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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 ArgumentEncoder_h
#define ArgumentEncoder_h
#include "ArgumentCoder.h"
#include "Attachment.h"
#include <wtf/PassOwnPtr.h>
#include <wtf/TypeTraits.h>
#include <wtf/Vector.h>
namespace CoreIPC {
class ArgumentEncoder;
class DataReference;
class ArgumentEncoder {
public:
static PassOwnPtr<ArgumentEncoder> create();
virtual ~ArgumentEncoder();
void encodeFixedLengthData(const uint8_t*, size_t, unsigned alignment);
void encodeVariableLengthByteArray(const DataReference&);
template<typename T> void encodeEnum(T t)
{
COMPILE_ASSERT(sizeof(T) <= sizeof(uint64_t), enum_type_must_not_be_larger_than_64_bits);
encode(static_cast<uint64_t>(t));
}
template<typename T> void encode(const T& t)
{
ArgumentCoder<T>::encode(*this, t);
}
template<typename T> ArgumentEncoder& operator<<(const T& t)
{
encode(t);
return *this;
}
uint8_t* buffer() const { return m_buffer; }
size_t bufferSize() const { return m_bufferSize; }
void addAttachment(const Attachment&);
Vector<Attachment> releaseAttachments();
protected:
ArgumentEncoder();
private:
void encode(bool);
void encode(uint8_t);
void encode(uint16_t);
void encode(uint32_t);
void encode(uint64_t);
void encode(int32_t);
void encode(int64_t);
void encode(float);
void encode(double);
uint8_t* grow(unsigned alignment, size_t size);
uint8_t m_inlineBuffer[512];
uint8_t* m_buffer;
uint8_t* m_bufferPointer;
size_t m_bufferSize;
size_t m_bufferCapacity;
Vector<Attachment> m_attachments;
};
} // namespace CoreIPC
#endif // ArgumentEncoder_h
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