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#pragma once
#include "jsonParse.h" // IWYU pragma: export
#include "persistence.h" // IWYU pragma: export
#include <functional>
#include <iosfwd>
#include <memory>
#include <string>
#include <string_view>
namespace Persistence {
class JsonParsePersistence : public json::jsonParser, ParseBase {
public:
template<typename T>
inline T
loadState(std::istream & in)
{
if (!in.good()) {
throw std::runtime_error("Input stream not in good state");
}
T t {};
stk.push(std::make_unique<SelectionT<T>>(std::ref(t)));
loadState(in);
return t;
}
protected:
void loadState(std::istream & in);
void beginObject() override;
void beginArray() override;
void pushBoolean(bool value) override;
void pushNumber(std::string_view value) override;
void pushNull() override;
void pushText(std::string && value) override;
void pushKey(std::string && k) override;
void endArray() override;
void endObject() override;
template<typename T> inline void pushValue(T && value);
inline SelectionPtr & current();
};
class JsonWritePersistence : public Writer {
public:
explicit JsonWritePersistence(std::ostream & s);
template<typename T>
inline void
saveState(T & t) const
{
SelectionT<T> {t}.write(*this);
}
protected:
void beginObject() const override;
void beginArray() const override;
void pushValue(bool value) const override;
void pushValue(float value) const override;
void pushValue(int value) const override;
void pushValue(std::nullptr_t) const override;
void pushValue(const std::string_view value) const override;
void nextValue() const override;
void pushKey(const std::string_view k) const override;
void endArray() const override;
void endObject() const override;
private:
std::ostream & strm;
};
}
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