source: src/Descriptors/DescriptorBase_impl.hpp@ 24c35a

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Last change on this file since 24c35a was 6e97e5, checked in by Tillmann Crueger <crueger@…>, 16 years ago

Added a generic Iterator that can be used to iterate only over certain parts of an internal data structure
  • Property mode set to 100644
File size: 1.9 KB
Line 
1/*
2 * DescriptorBase_impl.hpp
3 *
4 * Created on: Mar 12, 2010
5 * Author: crueger
6 */
7
8#ifndef DESCRIPTORBASE_IMPL_HPP_
9#define DESCRIPTORBASE_IMPL_HPP_
10
11#include "Descriptors/DescriptorBase.hpp"
12#include <utility>
13#include <boost/bind.hpp>
14
15template<class _Target,
16 class _Container>
17class DescriptorBase_impl{
18public:
19 typedef _Target Target;
20 typedef std::vector<Target> TargetVec;
21 typedef _Container Container;
22 typedef typename Container::value_type value_type;
23 typedef typename Container::iterator iterator;
24
25 DescriptorBase_impl();
26 ~DescriptorBase_impl();
27
28 virtual bool predicate(value_type)=0;
29
30 virtual Target find(Container&);
31 virtual TargetVec findAll(Container&);
32protected:
33 const _take<Target,value_type> take;
34};
35
36template<class _Target,
37 class _Container>
38DescriptorBase_impl<_Target,_Container>::DescriptorBase_impl(){}
39
40template<class _Target,
41 class _Container>
42DescriptorBase_impl<_Target,_Container>::~DescriptorBase_impl(){}
43
44template<class _Target,
45 class _Container>
46typename DescriptorBase_impl<_Target,_Container>::Target
47 DescriptorBase_impl<_Target,_Container>::find(DescriptorBase_impl<_Target,_Container>::Container& container){
48 iterator res = find_if(container.begin(),
49 container.end(),
50 boost::bind(&DescriptorBase_impl<_Target,_Container>::predicate,this,_1));
51 return (res!=container.end())?(take(*res)):0;
52 }
53
54template<class _Target,
55 class _Container>
56typename DescriptorBase_impl<_Target,_Container>::TargetVec
57 DescriptorBase_impl<_Target,_Container>::findAll(DescriptorBase_impl<_Target,_Container>::Container& container) {
58 TargetVec res;
59 iterator iter;
60 for(iter=container.begin();iter!=container.end();++iter) {
61 if(predicate(*iter)){
62 res.push_back(take(*iter));
63 }
64 }
65 return res;
66}
67
68#endif /* DESCRIPTORBASE_IMPL_HPP_ */
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