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52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
#pragma once
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#include "generator/feature_builder.hpp"
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#include "generator/intermediate_data.hpp"
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#include <queue>
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struct OsmElement;
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namespace generator
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{
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// Abstract class FeatureMakerBase is responsible for the conversion OsmElement to FeatureBuilder.
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// The main task of this class is to create features of the necessary types.
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// At least one feature should turn out from one OSM element. You can get several features from one element.
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class FeatureMakerBase
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{
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public:
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using IDRInterfacePtr = std::shared_ptr<cache::IntermediateDataReaderInterface>;
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explicit FeatureMakerBase(IDRInterfacePtr const & cache = {}) : m_cache(cache) {}
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void SetCache(IDRInterfacePtr const & cache) { m_cache = cache; }
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virtual ~FeatureMakerBase() = default;
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virtual std::shared_ptr<FeatureMakerBase> Clone() const = 0;
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// Reference on element is non const because ftype::GetNameAndType will be call.
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virtual bool Add(OsmElement & element);
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// The function returns true when the receiving feature was successful and a false when not successful.
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bool GetNextFeature(feature::FeatureBuilder & feature);
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size_t Size() const;
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bool Empty() const;
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protected:
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virtual bool BuildFromNode(OsmElement & element, FeatureBuilderParams const & params) = 0;
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virtual bool BuildFromWay(OsmElement & element, FeatureBuilderParams const & params) = 0;
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virtual bool BuildFromRelation(OsmElement & element, FeatureBuilderParams const & params) = 0;
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virtual void ParseParams(FeatureBuilderParams & params, OsmElement & element) const = 0;
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IDRInterfacePtr m_cache;
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std::queue<feature::FeatureBuilder> m_queue;
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};
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void TransformToPoint(feature::FeatureBuilder & feature);
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void TransformToLine(feature::FeatureBuilder & feature);
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feature::FeatureBuilder MakePoint(feature::FeatureBuilder const & feature);
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feature::FeatureBuilder MakeLine(feature::FeatureBuilder const & feature);
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} // namespace generator
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