library/cpp/yson/json/yson2json_adapter.cpp


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#include "yson2json_adapter.h"

namespace NYT {
    TYson2JsonCallbacksAdapter::TYson2JsonCallbacksAdapter(::NYson::TYsonConsumerBase* impl, bool throwException)
        : NJson::TJsonCallbacks(throwException)
        , Impl_(impl) 
    {
    }

    bool TYson2JsonCallbacksAdapter::OnNull() {
        WrapIfListItem();
        Impl_->OnEntity(); 
        return true;
    }

    bool TYson2JsonCallbacksAdapter::OnBoolean(bool val) {
        WrapIfListItem();
        Impl_->OnBooleanScalar(val); 
        return true;
    }

    bool TYson2JsonCallbacksAdapter::OnInteger(long long val) {
        WrapIfListItem();
        Impl_->OnInt64Scalar(val); 
        return true;
    }

    bool TYson2JsonCallbacksAdapter::OnUInteger(unsigned long long val) {
        WrapIfListItem();
        Impl_->OnUint64Scalar(val); 
        return true;
    }

    bool TYson2JsonCallbacksAdapter::OnString(const TStringBuf& val) {
        WrapIfListItem();
        Impl_->OnStringScalar(val); 
        return true;
    }

    bool TYson2JsonCallbacksAdapter::OnDouble(double val) {
        WrapIfListItem();
        Impl_->OnDoubleScalar(val); 
        return true;
    }

    bool TYson2JsonCallbacksAdapter::OnOpenArray() {
        WrapIfListItem();
        State_.ContextStack.push(true); 
        Impl_->OnBeginList(); 
        return true;
    }

    bool TYson2JsonCallbacksAdapter::OnCloseArray() {
        State_.ContextStack.pop(); 
        Impl_->OnEndList(); 
        return true;
    }

    bool TYson2JsonCallbacksAdapter::OnOpenMap() {
        WrapIfListItem();
        State_.ContextStack.push(false); 
        Impl_->OnBeginMap(); 
        return true;
    }

    bool TYson2JsonCallbacksAdapter::OnCloseMap() {
        State_.ContextStack.pop(); 
        Impl_->OnEndMap(); 
        return true;
    }

    bool TYson2JsonCallbacksAdapter::OnMapKey(const TStringBuf& val) {
        Impl_->OnKeyedItem(val); 
        return true;
    }

    void TYson2JsonCallbacksAdapter::WrapIfListItem() {
        if (!State_.ContextStack.empty() && State_.ContextStack.top()) { 
            Impl_->OnListItem(); 
        }
    }
}