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load_map : allow optional expressions in symbolizer properties (work-in-progress)

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This commit is contained in:
artemp 2013-12-04 11:47:36 +00:00
parent 442ffbe911
commit 37fea12091
1 changed files with 19 additions and 11 deletions
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26
src/load_map.cpp
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@ -106,15 +106,11 @@ private:
void parse_raster_symbolizer(rule & rule, xml_node const& sym);
void parse_markers_symbolizer(rule & rule, xml_node const& sym);
void parse_debug_symbolizer(rule & rule, xml_node const& sym);
bool parse_raster_colorizer(raster_colorizer_ptr const& rc, xml_node const& node);
void parse_stroke(symbolizer_base & symbol, xml_node const & sym);
void ensure_font_face(std::string const& face_name);
void find_unused_nodes(xml_node const& root);
void find_unused_nodes_recursive(xml_node const& node, std::string & error_text);
std::string ensure_relative_to_xml(boost::optional<std::string> const& opt_path);
void ensure_exists(std::string const& file_path);
boost::optional<color> get_opt_color_attr(boost::property_tree::ptree const& node,
@ -1298,9 +1294,16 @@ void map_parser::parse_stroke(symbolizer_base & symbol, xml_node const & sym)
if (stroke) put(symbol, keys::stroke, *stroke);
// stroke-width
try
{
optional<double> width = sym.get_opt_attr<double>("stroke-width");
if (width) put(symbol, keys::stroke_width, *width);
}
catch (...)
{
optional<expression_ptr> width = sym.get_opt_attr<expression_ptr>("stroke-width");
if (width) put(symbol, keys::stroke_width, *width);
}
// stroke-opacity
optional<double> opacity = sym.get_opt_attr<double>("stroke-opacity");
if (opacity) put(symbol, keys::stroke_opacity, *opacity);
@ -1396,12 +1399,17 @@ void map_parser::parse_polygon_symbolizer(rule & rule, xml_node const & sym)
{
polygon_symbolizer poly_sym;
// fill
optional<color> fill = sym.get_opt_attr<color>("fill");
//optional<expression_ptr> fill = sym.get_opt_attr<expression_ptr>("fill");
if (fill)
try
{
put(poly_sym, keys::fill, *fill);
optional<color> fill = sym.get_opt_attr<color>("fill");
if (fill) put(poly_sym, keys::fill, *fill);
}
catch (...)
{
optional<expression_ptr> fill = sym.get_opt_attr<expression_ptr>("fill");
if (fill) put(poly_sym, keys::fill, *fill);
}
// fill-opacity
optional<double> opacity = sym.get_opt_attr<double>("fill-opacity");
if (opacity) put(poly_sym, keys::fill_opacity, *opacity);