TagLib  1.13.1
tmap.h
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2  copyright : (C) 2002 - 2008 by Scott Wheeler
3  email : wheeler@kde.org
4  ***************************************************************************/
5 
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25 
26 #ifndef TAGLIB_MAP_H
27 #define TAGLIB_MAP_H
28 
29 #include <map>
30 
31 #include "taglib.h"
32 
33 namespace TagLib {
34 
36 
43  template <class Key, class T> class Map
44  {
45  public:
46 #ifndef DO_NOT_DOCUMENT
47 #ifdef WANT_CLASS_INSTANTIATION_OF_MAP
48  // Some STL implementations get snippy over the use of the
49  // class keyword to distinguish different templates; Sun Studio
50  // in particular finds multiple specializations in certain rare
51  // cases and complains about that. GCC doesn't seem to mind,
52  // and uses the typedefs further below without the class keyword.
53  // Not all the specializations of Map can use the class keyword
54  // (when T is not actually a class type), so don't apply this
55  // generally.
56  typedef typename std::map<class Key, class T>::iterator Iterator;
57  typedef typename std::map<class Key, class T>::const_iterator ConstIterator;
58 #else
59  typedef typename std::map<Key, T>::iterator Iterator;
60  typedef typename std::map<Key, T>::const_iterator ConstIterator;
61 #endif
62 #endif
63 
67  Map();
68 
74  Map(const Map<Key, T> &m);
75 
79  virtual ~Map();
80 
85  Iterator begin();
86 
91  ConstIterator begin() const;
92 
97  Iterator end();
98 
103  ConstIterator end() const;
104 
109  Map<Key, T> &insert(const Key &key, const T &value);
110 
116 
122  unsigned int size() const;
123 
129  bool isEmpty() const;
130 
134  Iterator find(const Key &key);
135 
139  ConstIterator find(const Key &key) const;
140 
144  bool contains(const Key &key) const;
145 
149  Map<Key, T> &erase(Iterator it);
150 
154  Map<Key, T> &erase(const Key &key);
155 
162  T value(const Key &key, const T &defaultValue = T()) const;
163 
169  const T &operator[](const Key &key) const;
170 
176  T &operator[](const Key &key);
177 
184 
188  void swap(Map<Key, T> &m);
189 
190  protected:
191  /*
192  * If this List is being shared via implicit sharing, do a deep copy of the
193  * data and separate from the shared members. This should be called by all
194  * non-const subclass members.
195  */
196  void detach();
197 
198  private:
199 #ifndef DO_NOT_DOCUMENT
200  template <class KeyP, class TP> class MapPrivate;
201  MapPrivate<Key, T> *d;
202 #endif
203  };
204 
205 } // namespace TagLib
206 
207 // Since GCC doesn't support the "export" keyword, we have to include the
208 // implementation.
209 
210 #include "tmap.tcc"
211 
212 #endif
A generic, implicitly shared map.
Definition: tmap.h:44
bool isEmpty() const
T value(const Key &key, const T &defaultValue=T()) const
Map< Key, T > & erase(Iterator it)
Iterator begin()
Map< Key, T > & clear()
const T & operator[](const Key &key) const
Iterator find(const Key &key)
Map< Key, T > & insert(const Key &key, const T &value)
ConstIterator find(const Key &key) const
T & operator[](const Key &key)
unsigned int size() const
bool contains(const Key &key) const
ConstIterator end() const
Map< Key, T > & operator=(const Map< Key, T > &m)
virtual ~Map()
ConstIterator begin() const
Map< Key, T > & erase(const Key &key)
void detach()
void swap(Map< Key, T > &m)
Iterator end()
Map(const Map< Key, T > &m)
A namespace for all TagLib related classes and functions.
Definition: apefile.h:41