| [6e97e5] | 1 | /* | 
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|  | 2 | * SelectiveIterator.hpp | 
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|  | 3 | * | 
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|  | 4 | *  Created on: Mar 17, 2010 | 
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|  | 5 | *      Author: crueger | 
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|  | 6 | */ | 
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|  | 7 |  | 
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|  | 8 | #ifndef SELECTIVEITERATOR_HPP_ | 
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|  | 9 | #define SELECTIVEITERATOR_HPP_ | 
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|  | 10 |  | 
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| [56f73b] | 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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| [6e97e5] | 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 SelectiveIterator : | 
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|  | 23 | public std::iterator<typename std::iterator_traits<typename _Container::iterator>::difference_type, | 
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|  | 24 | typename std::iterator_traits<typename _Container::iterator>::value_type, | 
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|  | 25 | typename std::iterator_traits<typename _Container::iterator>::pointer, | 
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|  | 26 | typename std::iterator_traits<typename _Container::iterator>::reference> | 
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|  | 27 | { | 
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|  | 28 | public: | 
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|  | 29 | typedef typename _Container::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 | SelectiveIterator(_Descriptor, _Container&); | 
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|  | 39 | SelectiveIterator(_Descriptor, _Container&, Iter); | 
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|  | 40 | SelectiveIterator(const SelectiveIterator&); | 
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|  | 41 | SelectiveIterator& operator=(const SelectiveIterator&); | 
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|  | 42 | SelectiveIterator& operator++();     // prefix | 
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|  | 43 | SelectiveIterator  operator++(int);  // postfix with dummy parameter | 
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|  | 44 | bool operator==(const SelectiveIterator&); | 
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|  | 45 | bool operator!=(const SelectiveIterator&); | 
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|  | 46 | Target 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 | _Container &content; | 
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|  | 56 | }; | 
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|  | 57 |  | 
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|  | 58 | #endif /* SELECTIVEITERATOR_HPP_ */ | 
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