/// <summary> /// Evaluates the specified expression. /// </summary> /// <param name="expression">The expression to evaluate.</param> /// <returns>Value of the expression.</returns> public QueryValue Visit(QueryOrExpression expression) { QueryScalarValue left, right; this.EvaluateBinaryArguments(expression, out left, out right); // short circuit "Or" logic if left is true (and evaluation did not throw any exceptions) // TODO: this is sort of a hack, we should have more solid way of check whether given EvaluationError is actual exception or just list of ingnorable exceptions bool leftThrewEvaluationException = left.EvaluationError != null && !string.IsNullOrEmpty(left.EvaluationError.ToString()); if (left.EvaluationError == null && !left.IsNull && (bool)left.Value && !leftThrewEvaluationException) { return(left); } return(left.OrElse(right)); }
/// <summary> /// Visits a QueryExpression tree whose root node is the QueryOrExpression. /// </summary> /// <param name="expression">The root node of the expression tree being visited.</param> /// <returns>Uri query string representing the expression.</returns> public override string Visit(QueryOrExpression expression) { return this.VisitBinaryExpession(expression, "{0} or {1}"); }
/// <summary> /// Replaces the given expression. /// </summary> /// <param name="expression">Expression to replace.</param> /// <returns>Replaced expression.</returns> public virtual QueryExpression Visit(QueryOrExpression expression) { return(this.VisitBinaryExpression(expression, CommonQueryBuilder.Or)); }
/// <summary> /// Visits a QueryExpression tree whose root node is the QueryOrExpression. /// </summary> /// <param name="expression">The root node of the expression tree being visited.</param> /// <returns>Uri query string representing the expression.</returns> public virtual string Visit(QueryOrExpression expression) { throw new TaupoNotSupportedException("Not supported"); }
/// <summary> /// Resolves types for the specified expression. /// </summary> /// <param name="expression">The expression to resolve types for.</param> /// <returns>Expression with resolved types.</returns> public QueryExpression Visit(QueryOrExpression expression) { return(this.VisitBinaryExpressionWithBooleanResult(expression, CommonQueryBuilder.Or)); }
/// <summary> /// Generates System.CodeDom.CodeExpression from the given expression. /// </summary> /// <param name="expression">Expression from which System.CodeDom.CodeExpression is generated.</param> /// <returns>Generated System.CodeDom.CodeExpression.</returns> public virtual CodeExpression Visit(QueryOrExpression expression) { return(this.VisitBinaryExpression(expression, CodeBinaryOperatorType.BooleanOr)); }
/// <summary> /// Visits a QueryExpression tree whose root node is the QueryOrExpression. /// </summary> /// <param name="expression">The root node of the expression tree being visited.</param> /// <returns>Uri query string representing the expression.</returns> public override string Visit(QueryOrExpression expression) { return(this.VisitBinaryExpession(expression, "{0} or {1}")); }