using StgSharp.Script.Express;

using System;
using System.Collections.Generic;
using System.Text;

namespace StgSharp.Script.Express
{
    public sealed class ExpIfToken : ExpToken
    {
        private ExpToken _rule;
        private List<ExpToken> _trueOp;
        private List<ExpToken> _falseOp;

        public ExpIfToken(string name, ExpSchema context, ExpToken rule, 
            IEnumerable<ExpToken> operationIfTrue, 
            IEnumerable<ExpToken> operationIfFalse):
            base(name,context)
        {
            _rule = rule;
            if (operationIfFalse == null)
            {
                _trueOp = new List<ExpToken>();
            }
            else
            {
                _trueOp = new List<ExpToken>(operationIfFalse);
            }
            if (operationIfFalse == null)
            {
                _falseOp = new List<ExpToken>();
            }
            else
            {
                _falseOp = new List<ExpToken>(operationIfFalse);
            }
        }

        public void AddTrueOperation(ExpToken expressionRoot)
        {
            AssertSchemaInclude(expressionRoot);
            _trueOp.Add(expressionRoot);
        }

        public void AddFalseOperation(ExpToken expressionRoot)
        {
            AssertSchemaInclude(expressionRoot);
            _falseOp.Add(expressionRoot);
        }

    }
}