emitfromevents.h

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#ifndef EMITFROMEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66_PM
#define EMITFROMEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66_PM

#if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
#pragma once
#endif

#include "yaml-cpp-pm/eventhandler.h"
#include <stack>

namespace YAML_PM
{
        class Emitter;
        
        class EmitFromEvents: public EventHandler
        {
        public:
                EmitFromEvents(Emitter& emitter);
                
                virtual void OnDocumentStart(const Mark& mark);
                virtual void OnDocumentEnd();
                
                virtual void OnNull(const Mark& mark, anchor_t anchor);
                virtual void OnAlias(const Mark& mark, anchor_t anchor);
                virtual void OnScalar(const Mark& mark, const std::string& tag, anchor_t anchor, const std::string& value);
                
                virtual void OnSequenceStart(const Mark& mark, const std::string& tag, anchor_t anchor);
                virtual void OnSequenceEnd();
                
                virtual void OnMapStart(const Mark& mark, const std::string& tag, anchor_t anchor);
                virtual void OnMapEnd();
                
        private:
                void BeginNode();
                void EmitProps(const std::string& tag, anchor_t anchor);
                
        private:
                Emitter& m_emitter;
                
                struct State { enum value { WaitingForSequenceEntry, WaitingForKey, WaitingForValue }; };
                std::stack<State::value> m_stateStack;
        };
}

#endif // EMITFROMEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66_PM