Add equality comparison for conditions

[poefilter.git] / source / condition.h

diff --git a/source/condition.h b/source/condition.h
index af8aa95faa282c364c515111eb93e33dad6c061e..9d945c78eec8ffa3c123fb4ea9e8fdb3e42ef978 100644 (file)
--- a/source/condition.h
+++ b/source/condition.h
@@ -18,6 +18,7 @@ public:
        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; }
@@ -39,6 +40,7 @@ public:
 
 protected:
        void clone_to(CompoundCondition &) const;
+       bool sub_equals(const CompoundCondition &) const;
 
 public:
        void add(Condition *);
@@ -64,6 +66,7 @@ class AndCondition: public CompoundCondition
 {
 public:
        virtual AndCondition *clone() const;
+       virtual bool equals(const Condition &) const;
 protected:
        virtual Condition *flatten(Condition *, Condition *) const;
        virtual Condition *flatten(AndCondition *, Condition *) const;
@@ -81,6 +84,7 @@ class OrCondition: public CompoundCondition
 {
 public:
        virtual OrCondition *clone() const;
+       virtual bool equals(const Condition &) const;
 protected:
        virtual Condition *flatten(Condition *, Condition *) const;
        virtual Condition *flatten(AndCondition *, Condition *) const;
@@ -109,6 +113,7 @@ public:
        LinkedColorsCondition(const Colors &);
 
        virtual LinkedColorsCondition *clone() const;
+       virtual bool equals(const Condition &) const;
        virtual void add_lines(std::list<FilterStatement> &) const;
 };