libzypp: zypp/base/Algorithm.h Source File

libzypp 17.38.9

Algorithm.h
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1/*---------------------------------------------------------------------\
2| ____ _ __ __ ___ |
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4| / / \ V /| _/ _/ |
5| / /__ | | | | | | |
6| /_____||_| |_| |_| |
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8\---------------------------------------------------------------------*/
12#ifndef ZYPP_BASE_ALGORITHM_H
13#define ZYPP_BASE_ALGORITHM_H
14
15#include <algorithm>
16
18namespace zypp
19{
20
29 template <class TIterator, class TFilter, class TFunction>
30 inline int invokeOnEach( TIterator begin_r, TIterator end_r,
31 TFilter filter_r,
32 TFunction fnc_r )
33 {
34 int cnt = 0;
35 for ( TIterator it = begin_r; it != end_r; ++it )
36 {
37 if ( filter_r( *it ) )
38 {
39 ++cnt;
40 if ( ! fnc_r( *it ) )
41 return -cnt;
42 }
43 }
44 return cnt;
45 }
46
55 template <class TIterator, class TFunction>
56 inline int invokeOnEach( TIterator begin_r, TIterator end_r,
57 TFunction fnc_r )
58 {
59 int cnt = 0;
60 for ( TIterator it = begin_r; it != end_r; ++it )
61 {
62 ++cnt;
63 if ( ! fnc_r( *it ) )
64 return -cnt;
65 }
66 return cnt;
67 }
68
69 template <class Container, class Elem>
70 bool contains ( const Container &c, const Elem &elem )
71 {
72 return ( std::find( c.begin(), c.end(), elem ) != c.end() );
73 }
74
75 template <class Container, class Fnc >
76 bool any_of ( const Container &c, Fnc &&cb )
77 {
78 return std::any_of( c.begin(), c.end(), std::forward<Fnc>(cb) );
79 }
80
82} // namespace zypp
84#endif // ZYPP_BASE_ALGORITHM_H
zypp
Easy-to use interface to the ZYPP dependency resolver.
Definition CodePitfalls.doc:2
zypp::any_of
bool any_of(const Container &c, Fnc &&cb)
Definition Algorithm.h:76
zypp::contains
bool contains(const Container &c, const Elem &elem)
Definition Algorithm.h:70
zypp::invokeOnEach
int invokeOnEach(TIterator begin_r, TIterator end_r, TFilter filter_r, TFunction fnc_r)
Iterate through [begin_r,end_r) and invoke fnc_r on each item that passes filter_r.
Definition Algorithm.h:30