FnCollection.h

#ifndef gridripper_math_expr_FnCollection_h
#define gridripper_math_expr_FnCollection_h

#include "Evaluator.h"
#include "StkConst.h"
#include "StkVar.h"

namespace gridripper { namespace math { namespace expr {

using namespace std;

class FnCollection
{
private:
    string xname;

    tvector<StkOp*> stkops;

    tvector<Evaluator::Function*> varlist;

public:
    FnCollection(const string& xname, const tvector<StkOp*>& stkops,
                 const tvector<Evaluator::Function*>& varlist);

    ~FnCollection();

    GReal_t eval(const string& expr);

    void addConst(const string& constname, const string& expr)
            throw(IllegalArgumentException&);

    StkVar* getStkVar(const string& varname) const;

    void addConstsAndVars(const string& defs) throw(IllegalArgumentException&);

    Evaluator::Function* addVar(const string& varname, const string& expr)
            throw(IllegalArgumentException&);

    Evaluator::Function* getVar(const string& varname) const;

    Evaluator::Function* findVar(const string& name_or_def);
};

} } } /* namespace gridripper::math::expr */

#endif /* gridripper_math_expr_FnCollection_h */