macabcondition.hxx

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#pragma once
 
#include <sal/config.h>
 
#include <string_view>
 
#include "MacabHeader.hxx"
#include "MacabRecord.hxx"
 
#include <connectivity/dbexception.hxx>
 
namespace connectivity::macab
{
 
class MacabCondition
{
    public:
        virtual ~MacabCondition();
        virtual bool isAlwaysTrue() const = 0;
        virtual bool isAlwaysFalse() const = 0;
        virtual bool eval(const MacabRecord *aRecord) const = 0;
};
 
class MacabConditionConstant : public MacabCondition
{
    protected:
        bool m_bValue;
 
    public:
        explicit MacabConditionConstant(const bool bValue);
        virtual bool isAlwaysTrue() const override;
        virtual bool isAlwaysFalse() const override;
        virtual bool eval(const MacabRecord *aRecord) const override;
};
 
class MacabConditionColumn : public MacabCondition
{
    protected:
        sal_Int32 m_nFieldNumber;
 
    public:
        MacabConditionColumn(
            const MacabHeader *header,
            std::u16string_view sColumnName);
        virtual bool isAlwaysTrue() const override;
        virtual bool isAlwaysFalse() const override;
};
 
class MacabConditionNull : public MacabConditionColumn
{
    public:
        MacabConditionNull(
            const MacabHeader *header,
            std::u16string_view sColumnName);
        virtual bool eval(const MacabRecord *aRecord) const override;
};
 
class MacabConditionNotNull : public MacabConditionColumn
{
    public:
        MacabConditionNotNull(
            const MacabHeader *header,
            std::u16string_view sColumnName);
        virtual bool eval(const MacabRecord *aRecord) const override;
};
 
class MacabConditionCompare : public MacabConditionColumn
{
    protected:
        const OUString m_sMatchString;
 
    public:
        MacabConditionCompare(
            const MacabHeader *header,
            std::u16string_view sColumnName,
            const OUString &sMatchString);
};
 
class MacabConditionEqual : public MacabConditionCompare
{
    public:
        MacabConditionEqual(
            const MacabHeader *header,
            std::u16string_view sColumnName,
            const OUString &sMatchString);
        virtual bool eval(const MacabRecord *aRecord) const override;
};
 
class MacabConditionDifferent : public MacabConditionCompare
{
    public:
        MacabConditionDifferent(
            const MacabHeader *header,
            std::u16string_view sColumnName,
            const OUString &sMatchString);
        virtual bool eval(const MacabRecord *aRecord) const override;
};
 
class MacabConditionSimilar : public MacabConditionCompare
{
    public:
        MacabConditionSimilar(
            const MacabHeader *header,
            std::u16string_view sColumnName,
            const OUString &sMatchString);
        virtual bool eval(const MacabRecord *aRecord) const override;
};
 
class MacabConditionBoolean : public MacabCondition
{
    protected:
        MacabCondition *m_pLeft, *m_pRight;
 
    public:
        MacabConditionBoolean(MacabCondition *pLeft, MacabCondition *pRight);
        virtual ~MacabConditionBoolean() override;
};
 
class MacabConditionOr : public MacabConditionBoolean
{
    public:
        MacabConditionOr(MacabCondition *pLeft, MacabCondition *pRight);
        virtual bool isAlwaysTrue() const override;
        virtual bool isAlwaysFalse() const override;
        virtual bool eval(const MacabRecord *aRecord) const override;
};
 
class MacabConditionAnd : public MacabConditionBoolean
{
    public:
        MacabConditionAnd(MacabCondition *pLeft, MacabCondition *pRight);
        virtual bool isAlwaysTrue() const override;
        virtual bool isAlwaysFalse() const override;
        virtual bool eval(const MacabRecord *aRecord) const override;
};
 
}
 
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