.CurrentContext == this)
{
ThrowHelper.ThrowUnknownCommandException(args.CurrentValue);
}
}
else
{
args.MoveNext();
commandBase.Execute(input, output, error, args.ContinueFromCurrent());
}
}
