Indices.hh

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#pragma once

#include "Props.hh"

namespace cadabra {

class Indices : public list_property {
    public:
        Indices(); //const std::string& parent="");
        virtual bool parse(const Kernel&, keyval_t&) override;
        virtual std::string name() const override;
        virtual std::string unnamed_argument() const override { return "name"; };
        virtual match_t equals(const property *) const override;
        
//      virtual void display(std::ostream&) const override; 
        virtual void latex(std::ostream&) const override; 
        
        std::string set_name, parent_name;
        enum position_t { free, fixed, independent } position_type;

        // List of possible values that indices of this type can take.
        std::vector<Ex> values;

    private:

        void collect_index_values(Ex::iterator ind_values);
};

}