only two datasource types for now-(
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1 changed files with 6 additions and 8 deletions
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@ -31,14 +31,14 @@
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namespace mapnik
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{
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typedef ref_ptr<Feature> feature_ptr;
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struct Featureset
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{
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virtual Feature* next()=0;
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virtual ~Featureset() {};
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};
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typedef ref_ptr<Featureset> FeaturesetPtr;
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typedef ref_ptr<Featureset> featureset_ptr;
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class datasource_exception : public std::exception
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{
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private:
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@ -58,13 +58,11 @@ namespace mapnik
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{
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public:
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enum {
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Point=1,
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Line,
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Polygon,
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Vector,
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Raster
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};
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virtual int type() const=0;
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virtual FeaturesetPtr features(const query& q) const=0;
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virtual featureset_ptr features(const query& q) const=0;
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virtual const Envelope<double>& envelope() const=0;
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virtual ~datasource() {};
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};
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