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( std::u16string_view _rExpression, const std::u16string_view _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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