ExManip.hh

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#pragma once
 
#include "Storage.hh"
 
namespace cadabra {
 
    class Kernel;
 
    class ExManip {
        public:
            typedef Ex::iterator_base       iterator_base;
            typedef Ex::iterator            iterator;
            typedef Ex::post_order_iterator post_order_iterator;
            typedef Ex::sibling_iterator    sibling_iterator;
 
            ExManip(const Kernel&, Ex&);
            
            bool prod_wrap_single_term(iterator&);
            bool prod_unwrap_single_term(iterator&);
            bool sum_wrap_single_term(iterator&);
            bool sum_unwrap_single_term(iterator&);

            bool  is_single_term(iterator);

            bool  is_nonprod_factor_in_prod(iterator);

            void  force_node_wrap(iterator&, std::string);
 
        protected:
            const Kernel& kernel;
            Ex&           tr;
    };
    
};