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Map.h
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1 #ifndef GAUDIKERNEL_MAP_H
2 #define GAUDIKERNEL_MAP_H 1
3 // ============================================================================
4 // Include files
5 // ============================================================================
6 // STD & STL
7 // ============================================================================
8 #include <map>
9 // ============================================================================
10 // GaudiKernel
11 // ============================================================================
12 #include "GaudiKernel/MapBase.h"
13 // ============================================================================
14 namespace GaudiUtils
15 {
16 // ==========================================================================
81 template <typename K, typename T, typename M = std::map<K,T> >
82 class Map : public Gaudi::Utils::MapBase
83 {
84 public:
85 // ========================================================================
86 // ---- types
87 typedef M map_type;
88 typedef K key_type;
89 typedef T mapped_type;
90
91 // -- from unary_function
92 typedef K argument_type;
93 typedef T result_type;
94 typedef std::pair<const K,T> value_type;
95 typedef const value_type& const_reference;
96
97 typedef typename map_type::size_type size_type;
98
99 typedef typename map_type::iterator iterator;
100 typedef typename map_type::const_iterator const_iterator;
101 // typedef typename map_type::reverse_iterator reverse_iterator;
102 // typedef typename map_type::const_reverse_iterator const_reverse_iterator;
103 // ========================================================================
104 protected:
105 // ========================================================================
106 map_type m_map;
107 static const result_type s_null_value;
108 // ========================================================================
109 public:
110 // ---- Constructors
111
113 Map() = default ;
114
116 Map(const map_type& other): m_map(other) {}
117
118 // /// Copy Constructor
119 // Map(const Map& other): m_map(other.m_map) {}
121 template <typename In>
122 Map(In&& first, In&& last): m_map(std::forward<In>(first),std::forward<In>(last)) {}
123
125 virtual ~Map() = default;
126
127 // ---- std::map interface
128
129 // -- iterators
130
131 inline iterator begin() { return m_map.begin(); }
132 inline iterator end() { return m_map.end(); }
133
134 inline const_iterator begin() const { return m_map.begin(); }
135 inline const_iterator end() const { return m_map.end(); }
136
137 // inline reverse_iterator rbegin() { return m_map.rbegin(); }
138 // inline reverse_iterator rend() { return m_map.rend(); }
139
140 // inline const_reverse_iterator rbegin() const { return m_map.rbegin(); }
141 // inline const_reverse_iterator rend() const { return m_map.rend(); }
142
143 // -- subscription
144
145 inline mapped_type &operator[] (const key_type &key) { return m_map[key]; }
146
147 // -- map operations
148
149 inline iterator find(const key_type &key) { return m_map.find(key); }
150 inline const_iterator find(const key_type &key) const { return m_map.find(key); }
151
152 inline size_type count(const key_type &key) const { return m_map.count(key); }
153
154 inline iterator lower_bound(const key_type &key) { return m_map.lower_bound(key); }
155 inline const_iterator lower_bound(const key_type &key) const { return m_map.lower_bound(key); }
156 inline iterator upper_bound(const key_type &key) { return m_map.upper_bound(key); }
157 inline const_iterator upper_bound(const key_type &key) const { return m_map.upper_bound(key); }
158
159 inline std::pair<iterator,iterator> equal_range(const key_type &key)
160 { return m_map.equal_range(key); }
161 inline std::pair<const_iterator,const_iterator> equal_range(const key_type &key) const
162 { return m_map.equal_range(key); }
163
164 // -- list operations
165 template< class... Args >
166 std::pair<iterator,bool> emplace( Args&&... args ) { return m_map.emplace(std::forward<Args>(args)...); }
167 template <typename ValueType>
168 inline std::pair<iterator,bool> insert(ValueType&& val) { return m_map.insert(std::forward<ValueType>(val)); }
169 inline std::pair<iterator,bool> insert(value_type&& val) { return m_map.insert(std::forward<value_type>(val)); }
170 template <typename In>
171 inline void insert(In&& first, In&& last) { m_map.insert(std::forward<In>(first),std::forward<In>(last)); }
172 template <typename ValueType>
173 inline iterator insert( iterator /* pos */ , ValueType && val)
174 { return m_map.insert( /* pos, */ std::forward<ValueType>(val) ).first ; }
175 inline iterator erase(const_iterator pos) { return m_map.erase(pos); }
176 inline size_type erase(const key_type &key) { return m_map.erase(key); }
177 inline iterator erase(const_iterator first, const_iterator last) { return m_map.erase(first,last); }
178 inline void clear() { m_map.clear(); }
179
180 // -- container operations
181
182 inline size_type size() const { return m_map.size(); }
183 inline size_type max_size() const { return m_map.max_size(); }
184 inline bool empty() const { return size() == 0; }
185 inline void swap(map_type& other) { m_map.swap(other); }
186
187 // ---- extra functionalities
188
211 inline const result_type &operator() ( const argument_type &key ) const
212 {
213 // static const result_type s_null_value;
214 auto it = m_map.find(key);
216 return it != m_map.end() ? it->second : s_null_value;
217 }
218 // ========================================================================
241 inline const mapped_type &operator[] ( const key_type &key ) const
242 { return (*this)(key); }
243 // ========================================================================
249 inline const result_type & at ( const argument_type &key ) const
250 {
251 return m_map.at(key);
252 }
253 // ========================================================================
255 inline Map& merge ( const map_type& other )
256 {
257 m_map.insert( std::begin(other), std::end(other) );
258 return *this;
259 }
261 inline Map& merge ( const Map& other )
262 {
263 m_map.insert( std::begin(other), std::end(other) );
264 return *this;
265 }
267 template <class K1,class K2, class K3>
268 inline Map& merge ( const Map<K1,K2,K3>& other )
269 {
270 m_map.insert( std::begin(other), std::end(other) );
271 return *this;
272 }
273 // update the key
274 void update
275 ( const key_type& key ,
276 const mapped_type& mapped ) { (*this)[ key ] = mapped ; }
277 // ========================================================================
278 public:
279 // ========================================================================
281 inline operator map_type &() { return m_map ; }
282 inline operator const map_type &() const { return m_map ; }
283 // ========================================================================
284 public:
285 // ========================================================================
291 const key_type& key_at ( const size_type index ) const
292 {
293 if ( index >= size() )
294 { this->throw_out_of_range_exception () ; }
295 return std::next ( this->begin() , index )->first ;
296 }
302 const mapped_type& value_at ( const size_type index ) const
303 {
304 if ( index >= size() )
305 { this->throw_out_of_range_exception () ; }
306 return std::next( this->begin() , index )->second ;
307 }
308 // ========================================================================
309 };
310 // ==========================================================================
311 template <typename K, typename T, typename M>
312 const typename Map<K,T,M>::result_type Map<K,T,M>::s_null_value = typename Map<K,T,M>::result_type();
313 // ==========================================================================
314 } // end of GaudiUtils namespace
315 // ============================================================================
316
317 // ============================================================================
318 // The END
319 // ============================================================================
320 #endif // GAUDIKERNEL_MAP_H
GaudiUtils::Map
Extension of the STL map.
Definition: Map.h:82
GaudiUtils::Map::argument_type
K argument_type
Definition: Map.h:92
GaudiUtils::Map::emplace
std::pair< iterator, bool > emplace(Args &&...args)
Definition: Map.h:166
GaudiUtils::Map::equal_range
std::pair< const_iterator, const_iterator > equal_range(const key_type &key) const
Definition: Map.h:161
GaudiUtils::Map::size
size_type size() const
Definition: Map.h:182
GaudiUtils::Map::end
const_iterator end() const
Definition: Map.h:135
gaudirun.default
default
Definition: gaudirun.py:141
gaudirun.args
args
Definition: gaudirun.py:236
GaudiUtils::Map::key_type
K key_type
Definition: Map.h:88
GaudiUtils::Map::s_null_value
static const result_type s_null_value
Definition: Map.h:107
std::unordered_map::swap
T swap(T...args)
GaudiUtils::Map::count
size_type count(const key_type &key) const
Definition: Map.h:152
GaudiUtils::Map::Map
Map(In &&first, In &&last)
Construct from a subset.
Definition: Map.h:122
std
STL namespace.
GaudiUtils::Map::at
const result_type & at(const argument_type &key) const
checked access to the map for missing keys
Definition: Map.h:249
GaudiUtils::Map::size_type
map_type::size_type size_type
Definition: Map.h:97
std::unordered_map::end
T end(T...args)
GaudiUtils::Map::erase
size_type erase(const key_type &key)
Definition: Map.h:176
GaudiUtils::Map::m_map
map_type m_map
Definition: Map.h:106
GaudiUtils::Map::insert
std::pair< iterator, bool > insert(value_type &&val)
Definition: Map.h:169
GaudiUtils::Map::insert
iterator insert(iterator, ValueType &&val)
Definition: Map.h:173
GaudiUtils::Map::update
void update(const key_type &key, const mapped_type &mapped)
Definition: Map.h:275
GaudiUtils::Map::equal_range
std::pair< iterator, iterator > equal_range(const key_type &key)
Definition: Map.h:159
GaudiUtils::Map::find
const_iterator find(const key_type &key) const
Definition: Map.h:150
std::unordered_map::at
T at(T...args)
GaudiUtils::Map::lower_bound
const_iterator lower_bound(const key_type &key) const
Definition: Map.h:155
GaudiUtils::Map::operator[]
mapped_type & operator[](const key_type &key)
Definition: Map.h:145
GaudiUtils::Map::end
iterator end()
Definition: Map.h:132
GaudiUtils::Map::map_type
M map_type
Definition: Map.h:87
GaudiUtils::Map::erase
iterator erase(const_iterator first, const_iterator last)
Definition: Map.h:177
GaudiUtils::Map::upper_bound
iterator upper_bound(const key_type &key)
Definition: Map.h:156
GaudiUtils::Map::operator()
const result_type & operator()(const argument_type &key) const
Allow to use Map as an unary function.
Definition: Map.h:211
std::next
T next(T...args)
GaudiUtils::Map::empty
bool empty() const
Definition: Map.h:184
GaudiUtils::Map::value_type
std::pair< const K, T > value_type
Definition: Map.h:94
GaudiUtils::Map::lower_bound
iterator lower_bound(const key_type &key)
Definition: Map.h:154
MapBase.h
std::unordered_map::erase
T erase(T...args)
GaudiUtils::Map::find
iterator find(const key_type &key)
Definition: Map.h:149
GaudiUtils::Map::value_at
const mapped_type & value_at(const size_type index) const
useful method for python decoration:
Definition: Map.h:302
GaudiUtils::Map::~Map
virtual ~Map()=default
Virtual destructor. You can inherit from this map type.
std::unordered_map::clear
T clear(T...args)
GaudiUtils::Map::const_iterator
map_type::const_iterator const_iterator
Definition: Map.h:100
std::unordered_map::count
T count(T...args)
GaudiUtils::Map::begin
iterator begin()
Definition: Map.h:131
std::pair
GaudiUtils::Map::merge
Map & merge(const Map &other)
Merge two maps.
Definition: Map.h:261
GaudiUtils::Map::insert
void insert(In &&first, In &&last)
Definition: Map.h:171
std::unordered_map::insert
T insert(T...args)
GaudiUtils::Map::mapped_type
T mapped_type
Definition: Map.h:89
std::unordered_map::find
T find(T...args)
std::unordered_map::size
T size(T...args)
GaudiUtils::Map::iterator
map_type::iterator iterator
Definition: Map.h:99
GaudiUtils::Map::erase
iterator erase(const_iterator pos)
Definition: Map.h:175
GaudiUtils::Map::swap
void swap(map_type &other)
Definition: Map.h:185
GaudiUtils::Map::key_at
const key_type & key_at(const size_type index) const
useful method for python decoration:
Definition: Map.h:291
std::unordered_map::begin
T begin(T...args)
GaudiUtils::Map::begin
const_iterator begin() const
Definition: Map.h:134
GaudiUtils::Map::Map
Map(const map_type &other)
Constructor from a standard map.
Definition: Map.h:116
GaudiUtils::Map::upper_bound
const_iterator upper_bound(const key_type &key) const
Definition: Map.h:157
GaudiUtils::Map::merge
Map & merge(const Map< K1, K2, K3 > &other)
Merge two maps.
Definition: Map.h:268
std::unordered_map::max_size
T max_size(T...args)
GaudiUtils
Forward declarations for the functions in SerializeSTL.h.
Definition: GaudiHistoID.h:149
std::unordered_map::emplace
T emplace(T...args)
GaudiUtils::Map::insert
std::pair< iterator, bool > insert(ValueType &&val)
Definition: Map.h:168
GaudiUtils::Map::clear
void clear()
Definition: Map.h:178
Gaudi::Utils::MapBase::throw_out_of_range_exception
void throw_out_of_range_exception() const
throw std::out_of_range exception
Definition: MapBase.cpp:28
Gaudi::Utils::MapBase
Helper base-class to allow the generic Python-decoration for all "map-like" classes in Gaudi...
Definition: MapBase.h:44
GaudiUtils::Map::merge
Map & merge(const map_type &other)
Merge two maps.
Definition: Map.h:255
GaudiUtils::Map::const_reference
const value_type & const_reference
Definition: Map.h:95
GaudiUtils::Map::max_size
size_type max_size() const
Definition: Map.h:183
GaudiUtils::Map::result_type
T result_type
Definition: Map.h:93
GaudiUtils::Map::Map
Map()=default
Standard constructor.
std::unordered_map::equal_range
T equal_range(T...args)