BufferedReader.hpp

/*******************************************************************************
 *  Rohan data serialization library.
 *  Reader with bufferization
 *  
 *  © 2023—2024, Sauron
 ******************************************************************************/

#ifndef __ROHAN_BUFFEREDREADER_HPP
#define __ROHAN_BUFFEREDREADER_HPP

#include "Reader.hpp"

namespace rohan {

/**/
class BufferedReader : public Reader {
public:
    /** Create a buffered reader **/
    BufferedReader(Reader &source, size_t bufferSize);
    /** Returns the underlying stream **/
    Reader &getSource() const { return source; }
    /** Returns the buffer size **/
    size_t getBufferSize() const { return bufferSize; }
    /** Read a byte of data **/
    short read();
    /** Read a portion of data **/
    size_t read(void * to, size_t length) override;
    /** Skip a portion of data **/
    size_t skip(size_t length) override;
    
private:
    void populate();
    
    Reader &source;
    size_t bufferSize;
    size_t position;
    std::vector<uint8_t> buffer;
};

}

#endif