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#ifndef PTR_STACK_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define PTR_STACK_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#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/noncopyable.h"
#include <cstddef>
#include <cstdlib>
#include <memory>
#include <vector>
template <typename T>
class ptr_stack: private YAML::noncopyable
{
public:
ptr_stack() {}
~ptr_stack() { clear(); }
void clear() {
for(unsigned i=0;i<m_data.size();i++)
delete m_data[i];
m_data.clear();
}
std::size_t size() const { return m_data.size(); }
bool empty() const { return m_data.empty(); }
void push(std::auto_ptr<T> t) {
m_data.push_back(NULL);
m_data.back() = t.release();
}
std::auto_ptr<T> pop() {
std::auto_ptr<T> t(m_data.back());
m_data.pop_back();
return t;
}
T& top() { return *m_data.back(); }
const T& top() const { return *m_data.back(); }
private:
std::vector<T*> m_data;
};
#endif // PTR_STACK_H_62B23520_7C8E_11DE_8A39_0800200C9A66
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