private void CheckDll(FileInfo fi)
{
Logger.Debug("CheckDll(" + fi.FullName + ")");
Assembly plugIn;
try
{
plugIn = Assembly.LoadFrom(fi.FullName);
}
catch (BadImageFormatException)
{
// Swallow this because we could just step over an unmanaged dll
return;
}
if (plugIn == null)
{
return;
}
try
{
foreach (Type t in plugIn.GetTypes())
{
// Is it a "generic" plugin?
if (t.IsDefined(typeof(PluginAttribute), true))
{
PluginAttribute attr =
(PluginAttribute)Attribute.GetCustomAttribute(t, typeof(PluginAttribute), true);
Logger.Debug(" Class " + t.Name + " is attributed with [Plugin]");
MethodInfo miStart = t.GetMethod("Start", BindingFlags.Instance | BindingFlags.Public);
if (miStart == null)
{
Logger.Warn("Class " + t.Name + " in " + fi.Name + " seems suitable as a plugin but is missing the Start() method");
}
MethodInfo miEnd = t.GetMethod("End", BindingFlags.Instance | BindingFlags.Public);
if (miStart == null)
{
Logger.Warn("Class " + t.Name + " in " + fi.Name + " seems suitable as a plugin but is missing the End() method");
}
if (miStart != null && miEnd != null)
{
// We have a class
ConstructorInfo ctor = t.GetConstructor(Type.EmptyTypes);
if (ctor != null)
{
object instance = ctor.Invoke(null);
MethodInfo mi = t.GetMethod("Start");
_pluginInstanceList.Add(instance);
object ret = mi.Invoke(instance, null);
// TODO: Do something with the return value
}
else
{
Logger.Warn("Class " + t.Name + " in " + fi.Name + " is missing a parameterless constructor");
}
}
}
// Or is it an attributed CommandPlugin ?
else if (t.IsDefined(typeof(CommandPluginAttribute), true))
{
CommandPluginAttribute attr =
(CommandPluginAttribute)Attribute.GetCustomAttribute(t, typeof(CommandPluginAttribute), true);
Logger.Debug(" Class " + t.Name + " is attributed with [CommandPlugin(ID=" + attr.ID + ", Name=\"" +
attr.Name + "\")]");
if (InheritsFrom(t, typeof(CommandData)))
{
// Register the command plugin
string name;
BaseBitmap bmp;
GetPluginDescription(t, attr, out name, out bmp);
// Fallback help text
string helpText = attr.HelpText;
if (string.IsNullOrEmpty(helpText))
{
helpText = "Execute the " + name + " command.";
}
ConstructorInfo ctor = t.GetConstructor(Type.EmptyTypes);
if (ctor != null)
{
CommandData commandData = (CommandData)ctor.Invoke(null);
C4dApi.RegisterCommandPlugin(attr.ID, name, 0, bmp, helpText, commandData);
}
else
{
Logger.Warn("Class " + t.Name + " in " + fi.Name + " is missing a parameterless constructor");
}
}
else
{
Logger.Warn(" Class " + t.Name + " in " + fi.Name +
" is attributed with [CommandPlugin] but does not inherit from CommandData");
}
}
// Or is it an attributed ObjectPlugin ?
else if (t.IsDefined(typeof(ObjectPluginAttribute), true))
{
ObjectPluginAttribute attr = (ObjectPluginAttribute)Attribute.GetCustomAttribute(t, typeof(ObjectPluginAttribute), true);
Logger.Debug(" Class " + t.Name + " is attributed with [ObjectPlugin(ID=" + attr.ID + ", Name=\"" +
attr.Name + "\")]");
if (InheritsFrom(t, typeof(ObjectDataM)))
{
// Register the object plugin
string name;
BaseBitmap bmp;
GetPluginDescription(t, attr, out name, out bmp);
ConstructorInfo ctor = t.GetConstructor(Type.EmptyTypes);
if (ctor != null)
{
PluginAllocator pa = new PluginAllocator(ctor);
NodeDataAllocator nda = pa.Allocate;
_nodeAllocatorList.Add(nda);
C4dApi.RegisterObjectPlugin(attr.ID, name, attr.Info, nda, "obase", bmp, 0);
}
else
{
Logger.Warn("Class " + t.Name + " in " + fi.Name + " is missing a parameterless constructor");
}
}
else
{
Logger.Warn(" Class " + t.Name + " in " + fi.Name +
" is attributed with [ObjectPlugin] but does not inherit from ObjectDataM");
}
}
// Or is it an attributed TagPlugin ?
else if (t.IsDefined(typeof(TagPluginAttribute), true))
{
TagPluginAttribute attr = (TagPluginAttribute)Attribute.GetCustomAttribute(t, typeof(TagPluginAttribute), true);
Logger.Debug(" Class " + t.Name + " is attributed with [TagPlugin(ID=" + attr.ID + ", Name=\"" +
attr.Name + "\")]");
if (InheritsFrom(t, typeof(TagDataM)))
{
// Register the tag plugin
string name;
BaseBitmap bmp;
GetPluginDescription(t, attr, out name, out bmp);
ConstructorInfo ctor = t.GetConstructor(Type.EmptyTypes);
if (ctor != null)
{
PluginAllocator pa = new PluginAllocator(ctor);
NodeDataAllocator nda = pa.Allocate;
_nodeAllocatorList.Add(nda);
// C4dApi.RegisterTagPlugin(attr.ID, name, attr.Info, nda, "tbase", bmp, 0);
C4dApi.RegisterTagPlugin(attr.ID, name, attr.Info, nda, "", bmp, 0);
}
else
{
Logger.Warn("Class " + t.Name + " in " + fi.Name + " is missing a parameterless constructor");
}
}
else
{
Logger.Warn(" Class " + t.Name + " in " + fi.Name +
" is attributed with [TagPlugin] but does not inherit from TagDataM");
}
}
// Or is it an attributed SceneSaverPlugin?
else if (t.IsDefined(typeof(SceneSaverPluginAttribute), true))
{
SceneSaverPluginAttribute attr =
(SceneSaverPluginAttribute)
Attribute.GetCustomAttribute(t, typeof(SceneSaverPluginAttribute), true);
Logger.Debug(" Class " + t.Name + " is attributed with [SceneSaverPlugin(ID=" + attr.ID +
", Name=\"" +
attr.Name + "\")]");
if (InheritsFrom(t, typeof(SceneSaverData)))
{
// Register the object plugin
string name;
BaseBitmap bmp;
GetPluginDescription(t, attr, out name, out bmp);
ConstructorInfo ctor = t.GetConstructor(Type.EmptyTypes);
if (ctor != null)
{
PluginAllocator pa = new PluginAllocator(ctor);
NodeDataAllocator nda = pa.Allocate;
_nodeAllocatorList.Add(nda);
C4dApi.RegisterSceneSaverPlugin(attr.ID, name, attr.Info, nda, "obase", attr.Suffix);
}
else
{
Logger.Warn("Class " + t.Name + " in " + fi.Name + " is missing a parameterless constructor");
}
}
else
{
Logger.Warn(" Class " + t.Name + " in " + fi.Name +
" is attributed with [ObjectPlugin] but does not inherit from ObjectData");
}
}
}
}
catch (System.TypeLoadException tlx)
{
Logger.Warn(" EXCEPTION while attempting to check " + plugIn.CodeBase + " for managed C4D PlugIns. " + tlx);
throw;
}
}