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Wrap way.nodes() returned reference into sol::as_table

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This commit is contained in:
Michael Krasnyk
2016-12-17 15:38:14 +01:00
committed by Moritz Kobitzsch
parent e6ff17ab2a
commit 2640a319c1
2 changed files with 40 additions and 15 deletions
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src/extractor/scripting_environment_lua.cpp
+12 -15
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@@ -74,8 +74,6 @@ template <class T> double lonToDouble(T const &object)
return static_cast<double>(util::toFloating(object.lon));
}
auto get_nodes_for_way(const osmium::Way &way) -> decltype(way.nodes()) { return way.nodes(); }
Sol2ScriptingEnvironment::Sol2ScriptingEnvironment(const std::string &file_name)
: file_name(file_name)
{
@@ -184,13 +182,14 @@ void Sol2ScriptingEnvironment::InitContext(LuaScriptingContext &context)
"valid",
&osmium::Location::valid);
context.state.new_usertype<osmium::Way>("Way",
"get_value_by_key",
&get_value_by_key<osmium::Way>,
"id",
&osmium::Way::id,
"get_nodes",
&get_nodes_for_way);
context.state.new_usertype<osmium::Way>(
"Way",
"get_value_by_key",
&get_value_by_key<osmium::Way>,
"id",
&osmium::Way::id,
"get_nodes",
[](const osmium::Way &way) { return sol::as_table(way.nodes()); });
context.state.new_usertype<osmium::Node>("Node",
"location",
@@ -257,8 +256,6 @@ void Sol2ScriptingEnvironment::InitContext(LuaScriptingContext &context)
"backward_mode",
sol::property(&ExtractionWay::get_backward_mode, &ExtractionWay::set_backward_mode));
context.state.new_usertype<osmium::WayNodeList>("WayNodeList");
// Keep in mind .location is undefined since we're not using libosmium's location cache
context.state.new_usertype<osmium::NodeRef>("NodeRef", "id", &osmium::NodeRef::ref);
@@ -308,12 +305,12 @@ void Sol2ScriptingEnvironment::InitContext(LuaScriptingContext &context)
context.has_segment_function = segment_function.valid();
auto maybe_version = context.state.get<sol::optional<int>>("api_version");
if (maybe_version)
{
context.api_version = *maybe_version;
}
{
context.api_version = *maybe_version;
}
if (context.api_version < SUPPORTED_MIN_API_VERSION ||
context.api_version > SUPPORTED_MAX_API_VERSION )
context.api_version > SUPPORTED_MAX_API_VERSION)
{
throw util::exception("Invalid profile API version " + std::to_string(context.api_version) +
" only versions from " + std::to_string(SUPPORTED_MIN_API_VERSION) +