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@@ -1893,70 +1893,73 @@
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1893 |
1893 |
};
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1894 |
1894 |
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1895 |
1895 |
/// \brief Gives back the inverse of the map.
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1896 |
///
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1897 |
1897 |
/// Gives back the inverse of the IdMap.
|
1898 |
1898 |
InverseMap inverse() const { return InverseMap(*_graph);}
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1899 |
1899 |
};
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1900 |
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1901 |
1901 |
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1902 |
/// \brief General cross reference graph map type.
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1903 |
1903 |
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1904 |
1904 |
/// This class provides simple invertable graph maps.
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1905 |
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/// It wraps an arbitrary \ref concepts::ReadWriteMap "ReadWriteMap"
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1906 |
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/// and if a key is set to a new value then store it
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1907 |
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/// in the inverse map.
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1908 |
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///
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1905 |
/// It wraps a standard graph map (\c NodeMap, \c ArcMap or \c EdgeMap)
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|
1906 |
/// and if a key is set to a new value, then stores it in the inverse map.
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1909 |
1907 |
/// The values of the map can be accessed
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1910 |
1908 |
/// with stl compatible forward iterator.
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1909 |
///
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/// This type is not reference map, so it cannot be modified with
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/// the subscript operator.
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///
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1913 |
/// \tparam GR The graph type.
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/// \tparam K The key type of the map (\c GR::Node, \c GR::Arc or
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1914 |
1915 |
/// \c GR::Edge).
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1916 |
/// \tparam V The value type of the map.
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///
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1917 |
1918 |
/// \see IterableValueMap
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1919 |
template <typename GR, typename K, typename V>
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1919 |
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class CrossRefMap
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1921 |
: protected ItemSetTraits<GR, K>::template Map<V>::Type {
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private:
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1922 |
1923 |
|
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1924 |
typedef typename ItemSetTraits<GR, K>::
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1924 |
1925 |
template Map<V>::Type Map;
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1925 |
1926 |
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1926 |
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typedef std::map<V, K> Container;
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|
1927 |
typedef std::multimap<V, K> Container;
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1927 |
1928 |
Container _inv_map;
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1928 |
1929 |
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1930 |
public:
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1930 |
1931 |
|
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/// The graph type of CrossRefMap.
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typedef GR Graph;
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1933 |
1934 |
typedef GR Digraph;
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/// The key type of CrossRefMap (\c Node, \c Arc or \c Edge).
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1935 |
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typedef K Item;
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1936 |
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/// The key type of CrossRefMap (\c Node, \c Arc or \c Edge).
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1937 |
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typedef K Key;
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1938 |
1939 |
/// The value type of CrossRefMap.
|
1939 |
1940 |
typedef V Value;
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1940 |
1941 |
|
1941 |
1942 |
/// \brief Constructor.
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1942 |
1943 |
///
|
1943 |
1944 |
/// Construct a new CrossRefMap for the given graph.
|
1944 |
1945 |
explicit CrossRefMap(const Graph& graph) : Map(graph) {}
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1945 |
1946 |
|
1946 |
1947 |
/// \brief Forward iterator for values.
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1947 |
1948 |
///
|
1948 |
1949 |
/// This iterator is an stl compatible forward
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1949 |
1950 |
/// iterator on the values of the map. The values can
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1950 |
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/// be accessed in the <tt>[beginValue, endValue)</tt> range.
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|
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/// They are considered with multiplicity, so each value is
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|
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/// traversed for each item it is assigned to.
|
1951 |
1954 |
class ValueIterator
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1952 |
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: public std::iterator<std::forward_iterator_tag, Value> {
|
1953 |
1956 |
friend class CrossRefMap;
|
1954 |
1957 |
private:
|
1955 |
1958 |
ValueIterator(typename Container::const_iterator _it)
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1956 |
1959 |
: it(_it) {}
|
1957 |
1960 |
public:
|
1958 |
1961 |
|
1959 |
1962 |
ValueIterator() {}
|
1960 |
1963 |
|
1961 |
1964 |
ValueIterator& operator++() { ++it; return *this; }
|
1962 |
1965 |
ValueIterator operator++(int) {
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... |
... |
@@ -1991,73 +1994,88 @@
|
1991 |
1994 |
/// last value of the map. The values of the
|
1992 |
1995 |
/// map can be accessed in the <tt>[beginValue, endValue)</tt>
|
1993 |
1996 |
/// range.
|
1994 |
1997 |
ValueIterator endValue() const {
|
1995 |
1998 |
return ValueIterator(_inv_map.end());
|
1996 |
1999 |
}
|
1997 |
2000 |
|
1998 |
2001 |
/// \brief Sets the value associated with the given key.
|
1999 |
2002 |
///
|
2000 |
2003 |
/// Sets the value associated with the given key.
|
2001 |
2004 |
void set(const Key& key, const Value& val) {
|
2002 |
2005 |
Value oldval = Map::operator[](key);
|
2003 |
|
typename Container::iterator it = _inv_map.find(oldval);
|
2004 |
|
if (it != _inv_map.end() && it->second == key) {
|
2005 |
|
_inv_map.erase(it);
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|
2006 |
typename Container::iterator it;
|
|
2007 |
for (it = _inv_map.equal_range(oldval).first;
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|
2008 |
it != _inv_map.equal_range(oldval).second; ++it) {
|
|
2009 |
if (it->second == key) {
|
|
2010 |
_inv_map.erase(it);
|
|
2011 |
break;
|
|
2012 |
}
|
2006 |
2013 |
}
|
2007 |
|
_inv_map.insert(make_pair(val, key));
|
|
2014 |
_inv_map.insert(std::make_pair(val, key));
|
2008 |
2015 |
Map::set(key, val);
|
2009 |
2016 |
}
|
2010 |
2017 |
|
2011 |
2018 |
/// \brief Returns the value associated with the given key.
|
2012 |
2019 |
///
|
2013 |
2020 |
/// Returns the value associated with the given key.
|
2014 |
2021 |
typename MapTraits<Map>::ConstReturnValue
|
2015 |
2022 |
operator[](const Key& key) const {
|
2016 |
2023 |
return Map::operator[](key);
|
2017 |
2024 |
}
|
2018 |
2025 |
|
2019 |
|
/// \brief Gives back the item by its value.
|
|
2026 |
/// \brief Gives back an item by its value.
|
2020 |
2027 |
///
|
2021 |
|
/// Gives back the item by its value.
|
2022 |
|
Key operator()(const Value& key) const {
|
2023 |
|
typename Container::const_iterator it = _inv_map.find(key);
|
|
2028 |
/// This function gives back an item that is assigned to
|
|
2029 |
/// the given value or \c INVALID if no such item exists.
|
|
2030 |
/// If there are more items with the same associated value,
|
|
2031 |
/// only one of them is returned.
|
|
2032 |
Key operator()(const Value& val) const {
|
|
2033 |
typename Container::const_iterator it = _inv_map.find(val);
|
2024 |
2034 |
return it != _inv_map.end() ? it->second : INVALID;
|
2025 |
2035 |
}
|
2026 |
2036 |
|
2027 |
2037 |
protected:
|
2028 |
2038 |
|
2029 |
2039 |
/// \brief Erase the key from the map and the inverse map.
|
2030 |
2040 |
///
|
2031 |
2041 |
/// Erase the key from the map and the inverse map. It is called by the
|
2032 |
2042 |
/// \c AlterationNotifier.
|
2033 |
2043 |
virtual void erase(const Key& key) {
|
2034 |
2044 |
Value val = Map::operator[](key);
|
2035 |
|
typename Container::iterator it = _inv_map.find(val);
|
2036 |
|
if (it != _inv_map.end() && it->second == key) {
|
2037 |
|
_inv_map.erase(it);
|
|
2045 |
typename Container::iterator it;
|
|
2046 |
for (it = _inv_map.equal_range(val).first;
|
|
2047 |
it != _inv_map.equal_range(val).second; ++it) {
|
|
2048 |
if (it->second == key) {
|
|
2049 |
_inv_map.erase(it);
|
|
2050 |
break;
|
|
2051 |
}
|
2038 |
2052 |
}
|
2039 |
2053 |
Map::erase(key);
|
2040 |
2054 |
}
|
2041 |
2055 |
|
2042 |
2056 |
/// \brief Erase more keys from the map and the inverse map.
|
2043 |
2057 |
///
|
2044 |
2058 |
/// Erase more keys from the map and the inverse map. It is called by the
|
2045 |
2059 |
/// \c AlterationNotifier.
|
2046 |
2060 |
virtual void erase(const std::vector<Key>& keys) {
|
2047 |
2061 |
for (int i = 0; i < int(keys.size()); ++i) {
|
2048 |
2062 |
Value val = Map::operator[](keys[i]);
|
2049 |
|
typename Container::iterator it = _inv_map.find(val);
|
2050 |
|
if (it != _inv_map.end() && it->second == keys[i]) {
|
2051 |
|
_inv_map.erase(it);
|
|
2063 |
typename Container::iterator it;
|
|
2064 |
for (it = _inv_map.equal_range(val).first;
|
|
2065 |
it != _inv_map.equal_range(val).second; ++it) {
|
|
2066 |
if (it->second == keys[i]) {
|
|
2067 |
_inv_map.erase(it);
|
|
2068 |
break;
|
|
2069 |
}
|
2052 |
2070 |
}
|
2053 |
2071 |
}
|
2054 |
2072 |
Map::erase(keys);
|
2055 |
2073 |
}
|
2056 |
2074 |
|
2057 |
2075 |
/// \brief Clear the keys from the map and the inverse map.
|
2058 |
2076 |
///
|
2059 |
2077 |
/// Clear the keys from the map and the inverse map. It is called by the
|
2060 |
2078 |
/// \c AlterationNotifier.
|
2061 |
2079 |
virtual void clear() {
|
2062 |
2080 |
_inv_map.clear();
|
2063 |
2081 |
Map::clear();
|
... |
... |
@@ -2075,26 +2093,27 @@
|
2075 |
2093 |
///
|
2076 |
2094 |
/// Constructor of the InverseMap.
|
2077 |
2095 |
explicit InverseMap(const CrossRefMap& inverted)
|
2078 |
2096 |
: _inverted(inverted) {}
|
2079 |
2097 |
|
2080 |
2098 |
/// The value type of the InverseMap.
|
2081 |
2099 |
typedef typename CrossRefMap::Key Value;
|
2082 |
2100 |
/// The key type of the InverseMap.
|
2083 |
2101 |
typedef typename CrossRefMap::Value Key;
|
2084 |
2102 |
|
2085 |
2103 |
/// \brief Subscript operator.
|
2086 |
2104 |
///
|
2087 |
|
/// Subscript operator. It gives back the item
|
2088 |
|
/// that was last assigned to the given value.
|
|
2105 |
/// Subscript operator. It gives back an item
|
|
2106 |
/// that is assigned to the given value or \c INVALID
|
|
2107 |
/// if no such item exists.
|
2089 |
2108 |
Value operator[](const Key& key) const {
|
2090 |
2109 |
return _inverted(key);
|
2091 |
2110 |
}
|
2092 |
2111 |
|
2093 |
2112 |
private:
|
2094 |
2113 |
const CrossRefMap& _inverted;
|
2095 |
2114 |
};
|
2096 |
2115 |
|
2097 |
2116 |
/// \brief It gives back the read-only inverse map.
|
2098 |
2117 |
///
|
2099 |
2118 |
/// It gives back the read-only inverse map.
|
2100 |
2119 |
InverseMap inverse() const {
|