Initial release

engine/vendor/vst3sdk/public.sdk/source/main/macmain.cpp

@@ -0,0 +1,96 @@
+//-----------------------------------------------------------------------------
+// Project     : SDK Core
+// Version     : 1.0
+//
+// Category    : Common Base Classes
+// Filename    : public.sdk/source/main/macmain.cpp
+// Created by  : Steinberg, 01/2004
+// Description : Mac OS X Bundle Entry
+//
+//-----------------------------------------------------------------------------
+// This file is part of a Steinberg SDK. It is subject to the license terms
+// in the LICENSE file found in the top-level directory of this distribution
+// and at www.steinberg.net/sdklicenses.
+// No part of the SDK, including this file, may be copied, modified, propagated,
+// or distributed except according to the terms contained in the LICENSE file.
+//-----------------------------------------------------------------------------
+
+#include "pluginterfaces/base/fplatform.h"
+
+#ifndef __CF_USE_FRAMEWORK_INCLUDES__
+#define __CF_USE_FRAMEWORK_INCLUDES__ 1
+#endif
+
+#include <CoreFoundation/CoreFoundation.h>
+
+//------------------------------------------------------------------------
+CFBundleRef ghInst = nullptr;
+int bundleRefCounter = 0; // counting for bundleEntry/bundleExit pairs
+void* moduleHandle = nullptr;
+#define VST_MAX_PATH 2048
+char gPath[VST_MAX_PATH] = {0};
+
+//------------------------------------------------------------------------
+bool InitModule (); ///< must be provided by plug-in: called when the library is loaded
+bool DeinitModule (); ///< must be provided by plug-in: called when the library is unloaded
+
+//------------------------------------------------------------------------
+extern "C" {
+/** bundleEntry and bundleExit must be provided by the plug-in! */
+SMTG_EXPORT_SYMBOL bool bundleEntry (CFBundleRef);
+SMTG_EXPORT_SYMBOL bool bundleExit (void);
+}
+
+#include <vector>
+
+std::vector<CFBundleRef> gBundleRefs;
+
+//------------------------------------------------------------------------
+/** must be called from host right after loading bundle
+Note: this could be called more than one time! */
+bool bundleEntry (CFBundleRef ref)
+{
+	if (ref)
+	{
+		bundleRefCounter++;
+		CFRetain (ref);
+
+		// hold all bundle refs until plug-in is fully uninitialized
+		gBundleRefs.push_back (ref);
+
+		if (!moduleHandle)
+		{
+			ghInst = ref;
+			moduleHandle = ref;
+
+			// obtain the bundle path
+			CFURLRef tempURL = CFBundleCopyBundleURL (ref);
+			CFURLGetFileSystemRepresentation (tempURL, true, reinterpret_cast<UInt8*> (gPath), VST_MAX_PATH);
+			CFRelease (tempURL);
+		}
+
+		if (bundleRefCounter == 1)
+			return InitModule ();
+	}
+	return true;
+}
+
+//------------------------------------------------------------------------
+/** must be called from host right before unloading bundle
+Note: this could be called more than one time! */
+bool bundleExit (void)
+{
+	if (--bundleRefCounter == 0)
+	{
+		DeinitModule ();
+
+		// release the CFBundleRef's once all bundleExit clients called in
+		// there is no way to identify the proper CFBundleRef of the bundleExit call
+		for (size_t i = 0; i < gBundleRefs.size (); i++)
+			CFRelease (gBundleRefs[i]);
+		gBundleRefs.clear ();
+	}
+	else if (bundleRefCounter < 0)
+		return false;
+	return true;
+}