#include "IVComparison.hxx"
#include <EoaCore.hxx>
#include <ICOMETLog.hxx>

OA_EXCEPTION(MethodNotImplemented,COMET::EoaCore);

bool COMET::IVComparison::operator()(double lhs,double rhs){
    throw MethodNotImplemented();
    return false;
}

bool COMET::IVComparison::operator()(const std::string& lhs,const std::string& rhs){
    throw MethodNotImplemented();
    return false;
}

struct EqualTo:public COMET::IVComparison{
    bool operator()(double lhs,double rhs){return lhs==rhs;}
    bool operator()(const std::string& lhs,const std::string& rhs){return lhs==rhs;}
};
struct LessThan:public COMET::IVComparison{
    bool operator()(double lhs,double rhs){return lhs<rhs;}
    using IVComparison::operator();
};
struct GreaterThan:public COMET::IVComparison{
    bool operator()(double lhs,double rhs){return lhs>rhs;}
    using IVComparison::operator();
};
struct LessEqual:public COMET::IVComparison{
    bool operator()(double lhs,double rhs){return lhs<=rhs;}
    using IVComparison::operator();
};
struct GreaterEqual:public COMET::IVComparison{
    bool operator()(double lhs,double rhs){return lhs>=rhs;}
    using IVComparison::operator();
};

COMET::IVComparison* COMET::IVComparison::Make(const std::string& name){
    if(name=="=="){
        return new EqualTo;
    }else if(name==">="){
        return new GreaterEqual;
    }else if(name==">"){
        return new GreaterThan;
    }else if(name=="<="){
        return new LessEqual;
    }else if(name=="<"){
        return new LessThan;
    } else{
        COMETError("Unknown comparison: '"<<name<<"'");
        return NULL;
    }

}