| /* |
| * 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 ArgumentEncoder { |
| public: |
| static PassOwnPtr<ArgumentEncoder> create(uint64_t destinationID); |
| ~ArgumentEncoder(); |
| |
| void encodeBytes(const uint8_t*, size_t); |
| |
| void encodeBool(bool); |
| void encodeUInt32(uint32_t); |
| void encodeUInt64(uint64_t); |
| void encodeInt32(int32_t); |
| void encodeInt64(int64_t); |
| void encodeFloat(float); |
| void encodeDouble(double); |
| |
| template<typename T> void encodeEnum(T t) |
| { |
| COMPILE_ASSERT(sizeof(T) <= sizeof(uint64_t), enum_type_must_not_be_larger_than_64_bits); |
| |
| encodeUInt64(static_cast<uint64_t>(t)); |
| } |
| |
| // Generic type encode function. |
| template<typename T> void encode(const T& t) |
| { |
| ArgumentCoder<T>::encode(this, t); |
| } |
| |
| uint8_t* buffer() const { return m_buffer; } |
| size_t bufferSize() const { return m_bufferSize; } |
| |
| void addAttachment(const Attachment&); |
| Vector<Attachment> releaseAttachments(); |
| |
| #ifndef NDEBUG |
| void debug(); |
| #endif |
| |
| private: |
| explicit ArgumentEncoder(uint64_t destinationID); |
| uint8_t* grow(unsigned alignment, size_t size); |
| |
| uint8_t* m_buffer; |
| uint8_t* m_bufferPointer; |
| |
| size_t m_bufferSize; |
| size_t m_bufferCapacity; |
| |
| Vector<Attachment> m_attachments; |
| }; |
| |
| template<> inline void ArgumentEncoder::encode(const bool& n) |
| { |
| encodeBool(n); |
| } |
| |
| template<> inline void ArgumentEncoder::encode(const uint32_t& n) |
| { |
| encodeUInt32(n); |
| } |
| |
| template<> inline void ArgumentEncoder::encode(const uint64_t& n) |
| { |
| encodeUInt64(n); |
| } |
| |
| template<> inline void ArgumentEncoder::encode(const int32_t& n) |
| { |
| encodeInt32(n); |
| } |
| |
| template<> inline void ArgumentEncoder::encode(const int64_t& n) |
| { |
| encodeInt64(n); |
| } |
| |
| template<> inline void ArgumentEncoder::encode(const float& n) |
| { |
| encodeFloat(n); |
| } |
| |
| template<> inline void ArgumentEncoder::encode(const double& n) |
| { |
| encodeDouble(n); |
| } |
| |
| } // namespace CoreIPC |
| |
| #endif // ArgumentEncoder_h |