public BinaryExpressionResolve(ExpressionParameter parameter) : base(parameter)
{
var expression = this.Expression as BinaryExpression;
var operatorValue = parameter.OperatorValue = ExpressionTool.GetOperator(expression.NodeType);
var isEqual = expression.NodeType == ExpressionType.Equal;
var isComparisonOperator = ExpressionTool.IsComparisonOperator(expression);
base.ExactExpression = expression;
var leftExpression = expression.Left;
var rightExpression = expression.Right;
var leftIsBinary = leftExpression is BinaryExpression;
var rightBinary = rightExpression is BinaryExpression;
var lbrs = leftIsBinary && !rightBinary;
var lsrb = !leftIsBinary && rightBinary;
var lbrb = rightBinary && leftIsBinary;
var lsbs = !leftIsBinary && !rightBinary;
var isAppend = !base.Context.Result.Contains(ExpressionConst.FormatSymbol);
if (isAppend)
{
base.Context.Result.Append(ExpressionConst.LeftParenthesis);
base.Context.Result.Append(ExpressionConst.FormatSymbol);
}
else
{
base.Context.Result.Replace(ExpressionConst.FormatSymbol, ExpressionConst.LeftParenthesis + ExpressionConst.FormatSymbol);
}
parameter.LeftExpression = leftExpression;
parameter.RightExpression = rightExpression;
base.Expression = leftExpression;
base.IsLeft = true;
base.Start();
base.IsLeft = false;
base.Expression = rightExpression;
base.Start();
base.IsLeft = null;
if (lsbs && parameter.ValueIsNull)
{
base.Context.Result.Replace(ExpressionConst.ExpressionReplace + parameter.Index, isEqual ? "IS" : "IS NOT");
base.Context.Result.Replace(ExpressionConst.ExpressionReplace + (parameter.Index + 1), isEqual ? "IS" : "IS NOT");
}
else
{
base.Context.Result.Replace(ExpressionConst.ExpressionReplace + parameter.Index, operatorValue);
base.Context.Result.Replace(ExpressionConst.ExpressionReplace + (parameter.Index + 1), operatorValue);
}
base.Context.Result.Append(ExpressionConst.RightParenthesis);
if (parameter.BaseExpression is BinaryExpression && parameter.IsLeft == true)
{
base.Context.Result.Append(" " + ExpressionConst.ExpressionReplace + parameter.BaseParameter.Index + " ");
}
}
