... |
... |
@@ -1897,38 +1897,39 @@
|
1897 |
1897 |
/// Gives back the inverse of the IdMap.
|
1898 |
1898 |
InverseMap inverse() const { return InverseMap(*_graph);}
|
1899 |
1899 |
};
|
1900 |
1900 |
|
1901 |
1901 |
|
1902 |
1902 |
/// \brief General cross reference graph map type.
|
1903 |
1903 |
|
1904 |
1904 |
/// This class provides simple invertable graph maps.
|
1905 |
|
/// It wraps an arbitrary \ref concepts::ReadWriteMap "ReadWriteMap"
|
1906 |
|
/// and if a key is set to a new value then store it
|
1907 |
|
/// in the inverse map.
|
1908 |
|
///
|
|
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.
|
1909 |
1907 |
/// The values of the map can be accessed
|
1910 |
1908 |
/// with stl compatible forward iterator.
|
1911 |
1909 |
///
|
|
1910 |
/// This type is not reference map, so it cannot be modified with
|
|
1911 |
/// the subscript operator.
|
|
1912 |
///
|
1912 |
1913 |
/// \tparam GR The graph type.
|
1913 |
1914 |
/// \tparam K The key type of the map (\c GR::Node, \c GR::Arc or
|
1914 |
1915 |
/// \c GR::Edge).
|
1915 |
1916 |
/// \tparam V The value type of the map.
|
1916 |
1917 |
///
|
1917 |
1918 |
/// \see IterableValueMap
|
1918 |
1919 |
template <typename GR, typename K, typename V>
|
1919 |
1920 |
class CrossRefMap
|
1920 |
1921 |
: protected ItemSetTraits<GR, K>::template Map<V>::Type {
|
1921 |
1922 |
private:
|
1922 |
1923 |
|
1923 |
1924 |
typedef typename ItemSetTraits<GR, K>::
|
1924 |
1925 |
template Map<V>::Type Map;
|
1925 |
1926 |
|
1926 |
|
typedef std::map<V, K> Container;
|
|
1927 |
typedef std::multimap<V, K> Container;
|
1927 |
1928 |
Container _inv_map;
|
1928 |
1929 |
|
1929 |
1930 |
public:
|
1930 |
1931 |
|
1931 |
1932 |
/// The graph type of CrossRefMap.
|
1932 |
1933 |
typedef GR Graph;
|
1933 |
1934 |
typedef GR Digraph;
|
1934 |
1935 |
/// The key type of CrossRefMap (\c Node, \c Arc or \c Edge).
|
... |
... |
@@ -1943,16 +1944,18 @@
|
1943 |
1944 |
/// Construct a new CrossRefMap for the given graph.
|
1944 |
1945 |
explicit CrossRefMap(const Graph& graph) : Map(graph) {}
|
1945 |
1946 |
|
1946 |
1947 |
/// \brief Forward iterator for values.
|
1947 |
1948 |
///
|
1948 |
1949 |
/// This iterator is an stl compatible forward
|
1949 |
1950 |
/// iterator on the values of the map. The values can
|
1950 |
1951 |
/// be accessed in the <tt>[beginValue, endValue)</tt> range.
|
|
1952 |
/// They are considered with multiplicity, so each value is
|
|
1953 |
/// traversed for each item it is assigned to.
|
1951 |
1954 |
class ValueIterator
|
1952 |
1955 |
: public std::iterator<std::forward_iterator_tag, Value> {
|
1953 |
1956 |
friend class CrossRefMap;
|
1954 |
1957 |
private:
|
1955 |
1958 |
ValueIterator(typename Container::const_iterator _it)
|
1956 |
1959 |
: it(_it) {}
|
1957 |
1960 |
public:
|
1958 |
1961 |
|
... |
... |
@@ -1995,65 +1998,80 @@
|
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);
|
|
2006 |
typename Container::iterator it;
|
|
2007 |
for (it = _inv_map.equal_range(oldval).first;
|
|
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
|
... |
... |
@@ -2079,18 +2097,19 @@
|
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 |
|