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#ifndef VALUE_DETAIL_ITERATOR_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define VALUE_DETAIL_ITERATOR_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/dll.h"
#include "yaml-cpp/node/node.h"
#include "yaml-cpp/node/ptr.h"
#include "yaml-cpp/node/detail/node_iterator.h"
#include <cstddef>
#include <iterator>
namespace YAML {
namespace detail {
struct iterator_value;
template <typename V>
class iterator_base : public std::iterator<std::forward_iterator_tag, V,
std::ptrdiff_t, V*, V> {
private:
template <typename>
friend class iterator_base;
struct enabler {};
typedef node_iterator base_type;
struct proxy {
explicit proxy(const V& x) : m_ref(x) {}
V* operator->() { return std::addressof(m_ref); }
operator V*() { return std::addressof(m_ref); }
V m_ref;
};
public:
typedef typename iterator_base::value_type value_type;
public:
iterator_base() : m_iterator(), m_pMemory() {}
explicit iterator_base(base_type rhs, shared_memory_holder pMemory)
: m_iterator(rhs), m_pMemory(pMemory) {}
template <class W>
iterator_base(const iterator_base<W>& rhs,
typename std::enable_if<std::is_convertible<W*, V*>::value,
enabler>::type = enabler())
: m_iterator(rhs.m_iterator), m_pMemory(rhs.m_pMemory) {}
iterator_base<V>& operator++() {
++m_iterator;
return *this;
}
iterator_base<V> operator++(int) {
iterator_base<V> iterator_pre(*this);
++(*this);
return iterator_pre;
}
template <typename W>
bool operator==(const iterator_base<W>& rhs) const {
return m_iterator == rhs.m_iterator;
}
template <typename W>
bool operator!=(const iterator_base<W>& rhs) const {
return m_iterator != rhs.m_iterator;
}
value_type operator*() const {
const typename base_type::value_type& v = *m_iterator;
if (v.pNode)
return value_type(Node(*v, m_pMemory));
if (v.first && v.second)
return value_type(Node(*v.first, m_pMemory), Node(*v.second, m_pMemory));
return value_type();
}
proxy operator->() const { return proxy(**this); }
private:
base_type m_iterator;
shared_memory_holder m_pMemory;
};
}
}
#endif // VALUE_DETAIL_ITERATOR_H_62B23520_7C8E_11DE_8A39_0800200C9A66
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