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);
}
if (leftExpression is UnaryExpression && (leftExpression as UnaryExpression).Operand is UnaryExpression && (leftExpression as UnaryExpression).NodeType == ExpressionType.Convert)
{
leftExpression = (leftExpression as UnaryExpression).Operand;
}
if (leftExpression is UnaryExpression && (leftExpression as UnaryExpression).Operand.Type == UtilConstants.BoolType && (leftExpression as UnaryExpression).NodeType == ExpressionType.Convert && rightExpression.Type == UtilConstants.BoolTypeNull)
{
leftExpression = (leftExpression as UnaryExpression).Operand;
}
if (rightExpression is UnaryExpression && (rightExpression as UnaryExpression).Operand.Type == UtilConstants.BoolType && (rightExpression as UnaryExpression).NodeType == ExpressionType.Convert)
{
rightExpression = (rightExpression as UnaryExpression).Operand;
}
parameter.LeftExpression = leftExpression;
parameter.RightExpression = rightExpression;
base.Expression = leftExpression;
base.IsLeft = true;
base.Start();
if (leftExpression is UnaryExpression && leftExpression.Type == UtilConstants.BoolType && !this.Context.Result.Contains(ExpressionConst.ExpressionReplace))
{
this.Context.Result.AppendFormat(" {0} ", ExpressionTool.GetOperator(expression.NodeType));
}
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 + " ");
}
}
public UnaryExpressionResolve(ExpressionParameter parameter) : base(parameter)
{
var oldExpression = base.Expression;
var expression = base.Expression as UnaryExpression;
var baseParameter = parameter.BaseParameter;
switch (this.Context.ResolveType)
{
case ResolveExpressType.WhereSingle:
case ResolveExpressType.WhereMultiple:
case ResolveExpressType.FieldSingle:
case ResolveExpressType.FieldMultiple:
case ResolveExpressType.SelectSingle:
case ResolveExpressType.SelectMultiple:
case ResolveExpressType.ArraySingle:
case ResolveExpressType.ArrayMultiple:
case ResolveExpressType.Update:
var nodeType = expression.NodeType;
base.Expression = expression.Operand;
var isMember = expression.Operand is MemberExpression;
var isConst = expression.Operand is ConstantExpression;
var offsetIsNull = (parameter.OppsiteExpression is ConstantExpression) &&
(parameter.OppsiteExpression as ConstantExpression).Value == null &&
ExpressionTool.IsComparisonOperator(expression.Operand);
if (isMember && offsetIsNull)
{
Append(parameter, nodeType);
}
else if (baseParameter.CurrentExpression is NewArrayExpression)
{
Result(parameter, nodeType);
}
else if (baseParameter.OperatorValue == "=" && IsNotMember(oldExpression))
{
AppendNotMember(parameter, nodeType);
}
else if (baseParameter.OperatorValue == "=" && IsNotParameter(oldExpression))
{
AppendNotParameter(parameter, nodeType);
}
else if (base.Expression is BinaryExpression || parameter.BaseExpression is BinaryExpression || baseParameter.CommonTempData.ObjToString() == CommonTempDataType.Append.ToString())
{
Append(parameter, nodeType);
}
else if (isMember)
{
MemberLogic(parameter, baseParameter, nodeType);
}
else if (isConst)
{
Result(parameter, nodeType);
}
else
{
Append(parameter, nodeType);
}
break;
default:
break;
}
}