[Boost-commit] svn:boost r64114 - sandbox/geometry/libs/geometry/test/test_geometries

Subject: [Boost-commit] svn:boost r64114 - sandbox/geometry/libs/geometry/test/test_geometries
From: barend.gehrels_at_[hidden]
Date: 2010-07-17 16:30:05

Author: barendgehrels
Date: 2010-07-17 16:30:04 EDT (Sat, 17 Jul 2010)
New Revision: 64114
URL: http://svn.boost.org/trac/boost/changeset/64114

Log:
Added folder test_geometries with geometries which should fulfill the concepts
Added:
   sandbox/geometry/libs/geometry/test/test_geometries/
   sandbox/geometry/libs/geometry/test/test_geometries/wrapped_boost_array.hpp   (contents, props changed)

Added: sandbox/geometry/libs/geometry/test/test_geometries/wrapped_boost_array.hpp
==============================================================================
--- (empty file)
+++ sandbox/geometry/libs/geometry/test/test_geometries/wrapped_boost_array.hpp	2010-07-17 16:30:04 EDT (Sat, 17 Jul 2010)
@@ -0,0 +1,175 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library) test file
+//
+// Copyright Barend Gehrels 2010, Geodan, Amsterdam, the Netherlands
+// Use, modification and distribution is subject to the Boost Software License,
+// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy ar
+// http://www.boost.org/LICENSE_1_0.txt)
+
+
+#ifndef GEOMETRY_TEST_TEST_GEOMETRIES_WRAPPED_BOOST_ARRAY_HPP
+#define GEOMETRY_TEST_TEST_GEOMETRIES_WRAPPED_BOOST_ARRAY_HPP
+
+#include <cstddef>
+#include <vector>
+#include <boost/array.hpp>
+
+
+#include <boost/array.hpp>
+#include <boost/range.hpp>
+
+#include <boost/geometry/core/container_access.hpp>
+#include <boost/geometry/core/tag.hpp>
+#include <boost/geometry/core/tags.hpp>
+
+
+namespace test
+{
+
+template <typename Point, std::size_t Count>
+struct wrapped_boost_array
+{
+    inline wrapped_boost_array() : size(0) {}
+
+    boost::array<Point, Count> array;
+    int size;
+};
+
+
+} // namespace test
+
+
+// 1a: adapt to Boost.Range
+namespace boost
+{
+    using namespace test;
+
+    template <typename Point, std::size_t Count>
+    struct range_mutable_iterator<wrapped_boost_array<Point, Count> >
+        : public range_mutable_iterator<boost::array<Point, Count> >
+    {};
+
+    template <typename Point, std::size_t Count>
+    struct range_const_iterator<wrapped_boost_array<Point, Count> >
+        : public range_const_iterator<boost::array<Point, Count> >
+    {};
+
+
+} // namespace 'boost'
+
+
+// 1b) adapt to Boost.Range with ADP
+namespace test
+{
+    template <typename Point, std::size_t Count>
+    inline typename boost::range_iterator
+        <
+            wrapped_boost_array<Point, Count> 
+        >::type range_begin(wrapped_boost_array<Point, Count>& ar)
+    {
+        return ar.array.begin();
+    }
+
+    template <typename Point, std::size_t Count>
+    inline typename boost::range_iterator
+        <
+            wrapped_boost_array<Point, Count> const
+        >::type range_begin(wrapped_boost_array<Point, Count> const& ar)
+    {
+        return ar.array.begin();
+    }
+
+    template <typename Point, std::size_t Count>
+    inline typename boost::range_iterator
+        <
+            wrapped_boost_array<Point, Count>
+        >::type range_end(wrapped_boost_array<Point, Count>& ar)
+    {
+        typename boost::range_iterator
+            <
+                wrapped_boost_array<Point, Count> 
+            >::type it = ar.array.begin();
+        return it + ar.size;
+    }
+
+    template <typename Point, std::size_t Count>
+    inline typename boost::range_iterator
+        <
+            wrapped_boost_array<Point, Count> const
+        >::type range_end(wrapped_boost_array<Point, Count> const& ar)
+    {
+        typename boost::range_iterator
+            <
+                wrapped_boost_array<Point, Count> const
+            >::type it = ar.array.begin();
+        return it + ar.size;
+    }
+
+}
+
+
+// 2: adapt to Boost.Geometry
+namespace boost { namespace geometry { namespace traits
+{
+
+    template <typename Point, std::size_t Count>
+    struct tag< wrapped_boost_array<Point, Count> >
+    {
+        typedef linestring_tag type;
+    };
+
+    template <typename Point, std::size_t Count>
+    struct clear< wrapped_boost_array<Point, Count> >
+    {
+        static inline void apply(wrapped_boost_array<Point, Count>& ar)
+        {
+            ar.size = 0;
+        }
+    };
+
+
+}}} // namespace boost::geometry::traits
+
+
+
+namespace std
+{
+
+template <typename Point, std::size_t Count>
+class back_insert_iterator< test::wrapped_boost_array<Point, Count> >
+    : public std::iterator<std::output_iterator_tag, void, void, void, void>
+{
+public:
+
+    typedef test::wrapped_boost_array<Point, Count> container_type;
+    typedef back_insert_iterator<container_type> this_type; 
+
+    explicit back_insert_iterator(container_type& ar) 
+        : m_current(boost::begin(ar) + ar.size)
+        , m_array(ar)
+    {}
+
+    inline this_type& operator=(Point const& value) 
+    { 
+        // Check if not passed beyond
+        if (m_array.size < Count)
+        {
+    	    *m_current++ = value;
+            m_array.size++;
+        }
+	    return *this;
+    }
+
+    // Boiler-plate
+    inline this_type& operator*()     { return *this; }
+    inline this_type& operator++()    { return *this; }
+    inline this_type& operator++(int) { return *this; }
+
+private:
+    typename boost::range_iterator<container_type>::type m_current;
+    container_type& m_array;
+};
+
+} // namespace std
+
+
+#endif // GEOMETRY_TEST_TEST_GEOMETRIES_WRAPPED_BOOST_ARRAY_HPP