COIN-OR::LEMON - Graph Library

source: lemon-0.x/src/lemon/default_map.h @ 1267:a93f94dbe3d3

Last change on this file since 1267:a93f94dbe3d3 was 1267:a93f94dbe3d3, checked in by Balazs Dezso, 15 years ago

First version of iterable maps.

File size: 6.0 KB
Line 
1/* -*- C++ -*-
2 * src/lemon/default_map.h - Part of LEMON, a generic C++ optimization library
3 *
4 * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
5 * (Egervary Combinatorial Optimization Research Group, EGRES).
6 *
7 * Permission to use, modify and distribute this software is granted
8 * provided that this copyright notice appears in all copies. For
9 * precise terms see the accompanying LICENSE file.
10 *
11 * This software is provided "AS IS" with no warranty of any kind,
12 * express or implied, and with no claim as to its suitability for any
13 * purpose.
14 *
15 */
16
17#ifndef LEMON_DEFAULT_MAP_H
18#define LEMON_DEFAULT_MAP_H
19
20
21#include <lemon/array_map.h>
22#include <lemon/vector_map.h>
23
24///\ingroup graphmaps
25///\file
26///\brief Graph maps that construct and destruct
27///their elements dynamically.
28
29namespace lemon {
30
31/// \addtogroup graphmaps
32/// @{
33
34  /** The ArrayMap template class is graph map structure what
35   *  automatically updates the map when a key is added to or erased from
36   *  the map. This map uses the VectorMap if the Value is a primitive
37   *  type and the ArrayMap for the other cases.
38   *
39   *  The template parameter is the MapRegistry that the maps
40   *  will belong to and the Value.
41   */
42
43
44
45  template <typename _Graph, typename _Item, typename _Value>
46  struct DefaultMapSelector {
47    typedef ArrayMap<_Graph, _Item, _Value> Map;
48  };
49
50  // bool
51  template <typename _Graph, typename _Item>
52  struct DefaultMapSelector<_Graph, _Item, bool> {
53    typedef VectorMap<_Graph, _Item, bool> Map;
54  };
55
56  // char
57  template <typename _Graph, typename _Item>
58  struct DefaultMapSelector<_Graph, _Item, char> {
59    typedef VectorMap<_Graph, _Item, char> Map;
60  };
61
62  template <typename _Graph, typename _Item>
63  struct DefaultMapSelector<_Graph, _Item, signed char> {
64    typedef VectorMap<_Graph, _Item, signed char> Map;
65  };
66
67  template <typename _Graph, typename _Item>
68  struct DefaultMapSelector<_Graph, _Item, unsigned char> {
69    typedef VectorMap<_Graph, _Item, unsigned char> Map;
70  };
71
72
73  // int
74  template <typename _Graph, typename _Item>
75  struct DefaultMapSelector<_Graph, _Item, signed int> {
76    typedef VectorMap<_Graph, _Item, signed int> Map;
77  };
78
79  template <typename _Graph, typename _Item>
80  struct DefaultMapSelector<_Graph, _Item, unsigned int> {
81    typedef VectorMap<_Graph, _Item, unsigned int> Map;
82  };
83
84
85  // short
86  template <typename _Graph, typename _Item>
87  struct DefaultMapSelector<_Graph, _Item, signed short> {
88    typedef VectorMap<_Graph, _Item, signed short> Map;
89  };
90
91  template <typename _Graph, typename _Item>
92  struct DefaultMapSelector<_Graph, _Item, unsigned short> {
93    typedef VectorMap<_Graph, _Item, unsigned short> Map;
94  };
95
96
97  // long
98  template <typename _Graph, typename _Item>
99  struct DefaultMapSelector<_Graph, _Item, signed long> {
100    typedef VectorMap<_Graph, _Item, signed long> Map;
101  };
102
103  template <typename _Graph, typename _Item>
104  struct DefaultMapSelector<_Graph, _Item, unsigned long> {
105    typedef VectorMap<_Graph, _Item, unsigned long> Map;
106  };
107
108  // \todo handling long long type
109
110
111  // float
112  template <typename _Graph, typename _Item>
113  struct DefaultMapSelector<_Graph, _Item, float> {
114    typedef VectorMap<_Graph, _Item, float> Map;
115  };
116
117
118  // double
119  template <typename _Graph, typename _Item>
120  struct DefaultMapSelector<_Graph, _Item, double> {
121    typedef VectorMap<_Graph, _Item,  double> Map;
122  };
123
124
125  // long double
126  template <typename _Graph, typename _Item>
127  struct DefaultMapSelector<_Graph, _Item, long double> {
128    typedef VectorMap<_Graph, _Item, long double> Map;
129  };
130
131
132  // pointer
133  template <typename _Graph, typename _Item, typename _Ptr>
134  struct DefaultMapSelector<_Graph, _Item, _Ptr*> {
135    typedef VectorMap<_Graph, _Item, _Ptr*> Map;
136  };
137
138
139
140  template <
141    typename _Graph,
142    typename _Item,
143    typename _Value>
144  class DefaultMap
145    : public DefaultMapSelector<_Graph, _Item, _Value>::Map {
146  public:
147    typedef typename DefaultMapSelector<_Graph, _Item, _Value>::Map Parent;
148    typedef DefaultMap<_Graph, _Item, _Value> Map;
149   
150    typedef typename Parent::Graph Graph;
151    typedef typename Parent::Value Value;
152
153    DefaultMap(const Graph& _g) : Parent(_g) {}
154    DefaultMap(const Graph& _g, const Value& _v) : Parent(_g, _v) {}
155  };
156
157
158
159  template <typename _Base>
160  class DefaultMappableGraphExtender : public _Base {
161  public:
162
163    typedef DefaultMappableGraphExtender<_Base> Graph;
164    typedef _Base Parent;
165
166    typedef typename Parent::Node Node;
167    typedef typename Parent::NodeIt NodeIt;
168
169    typedef typename Parent::Edge Edge;
170    typedef typename Parent::EdgeIt EdgeIt;
171
172   
173    template <typename _Value>
174    class NodeMap
175      : public IterableMapExtender<DefaultMap<Graph, Node, _Value> > {
176    public:
177      typedef DefaultMappableGraphExtender Graph;
178      typedef IterableMapExtender<DefaultMap<Graph, Node, _Value> > Parent;
179
180      NodeMap(const Graph& _g)
181        : Parent(_g) {}
182      NodeMap(const Graph& _g, const _Value& _v)
183        : Parent(_g, _v) {}
184    };
185
186    template <typename _Value>
187    class EdgeMap
188      : public IterableMapExtender<DefaultMap<Graph, Edge, _Value> > {
189    public:
190      typedef DefaultMappableGraphExtender Graph;
191      typedef IterableMapExtender<DefaultMap<Graph, Edge, _Value> > Parent;
192
193      EdgeMap(const Graph& _g)
194        : Parent(_g) {}
195      EdgeMap(const Graph& _g, const _Value& _v)
196        : Parent(_g, _v) {}
197    };
198   
199  };
200
201  template <typename _Base>
202  class MappableUndirGraphExtender :
203    public DefaultMappableGraphExtender<_Base> {
204  public:
205
206    typedef MappableUndirGraphExtender Graph;
207    typedef DefaultMappableGraphExtender<_Base> Parent;
208
209    typedef typename Parent::UndirEdge UndirEdge;
210
211    template <typename _Value>
212    class UndirEdgeMap
213      : public IterableMapExtender<DefaultMap<Graph, UndirEdge, _Value> > {
214    public:
215      typedef MappableUndirGraphExtender Graph;
216      typedef IterableMapExtender<
217        DefaultMap<Graph, UndirEdge, _Value> > Parent;
218
219      UndirEdgeMap(const Graph& _g)
220        : Parent(_g) {}
221      UndirEdgeMap(const Graph& _g, const _Value& _v)
222        : Parent(_g, _v) {}
223    };
224
225
226  };
227
228}
229
230#endif
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