library/cpp/codecs/static/example/example.cpp


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#include "example.h" 
 
#include <library/cpp/codecs/static/static.h>
 
#include <util/generic/yexception.h> 
 
extern "C" { 
extern const ui8 codec_info_huff_20160707[];
extern const ui32 codec_info_huff_20160707Size;
extern const ui8 codec_info_sa_huff_20160707[];
extern const ui32 codec_info_sa_huff_20160707Size;
}; 
 
namespace NStaticCodecExample { 
    static const NCodecs::TCodecConstPtr CODECS[] = { 
        nullptr, 
        NCodecs::RestoreCodecFromArchive(codec_info_huff_20160707, codec_info_huff_20160707Size), 
        NCodecs::RestoreCodecFromArchive(codec_info_sa_huff_20160707, codec_info_sa_huff_20160707Size), 
    }; 
 
    static_assert(Y_ARRAY_SIZE(CODECS) == DV_COUNT, "bad array size"); 
 
    void Encode(TBuffer& out, TStringBuf in, EDictVersion dv) { 
        Y_ENSURE(dv > DV_NULL && dv < DV_COUNT, "invalid dict version: " << (int)dv); 
        out.Clear(); 
        if (!in) { 
            return; 
        } 
        CODECS[dv]->Encode(in, out); 
        out.Append((char)dv); 
    } 
 
    void Decode(TBuffer& out, TStringBuf in) { 
        out.Clear(); 
        if (!in) { 
            return; 
        } 
        EDictVersion dv = (EDictVersion)in.back(); 
        Y_ENSURE(dv > DV_NULL && dv < DV_COUNT, "invalid dict version: " << (int)dv); 
        in.Chop(1); 
        CODECS[dv]->Decode(in, out); 
    } 
}