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fix - ensure stringifier called recursively for nested json objects

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This commit is contained in:
artemp 2016-11-18 09:42:47 +01:00
parent e6e468dc9e
commit ead152499b
1 changed files with 10 additions and 5 deletions
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15
include/mapnik/json/create_feature.hpp
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@ -36,6 +36,9 @@ namespace mapnik { namespace json {
struct stringifier
{
stringifier(keys_map const& keys)
: keys_(keys) {}
std::string operator()(std::string const& val) const
{
return "\"" + val + "\"";
@ -79,14 +82,14 @@ struct stringifier
return str;
}
std::string operator()(mapnik::json::geojson_object const& object, keys_map const& keys) const
std::string operator()(mapnik::json::geojson_object const& object) const
{
std::string str = "{";
bool first = true;
for (auto const& kv : object)
{
auto itr = keys.right.find(std::get<0>(kv));
if (itr != keys.right.end())
auto itr = keys_.right.find(std::get<0>(kv));
if (itr != keys_.right.end())
{
if (first) first = false;
else str += ",";
@ -103,6 +106,8 @@ struct stringifier
{
return "";
}
keys_map const& keys_;
};
struct attribute_value_visitor
@ -119,13 +124,13 @@ public:
mapnik::value operator()(mapnik::json::geojson_array const& array) const
{
std::string str = stringifier()(array);
std::string str = stringifier(keys_)(array);
return mapnik::value(tr_.transcode(str.c_str()));
}
mapnik::value operator()(mapnik::json::geojson_object const& object) const
{
std::string str = stringifier()(object, keys_);
std::string str = stringifier(keys_)(object);
return mapnik::value(tr_.transcode(str.c_str()));
}