The great merge

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@4141 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/python/smartptr/Makefile

@@ -0,0 +1,21 @@
+TOP        = ../..
+SWIG       = $(TOP)/../swig
+CXXSRCS    = example.cxx
+TARGET     = example
+INTERFACE  = example.i
+LIBS       = -lm
+SWIGOPT    = 
+
+all::
+	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' python_cpp
+
+static::
+	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='mypython' INTERFACE='$(INTERFACE)' python_cpp_static
+
+clean::
+	$(MAKE) -f $(TOP)/Makefile python_clean
+	rm -f $(TARGET).py
+
+check: all

Examples/python/smartptr/example.cxx

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+/* File : example.c */
+
+#include "example.h"
+#include <math.h>
+
+/* Move the shape to a new location */
+void Shape::move(double dx, double dy) {
+  x += dx;
+  y += dy;
+}
+
+int Shape::nshapes = 0;
+
+double Circle::area() {
+  return M_PI*radius*radius;
+}
+
+double Circle::perimeter() {
+  return 2*M_PI*radius;
+}
+
+double Square::area() {
+  return width*width;
+}
+
+double Square::perimeter() {
+  return 4*width;
+}

Examples/python/smartptr/example.h

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+/* File : example.h */
+
+class Shape {
+public:
+  Shape() {
+    nshapes++;
+  }
+  virtual ~Shape() {
+    nshapes--;
+  };
+  double  x, y;   
+  void    move(double dx, double dy);
+  virtual double area() = 0;
+  virtual double perimeter() = 0;
+  static  int nshapes;
+};
+
+class Circle : public Shape {
+private:
+  double radius;
+public:
+  Circle(double r) : radius(r) { };
+  virtual double area();
+  virtual double perimeter();
+};
+  
+class Square : public Shape {
+private:
+  double width;
+public:
+  Square(double w) : width(w) { };
+  virtual double area();
+  virtual double perimeter();
+};
+
+
+
+
+  

Examples/python/smartptr/example.i

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+/* File : example.i */
+%module example
+
+%{
+#include "example.h"
+#include "smartptr.h"
+%}
+
+/* Let's just grab the original header file here */
+%include "example.h"
+
+/* Grab smart pointer template */
+
+%include "smartptr.h"
+
+/* Instantiate smart-pointers */
+
+%template(ShapePtr) SmartPtr<Shape>;
+
+

Examples/python/smartptr/runme.py

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+# file: runme.py
+
+# This file illustrates the shadow-class C++ interface generated
+# by SWIG.
+
+import example 
+
+# ----- Object creation -----
+
+print "Creating some objects:"
+cc = example.Circle(10)
+c = example.ShapePtr(cc)
+print "    Created circle", c
+ss = example.Square(10)
+s = example.ShapePtr(ss)
+print "    Created square", s
+
+# ----- Access a static member -----
+
+print "\nA total of", example.cvar.Shape_nshapes,"shapes were created"
+
+# ----- Member data access -----
+
+# Set the location of the object
+
+c.x = 20
+c.y = 30
+
+s.x = -10
+s.y = 5
+
+print "\nHere is their current position:"
+print "    Circle = (%f, %f)" % (c.x,c.y)
+print "    Square = (%f, %f)" % (s.x,s.y)
+
+# ----- Call some methods -----
+
+print "\nHere are some properties of the shapes:"
+for o in [c,s]:
+      print "   ", o
+      print "        area      = ", o.area()
+      print "        perimeter = ", o.perimeter()
+
+print "\nGuess I'll clean up now"
+
+# Note: this invokes the virtual destructor
+del c
+del s
+del cc
+del ss
+
+s = 3
+print example.cvar.Shape_nshapes,"shapes remain"
+print "Goodbye"
+

Examples/python/smartptr/smartptr.h

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+template<class T> class SmartPtr {
+public:
+   SmartPtr(T *realPtr = 0) { pointee = realPtr; }
+   T *operator->() const {
+       return pointee;
+   }
+   T &operator*() const {
+      return *pointee;
+   }
+private:
+   T *pointee;
+};
+