conditionalexpression.hxx

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#ifndef INCLUDED_REPORTDESIGN_INC_CONDITIONALEXPRESSION_HXX
#define INCLUDED_REPORTDESIGN_INC_CONDITIONALEXPRESSION_HXX

#include "dllapi.h"

#include <rtl/ustring.hxx>
#include <map>
#include <memory>

namespace rptui
{


    // = ConditionalExpression

    class REPORTDESIGN_DLLPUBLIC ConditionalExpression
    {
    private:
        const OUString       m_sPattern;

    public:
        ConditionalExpression( const char* _pAsciiPattern );

        OUString     assembleExpression( const OUString& _rFieldDataSource, const OUString& _rLHS, const OUString& _rRHS ) const;

        bool                matchExpression( const OUString& _rExpression, const OUString& _rFieldDataSource, OUString& _out_rLHS, OUString& _out_rRHS ) const;
    };


    //= ConditionType

    enum ConditionType
    {
        eFieldValueComparison   = 0,
        eExpression             = 1
    };


    //= ComparisonOperation

    enum ComparisonOperation
    {
        eBetween        = 0,
        eNotBetween     = 1,
        eEqualTo        = 2,
        eNotEqualTo     = 3,
        eGreaterThan    = 4,
        eLessThan       = 5,
        eGreaterOrEqual = 6,
        eLessOrEqual    = 7
    };

    typedef std::shared_ptr< ConditionalExpression >                PConditionalExpression;
    typedef ::std::map< ComparisonOperation, PConditionalExpression >   ConditionalExpressions;


    // = ConditionalExpressionFactory

    class REPORTDESIGN_DLLPUBLIC ConditionalExpressionFactory
    {
    public:
        static size_t  getKnownConditionalExpressions( ConditionalExpressions& _out_rCondExp );

    private:
        ConditionalExpressionFactory( const ConditionalExpressionFactory& ) = delete;
        ConditionalExpressionFactory& operator=( const ConditionalExpressionFactory& ) = delete;
    };

} // namespace rptui


#endif // INCLUDED_REPORTDESIGN_INC_CONDITIONALEXPRESSION_HXX

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