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#include <cstdlib>
#include <cstring>
#include "data_buffer.h"
using namespace AEThreading;
namespace AsuraEngine
{
namespace IO
{
DataBuffer::DataBuffer(DataBuffer& src)
{
Load(src);
}
DataBuffer::DataBuffer(std::size_t size)
: mSize(size)
, mBytes(nullptr)
{
lock(mMutex);
mBytes = new byte[size];
memset(mBytes, 0, size);
}
DataBuffer::DataBuffer(const void* data, std::size_t size)
: mSize(size)
, mBytes(nullptr)
{
Load(data, size);
}
DataBuffer::~DataBuffer()
{
delete[] mBytes;
}
void DataBuffer::Refactor(size_t size)
{
lock(mMutex);
if (!mBytes || mSize != size)
{
delete[] mBytes;
mBytes = new byte[size];
mSize = size;
}
memset(mBytes, 0, size * sizeof(byte));
}
size_t DataBuffer::Load(DataBuffer& db)
{
return Load(db.GetData(), db.GetSize());
}
size_t DataBuffer::Load(const void* data, std::size_t size)
{
lock(mMutex);
size_t len = mSize > size ? size : mSize;
memcpy(mBytes, data, len);
return len;
}
void DataBuffer::Move(void* bytes, std::size_t size)
{
lock(mMutex);
if (!mBytes)
{
delete[] mBytes;
}
mBytes = (byte*)bytes;
mSize = size;
}
byte* DataBuffer::GetData()
{
return mBytes;
}
void DataBuffer::Clear()
{
lock(mMutex);
if (mBytes)
memset(mBytes, 0, mSize);
}
std::size_t DataBuffer::GetSize()
{
return mSize;
}
}
}
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