/// <summary>
/// Expose a plugin from a dll filename, if the dll is a valid plugin.
/// </summary>
private void ExposePlugin(string filename)
{
Assembly DLL = Assembly.LoadFile(filename);
string[] names = DLL.GetManifestResourceNames();
//ResourceSet set = new ResourceSet(names[0]);
string shortName = null;
foreach (Type type in DLL.GetExportedTypes())
{
if (typeof(IQuantSAPlugin).IsAssignableFrom(type)) // This class is a QuantSA plugin
{
IQuantSAPlugin plugin = Activator.CreateInstance(type) as IQuantSAPlugin;
shortName = plugin.GetShortName();
MyAddIn.plugins.Add(plugin);
}
}
if (shortName == null)
{
throw new Exception(Path.GetFileName(filename) + " is in the Plugins directory but is not a valid plugin.");
}
foreach (Type type in DLL.GetExportedTypes())
{
foreach (MemberInfo member in type.GetMembers())
{
QuantSAExcelFunctionAttribute attribute = member.GetCustomAttribute <QuantSAExcelFunctionAttribute>();
if (attribute != null) // We have found an excel exposed function.
{
if (!attribute.Category.Equals(shortName))
{
throw new Exception(attribute.Name + " in plugin " + shortName + " is not in the excel category " + shortName);
}
string[] parts = attribute.Name.Split('.');
if (!(parts.Length == 2 && parts[0].Equals(shortName)))
{
throw new Exception(attribute.Name + " in plugin " + shortName + "does not following the naming convention: " + shortName + ".FunctionName");
}
// TODO: Check that the category and naming are all acceptable
UpdateDelgatesAndAtribs((MethodInfo)member);
}
if (member.MemberType.Equals(MemberTypes.Method))
{
if (((MethodInfo)member).ReturnType.Equals(typeof(System.Drawing.Bitmap)))
{
Bitmap image = ((MethodInfo)member).Invoke(null, null) as Bitmap;
assemblyImageResources.Add(member.Name.Substring(4), image);
}
}
}
}
}
public void SetInstance(IQuantSAPlugin itself)
{
PluginConnection.instance = itself;
}
