| [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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