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#pragma once
#include "indexer/feature.hpp"
#include "std/string.hpp"
#include "std/unique_ptr.hpp"
#include "std/vector.hpp"
namespace drule
{
// Runtime feature style selector absract interface.
class ISelector
{
public:
virtual ~ISelector() = default;
// If ISelector.Test returns true then style is applicable for the feature,
// otherwise, if ISelector.Test returns false, style cannot be applied to the feature.
virtual bool Test(FeatureType const & ft) const = 0;
};
// Factory method which builds ISelector from a string.
unique_ptr<ISelector> ParseSelector(string const & str);
// Factory method which builds composite ISelector from a set of string.
unique_ptr<ISelector> ParseSelector(vector<string> const & strs);
} // namespace drule
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