/// <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(QueryIsOfExpression expression) { CodeExpression argument = this.GenerateCode(expression.Source); CodeTypeReference type = this.GetTypeReference(expression.TypeToOperateAgainst); return(argument.TypeIs(type)); }
/// <summary> /// Evaluates the specified expression. /// </summary> /// <param name="expression">The expression to evaluate.</param> /// <returns>Value of the expression.</returns> public QueryValue Visit(QueryIsOfExpression expression) { QueryValue source = this.Evaluate(expression.Source); QueryType resultType = expression.TypeToOperateAgainst; return(source.IsOf(resultType, false)); }
/// <summary> /// Replaces the given expression. /// </summary> /// <param name="expression">Expression to replace.</param> /// <returns>Replaced expression.</returns> public virtual QueryExpression Visit(QueryIsOfExpression expression) { var source = this.ReplaceExpression(expression.Source); if (this.HasChanged(expression.Source, source)) { return(source.IsOf(expression.TypeToOperateAgainst)); } return(expression); }
/// <summary> /// Visits a QueryExpression tree whose root node is the QueryCastExpression. /// </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(QueryIsOfExpression expression) { string argument = this.Convert(expression.Source); string edmTypeLiteral = this.GetEdmTypeName(expression.TypeToOperateAgainst); if (string.IsNullOrEmpty(argument)) { return(string.Format(CultureInfo.InvariantCulture, "isof('{0}')", edmTypeLiteral)); } return(string.Format(CultureInfo.InvariantCulture, "isof({0}, '{1}')", argument, edmTypeLiteral)); }
/// <summary> /// Visits a QueryExpression tree whose root node is the QueryCastExpression. /// </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(QueryIsOfExpression expression) { string argument = this.Convert(expression.Source); string edmTypeLiteral = this.GetEdmTypeName(expression.TypeToOperateAgainst); if (string.IsNullOrEmpty(argument)) { return string.Format(CultureInfo.InvariantCulture, "isof('{0}')", edmTypeLiteral); } return string.Format(CultureInfo.InvariantCulture, "isof({0}, '{1}')", argument, edmTypeLiteral); }
/// <summary> /// Visits a QueryExpression tree whose root node is the QueryIsOfExpression. /// </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(QueryIsOfExpression 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(QueryIsOfExpression expression) { var source = this.ResolveTypes(expression.Source); return(source.IsOf(expression.TypeToOperateAgainst)); }