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GeoJSON - refactor FeatureCollection grammar to restore empty features condition (#3167)

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artemp 2015-11-18 14:44:39 +00:00
parent 938702dc8b
commit 7d8f7357ed
1 changed files with 6 additions and 7 deletions
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13
include/mapnik/json/feature_collection_grammar_impl.hpp
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@ -54,24 +54,23 @@ feature_collection_grammar<Iterator,FeatureType, FeatureCallback,ErrorHandler>::
start = feature_collection(_r1, _r2, _r3)
;
feature_collection = lit('{') >> (type | features(_r1, _r2, _r3) | feature_g.json_.key_value) % lit(',') >> lit('}')
feature_collection = lit('{') > (type | features(_r1, _r2, _r3) | feature_g.json_.key_value) % lit(',') > lit('}')
;
type = lit("\"type\"") >> lit(':') >> lit("\"FeatureCollection\"")
type = lit("\"type\"") > lit(':') > lit("\"FeatureCollection\"")
;
features = lit("\"features\"")
>> lit(':')
>> lit('[')
>> -(feature(_r1, _r2, _r3) [_r2 +=1] % lit(','))
>> lit(']')
> lit(':') > lit('[') >
( lit(']') | ((feature(_r1, _r2, _r3) [_r2 +=1] % lit(',')) > lit(']')))
;
feature = eps[_a = phoenix::construct<mapnik::feature_ptr>(new_<mapnik::feature_impl>(_r1, _r2))]
>> feature_g(*_a)[on_feature(_r3,_a)]
> feature_g(*_a)[on_feature(_r3,_a)]
;
start.name("start");
feature_collection.name("FeatureCollection");
type.name("type");
features.name("features");
feature.name("feature");