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#ifndef SRC_DISTANCE_EDGE_FILTERS_HPP_ |
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#define SRC_DISTANCE_EDGE_FILTERS_HPP_ |
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#include <memory> |
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#include <optional> |
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#include <utility> |
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#include "command-line/parsing/options.hpp" |
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#include "common/pipeline/pipelines.hpp" |
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#include "distance/edge.hpp" |
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#include "providers/stage-providers.hpp" |
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namespace found { |
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typedef ModifyingPipeline<Points> EdgeFilteringAlgorithms; |
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/** |
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* Abstract superclass for edge-filtering algorithms. |
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* modifies Points in-place (ModifyingStage<Points>). |
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*/ |
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class EdgeFilteringAlgorithm : public ModifyingStage<Points> { |
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public: |
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EdgeFilteringAlgorithm() = default; |
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virtual ~EdgeFilteringAlgorithm() = default; |
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}; |
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/** |
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* NoOpEdgeFilter |
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* |
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* A ModifyingStage implementation that performs no modifications |
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* to the Points. This exists to provide a valid stage instance that can be |
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* used by providers when a no-op filter is requested. This will not be needed |
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* once an EdgeFilteringAlgorithm is implemented. |
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*/ |
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class NoOpEdgeFilter : public ModifyingStage<Points> { |
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public: |
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NoOpEdgeFilter() = default; |
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~NoOpEdgeFilter() override = default; |
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/** |
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* Run |
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* |
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* No-op filter: intentionally does not modify the provided points. |
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* |
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* @param pts The Points to (not) modify. |
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*/ |
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void Run(Points &pts) override { |
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// intentionally no-op |
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(void)pts; |
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} |
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}; |
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/** |
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* Options-aware provider. Constructs a pipeline containing all filters |
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* that are enabled in options and returns it. If no filter is enabled, |
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* returns nullptr to indicate "no filters". |
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*/ |
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inline std::unique_ptr<EdgeFilteringAlgorithms> ProvideEdgeFilteringAlgorithm(const DistanceOptions &options) { |
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std::unique_ptr<EdgeFilteringAlgorithms> pipeline = std::make_unique<EdgeFilteringAlgorithms>(); |
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bool added = false; |
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if (options.enableNoOpEdgeFilter) { |
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pipeline->Complete(std::make_unique<NoOpEdgeFilter>()); |
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added = true; |
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} |
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if (!added) return nullptr; |
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return pipeline; |
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} |
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} // namespace found |
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#endif // SRC_DISTANCE_EDGE_FILTERS_HPP_ |
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