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Diffstat (limited to 'Source/WebKit2/Platform/IPC/ArgumentDecoder.cpp')
-rw-r--r--Source/WebKit2/Platform/IPC/ArgumentDecoder.cpp227
1 files changed, 0 insertions, 227 deletions
diff --git a/Source/WebKit2/Platform/IPC/ArgumentDecoder.cpp b/Source/WebKit2/Platform/IPC/ArgumentDecoder.cpp
deleted file mode 100644
index 6d396beee..000000000
--- a/Source/WebKit2/Platform/IPC/ArgumentDecoder.cpp
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@@ -1,227 +0,0 @@
-/*
- * Copyright (C) 2010, 2011 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.
- */
-
-#include "config.h"
-#include "ArgumentDecoder.h"
-
-#include "DataReference.h"
-#include <stdio.h>
-
-namespace IPC {
-
-ArgumentDecoder::ArgumentDecoder(const uint8_t* buffer, size_t bufferSize)
-{
- initialize(buffer, bufferSize);
-}
-
-ArgumentDecoder::ArgumentDecoder(const uint8_t* buffer, size_t bufferSize, Vector<Attachment> attachments)
-{
- initialize(buffer, bufferSize);
-
- m_attachments = std::move(attachments);
-}
-
-ArgumentDecoder::~ArgumentDecoder()
-{
- ASSERT(m_buffer);
- free(m_buffer);
-#if !USE(UNIX_DOMAIN_SOCKETS)
- // FIXME: We need to dispose of the mach ports in cases of failure.
-#else
- Vector<Attachment>::iterator end = m_attachments.end();
- for (Vector<Attachment>::iterator it = m_attachments.begin(); it != end; ++it)
- it->dispose();
-#endif
-}
-
-static inline uint8_t* roundUpToAlignment(uint8_t* ptr, unsigned alignment)
-{
- // Assert that the alignment is a power of 2.
- ASSERT(alignment && !(alignment & (alignment - 1)));
-
- uintptr_t alignmentMask = alignment - 1;
- return reinterpret_cast<uint8_t*>((reinterpret_cast<uintptr_t>(ptr) + alignmentMask) & ~alignmentMask);
-}
-
-void ArgumentDecoder::initialize(const uint8_t* buffer, size_t bufferSize)
-{
- m_buffer = static_cast<uint8_t*>(malloc(bufferSize));
-
- ASSERT(!(reinterpret_cast<uintptr_t>(m_buffer) % alignof(uint64_t)));
-
- m_bufferPos = m_buffer;
- m_bufferEnd = m_buffer + bufferSize;
- memcpy(m_buffer, buffer, bufferSize);
-}
-
-static inline bool alignedBufferIsLargeEnoughToContain(const uint8_t* alignedPosition, const uint8_t* bufferEnd, size_t size)
-{
- return bufferEnd >= alignedPosition && static_cast<size_t>(bufferEnd - alignedPosition) >= size;
-}
-
-bool ArgumentDecoder::alignBufferPosition(unsigned alignment, size_t size)
-{
- uint8_t* alignedPosition = roundUpToAlignment(m_bufferPos, alignment);
- if (!alignedBufferIsLargeEnoughToContain(alignedPosition, m_bufferEnd, size)) {
- // We've walked off the end of this buffer.
- markInvalid();
- return false;
- }
-
- m_bufferPos = alignedPosition;
- return true;
-}
-
-bool ArgumentDecoder::bufferIsLargeEnoughToContain(unsigned alignment, size_t size) const
-{
- return alignedBufferIsLargeEnoughToContain(roundUpToAlignment(m_bufferPos, alignment), m_bufferEnd, size);
-}
-
-bool ArgumentDecoder::decodeFixedLengthData(uint8_t* data, size_t size, unsigned alignment)
-{
- if (!alignBufferPosition(alignment, size))
- return false;
-
- memcpy(data, m_bufferPos, size);
- m_bufferPos += size;
-
- return true;
-}
-
-bool ArgumentDecoder::decodeVariableLengthByteArray(DataReference& dataReference)
-{
- uint64_t size;
- if (!decode(size))
- return false;
-
- if (!alignBufferPosition(1, size))
- return false;
-
- uint8_t* data = m_bufferPos;
- m_bufferPos += size;
-
- dataReference = DataReference(data, size);
- return true;
-}
-
-template<typename Type>
-static void decodeValueFromBuffer(Type& value, uint8_t*& bufferPosition)
-{
- memcpy(&value, bufferPosition, sizeof(value));
- bufferPosition += sizeof(Type);
-}
-
-bool ArgumentDecoder::decode(bool& result)
-{
- if (!alignBufferPosition(sizeof(result), sizeof(result)))
- return false;
-
- decodeValueFromBuffer(result, m_bufferPos);
- return true;
-}
-
-bool ArgumentDecoder::decode(uint8_t& result)
-{
- if (!alignBufferPosition(sizeof(result), sizeof(result)))
- return false;
-
- decodeValueFromBuffer(result, m_bufferPos);
- return true;
-}
-
-bool ArgumentDecoder::decode(uint16_t& result)
-{
- if (!alignBufferPosition(sizeof(result), sizeof(result)))
- return false;
-
- decodeValueFromBuffer(result, m_bufferPos);
- return true;
-}
-
-bool ArgumentDecoder::decode(uint32_t& result)
-{
- if (!alignBufferPosition(sizeof(result), sizeof(result)))
- return false;
-
- decodeValueFromBuffer(result, m_bufferPos);
- return true;
-}
-
-bool ArgumentDecoder::decode(uint64_t& result)
-{
- if (!alignBufferPosition(sizeof(result), sizeof(result)))
- return false;
-
- decodeValueFromBuffer(result, m_bufferPos);
- return true;
-}
-
-bool ArgumentDecoder::decode(int32_t& result)
-{
- if (!alignBufferPosition(sizeof(result), sizeof(result)))
- return false;
-
- decodeValueFromBuffer(result, m_bufferPos);
- return true;
-}
-
-bool ArgumentDecoder::decode(int64_t& result)
-{
- if (!alignBufferPosition(sizeof(result), sizeof(result)))
- return false;
-
- decodeValueFromBuffer(result, m_bufferPos);
- return true;
-}
-
-bool ArgumentDecoder::decode(float& result)
-{
- if (!alignBufferPosition(sizeof(result), sizeof(result)))
- return false;
-
- decodeValueFromBuffer(result, m_bufferPos);
- return true;
-}
-
-bool ArgumentDecoder::decode(double& result)
-{
- if (!alignBufferPosition(sizeof(result), sizeof(result)))
- return false;
-
- decodeValueFromBuffer(result, m_bufferPos);
- return true;
-}
-
-bool ArgumentDecoder::removeAttachment(Attachment& attachment)
-{
- if (m_attachments.isEmpty())
- return false;
-
- attachment = m_attachments.last();
- m_attachments.removeLast();
- return true;
-}
-
-} // namespace IPC