linkstringsetiterator.h

来自「C++&datastructure书籍源码,以前外教提供现在与大家共享」· C头文件 代码 · 共 24 行

class LinkStringSetIterator
{
  public:
    LinkStringSetIterator(const LinkStringSet& lset)
      : mySet(lset), myCurrent(0)
     { }
     void Init()
     {   myCurrent = mySet.myFirst->next;  // first node
     }
     bool HasMore() const
     {   return myCurrent != 0;
     }
     string Current() const
     {   return myCurrent->info;
     }
     void Next()
     {   myCurrent = myCurrent->next;
     }
  private:
    typedef LinkStringSet::Node Node;
    const LinkStringSet& mySet;
    Node *               myCurrent;
};