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#pragma once
#include <library/cpp/streams/lz/common/compressor.h>
#include <contrib/libs/snappy/snappy.h>
/*
* Snappy
*/
class TSnappy {
public:
static constexpr char signature[] = "Snap";
static inline size_t Hint(size_t len) noexcept {
return Max<size_t>(snappy::MaxCompressedLength(len), 100);
}
inline size_t Compress(const char* data, size_t len, char* ptr, size_t /*dstMaxSize*/) {
size_t reslen = 0;
snappy::RawCompress(data, len, ptr, &reslen);
return reslen;
}
inline size_t Decompress(const char* data, size_t len, char* ptr, size_t) {
size_t srclen = 0;
if (!snappy::GetUncompressedLength(data, len, &srclen) || !snappy::RawUncompress(data, len, ptr))
ythrow TDecompressorError();
return srclen;
}
inline void InitFromStream(IInputStream*) const noexcept {
}
static inline bool SaveIncompressibleChunks() noexcept {
return false;
}
};
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