library/cpp/yson_pull/consumer.h


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#pragma once 
 
#include "event.h" 
 
#include <util/generic/strbuf.h> 
#include <util/system/types.h>
 
namespace NYsonPull { 
    class IConsumer {
    public:
        virtual ~IConsumer() = default;
 
        virtual void OnBeginStream() = 0; 
        virtual void OnEndStream() = 0; 
 
        virtual void OnBeginList() = 0; 
        virtual void OnEndList() = 0; 
 
        virtual void OnBeginMap() = 0; 
        virtual void OnEndMap() = 0; 
 
        virtual void OnBeginAttributes() = 0; 
        virtual void OnEndAttributes() = 0; 
 
        virtual void OnKey(TStringBuf name) = 0; 
 
        virtual void OnEntity() = 0; 
        virtual void OnScalarBoolean(bool value) = 0; 
        virtual void OnScalarInt64(i64 value) = 0; 
        virtual void OnScalarUInt64(ui64 value) = 0; 
        virtual void OnScalarFloat64(double value) = 0; 
        virtual void OnScalarString(TStringBuf value) = 0; 
 
        virtual void OnScalar(const TScalar& value); 
        virtual void OnEvent(const TEvent& value); 
    };
}