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fix geojson plugin by avoiding static const grammar for now

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This commit is contained in:
Dane Springmeyer 2014-07-28 18:39:29 -07:00
parent 8ae5d322db
commit 5fc2e01531
1 changed files with 5 additions and 2 deletions
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7
plugins/input/geojson/geojson_datasource.cpp
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@ -155,9 +155,12 @@ void geojson_datasource::parse_geojson(T & stream)
boost::spirit::multi_pass<base_iterator_type> end =
boost::spirit::make_default_multi_pass(base_iterator_type());
// FIXME - for perf we need to declare grammar as 'static const'
// but we cannot because then all features will interact only with the first context_ptr
// created in the process which leads to very odd bugs
mapnik::context_ptr ctx = std::make_shared<mapnik::context_type>();
static const mapnik::transcoder tr("utf8");
static const mapnik::json::feature_collection_grammar<boost::spirit::multi_pass<base_iterator_type>,mapnik::feature_impl> fc_grammar(ctx, tr);
mapnik::transcoder tr("utf8");
mapnik::json::feature_collection_grammar<boost::spirit::multi_pass<base_iterator_type>,mapnik::feature_impl> fc_grammar(ctx, tr);
boost::spirit::standard_wide::space_type space;
bool result = boost::spirit::qi::phrase_parse(begin, end, fc_grammar, space, features_);
if (!result)