public void CanGetDirectoryForFilePath()
{
// Given, When
FilePath path = new FilePath("temp/hello.txt");
DirectoryPath directory = path.GetDirectory();
// Then
Assert.AreEqual("temp", directory.FullPath);
}
public static FilePath Resolve(DirectoryPath source, FilePath target)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
return(Resolve(source, target.GetDirectory()).GetFilePath(target.GetFilename()));
}
public void CanGetDirectoryForFilePathInRoot()
{
// Given, When
FilePath path = new FilePath("hello.txt");
DirectoryPath directory = path.GetDirectory();
// Then
Assert.AreEqual(string.Empty, directory.FullPath);
}
private int Run(string[] args)
{
AssemblyInformationalVersionAttribute versionAttribute
= Attribute.GetCustomAttribute(typeof(Program).Assembly, typeof(AssemblyInformationalVersionAttribute)) as AssemblyInformationalVersionAttribute;
Console.WriteLine("Wyam version {0}", versionAttribute == null ? "unknown" : versionAttribute.InformationalVersion);
// Parse the command line
bool hasParseArgsErrors;
if (!ParseArgs(args, out hasParseArgsErrors))
{
return hasParseArgsErrors ? (int)ExitCode.CommandLineError : (int)ExitCode.Normal;
}
// It's not a serious console app unless there's some ASCII art
OutputLogo();
// Fix the root folder and other files
DirectoryPath currentDirectory = Environment.CurrentDirectory;
_rootPath = _rootPath == null ? currentDirectory : currentDirectory.Combine(_rootPath);
_logFilePath = _logFilePath == null ? null : _rootPath.CombineFile(_logFilePath);
_configFilePath = _rootPath.CombineFile(_configFilePath ?? "config.wyam");
// Get the engine
Engine engine = GetEngine();
if (engine == null)
{
return (int)ExitCode.CommandLineError;
}
// Pause
if (_pause)
{
Trace.Information("Pause requested, hit any key to continue");
Console.ReadKey();
}
// Configure and execute
if (!Configure(engine))
{
return (int)ExitCode.ConfigurationError;
}
if (_verifyConfig)
{
Trace.Information("No errors. Exiting.");
return (int)ExitCode.Normal;
}
Console.WriteLine($"Root path:{Environment.NewLine} {engine.FileSystem.RootPath}");
Console.WriteLine($"Input path(s):{Environment.NewLine} {string.Join(Environment.NewLine + " ", engine.FileSystem.InputPaths)}");
Console.WriteLine($"Output path:{Environment.NewLine} {engine.FileSystem.OutputPath}");
if (!Execute(engine))
{
return (int)ExitCode.ExecutionError;
}
bool messagePump = false;
// Start the preview server
IDisposable previewServer = null;
if (_preview)
{
messagePump = true;
try
{
var rootPath = _previewRoot == null ? engine.FileSystem.GetOutputDirectory().Path.FullPath : _previewRoot.FullPath;
Trace.Information("Preview server listening on port {0} and serving from path {1}", _previewPort, rootPath);
previewServer = Preview(engine, rootPath);
}
catch (Exception ex)
{
Trace.Critical("Error while running preview server: {0}", ex.Message);
}
}
// Start the watchers
IDisposable inputFolderWatcher = null;
IDisposable configFileWatcher = null;
if (_watch)
{
messagePump = true;
Trace.Information("Watching paths(s) {0}", string.Join(", ", engine.FileSystem.InputPaths));
inputFolderWatcher = new ActionFileSystemWatcher(engine.FileSystem.GetOutputDirectory().Path,
engine.FileSystem.GetInputDirectories().Select(x => x.Path), true, "*.*", path =>
{
_changedFiles.Enqueue(path);
_messageEvent.Set();
});
if (_configFilePath != null)
{
Trace.Information("Watching configuration file {0}", _configFilePath);
Engine closureEngine = engine;
configFileWatcher = new ActionFileSystemWatcher(engine.FileSystem.GetOutputDirectory().Path,
new[] { _configFilePath.GetDirectory() }, false, _configFilePath.GetFilename().FullPath, path =>
{
if (closureEngine.FileSystem.PathComparer.Equals((FilePath)path, _configFilePath))
{
_newEngine.Set();
_messageEvent.Set();
}
});
}
}
// Start the message pump if an async process is running
ExitCode exitCode = ExitCode.Normal;
if (messagePump)
{
// Start the key listening thread
Trace.Information("Hit any key to exit");
var thread = new Thread(() =>
{
Console.ReadKey();
_exit.Set();
_messageEvent.Set();
})
{
IsBackground = true
};
thread.Start();
// Wait for activity
while (true)
{
_messageEvent.WaitOne(); // Blocks the current thread until a signal
if (_exit)
{
break;
}
// See if we need a new engine
if (_newEngine)
{
// Get a new engine
Trace.Information("Configuration file {0} has changed, re-running", _configFilePath);
engine.Dispose();
engine = GetEngine();
// Configure and execute
if (!Configure(engine))
{
exitCode = ExitCode.ConfigurationError;
break;
}
Console.WriteLine($"Root path:{Environment.NewLine} {engine.FileSystem.RootPath}");
Console.WriteLine($"Input path(s):{Environment.NewLine} {string.Join(Environment.NewLine + " ", engine.FileSystem.InputPaths)}");
Console.WriteLine($"Root path:{Environment.NewLine} {engine.FileSystem.OutputPath}");
if (!Execute(engine))
{
exitCode = ExitCode.ExecutionError;
break;
}
// Clear the changed files since we just re-ran
string changedFile;
while (_changedFiles.TryDequeue(out changedFile))
{
}
_newEngine.Unset();
}
else
{
// Execute if files have changed
HashSet<string> changedFiles = new HashSet<string>();
string changedFile;
while (_changedFiles.TryDequeue(out changedFile))
{
if (changedFiles.Add(changedFile))
{
Trace.Verbose("{0} has changed", changedFile);
}
}
if (changedFiles.Count > 0)
{
Trace.Information("{0} files have changed, re-executing", changedFiles.Count);
if (!Execute(engine))
{
exitCode = ExitCode.ExecutionError;
break;
}
}
}
// Check one more time for exit
if (_exit)
{
break;
}
Trace.Information("Hit any key to exit");
_messageEvent.Reset();
}
// Shutdown
Trace.Information("Shutting down");
engine.Dispose();
inputFolderWatcher?.Dispose();
configFileWatcher?.Dispose();
previewServer?.Dispose();
}
return (int)exitCode;
}
