Merge branch 'master' into spirit-x3

include/mapnik/enumeration.hpp

@@ -246,6 +246,16 @@ private:
     static bool  our_verified_flag_;
 };
 
+/** ostream operator for enumeration
+ * @relates mapnik::enumeration
+ */
+template <class ENUM, int THE_MAX>
+std::ostream &
+operator<<(std::ostream & os, const mapnik::enumeration<ENUM, THE_MAX> & e)
+{
+    return os << e.as_string();
+}
+
 } // end of namespace
 
 /** Helper macro.

include/mapnik/gradient.hpp

@@ -28,7 +28,6 @@
 
 // mapnik
 #include <mapnik/color.hpp>
-#include <mapnik/enumeration.hpp>
 
 // stl
 #include <vector>
@@ -39,26 +38,20 @@ namespace mapnik
 using stop_pair = std::pair<double, mapnik::color>;
 using stop_array = std::vector<stop_pair >;
 
-enum gradient_enum
+enum gradient_e
 {
     NO_GRADIENT,
     LINEAR,
-    RADIAL,
-    gradient_enum_MAX
+    RADIAL
 };
 
-DEFINE_ENUM( gradient_e, gradient_enum );
-
-enum gradient_unit_enum
+enum gradient_unit_e
 {
     USER_SPACE_ON_USE,
     USER_SPACE_ON_USE_BOUNDING_BOX, // used to indicate % age values were specified. This are % of the svg image extent.
-    OBJECT_BOUNDING_BOX, //  (i.e., the abstract coordinate system where (0,0) is at the top/left of the object bounding box and (1,1) is at the bottom/right of the object bounding box)
-    gradient_unit_enum_MAX
+    OBJECT_BOUNDING_BOX //  (i.e., the abstract coordinate system where (0,0) is at the top/left of the object bounding box and (1,1) is at the bottom/right of the object bounding box)
 };
 
-DEFINE_ENUM( gradient_unit_e, gradient_unit_enum );
-
 class MAPNIK_DECL gradient
 {
     // transform

src/gradient.cpp

@@ -26,24 +26,6 @@
 namespace mapnik
 {
 
-static const char * gradient_strings[] = {
-    "no-gradient",
-    "linear",
-    "radial",
-    ""
-};
-
-IMPLEMENT_ENUM( gradient_e, gradient_strings )
-
-static const char * gradient_unit_strings[] = {
-    "user-space-on-use",
-    "user-space-on-use-bounding-box",
-    "object-bounding-box",
-    ""
-};
-
-IMPLEMENT_ENUM( gradient_unit_e, gradient_unit_strings )
-
 gradient::gradient()
 : transform_(),
   x1_(0),

src/save_map.cpp

@@ -104,7 +104,7 @@ void serialize_raster_colorizer(ptree & sym_node,
     raster_colorizer dfl;
     if (colorizer->get_default_mode() != dfl.get_default_mode() || explicit_defaults)
     {
-        set_attr(col_node, "default-mode", colorizer->get_default_mode());
+        set_attr(col_node, "default-mode", colorizer->get_default_mode().as_string());
     }
     if (colorizer->get_default_color() != dfl.get_default_color() || explicit_defaults)
     {
@@ -403,7 +403,7 @@ void serialize_style( ptree & map_node, std::string const& name, feature_type_st
     filter_mode_e filter_mode = style.get_filter_mode();
     if (filter_mode != dfl.get_filter_mode() || explicit_defaults)
     {
-        set_attr(style_node, "filter-mode", filter_mode);
+        set_attr(style_node, "filter-mode", filter_mode.as_string());
     }
 
     double opacity = style.get_opacity();

test/unit/numerics/enumeration.cpp

@@ -0,0 +1,36 @@
+#include "catch.hpp"
+#include <mapnik/enumeration.hpp>
+#include <sstream>
+
+namespace mapnik {
+
+    enum _test_enumeration_enum : std::uint8_t
+    {
+        TEST_ONE,
+        TEST_TWO,
+        _test_enumeration_enum_MAX
+    };
+
+    DEFINE_ENUM( _test_enumeration_e, _test_enumeration_enum );
+
+    static const char * _test_enumeration_strings[] = {
+        "test_one",
+        "test_two",
+        ""
+    };
+
+    IMPLEMENT_ENUM( _test_enumeration_e, _test_enumeration_strings )
+
+}
+
+TEST_CASE("enumeration") {
+
+        mapnik::_test_enumeration_e e(mapnik::TEST_ONE);
+        CHECK( e.as_string() == "test_one" );
+        // test the << operator, which calls `as_string` internally
+        // this is not used in mapnik, but kept for back compat
+        std::stringstream s;
+        s << e;
+        CHECK( s.str() == "test_one" );
+
+}