private void PrintCommandsList(ICommandLineOutput output, IReadOnlyList <CommandModel> commands)
{
var commandsInfo = commands.Select(c => new
{
Name = _commandFormatter.FormatCommandName(c.Name),
Command = c
})
.OrderBy(_ => _.Name)
.ToArray();
int maxNameLength = GetMax(commandsInfo, _ => _.Name.Length, MaxNameLength);
output.WriteLine(Colors.White, "COMMANDS:");
foreach (var cmdInfo in commandsInfo)
{
output.Write(' ', NestedLineOffset);
output.Write(Colors.Yellow, cmdInfo.Name);
if (!String.IsNullOrWhiteSpace(cmdInfo.Command.Description))
{
int descrOffset = GetPadding(cmdInfo.Name.Length, maxNameLength) + DescriptionOffset;
output.Write(' ', descrOffset);
output.Write(Colors.DarkGray, cmdInfo.Command.Description);
}
output.WriteLine();
}
}
private void PrintOptionsList(ICommandLineOutput output, ArgumentModel[] options, int nameSpace)
{
output.WriteLine(Colors.White, "OPTIONS:");
foreach (var opt in options)
{
output.Write(' ', NestedLineOffset);
int nameLength = 0;
if (!String.IsNullOrWhiteSpace(opt.Alias))
{
output.Write(Colors.DarkGreen, '-');
output.Write(Colors.DarkGreen, opt.Alias);
output.Write(Colors.DarkGreen, OptionNameAliasSeparator);
nameLength += 1 + opt.Alias.Length + OptionNameAliasSeparator.Length;
}
output.Write(Colors.DarkGreen, "--");
output.Write(Colors.DarkGreen, opt.Name);
nameLength += 2 + opt.Name.Length;
if (!String.IsNullOrWhiteSpace(opt.Description))
{
int descrOffset = GetPadding(nameLength, nameSpace) + DescriptionOffset;
output.Write(' ', descrOffset);
output.Write(Colors.DarkGray, opt.Description);
}
output.WriteLine();
}
}
private void PrintUsage(ICommandLineOutput output)
{
output.WriteLine(Colors.White, "USAGE:");
output.Write(' ', NestedLineOffset);
output.WriteLine(new ColoredFormat("{0} [{1}] [{2}]")
{
{ "command name", Colors.Yellow },
{ "options...", Colors.DarkGreen },
{ "operands...", Colors.DarkCyan }
});
}
public void WriteCommandHelp(ICommandLineOutput output, CommandModel command)
{
string commandName = _commandFormatter.FormatCommandName(command.Name);
output.WriteLine(Colors.White, "NAME:");
output.Write(' ', NestedLineOffset);
output.WriteLine(Colors.Yellow, commandName);
output.WriteLine();
if (!String.IsNullOrWhiteSpace(command.Description))
{
output.WriteLine(Colors.White, "DESCRIPTION:");
output.Write(' ', NestedLineOffset);
output.WriteLine(Colors.DarkGray, command.Description);
output.WriteLine();
}
string syntax = _commandFormatter.FormatCommand(command);
output.WriteLine(Colors.White, "SYNTAX:");
output.Write(' ', NestedLineOffset);
output.WriteLine(syntax);
output.WriteLine();
var options = command.Arguments
.Where(_ => _.Kind == ArgumentKind.Option)
.OrderBy(_ => _.Name)
.ToArray();
var operands = command.Arguments
.Where(_ => _.Kind == ArgumentKind.Operand)
.ToArray();
int maxOptionNameLength = GetMax(options, GetOptionNameLength, MaxNameLength);
int maxOperandNameLength = GetMax(operands, _ => _.Name.Length, MaxNameLength);
int maxArgNameLength = Math.Max(maxOptionNameLength, maxOperandNameLength);
if (options.Length > 0)
{
PrintOptionsList(output, options, maxArgNameLength);
output.WriteLine();
}
if (operands.Length > 0)
{
PrintOperandsList(output, operands, maxArgNameLength);
output.WriteLine();
}
}
public void WriteGeneralHelp(ICommandLineOutput output, IReadOnlyList <CommandModel> commands)
{
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
if (commands == null)
{
throw new ArgumentNullException(nameof(commands));
}
PrintUsage(output);
output.WriteLine();
if (commands.Count != 0)
{
PrintCommandsList(output, commands);
output.WriteLine();
}
}
private void PrintOperandsList(ICommandLineOutput output, ArgumentModel[] operands, int nameSpace)
{
output.WriteLine(Colors.White, "OPERANDS:");
foreach (var opr in operands)
{
output.Write(' ', NestedLineOffset);
int nameLength = opr.Name.Length;
output.Write(Colors.DarkCyan, opr.Name);
if (!String.IsNullOrWhiteSpace(opr.Description))
{
int descrOffset = GetPadding(nameLength, nameSpace) + DescriptionOffset;
output.Write(' ', descrOffset);
output.Write(Colors.DarkGray, opr.Description);
}
output.WriteLine();
}
}
public void Clear(ICommandLineOutput output)
{
output.Clear();
}
