| 1 | /* | 
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| 2 | * DescriptorBase_impl.hpp | 
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| 3 | * | 
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| 4 | *  Created on: Mar 12, 2010 | 
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| 5 | *      Author: crueger | 
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| 6 | */ | 
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| 7 |  | 
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| 8 | #ifndef DESCRIPTORBASE_IMPL_HPP_ | 
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| 9 | #define DESCRIPTORBASE_IMPL_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 "Descriptors/DescriptorBase.hpp" | 
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| 18 | #include <utility> | 
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| 19 | #include <boost/bind.hpp> | 
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| 20 |  | 
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| 21 | template<class _Target, | 
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| 22 | class _Container> | 
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| 23 | class DescriptorBase_impl{ | 
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| 24 | public: | 
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| 25 | typedef _Target Target; | 
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| 26 | typedef std::vector<Target> TargetVec; | 
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| 27 | typedef _Container Container; | 
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| 28 | typedef typename Container::value_type value_type; | 
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| 29 | typedef typename Container::iterator iterator; | 
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| 30 |  | 
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| 31 | DescriptorBase_impl(); | 
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| 32 | ~DescriptorBase_impl(); | 
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| 33 |  | 
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| 34 | virtual bool predicate(value_type)=0; | 
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| 35 |  | 
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| 36 | virtual Target    find(Container&); | 
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| 37 | virtual TargetVec findAll(Container&); | 
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| 38 | protected: | 
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| 39 | const _take<Target,value_type> take; | 
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| 40 | }; | 
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| 41 |  | 
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| 42 | template<class _Target, | 
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| 43 | class _Container> | 
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| 44 | DescriptorBase_impl<_Target,_Container>::DescriptorBase_impl(){} | 
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| 45 |  | 
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| 46 | template<class _Target, | 
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| 47 | class _Container> | 
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| 48 | DescriptorBase_impl<_Target,_Container>::~DescriptorBase_impl(){} | 
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| 49 |  | 
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| 50 | template<class _Target, | 
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| 51 | class _Container> | 
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| 52 | typename DescriptorBase_impl<_Target,_Container>::Target | 
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| 53 | DescriptorBase_impl<_Target,_Container>::find(DescriptorBase_impl<_Target,_Container>::Container& container){ | 
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| 54 | iterator res = find_if(container.begin(), | 
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| 55 | container.end(), | 
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| 56 | boost::bind(&DescriptorBase_impl<_Target,_Container>::predicate,this,_1)); | 
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| 57 | return (res!=container.end())?(take(*res)):0; | 
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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 | typename DescriptorBase_impl<_Target,_Container>::TargetVec | 
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| 63 | DescriptorBase_impl<_Target,_Container>::findAll(DescriptorBase_impl<_Target,_Container>::Container& container) { | 
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| 64 | TargetVec res; | 
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| 65 | iterator iter; | 
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| 66 | for(iter=container.begin();iter!=container.end();++iter) { | 
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| 67 | if(predicate(*iter)){ | 
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| 68 | res.push_back(take(*iter)); | 
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| 69 | } | 
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| 70 | } | 
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| 71 | return res; | 
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| 72 | } | 
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| 73 |  | 
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| 74 | #endif /* DESCRIPTORBASE_IMPL_HPP_ */ | 
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