libzypp: zypp/Capabilities.h Source File

libzypp 17.38.5

Capabilities.h
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12#ifndef ZYPP_SAT_CAPABILITIES_H
13#define ZYPP_SAT_CAPABILITIES_H
14
15#include <iosfwd>
16
17#include <zypp-core/base/DefaultIntegral>
18#include <zypp/sat/detail/PoolMember.h>
19#include <zypp/Capability.h>
20
22namespace zypp
23{
24
26 //
27 // CLASS NAME : Capabilities
28 //
35 class ZYPP_API Capabilities
36 {
37 public:
38 typedef Capability value_type;
39 typedef unsigned size_type;
40
41 enum Mode { SKIP_TO_INTERNAL };
42
43 public:
45 Capabilities()
46 : _begin( 0 )
47 {}
48
50 explicit
51 Capabilities( const sat::detail::IdType * base_r )
52 : _begin( base_r )
53 {}
54
58 Capabilities( const sat::detail::IdType * base_r, sat::detail::IdType skip_r );
59
60 public:
62 bool empty() const
63 { return ! ( _begin && *_begin ); }
64
66 size_type size() const;
67
68 public:
69 class const_iterator;
70
72 const_iterator begin() const;
73
75 const_iterator end() const;
76
77 public:
79 bool contains( const Capability & lhs ) const;
80
82 bool matches( const Capability & lhs ) const;
83
85 Capability findFirstMatch( const Capability & lhs ) const;
86
87 private:
88 const sat::detail::IdType * _begin;
89 };
90
91
93 std::ostream & operator<<( std::ostream & str, const Capabilities & obj );
94
96 //
97 // CLASS NAME : Capabilities::const_iterator
98 //
101 class Capabilities::const_iterator : public boost::iterator_adaptor<
102 const_iterator // Derived
103 , const sat::detail::IdType * // Base
104 , const Capability // Value
105 , boost::forward_traversal_tag // CategoryOrTraversal
106 , const Capability // Reference
107 >
108 {
109 public:
110 const_iterator()
111 : const_iterator::iterator_adaptor_( 0 )
112 {}
113
114 explicit const_iterator( const sat::detail::IdType * _idx )
115 : const_iterator::iterator_adaptor_( _idx )
116 {
117 if ( base_reference() && sat::detail::isDepMarkerId( *base_reference() ) )
118 {
119 _tagged = true;
120 ++base_reference();
121 }
122 }
123
124 public:
142 bool tagged() const { return _tagged; }
143
144 private:
145 friend class boost::iterator_core_access;
146
147 reference dereference() const
148 { return ( base() ) ? Capability( *base() ) : Capability::Null; }
149
150 template <class OtherDerived, class OtherIterator, class V, class C, class R, class D>
151 bool equal( const boost::iterator_adaptor<OtherDerived, OtherIterator, V, C, R, D> & rhs ) const
152 { // NULL pointer is eqal pointer to Id 0
153 return ( base() == rhs.base() // includes both NULL...
154 || ( !rhs.base() && !*base() )
155 || ( !base() && !*rhs.base() ) );
156 }
157
158 void increment()
159 { // jump over libsolvs internal ids.
160 if ( sat::detail::isDepMarkerId( *(++base_reference()) ) )
161 {
162 _tagged = true;
163 ++base_reference();
164 }
165 }
166
167 private:
168 DefaultIntegral<bool,false> _tagged;
169 };
170
171
172 inline Capabilities::const_iterator Capabilities::begin() const
173 { return const_iterator( _begin ); }
174
175 inline Capabilities::const_iterator Capabilities::end() const
176 { return const_iterator( 0 ); }
177
178 inline bool Capabilities::contains( const Capability & lhs ) const
179 {
180 for ( const Capability & rhs : *this )
181 if ( lhs == rhs )
182 return true;
183 return false;
184 }
185
186 inline bool Capabilities::matches( const Capability & lhs ) const
187 {
188 for ( const Capability & rhs : *this )
189 if ( lhs.matches( rhs ) == CapMatch::yes )
190 return true;
191 return false;
192 }
193
194 inline Capability Capabilities::findFirstMatch( const Capability & lhs ) const
195 {
196 for ( const Capability & rhs : *this )
197 if ( lhs.matches( rhs ) == CapMatch::yes )
198 return rhs;
199 return Capability::Null;
200 }
201
203} // namespace zypp
205#endif // ZYPP_SAT_CAPABILITIES_H
Capability.h
PoolMember.h
zypp::CapMatch::yes
static const CapMatch yes
Definition CapMatch.h:52
zypp::Capabilities::const_iterator
Capabilities iterator.
Definition Capabilities.h:108
zypp::Capabilities::const_iterator::_tagged
DefaultIntegral< bool, false > _tagged
Definition Capabilities.h:168
zypp::Capabilities::const_iterator::increment
void increment()
Definition Capabilities.h:158
zypp::Capabilities::const_iterator::const_iterator
const_iterator()
Definition Capabilities.h:110
zypp::Capabilities::const_iterator::equal
bool equal(const boost::iterator_adaptor< OtherDerived, OtherIterator, V, C, R, D > &rhs) const
Definition Capabilities.h:151
zypp::Capabilities::const_iterator::dereference
reference dereference() const
Definition Capabilities.h:147
zypp::Capabilities::const_iterator::const_iterator
const_iterator(const sat::detail::IdType *_idx)
Definition Capabilities.h:114
zypp::Capabilities::const_iterator::iterator_core_access
friend class boost::iterator_core_access
Definition Capabilities.h:145
zypp::Capabilities::const_iterator::tagged
bool tagged() const
Return true if the Capability is tagged.
Definition Capabilities.h:142
zypp::Capabilities
Container of Capability (currently read only).
Definition Capabilities.h:36
zypp::Capabilities::value_type
Capability value_type
Definition Capabilities.h:38
zypp::Capabilities::Capabilities
Capabilities(const sat::detail::IdType *base_r)
Ctor from Id pointer (friend Solvable).
Definition Capabilities.h:51
zypp::Capabilities::contains
bool contains(const Capability &lhs) const
Return whether the set contains lhs (the Id).
Definition Capabilities.h:178
zypp::Capabilities::begin
const_iterator begin() const
Iterator pointing to the first Capability.
Definition Capabilities.h:172
zypp::Capabilities::matches
bool matches(const Capability &lhs) const
Return whether lhs matches at least one capability in set.
Definition Capabilities.h:186
zypp::Capabilities::findFirstMatch
Capability findFirstMatch(const Capability &lhs) const
Return the first matching Capability in set or Capability::Null.
Definition Capabilities.h:194
zypp::Capabilities::end
const_iterator end() const
Iterator pointing behind the last Capability.
Definition Capabilities.h:175
zypp::Capabilities::size_type
unsigned size_type
Definition Capabilities.h:39
zypp::Capabilities::_begin
const sat::detail::IdType * _begin
Definition Capabilities.h:88
zypp::Capabilities::empty
bool empty() const
Whether the container is empty.
Definition Capabilities.h:62
zypp::Capabilities::Mode
Mode
Definition Capabilities.h:41
zypp::Capabilities::SKIP_TO_INTERNAL
@ SKIP_TO_INTERNAL
Definition Capabilities.h:41
zypp::Capabilities::Capabilities
Capabilities()
Default ctor.
Definition Capabilities.h:45
zypp::Capability
A sat capability.
Definition Capability.h:63
zypp::Capability::Null
static const Capability Null
No or Null Capability ( Id 0 ).
Definition Capability.h:172
zypp::Capability::matches
static CapMatch matches(const Capability &lhs, const Capability &rhs)
Definition Capability.h:211
zypp::DefaultIntegral
Integral type with defined initial value when default constructed.
Definition defaultintegral.h:42
str
String related utilities and Regular expression matching.
zypp::base
Definition Random.cc:7
zypp::sat::detail::IdType
int IdType
Generic Id type.
Definition PoolMember.h:104
zypp::sat::detail::isDepMarkerId
bool isDepMarkerId(IdType id_r)
Test for internal ids satlib includes in dependencies.
Definition PoolMember.h:119
zypp
Easy-to use interface to the ZYPP dependency resolver.
Definition CodePitfalls.doc:2
zypp::operator<<
std::ostream & operator<<(std::ostream &str, const SerialNumber &obj)
Definition SerialNumber.cc:52
zypp::contains
bool contains(const Container &c, const Elem &elem)
Definition Algorithm.h:70
zypp::ZYPP_API
const Arch Arch_armv7hnl Arch_armv7nhl ZYPP_API
Definition Arch.h:247