peisongxiao/yaml-cpp
1
0
Fork 0
mirror of https://github.com/jbeder/yaml-cpp.git synced 2025-09-09 20:51:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

Copied all files from new-api branch of old repo

Browse Source
This commit is contained in:
Jesse Beder
2012-05-19 15:34:02 -05:00
parent c8a539f4f4
commit c22512649e
38 changed files with 4333 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
include/yaml-cpp/node/detail/iterator.h Normal file
View File

@@ -0,0 +1,64 @@
#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/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;
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;
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