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完成delete_node

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This commit is contained in:
邹晓航
2015-02-10 11:45:55 +08:00
parent 3ac2c2bf3b
commit 833201262e
2 changed files with 31 additions and 7 deletions
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25
TinySTL/Detail/Graph.impl.h
View File

@@ -138,9 +138,9 @@ namespace TinySTL{
for (auto iit = begin(oit->first); iit != eit; ++iit){
oss << "[" << iit->first << ", " << iit->second << "]" << "-";
}
oss << "[NULL,NULL]" << std::endl << std::setw(4) << "|" << std::endl;
oss << "[nil,nil]" << std::endl << std::setw(4) << "|" << std::endl;
}
oss << "[NULL,NULL]" << std::endl;
oss << "[nil,nil]" << std::endl;
str.append(oss.str().c_str());
return str;
}
@@ -221,4 +221,25 @@ namespace TinySTL{
void directed_graph<Index, Value, EqualFunc>::add_node(const Index& index, const node_sets& nodes){
add_node_helper(index, nodes);
}
template<class Index, class Value, class EqualFunc>
void directed_graph<Index, Value, EqualFunc>::delete_node(const Index& index){
for (auto oit = nodes_.begin(); oit != nodes_.end();){
if (equal_func((oit->first).first, index))
oit = nodes_.erase(oit);
else{
auto& l = oit->second;
for (auto iit = l.begin(); iit != l.end();){
if (equal_func(iit->first, index))
iit = l.erase(iit);
else
++iit;
}
++oit;
}
}
}
template<class Index, class Value, class EqualFunc>
void directed_graph<Index, Value, EqualFunc>::delete_node(const node& item){
delete_node(item.first);
}
}

13
TinySTL/Graph.h
View File

@@ -40,11 +40,11 @@ namespace TinySTL{
//node can be not in the graph
virtual void add_node(const node& item, const node_sets& nodes) = 0;
//virtual void delte_node(const node& item) = 0;
//node of the index must in the graph
virtual void add_node(const Index& index, const node_sets& nodes) = 0;
//virtual void delte_node(const Index& index) = 0;
virtual void delete_node(const node& item) = 0;
virtual void delete_node(const Index& index) = 0;
void DFS(const Index& index, visiter_func_type func);
void BFS(const Index& index, visiter_func_type func);
@@ -133,8 +133,11 @@ namespace TinySTL{
directed_graph();
~directed_graph(){}
//node n -> every node in the nodes set
void add_node(const node& n, const node_sets& nodes) override;
void add_node(const Index& index, const node_sets& nodes) override;
void add_node(const node& n, const node_sets& nodes) override final;
void add_node(const Index& index, const node_sets& nodes) override final;
void delete_node(const node& item) override final;
void delete_node(const Index& index) override final;
private:
void add_node_helper(const Index& index, const node_sets& nodes);
};