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diff --git a/src/mapnik_image.cpp b/src/mapnik_image.cpp
index 9add692c9..488427b56 100644
--- a/src/mapnik_image.cpp
+++ b/src/mapnik_image.cpp
@@ -230,7 +230,7 @@ unsigned get_type(mapnik::image_any & im)
std::shared_ptr<image_any> open_from_file(std::string const& filename)
{
- boost::optional<std::string> type = type_from_filename(filename);
+ auto type = type_from_filename(filename);
if (type)
{
std::unique_ptr<image_reader> reader(get_image_reader(filename,*type));
diff --git a/src/mapnik_layer.cpp b/src/mapnik_layer.cpp
index 4fc7ea579..fbd277a81 100644
--- a/src/mapnik_layer.cpp
+++ b/src/mapnik_layer.cpp
@@ -95,7 +95,7 @@ struct layer_pickle_suite : boost::python::pickle_suite
std::vector<std::string> & (mapnik::layer::*_styles_)() = &mapnik::layer::styles;
-void set_maximum_extent(mapnik::layer & l, boost::optional<mapnik::box2d<double> > const& box)
+void set_maximum_extent(mapnik::layer & l, std::optional<mapnik::box2d<double> > const& box)
{
if (box)
{
@@ -107,7 +107,7 @@ void set_maximum_extent(mapnik::layer & l, boost::optional<mapnik::box2d<double>
}
}
-void set_buffer_size(mapnik::layer & l, boost::optional<int> const& buffer_size)
+void set_buffer_size(mapnik::layer & l, std::optional<int> const& buffer_size)
{
if (buffer_size)
{
@@ -121,7 +121,7 @@ void set_buffer_size(mapnik::layer & l, boost::optional<int> const& buffer_size)
PyObject * get_buffer_size(mapnik::layer & l)
{
- boost::optional<int> buffer_size = l.buffer_size();
+ std::optional<int> buffer_size = l.buffer_size();
if (buffer_size)
{
#if PY_VERSION_HEX >= 0x03000000
diff --git a/src/mapnik_map.cpp b/src/mapnik_map.cpp
index 3587e5d8a..cfa523b03 100644
--- a/src/mapnik_map.cpp
+++ b/src/mapnik_map.cpp
@@ -105,7 +105,7 @@ mapnik::featureset_ptr query_map_point(mapnik::Map const& m, int index, double x
return m.query_map_point(idx, x, y);
}
-void set_maximum_extent(mapnik::Map & m, boost::optional<mapnik::box2d<double> > const& box)
+void set_maximum_extent(mapnik::Map & m, std::optional<mapnik::box2d<double> > const& box)
{
if (box)
{
diff --git a/src/python_optional.hpp b/src/python_optional.hpp
index d690b7c51..9d86c340e 100644
--- a/src/python_optional.hpp
+++ b/src/python_optional.hpp
@@ -28,7 +28,7 @@
#include <mapnik/util/noncopyable.hpp>
#pragma GCC diagnostic pop
-// boost::optional<T> to/from converter from John Wiegley
+// std::optional<T> to/from converter from John Wiegley
template <typename T, typename TfromPy>
struct object_from_python
@@ -54,7 +54,7 @@ struct python_optional : public mapnik::util::noncopyable
{
struct optional_to_python
{
- static PyObject * convert(const boost::optional<T>& value)
+ static PyObject * convert(const std::optional<T>& value)
{
return (value ? boost::python::to_python_value<T>()(*value) :
boost::python::detail::none());
@@ -90,9 +90,9 @@ struct python_optional : public mapnik::util::noncopyable
data)->storage.bytes;
if (data->convertible == source) // == None
- new (storage) boost::optional<T>(); // A Boost uninitialized value
+ new (storage) std::optional<T>(); // A Boost uninitialized value
else
- new (storage) boost::optional<T>(*static_cast<T *>(data->convertible));
+ new (storage) std::optional<T>(*static_cast<T *>(data->convertible));
data->convertible = storage;
}
@@ -100,18 +100,18 @@ struct python_optional : public mapnik::util::noncopyable
explicit python_optional()
{
- register_python_conversion<boost::optional<T>,
+ register_python_conversion<std::optional<T>,
optional_to_python, optional_from_python>();
}
};
-// to/from boost::optional<bool>
+// to/from std::optional<bool>
template <>
struct python_optional<float> : public mapnik::util::noncopyable
{
struct optional_to_python
{
- static PyObject * convert(const boost::optional<float>& value)
+ static PyObject * convert(const std::optional<float>& value)
{
return (value ? PyFloat_FromDouble(*value) :
boost::python::detail::none());
@@ -133,30 +133,30 @@ struct python_optional<float> : public mapnik::util::noncopyable
boost::python::converter::rvalue_from_python_stage1_data * data)
{
using namespace boost::python::converter;
- void * const storage = ((rvalue_from_python_storage<boost::optional<bool> > *)
+ void * const storage = ((rvalue_from_python_storage<std::optional<bool> > *)
data)->storage.bytes;
if (source == Py_None) // == None
- new (storage) boost::optional<float>(); // A Boost uninitialized value
+ new (storage) std::optional<float>(); // A Boost uninitialized value
else
- new (storage) boost::optional<float>(PyFloat_AsDouble(source));
+ new (storage) std::optional<float>(PyFloat_AsDouble(source));
data->convertible = storage;
}
};
explicit python_optional()
{
- register_python_conversion<boost::optional<float>,
+ register_python_conversion<std::optional<float>,
optional_to_python, optional_from_python>();
}
};
-// to/from boost::optional<float>
+// to/from std::optional<float>
template <>
struct python_optional<bool> : public mapnik::util::noncopyable
{
struct optional_to_python
{
- static PyObject * convert(const boost::optional<bool>& value)
+ static PyObject * convert(const std::optional<bool>& value)
{
if (value)
{
@@ -181,13 +181,13 @@ struct python_optional<bool> : public mapnik::util::noncopyable
boost::python::converter::rvalue_from_python_stage1_data * data)
{
using namespace boost::python::converter;
- void * const storage = ((rvalue_from_python_storage<boost::optional<bool> > *)
+ void * const storage = ((rvalue_from_python_storage<std::optional<bool> > *)
data)->storage.bytes;
if (source == Py_None) // == None
- new (storage) boost::optional<bool>(); // A Boost uninitialized value
+ new (storage) std::optional<bool>(); // A Boost uninitialized value
else
{
- new (storage) boost::optional<bool>(source == Py_True ? true : false);
+ new (storage) std::optional<bool>(source == Py_True ? true : false);
}
data->convertible = storage;
}
@@ -195,7 +195,7 @@ struct python_optional<bool> : public mapnik::util::noncopyable
explicit python_optional()
{
- register_python_conversion<boost::optional<bool>,
+ register_python_conversion<std::optional<bool>,
optional_to_python, optional_from_python>();
}
};
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