virtual ~Condition() { }
virtual Condition *clone() const = 0;
+ virtual bool equals(const Condition &) const = 0;
virtual Condition *flatten() const { return clone(); }
virtual bool can_merge(const Condition &, const CompoundCondition &) const { return false; }
virtual Condition *merge(const std::vector<const Condition *> &, const CompoundCondition &) const { return 0; }
protected:
void clone_to(CompoundCondition &) const;
+ bool sub_equals(const CompoundCondition &) const;
public:
void add(Condition *);
{
public:
virtual AndCondition *clone() const;
+ virtual bool equals(const Condition &) const;
protected:
virtual Condition *flatten(Condition *, Condition *) const;
virtual Condition *flatten(AndCondition *, Condition *) const;
virtual Condition *flatten(OrCondition *, Condition *) const;
virtual Condition *flatten(OrCondition *, AndCondition *) const;
virtual Condition *flatten(OrCondition *, OrCondition *) const;
+public:
+ virtual bool can_merge(const Condition &, const CompoundCondition &) const;
+ virtual AndCondition *merge(const std::vector<const Condition *> &, const CompoundCondition &) const;
+private:
+ static bool merge(const AndCondition &, const AndCondition &, const CompoundCondition &, AndCondition **);
public:
virtual bool is_viable() const;
virtual void add_lines(std::list<FilterStatement> &) const;
{
public:
virtual OrCondition *clone() const;
+ virtual bool equals(const Condition &) const;
protected:
virtual Condition *flatten(Condition *, Condition *) const;
virtual Condition *flatten(AndCondition *, Condition *) const;
LinkedColorsCondition(const Colors &);
virtual LinkedColorsCondition *clone() const;
+ virtual bool equals(const Condition &) const;
virtual void add_lines(std::list<FilterStatement> &) const;
};