mcs/class/System.XML/System.Xml.XPath/XPathExpression.cs

   1 //
   2 // System.Xml.XPath.XPathExpression
   3 //
   4 // Author:
   5 //   Jason Diamond (jason@injektilo.org)
   6 //
   7 // (C) 2002 Jason Diamond  http://injektilo.org/
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.Collections;
  32 using Mono.Xml.XPath;
  33 using System.Xml.Xsl;
  34
  35 #if NET_2_0
  36 using NSResolver = System.Xml.IXmlNamespaceResolver;
  37 #else
  38 using NSResolver = System.Xml.XmlNamespaceManager;
  39 #endif
  40
  41 namespace System.Xml.XPath
  42 {
  43         public abstract class XPathExpression
  44         {
  45                 #region Constructor
  46
  47                 internal XPathExpression ()
  48                 {
  49                 }
  50
  51                 #endregion
  52
  53                 #region Properties
  54
  55                 public abstract string Expression { get; }
  56
  57                 public abstract XPathResultType ReturnType { get; }
  58
  59                 #endregion
  60
  61                 #region Methods
  62
  63                 public abstract void AddSort (object expr, IComparer comparer);
  64
  65                 public abstract void AddSort (
  66                         object expr,
  67                         XmlSortOrder order,
  68                         XmlCaseOrder caseOrder,
  69                         string lang,
  70                         XmlDataType dataType
  71                 );
  72
  73                 public abstract XPathExpression Clone ();
  74
  75                 public abstract void SetContext (XmlNamespaceManager nsManager);
  76
  77 #if NET_2_0
  78                 public
  79 #else
  80                 internal
  81 #endif
  82                 static XPathExpression Compile (string xpath)
  83                 {
  84                         return Compile (xpath, null, null);
  85                 }
  86
  87 #if NET_2_0
  88                 public static XPathExpression Compile (
  89                         string xpath, NSResolver nsmgr)
  90                 {
  91                         return Compile (xpath, nsmgr, null);
  92                 }
  93 #endif
  94
  95                 internal static XPathExpression Compile (string xpath,
  96                         NSResolver nsmgr, IStaticXsltContext ctx)
  97                 {
  98                         XPathParser parser = new XPathParser (ctx);
  99                         CompiledExpression x = new CompiledExpression (xpath, parser.Compile (xpath));
 100                         x.SetContext (nsmgr);
 101                         return x;
 102                 }
 103
 104 #if NET_2_0
 105                 public abstract void SetContext (IXmlNamespaceResolver nsResolver);
 106 #endif
 107                 #endregion
 108         }
 109 }