libCZI_Query.h

#pragma once

namespace libCZI
{
    class IQueryCondition
    {
    protected:
        IQueryCondition() = default;
        IQueryCondition(IQueryCondition const&) = delete;
        IQueryCondition& operator=(IQueryCondition const&) = delete;
    public:
        virtual ~IQueryCondition() = default;
    };

    struct QueryOptions
    {
        enum class HandlingOfNonExistentDimensions
        {
            EvaluateToTrue,     
            EvaluateToFalse,    
            Error               
        };

        HandlingOfNonExistentDimensions handlingNonExistentDimensions;

        void SetDefault()
        {
            this->handlingNonExistentDimensions = HandlingOfNonExistentDimensions::EvaluateToTrue;
        }
    };

    class LIBCZI_API CQueryParser
    {
    public:
        static std::shared_ptr<libCZI::IQueryCondition> ParseQueryString(const std::string& str, const QueryOptions* options = nullptr);

        static void EnumSubset(libCZI::ISubBlockRepository* sbRepository, const std::shared_ptr<IQueryCondition>& condition, const std::function<bool(int index, const libCZI::SubBlockInfo& info)>& funcEnum);

        static void EnumSubset(libCZI::ISubBlockRepository* sbRepository, const libCZI::IQueryCondition* condition, const std::function<bool(int index, const libCZI::SubBlockInfo& info)>& funcEnum);

        static std::vector<int> GetSubBlocksMatching(libCZI::ISubBlockRepository* sbRepository, const std::shared_ptr<libCZI::IQueryCondition>& condition, int maxResults);

        static std::vector<int> GetSubBlocksMatching(libCZI::ISubBlockRepository* sbRepository, const libCZI::IQueryCondition* condition, int maxResults);
    };
}