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#ifndef __JE_BUFFER_H__
#define __JE_BUFFER_H__
#include "../core/configuration.h"
#if defined(jin_filesystem)
#include <string.h>
#include <stdlib.h>
#include "../common/temporary.h"
#include "../common/types.h"
namespace JinEngine
{
namespace Filesystem
{
///
/// Data buffer allocated on heap.
///
class Buffer : public Temporary
{
public:
///
/// Buffer constructor.
///
Buffer()
: mData(0)
, mSize(0)
{
}
///
/// Copy constructor.
///
/// @param src Buffer source.
///
Buffer(const Buffer& src)
{
delete[] mData;
mSize = src.mSize;
mData = new byte[mSize];
memcpy(mData, src.mData, mSize);
}
///
/// Buffer constructor.
///
/// @param data Buffer data.
/// @param size Size of buffer.
///
Buffer(void* data, int size)
{
mSize = size;
mData = new byte[mSize];
memcpy(mData, data, mSize);
}
///
/// Buffer constructor.
///
/// @param size Size of data.
///
Buffer(size_t size)
{
mData = new byte[size];
memset(mData, 0, size);
mSize = size;
}
///
/// Buffer destructor.
///
~Buffer()
{
delete[] mData;
mSize = 0;
}
///
/// Set buffer data.
///
/// @param data Buffer data.
/// @param size Size of data.
///
void set(byte* data, size_t size)
{
if (data == nullptr)
return;
if (mSize != size)
{
delete mData;
mData = new byte[size];
}
mSize = size;
memcpy(mData, data, size);
}
///
/// Bind buffer data.
///
/// @param data Buffer data.
/// @param size Size of buffer.
///
void bind(byte* data, size_t size)
{
if (mData != nullptr)
delete mData;
mSize = size;
mData = data;
}
///
/// Buffer assignment.
///
/// @param buffer Buffer to copy.
///
void operator = (const Buffer& buffer)
{
delete[] mData;
mSize = buffer.mSize;
mData = new byte[mSize];
memcpy(mData, buffer.mData, mSize);
}
///
/// Get data addresss.
///
/// @return Data address.
///
const byte* operator &()
{
return mData;
}
///
/// Get data size.
///
/// @return Size of data.
///
const inline size_t size()
{
return mSize;
}
///
/// Clear data.
///
void clear()
{
if (mData == nullptr)
return;
delete mData;
mData = nullptr;
mSize = 0;
}
private:
byte* mData;
size_t mSize;
};
} // namespace Filesystem
} // namespace JinEngine
#endif // jin_filesystem
#endif
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