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/* Copyright (C) 2010 webis.de
 * All rights reserved.
 */
#ifndef AITOOLS_INVERTEDINDEX_BYTE_BUFFER_HPP
#define AITOOLS_INVERTEDINDEX_BYTE_BUFFER_HPP

#include <iostream>
#include <new>

namespace aitools {
namespace invertedindex {

class ByteBuffer {

public: // c'tor / d'tor

        ByteBuffer(size_t size = 0) throw (std::bad_alloc);

        ByteBuffer(const ByteBuffer& buffer) throw (std::bad_alloc);

        ~ByteBuffer();

public: // methods

        size_t capacity() const;

        void clear();

        char* data();

        const char* data() const;

        bool empty() const;

        void free();

        ByteBuffer& operator=(const ByteBuffer& buffer) throw (std::bad_alloc);

        bool operator==(const ByteBuffer& buffer) const;

        bool operator!=(const ByteBuffer& buffer) const;

        void resize(size_t size) throw (std::bad_alloc);

        size_t size() const;

private:

        char*  data_;
        size_t capacity_;
        size_t size_;

};

} // namespace invertedindex
} // namespace aitools

namespace std {

        ostream&
        operator<<(ostream& os, const aitools::invertedindex::ByteBuffer& buffer);
}

#endif // AITOOLS_INVERTEDINDEX_BYTE_BUFFER_HPP

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