| [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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| [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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| [952f38] | 17 | #include "Helpers/helpers.hpp"
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| [6e97e5] | 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 | SelectiveIterator<_Target,_Container,_Descriptor>::SelectiveIterator(_Descriptor _descr, _Container &_content) :
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 | 23 |     descr(_descr.get_impl()),
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 | 24 |     index(0),
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 | 25 |     content(_content)
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 | 26 | {
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 | 27 |   state = content.begin();
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 | 28 |   advanceState();
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 | 29 | }
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 | 30 | 
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 | 31 | template<class _Target,
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 | 32 |          class _Container,
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 | 33 |          class _Descriptor>
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 | 34 | SelectiveIterator<_Target,_Container,_Descriptor>::SelectiveIterator(_Descriptor _descr, _Container &_content, SelectiveIterator<_Target,_Container,_Descriptor>::Iter _state) :
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 | 35 |     state(_state),
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 | 36 |     descr(_descr.get_impl()),
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 | 37 |     index(0),
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 | 38 |     content(_content)
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 | 39 | {
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 | 40 |   advanceState();
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 | 41 | }
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 | 42 | 
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 | 43 | template<class _Target,
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 | 44 |          class _Container,
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 | 45 |          class _Descriptor>
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 | 46 | SelectiveIterator<_Target,_Container,_Descriptor>::SelectiveIterator(const SelectiveIterator<_Target,_Container,_Descriptor>& rhs) :
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 | 47 |     state(rhs.state),
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 | 48 |     descr(rhs.descr),
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 | 49 |     index(rhs.index),
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 | 50 |     content(rhs.content)
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 | 51 |   {}
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 | 52 | 
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 | 53 | template<class _Target,
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 | 54 |          class _Container,
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 | 55 |          class _Descriptor>
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 | 56 | SelectiveIterator<_Target,_Container,_Descriptor>& SelectiveIterator<_Target,_Container,_Descriptor>::operator=(const SelectiveIterator<_Target,_Container,_Descriptor>& rhs)
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 | 57 | {
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 | 58 |   if(&rhs!=this){
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 | 59 |     state=rhs.state;
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 | 60 |     descr=rhs.descr;
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 | 61 |     index=rhs.index;
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 | 62 |   }
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 | 63 |   return *this;
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 | 64 | }
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 | 65 | 
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 | 66 | template<class _Target,
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 | 67 |          class _Container,
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 | 68 |          class _Descriptor>
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 | 69 | SelectiveIterator<_Target,_Container,_Descriptor>&
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 | 70 |   SelectiveIterator<_Target,_Container,_Descriptor>::operator++(){
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 | 71 |     ++state;
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 | 72 |     ++index;
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 | 73 |     advanceState();
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 | 74 |     return *this;
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 | 75 |   }
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 | 76 | 
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 | 77 | template<class _Target,
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 | 78 |          class _Container,
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 | 79 |          class _Descriptor>
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 | 80 | SelectiveIterator<_Target,_Container,_Descriptor> SelectiveIterator<_Target,_Container,_Descriptor>::operator++(int){
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 | 81 |     SelectiveIterator<_Target,_Container,_Descriptor> res = SelectiveIterator<_Target,_Container,_Descriptor>(*this);
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 | 82 |     ++(*this);
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 | 83 |     return res;
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 | 84 |   }
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 | 85 | 
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 | 86 | template<class _Target,
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 | 87 |          class _Container,
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 | 88 |          class _Descriptor>
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 | 89 | bool
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 | 90 |   SelectiveIterator<_Target,_Container,_Descriptor>::operator==(const SelectiveIterator<_Target,_Container,_Descriptor>& rhs){
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 | 91 |     return state==rhs.state;
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 | 92 |   }
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 | 93 | 
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 | 94 | template<class _Target,
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 | 95 |          class _Container,
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 | 96 |          class _Descriptor>
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 | 97 | bool
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 | 98 |   SelectiveIterator<_Target,_Container,_Descriptor>::operator!=(const SelectiveIterator<_Target,_Container,_Descriptor>& rhs){
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 | 99 |     return state!=rhs.state;
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 | 100 |   }
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 | 101 | 
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 | 102 | template<class _Target,
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 | 103 |          class _Container,
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 | 104 |          class _Descriptor>
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 | 105 | typename SelectiveIterator<_Target,_Container,_Descriptor>::Target
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 | 106 |   SelectiveIterator<_Target,_Container,_Descriptor>::operator*(){
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 | 107 |     return _take<_Target,value_type>::get(*state);
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 | 108 |   }
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 | 109 | 
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 | 110 | template<class _Target,
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 | 111 |          class _Container,
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 | 112 |          class _Descriptor>
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 | 113 | void
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 | 114 |   SelectiveIterator<_Target,_Container,_Descriptor>::advanceState(){
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 | 115 |     // go forward until we have a matching atom or the end is reached
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 | 116 |     while((state!=content.end()) && (!descr->predicate(*state))){
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 | 117 |       ++state;
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 | 118 |       ++index;
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 | 119 |     }
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 | 120 |   }
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 | 121 | 
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 | 122 | template<class _Target,
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 | 123 |          class _Container,
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 | 124 |          class _Descriptor>
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 | 125 | int
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 | 126 |   SelectiveIterator<_Target,_Container,_Descriptor>::getCount(){
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 | 127 |     return index;
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 | 128 |   }
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 | 129 | 
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 | 130 | 
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 | 131 | #define CONSTRUCT_SELECTIVE_ITERATOR(_Target,_Container,_Descriptor) \
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 | 132 |                 template SelectiveIterator<_Target,_Container,_Descriptor>::SelectiveIterator(_Descriptor, _Container&); \
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 | 133 |                 template SelectiveIterator<_Target,_Container,_Descriptor>::SelectiveIterator(_Descriptor, _Container&, SelectiveIterator<_Target,_Container,_Descriptor>::Iter); \
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 | 134 |     template SelectiveIterator<_Target,_Container,_Descriptor>::SelectiveIterator(const SelectiveIterator<_Target,_Container,_Descriptor>&); \
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 | 135 |     template SelectiveIterator<_Target,_Container,_Descriptor>& SelectiveIterator<_Target,_Container,_Descriptor>::operator=(const SelectiveIterator<_Target,_Container,_Descriptor>&); \
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 | 136 |     template SelectiveIterator<_Target,_Container,_Descriptor>& SelectiveIterator<_Target,_Container,_Descriptor>::operator++(); \
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 | 137 |     template SelectiveIterator<_Target,_Container,_Descriptor> SelectiveIterator<_Target,_Container,_Descriptor>::operator++(int); \
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 | 138 |     template bool SelectiveIterator<_Target,_Container,_Descriptor>::operator==(const SelectiveIterator<_Target,_Container,_Descriptor>&); \
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 | 139 |     template bool SelectiveIterator<_Target,_Container,_Descriptor>::operator!=(const SelectiveIterator<_Target,_Container,_Descriptor>&); \
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 | 140 |     template SelectiveIterator<_Target,_Container,_Descriptor>::Target SelectiveIterator<_Target,_Container,_Descriptor>::operator*(); \
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 | 141 |     template int SelectiveIterator<_Target,_Container,_Descriptor>::getCount();
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 | 142 | 
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 | 143 | #endif /* SELECTIVEITERATOR_IMPL_HPP_ */
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