From 8e761289a2446367267c6c0d9a26e734f0f78306 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Wed, 16 Dec 2020 20:29:05 +0300
Subject: Get rid of legacy build systems and rename cutl/ to libcutl/

---
 libcutl/container/graph.hxx | 214 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 214 insertions(+)
 create mode 100644 libcutl/container/graph.hxx

(limited to 'libcutl/container/graph.hxx')

diff --git a/libcutl/container/graph.hxx b/libcutl/container/graph.hxx
new file mode 100644
index 0000000..14be17f
--- /dev/null
+++ b/libcutl/container/graph.hxx
@@ -0,0 +1,214 @@
+// file      : libcutl/container/graph.hxx
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef LIBCUTL_CONTAINER_GRAPH_HXX
+#define LIBCUTL_CONTAINER_GRAPH_HXX
+
+#include <map>
+
+#include <libcutl/exception.hxx>
+#include <libcutl/shared-ptr.hxx>
+
+namespace cutl
+{
+  namespace container
+  {
+    struct no_edge: exception {};
+    struct no_node: exception {};
+
+    template <typename N, typename E>
+    class graph
+    {
+    public:
+      typedef N node_base;
+      typedef E edge_base;
+
+    public:
+      template <typename T>
+      T&
+      new_node ();
+
+      template <typename T, typename A0>
+      T&
+      new_node (A0 const&);
+
+      template <typename T, typename A0, typename A1>
+      T&
+      new_node (A0 const&, A1 const&);
+
+      template <typename T, typename A0, typename A1, typename A2>
+      T&
+      new_node (A0 const&, A1 const&, A2 const&);
+
+      template <typename T, typename A0, typename A1, typename A2,
+                typename A3>
+      T&
+      new_node (A0 const&, A1 const&, A2 const&, A3 const&);
+
+      template <typename T, typename A0, typename A1, typename A2,
+                typename A3, typename A4>
+      T&
+      new_node (A0 const&, A1 const&, A2 const&, A3 const&, A4 const&);
+
+      template <typename T, typename A0, typename A1, typename A2,
+                typename A3, typename A4, typename A5>
+      T&
+      new_node (A0 const&, A1 const&, A2 const&, A3 const&, A4 const&,
+                A5 const&);
+
+      template <typename T, typename A0, typename A1, typename A2,
+                typename A3, typename A4, typename A5, typename A6>
+      T&
+      new_node (A0 const&, A1 const&, A2 const&, A3 const&, A4 const&,
+                A5 const&, A6 const&);
+
+      template <typename T, typename A0, typename A1, typename A2,
+                typename A3, typename A4, typename A5, typename A6,
+                typename A7>
+      T&
+      new_node (A0 const&, A1 const&, A2 const&, A3 const&, A4 const&,
+                A5 const&, A6 const&, A7 const&);
+
+      template <typename T, typename A0, typename A1, typename A2,
+                typename A3, typename A4, typename A5, typename A6,
+                typename A7, typename A8>
+      T&
+      new_node (A0 const&, A1 const&, A2 const&, A3 const&, A4 const&,
+                A5 const&, A6 const&, A7 const&, A8 const&);
+
+      template <typename T, typename A0, typename A1, typename A2,
+                typename A3, typename A4, typename A5, typename A6,
+                typename A7, typename A8, typename A9>
+      T&
+      new_node (A0 const&, A1 const&, A2 const&, A3 const&, A4 const&,
+                A5 const&, A6 const&, A7 const&, A8 const&, A9 const&);
+
+      // Non-const versions.
+      //
+      template <typename T, typename A0>
+      T&
+      new_node (A0&);
+
+      template <typename T, typename A0, typename A1>
+      T&
+      new_node (A0&, A1&);
+
+      template <typename T, typename A0, typename A1, typename A2>
+      T&
+      new_node (A0&, A1&, A2&);
+
+    public:
+      template <typename T, typename L, typename R>
+      T&
+      new_edge (L&, R&);
+
+      template <typename T, typename L, typename R,
+                typename A0>
+      T&
+      new_edge (L&, R&, A0 const&);
+
+      template <typename T, typename L, typename R,
+                typename A0, typename A1>
+      T&
+      new_edge (L&, R&, A0 const&, A1 const&);
+
+      template <typename T, typename L, typename R,
+                typename A0, typename A1, typename A2>
+      T&
+      new_edge (L&, R&, A0 const&, A1 const&, A2 const&);
+
+      template <typename T, typename L, typename R,
+                typename A0, typename A1, typename A2, typename A3>
+      T&
+      new_edge (L&, R&, A0 const&, A1 const&, A2 const&, A3 const&);
+
+      template <typename T, typename L, typename R,
+                typename A0, typename A1, typename A2, typename A3,
+                typename A4>
+      T&
+      new_edge (L&, R&, A0 const&, A1 const&, A2 const&, A3 const&,
+                A4 const&);
+
+      template <typename T, typename L, typename R,
+                typename A0, typename A1, typename A2, typename A3,
+                typename A4, typename A5>
+      T&
+      new_edge (L&, R&, A0 const&, A1 const&, A2 const&, A3 const&,
+                A4 const&, A5 const&);
+
+      // Functions to reset edge's nodes.
+      //
+    public:
+      template <typename TE, typename TN>
+      void
+      reset_left_node (TE& edge, TN& node)
+      {
+        edge.set_left_node (node);
+      }
+
+      template <typename TE, typename TN>
+      void
+      reset_right_node (TE& edge, TN& node)
+      {
+        edge.set_right_node (node);
+      }
+
+      // Functions to add edges to a node.
+      //
+    public:
+      template <typename TN, typename TE>
+      void
+      add_edge_left (TN& node, TE& edge)
+      {
+        node.add_edge_left (edge);
+      }
+
+      template <typename TN, typename TE>
+      void
+      add_edge_right (TN& node, TE& edge)
+      {
+        node.add_edge_right (edge);
+      }
+
+      // Functions to delete edges and nodes. In order to delete a
+      // a node without leaving any dangling edges you need to make
+      // sure that each edge pointing to it is either deleted or reset
+      // to some other node.
+      //
+    public:
+      template <typename T, typename L, typename R>
+      void
+      delete_edge (L& left_node, R& right_node, T& edge);
+
+      void
+      delete_node (node_base& node)
+      {
+        if (nodes_.erase (&node) == 0)
+          throw no_node ();
+      }
+
+    public:
+      graph () {}
+
+    private:
+      graph (graph const&);
+
+      graph&
+      operator= (graph const&);
+
+    protected:
+      typedef shared_ptr<node_base> node_ptr;
+      typedef shared_ptr<edge_base> edge_ptr;
+
+      typedef std::map<node_base*, node_ptr> nodes;
+      typedef std::map<edge_base*, edge_ptr> edges;
+
+      nodes nodes_;
+      edges edges_;
+    };
+  }
+}
+
+#include <libcutl/container/graph.txx>
+
+#endif  // CUTL_CONTAINER_GRAPH_HXX
-- 
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