Adding a new command line option osrm-extract --with-osm-metadata

This keep the metadata reader flag disabled by default unless explicitly specified.

Signed-off-by: FILLAU Jean-Maxime <jean-maxime.fillau@mapotempo.com>

include/extractor/extractor_config.hpp

@@ -102,6 +102,8 @@ struct ExtractorConfig
     bool generate_edge_lookup;
     std::string edge_penalty_path;
     std::string edge_segment_lookup_path;
+
+    bool use_metadata;
 };
 }
 }

src/extractor/extractor.cpp

@@ -130,7 +130,11 @@ int Extractor::run(ScriptingEnvironment &scripting_environment)
         auto extractor_callbacks = std::make_unique<ExtractorCallbacks>(extraction_containers);
 
         const osmium::io::File input_file(config.input_path.string());
-        osmium::io::Reader reader(input_file, osmium::io::read_meta::no);
+
+        osmium::io::Reader reader(
+            input_file,
+            (config.use_metadata ? osmium::io::read_meta::yes : osmium::io::read_meta::no));
+
         const osmium::io::Header header = reader.header();
 
         unsigned number_of_nodes = 0;

src/tools/extract.cpp

@@ -50,7 +50,12 @@ return_code parseArguments(int argc, char *argv[], extractor::ExtractorConfig &e
         boost::program_options::value<unsigned int>(&extractor_config.small_component_size)
             ->default_value(1000),
         "Number of nodes required before a strongly-connected-componennt is considered big "
-        "(affects nearest neighbor snapping)");
+        "(affects nearest neighbor snapping)")(
+        "with-osm-metadata",
+        boost::program_options::value<bool>(&extractor_config.use_metadata)
+            ->implicit_value(true)
+            ->default_value(false),
+        "Use metada during osm parsing (This can affect the extraction performance).");
 
     // hidden options, will be allowed on command line, but will not be
     // shown to the user