/// <summary>Creates the commandline representation from argv and a composer file</summary>
public CommandLine(string[] argv, ComposerFile composer)
{
using (composer)
{
Parse(argv, composer);
}
}
/// <summary>Returns the given module and a unique list of dependencies of a given module</summary>
private IEnumerable <string> DependenciesAndSelf(string dir, string module, HashSet <string> loaded)
{
var path = Paths.Compose(dir, module.Replace('/', Path.DirectorySeparatorChar));
yield return(path);
loaded.Add(module);
using (var composer = new ComposerFile(Paths.Compose(path, ComposerFile.NAME)))
{
foreach (var require in composer.Definitions.Require.Where(pair => pair.Key.Contains("/")))
{
if (loaded.Contains(require.Key))
{
continue;
}
foreach (var transitive in DependenciesAndSelf(dir, require.Key, loaded))
{
yield return(transitive);
}
}
}
}
/// <summary>Parses command line</summary>
private void Parse(string[] argv, ComposerFile composer)
{
var offset = 0;
for (var i = 0; i < argv.Length; i++)
{
if (aliases.ContainsKey(argv[i]))
{
command = Activator.CreateInstance(aliases[argv[i]]) as Command;
offset = ++i;
break;
}
else if (options.ContainsKey(argv[i]))
{
if (i >= argv.Length - 1)
{
throw new CannotExecute("Argument `" + argv[i] + "` requires a value");
}
options[argv[i]](this, argv[++i]);
offset = i + 1;
}
else if (flags.ContainsKey(argv[i]))
{
flags[argv[i]](this);
offset = i + 1;
}
else if (IsOption(argv[i]))
{
throw new CannotExecute("Unknown argument `" + argv[i] + "`");
}
else if (IsCommand(argv[i]))
{
var name = argv[i];
offset = ++i;
// Check builtin commands
var type = Type.GetType("Xp.Runners.Commands." + name.UpperCaseFirst());
if (null != type)
{
command = Activator.CreateInstance(type) as Command;
break;
}
// Check composer.json for scripts
try
{
if (composer.Definitions.Scripts.ContainsKey(name))
{
command = null;
executionModel = null;
config = null;
Parse(ArgsOf(composer.Definitions.Scripts[name]).Skip(1).ToArray(), ComposerFile.Empty);
arguments = arguments.Concat(argv.Skip(offset));
return;
}
}
catch (FormatException e)
{
Console.Error.WriteLine("Warning: {0}", e.Message);
}
// Otherwise, it's a plugin defined via `bin/xp.{org}.{slug}.{name}`
command = new Plugin(name);
break;
}
else if (!argv[i].EndsWith(".class.php") && !argv[i].EndsWith(".xar") && File.Exists(argv[i]))
{
command = new Script(argv[i]);
offset = i + 1;
break;
}
else
{
command = new Run();
offset = i;
break;
}
}
arguments = argv.Skip(offset);
}
