public static IGrepEngine GetReplaceEngine(string fileName, GrepEngineInitParams param, FileFilter filter)
{
Debug.Assert(param != null);
Debug.Assert(filter != null);
LoadPlugins();
string fileExtension = Path.GetExtension(fileName).ToLower().TrimStart('.');
if (fileTypeEngines.ContainsKey(fileExtension) && !fileTypeEngines[fileExtension].IsSearchOnly)
{
IGrepEngine engine = fileTypeEngines[fileExtension].CreateEngine();
if (engine != null && engine.Initialize(param, filter))
{
loadedEngines.Add(engine);
return(engine);
}
else
{
failedEngines[engine.GetType().Name] = "Failed to initialize the plugin. See error log for details.";
return(GetPlainTextEngine(fileExtension, param, filter));
}
}
else
{
return(GetPlainTextEngine(fileExtension, param, filter));
}
}
public static IGrepEngine GetSearchEngine(string fileName, GrepEngineInitParams param, FileFilter filter, SearchType searchType)
{
Debug.Assert(param != null);
Debug.Assert(filter != null);
LoadPlugins();
string fileExtension = Path.GetExtension(fileName).ToLower().TrimStart('.');
lock (lockObj)
{
if (searchType == SearchType.Hex)
{
return(GetHexEngine(param, filter));
}
IGrepEngine poolEngine = FetchFromPool(fileExtension);
if (poolEngine != null)
{
poolEngine.Initialize(param, filter);
return(poolEngine);
}
if (ArchiveDirectory.Extensions.Contains(fileExtension))
{
return(GetArchiveEngine(fileExtension, param, filter));
}
if (fileTypeEngines.ContainsKey(fileExtension))
{
IGrepEngine engine = fileTypeEngines[fileExtension].CreateEngine();
if (engine != null && engine.Initialize(param, filter))
{
loadedEngines.Add(engine);
logger.Debug(string.Format("Using plugin: {0} for extension {1}", engine.ToString(), fileExtension));
return(engine);
}
else
{
logger.Debug(string.Format("File type engines failed to initialize: {0}, using plainTextEngine", fileExtension));
failedEngines[engine.GetType().Name] = "Failed to initialize the plugin. See error log for details.";
return(GetPlainTextEngine(fileExtension, param, filter));
}
}
else
{
logger.Debug(string.Format("File type engines has no key for: {0}, using plainTextEngine", fileExtension));
return(GetPlainTextEngine(fileExtension, param, filter));
}
}
}
private static IGrepEngine GetPlainTextEngine(string fileExtension, GrepEngineInitParams param, FileFilter filter)
{
if (!poolKeys.ContainsKey(fileExtension))
{
poolKeys.Add(fileExtension, "GrepEnginePlainText");
}
IGrepEngine poolEngine = FetchFromPool(fileExtension);
if (poolEngine != null)
{
poolEngine.Initialize(param, filter);
return(poolEngine);
}
IGrepEngine engine = new GrepEnginePlainText();
loadedEngines.Add(engine);
engine.Initialize(param, filter);
return(engine);
}