blob: b58e18ac4b0c1f3be5fc615ea917aa520a9b48fc [file] [log] [blame]
/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef Module_h
#define Module_h
#include <wtf/Noncopyable.h>
#include <wtf/text/WTFString.h>
#if PLATFORM(MAC)
#include <wtf/RetainPtr.h>
#endif
#if PLATFORM(QT)
#include <QLibrary>
#endif
#if PLATFORM(GTK)
typedef struct _GModule GModule;
#endif
namespace WebKit {
class Module {
WTF_MAKE_NONCOPYABLE(Module);
public:
Module(const String& path);
~Module();
bool load();
// Note: On Mac this leaks the CFBundle to avoid crashes when a bundle is unloaded and there are
// live Objective-C objects whose methods come from that bundle.
void unload();
template<typename FunctionType> FunctionType functionPointer(const char* functionName) const;
#if PLATFORM(MAC) && !defined(__LP64__)
CFBundleRefNum bundleResourceMap();
#endif
private:
void* platformFunctionPointer(const char* functionName) const;
String m_path;
#if PLATFORM(MAC)
RetainPtr<CFBundleRef> m_bundle;
#if !defined(__LP64__)
CFBundleRefNum m_bundleResourceMap;
#endif
#elif PLATFORM(WIN)
HMODULE m_module;
#elif PLATFORM(QT)
QLibrary m_lib;
#elif PLATFORM(GTK)
GModule* m_handle;
#endif
};
template<typename FunctionType> FunctionType Module::functionPointer(const char* functionName) const
{
return reinterpret_cast<FunctionType>(platformFunctionPointer(functionName));
}
}
#endif