class/System/System.Configuration/ConfigXmlDocument.cs

   1 //
   2 // System.Configuration.ConfigXmlDocument
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //
   7 // (C) 2002 Ximian, Inc (http://www.ximian.com)
   8 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 #if NET_2_0 && CONFIGURATION_DEP
  31 using System.Configuration.Internal;
  32 #endif
  33 using System.IO;
  34 using System.Security;
  35 using System.Security.Permissions;
  36
  37 #if (XML_DEP)
  38 using System.Xml;
  39
  40 namespace System.Configuration
  41 {
  42         [PermissionSet (SecurityAction.LinkDemand, Unrestricted = true)]
  43         public sealed class ConfigXmlDocument : XmlDocument, IConfigXmlNode
  44 #if NET_2_0 && CONFIGURATION_DEP
  45                 , IConfigErrorInfo
  46 #endif
  47         {
  48                 XmlTextReader reader;
  49                 string fileName;
  50                 int lineNumber;
  51
  52                 public override XmlAttribute CreateAttribute (string prefix,
  53                                                               string localName,
  54                                                               string namespaceUri)
  55                 {
  56                         return new ConfigXmlAttribute (this, prefix, localName, namespaceUri);
  57                 }
  58
  59                 public override XmlCDataSection CreateCDataSection (string data)
  60                 {
  61                         return new ConfigXmlCDataSection (this, data);
  62                 }
  63
  64                 public override XmlComment CreateComment (string comment)
  65                 {
  66                         return new ConfigXmlComment (this, comment);
  67                 }
  68
  69                 public override XmlElement CreateElement (string prefix, string localName, string namespaceUri)
  70                 {
  71                         return new ConfigXmlElement (this, prefix, localName, namespaceUri);
  72                 }
  73
  74                 public override XmlSignificantWhitespace CreateSignificantWhitespace (string data)
  75                 {
  76                         return base.CreateSignificantWhitespace (data);
  77                 }
  78
  79                 public override XmlText CreateTextNode (string text)
  80                 {
  81                         return new ConfigXmlText (this, text);
  82                 }
  83
  84                 public override XmlWhitespace CreateWhitespace (string data)
  85                 {
  86                         return base.CreateWhitespace (data);
  87                 }
  88
  89                 public override void Load (string filename)
  90                 {
  91                         XmlTextReader rd = new XmlTextReader (filename);
  92                         try {
  93                                 rd.MoveToContent ();
  94                                 LoadSingleElement (filename, rd);
  95                         } finally {
  96                                 rd.Close ();
  97                         }
  98                 }
  99
 100                 public void LoadSingleElement (string filename, XmlTextReader sourceReader)
 101                 {
 102                         fileName = filename;
 103                         lineNumber = sourceReader.LineNumber;
 104                         string xml = sourceReader.ReadOuterXml();
 105                         reader = new XmlTextReader (new StringReader (xml), sourceReader.NameTable);
 106                         Load (reader);
 107                         reader.Close ();
 108                 }
 109
 110                 public string Filename
 111                 {
 112                         get {
 113                                 if ((fileName != null) && (fileName.Length > 0) && SecurityManager.SecurityEnabled) {
 114                                         new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fileName).Demand ();
 115                                 }
 116                                 return fileName;
 117                         }
 118                 }
 119
 120                 public int LineNumber
 121                 {
 122                         get {
 123                                 return lineNumber;
 124                         }
 125                 }
 126
 127 #if NET_2_0 && CONFIGURATION_DEP
 128                 string System.Configuration.Internal.IConfigErrorInfo.Filename {
 129                         get { return Filename; }
 130                 }
 131
 132                 int System.Configuration.Internal.IConfigErrorInfo.LineNumber {
 133                         get { return LineNumber; }
 134                 }
 135 #endif
 136
 137                 string IConfigXmlNode.Filename {
 138                         get { return Filename; }
 139                 }
 140
 141                 int IConfigXmlNode.LineNumber {
 142                         get { return LineNumber; }
 143                 }
 144
 145                 //
 146                 // Wrappers for Xml* that just provide file name and line number addition
 147                 //
 148                 class ConfigXmlAttribute : XmlAttribute, IConfigXmlNode
 149 #if NET_2_0 && CONFIGURATION_DEP
 150                         , IConfigErrorInfo
 151 #endif
 152                 {
 153                         string fileName;
 154                         int lineNumber;
 155
 156                         public ConfigXmlAttribute (ConfigXmlDocument document,
 157                                                    string prefix,
 158                                                    string localName,
 159                                                    string namespaceUri)
 160                                 : base (prefix, localName, namespaceUri, document)
 161                         {
 162                                 fileName = document.fileName;
 163                                 lineNumber = document.LineNumber;
 164                         }
 165
 166                         public string Filename
 167                         {
 168                                 get {
 169                                         if ((fileName != null) && (fileName.Length > 0) && SecurityManager.SecurityEnabled) {
 170                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fileName).Demand ();
 171                                         }
 172                                         return fileName;
 173                                 }
 174                         }
 175
 176                         public int LineNumber
 177                         {
 178                                 get {
 179                                         return lineNumber;
 180                                 }
 181                         }
 182                 }
 183
 184                 class ConfigXmlCDataSection : XmlCDataSection, IConfigXmlNode
 185 #if NET_2_0 && CONFIGURATION_DEP
 186                         , IConfigErrorInfo
 187 #endif
 188                 {
 189                         string fileName;
 190                         int lineNumber;
 191
 192                         public ConfigXmlCDataSection (ConfigXmlDocument document, string data)
 193                                 : base (data, document)
 194                         {
 195                                 fileName = document.fileName;
 196                                 lineNumber = document.LineNumber;
 197                         }
 198
 199                         public string Filename
 200                         {
 201                                 get {
 202                                         if ((fileName != null) && (fileName.Length > 0) && SecurityManager.SecurityEnabled) {
 203                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fileName).Demand ();
 204                                         }
 205                                         return fileName;
 206                                 }
 207                         }
 208
 209                         public int LineNumber
 210                         {
 211                                 get {
 212                                         return lineNumber;
 213                                 }
 214                         }
 215                 }
 216
 217                 class ConfigXmlComment : XmlComment, IConfigXmlNode
 218                 {
 219                         string fileName;
 220                         int lineNumber;
 221
 222                         public ConfigXmlComment (ConfigXmlDocument document, string comment)
 223                                 : base (comment, document)
 224                         {
 225                                 fileName = document.fileName;
 226                                 lineNumber = document.LineNumber;
 227                         }
 228
 229                         public string Filename
 230                         {
 231                                 get {
 232                                         if ((fileName != null) && (fileName.Length > 0) && SecurityManager.SecurityEnabled) {
 233                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fileName).Demand ();
 234                                         }
 235                                         return fileName;
 236                                 }
 237                         }
 238
 239                         public int LineNumber
 240                         {
 241                                 get {
 242                                         return lineNumber;
 243                                 }
 244                         }
 245                 }
 246
 247                 class ConfigXmlElement : XmlElement, IConfigXmlNode
 248 #if NET_2_0 && CONFIGURATION_DEP
 249                         , IConfigErrorInfo
 250 #endif
 251                 {
 252                         string fileName;
 253                         int lineNumber;
 254
 255                         public ConfigXmlElement (ConfigXmlDocument document,
 256                                                  string prefix,
 257                                                  string localName,
 258                                                  string namespaceUri)
 259                                 : base (prefix, localName, namespaceUri, document)
 260                         {
 261                                 fileName = document.fileName;
 262                                 lineNumber = document.LineNumber;
 263                         }
 264
 265                         public string Filename
 266                         {
 267                                 get {
 268                                         if ((fileName != null) && (fileName.Length > 0) && SecurityManager.SecurityEnabled) {
 269                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fileName).Demand ();
 270                                         }
 271                                         return fileName;
 272                                 }
 273                         }
 274
 275                         public int LineNumber
 276                         {
 277                                 get {
 278                                         return lineNumber;
 279                                 }
 280                         }
 281                 }
 282
 283                 class ConfigXmlText : XmlText, IConfigXmlNode
 284 #if NET_2_0 && CONFIGURATION_DEP
 285                         , IConfigErrorInfo
 286 #endif
 287                 {
 288                         string fileName;
 289                         int lineNumber;
 290
 291                         public ConfigXmlText (ConfigXmlDocument document, string data)
 292                                 : base (data, document)
 293                         {
 294                                 fileName = document.fileName;
 295                                 lineNumber = document.LineNumber;
 296                         }
 297
 298                         public string Filename
 299                         {
 300                                 get {
 301                                         if ((fileName != null) && (fileName.Length > 0) && SecurityManager.SecurityEnabled) {
 302                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fileName).Demand ();
 303                                         }
 304                                         return fileName;
 305                                 }
 306                         }
 307
 308                         public int LineNumber
 309                         {
 310                                 get {
 311                                         return lineNumber;
 312                                 }
 313                         }
 314                 }
 315         }
 316 }
 317
 318 #endif