| 1 | /*
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| 2 | * SelectiveConstIterator.hpp
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| 3 | *
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| 4 | * Created on: Mar 19, 2013
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| 5 | * Author: heber
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| 6 | */
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| 7 |
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| 8 | #ifndef SELECTIVECONSTITERATOR_HPP_
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| 9 | #define SELECTIVECONSTITERATOR_HPP_
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| 10 |
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| 11 | // include config.h
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| 12 | #ifdef HAVE_CONFIG_H
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| 13 | #include <config.h>
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| 14 | #endif
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| 15 |
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| 16 |
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| 17 | #include <iterator>
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| 18 |
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| 19 | template<class _Target,
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| 20 | class _Container,
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| 21 | class _Descriptor>
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| 22 | class SelectiveConstIterator :
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| 23 | public std::iterator<typename std::iterator_traits<typename _Container::const_iterator>::difference_type,
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| 24 | typename std::iterator_traits<typename _Container::const_iterator>::value_type,
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| 25 | typename std::iterator_traits<typename _Container::const_iterator>::pointer,
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| 26 | typename std::iterator_traits<typename _Container::const_iterator>::reference>
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| 27 | {
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| 28 | public:
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| 29 | typedef typename _Container::const_iterator Iter;
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| 30 | typedef _Target Target;
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| 31 | typedef typename Iter::value_type value_type;
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| 32 | typedef typename Iter::difference_type difference_type;
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| 33 | typedef typename Iter::pointer pointer;
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| 34 | typedef typename Iter::reference reference;
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| 35 | typedef typename Iter::iterator_category iterator_category;
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| 36 |
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| 37 |
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| 38 | SelectiveConstIterator(_Descriptor, const _Container&);
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| 39 | SelectiveConstIterator(_Descriptor, const _Container&, Iter);
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| 40 | SelectiveConstIterator(const SelectiveConstIterator&);
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| 41 | SelectiveConstIterator& operator=(const SelectiveConstIterator&);
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| 42 | SelectiveConstIterator& operator++(); // prefix
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| 43 | SelectiveConstIterator operator++(int); // postfix with dummy parameter
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| 44 | bool operator==(const SelectiveConstIterator&);
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| 45 | bool operator!=(const SelectiveConstIterator&);
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| 46 | Target const operator*();
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| 47 |
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| 48 | int getCount();
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| 49 | protected:
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| 50 | void advanceState();
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| 51 | Iter state;
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| 52 | typename _Descriptor::impl_ptr descr;
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| 53 | int index;
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| 54 |
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| 55 | const _Container &content;
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| 56 | };
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| 57 |
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| 58 | #endif /* SELECTIVECONSTITERATOR_HPP_ */
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