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

   1 //\r
   2 // System.Xml.XmlDeclaration\r
   3 //\r
   4 // Author:\r
   5 //      Duncan Mak  (duncan@ximian.com)\r
   6 //\r
   7 // (C) Ximian, Inc.\r
   8 \r
   9 using System;\r
  10 using System.Xml;\r
  11 \r
  12 namespace System.Xml\r
  13 {\r
  14         public class XmlDeclaration : XmlLinkedNode\r
  15         {\r
  16                 string encoding = "UTF-8"; // defaults to UTF-8\r
  17                 string standAlone;\r
  18                 string version;\r
  19 \r
  20                 protected internal XmlDeclaration (string version, string encoding,\r
  21                                                    string standAlone, XmlDocument doc)\r
  22                         : base (doc)\r
  23                 {\r
  24                         this.version = version;\r
  25                         this.encoding = encoding;\r
  26                         this.standAlone = standAlone;\r
  27                 }\r
  28 \r
  29                 public string Encoding  {\r
  30                         get {\r
  31                                 if (encoding == null)\r
  32                                         return String.Empty;\r
  33                                 else\r
  34                                         return encoding;\r
  35                         } \r
  36 \r
  37                         set { encoding = value ; } // Note: MS' doesn't check this string, should we?\r
  38                 }\r
  39 \r
  40                 public override string InnerText {\r
  41                         get { return Value; }\r
  42                         set { ParseInput (value); }\r
  43                 }\r
  44                 \r
  45                 public override string LocalName {\r
  46                         get { return "xml"; }\r
  47                 }\r
  48 \r
  49                 public override string Name {\r
  50                         get { return "xml"; }\r
  51                 }\r
  52 \r
  53                 public override XmlNodeType NodeType {\r
  54                         get { return XmlNodeType.XmlDeclaration; }\r
  55                 }\r
  56 \r
  57                 public string Standalone {\r
  58                         get {\r
  59                                 if (standAlone == null)\r
  60                                         return String.Empty;\r
  61                                 else\r
  62                                         return standAlone;\r
  63                         }\r
  64 \r
  65                         set {\r
  66                                 if (value.ToUpper() == "YES")\r
  67                                         standAlone = "yes";\r
  68                                 if (value.ToUpper() == "NO")\r
  69                                         standAlone = "no";\r
  70                         }\r
  71                 }\r
  72 \r
  73                 public override string Value {\r
  74                         get { return String.Format ("version=\"{0}\" encoding=\"{1}\" standalone=\"{2}\"",\r
  75                                                     Version, Encoding, Standalone); }\r
  76                         set { ParseInput (value); }\r
  77                 }\r
  78 \r
  79                 public string Version {\r
  80                         get { return version; }\r
  81                 }\r
  82 \r
  83                 public override XmlNode CloneNode (bool deep)\r
  84                 {\r
  85                         return new XmlDeclaration (Version, Encoding, standAlone, OwnerDocument);\r
  86                 }\r
  87 \r
  88                 public override void WriteContentTo (XmlWriter w)\r
  89                 {\r
  90                         // Nothing to do - no children.\r
  91                 }\r
  92 \r
  93                 [MonoTODO]\r
  94                 public override void WriteTo (XmlWriter w)\r
  95                 {\r
  96                         if ((Standalone == String.Empty) || (Encoding == String.Empty))\r
  97                                 return;\r
  98                 }\r
  99 \r
 100                 void ParseInput (string input)\r
 101                 {                       \r
 102                         Encoding = input.Split (new char [] { ' ' }) [1].Split (new char [] { '=' }) [1];\r
 103                         Standalone = input.Split (new char [] { ' ' }) [2].Split (new char [] { '=' }) [1];\r
 104                 }\r
 105         }\r
 106 }\r