public bool Execute(string[] args, StringBuilder output)
{
CommandLineParser parser = new CommandLineParser(typeof(TArgs));
TArgs arguments = null;
try
{
arguments = (TArgs)parser.Parse(args);
}
catch (CommandLineArgumentException ex)
{
output.AppendLine(Invariant($"Error parsing ${this.Name} directive: {ex.Message}"));
using (StringWriter writer = new StringWriter(output, CultureInfo.InvariantCulture))
{
WriteUsageOptions options = new WriteUsageOptions()
{
UsagePrefix = Invariant($" Usage: ${this.Name}"),
Indent = 8
};
parser.WriteUsage(writer, 0, options);
}
return(false);
}
return(this.ExecuteCore(arguments, output));
}
public static CommandLineParser Parse(string[] args)
{
Request = null;
Ookii.CommandLine.CommandLineParser parser = new Ookii.CommandLine.CommandLineParser(typeof(CommandLineParser));
parser.ArgumentParsed += CommandLineParser_ArgumentParsed;
try
{
try
{
Request = (CommandLineParser)parser.Parse(args);
}
finally
{
MaybeShowLicense(args);
}
}
catch (CommandLineArgumentException ex)
{
using (LineWrappingTextWriter writer = LineWrappingTextWriter.ForConsoleError())
{
Logger.Log(Logger.Level.Error, ex.Message);
}
}
if (Request == null)
{
WriteUsageOptions options = new WriteUsageOptions()
{
IncludeDefaultValueInDescription = true, IncludeAliasInDescription = true
};
parser.WriteUsageToConsole(options);
Logger.Log(Logger.Level.Info, "Example:");
Logger.Log(Logger.Level.Info, " SqlProcScaffold.exe \"Server=my...\" MyNameSpace dbo.sp% C:\\src\\MyProj");
}
return(Request);
}
public static ProgramArguments Create(string[] args)
{
// Using a static creation function for a command line arguments class is not required, but it's a convenient
// way to place all command-line related functionality in one place. To parse the arguments (eg. from the Main method)
// you then only need to call this function.
CommandLineParser parser = new CommandLineParser(typeof(ProgramArguments));
// The ArgumentParsed event is used by this sample to stop parsing after the -Help argument is specified.
parser.ArgumentParsed += CommandLineParser_ArgumentParsed;
try
{
// The Parse function returns null only when the ArgumentParsed event handler cancelled parsing.
ProgramArguments result = (ProgramArguments)parser.Parse(args);
if (result != null)
{
return(result);
}
}
catch (CommandLineArgumentException ex)
{
// We use the LineWrappingTextWriter to neatly wrap console output.
using (LineWrappingTextWriter writer = LineWrappingTextWriter.ForConsoleError())
{
// Tell the user what went wrong.
writer.WriteLine(ex.Message);
writer.WriteLine();
}
}
// If we got here, we should print usage information to the console.
// By default, aliases and default values are not included in the usage descriptions; for this sample, I do want to include them.
WriteUsageOptions options = new WriteUsageOptions()
{
IncludeDefaultValueInDescription = true, IncludeAliasInDescription = true
};
// WriteUsageToConsole automatically uses a LineWrappingTextWriter to properly word-wrap the text.
parser.WriteUsageToConsole(options);
return(null);
}
/// <summary>
/// コマンドライン引数の生成
/// </summary>
/// <param name="args">コマンドライン引数</param>
/// <returns></returns>
public static CommandLineArgs Create(string[] args)
{
var parser = new CommandLineParser(typeof(CommandLineArgs));
//
parser.ArgumentParsed += Parser_ArgumentParsed;
//
try
{
var result = (CommandLineArgs)parser.Parse(args);
if (result != null)
{
return(result);
}
}
catch (CommandLineArgumentException ex)
{
using (var writer = LineWrappingTextWriter.ForConsoleError())
{
NativeMethods.AttachConsole(uint.MaxValue);
writer.WriteLine(GetParsingErrorMessage(ex));
writer.WriteLine();
}
return(new CommandLineArgs());
}
//
var options = new WriteUsageOptions()
{
IncludeAliasInDescription = true,
IncludeDefaultValueInDescription = true
};
if (NativeMethods.AttachConsole(uint.MaxValue))
{
parser.WriteUsageToConsole(options);
}
return(null);
}
public static ProgramArguments Create(string[] args)
{
// Using a static creation function for a command line arguments class is not required, but it's a convenient
// way to place all command-line related functionality in one place. To parse the arguments (eg. from the Main method)
// you then only need to call this function.
CommandLineParser parser = new CommandLineParser(typeof(ProgramArguments));
ProgramArguments result = null;
bool showFullHelp = false;
try
{
// The Parse function returns null only when the ArgumentParsed event handler cancelled parsing.
result = (ProgramArguments)parser.Parse(args);
showFullHelp = result.Help;
if (result.Help)
{
showFullHelp = false;
switch (result.Command)
{
case Command.Add:
Console.WriteLine("Help specific to Add command here.");
break;
case Command.Delete:
Console.WriteLine("Help specific to Delete command here.");
break;
case Command.Update:
Console.WriteLine("Help specific to Update command here.");
break;
default:
showFullHelp = true;
break;
}
}
}
catch (CommandLineArgumentException ex)
{
// We use the LineWrappingTextWriter to neatly wrap console output.
using (LineWrappingTextWriter writer = LineWrappingTextWriter.ForConsoleError())
{
// Tell the user what went wrong.
writer.WriteLine(ex.Message);
writer.WriteLine();
}
}
if (showFullHelp)
{
// If we got here, we should print usage information to the console.
// By default, aliases and default values are not included in the usage descriptions; for this sample, I do want to include them.
WriteUsageOptions options = new WriteUsageOptions()
{
IncludeDefaultValueInDescription = true, IncludeAliasInDescription = true
};
// WriteUsageToConsole automatically uses a LineWrappingTextWriter to properly word-wrap the text.
parser.WriteUsageToConsole(options);
}
return(result);
}
