intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 40 insertions, 0 deletions

diff --git a/library/cpp/codecs/comptable_codec.h b/library/cpp/codecs/comptable_codec.h
new file mode 100644
index 00000000000..7ba4f4c5432
--- /dev/null
+++ b/library/cpp/codecs/comptable_codec.h
@@ -0,0 +1,40 @@
+#pragma once
+
+#include "codecs.h"
+
+#include <util/generic/ptr.h>
+
+namespace NCodecs {
+    class TCompTableCodec: public ICodec {
+        class TImpl;
+        TIntrusivePtr<TImpl> Impl;
+
+    public:
+        enum EQuality {
+            Q_LOW = 0,
+            Q_HIGH = 1
+        };
+
+        explicit TCompTableCodec(EQuality q = Q_HIGH);
+        ~TCompTableCodec() override;
+
+        static TStringBuf MyNameHQ() {
+            return "comptable-hq";
+        }
+        static TStringBuf MyNameLQ() {
+            return "comptable-lq";
+        }
+
+        TString GetName() const override;
+
+        ui8 Encode(TStringBuf in, TBuffer& out) const override;
+
+        void Decode(TStringBuf in, TBuffer& out) const override;
+
+    protected:
+        void DoLearn(ISequenceReader& in) override;
+        void Save(IOutputStream* out) const override;
+        void Load(IInputStream* in) override;
+    };
+
+}