From 5137b37f86d862cf94cd8a207997c8455c7b85b5 Mon Sep 17 00:00:00 2001
From: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
Date: Thu, 7 Feb 2008 23:56:03 +0100
Subject: [PATCH] add Value support to Rectangle

---
 src/mobility/rectangle.cc | 102 ++++++++++++++++++++++++++++++++++++++
 src/mobility/rectangle.h  |  44 ++++++++++++++++
 2 files changed, 146 insertions(+)

diff --git a/src/mobility/rectangle.cc b/src/mobility/rectangle.cc
index e39f8ae74..01f2ea653 100644
--- a/src/mobility/rectangle.cc
+++ b/src/mobility/rectangle.cc
@@ -20,8 +20,10 @@
 #include "rectangle.h"
 #include "vector.h"
 #include "ns3/assert.h"
+#include "ns3/fatal-error.h"
 #include <cmath>
 #include <algorithm>
+#include <sstream>
 
 namespace ns3 {
 
@@ -117,5 +119,105 @@ Rectangle::CalculateIntersection (const Vector &current, const Vector &speed) co
 
 }
 
+Rectangle::Rectangle (PValue value)
+{
+  const RectangleValue *v = value.DynCast<const RectangleValue *> ();
+  if (v == 0)
+    {
+      NS_FATAL_ERROR ("expecting value of type Rectangle.");
+    }
+  *this = v->Get ();
+}
+Rectangle::operator PValue () const
+{
+  return PValue::Create<RectangleValue> (*this);
+}
+
+
+
+RectangleValue::RectangleValue (const Rectangle &rectangle)
+  : m_rectangle (rectangle)
+{}
+
+void 
+RectangleValue::Set (const Rectangle &v)
+{
+  m_rectangle = v;
+}
+Rectangle 
+RectangleValue::Get (void) const
+{
+  return m_rectangle;
+}
+
+PValue
+RectangleValue::Copy (void) const
+{
+  return PValue::Create<RectangleValue> (*this);
+}
+std::string 
+RectangleValue::SerializeToString (Ptr<const ParamSpec> spec) const
+{
+  std::ostringstream oss;
+  oss << m_rectangle.xMin << "|" << m_rectangle.xMax << "|" << m_rectangle.yMin << "|" << m_rectangle.yMax;
+  return oss.str ();
+}
+void
+RectangleValue::ReadAsDouble (std::string value, double &v, bool &ok)
+{
+  std::istringstream iss;
+  iss.str (value);
+  double local;
+  iss >> local;
+  bool good = !iss.bad () && !iss.fail ();
+  if (good)
+    {
+      v = local;
+    }
+  else
+    {
+      ok = false;
+    }
+}
+bool 
+RectangleValue::DeserializeFromString (std::string value, Ptr<const ParamSpec> spec)
+{
+  bool ok = true;
+  std::istringstream iss;
+  iss.str (value);
+  std::string::size_type cur = 0, next = 0;
+  next = value.find ("|", cur);
+  if (next == std::string::npos)
+    {
+      return false;
+    }
+  ReadAsDouble (value.substr (cur, next-cur), m_rectangle.xMin, ok);
+  cur = next + 1;
+  next = value.find ("|", cur);
+  if (next == std::string::npos)
+    {
+      return false;
+    }
+  ReadAsDouble (value.substr (cur, next-cur), m_rectangle.xMax, ok);
+  cur = next + 1;
+  next = value.find ("|", cur);
+  if (next == std::string::npos)
+    {
+      return false;
+    }
+  ReadAsDouble (value.substr (cur, next-cur), m_rectangle.yMin, ok);
+  cur = next + 1;
+  ReadAsDouble (value.substr (cur, value.size ()-cur), m_rectangle.yMax, ok);
+  return ok;
+}
+
+RectangleValue::RectangleValue (PValue value)
+  : m_rectangle (value)
+{}
+RectangleValue::operator PValue () const
+{
+  return m_rectangle;
+}
+
 
 } // namespace ns3
diff --git a/src/mobility/rectangle.h b/src/mobility/rectangle.h
index d61620960..94a721d23 100644
--- a/src/mobility/rectangle.h
+++ b/src/mobility/rectangle.h
@@ -20,6 +20,9 @@
 #ifndef RECTANGLE_H
 #define RECTANGLE_H
 
+#include "ns3/value.h"
+#include "ns3/param-spec-helper.h"
+
 namespace ns3 {
 
 class Vector;
@@ -58,8 +61,49 @@ public:
   double xMax;
   double yMin;
   double yMax;
+
+  Rectangle (PValue value);
+  operator PValue () const;
 };
 
+class RectangleValue : public Value
+{
+public:
+  RectangleValue (const Rectangle &rectangle);
+
+  void Set (const Rectangle &v);
+  Rectangle Get (void) const;
+
+  // inherited from Parameter base class
+  virtual PValue Copy (void) const;
+  virtual std::string SerializeToString (Ptr<const ParamSpec> spec) const;
+  virtual bool DeserializeFromString (std::string value, Ptr<const ParamSpec> spec);
+
+  RectangleValue (PValue value);
+  operator PValue () const;
+
+private:
+  void ReadAsDouble (std::string value, double &v, bool &ok);
+  Rectangle m_rectangle;
+};
+
+template <typename T>
+Ptr<ParamSpec> MakeRectangleParamSpec (Rectangle T::*memberVariable,
+                                       Rectangle initialValue);
+
+} // namespace ns3
+
+namespace ns3 {
+
+template <typename T>
+Ptr<ParamSpec>
+MakeRectangleParamSpec (Rectangle T::*memberVariable,
+                        Rectangle initialValue)
+{
+  return MakeMemberVariableParamSpec (memberVariable, initialValue);
+}
+
+
 } // namespace ns3
 
 #endif /* RECTANGLE_H */