/mcs/class/System.Xml.Linq/System.Xml.XPath/Extensions.cs
C# | 87 lines | 51 code | 11 blank | 25 comment | 4 complexity | 642c8c0bd8d141e8e09c7df08e8ecf6c MD5 | raw file
Possible License(s): LGPL-2.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, GPL-2.0, LGPL-2.1
- //
- // Authors:
- // Atsushi Enomoto
- //
- // Copyright 2007 Novell (http://www.novell.com)
- //
- // Permission is hereby granted, free of charge, to any person obtaining
- // a copy of this software and associated documentation files (the
- // "Software"), to deal in the Software without restriction, including
- // without limitation the rights to use, copy, modify, merge, publish,
- // distribute, sublicense, and/or sell copies of the Software, and to
- // permit persons to whom the Software is furnished to do so, subject to
- // the following conditions:
- //
- // The above copyright notice and this permission notice shall be
- // included in all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- //
- #if !NET_2_1 || MONOTOUCH
- using System;
- using System.Collections.Generic;
- using System.Xml;
- using System.Xml.Linq;
- namespace System.Xml.XPath
- {
- public static class Extensions
- {
- public static XPathNavigator CreateNavigator (this XNode node)
- {
- return CreateNavigator (node, new NameTable ());
- }
- public static XPathNavigator CreateNavigator (this XNode node, XmlNameTable nameTable)
- {
- return new XNodeNavigator (node, nameTable);
- }
- public static object XPathEvaluate (this XNode node, string expression)
- {
- return XPathEvaluate (node, expression, null);
- }
- public static object XPathEvaluate (this XNode node, string expression, IXmlNamespaceResolver nsResolver)
- {
- return CreateNavigator (node).Evaluate (expression, nsResolver);
- }
- public static XElement XPathSelectElement (this XNode node, string xpath)
- {
- return XPathSelectElement (node, xpath, null);
- }
- public static XElement XPathSelectElement (this XNode node, string xpath, IXmlNamespaceResolver nsResolver)
- {
- XPathNavigator nav = CreateNavigator (node).SelectSingleNode (xpath, nsResolver);
- if (nav == null)
- return null;
- return nav.UnderlyingObject as XElement;
- }
- public static IEnumerable<XElement> XPathSelectElements (this XNode node, string xpath)
- {
- return XPathSelectElements (node, xpath, null);
- }
- public static IEnumerable<XElement> XPathSelectElements (this XNode node, string xpath, IXmlNamespaceResolver nsResolver)
- {
- XPathNodeIterator iter = CreateNavigator (node).Select (xpath, nsResolver);
- foreach (XPathNavigator nav in iter){
- if (nav.UnderlyingObject is XElement)
- yield return (XElement) nav.UnderlyingObject;
- }
- }
- }
- }
- #endif