public virtual void Print(TextWriter writer, SwitchDescriptor[] switches)
{
using (var tw = new CommandTextWriter(writer))
{
this.Print(tw, switches);
}
}
protected override void OnExecute()
{
try
{
if (this.CommandName == string.Empty)
{
using (var writer = new CommandTextWriter(this.commandContext.Out))
{
this.PrintList(writer);
}
}
else
{
var command = this.commandContext.Commands[this.CommandName];
if (this.commandContext.IsCommandVisible(command) == false)
throw new CommandNotFoundException(string.Format(Resources.CommandNotFound_Format, command));
var parser = this.commandContext.Parsers[command];
parser.Out = this.commandContext.Out;
this.PrintUsage(command, parser);
}
}
finally
{
this.CommandName = string.Empty;
}
}
protected override void OnExecute()
{
var info = FileVersionInfo.GetVersionInfo(Assembly.GetEntryAssembly().Location);
using (var writer = new CommandTextWriter(this.commandContext.Out))
{
if (this.IsQuiet == false)
{
writer.WriteLine(string.Join(" ", this.commandContext.Name, this.commandContext.Version).Trim());
writer.WriteLine(info.LegalCopyright);
}
else
{
writer.WriteLine(this.commandContext.Version);
}
}
}
private void PrintList(CommandTextWriter writer)
{
this.commandContext.Parsers[this].PrintUsage();
writer.WriteLine(Resources.AvaliableCommands);
writer.Indent++;
foreach (var item in this.commandContext.Commands)
{
if (this.commandContext.IsCommandVisible(item) == false)
continue;
var summary = CommandDescriptor.GetUsageDescriptionProvider(item.GetType()).GetSummary(item);
writer.WriteLine(item.Name);
writer.Indent++;
writer.WriteMultiline(summary);
writer.Indent--;
}
writer.Indent--;
}
private void PrintSummary(CommandTextWriter writer, SwitchDescriptor[] switches)
{
if (this.Summary == string.Empty)
return;
writer.WriteLine(Resources.Summary);
writer.Indent++;
writer.WriteLine(this.Summary);
writer.Indent--;
writer.WriteLine();
}
private void PrintUsage(CommandTextWriter writer, SwitchDescriptor[] switches)
{
var query = from item in switches
orderby item.Required descending
select this.GetString(item);
var maxWidth = writer.Width - (writer.TabString.Length * writer.Indent);
var line = this.Name;
writer.WriteLine(Resources.Usage);
writer.Indent++;
foreach (var item in query)
{
if (line != string.Empty)
line += " ";
if (line.Length + item.Length >= maxWidth)
{
writer.WriteLine(line);
line = string.Empty.PadLeft(this.Name.Length + 1);
}
line += item;
}
writer.WriteLine(line);
writer.Indent--;
writer.WriteLine();
}
private void PrintRequirements(CommandTextWriter writer, SwitchDescriptor[] switches)
{
var items = switches.Where(i => i.Required == true).ToArray();
if (items.Any() == false)
return;
writer.WriteLine(Resources.Requirements);
writer.Indent++;
foreach (var item in items)
{
this.PrintRequirement(writer, item);
}
writer.Indent--;
writer.WriteLine();
}
private void PrintRequirement(CommandTextWriter writer, SwitchDescriptor descriptor)
{
writer.WriteLine(descriptor.Name);
if (descriptor.Description != string.Empty)
{
writer.Indent++;
writer.WriteMultiline(descriptor.Description);
writer.Indent--;
}
writer.WriteLine();
}
private void PrintOption(CommandTextWriter writer, SwitchDescriptor descriptor)
{
if (descriptor.ShortNamePattern != string.Empty)
writer.WriteLine(descriptor.ShortNamePattern);
if (descriptor.NamePattern != string.Empty)
writer.WriteLine(descriptor.NamePattern);
writer.Indent++;
writer.WriteMultiline(descriptor.Description);
writer.Indent--;
writer.WriteLine();
}
private void PrintDescription(CommandTextWriter writer, SwitchDescriptor[] switches)
{
if (this.Description == string.Empty)
return;
writer.WriteLine(Resources.Description);
writer.Indent++;
writer.WriteMultiline(this.Description);
writer.Indent--;
writer.WriteLine();
}
private void Print(CommandTextWriter writer, SwitchDescriptor[] switches)
{
this.PrintSummary(writer, switches);
this.PrintUsage(writer, switches);
this.PrintDescription(writer, switches);
this.PrintRequirements(writer, switches);
this.PrintOptions(writer, switches);
}