1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/work/deba/mappedgraph.h Mon Mar 29 20:34:24 2004 +0000
1.3 @@ -0,0 +1,88 @@
1.4 +#ifndef MAPPEDGRAPH_H
1.5 +#define MAPPEDGRAPH_H
1.6 +
1.7 +#include <vector>
1.8 +
1.9 +template <typename GB, typename K>
1.10 +class MapBase;
1.11 +
1.12 +template <typename GB>
1.13 +class MappedGraph : public GB {
1.14 +public:
1.15 + typedef GB GraphBase;
1.16 +
1.17 + typedef MapBase<GB, typename GB::Edge> EdgeMapBase;
1.18 + typedef MapBase<GB, typename GB::Node> NodeMapBase;
1.19 +
1.20 +protected:
1.21 + typedef std::vector<EdgeMapBase*> EdgeMaps;
1.22 + typedef std::vector<NodeMapBase*> NodeMaps;
1.23 +
1.24 + EdgeMaps edge_maps;
1.25 + NodeMaps node_maps;
1.26 +
1.27 + void add(EdgeMapBase& map_base) {
1.28 + if (map_base.graph) {
1.29 + map_base.graph->erase(map_base);
1.30 + }
1.31 + edge_maps.push_back(&map_base);
1.32 + map_base.graph_index = map_base.size()-1;
1.33 + }
1.34 +
1.35 + void erase(EdgeMapBase& map_base) {
1.36 + if (map_base.graph != this) return;
1.37 + edge_maps.back()->graph_index = map_base.graph_index;
1.38 + edge_maps[map_base.graph_index] = edge_maps.back();
1.39 + edge_maps.pop_back();
1.40 + map_base.graph = 0;
1.41 + }
1.42 +
1.43 + void addEdge(typename GB::Edge& edge) {
1.44 + typename EdgeMaps::iterator it;
1.45 + for (it = edge_maps.begin(); it != edge_maps.end(); ++it) {
1.46 + (*it)->add(edge);
1.47 + }
1.48 + }
1.49 +
1.50 + void eraseEdge(typename GB::Edge& edge) {
1.51 + typename EdgeMaps::iterator it;
1.52 + for (it = edge_maps.begin(); it != edge_maps.end(); ++it) {
1.53 + (*it)->erase(edge);
1.54 + }
1.55 + }
1.56 +
1.57 + void add(NodeMapBase& map_base) {
1.58 + if (map_base.graph) {
1.59 + map_base.graph->erase(map_base);
1.60 + }
1.61 + node_maps.push_back(&map_base);
1.62 + map_base.graph_index = node_maps.size()-1;
1.63 + }
1.64 +
1.65 + void erase(NodeMapBase& map_base) {
1.66 + if (map_base.graph != this) return;
1.67 + node_maps.back()->graph_index = map_base.graph_index;
1.68 + node_maps[map_base.graph_index] = node_maps.back();
1.69 + node_maps.pop_back();
1.70 + map_base.graph = 0;
1.71 + }
1.72 +
1.73 + void addNode(typename GB::Node& node) {
1.74 + typename NodeMaps::iterator it;
1.75 + for (it = node_maps.begin(); it != node_maps.end(); ++it) {
1.76 + (*it)->add(node);
1.77 + }
1.78 + }
1.79 +
1.80 + void eraseNode(typename GB::Node& node) {
1.81 + typename NodeMaps::iterator it;
1.82 + for (it = node_maps.begin(); it != node_maps.end(); ++it) {
1.83 + (*it)->erase(node);
1.84 + }
1.85 + }
1.86 +
1.87 + friend class EdgeMapBase;
1.88 + friend class NodeMapBase;
1.89 +};
1.90 +
1.91 +#endif