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/*
* 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 NPVariantData_h
#define NPVariantData_h
#if ENABLE(PLUGIN_PROCESS)
#include <wtf/text/CString.h>
namespace CoreIPC {
class ArgumentDecoder;
class ArgumentEncoder;
}
namespace WebKit {
// The CoreIPC representation of an NPVariant.
class NPVariantData {
public:
enum Type {
Void,
Null,
Bool,
Int32,
Double,
String,
LocalNPObjectID,
RemoteNPObjectID,
};
NPVariantData();
static NPVariantData makeVoid();
static NPVariantData makeNull();
static NPVariantData makeBool(bool value);
static NPVariantData makeInt32(int32_t value);
static NPVariantData makeDouble(double value);
static NPVariantData makeString(const char* string, unsigned length);
static NPVariantData makeLocalNPObjectID(uint64_t value);
static NPVariantData makeRemoteNPObjectID(uint64_t value);
Type type() const { return static_cast<Type>(m_type); }
bool boolValue() const
{
ASSERT(type() == NPVariantData::Bool);
return m_boolValue;
}
int32_t int32Value() const
{
ASSERT(type() == NPVariantData::Int32);
return m_int32Value;
}
double doubleValue() const
{
ASSERT(type() == NPVariantData::Double);
return m_doubleValue;
}
const CString& stringValue() const
{
ASSERT(type() == NPVariantData::String);
return m_stringValue;
}
uint64_t localNPObjectIDValue() const
{
ASSERT(type() == NPVariantData::LocalNPObjectID);
return m_localNPObjectIDValue;
}
uint64_t remoteNPObjectIDValue() const
{
ASSERT(type() == NPVariantData::RemoteNPObjectID);
return m_remoteNPObjectIDValue;
}
void encode(CoreIPC::ArgumentEncoder&) const;
static bool decode(CoreIPC::ArgumentDecoder&, NPVariantData&);
private:
uint32_t m_type;
bool m_boolValue;
int32_t m_int32Value;
double m_doubleValue;
CString m_stringValue;
uint64_t m_localNPObjectIDValue;
uint64_t m_remoteNPObjectIDValue;
};
} // namespace WebKit
#endif // ENABLE(PLUGIN_PROCESS)
#endif // NPVariantData_h
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