add boost on mac

macx64/include/boost/geometry/srs/projections/str_cast.hpp

@@ -0,0 +1,160 @@
+// Boost.Geometry
+
+// Copyright (c) 2018, Oracle and/or its affiliates.
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
+
+// Use, modification and distribution is subject to the Boost Software License,
+// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_GEOMETRY_SRS_PROJECTIONS_STR_CAST_HPP
+#define BOOST_GEOMETRY_SRS_PROJECTIONS_STR_CAST_HPP
+
+#include <boost/config.hpp>
+#include <boost/geometry/core/exception.hpp>
+#include <boost/throw_exception.hpp>
+#include <boost/type_traits/is_integral.hpp>
+#include <boost/type_traits/is_signed.hpp>
+
+#include <cstdlib>
+#include <string>
+
+namespace boost { namespace geometry
+{
+
+class bad_str_cast : public geometry::exception
+{
+    virtual char const* what() const throw()
+    {
+        return "Unable to convert from string.";
+    }
+};
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail
+{
+
+template
+<
+    typename T,
+    bool IsIntegral = boost::is_integral<T>::value,
+    bool IsSigned = boost::is_signed<T>::value
+>
+struct str_cast_traits_strtox
+{
+    static inline T apply(const char *str, char **str_end)
+    {
+        return strtod(str, str_end);
+    }
+};
+
+template <typename T>
+struct str_cast_traits_strtox<T, true, true>
+{
+    static inline T apply(const char *str, char **str_end)
+    {
+        return strtol(str, str_end, 0);
+    }
+};
+
+template <typename T>
+struct str_cast_traits_strtox<T, true, false>
+{
+    static inline T apply(const char *str, char **str_end)
+    {
+        return strtoul(str, str_end, 0);
+    }
+};
+
+template <typename T>
+struct str_cast_traits_strtox<T, false, false>
+{
+    static inline T apply(const char *str, char **str_end)
+    {
+        return strtod(str, str_end);
+    }
+};
+
+// Assuming a compiler supporting r-value references
+// supports long long and strtoll, strtoull, strtof, strtold
+// If it's MSVC enable in MSVC++ 12.0 aka Visual Studio 2013
+// TODO: in MSVC-11.0 _strtoi64() intrinsic could be used
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && (!defined(_MSC_VER) || (_MSC_VER >= 1800))
+template <>
+struct str_cast_traits_strtox<long long, true, true>
+{
+    static inline long long apply(const char *str, char **str_end)
+    {
+        return strtoll(str, str_end, 0);
+    }
+};
+
+template <>
+struct str_cast_traits_strtox<unsigned long long, true, false>
+{
+    static inline unsigned long long apply(const char *str, char **str_end)
+    {
+        return strtoull(str, str_end, 0);
+    }
+};
+
+template <>
+struct str_cast_traits_strtox<float, false, false>
+{
+    static inline float apply(const char *str, char **str_end)
+    {
+        return strtof(str, str_end);
+    }
+};
+
+template <>
+struct str_cast_traits_strtox<long double, false, false>
+{
+    static inline long double apply(const char *str, char **str_end)
+    {
+        return strtold(str, str_end);
+    }
+};
+#endif // C++11 strtox supported
+
+template <typename T>
+struct str_cast_traits_generic
+{
+    static inline T apply(const char *str)
+    {
+        char * str_end = (char*)(void*)str;
+        T res = str_cast_traits_strtox
+                    <
+                        typename boost::remove_cv<T>::type
+                    >::apply(str, &str_end);
+        if (str_end == str)
+        {
+            BOOST_THROW_EXCEPTION( bad_str_cast() );
+        }
+        return res;
+    }
+};
+
+} // namespace detail
+#endif // DOXYGEN_NO_DETAIL
+
+template <typename T>
+struct str_cast_traits
+{
+    template <typename String>
+    static inline T apply(String const& str)
+    {
+        return detail::str_cast_traits_generic<T>::apply(str.c_str());
+    }
+};
+
+template <typename T, typename String>
+inline T str_cast(String const& str)
+{
+    return str_cast_traits<T>::apply(str);
+}
+
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_SRS_PROJECTIONS_STR_CAST_HPP