packed_block_source.hpp

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#ifndef EAGINE_SERIALIZE_PACKED_BLOCK_SOURCE_HPP
#define EAGINE_SERIALIZE_PACKED_BLOCK_SOURCE_HPP
 
#include "../compression.hpp"
#include "block_source.hpp"
 
namespace eagine {
//------------------------------------------------------------------------------
class packed_block_data_source : public block_data_source {
public:
    packed_block_data_source() noexcept = default;
 
    packed_block_data_source(
      data_compressor compressor,
      memory::const_block src) noexcept
      : _compressor{std::move(compressor)} {
        reset(src);
    }
 
    packed_block_data_source(memory::const_block src) noexcept
      : packed_block_data_source{{}, src} {}
 
    packed_block_data_source(data_compressor compressor) noexcept
      : packed_block_data_source{std::move(compressor), {}} {}
 
    void reset(memory::const_block src) {
        block_data_source::reset(_compressor.decompress(src));
    }
 
private:
    data_compressor _compressor{};
};
//------------------------------------------------------------------------------
} // namespace eagine
 
#endif // EAGINE_SERIALIZE_PACKED_BLOCK_SOURCE_HPP