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 \r
  51                                 do {\r
  52                                         XmlNode n = OwnerDocument.ReadNode (xmlReader);\r
  53                                         if(n == null) break;\r
  54                                         AppendChild (n);\r
  55                                 } while (true);\r
  56                         }\r
  57                         get {\r
  58                                 StringBuilder sb = new StringBuilder ();\r
  59                                 foreach(XmlNode n in ChildNodes)\r
  60                                         sb.Append (n.OuterXml);\r
  61                                 return sb.ToString ();\r
  62                         }\r
  63                 }\r
  64                 \r
  65                 public override string LocalName {\r
  66                         get { return "#document-fragment"; }\r
  67                 }\r
  68 \r
  69 \r
  70                 public override string Name { \r
  71                         get { return "#document-fragment"; }\r
  72                 }\r
  73 \r
  74                 public override XmlNodeType NodeType {\r
  75                         get { return XmlNodeType.DocumentFragment; }\r
  76                 }\r
  77 \r
  78                 public override XmlDocument OwnerDocument {\r
  79                         get { return base.OwnerDocument; }\r
  80                 }\r
  81 \r
  82                 public override XmlNode ParentNode {\r
  83                         get { return null; } // it's always null here.\r
  84                 }\r
  85 \r
  86                 // It is really not a type of XmlLinkedNode,\r
  87                 //   but I copied this way from XmlElement. I looks good.\r
  88                 internal override XmlLinkedNode LastLinkedChild\r
  89                 {\r
  90                         get { return lastLinkedChild; }\r
  91                         set { lastLinkedChild = value; }\r
  92                 }\r
  93                 #endregion\r
  94 \r
  95                 #region Methods         \r
  96                 public override XmlNode CloneNode (bool deep)\r
  97                 {\r
  98                         if (deep) { // clone document + child nodes\r
  99                                 XmlNode node = FirstChild;\r
 100 \r
 101                                 while ((node != null) && (node.HasChildNodes)) {\r
 102                                         AppendChild (node.NextSibling.CloneNode (false));\r
 103                                         node = node.NextSibling;\r
 104                                 }\r
 105 \r
 106                                 return node;\r
 107                         } else\r
 108                                 return new XmlDocumentFragment (OwnerDocument);\r
 109                 }\r
 110 \r
 111                 public override void WriteContentTo (XmlWriter w)\r
 112                 {\r
 113                         foreach(XmlNode n in ChildNodes)\r
 114                                 n.WriteContentTo (w);\r
 115                 }\r
 116 \r
 117                 public override void WriteTo (XmlWriter w)\r
 118                 {\r
 119                         foreach(XmlNode n in ChildNodes)\r
 120                                 n.WriteTo (w);\r
 121                 }\r
 122 \r
 123                 #endregion\r
 124         }\r
 125 }\r