mcs/class/System.XML/System.Xml/XmlDocumentFragment.cs

   1 //\r
   2 // System.Xml.XmlDocumentFragment\r
   3 //\r
   4 // Author:\r
   5 //   Duncan Mak  (duncan@ximian.com)\r
   6 //   Atsushi Enomoto  (ginga@kit.hi-ho.ne.jp)\r
   7 //\r
   8 // (C), Ximian, Inc\r
   9 // (C)2002 Atsushi Enomoto\r
  10 using System;\r
  11 using System.IO;\r
  12 using System.Text;\r
  13 using System.Xml.XPath;\r
  14 \r
  15 namespace System.Xml\r
  16 {\r
  17         public class XmlDocumentFragment : XmlNode\r
  18         {\r
  19 \r
  20                 #region Constructor\r
  21 \r
  22                 protected internal XmlDocumentFragment (XmlDocument doc)\r
  23                         : base (doc)\r
  24                 {\r
  25                 }\r
  26                 \r
  27                 #endregion\r
  28 \r
  29                 #region Properties\r
  30 \r
  31                 public override string InnerXml {\r
  32                         set {\r
  33                                 // Copied from XmlElement.InnerXml (in the meantime;-))\r
  34                                 foreach(XmlNode n in ChildNodes)\r
  35                                 {\r
  36                                         this.RemoveChild (n);\r
  37                                 }                 \r
  38 \r
  39                                 // I hope there are any well-performance logic...\r
  40                                 XmlNamespaceManager nsmgr = this.ConstructNamespaceManager ();\r
  41                                 XmlParserContext ctx = new XmlParserContext (OwnerDocument.NameTable, nsmgr,
  42                                         OwnerDocument.DocumentType != null ? OwnerDocument.DocumentType.DTD : null,
  43                                         BaseURI, XmlLang, XmlSpace, null);
  44                                 XmlTextReader xmlReader = new XmlTextReader (value, XmlNodeType.Element, ctx);\r
  45                                 xmlReader.XmlResolver = OwnerDocument.Resolver;\r
  46 \r
  47                                 do {\r
  48                                         XmlNode n = OwnerDocument.ReadNode (xmlReader);\r
  49                                         if(n == null) break;\r
  50                                         AppendChild (n);\r
  51                                 } while (true);\r
  52                         }\r
  53                         get {\r
  54                                 StringBuilder sb = new StringBuilder ();\r
  55                                 foreach(XmlNode n in ChildNodes)\r
  56                                         sb.Append (n.OuterXml);\r
  57                                 return sb.ToString ();\r
  58                         }\r
  59                 }\r
  60                 \r
  61                 public override string LocalName {\r
  62                         get { return "#document-fragment"; }\r
  63                 }\r
  64 \r
  65 \r
  66                 public override string Name { \r
  67                         get { return "#document-fragment"; }\r
  68                 }\r
  69 \r
  70                 public override XmlNodeType NodeType {\r
  71                         get { return XmlNodeType.DocumentFragment; }\r
  72                 }\r
  73 \r
  74                 public override XmlDocument OwnerDocument {\r
  75                         get { return base.OwnerDocument; }\r
  76                 }\r
  77 \r
  78                 public override XmlNode ParentNode {\r
  79                         get { return null; } // it's always null here.\r
  80                 }\r
  81 \r
  82                 internal override XPathNodeType XPathNodeType\r
  83                 {\r
  84                         get { return XPathNodeType.Root; }\r
  85                 }\r
  86                 #endregion\r
  87 \r
  88                 #region Methods         \r
  89                 public override XmlNode CloneNode (bool deep)\r
  90                 {\r
  91                         if (deep) { // clone document + child nodes\r
  92                                 XmlNode node = FirstChild;\r
  93 \r
  94                                 while ((node != null) && (node.HasChildNodes)) {\r
  95                                         AppendChild (node.NextSibling.CloneNode (false));\r
  96                                         node = node.NextSibling;\r
  97                                 }\r
  98 \r
  99                                 return node;\r
 100                         } else\r
 101                                 return new XmlDocumentFragment (OwnerDocument);\r
 102                 }\r
 103 \r
 104                 public override void WriteContentTo (XmlWriter w)\r
 105                 {\r
 106                         foreach(XmlNode n in ChildNodes)\r
 107                                 n.WriteContentTo (w);\r
 108                 }\r
 109 \r
 110                 public override void WriteTo (XmlWriter w)\r
 111                 {\r
 112                         foreach(XmlNode n in ChildNodes)\r
 113                                 n.WriteTo (w);\r
 114                 }\r
 115 \r
 116                 #endregion\r
 117         }\r
 118 }\r