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This commit is contained in:
Jesse Beder
2014-03-22 13:05:03 -05:00
parent 3355bbb399
commit d63ec48c8a
40 changed files with 5797 additions and 5687 deletions
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98
include/yaml-cpp/node/detail/iterator.h
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@@ -1,64 +1,66 @@
#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
#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/ptr.h"
#include "yaml-cpp/node/detail/node_iterator.h"
#include <boost/iterator/iterator_adaptor.hpp>
#include <boost/utility.hpp>
namespace YAML
{
namespace detail
{
struct iterator_value;
namespace YAML {
namespace detail {
struct iterator_value;
template<typename V>
class iterator_base: public boost::iterator_adaptor<
iterator_base<V>,
node_iterator,
V,
std::forward_iterator_tag,
V>
{
private:
template<typename> friend class iterator_base;
struct enabler {};
typedef typename iterator_base::base_type base_type;
public:
typedef typename iterator_base::value_type value_type;
public:
iterator_base() {}
explicit iterator_base(base_type rhs, shared_memory_holder pMemory): iterator_base::iterator_adaptor_(rhs), m_pMemory(pMemory) {}
template<class W>
iterator_base(const iterator_base<W>& rhs, typename boost::enable_if<boost::is_convertible<W*, V*>, enabler>::type = enabler()): iterator_base::iterator_adaptor_(rhs.base()), m_pMemory(rhs.m_pMemory) {}
private:
friend class boost::iterator_core_access;
template <typename V>
class iterator_base
: public boost::iterator_adaptor<iterator_base<V>, node_iterator, V,
std::forward_iterator_tag, V> {
private:
template <typename>
friend class iterator_base;
struct enabler {};
typedef typename iterator_base::base_type base_type;
void increment() { this->base_reference() = boost::next(this->base()); }
value_type dereference() const {
const typename base_type::value_type& v = *this->base();
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();
}
private:
shared_memory_holder m_pMemory;
};
}
public:
typedef typename iterator_base::value_type value_type;
public:
iterator_base() {}
explicit iterator_base(base_type rhs, shared_memory_holder pMemory)
: iterator_base::iterator_adaptor_(rhs), m_pMemory(pMemory) {}
template <class W>
iterator_base(
const iterator_base<W>& rhs,
typename boost::enable_if<boost::is_convertible<W*, V*>, enabler>::type =
enabler())
: iterator_base::iterator_adaptor_(rhs.base()),
m_pMemory(rhs.m_pMemory) {}
private:
friend class boost::iterator_core_access;
void increment() { this->base_reference() = boost::next(this->base()); }
value_type dereference() const {
const typename base_type::value_type& v = *this->base();
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();
}
private:
shared_memory_holder m_pMemory;
};
}
}
#endif // VALUE_DETAIL_ITERATOR_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#endif // VALUE_DETAIL_ITERATOR_H_62B23520_7C8E_11DE_8A39_0800200C9A66