Changes in / [721:99124ea4f048:694:71939d63ae77] in lemon-main
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
lemon/maps.h
r721 r694 1826 1826 /// the items stored in the graph, which is returned by the \c id() 1827 1827 /// function of the graph. This map can be inverted with its member 1828 /// class \c InverseMap or with the \c operator() ()member.1828 /// class \c InverseMap or with the \c operator() member. 1829 1829 /// 1830 1830 /// \tparam GR The graph type. … … 1902 1902 1903 1903 /// This class provides simple invertable graph maps. 1904 /// It wraps a standard graph map (\c NodeMap, \c ArcMap or \c EdgeMap) 1905 /// and if a key is set to a new value, then stores it in the inverse map. 1904 /// It wraps an arbitrary \ref concepts::ReadWriteMap "ReadWriteMap" 1905 /// and if a key is set to a new value then store it 1906 /// in the inverse map. 1906 1907 /// The values of the map can be accessed 1907 1908 /// with stl compatible forward iterator. 1908 1909 /// 1909 1910 /// This type is not reference map, so it cannot be modified with 1910 /// the subscript operator.1911 /// the subscription operator. 1911 1912 /// 1912 1913 /// \tparam GR The graph type. … … 1924 1925 template Map<V>::Type Map; 1925 1926 1926 typedef std::m ultimap<V, K> Container;1927 typedef std::map<V, K> Container; 1927 1928 Container _inv_map; 1928 1929 … … 1949 1950 /// iterator on the values of the map. The values can 1950 1951 /// be accessed in the <tt>[beginValue, endValue)</tt> range. 1951 /// They are considered with multiplicity, so each value is1952 /// traversed for each item it is assigned to.1953 1952 class ValueIterator 1954 1953 : public std::iterator<std::forward_iterator_tag, Value> { … … 2003 2002 void set(const Key& key, const Value& val) { 2004 2003 Value oldval = Map::operator[](key); 2005 typename Container::iterator it; 2006 for (it = _inv_map.equal_range(oldval).first; 2007 it != _inv_map.equal_range(oldval).second; ++it) { 2008 if (it->second == key) { 2009 _inv_map.erase(it); 2010 break; 2011 } 2004 typename Container::iterator it = _inv_map.find(oldval); 2005 if (it != _inv_map.end() && it->second == key) { 2006 _inv_map.erase(it); 2012 2007 } 2013 2008 _inv_map.insert(std::make_pair(val, key)); … … 2023 2018 } 2024 2019 2025 /// \brief Gives back an item by its value. 2026 /// 2027 /// This function gives back an item that is assigned to 2028 /// the given value or \c INVALID if no such item exists. 2029 /// If there are more items with the same associated value, 2030 /// only one of them is returned. 2031 Key operator()(const Value& val) const { 2032 typename Container::const_iterator it = _inv_map.find(val); 2020 /// \brief Gives back the item by its value. 2021 /// 2022 /// Gives back the item by its value. 2023 Key operator()(const Value& key) const { 2024 typename Container::const_iterator it = _inv_map.find(key); 2033 2025 return it != _inv_map.end() ? it->second : INVALID; 2034 }2035 2036 /// \brief Returns the number of items with the given value.2037 ///2038 /// This function returns the number of items with the given value2039 /// associated with it.2040 int count(const Value &val) const {2041 return _inv_map.count(val);2042 2026 } 2043 2027 … … 2050 2034 virtual void erase(const Key& key) { 2051 2035 Value val = Map::operator[](key); 2052 typename Container::iterator it; 2053 for (it = _inv_map.equal_range(val).first; 2054 it != _inv_map.equal_range(val).second; ++it) { 2055 if (it->second == key) { 2056 _inv_map.erase(it); 2057 break; 2058 } 2036 typename Container::iterator it = _inv_map.find(val); 2037 if (it != _inv_map.end() && it->second == key) { 2038 _inv_map.erase(it); 2059 2039 } 2060 2040 Map::erase(key); … … 2068 2048 for (int i = 0; i < int(keys.size()); ++i) { 2069 2049 Value val = Map::operator[](keys[i]); 2070 typename Container::iterator it; 2071 for (it = _inv_map.equal_range(val).first; 2072 it != _inv_map.equal_range(val).second; ++it) { 2073 if (it->second == keys[i]) { 2074 _inv_map.erase(it); 2075 break; 2076 } 2050 typename Container::iterator it = _inv_map.find(val); 2051 if (it != _inv_map.end() && it->second == keys[i]) { 2052 _inv_map.erase(it); 2077 2053 } 2078 2054 } … … 2110 2086 /// \brief Subscript operator. 2111 2087 /// 2112 /// Subscript operator. It gives back an item 2113 /// that is assigned to the given value or \c INVALID 2114 /// if no such item exists. 2088 /// Subscript operator. It gives back the item 2089 /// that was last assigned to the given value. 2115 2090 Value operator[](const Key& key) const { 2116 2091 return _inverted(key); … … 2130 2105 }; 2131 2106 2132 /// \brief Provides continuous and unique idfor the2107 /// \brief Provides continuous and unique ID for the 2133 2108 /// items of a graph. 2134 2109 /// 2135 2110 /// RangeIdMap provides a unique and continuous 2136 /// idfor each item of a given type (\c Node, \c Arc or2111 /// ID for each item of a given type (\c Node, \c Arc or 2137 2112 /// \c Edge) in a graph. This id is 2138 2113 /// - \b unique: different items get different ids, … … 2145 2120 /// the \c id() function of the graph or \ref IdMap. 2146 2121 /// This map can be inverted with its member class \c InverseMap, 2147 /// or with the \c operator() ()member.2122 /// or with the \c operator() member. 2148 2123 /// 2149 2124 /// \tparam GR The graph type. -
test/maps_test.cc
r721 r694 23 23 #include <lemon/concepts/maps.h> 24 24 #include <lemon/maps.h> 25 #include <lemon/list_graph.h>26 25 #include <lemon/smart_graph.h> 27 26 … … 331 330 { 332 331 typedef std::vector<int> vec; 333 checkConcept<WriteMap<int, bool>, LoggerBoolMap<vec::iterator> >();334 checkConcept<WriteMap<int, bool>,335 LoggerBoolMap<std::back_insert_iterator<vec> > >();336 337 332 vec v1; 338 333 vec v2(10); … … 355 350 check(v1[i++] == *it, "Something is wrong with LoggerBoolMap"); 356 351 } 357 358 // IdMap, RangeIdMap359 {360 typedef ListDigraph Graph;361 DIGRAPH_TYPEDEFS(Graph);362 363 checkConcept<ReadMap<Node, int>, IdMap<Graph, Node> >();364 checkConcept<ReadMap<Arc, int>, IdMap<Graph, Arc> >();365 checkConcept<ReadMap<Node, int>, RangeIdMap<Graph, Node> >();366 checkConcept<ReadMap<Arc, int>, RangeIdMap<Graph, Arc> >();367 368 Graph gr;369 IdMap<Graph, Node> nmap(gr);370 IdMap<Graph, Arc> amap(gr);371 RangeIdMap<Graph, Node> nrmap(gr);372 RangeIdMap<Graph, Arc> armap(gr);373 374 Node n0 = gr.addNode();375 Node n1 = gr.addNode();376 Node n2 = gr.addNode();377 378 Arc a0 = gr.addArc(n0, n1);379 Arc a1 = gr.addArc(n0, n2);380 Arc a2 = gr.addArc(n2, n1);381 Arc a3 = gr.addArc(n2, n0);382 383 check(nmap[n0] == gr.id(n0) && nmap(gr.id(n0)) == n0, "Wrong IdMap");384 check(nmap[n1] == gr.id(n1) && nmap(gr.id(n1)) == n1, "Wrong IdMap");385 check(nmap[n2] == gr.id(n2) && nmap(gr.id(n2)) == n2, "Wrong IdMap");386 387 check(amap[a0] == gr.id(a0) && amap(gr.id(a0)) == a0, "Wrong IdMap");388 check(amap[a1] == gr.id(a1) && amap(gr.id(a1)) == a1, "Wrong IdMap");389 check(amap[a2] == gr.id(a2) && amap(gr.id(a2)) == a2, "Wrong IdMap");390 check(amap[a3] == gr.id(a3) && amap(gr.id(a3)) == a3, "Wrong IdMap");391 392 check(nmap.inverse()[gr.id(n0)] == n0, "Wrong IdMap::InverseMap");393 check(amap.inverse()[gr.id(a0)] == a0, "Wrong IdMap::InverseMap");394 395 check(nrmap.size() == 3 && armap.size() == 4,396 "Wrong RangeIdMap::size()");397 398 check(nrmap[n0] == 0 && nrmap(0) == n0, "Wrong RangeIdMap");399 check(nrmap[n1] == 1 && nrmap(1) == n1, "Wrong RangeIdMap");400 check(nrmap[n2] == 2 && nrmap(2) == n2, "Wrong RangeIdMap");401 402 check(armap[a0] == 0 && armap(0) == a0, "Wrong RangeIdMap");403 check(armap[a1] == 1 && armap(1) == a1, "Wrong RangeIdMap");404 check(armap[a2] == 2 && armap(2) == a2, "Wrong RangeIdMap");405 check(armap[a3] == 3 && armap(3) == a3, "Wrong RangeIdMap");406 407 check(nrmap.inverse()[0] == n0, "Wrong RangeIdMap::InverseMap");408 check(armap.inverse()[0] == a0, "Wrong RangeIdMap::InverseMap");409 410 gr.erase(n1);411 412 if (nrmap[n0] == 1) nrmap.swap(n0, n2);413 nrmap.swap(n2, n0);414 if (armap[a1] == 1) armap.swap(a1, a3);415 armap.swap(a3, a1);416 417 check(nrmap.size() == 2 && armap.size() == 2,418 "Wrong RangeIdMap::size()");419 420 check(nrmap[n0] == 1 && nrmap(1) == n0, "Wrong RangeIdMap");421 check(nrmap[n2] == 0 && nrmap(0) == n2, "Wrong RangeIdMap");422 423 check(armap[a1] == 1 && armap(1) == a1, "Wrong RangeIdMap");424 check(armap[a3] == 0 && armap(0) == a3, "Wrong RangeIdMap");425 426 check(nrmap.inverse()[0] == n2, "Wrong RangeIdMap::InverseMap");427 check(armap.inverse()[0] == a3, "Wrong RangeIdMap::InverseMap");428 }429 430 // CrossRefMap431 {432 typedef ListDigraph Graph;433 DIGRAPH_TYPEDEFS(Graph);434 435 checkConcept<ReadWriteMap<Node, int>,436 CrossRefMap<Graph, Node, int> >();437 checkConcept<ReadWriteMap<Node, bool>,438 CrossRefMap<Graph, Node, bool> >();439 checkConcept<ReadWriteMap<Node, double>,440 CrossRefMap<Graph, Node, double> >();441 442 Graph gr;443 typedef CrossRefMap<Graph, Node, char> CRMap;444 typedef CRMap::ValueIterator ValueIt;445 CRMap map(gr);446 447 Node n0 = gr.addNode();448 Node n1 = gr.addNode();449 Node n2 = gr.addNode();450 451 map.set(n0, 'A');452 map.set(n1, 'B');453 map.set(n2, 'C');454 455 check(map[n0] == 'A' && map('A') == n0 && map.inverse()['A'] == n0,456 "Wrong CrossRefMap");457 check(map[n1] == 'B' && map('B') == n1 && map.inverse()['B'] == n1,458 "Wrong CrossRefMap");459 check(map[n2] == 'C' && map('C') == n2 && map.inverse()['C'] == n2,460 "Wrong CrossRefMap");461 check(map.count('A') == 1 && map.count('B') == 1 && map.count('C') == 1,462 "Wrong CrossRefMap::count()");463 464 ValueIt it = map.beginValue();465 check(*it++ == 'A' && *it++ == 'B' && *it++ == 'C' &&466 it == map.endValue(), "Wrong value iterator");467 468 map.set(n2, 'A');469 470 check(map[n0] == 'A' && map[n1] == 'B' && map[n2] == 'A',471 "Wrong CrossRefMap");472 check(map('A') == n0 && map.inverse()['A'] == n0, "Wrong CrossRefMap");473 check(map('B') == n1 && map.inverse()['B'] == n1, "Wrong CrossRefMap");474 check(map('C') == INVALID && map.inverse()['C'] == INVALID,475 "Wrong CrossRefMap");476 check(map.count('A') == 2 && map.count('B') == 1 && map.count('C') == 0,477 "Wrong CrossRefMap::count()");478 479 it = map.beginValue();480 check(*it++ == 'A' && *it++ == 'A' && *it++ == 'B' &&481 it == map.endValue(), "Wrong value iterator");482 483 map.set(n0, 'C');484 485 check(map[n0] == 'C' && map[n1] == 'B' && map[n2] == 'A',486 "Wrong CrossRefMap");487 check(map('A') == n2 && map.inverse()['A'] == n2, "Wrong CrossRefMap");488 check(map('B') == n1 && map.inverse()['B'] == n1, "Wrong CrossRefMap");489 check(map('C') == n0 && map.inverse()['C'] == n0, "Wrong CrossRefMap");490 check(map.count('A') == 1 && map.count('B') == 1 && map.count('C') == 1,491 "Wrong CrossRefMap::count()");492 493 it = map.beginValue();494 check(*it++ == 'A' && *it++ == 'B' && *it++ == 'C' &&495 it == map.endValue(), "Wrong value iterator");496 }497 352 498 353 // Iterable bool map
Note: See TracChangeset
for help on using the changeset viewer.