1 #ifndef CHOICECONDITION_H_
2 #define CHOICECONDITION_H_
4 #include <msp/core/algorithm.h>
9 class ChoiceCondition: public Condition
13 typedef typename Traits::Type Type;
16 std::vector<Type> values;
19 ChoiceCondition(Type);
20 ChoiceCondition(const std::vector<Type> &);
22 virtual ChoiceCondition<T> *clone() const;
23 virtual bool can_merge(const Condition &, const CompoundCondition &) const;
24 virtual ChoiceCondition<T> *merge(const std::vector<const Condition *> &, const CompoundCondition &) const;
25 virtual void add_lines(std::list<FilterStatement> &) const;
31 typedef std::string Type;
32 static const char *get_keyword() { return "Class"; }
35 typedef ChoiceCondition<ClassTraits> ClassCondition;
40 typedef std::string Type;
41 static const char *get_keyword() { return "BaseType"; }
44 typedef ChoiceCondition<BaseTypeTraits> BaseTypeCondition;
48 ChoiceCondition<T>::ChoiceCondition(Type v)
54 ChoiceCondition<T>::ChoiceCondition(const std::vector<Type> &v):
59 ChoiceCondition<T> *ChoiceCondition<T>::clone() const
61 return new ChoiceCondition<T>(values);
65 bool ChoiceCondition<T>::can_merge(const Condition &other, const CompoundCondition &parent) const
67 return dynamic_cast<const ChoiceCondition<T> *>(&other) && dynamic_cast<const OrCondition *>(&parent);
71 ChoiceCondition<T> *ChoiceCondition<T>::merge(const std::vector<const Condition *> &conditions, const CompoundCondition &parent) const
73 if(dynamic_cast<const OrCondition *>(&parent) && !conditions.empty())
75 ChoiceCondition<T> *result = new ChoiceCondition<T>(std::vector<Type>());
76 for(std::vector<const Condition *>::const_iterator i=conditions.begin(); i!=conditions.end(); ++i)
78 const std::vector<Type> &v = static_cast<const ChoiceCondition<T> *>(*i)->values;
79 for(typename std::vector<Type>::const_iterator j=v.begin(); j!=v.end(); ++j)
80 if(Msp::find(result->values, *j)==result->values.end())
81 result->values.push_back(*j);
90 void ChoiceCondition<T>::add_lines(std::list<FilterStatement> &st) const
92 std::string line = Traits::get_keyword();
93 for(typename std::vector<Type>::const_iterator i=values.begin(); i!=values.end(); ++i)
94 line += Msp::format(" \"%s\"", *i);
95 FilterStatement::add_line(st, line);