Added initial support for hash tables unordered_ types.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/gsoc2009-matevz@11418 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Lib/python/std_unordered_set.i

@@ -0,0 +1,55 @@
+/*
+  Unordered Sets
+*/
+
+%fragment("StdUnorderedSetTraits","header",fragment="StdSequenceTraits")
+%{
+  namespace swig {
+    template <class SwigPySeq, class T> 
+    inline void 
+    assign(const SwigPySeq& swigpyseq, std::unordered_set<T>* seq) {
+      // seq->insert(swigpyseq.begin(), swigpyseq.end()); // not used as not always implemented
+      typedef typename SwigPySeq::value_type value_type;
+      typename SwigPySeq::const_iterator it = swigpyseq.begin();
+      for (;it != swigpyseq.end(); ++it) {
+	seq->insert(seq->end(),(value_type)(*it));
+      }
+    }
+
+    template <class T>
+    struct traits_asptr<std::unordered_set<T> >  {
+      static int asptr(PyObject *obj, std::unordered_set<T> **s) {
+	return traits_asptr_stdseq<std::unordered_set<T> >::asptr(obj, s);
+      }
+    };
+
+    template <class T>
+    struct traits_from<std::unordered_set<T> > {
+      static PyObject *from(const std::unordered_set<T>& vec) {
+	return traits_from_stdseq<std::unordered_set<T> >::from(vec);
+      }
+    };
+  }
+%}
+
+%define %swig_unordered_set_methods(unordered_set...)
+  %swig_sequence_iterator(unordered_set);
+  %swig_container_methods(unordered_set);
+
+  %extend  {
+     void append(value_type x) {
+       self->insert(x);
+     }
+  
+     bool __contains__(value_type x) {
+       return self->find(x) != self->end();
+     }
+
+     value_type __getitem__(difference_type i) const throw (std::out_of_range) {
+       return *(swig::cgetpos(self, i));
+     }
+
+  };
+%enddef
+
+%include <std/std_unordered_set.i>