mcs/class/System.XML/System.Xml.Schema/XmlSchemaReader.cs

   1 using System;\r
   2 using System.Xml;\r
   3 \r
   4 namespace System.Xml.Schema\r
   5 {\r
   6         /// <summary>\r
   7         /// A wrapper around XmlReader\r
   8         /// </summary>\r
   9         internal class XmlSchemaReader : XmlReader, IXmlLineInfo\r
  10         {\r
  11                 XmlReader reader;\r
  12                 ValidationEventHandler handler;\r
  13                 bool hasLineInfo;\r
  14                 public XmlSchemaReader(XmlReader reader,ValidationEventHandler handler)\r
  15                 {\r
  16                         this.reader = reader;\r
  17                         this.handler = handler;\r
  18                         if(reader is IXmlLineInfo)\r
  19                         {\r
  20                                 IXmlLineInfo info = (IXmlLineInfo)reader;\r
  21                                 hasLineInfo = info.HasLineInfo();\r
  22                         }\r
  23                 }\r
  24 \r
  25                 /// <summary>\r
  26                 /// Returns the Namespace:LocalName for the object\r
  27                 /// </summary>\r
  28                 public string FullName\r
  29                 {\r
  30                         get { return NamespaceURI + ":" + LocalName; }\r
  31                 }\r
  32 \r
  33                 public XmlReader Reader\r
  34                 {\r
  35                         get { return this.reader; }\r
  36                 }\r
  37 \r
  38                 public void RaiseInvalidElementError()\r
  39                 {\r
  40                         string errstr = "Element "+FullName + " is invalid in this context.\n";\r
  41                         if(hasLineInfo)\r
  42                                 errstr += "The error occured on ("+((IXmlLineInfo)reader).LineNumber\r
  43                                         +","+((IXmlLineInfo)reader).LinePosition+")";\r
  44                         XmlSchemaObject.error(handler, errstr, null);\r
  45                         SkipToEnd();\r
  46                 }\r
  47                 /// <summary>\r
  48                 /// Reads till the next Element or EndElement. Also checks that the Namespace of the element is\r
  49                 /// Schema's Namespace.\r
  50                 /// </summary>\r
  51                 /// <returns></returns>\r
  52                 public bool ReadNextElement()\r
  53                 {\r
  54                         MoveToElement();\r
  55                         while(Read())\r
  56                         {\r
  57                                 if(NodeType == XmlNodeType.Element || NodeType == XmlNodeType.EndElement)\r
  58                                 {\r
  59                                         if(reader.NamespaceURI != XmlSchema.Namespace)\r
  60                                         {\r
  61                                                 RaiseInvalidElementError();\r
  62                                         }\r
  63                                         else\r
  64                                         {\r
  65                                                 return true;\r
  66                                         }\r
  67                                 }\r
  68                         }\r
  69                         return false;\r
  70                 }\r
  71 \r
  72                 /// <summary>\r
  73                 /// Skips to the end of the current element\r
  74                 /// </summary>\r
  75                 public void SkipToEnd()\r
  76                 {\r
  77                         MoveToElement();\r
  78                         if(IsEmptyElement || NodeType != XmlNodeType.Element)\r
  79                                 return;\r
  80                         if(NodeType == XmlNodeType.Element)\r
  81                         {\r
  82                                 int depth = Depth;\r
  83                                 while(Read())\r
  84                                 {\r
  85                                         if(Depth == depth)\r
  86                                                 break;\r
  87                                 }\r
  88                         }\r
  89                         return;\r
  90                 }\r
  91 \r
  92                 #region LineInfo\r
  93                 public bool HasLineInfo()\r
  94                 {\r
  95                         return hasLineInfo;\r
  96                 }\r
  97                 public int LineNumber\r
  98                 {\r
  99                         get { return hasLineInfo?((IXmlLineInfo)reader).LineNumber: 0; }\r
 100                 }\r
 101                 public int LinePosition\r
 102                 {\r
 103                         get { return hasLineInfo?((IXmlLineInfo)reader).LinePosition: 0; }\r
 104                 }\r
 105                 #endregion\r
 106 \r
 107                 #region Delegates\r
 108                 public override int AttributeCount \r
 109                 {\r
 110                         get { return  reader.AttributeCount; }\r
 111                 }\r
 112                 public override string BaseURI \r
 113                 {\r
 114                         get { return  reader.BaseURI; }\r
 115                 }\r
 116                 public override bool CanResolveEntity \r
 117                 {\r
 118                         get { return  reader.CanResolveEntity; }\r
 119                 }\r
 120                 public override int Depth \r
 121                 {\r
 122                         get { return  reader.Depth; }\r
 123                 }\r
 124                 public override bool EOF \r
 125                 {\r
 126                         get { return  reader.EOF; }\r
 127                 }\r
 128                 public override bool HasAttributes \r
 129                 {\r
 130                         get { return  reader.HasAttributes; }\r
 131                 }\r
 132                 public override bool HasValue \r
 133                 {\r
 134                         get { return  reader.HasValue; }\r
 135                 }\r
 136                 public override bool IsDefault \r
 137                 {\r
 138                         get { return  reader.IsDefault; }\r
 139                 }\r
 140                 public override bool IsEmptyElement \r
 141                 {\r
 142                         get { return  reader.IsEmptyElement; }\r
 143                 }\r
 144                 public override string this[ int i ] \r
 145                 {\r
 146                         get { return  reader[i]; }\r
 147                 }\r
 148                 public override string this[ string name ] \r
 149                 {\r
 150                         get { return  reader[name]; }\r
 151                 }\r
 152                 public override string this[ string name, string namespaceURI ] \r
 153                 {\r
 154                         get { return  reader[name,namespaceURI]; }\r
 155                 }\r
 156                 public override string LocalName \r
 157                 {\r
 158                         get { return  reader.LocalName; }\r
 159                 }\r
 160                 public override string Name \r
 161                 {\r
 162                         get { return  reader.Name; }\r
 163                 }\r
 164                 public override string NamespaceURI \r
 165                 {\r
 166                         get { return  reader.NamespaceURI; }\r
 167                 }\r
 168                 public override XmlNameTable NameTable \r
 169                 {\r
 170                         get { return  reader.NameTable; }\r
 171                 }\r
 172                 public override XmlNodeType NodeType \r
 173                 {\r
 174                         get { return  reader.NodeType; }\r
 175                 }\r
 176                 public override string Prefix \r
 177                 {\r
 178                         get { return  reader.Prefix; }\r
 179                 }\r
 180                 public override char QuoteChar \r
 181                 {\r
 182                         get { return  reader.QuoteChar; }\r
 183                 }\r
 184                 public override ReadState ReadState \r
 185                 {\r
 186                         get { return  reader.ReadState; }\r
 187                 }\r
 188                 public override string Value \r
 189                 {\r
 190                         get { return  reader.Value; }\r
 191                 }\r
 192                 public override string XmlLang \r
 193                 {\r
 194                         get { return  reader.XmlLang; }\r
 195                 }\r
 196                 public override XmlSpace XmlSpace \r
 197                 {\r
 198                         get { return  reader.XmlSpace; }\r
 199                 }\r
 200 \r
 201                 public override void Close()\r
 202                 {\r
 203                         reader.Close(); \r
 204                 }\r
 205 \r
 206                 public override bool Equals(object obj)\r
 207                 {\r
 208                         return reader.Equals(obj); \r
 209                 }\r
 210 \r
 211                 public override string GetAttribute(int i)\r
 212                 {\r
 213                         return reader.GetAttribute(i); \r
 214                 }\r
 215 \r
 216                 public override string GetAttribute(string name)\r
 217                 {\r
 218                         return reader.GetAttribute(name); \r
 219                 }\r
 220 \r
 221                 public override string GetAttribute(string name, string namespaceURI)\r
 222                 {\r
 223                         return reader.GetAttribute(name, namespaceURI); \r
 224                 }\r
 225 \r
 226                 public override int GetHashCode()\r
 227                 {\r
 228                         return reader.GetHashCode(); \r
 229                 }\r
 230 \r
 231                 public override bool IsStartElement()\r
 232                 {\r
 233                         return reader.IsStartElement(); \r
 234                 }\r
 235 \r
 236                 public override bool IsStartElement(string localname, string ns)\r
 237                 {\r
 238                         return reader.IsStartElement(localname, ns); \r
 239                 }\r
 240 \r
 241                 public override bool IsStartElement(string name)\r
 242                 {\r
 243                         return reader.IsStartElement(name); \r
 244                 }\r
 245 \r
 246                 public override string LookupNamespace(string prefix)\r
 247                 {\r
 248                         return reader.LookupNamespace(prefix); \r
 249                 }\r
 250 \r
 251                 public override void MoveToAttribute(int i)\r
 252                 {\r
 253                         reader.MoveToAttribute(i); \r
 254                 }\r
 255 \r
 256                 public override bool MoveToAttribute(string name)\r
 257                 {\r
 258                         return reader.MoveToAttribute(name); \r
 259                 }\r
 260 \r
 261                 public override bool MoveToAttribute(string name, string ns)\r
 262                 {\r
 263                         return reader.MoveToAttribute(name,ns); \r
 264                 }\r
 265 \r
 266                 public override System.Xml.XmlNodeType MoveToContent()\r
 267                 {\r
 268                         return reader.MoveToContent(); \r
 269                 }\r
 270 \r
 271                 public override bool MoveToElement()\r
 272                 {\r
 273                         return reader.MoveToElement(); \r
 274                 }\r
 275 \r
 276                 public override bool MoveToFirstAttribute()\r
 277                 {\r
 278                         return reader.MoveToFirstAttribute(); \r
 279                 }\r
 280 \r
 281                 public override bool MoveToNextAttribute()\r
 282                 {\r
 283                         return reader.MoveToNextAttribute(); \r
 284                 }\r
 285 \r
 286                 public override bool Read()\r
 287                 {\r
 288                         return reader.Read(); \r
 289                 }\r
 290 \r
 291                 public override bool ReadAttributeValue()\r
 292                 {\r
 293                         return reader.ReadAttributeValue(); \r
 294                 }\r
 295 \r
 296                 public override string ReadElementString()\r
 297                 {\r
 298                         return reader.ReadElementString(); \r
 299                 }\r
 300 \r
 301                 public override string ReadElementString(string localname, string ns)\r
 302                 {\r
 303                         return reader.ReadElementString(localname, ns); \r
 304                 }\r
 305 \r
 306                 public override string ReadElementString(string name)\r
 307                 {\r
 308                         return reader.ReadElementString(name); \r
 309                 }\r
 310 \r
 311                 public override void ReadEndElement()\r
 312                 {\r
 313                         reader.ReadEndElement(); \r
 314                 }\r
 315 \r
 316                 public override string ReadInnerXml()\r
 317                 {\r
 318                         return reader.ReadInnerXml(); \r
 319                 }\r
 320 \r
 321                 public override string ReadOuterXml()\r
 322                 {\r
 323                         return reader.ReadOuterXml(); \r
 324                 }\r
 325 \r
 326                 public override void ReadStartElement()\r
 327                 {\r
 328                         reader.ReadStartElement(); \r
 329                 }\r
 330 \r
 331                 public override void ReadStartElement(string localname, string ns)\r
 332                 {\r
 333                         reader.ReadStartElement(localname, ns); \r
 334                 }\r
 335 \r
 336                 public override void ReadStartElement(string name)\r
 337                 {\r
 338                         reader.ReadStartElement(name); \r
 339                 }\r
 340 \r
 341                 public override string ReadString()\r
 342                 {\r
 343                         return reader.ReadString(); \r
 344                 }\r
 345 \r
 346                 public override void ResolveEntity()\r
 347                 {\r
 348                         reader.ResolveEntity(); \r
 349                 }\r
 350 \r
 351                 public override void Skip()\r
 352                 {\r
 353                         reader.Skip(); \r
 354                 }\r
 355 \r
 356                 public override string ToString()\r
 357                 {\r
 358                         return reader.ToString(); \r
 359                 }\r
 360 \r
 361                 #endregion\r
 362         }\r
 363 }\r