mirror of
https://github.com/KingDuckZ/dindexer.git
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104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
/* Copyright 2015, 2016, Michele Santullo
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* This file is part of "dindexer".
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*
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* "dindexer" is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* "dindexer" is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with "dindexer". If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef id040FEEC20F7B4F65A3EF67BA6460E737
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#define id040FEEC20F7B4F65A3EF67BA6460E737
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#include "dindexer-machinery/recorddata.hpp"
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#include <vector>
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#include <boost/iterator/iterator_facade.hpp>
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#include <memory>
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#include <type_traits>
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namespace mchlib {
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class PathName;
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class SetListingView;
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namespace implem {
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template <bool Const>
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class DirIterator : public boost::iterator_facade<DirIterator<Const>, FileRecordData, boost::forward_traversal_tag> {
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friend class mchlib::SetListingView;
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friend class boost::iterator_core_access;
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typedef boost::iterator_facade<DirIterator<Const>, FileRecordData, boost::random_access_traversal_tag> base_class;
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typedef typename base_class::difference_type difference_type;
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typedef typename base_class::reference reference;
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public:
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typedef typename std::conditional<
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Const,
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std::vector<mchlib::FileRecordData>::const_iterator,
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std::vector<mchlib::FileRecordData>::iterator
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>::type VecIterator;
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DirIterator ( DirIterator<Const>&& parOther );
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DirIterator ( VecIterator parBegin, VecIterator parEnd, std::unique_ptr<PathName>&& parBasePath );
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~DirIterator ( void ) noexcept;
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private:
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void increment ( void );
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difference_type distance_to ( const DirIterator<Const>& parOther ) const;
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bool equal ( const DirIterator<Const>& parOther ) const;
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reference dereference ( void ) const;
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bool is_end ( void ) const;
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VecIterator m_current;
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VecIterator m_end;
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std::unique_ptr<PathName> m_base_path;
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};
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};
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class SetListingView {
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public:
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typedef implem::DirIterator<true> const_iterator;
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typedef std::vector<FileRecordData>::const_iterator list_iterator;
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explicit SetListingView ( const const_iterator& parIter );
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SetListingView ( list_iterator parBeg, list_iterator parEnd );
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SetListingView ( SetListingView&& ) = default;
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~SetListingView ( void ) noexcept = default;
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const_iterator begin ( void ) const;
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const_iterator cbegin ( void ) const;
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const_iterator end ( void ) const;
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const_iterator cend ( void ) const;
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private:
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list_iterator m_begin;
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list_iterator m_end;
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};
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class SetListing {
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public:
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typedef std::vector<FileRecordData> ListType;
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typedef SetListingView::const_iterator const_iterator;
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explicit SetListing ( ListType&& parList, bool parSort=true );
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~SetListing ( void ) noexcept;
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const_iterator begin ( void ) const;
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const_iterator cbegin ( void ) const;
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const_iterator end ( void ) const;
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const_iterator cend ( void ) const;
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//ListType descend_copy ( const const_iterator& parItem ) const;
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SetListingView make_view ( void ) const;
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private:
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ListType m_list;
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};
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} //namespace mchlib
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#endif
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