external_libraries/yaml-cpp-0.3.0/src/collectionstack.h

   1 #ifndef COLLECTIONSTACK_H_62B23520_7C8E_11DE_8A39_0800200C9A66
   2 #define COLLECTIONSTACK_H_62B23520_7C8E_11DE_8A39_0800200C9A66
   3
   4 #if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
   5 #pragma once
   6 #endif
   7
   8
   9 #include <stack>
  10 #include <cassert>
  11
  12 namespace YAML
  13 {
  14         struct CollectionType {
  15                 enum value { None, BlockMap, BlockSeq, FlowMap, FlowSeq, CompactMap };
  16         };
  17
  18         class CollectionStack
  19         {
  20         public:
  21                 CollectionType::value GetCurCollectionType() const {
  22                         if(collectionStack.empty())
  23                                 return CollectionType::None;
  24                         return collectionStack.top();
  25                 }
  26
  27                 void PushCollectionType(CollectionType::value type) { collectionStack.push(type); }
  28                 void PopCollectionType(CollectionType::value type) { assert(type == GetCurCollectionType()); collectionStack.pop(); }
  29
  30         private:
  31                 std::stack<CollectionType::value> collectionStack;
  32         };
  33 }
  34
  35 #endif // COLLECTIONSTACK_H_62B23520_7C8E_11DE_8A39_0800200C9A66