| [6e97e5] | 1 | /* | 
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|  | 2 | * SelectiveIterator_impl.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_IMPL_HPP_ | 
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|  | 9 | #define SELECTIVEITERATOR_IMPL_HPP_ | 
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|  | 10 |  | 
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| [952f38] | 11 | #include "Helpers/helpers.hpp" | 
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| [6e97e5] | 12 |  | 
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|  | 13 | template<class _Target, | 
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|  | 14 | class _Container, | 
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|  | 15 | class _Descriptor> | 
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|  | 16 | SelectiveIterator<_Target,_Container,_Descriptor>::SelectiveIterator(_Descriptor _descr, _Container &_content) : | 
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|  | 17 | descr(_descr.get_impl()), | 
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|  | 18 | index(0), | 
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|  | 19 | content(_content) | 
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|  | 20 | { | 
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|  | 21 | state = content.begin(); | 
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|  | 22 | advanceState(); | 
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|  | 23 | } | 
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|  | 24 |  | 
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|  | 25 | template<class _Target, | 
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|  | 26 | class _Container, | 
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|  | 27 | class _Descriptor> | 
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|  | 28 | SelectiveIterator<_Target,_Container,_Descriptor>::SelectiveIterator(_Descriptor _descr, _Container &_content, SelectiveIterator<_Target,_Container,_Descriptor>::Iter _state) : | 
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|  | 29 | state(_state), | 
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|  | 30 | descr(_descr.get_impl()), | 
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|  | 31 | index(0), | 
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|  | 32 | content(_content) | 
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|  | 33 | { | 
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|  | 34 | advanceState(); | 
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|  | 35 | } | 
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|  | 36 |  | 
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|  | 37 | template<class _Target, | 
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|  | 38 | class _Container, | 
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|  | 39 | class _Descriptor> | 
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|  | 40 | SelectiveIterator<_Target,_Container,_Descriptor>::SelectiveIterator(const SelectiveIterator<_Target,_Container,_Descriptor>& rhs) : | 
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|  | 41 | state(rhs.state), | 
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|  | 42 | descr(rhs.descr), | 
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|  | 43 | index(rhs.index), | 
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|  | 44 | content(rhs.content) | 
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|  | 45 | {} | 
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|  | 46 |  | 
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|  | 47 | template<class _Target, | 
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|  | 48 | class _Container, | 
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|  | 49 | class _Descriptor> | 
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|  | 50 | SelectiveIterator<_Target,_Container,_Descriptor>& SelectiveIterator<_Target,_Container,_Descriptor>::operator=(const SelectiveIterator<_Target,_Container,_Descriptor>& rhs) | 
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|  | 51 | { | 
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|  | 52 | if(&rhs!=this){ | 
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|  | 53 | state=rhs.state; | 
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|  | 54 | descr=rhs.descr; | 
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|  | 55 | index=rhs.index; | 
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|  | 56 | } | 
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|  | 57 | return *this; | 
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|  | 58 | } | 
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|  | 59 |  | 
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|  | 60 | template<class _Target, | 
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|  | 61 | class _Container, | 
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|  | 62 | class _Descriptor> | 
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|  | 63 | SelectiveIterator<_Target,_Container,_Descriptor>& | 
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|  | 64 | SelectiveIterator<_Target,_Container,_Descriptor>::operator++(){ | 
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|  | 65 | ++state; | 
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|  | 66 | ++index; | 
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|  | 67 | advanceState(); | 
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|  | 68 | return *this; | 
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|  | 69 | } | 
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|  | 70 |  | 
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|  | 71 | template<class _Target, | 
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|  | 72 | class _Container, | 
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|  | 73 | class _Descriptor> | 
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|  | 74 | SelectiveIterator<_Target,_Container,_Descriptor> SelectiveIterator<_Target,_Container,_Descriptor>::operator++(int){ | 
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|  | 75 | SelectiveIterator<_Target,_Container,_Descriptor> res = SelectiveIterator<_Target,_Container,_Descriptor>(*this); | 
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|  | 76 | ++(*this); | 
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|  | 77 | return res; | 
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|  | 78 | } | 
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|  | 79 |  | 
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|  | 80 | template<class _Target, | 
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|  | 81 | class _Container, | 
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|  | 82 | class _Descriptor> | 
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|  | 83 | bool | 
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|  | 84 | SelectiveIterator<_Target,_Container,_Descriptor>::operator==(const SelectiveIterator<_Target,_Container,_Descriptor>& rhs){ | 
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|  | 85 | return state==rhs.state; | 
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|  | 86 | } | 
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|  | 87 |  | 
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|  | 88 | template<class _Target, | 
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|  | 89 | class _Container, | 
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|  | 90 | class _Descriptor> | 
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|  | 91 | bool | 
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|  | 92 | SelectiveIterator<_Target,_Container,_Descriptor>::operator!=(const SelectiveIterator<_Target,_Container,_Descriptor>& rhs){ | 
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|  | 93 | return state!=rhs.state; | 
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|  | 94 | } | 
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|  | 95 |  | 
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|  | 96 | template<class _Target, | 
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|  | 97 | class _Container, | 
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|  | 98 | class _Descriptor> | 
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|  | 99 | typename SelectiveIterator<_Target,_Container,_Descriptor>::Target | 
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|  | 100 | SelectiveIterator<_Target,_Container,_Descriptor>::operator*(){ | 
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|  | 101 | return _take<_Target,value_type>::get(*state); | 
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|  | 102 | } | 
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|  | 103 |  | 
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|  | 104 | template<class _Target, | 
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|  | 105 | class _Container, | 
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|  | 106 | class _Descriptor> | 
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|  | 107 | void | 
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|  | 108 | SelectiveIterator<_Target,_Container,_Descriptor>::advanceState(){ | 
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|  | 109 | // go forward until we have a matching atom or the end is reached | 
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|  | 110 | while((state!=content.end()) && (!descr->predicate(*state))){ | 
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|  | 111 | ++state; | 
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|  | 112 | ++index; | 
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|  | 113 | } | 
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|  | 114 | } | 
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|  | 115 |  | 
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|  | 116 | template<class _Target, | 
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|  | 117 | class _Container, | 
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|  | 118 | class _Descriptor> | 
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|  | 119 | int | 
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|  | 120 | SelectiveIterator<_Target,_Container,_Descriptor>::getCount(){ | 
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|  | 121 | return index; | 
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|  | 122 | } | 
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|  | 123 |  | 
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|  | 124 |  | 
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|  | 125 | #define CONSTRUCT_SELECTIVE_ITERATOR(_Target,_Container,_Descriptor) \ | 
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|  | 126 | template SelectiveIterator<_Target,_Container,_Descriptor>::SelectiveIterator(_Descriptor, _Container&); \ | 
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|  | 127 | template SelectiveIterator<_Target,_Container,_Descriptor>::SelectiveIterator(_Descriptor, _Container&, SelectiveIterator<_Target,_Container,_Descriptor>::Iter); \ | 
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|  | 128 | template SelectiveIterator<_Target,_Container,_Descriptor>::SelectiveIterator(const SelectiveIterator<_Target,_Container,_Descriptor>&); \ | 
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|  | 129 | template SelectiveIterator<_Target,_Container,_Descriptor>& SelectiveIterator<_Target,_Container,_Descriptor>::operator=(const SelectiveIterator<_Target,_Container,_Descriptor>&); \ | 
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|  | 130 | template SelectiveIterator<_Target,_Container,_Descriptor>& SelectiveIterator<_Target,_Container,_Descriptor>::operator++(); \ | 
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|  | 131 | template SelectiveIterator<_Target,_Container,_Descriptor> SelectiveIterator<_Target,_Container,_Descriptor>::operator++(int); \ | 
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|  | 132 | template bool SelectiveIterator<_Target,_Container,_Descriptor>::operator==(const SelectiveIterator<_Target,_Container,_Descriptor>&); \ | 
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|  | 133 | template bool SelectiveIterator<_Target,_Container,_Descriptor>::operator!=(const SelectiveIterator<_Target,_Container,_Descriptor>&); \ | 
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|  | 134 | template SelectiveIterator<_Target,_Container,_Descriptor>::Target SelectiveIterator<_Target,_Container,_Descriptor>::operator*(); \ | 
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|  | 135 | template int SelectiveIterator<_Target,_Container,_Descriptor>::getCount(); | 
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|  | 136 |  | 
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|  | 137 | #endif /* SELECTIVEITERATOR_IMPL_HPP_ */ | 
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