directory_iterator.h

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#ifndef CPPCOMMON_FILESYSTEM_DIRECTORY_ITERATOR_H
#define CPPCOMMON_FILESYSTEM_DIRECTORY_ITERATOR_H
 
#include "filesystem/path.h"
 
#include <memory>
 
namespace CppCommon {


class DirectoryIterator
{
    friend class Directory;
 
public:
    // Standard constant iterator type definitions
    typedef std::ptrdiff_t difference_type;
    typedef Path value_type;
    typedef const Path& reference;
    typedef const Path* pointer;
    typedef std::forward_iterator_tag iterator_category;
 
    DirectoryIterator();
    DirectoryIterator(DirectoryIterator& it);
    DirectoryIterator(DirectoryIterator&& it) noexcept;
    ~DirectoryIterator();
 
    DirectoryIterator& operator=(DirectoryIterator& it);
    DirectoryIterator& operator=(DirectoryIterator&& it) noexcept;
 
    friend bool operator==(const DirectoryIterator& it1, const DirectoryIterator& it2) noexcept;
    friend bool operator!=(const DirectoryIterator& it1, const DirectoryIterator& it2) noexcept;
 
    DirectoryIterator& operator++();
    DirectoryIterator operator++(int);
 
    const Path& operator*() const noexcept;
    const Path* operator->() const noexcept;

    void swap(DirectoryIterator& it) noexcept;
    friend void swap(DirectoryIterator& it1, DirectoryIterator& it2) noexcept;
 
private:
    class Impl;
    class SimpleImpl;
    class RecursiveImpl;
    std::unique_ptr<Impl> _pimpl;
    Path _current;
 
    DirectoryIterator(const Path& current);
    DirectoryIterator(const Path& parent, bool recursive);
};
 
} // namespace CppCommon
 
#include "directory_iterator.inl"
 
#endif // CPPCOMMON_FILESYSTEM_DIRECTORY_ITERATOR_H