collectionstack.h

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#ifndef COLLECTIONSTACK_H_62B23520_7C8E_11DE_8A39_0800200C9A66_PM
#define COLLECTIONSTACK_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 <stack>
#include <cassert>
 
namespace YAML_PM
{
        struct CollectionType {
                enum value { None, BlockMap, BlockSeq, FlowMap, FlowSeq, CompactMap };
        };
 
        class CollectionStack
        {
        public:
                CollectionType::value GetCurCollectionType() const {
                        if(collectionStack.empty())
                                return CollectionType::None;
                        return collectionStack.top();
                }
                
                void PushCollectionType(CollectionType::value type) { collectionStack.push(type); }
                void PopCollectionType(CollectionType::value type) { assert(type == GetCurCollectionType()); collectionStack.pop(); }
                
        private:
                std::stack<CollectionType::value> collectionStack;
        };
}
 
#endif // COLLECTIONSTACK_H_62B23520_7C8E_11DE_8A39_0800200C9A66_PM