+ fix context init
+ cleanup
This commit is contained in:
Artem Pavlenko
parent
748adf8229
commit
e49fcb83b1
5 changed files with 58 additions and 40 deletions
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@ -38,6 +38,7 @@
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// boost
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#include <boost/algorithm/string.hpp>
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#include <boost/make_shared.hpp>
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using mapnik::datasource;
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using mapnik::parameters;
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@ -439,13 +440,16 @@ featureset_ptr ogr_datasource::features(query const& q) const
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std::vector<attribute_descriptor>::const_iterator it = desc_ar.begin();
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std::vector<attribute_descriptor>::const_iterator end = desc_ar.end();
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std::vector<std::string> known_fields;
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mapnik::context_ptr ctx = boost::make_shared<mapnik::context_type>();
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for (; it != end; ++it)
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{
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known_fields.push_back(it->get_name());
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ctx->push(it->get_name());
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}
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const std::set<std::string>& attribute_names = q.property_names();
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std::set<std::string>::const_iterator pos = attribute_names.begin();
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while (pos != attribute_names.end())
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{
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bool found_name = false;
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@ -454,6 +458,7 @@ featureset_ptr ogr_datasource::features(query const& q) const
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if (known_fields[i] == *pos)
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{
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found_name = true;
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break;
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}
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}
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@ -477,7 +482,8 @@ featureset_ptr ogr_datasource::features(query const& q) const
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{
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filter_in_box filter(q.get_bbox());
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return featureset_ptr(new ogr_index_featureset<filter_in_box>(*dataset_,
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return featureset_ptr(new ogr_index_featureset<filter_in_box>(ctx,
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*dataset_,
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*layer,
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filter,
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index_name_,
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@ -486,7 +492,8 @@ featureset_ptr ogr_datasource::features(query const& q) const
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}
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else
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{
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return featureset_ptr(new ogr_featureset (*dataset_,
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return featureset_ptr(new ogr_featureset (ctx,
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*dataset_,
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*layer,
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q.get_bbox(),
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desc_.get_encoding()
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@ -503,13 +510,17 @@ featureset_ptr ogr_datasource::features_at_point(coord2d const& pt) const
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if (dataset_ && layer_.is_valid())
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{
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mapnik::context_ptr ctx = boost::make_shared<mapnik::context_type>();
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// TODO : push all attribute names here
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OGRLayer* layer = layer_.layer();
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if (indexed_)
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{
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filter_at_point filter(pt);
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return featureset_ptr(new ogr_index_featureset<filter_at_point> (*dataset_,
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return featureset_ptr(new ogr_index_featureset<filter_at_point> (ctx,
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*dataset_,
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*layer,
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filter,
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index_name_,
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@ -522,7 +533,8 @@ featureset_ptr ogr_datasource::features_at_point(coord2d const& pt) const
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point.setX (pt.x);
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point.setY (pt.y);
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return featureset_ptr(new ogr_featureset (*dataset_,
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return featureset_ptr(new ogr_featureset (ctx,
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*dataset_,
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*layer,
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point,
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desc_.get_encoding()
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@ -46,26 +46,30 @@ using mapnik::transcoder;
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using mapnik::feature_factory;
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ogr_featureset::ogr_featureset(OGRDataSource & dataset,
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ogr_featureset::ogr_featureset(mapnik::context_ptr const & ctx,
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OGRDataSource & dataset,
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OGRLayer & layer,
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OGRGeometry & extent,
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const std::string& encoding)
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: dataset_(dataset),
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std::string const& encoding)
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: ctx_(ctx),
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dataset_(dataset),
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layer_(layer),
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layerdef_(layer.GetLayerDefn()),
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tr_(new transcoder(encoding)),
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fidcolumn_(layer_.GetFIDColumn ()),
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count_(0),
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ctx_(boost::make_shared<mapnik::context_type>())
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count_(0)
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{
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layer_.SetSpatialFilter (&extent);
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}
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ogr_featureset::ogr_featureset(OGRDataSource & dataset,
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ogr_featureset::ogr_featureset(mapnik::context_ptr const& ctx,
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OGRDataSource & dataset,
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OGRLayer & layer,
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const mapnik::box2d<double> & extent,
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const std::string& encoding)
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: dataset_(dataset),
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mapnik::box2d<double> const& extent,
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std::string const& encoding)
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: ctx_(ctx),
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dataset_(dataset),
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layer_(layer),
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layerdef_(layer.GetLayerDefn()),
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tr_(new transcoder(encoding)),
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@ -37,29 +37,30 @@
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class ogr_featureset : public mapnik::Featureset
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{
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public:
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ogr_featureset(OGRDataSource & dataset,
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ogr_featureset(mapnik::context_ptr const& ctx,
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OGRDataSource & dataset,
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OGRLayer & layer,
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OGRGeometry & extent,
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const std::string& encoding);
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std::string const& encoding);
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ogr_featureset(OGRDataSource & dataset,
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ogr_featureset(mapnik::context_ptr const& ctx,
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OGRDataSource & dataset,
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OGRLayer & layer,
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const mapnik::box2d<double> & extent,
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const std::string& encoding);
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mapnik::box2d<double> const& extent,
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std::string const& encoding);
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virtual ~ogr_featureset();
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mapnik::feature_ptr next();
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private:
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ogr_featureset(const ogr_featureset&);
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const ogr_featureset& operator=(const ogr_featureset&);
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mapnik::context_ptr ctx_;
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OGRDataSource& dataset_;
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OGRLayer& layer_;
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OGRFeatureDefn* layerdef_;
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boost::scoped_ptr<mapnik::transcoder> tr_;
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const char* fidcolumn_;
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mutable int count_;
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mapnik::context_ptr ctx_;
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};
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#endif // OGR_FEATURESET_HPP
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@ -52,18 +52,19 @@ using mapnik::transcoder;
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using mapnik::feature_factory;
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template <typename filterT>
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ogr_index_featureset<filterT>::ogr_index_featureset(OGRDataSource & dataset,
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ogr_index_featureset<filterT>::ogr_index_featureset(mapnik::context_ptr const & ctx,
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OGRDataSource & dataset,
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OGRLayer & layer,
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const filterT& filter,
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const std::string& index_file,
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const std::string& encoding)
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: dataset_(dataset),
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filterT const& filter,
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std::string const& index_file,
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std::string const& encoding)
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: ctx_(ctx),
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dataset_(dataset),
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layer_(layer),
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layerdef_(layer.GetLayerDefn()),
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filter_(filter),
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tr_(new transcoder(encoding)),
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fidcolumn_(layer_.GetFIDColumn()),
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ctx_(boost::make_shared<mapnik::context_type>())
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fidcolumn_(layer_.GetFIDColumn())
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{
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boost::optional<mapnik::mapped_region_ptr> memory = mapnik::mapped_memory_cache::find(index_file.c_str(),true);
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@ -32,18 +32,18 @@ template <typename filterT>
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class ogr_index_featureset : public mapnik::Featureset
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{
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public:
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ogr_index_featureset(OGRDataSource& dataset,
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ogr_index_featureset(mapnik::context_ptr const& ctx,
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OGRDataSource& dataset,
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OGRLayer& layer,
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const filterT& filter,
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const std::string& index_file,
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const std::string& encoding);
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filterT const& filter,
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std::string const& index_file,
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std::string const& encoding);
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virtual ~ogr_index_featureset();
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mapnik::feature_ptr next();
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private:
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ogr_index_featureset(const ogr_index_featureset&);
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ogr_index_featureset& operator=(const ogr_index_featureset&);
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mapnik::context_ptr ctx_;
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OGRDataSource& dataset_;
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OGRLayer& layer_;
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OGRFeatureDefn* layerdef_;
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@ -52,7 +52,7 @@ private:
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std::vector<int>::iterator itr_;
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boost::scoped_ptr<mapnik::transcoder> tr_;
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const char* fidcolumn_;
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mapnik::context_ptr ctx_;
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};
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#endif // OGR_INDEX_FEATURESET_HPP
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