Add CSS parser grammar + move into separate include/css and src/css dirs.

Makefile

@@ -28,7 +28,8 @@ src/json/libmapnik-json.a:
 		src/renderer_common/render_thunk_extractor.os \
 		src/json/libmapnik-json.a \
 		src/wkt/libmapnik-wkt.a \
-		src/css_color_grammar_x3.os \
+		src/css/css_grammar_x3.os \
+		src/css/css_color_grammar_x3.os \
 		src/expression_grammar_x3.os \
 		src/transform_expression_grammar_x3.os \
 		src/image_filter_grammar_x3.os \

include/build.py

@@ -28,6 +28,7 @@ subdirglobs = [
     ('.',                    'mapnik/*.hpp'),
     ('agg',                  '../deps/agg/include/agg*'),
     ('cairo',                'mapnik/cairo/*.hpp'),
+    ('css',                  'mapnik/css/*.hpp'),
     ('csv',                  'mapnik/csv/*.hpp'),
     ('deps/mapbox',          '../deps/mapbox/variant/include/mapbox/*.hpp'),
     ('deps/mapbox',          '../deps/mapbox/geometry/include/mapbox/*.hpp'),

include/mapnik/css/css_color_grammar_x3_def.hpp

@@ -25,7 +25,7 @@
 #ifndef MAPNIK_CSS_COLOR_GRAMMAR_X3_DEF_HPP
 #define MAPNIK_CSS_COLOR_GRAMMAR_X3_DEF_HPP
 
-#include <mapnik/css_color_grammar_x3.hpp>
+#include <mapnik/css/css_color_grammar_x3.hpp>
 #include <mapnik/util/hsl.hpp>
 #include <mapnik/safe_cast.hpp>
 

include/mapnik/image_filter_grammar_x3_def.hpp

@@ -26,7 +26,7 @@
 
 #include <mapnik/image_filter_grammar_x3.hpp>
 #include <mapnik/image_filter_types.hpp>
-#include <mapnik/css_color_grammar_x3.hpp>
+#include <mapnik/css/css_color_grammar_x3.hpp>
 
 #pragma GCC diagnostic push
 #include <mapnik/warning_ignore.hpp>

src/build.py

@@ -152,7 +152,6 @@ else: # unix, non-macos
 source = Split(
     """
     expression_grammar_x3.cpp
-    css_color_grammar_x3.cpp
     fs.cpp
     request.cpp
     well_known_srs.cpp
@@ -225,6 +224,8 @@ source = Split(
     raster_colorizer.cpp
     mapped_memory_cache.cpp
     marker_cache.cpp
+    css/css_color_grammar_x3.cpp
+    css/css_grammar_x3.cpp
     svg/svg_parser.cpp
     svg/svg_path_parser.cpp
     svg/svg_points_parser.cpp

src/color_factory.cpp

@@ -24,7 +24,7 @@
 #include <mapnik/color.hpp>
 #include <mapnik/color_factory.hpp>
 #include <mapnik/config_error.hpp>
-#include <mapnik/css_color_grammar_x3.hpp>
+#include <mapnik/css/css_color_grammar_x3.hpp>
 
 namespace mapnik {
 

src/css/css_color_grammar_x3.cpp

@@ -20,7 +20,8 @@
  *
  *****************************************************************************/
 
-#include <mapnik/css_color_grammar_x3_def.hpp>
+#include <mapnik/css/css_grammar_x3.hpp>
+#include <mapnik/css/css_color_grammar_x3_def.hpp>
 #if BOOST_VERSION < 107000
 #include <mapnik/image_filter_types.hpp>
 #endif
@@ -29,8 +30,10 @@ namespace mapnik { namespace css_color_grammar {
 namespace x3 = boost::spirit::x3;
 using iterator_type = std::string::const_iterator;
 using context_type = x3::phrase_parse_context<x3::ascii::space_type>::type;
+using context_skipper_type = x3::phrase_parse_context<css_grammar::css_skipper_type>::type;
 
 BOOST_SPIRIT_INSTANTIATE(css_color_grammar_type, iterator_type, context_type);
+BOOST_SPIRIT_INSTANTIATE(css_color_grammar_type, iterator_type, context_skipper_type);
 
 #if BOOST_VERSION < 107000
 template bool parse_rule<iterator_type, context_type, mapnik::filter::color_to_alpha>

src/css/css_grammar_x3.cpp

@@ -0,0 +1,58 @@
+/*****************************************************************************
+ *
+ * This file is part of Mapnik (c++ mapping toolkit)
+ *
+ * Copyright (C) 2020 Artem Pavlenko
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ *****************************************************************************/
+
+#include <mapnik/css/css_grammar_x3_def.hpp>
+#include <mapnik/css/css_color_grammar_x3.hpp>
+
+namespace mapnik { namespace css_grammar {
+
+namespace x3 = boost::spirit::x3;
+using iterator_type = std::string::const_iterator;
+using context_type = x3::phrase_parse_context<css_skipper_type>::type;
+
+BOOST_SPIRIT_INSTANTIATE(ident_grammar_type, iterator_type, context_type);
+BOOST_SPIRIT_INSTANTIATE(css_classes_type, iterator_type, context_type);
+BOOST_SPIRIT_INSTANTIATE(css_grammar_type, iterator_type, context_type);
+BOOST_SPIRIT_INSTANTIATE(css_skipper_type, iterator_type, x3::unused_type);
+}
+
+
+css_grammar::ident_grammar_type const ident_grammar()
+{
+    return css_grammar::ident;
+}
+
+css_grammar::css_classes_type const classes()
+{
+    return css_grammar::css_classes;
+}
+
+css_grammar::css_grammar_type const grammar()
+{
+    return css_grammar::css_grammar;
+}
+
+css_grammar::css_skipper_type const skipper()
+{
+    return css_grammar::css_skipper;
+}
+}

test/unit/color/css_color.cpp

@@ -2,8 +2,8 @@
 
 #include <mapnik/safe_cast.hpp>
 #include <mapnik/color.hpp>
-#include <mapnik/css_color_grammar_x3.hpp>
-#include <mapnik/css_color_grammar_x3_def.hpp>
+#include <mapnik/css/css_color_grammar_x3.hpp>
+#include <mapnik/css/css_color_grammar_x3_def.hpp>
 
 #include <sstream>