private static void InitDelegates()
{
Contract.Assert(null != ZLibStreamHandle.zlibLibraryHandle);
Contract.Assert(!ZLibStreamHandle.zlibLibraryHandle.IsInvalid);
deflateInit2_Delegate = CreateDelegate <DeflateInit2_Delegate>("deflateInit2_");
deflateDelegate = CreateDelegate <DeflateDelegate>("deflate");
deflateEndDelegate = CreateDelegate <DeflateEndDelegate>("deflateEnd");
inflateInit2_Delegate = CreateDelegate <InflateInit2_Delegate>("inflateInit2_");
inflateDelegate = CreateDelegate <InflateDelegate>("inflate");
inflateEndDelegate = CreateDelegate <InflateEndDelegate>("inflateEnd");
zlibCompileFlagsDelegate = CreateDelegate <ZlibCompileFlagsDelegate>("zlibCompileFlags");
#if !SILVERLIGHT
RuntimeHelpers.PrepareDelegate(deflateInit2_Delegate);
RuntimeHelpers.PrepareDelegate(deflateDelegate);
RuntimeHelpers.PrepareDelegate(deflateEndDelegate);
RuntimeHelpers.PrepareDelegate(inflateInit2_Delegate);
RuntimeHelpers.PrepareDelegate(inflateDelegate);
RuntimeHelpers.PrepareDelegate(inflateEndDelegate);
RuntimeHelpers.PrepareDelegate(zlibCompileFlagsDelegate);
#endif // !SILVERLIGHT
}
internal Deflater(object deflaterInstance)
{
Type type = deflaterInstance.GetType();
setLevelMethod = (SetLevelDelegate)Delegate.CreateDelegate(
typeof(SetLevelDelegate),
deflaterInstance,
type.GetMethod("SetLevel", new Type[] { typeof(int) }));
setInputMethod = (SetInputDelegate)Delegate.CreateDelegate(
typeof(SetInputDelegate),
deflaterInstance,
type.GetMethod("SetInput", new Type[] { typeof(byte[]), typeof(int), typeof(int) }));
finishMethod = (FinishDelegate)Delegate.CreateDelegate(
typeof(FinishDelegate),
deflaterInstance,
type.GetMethod("Finish", Type.EmptyTypes));
getIsFinishedMethod = (GetIsFinishedDelegate)Delegate.CreateDelegate(
typeof(GetIsFinishedDelegate),
deflaterInstance,
type.GetMethod("get_IsFinished", Type.EmptyTypes));
deflateMethod = (DeflateDelegate)Delegate.CreateDelegate(
typeof(DeflateDelegate),
deflaterInstance,
type.GetMethod("Deflate", new Type[] { typeof(byte[]) }));
}
internal Deflater(object deflaterInstance)
{
Type type = deflaterInstance.GetType();
setLevelMethod = (SetLevelDelegate)Delegate.CreateDelegate(
typeof(SetLevelDelegate),
deflaterInstance,
type.GetMethod("SetLevel", new Type[] { typeof(int) }));
setInputMethod = (SetInputDelegate)Delegate.CreateDelegate(
typeof(SetInputDelegate),
deflaterInstance,
type.GetMethod("SetInput", new Type[] { typeof(byte[]), typeof(int), typeof(int) }));
finishMethod = (FinishDelegate)Delegate.CreateDelegate(
typeof(FinishDelegate),
deflaterInstance,
type.GetMethod("Finish", Type.EmptyTypes));
getIsFinishedMethod = (GetIsFinishedDelegate)Delegate.CreateDelegate(
typeof(GetIsFinishedDelegate),
deflaterInstance,
type.GetMethod("get_IsFinished", Type.EmptyTypes));
deflateMethod = (DeflateDelegate)Delegate.CreateDelegate(
typeof(DeflateDelegate),
deflaterInstance,
type.GetMethod("Deflate", new Type[] { typeof(byte[]) }));
}
