diff -r c1ac266bd660 -r c84cd855ca10 core/NativeOwner.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/NativeOwner.cpp	Mon May 26 07:52:27 2008 +0000
@@ -0,0 +1,140 @@
+#include "NativeOwner.h"
+#include "ShareSys.h"
+#include "PluginSys.h"
+
+void CNativeOwner::SetMarkSerial(unsigned int serial)
+{
+	m_nMarkSerial = serial;
+}
+
+unsigned int CNativeOwner::GetMarkSerial()
+{
+	return m_nMarkSerial;
+}
+
+void CNativeOwner::AddDependent(CPlugin *pPlugin)
+{
+	m_Dependents.push_back(pPlugin);
+}
+
+void CNativeOwner::AddWeakRef(const WeakNative & ref)
+{
+	m_WeakRefs.push_back(ref);
+}
+
+void CNativeOwner::AddNatives(const sp_nativeinfo_t *natives)
+{
+	NativeEntry *pEntry;
+
+	for (unsigned int i = 0; natives[i].func != NULL && natives[i].name != NULL; i++)
+	{
+		if ((pEntry = g_ShareSys.AddNativeToCache(this, &natives[i])) == NULL)
+		{
+			continue;
+		}
+
+		m_Natives.push_back(pEntry);
+	}
+}
+
+void CNativeOwner::PropogateMarkSerial(unsigned int serial)
+{
+	CNativeOwner *pOwner;
+	List<CPlugin *>::iterator iter;
+
+	for (iter = m_Dependents.begin();
+		 iter != m_Dependents.end();
+		 iter++)
+	{
+		pOwner = (*iter);
+		pOwner->SetMarkSerial(serial);
+	}
+}
+
+void CNativeOwner::UnbindWeakRef(const WeakNative & ref)
+{
+	sp_native_t *native;
+	IPluginContext *pContext;
+
+	pContext = ref.pl->GetBaseContext();
+	if ((pContext->GetNativeByIndex(ref.idx, &native)) == SP_ERROR_NONE)
+	{
+		/* If there is no reference, the native must be unbound */
+		if (ref.entry == NULL)
+		{
+			native->status = SP_NATIVE_UNBOUND;
+			native->pfn = NULL;
+		}
+		/* If we've cached a reference, it's a core native we can 
+		 * rebind back to its original (this was a replacement).
+		 */
+		else
+		{
+			native->pfn = ref.entry->func;
+		}
+	}
+}
+
+void CNativeOwner::DropEverything()
+{
+	NativeEntry *pEntry;
+	List<WeakNative>::iterator iter;
+	List<NativeEntry *>::iterator ntv_iter;
+
+	/* Unbind and remove all weak references to us */
+	iter = m_WeakRefs.begin();
+	while (iter != m_WeakRefs.end())
+	{
+		UnbindWeakRef((*iter));
+		iter = m_WeakRefs.erase(iter);
+	}
+
+	/* Unmark our replacement natives */
+	ntv_iter = m_ReplacedNatives.begin();
+	while (ntv_iter != m_ReplacedNatives.end())
+	{
+		pEntry = (*ntv_iter);
+		pEntry->replacement.func = NULL;
+		pEntry->replacement.owner = NULL;
+		ntv_iter = m_ReplacedNatives.erase(ntv_iter);
+	}
+
+	/* Strip all of our natives from the cache */
+	ntv_iter = m_Natives.begin();
+	while (ntv_iter != m_Natives.end())
+	{
+		g_ShareSys.ClearNativeFromCache(this, (*ntv_iter)->name);
+		ntv_iter = m_Natives.erase(ntv_iter);
+	}
+}
+
+void CNativeOwner::DropWeakRefsTo(CPlugin *pPlugin)
+{
+	List<WeakNative>::iterator iter;
+
+	iter = m_WeakRefs.begin();
+	while (iter != m_WeakRefs.end())
+	{
+		WeakNative & ref = (*iter);
+
+		if (ref.pl == pPlugin)
+		{
+			iter = m_WeakRefs.erase(iter);
+		}
+		else
+		{
+			iter++;
+		}
+	}
+}
+
+void CNativeOwner::DropRefsTo(CPlugin *pPlugin)
+{
+	m_Dependents.remove(pPlugin);
+	DropWeakRefsTo(pPlugin);
+}
+
+void CNativeOwner::AddReplacedNative(NativeEntry *pEntry)
+{
+	m_ReplacedNatives.push_back(pEntry);
+}