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#ifndef SLANG_COMPILER_CORE_JSON_NATIVE_H
#define SLANG_COMPILER_CORE_JSON_NATIVE_H

#include "slang-com-helper.h"
#include "slang-com-ptr.h"
#include "slang-json-value.h"
#include "slang.h"

namespace Slang
{

struct JSONToNativeConverter
{
    SlangResult convert(const JSONValue& value, const RttiInfo* rttiInfo, void* out);
    template<typename T>
    SlangResult convert(const JSONValue& value, T* in)
    {
        return convert(value, GetRttiInfo<T>::get(), (void*)in);
    }

    template<typename T>
    SlangResult convertArrayToStruct(const JSONValue& value, T* in)
    {
        return convertArrayToStruct(value, GetRttiInfo<T>::get(), (void*)in);
    }
    SlangResult convertArrayToStruct(const JSONValue& value, const RttiInfo* rttiInfo, void* out);

    JSONToNativeConverter(JSONContainer* container, RttiTypeFuncsMap* typeMap, DiagnosticSink* sink)
        : m_container(container), m_typeMap(typeMap), m_sink(sink)
    {
    }

protected:
    static Index _getFieldCount(const StructRttiInfo* structRttiInfo);
    static Index _findFieldIndex(
        const StructRttiInfo* structRttiInfo,
        const UnownedStringSlice& fieldName);

    SlangResult _structToNative(
        const ConstArrayView<JSONKeyValue>& pairs,
        const StructRttiInfo* structRttiInfo,
        void* out,
        Index& outFieldCount);

    DiagnosticSink* m_sink;
    RttiTypeFuncsMap* m_typeMap;
    JSONContainer* m_container;
};

struct NativeToJSONConverter
{
    SlangResult convert(const RttiInfo* rttiInfo, const void* in, JSONValue& out);

    template<typename T>
    SlangResult convert(T* in, JSONValue& out)
    {
        return convert(GetRttiInfo<T>::get(), (const void*)in, out);
    }

    SlangResult convertStructToArray(const RttiInfo* rttiInfo, const void* in, JSONValue& out);
    template<typename T>
    SlangResult convertStructToArray(T* in, JSONValue& out)
    {
        return convertStructToArray(GetRttiInfo<T>::get(), (const void*)in, out);
    }

    NativeToJSONConverter(JSONContainer* container, RttiTypeFuncsMap* typeMap, DiagnosticSink* sink)
        : m_container(container), m_typeMap(typeMap), m_sink(sink)
    {
    }

protected:
    SlangResult _structToJSON(
        const StructRttiInfo* structRttiInfo,
        const void* src,
        List<JSONKeyValue>& outPairs);

    DiagnosticSink* m_sink;
    RttiTypeFuncsMap* m_typeMap;
    JSONContainer* m_container;
};

struct JSONNativeUtil
{
    static RttiTypeFuncsMap getTypeFuncsMap();
};

} // namespace Slang

#endif // SLANG_COMPILER_CORE_JSON_NATIVE_H