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Diffstat (limited to 'src/libjin/filesystem/buffer.h')
| -rw-r--r-- | src/libjin/filesystem/buffer.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/libjin/filesystem/buffer.h b/src/libjin/filesystem/buffer.h new file mode 100644 index 0000000..2b5be6a --- /dev/null +++ b/src/libjin/filesystem/buffer.h @@ -0,0 +1,169 @@ +#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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