ZlibInflate.hh

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#ifndef ZLIBINFLATE_HH
#define ZLIBINFLATE_HH
 
#include "MemBuffer.hh"
 
#include <cstdint>
#include <span>
#include <string>
#include <zlib.h>
 
namespace openmsx {
 
class ZlibInflate
{
public:
        explicit ZlibInflate(std::span<const uint8_t> input);
        ZlibInflate(const ZlibInflate&) = delete;
        ZlibInflate(ZlibInflate&&) = delete;
        ZlibInflate& operator=(const ZlibInflate&) = delete;
        ZlibInflate& operator=(ZlibInflate&&) = delete;
        ~ZlibInflate();
 
        void skip(size_t num);
        [[nodiscard]] uint8_t getByte();
        [[nodiscard]] unsigned get16LE();
        [[nodiscard]] unsigned get32LE();
        [[nodiscard]] std::string getString(size_t len);
        [[nodiscard]] std::string getCString();
 
        [[nodiscard]] MemBuffer<uint8_t> inflate(size_t sizeHint = 65536);
 
private:
        z_stream s;
        bool wasInit;
};
 
} // namespace openmsx
 
#endif