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 \r
  14 namespace System.Xml\r
  15 {\r
  16         public class XmlDocumentFragment : XmlNode\r
  17         {\r
  18                 #region Fields\r
  19 \r
  20                 private XmlLinkedNode lastLinkedChild;\r
  21 \r
  22                 #endregion\r
  23 \r
  24                 #region Constructor\r
  25 \r
  26                 protected internal XmlDocumentFragment (XmlDocument doc)\r
  27                         : base (doc)\r
  28                 {\r
  29                 }\r
  30                 \r
  31                 #endregion\r
  32                 #region Properties\r
  33 \r
  34                 [MonoTODO("Setter is as incomplete as that of XmlElement.InnerXml")]\r
  35                 public override string InnerXml {\r
  36                         set {\r
  37                                 // Copied from XmlElement.InnerXml (in the meantime;-))\r
  38                                 foreach(XmlNode n in ChildNodes)\r
  39                                 {\r
  40                                         this.RemoveChild (n);\r
  41                                 }                 \r
  42 \r
  43                                 // I hope there are any well-performance logic...\r
  44                                 XmlNameTable nt = this.OwnerDocument.NameTable;\r
  45                                 XmlNamespaceManager nsmgr = this.ConstructNamespaceManager ();\r
  46                                 XmlParserContext ctx = new XmlParserContext (nt, nsmgr, XmlLang, this.XmlSpace);\r
  47                                 XmlTextReader xmlReader = OwnerDocument.ReusableReader;\r
  48                                 xmlReader.SetReaderContext (String.Empty, ctx);\r
  49                                 xmlReader.SetReaderFragment (new StringReader (value), XmlNodeType.Element);\r
  50                                 this.ConstructDOM (xmlReader, this);\r
  51                         }\r
  52                         get {\r
  53                                 StringBuilder sb = new StringBuilder ();\r
  54                                 foreach(XmlNode n in ChildNodes)\r
  55                                         sb.Append (n.OuterXml);\r
  56                                 return sb.ToString ();\r
  57                         }\r
  58                 }\r
  59                 \r
  60                 public override string LocalName {\r
  61                         get { return "#document-fragment"; }\r
  62                 }\r
  63 \r
  64 \r
  65                 public override string Name { \r
  66                         get { return "#document-fragment"; }\r
  67                 }\r
  68 \r
  69                 public override XmlNodeType NodeType {\r
  70                         get { return XmlNodeType.DocumentFragment; }\r
  71                 }\r
  72 \r
  73                 public override XmlDocument OwnerDocument {\r
  74                         get { return base.OwnerDocument; }\r
  75                 }\r
  76 \r
  77                 public override XmlNode ParentNode {\r
  78                         get { return null; } // it's always null here.\r
  79                 }\r
  80 \r
  81                 // It is really not a type of XmlLinkedNode,\r
  82                 //   but I copied this way from XmlElement. I looks good.\r
  83                 internal override XmlLinkedNode LastLinkedChild\r
  84                 {\r
  85                         get { return lastLinkedChild; }\r
  86                         set { lastLinkedChild = value; }\r
  87                 }\r
  88                 #endregion\r
  89 \r
  90                 #region Methods         \r
  91                 public override XmlNode CloneNode (bool deep)\r
  92                 {\r
  93                         if (deep) { // clone document + child nodes\r
  94                                 XmlNode node = FirstChild;\r
  95 \r
  96                                 while ((node != null) && (node.HasChildNodes)) {\r
  97                                         AppendChild (node.NextSibling.CloneNode (false));\r
  98                                         node = node.NextSibling;\r
  99                                 }\r
 100 \r
 101                                 return node;\r
 102                         } else\r
 103                                 return new XmlDocumentFragment (OwnerDocument);\r
 104                 }\r
 105 \r
 106                 public override void WriteContentTo (XmlWriter w)\r
 107                 {\r
 108                         foreach(XmlNode n in ChildNodes)\r
 109                                 n.WriteContentTo (w);\r
 110                 }\r
 111 \r
 112                 public override void WriteTo (XmlWriter w)\r
 113                 {\r
 114                         foreach(XmlNode n in ChildNodes)\r
 115                                 n.WriteTo (w);\r
 116                 }\r
 117 \r
 118                 #endregion\r
 119         }\r
 120 }\r