binary_operation_node.hpp

Go to the documentation of this file.

#pragma once
#ifndef _BINARY_OPERATION_NODE_HPP
#define _BINARY_OPERATION_NODE_HPP



#include "settings.hpp"
#include "server/eval/stnode.hpp"



class GeoObject;

namespace eval {


namespace op {

enum BinaryOperationEnum
{
    // 1. lvl
    Equal,
    Unequal,
    Less,
    LessEqual,
    Greater,
    GreaterEqual,
    StringEqual,
    StringUnequal,

    // 2. lvl
    Add,
    Minus,

    // 3. lvl
    Mul,
    Div,
    Concatination
};
}


class BinaryOperationNode
    : public STNode
{
public:
    typedef STNode base_type;
    typedef base_type::node_ptr node_ptr;

    BinaryOperationNode(const node_ptr& left, op::BinaryOperationEnum operation, const node_ptr& right);

    virtual string eval(GeoObject* obj) const;
private:
    node_ptr left;
    op::BinaryOperationEnum operation;
    node_ptr right;
};


}



#endif