mcs/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 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 #pragma warning disable 618
  41
  42 namespace System.Configuration
  43 {
  44         [PermissionSet (SecurityAction.LinkDemand, Unrestricted = true)]
  45         public sealed class ConfigXmlDocument : XmlDocument, IConfigXmlNode
  46 #if CONFIGURATION_DEP
  47                 , IConfigErrorInfo
  48 #endif
  49         {
  50                 XmlTextReader reader;
  51                 string fileName;
  52                 int lineNumber;
  53
  54                 public override XmlAttribute CreateAttribute (string prefix,
  55                                                               string localName,
  56                                                               string namespaceUri)
  57                 {
  58                         return new ConfigXmlAttribute (this, prefix, localName, namespaceUri);
  59                 }
  60
  61                 public override XmlCDataSection CreateCDataSection (string data)
  62                 {
  63                         return new ConfigXmlCDataSection (this, data);
  64                 }
  65
  66                 public override XmlComment CreateComment (string data)
  67                 {
  68                         return new ConfigXmlComment (this, data);
  69                 }
  70
  71                 public override XmlElement CreateElement (string prefix, string localName, string namespaceUri)
  72                 {
  73                         return new ConfigXmlElement (this, prefix, localName, namespaceUri);
  74                 }
  75
  76                 public override XmlSignificantWhitespace CreateSignificantWhitespace (string data)
  77                 {
  78                         return base.CreateSignificantWhitespace (data);
  79                 }
  80
  81                 public override XmlText CreateTextNode (string text)
  82                 {
  83                         return new ConfigXmlText (this, text);
  84                 }
  85
  86                 public override XmlWhitespace CreateWhitespace (string data)
  87                 {
  88                         return base.CreateWhitespace (data);
  89                 }
  90
  91                 public override void Load (string filename)
  92                 {
  93                         XmlTextReader rd = new XmlTextReader (filename);
  94                         try {
  95                                 rd.MoveToContent ();
  96                                 LoadSingleElement (filename, rd);
  97                         } finally {
  98                                 rd.Close ();
  99                         }
 100                 }
 101
 102                 public void LoadSingleElement (string filename, XmlTextReader sourceReader)
 103                 {
 104                         fileName = filename;
 105                         lineNumber = sourceReader.LineNumber;
 106                         string xml = sourceReader.ReadOuterXml();
 107                         reader = new XmlTextReader (new StringReader (xml), sourceReader.NameTable);
 108                         Load (reader);
 109                         reader.Close ();
 110                 }
 111
 112                 public string Filename
 113                 {
 114                         get {
 115                                 if ((fileName != null) && (fileName.Length > 0) && SecurityManager.SecurityEnabled) {
 116                                         new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fileName).Demand ();
 117                                 }
 118                                 return fileName;
 119                         }
 120                 }
 121
 122                 public int LineNumber
 123                 {
 124                         get {
 125                                 return lineNumber;
 126                         }
 127                 }
 128
 129 #if CONFIGURATION_DEP
 130                 string System.Configuration.Internal.IConfigErrorInfo.Filename {
 131                         get { return Filename; }
 132                 }
 133
 134                 int System.Configuration.Internal.IConfigErrorInfo.LineNumber {
 135                         get { return LineNumber; }
 136                 }
 137 #endif
 138
 139                 string IConfigXmlNode.Filename {
 140                         get { return Filename; }
 141                 }
 142
 143                 int IConfigXmlNode.LineNumber {
 144                         get { return LineNumber; }
 145                 }
 146
 147                 //
 148                 // Wrappers for Xml* that just provide file name and line number addition
 149                 //
 150                 class ConfigXmlAttribute : XmlAttribute, IConfigXmlNode
 151 #if CONFIGURATION_DEP
 152                         , IConfigErrorInfo
 153 #endif
 154                 {
 155                         string fileName;
 156                         int lineNumber;
 157
 158                         public ConfigXmlAttribute (ConfigXmlDocument document,
 159                                                    string prefix,
 160                                                    string localName,
 161                                                    string namespaceUri)
 162                                 : base (prefix, localName, namespaceUri, document)
 163                         {
 164                                 fileName = document.fileName;
 165                                 lineNumber = document.LineNumber;
 166                         }
 167
 168                         public string Filename
 169                         {
 170                                 get {
 171                                         if ((fileName != null) && (fileName.Length > 0) && SecurityManager.SecurityEnabled) {
 172                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fileName).Demand ();
 173                                         }
 174                                         return fileName;
 175                                 }
 176                         }
 177
 178                         public int LineNumber
 179                         {
 180                                 get {
 181                                         return lineNumber;
 182                                 }
 183                         }
 184                 }
 185
 186                 class ConfigXmlCDataSection : XmlCDataSection, IConfigXmlNode
 187 #if CONFIGURATION_DEP
 188                         , IConfigErrorInfo
 189 #endif
 190                 {
 191                         string fileName;
 192                         int lineNumber;
 193
 194                         public ConfigXmlCDataSection (ConfigXmlDocument document, string data)
 195                                 : base (data, document)
 196                         {
 197                                 fileName = document.fileName;
 198                                 lineNumber = document.LineNumber;
 199                         }
 200
 201                         public string Filename
 202                         {
 203                                 get {
 204                                         if ((fileName != null) && (fileName.Length > 0) && SecurityManager.SecurityEnabled) {
 205                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fileName).Demand ();
 206                                         }
 207                                         return fileName;
 208                                 }
 209                         }
 210
 211                         public int LineNumber
 212                         {
 213                                 get {
 214                                         return lineNumber;
 215                                 }
 216                         }
 217                 }
 218
 219                 class ConfigXmlComment : XmlComment, IConfigXmlNode
 220                 {
 221                         string fileName;
 222                         int lineNumber;
 223
 224                         public ConfigXmlComment (ConfigXmlDocument document, string comment)
 225                                 : base (comment, document)
 226                         {
 227                                 fileName = document.fileName;
 228                                 lineNumber = document.LineNumber;
 229                         }
 230
 231                         public string Filename
 232                         {
 233                                 get {
 234                                         if ((fileName != null) && (fileName.Length > 0) && SecurityManager.SecurityEnabled) {
 235                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fileName).Demand ();
 236                                         }
 237                                         return fileName;
 238                                 }
 239                         }
 240
 241                         public int LineNumber
 242                         {
 243                                 get {
 244                                         return lineNumber;
 245                                 }
 246                         }
 247                 }
 248
 249                 class ConfigXmlElement : XmlElement, IConfigXmlNode
 250 #if CONFIGURATION_DEP
 251                         , IConfigErrorInfo
 252 #endif
 253                 {
 254                         string fileName;
 255                         int lineNumber;
 256
 257                         public ConfigXmlElement (ConfigXmlDocument document,
 258                                                  string prefix,
 259                                                  string localName,
 260                                                  string namespaceUri)
 261                                 : base (prefix, localName, namespaceUri, document)
 262                         {
 263                                 fileName = document.fileName;
 264                                 lineNumber = document.LineNumber;
 265                         }
 266
 267                         public string Filename
 268                         {
 269                                 get {
 270                                         if ((fileName != null) && (fileName.Length > 0) && SecurityManager.SecurityEnabled) {
 271                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fileName).Demand ();
 272                                         }
 273                                         return fileName;
 274                                 }
 275                         }
 276
 277                         public int LineNumber
 278                         {
 279                                 get {
 280                                         return lineNumber;
 281                                 }
 282                         }
 283                 }
 284
 285                 class ConfigXmlText : XmlText, IConfigXmlNode
 286 #if CONFIGURATION_DEP
 287                         , IConfigErrorInfo
 288 #endif
 289                 {
 290                         string fileName;
 291                         int lineNumber;
 292
 293                         public ConfigXmlText (ConfigXmlDocument document, string data)
 294                                 : base (data, document)
 295                         {
 296                                 fileName = document.fileName;
 297                                 lineNumber = document.LineNumber;
 298                         }
 299
 300                         public string Filename
 301                         {
 302                                 get {
 303                                         if ((fileName != null) && (fileName.Length > 0) && SecurityManager.SecurityEnabled) {
 304                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fileName).Demand ();
 305                                         }
 306                                         return fileName;
 307                                 }
 308                         }
 309
 310                         public int LineNumber
 311                         {
 312                                 get {
 313                                         return lineNumber;
 314                                 }
 315                         }
 316                 }
 317         }
 318 }
 319
 320 #endif