protected override ExitCode RunCommand(Preprocessor preprocessor)
{
// Get the standard input stream
_configOptions.Stdin = StandardInputReader.Read();
// Fix the root folder and other files
DirectoryPath currentDirectory = Environment.CurrentDirectory;
_configOptions.RootPath = _configOptions.RootPath == null ? currentDirectory : currentDirectory.Combine(_configOptions.RootPath);
_logFilePath = _logFilePath == null ? null : _configOptions.RootPath.CombineFile(_logFilePath);
_configOptions.ConfigFilePath = _configOptions.RootPath.CombineFile(_configOptions.ConfigFilePath ?? "config.wyam");
// Set up the log file
if (_logFilePath != null)
{
// Delete an exiting log file if one exists
if (File.Exists(_logFilePath.FullPath))
{
try
{
File.Delete(_logFilePath.FullPath);
}
catch (Exception)
{
}
}
Trace.AddListener(new SimpleFileTraceListener(_logFilePath.FullPath));
}
// Get the engine and configurator
EngineManager engineManager = EngineManager.Get(preprocessor, _configOptions);
if (engineManager == null)
{
return(ExitCode.CommandLineError);
}
// Configure and execute
if (!engineManager.Configure())
{
return(ExitCode.ConfigurationError);
}
if (_verifyConfig)
{
Trace.Information("No errors. Exiting.");
return(ExitCode.Normal);
}
TraceEnviornment(engineManager);
if (!engineManager.Execute())
{
return(ExitCode.ExecutionError);
}
bool messagePump = false;
// Start the preview server
Server previewServer = null;
if (_preview)
{
messagePump = true;
DirectoryPath previewPath = _previewRoot == null
? engineManager.Engine.FileSystem.GetOutputDirectory().Path
: engineManager.Engine.FileSystem.GetOutputDirectory(_previewRoot).Path;
previewServer = PreviewServer.Start(previewPath, _previewPort, _previewForceExtension, _previewVirtualDirectory, _watch && !_noReload, _contentTypes);
}
// Start the watchers
IDisposable inputFolderWatcher = null;
IDisposable configFileWatcher = null;
if (_watch)
{
messagePump = true;
Trace.Information("Watching paths(s) {0}", string.Join(", ", engineManager.Engine.FileSystem.InputPaths));
inputFolderWatcher = new ActionFileSystemWatcher(
engineManager.Engine.FileSystem.GetOutputDirectory().Path,
engineManager.Engine.FileSystem.GetInputDirectories().Select(x => x.Path),
true,
"*.*",
path =>
{
_changedFiles.Enqueue(path);
_messageEvent.Set();
});
if (_configOptions.ConfigFilePath != null)
{
Trace.Information("Watching configuration file {0}", _configOptions.ConfigFilePath);
configFileWatcher = new ActionFileSystemWatcher(
engineManager.Engine.FileSystem.GetOutputDirectory().Path,
new[] { _configOptions.ConfigFilePath.Directory },
false,
_configOptions.ConfigFilePath.FileName.FullPath,
path =>
{
FilePath filePath = new FilePath(path);
if (_configOptions.ConfigFilePath.Equals(filePath))
{
_newEngine.Set();
_messageEvent.Set();
}
});
}
}
// Start the message pump if an async process is running
ExitCode exitCode = ExitCode.Normal;
if (messagePump)
{
// Only wait for a key if console input has not been redirected, otherwise it's on the caller to exit
if (!Console.IsInputRedirected)
{
// Start the key listening thread
Thread thread = new Thread(() =>
{
Trace.Information("Hit Ctrl-C to exit");
Console.TreatControlCAsInput = true;
while (true)
{
// Would have prefered to use Console.CancelKeyPress, but that bubbles up to calling batch files
// The (ConsoleKey)3 check is to support a bug in VS Code: https://github.com/Microsoft/vscode/issues/9347
ConsoleKeyInfo consoleKey = Console.ReadKey(true);
if (consoleKey.Key == (ConsoleKey)3 || (consoleKey.Key == ConsoleKey.C && (consoleKey.Modifiers & ConsoleModifiers.Control) != 0))
{
_exit.Set();
_messageEvent.Set();
break;
}
}
})
{
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", _configOptions.ConfigFilePath);
engineManager.Dispose();
engineManager = EngineManager.Get(preprocessor, _configOptions);
// Configure and execute
if (!engineManager.Configure())
{
exitCode = ExitCode.ConfigurationError;
break;
}
TraceEnviornment(engineManager);
if (!engineManager.Execute())
{
exitCode = ExitCode.ExecutionError;
}
// 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 (!engineManager.Execute())
{
exitCode = ExitCode.ExecutionError;
}
previewServer?.TriggerReload();
}
}
// Check one more time for exit
if (_exit)
{
break;
}
Trace.Information("Hit Ctrl-C to exit");
_messageEvent.Reset();
}
// Shutdown
Trace.Information("Shutting down");
engineManager.Dispose();
inputFolderWatcher?.Dispose();
configFileWatcher?.Dispose();
previewServer?.Dispose();
}
return(exitCode);
}
protected override ExitCode RunCommand(Preprocessor preprocessor)
{
// Get the standard input stream
_configOptions.Stdin = StandardInputReader.Read();
// Fix the root folder and other files
DirectoryPath currentDirectory = Environment.CurrentDirectory;
_configOptions.RootPath = _configOptions.RootPath == null ? currentDirectory : currentDirectory.Combine(_configOptions.RootPath);
_logFilePath = _logFilePath == null ? null : _configOptions.RootPath.CombineFile(_logFilePath);
_configOptions.ConfigFilePath = _configOptions.RootPath.CombineFile(_configOptions.ConfigFilePath ?? "config.wyam");
// Set up the log file
if (_logFilePath != null)
{
Trace.AddListener(new SimpleFileTraceListener(_logFilePath.FullPath));
}
// Get the engine and configurator
EngineManager engineManager = EngineManager.Get(preprocessor, _configOptions);
if (engineManager == null)
{
return(ExitCode.CommandLineError);
}
// Configure and execute
if (!engineManager.Configure())
{
return(ExitCode.ConfigurationError);
}
if (_verifyConfig)
{
Trace.Information("No errors. Exiting.");
return(ExitCode.Normal);
}
Trace.Information($"Root path:{Environment.NewLine} {engineManager.Engine.FileSystem.RootPath}");
Trace.Information($"Input path(s):{Environment.NewLine} {string.Join(Environment.NewLine + " ", engineManager.Engine.FileSystem.InputPaths)}");
Trace.Information($"Output path:{Environment.NewLine} {engineManager.Engine.FileSystem.OutputPath}");
Trace.Information($"Settings:{Environment.NewLine} {string.Join(Environment.NewLine + " ", engineManager.Engine.Settings.Select(x => $"{x.Key}: {x.Value?.ToString() ?? "null"}"))}");
if (!engineManager.Execute())
{
return(ExitCode.ExecutionError);
}
bool messagePump = false;
// Start the preview server
Server previewServer = null;
if (_preview)
{
messagePump = true;
DirectoryPath previewPath = _previewRoot == null
? engineManager.Engine.FileSystem.GetOutputDirectory().Path
: engineManager.Engine.FileSystem.GetOutputDirectory(_previewRoot).Path;
previewServer = PreviewServer.Start(previewPath, _previewPort, _previewForceExtension, _previewVirtualDirectory, _watch && !_noReload);
}
// Start the watchers
IDisposable inputFolderWatcher = null;
IDisposable configFileWatcher = null;
if (_watch)
{
messagePump = true;
Trace.Information("Watching paths(s) {0}", string.Join(", ", engineManager.Engine.FileSystem.InputPaths));
inputFolderWatcher = new ActionFileSystemWatcher(
engineManager.Engine.FileSystem.GetOutputDirectory().Path,
engineManager.Engine.FileSystem.GetInputDirectories().Select(x => x.Path),
true,
"*.*",
path =>
{
_changedFiles.Enqueue(path);
_messageEvent.Set();
});
if (_configOptions.ConfigFilePath != null)
{
Trace.Information("Watching configuration file {0}", _configOptions.ConfigFilePath);
configFileWatcher = new ActionFileSystemWatcher(
engineManager.Engine.FileSystem.GetOutputDirectory().Path,
new[] { _configOptions.ConfigFilePath.Directory },
false,
_configOptions.ConfigFilePath.FileName.FullPath,
path =>
{
FilePath filePath = new FilePath(path);
if (_configOptions.ConfigFilePath.Equals(filePath))
{
_newEngine.Set();
_messageEvent.Set();
}
});
}
}
// Start the message pump if an async process is running
ExitCode exitCode = ExitCode.Normal;
if (messagePump)
{
// Only wait for a key if console input has not been redirected, otherwise it's on the caller to exit
if (!Console.IsInputRedirected)
{
// Start the key listening thread
Thread thread = new Thread(() =>
{
Trace.Information("Hit any key to exit");
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", _configOptions.ConfigFilePath);
engineManager.Dispose();
engineManager = EngineManager.Get(preprocessor, _configOptions);
// Configure and execute
if (!engineManager.Configure())
{
exitCode = ExitCode.ConfigurationError;
break;
}
Console.WriteLine($"Root path:{Environment.NewLine} {engineManager.Engine.FileSystem.RootPath}");
Console.WriteLine($"Input path(s):{Environment.NewLine} {string.Join(Environment.NewLine + " ", engineManager.Engine.FileSystem.InputPaths)}");
Console.WriteLine($"Root path:{Environment.NewLine} {engineManager.Engine.FileSystem.OutputPath}");
if (!engineManager.Execute())
{
exitCode = ExitCode.ExecutionError;
}
// 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 (!engineManager.Execute())
{
exitCode = ExitCode.ExecutionError;
}
previewServer?.TriggerReload();
}
}
// Check one more time for exit
if (_exit)
{
break;
}
Trace.Information("Hit any key to exit");
_messageEvent.Reset();
}
// Shutdown
Trace.Information("Shutting down");
engineManager.Dispose();
inputFolderWatcher?.Dispose();
configFileWatcher?.Dispose();
previewServer?.Dispose();
}
return(exitCode);
}