bool ArgumentDecoder::decodeInt32(int32_t& result)
{
if (!alignBufferPosition(sizeof(result), sizeof(result)))
return false;
result = *reinterpret_cast<uint32_t*>(m_bufferPos);
m_bufferPos += sizeof(result);
return true;
}
bool ArgumentDecoder::decode(double& result)
{
if (!alignBufferPosition(sizeof(result), sizeof(result)))
return false;
result = *reinterpret_cast_ptr<double*>(m_bufferPos);
m_bufferPos += sizeof(result);
return true;
}
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;
}
bool ArgumentDecoder::decodeBytes(Vector<uint8_t>& buffer)
{
uint64_t size;
if (!decodeUInt64(size))
return false;
if (!alignBufferPosition(1, size))
return false;
buffer.resize(size);
if (size > 0)
memcpy(&buffer[0], m_bufferPos, size);
m_bufferPos += size;
return true;
}
bool ArgumentDecoder::decodeBytes(DataReference& dataReference)
{
uint64_t size;
if (!decodeUInt64(size))
return false;
if (!alignBufferPosition(1, size))
return false;
uint8_t* data = m_bufferPos;
m_bufferPos += size;
dataReference = DataReference(data, size);
return true;
}
bool ArgumentDecoder::decodeBytes(uint8_t* buffer, size_t bufferSize)
{
// FIXME: Decoding the size is not strictly necessary here since we know the size upfront.
uint64_t size;
if (!decodeUInt64(size))
return false;
ASSERT(size == bufferSize);
if (size != bufferSize)
return false;
if (!alignBufferPosition(1, size))
return false;
memcpy(buffer, m_bufferPos, size);
m_bufferPos += size;
return true;
}
