/// <summary>
/// Scan the folder and instance all classes that dlls contain within them
/// </summary>
/// <param name="TargetFolder">Load in this folder for shared libraries / dlls</param>
/// <param name="SharedLibraryContains">any potential plugin to load must have this in the dll name</param>
/// <param name="ClassNameContains">only instance classes with this string somewhere in the same</param>
public void ScanFolder(string TargetFolder,
PluginFilterCheck CheckMe,
string SharedLibraryContains,
TargetClassLoadName CheckClassInfo,
string ClassNameContains)
{
var Targets = GetValidExternTargets(TargetFolder, CheckMe, SharedLibraryContains);
if (Targets.Count > 0)
{
if (CheckClassInfo == null)
{
foreach (string TargetSharedLib in Targets)
{
LoadedFileHandliers.AddRange(LoadAllPlugins(ClassNameContains, TargetSharedLib));
}
}
else
{
foreach (string TargetShareLib in Targets)
{
LoadedFileHandliers.AddRange(LoadAllPlugins(CheckClassInfo, TargetShareLib));
}
}
}
}
/// <summary>
/// get a list of Dlls / assemblies that match something to load
/// </summary>
/// <param name="TargetFolder">Check this folder</param>
/// <param name="FilterCheck">if set, defines a routine that returns true if file object is ok to procede with</param>
/// <param name="PluginStringContains">only valid if FilterCheck=null, FileObjects checked contain this string within their name</param>
/// <returns></returns>
private static List <string> GetValidExternTargets(string TargetFolder,
PluginFilterCheck FilterCheck,
string PluginStringContains
)
{
List <string> OkDlls = new List <string>();
if (string.IsNullOrEmpty(TargetFolder))
{
TargetFolder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
}
if (TargetFolder.Length > 2)
{
if (TargetFolder.StartsWith("\\", StringComparison.InvariantCultureIgnoreCase) == true)
{
if (TargetFolder.StartsWith("\\\\", StringComparison.InvariantCultureIgnoreCase) == false)
{
TargetFolder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + TargetFolder;
}
}
}
if (Directory.Exists(TargetFolder) == false)
{
throw new DirectoryNotFoundException(TargetFolder);
}
foreach (string sInfo in Directory.GetFiles(TargetFolder))
{
FileInfo Info = new FileInfo(sInfo);
if (FilterCheck == null)
{
if (string.IsNullOrEmpty(PluginStringContains))
{
OkDlls.Add(sInfo);
}
else
{
if (sInfo.Contains(PluginStringContains))
{
OkDlls.Add(sInfo);
}
}
}
else
{
if (FilterCheck(Info) == true)
{
OkDlls.Add(sInfo);
}
}
}
return(OkDlls);
}
