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 "Descriptors/DescriptorBase.hpp"
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12 | #include <utility>
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13 | #include <boost/bind.hpp>
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14 |
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15 | template<class _Target,
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16 | class _Container>
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17 | class DescriptorBase_impl{
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18 | public:
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19 | typedef _Target Target;
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20 | typedef std::vector<Target> TargetVec;
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21 | typedef _Container Container;
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22 | typedef typename Container::value_type value_type;
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23 | typedef typename Container::iterator iterator;
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24 |
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25 | DescriptorBase_impl();
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26 | ~DescriptorBase_impl();
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27 |
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28 | virtual bool predicate(value_type)=0;
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29 |
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30 | virtual Target find(Container&);
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31 | virtual TargetVec findAll(Container&);
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32 | protected:
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33 | const _take<Target,value_type> take;
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34 | };
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35 |
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36 | template<class _Target,
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37 | class _Container>
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38 | DescriptorBase_impl<_Target,_Container>::DescriptorBase_impl(){}
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39 |
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40 | template<class _Target,
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41 | class _Container>
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42 | DescriptorBase_impl<_Target,_Container>::~DescriptorBase_impl(){}
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43 |
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44 | template<class _Target,
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45 | class _Container>
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46 | typename DescriptorBase_impl<_Target,_Container>::Target
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47 | DescriptorBase_impl<_Target,_Container>::find(DescriptorBase_impl<_Target,_Container>::Container& container){
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48 | iterator res = find_if(container.begin(),
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49 | container.end(),
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50 | boost::bind(&DescriptorBase_impl<_Target,_Container>::predicate,this,_1));
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51 | return (res!=container.end())?(take(*res)):0;
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52 | }
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53 |
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54 | template<class _Target,
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55 | class _Container>
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56 | typename DescriptorBase_impl<_Target,_Container>::TargetVec
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57 | DescriptorBase_impl<_Target,_Container>::findAll(DescriptorBase_impl<_Target,_Container>::Container& container) {
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58 | TargetVec res;
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59 | iterator iter;
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60 | for(iter=container.begin();iter!=container.end();++iter) {
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61 | if(predicate(*iter)){
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62 | res.push_back(take(*iter));
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63 | }
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64 | }
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65 | return res;
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66 | }
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67 |
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68 | #endif /* DESCRIPTORBASE_IMPL_HPP_ */
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