Changeset 1007:a7d5fe18d8f9 in lemon-0.x for src/work/marci/merge_node_graph_wrapper.h

Timestamp:

11/18/04 15:37:22 (20 years ago)

Author:

marci

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1397

Message:

MergeNodeGraphWrapper?

File:

• src/work/marci/merge_node_graph_wrapper.h (modified) (2 diffs)

src/work/marci/merge_node_graph_wrapper.h

@@ -24 +24 @@
 #include <iostream>
 
+#include <boost/type_traits.hpp>
+#include <boost/utility/enable_if.hpp>
+
 namespace lemon {
+
+  template <class _Graph1>
+  class P1 : public GraphWrapperBase<_Graph1> {
+  };
+
+  template <class _Graph2>
+  class P2 : public GraphWrapperBase<_Graph2> {
+  };
 
   template <typename _Graph1, typename _Graph2, typename Enable=void>
   class MergeNodeGraphWrapperBase : 
-    public GraphWrapperBase<_Graph1>, public GraphWrapperBase<_Graph2> {
-  public:
-    typedef _Graph1 Graph1;
-    typedef _Graph2 Graph2;
-    typedef GraphWrapperBase<_Graph1> Parent1;
-    typedef GraphWrapperBase<_Graph2> Parent2;
+    public P1<_Graph1>, public P2<_Graph2> {
+  public:
+    void print() const { std::cout << "generic" << std::endl; }
+    typedef _Graph1 Graph1;
+    typedef _Graph2 Graph2;
+    typedef P1<_Graph1> Parent1;
+    typedef P2<_Graph2> Parent2;
     typedef typename Parent1::Node Graph1Node;
     typedef typename Parent2::Node Graph2Node;
@@ -150 +162 @@
   };
 
+  template <typename _Graph1, typename _Graph2>
+  class MergeNodeGraphWrapperBase<
+    _Graph1, _Graph2, typename boost::enable_if<
+    boost::is_same<typename _Graph1::Node, typename _Graph2::Node> >::type> : 
+    public P1<_Graph1>, public P2<_Graph2> {
+  public :
+    void print() const { std::cout << "same" << std::endl; }
+    typedef _Graph1 Graph1;
+    typedef _Graph2 Graph2;
+    typedef P1<_Graph1> Parent1;
+    typedef P2<_Graph2> Parent2;
+    typedef typename Parent1::Node Graph1Node;
+    typedef typename Parent2::Node Graph2Node;
+  protected:
+    MergeNodeGraphWrapperBase() { }
+  public:
+    class Node { };
+    class Edge { };
+    void first() const;
+    void next() const;
+  };
+
+  template <typename _Graph1, typename _Graph2>
+  class MergeNodeGraphWrapperBase<
+    _Graph1, _Graph2, typename boost::enable_if<
+    boost::is_base_and_derived<typename _Graph1::Node, typename _Graph2::Node> >::type> : 
+    public P1<_Graph1>, public P2<_Graph2> {
+  public :
+    void print() const { std::cout << "2. nagyobb" << std::endl; }
+    typedef _Graph1 Graph1;
+    typedef _Graph2 Graph2;
+    typedef P1<_Graph1> Parent1;
+    typedef P2<_Graph2> Parent2;
+    typedef typename Parent1::Node Graph1Node;
+    typedef typename Parent2::Node Graph2Node;
+  protected:
+    MergeNodeGraphWrapperBase() { }
+  public:
+    class Node { };
+    class Edge { };
+    void first() const;
+    void next() const;
+  };
+
+  template <typename _Graph1, typename _Graph2>
+  class MergeNodeGraphWrapperBase<
+    _Graph1, _Graph2, typename boost::enable_if<
+    boost::is_base_and_derived<typename _Graph2::Node, typename _Graph1::Node> >::type> : 
+    public P1<_Graph1>, public P2<_Graph2> {
+  public :
+    void print() const { std::cout << "1. nagyobb" << std::endl; }
+    typedef _Graph1 Graph1;
+    typedef _Graph2 Graph2;
+    typedef P1<_Graph1> Parent1;
+    typedef P2<_Graph2> Parent2;
+    typedef typename Parent1::Node Graph1Node;
+    typedef typename Parent2::Node Graph2Node;
+  protected:
+    MergeNodeGraphWrapperBase() { }
+  public:
+    class Node { };
+    class Edge { };
+    void first() const;
+    void next() const;
+  };
+
 
   template <typename _Graph1, typename _Graph2, typename Enable=void>