add boost on mac

macx64/include/boost/gil/io/make_reader.hpp

@@ -0,0 +1,199 @@
+//
+// Copyright 2012 Christian Henning
+//
+// Distributed under 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_GIL_IO_MAKE_READER_HPP
+#define BOOST_GIL_IO_MAKE_READER_HPP
+
+#include <boost/gil/io/get_reader.hpp>
+
+#include <boost/mpl/and.hpp>
+
+#include <type_traits>
+
+namespace boost { namespace gil {
+
+template <typename String, typename FormatTag, typename ConversionPolicy>
+inline
+auto make_reader(
+    String const&file_name,
+    image_read_settings<FormatTag> const& settings,
+    ConversionPolicy const&,
+    typename std::enable_if
+    <
+        mpl::and_
+        <
+            detail::is_supported_path_spec<String>,
+            is_format_tag<FormatTag>
+        >::value
+    >::type* /*dummy*/ = nullptr)
+    -> typename get_reader<String, FormatTag, ConversionPolicy>::type
+{
+    typename get_read_device<String, FormatTag>::type device(
+    detail::convert_to_native_string(file_name),
+    typename detail::file_stream_device<FormatTag>::read_tag());
+
+    return
+    typename get_reader<String, FormatTag, ConversionPolicy>::type(device, settings);
+}
+
+template< typename FormatTag
+        , typename ConversionPolicy
+        >
+inline
+typename get_reader< std::wstring
+                   , FormatTag
+                   , ConversionPolicy
+                   >::type
+make_reader( const std::wstring& file_name
+           , const image_read_settings< FormatTag >& settings
+           , const ConversionPolicy&
+           )
+{
+    const char* str = detail::convert_to_native_string( file_name );
+
+    typename get_read_device< std::wstring
+                            , FormatTag
+                            >::type device( str
+                                          , typename detail::file_stream_device< FormatTag >::read_tag()
+                                          );
+
+    delete[] str; // TODO: RAII
+
+    return typename get_reader< std::wstring
+                              , FormatTag
+                              , ConversionPolicy
+                              >::type( device
+                                     , settings
+                                     );
+}
+
+#ifdef BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
+template< typename FormatTag
+        , typename ConversionPolicy
+        >
+inline
+typename get_reader< std::wstring
+                   , FormatTag
+                   , ConversionPolicy
+                   >::type
+make_reader( const filesystem::path&                 path
+           , const image_read_settings< FormatTag >& settings
+           , const ConversionPolicy&                 cc
+           )
+{
+    return make_reader( path.wstring()
+                      , settings
+                      , cc
+                      );
+}
+#endif // BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
+
+template <typename Device, typename FormatTag, typename ConversionPolicy>
+inline
+auto make_reader(
+    Device& file,
+    image_read_settings<FormatTag> const& settings,
+    ConversionPolicy const&,
+    typename std::enable_if
+    <
+        mpl::and_
+        <
+            detail::is_adaptable_input_device<FormatTag, Device>,
+            is_format_tag<FormatTag>
+        >::value
+    >::type* /*dummy*/ = nullptr)
+    -> typename get_reader<Device, FormatTag, ConversionPolicy>::type
+{
+    typename get_read_device<Device, FormatTag>::type device(file);
+
+    return
+        typename get_reader<Device, FormatTag, ConversionPolicy>::type(device, settings);
+}
+
+// no image_read_settings
+
+template <typename String, typename FormatTag, typename ConversionPolicy>
+inline
+auto make_reader(
+    String const&file_name,
+    FormatTag const&,
+    ConversionPolicy const& cc,
+    typename std::enable_if
+    <
+        mpl::and_
+        <
+            detail::is_supported_path_spec<String>,
+            is_format_tag<FormatTag>
+        >::value
+    >::type* /*dummy*/ = nullptr)
+    ->  typename get_reader<String, FormatTag, ConversionPolicy>::type
+{
+    return make_reader(file_name, image_read_settings<FormatTag>(), cc);
+}
+
+template< typename FormatTag
+        , typename ConversionPolicy
+        >
+inline
+typename get_reader< std::wstring
+                   , FormatTag
+                   , ConversionPolicy
+                   >::type
+make_reader( const std::wstring&     file_name
+           , const FormatTag&
+           , const ConversionPolicy& cc
+           )
+{
+    return make_reader( file_name
+                      , image_read_settings< FormatTag >()
+                      , cc
+                      );
+}
+
+#ifdef BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
+template< typename FormatTag
+        , typename ConversionPolicy
+        >
+inline
+typename get_reader< std::wstring
+                   , FormatTag
+                   , ConversionPolicy
+                   >::type
+make_reader( const filesystem::path& path
+           , const FormatTag&
+           , const ConversionPolicy& cc
+           )
+{
+    return make_reader( path.wstring()
+                      , image_read_settings< FormatTag >()
+                      , cc
+                      );
+}
+#endif // BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
+
+template <typename Device, typename FormatTag, typename ConversionPolicy>
+inline
+auto make_reader(
+    Device& file,
+    FormatTag const&,
+    ConversionPolicy const& cc,
+    typename std::enable_if
+    <
+        mpl::and_
+        <
+            detail::is_adaptable_input_device<FormatTag, Device>,
+            is_format_tag<FormatTag>
+        >::value
+    >::type* /*dummy*/ = nullptr)
+    -> typename get_reader<Device, FormatTag, ConversionPolicy>::type
+{
+    return make_reader(file, image_read_settings<FormatTag>(), cc);
+}
+
+}} // namespace boost::gil
+
+#endif