mcs/class/referencesource/System.Xml/System/Xml/XPath/Internal/OperandQuery.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="OperandQuery.cs" company="Microsoft">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 // <owner current="true" primary="true">Microsoft</owner>
   6 //------------------------------------------------------------------------------
   7
   8 namespace MS.Internal.Xml.XPath {
   9     using System;
  10     using System.Xml;
  11     using System.Xml.XPath;
  12     using System.Diagnostics;
  13     using System.Globalization;
  14     using System.Collections;
  15
  16     internal sealed class OperandQuery : ValueQuery {
  17         internal object val;
  18
  19         public OperandQuery(object val) {
  20             this.val = val;
  21         }
  22
  23         public override object Evaluate(XPathNodeIterator nodeIterator) {
  24             return val;
  25         }
  26         public override XPathResultType StaticType { get { return GetXPathType(val); } }
  27         public override XPathNodeIterator Clone() { return this; }
  28
  29         public override void PrintQuery(XmlWriter w) {
  30             w.WriteStartElement(this.GetType().Name);
  31             w.WriteAttributeString("value", Convert.ToString(val, CultureInfo.InvariantCulture));
  32             w.WriteEndElement();
  33         }
  34     }
  35 }