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

   1 //\r
   2 // System.Xml.Schema.XmlSchemaSimpleType.cs\r
   3 //\r
   4 // Author:\r
   5 //      Dwivedi, Ajay kumar  Adwiv@Yahoo.com\r
   6 //      Atsushi Enomoto  ginga@kit.hi-ho.ne.jp\r
   7 //\r
   8
   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 using System;\r
  30 using System.Xml.Serialization;\r
  31 using System.Xml;\r
  32 using Mono.Xml.Schema;\r
  33 \r
  34 namespace System.Xml.Schema\r
  35 {\r
  36         /// <summary>\r
  37         /// Summary description for XmlSchemaSimpleType.\r
  38         /// </summary>\r
  39         public class XmlSchemaSimpleType : XmlSchemaType\r
  40         {\r
  41                 const string xmlname = "simpleType";\r
  42                 private static XmlSchemaSimpleType schemaLocationType;\r
  43 \r
  44                 private XmlSchemaSimpleTypeContent content;\r
  45                 //compilation vars\r
  46                 internal bool islocal = true; // Assuming local means we have to specify islocal=false only in XmlSchema\r
  47                 private bool recursed;\r
  48                 private XmlSchemaDerivationMethod variety;\r
  49 \r
  50 #if NET_2_0\r
  51                 // predefined simple types\r
  52                 internal static readonly XmlSchemaSimpleType XsAnySimpleType;\r
  53                 internal static readonly XmlSchemaSimpleType XsString;\r
  54                 internal static readonly XmlSchemaSimpleType XsBoolean;\r
  55                 internal static readonly XmlSchemaSimpleType XsDecimal;\r
  56                 internal static readonly XmlSchemaSimpleType XsFloat;\r
  57                 internal static readonly XmlSchemaSimpleType XsDouble;\r
  58                 internal static readonly XmlSchemaSimpleType XsDuration;\r
  59                 internal static readonly XmlSchemaSimpleType XsDateTime;\r
  60                 internal static readonly XmlSchemaSimpleType XsTime;\r
  61                 internal static readonly XmlSchemaSimpleType XsDate;\r
  62                 internal static readonly XmlSchemaSimpleType XsGYearMonth;\r
  63                 internal static readonly XmlSchemaSimpleType XsGYear;\r
  64                 internal static readonly XmlSchemaSimpleType XsGMonthDay;\r
  65                 internal static readonly XmlSchemaSimpleType XsGDay;\r
  66                 internal static readonly XmlSchemaSimpleType XsGMonth;\r
  67                 internal static readonly XmlSchemaSimpleType XsHexBinary;\r
  68                 internal static readonly XmlSchemaSimpleType XsBase64Binary;\r
  69                 internal static readonly XmlSchemaSimpleType XsAnyUri;\r
  70                 internal static readonly XmlSchemaSimpleType XsQName;\r
  71                 internal static readonly XmlSchemaSimpleType XsNotation;\r
  72                 internal static readonly XmlSchemaSimpleType XsNormalizedString;\r
  73                 internal static readonly XmlSchemaSimpleType XsToken;\r
  74                 internal static readonly XmlSchemaSimpleType XsLanguage;\r
  75                 internal static readonly XmlSchemaSimpleType XsNMToken;\r
  76                 internal static readonly XmlSchemaSimpleType XsNMTokens;\r
  77                 internal static readonly XmlSchemaSimpleType XsName;\r
  78                 internal static readonly XmlSchemaSimpleType XsNCName;\r
  79                 internal static readonly XmlSchemaSimpleType XsID;\r
  80                 internal static readonly XmlSchemaSimpleType XsIDRef;\r
  81                 internal static readonly XmlSchemaSimpleType XsIDRefs;\r
  82                 internal static readonly XmlSchemaSimpleType XsEntity;\r
  83                 internal static readonly XmlSchemaSimpleType XsEntities;\r
  84                 internal static readonly XmlSchemaSimpleType XsInteger;\r
  85                 internal static readonly XmlSchemaSimpleType XsNonPositiveInteger;\r
  86                 internal static readonly XmlSchemaSimpleType XsNegativeInteger;\r
  87                 internal static readonly XmlSchemaSimpleType XsLong;\r
  88                 internal static readonly XmlSchemaSimpleType XsInt;\r
  89                 internal static readonly XmlSchemaSimpleType XsShort;\r
  90                 internal static readonly XmlSchemaSimpleType XsByte;\r
  91                 internal static readonly XmlSchemaSimpleType XsNonNegativeInteger;\r
  92                 internal static readonly XmlSchemaSimpleType XsUnsignedLong;\r
  93                 internal static readonly XmlSchemaSimpleType XsUnsignedInt;\r
  94                 internal static readonly XmlSchemaSimpleType XsUnsignedShort;\r
  95                 internal static readonly XmlSchemaSimpleType XsUnsignedByte;\r
  96                 internal static readonly XmlSchemaSimpleType XsPositiveInteger;\r
  97                 // xdt:*\r
  98                 internal static readonly XmlSchemaSimpleType XdtUntypedAtomic;\r
  99                 internal static readonly XmlSchemaSimpleType XdtAnyAtomicType;\r
 100                 internal static readonly XmlSchemaSimpleType XdtYearMonthDuration;\r
 101                 internal static readonly XmlSchemaSimpleType XdtDayTimeDuration;\r
 102 #endif\r
 103 \r
 104                 static XmlSchemaSimpleType ()\r
 105                 {\r
 106                         // This is not used in the meantime.\r
 107                         XmlSchemaSimpleType st = new XmlSchemaSimpleType ();\r
 108                         XmlSchemaSimpleTypeList list = new XmlSchemaSimpleTypeList ();\r
 109                         list.ItemTypeName = new XmlQualifiedName ("anyURI", XmlSchema.Namespace);\r
 110                         st.Content = list;\r
 111                         st.BaseXmlSchemaTypeInternal = null;\r
 112                         st.variety = XmlSchemaDerivationMethod.List;\r
 113                         schemaLocationType = st;\r
 114 \r
 115 #if NET_2_0\r
 116                         // Built-In schema types\r
 117                         XsAnySimpleType = BuildSchemaType ("anySimpleType", null);\r
 118                         XsString = BuildSchemaType ("string", "anySimpleType");\r
 119                         XsBoolean = BuildSchemaType ("boolean", "anySimpleType");\r
 120                         XsDecimal = BuildSchemaType ("decimal", "anySimpleType");\r
 121                         XsFloat = BuildSchemaType ("float", "anySimpleType");\r
 122                         XsDouble = BuildSchemaType ("double", "anySimpleType");\r
 123                         XsDuration = BuildSchemaType ("duration", "anySimpleType");\r
 124                         XsDateTime = BuildSchemaType ("dateTime", "anySimpleType");\r
 125                         XsTime = BuildSchemaType ("time", "anySimpleType");\r
 126                         XsDate = BuildSchemaType ("date", "anySimpleType");\r
 127                         XsGYearMonth = BuildSchemaType ("gYearMonth", "anySimpleType");\r
 128                         XsGYear = BuildSchemaType ("gYear", "anySimpleType");\r
 129                         XsGMonthDay = BuildSchemaType ("gMonthDay", "anySimpleType");\r
 130                         XsGDay = BuildSchemaType ("gDay", "anySimpleType");\r
 131                         XsGMonth = BuildSchemaType ("gMonth", "anySimpleType");\r
 132                         XsHexBinary = BuildSchemaType ("hexBinary", "anySimpleType");\r
 133                         XsBase64Binary = BuildSchemaType ("base64Binary", "anySimpleType");\r
 134                         XsAnyUri = BuildSchemaType ("anyURI", "anySimpleType");\r
 135                         XsQName = BuildSchemaType ("QName", "anySimpleType");\r
 136                         XsNotation = BuildSchemaType ("NOTATION", "anySimpleType");\r
 137                         // derived types\r
 138                         XsNormalizedString = BuildSchemaType ("normalizedString", "string");\r
 139                         XsToken = BuildSchemaType ("token", "normalizedString");\r
 140                         XsLanguage = BuildSchemaType ("language", "token");\r
 141                         XsNMToken = BuildSchemaType ("NMTOKEN", "token");\r
 142                         XsName = BuildSchemaType ("Name", "token");\r
 143                         XsNCName = BuildSchemaType ("NCName", "Name");\r
 144 \r
 145                         XsID = BuildSchemaType ("ID", "NCName");\r
 146                         XsIDRef = BuildSchemaType ("IDREF", "NCName");\r
 147                         XsEntity = BuildSchemaType ("ENTITY", "NCName");\r
 148 \r
 149                         XsInteger = BuildSchemaType ("integer", "decimal");\r
 150                         XsNonPositiveInteger = BuildSchemaType ("nonPositiveInteger", "integer");\r
 151                         XsNegativeInteger = BuildSchemaType ("negativeInteger", "nonPositiveInteger");\r
 152                         XsLong = BuildSchemaType ("long", "integer");\r
 153                         XsInt = BuildSchemaType ("int", "long");\r
 154                         XsShort = BuildSchemaType ("short", "int");\r
 155                         XsByte = BuildSchemaType ("byte", "short");\r
 156                         XsNonNegativeInteger = BuildSchemaType ("nonNegativeInteger", "integer");\r
 157                         XsUnsignedLong = BuildSchemaType ("unsignedLong", "nonNegativeInteger");\r
 158                         XsUnsignedInt = BuildSchemaType ("unsignedInt", "unsignedLong");\r
 159                         XsUnsignedShort = BuildSchemaType ("unsignedShort", "unsignedInt");\r
 160                         XsUnsignedByte = BuildSchemaType ("unsignedByte", "unsignedShort");\r
 161                         XsPositiveInteger = BuildSchemaType ("positiveInteger", "nonNegativeInteger");\r
 162 \r
 163                         // xdt:*\r
 164                         XdtAnyAtomicType = BuildSchemaType ("anyAtomicType", "anySimpleType", true, false);\r
 165                         XdtUntypedAtomic = BuildSchemaType ("untypedAtomic", "anyAtomicType", true, true);\r
 166                         XdtDayTimeDuration = BuildSchemaType ("dayTimeDuration", "duration", true, false);\r
 167                         XdtYearMonthDuration = BuildSchemaType ("yearMonthDuration", "duration", true, false);\r
 168 \r
 169                         // NMTOKENS, IDREFS, ENTITIES - lists\r
 170                         XsIDRefs = new XmlSchemaSimpleType ();\r
 171                         XmlSchemaSimpleTypeList sl = new XmlSchemaSimpleTypeList ();\r
 172                         sl.ItemType = XsIDRef;\r
 173                         XsIDRefs.Content = sl;\r
 174                         XsEntities = new XmlSchemaSimpleType ();\r
 175                         sl = new XmlSchemaSimpleTypeList ();\r
 176                         sl.ItemType = XsEntity;\r
 177                         XsEntities.Content = sl;\r
 178                         XsNMTokens = new XmlSchemaSimpleType ();\r
 179                         sl = new XmlSchemaSimpleTypeList ();\r
 180                         sl.ItemType = XsNMToken;\r
 181                         XsNMTokens.Content = sl;\r
 182 #endif\r
 183                 }\r
 184 \r
 185 #if NET_2_0\r
 186                 private static XmlSchemaSimpleType BuildSchemaType (string name, string baseName)\r
 187                 {\r
 188                         return BuildSchemaType (name, baseName, false, false);\r
 189                 }\r
 190 \r
 191                 private static XmlSchemaSimpleType BuildSchemaType (string name, string baseName, bool xdt, bool baseXdt)\r
 192                 {\r
 193                         string ns = xdt ? "http://www.w3.org/2003/11/xpath-datatypes" : XmlSchema.Namespace;\r
 194                         string ns2 = baseXdt ? "http://www.w3.org/2003/11/xpath-datatypes" : XmlSchema.Namespace;\r
 195                         XmlSchemaSimpleType st = new XmlSchemaSimpleType ();\r
 196                         st.QNameInternal = new XmlQualifiedName (name, ns);\r
 197                         if (baseName != null)\r
 198                                 st.BaseXmlSchemaTypeInternal = XmlSchemaType. GetBuiltInSimpleType (new XmlQualifiedName (baseName, ns2));\r
 199                         st.DatatypeInternal = XmlSchemaDatatype.FromName (st.QualifiedName);\r
 200                         return st;\r
 201                 }\r
 202 #endif\r
 203 \r
 204                 internal static XsdAnySimpleType AnySimpleType {\r
 205                         get { return XsdAnySimpleType.Instance; }\r
 206                 }\r
 207 \r
 208                 internal static XmlSchemaSimpleType SchemaLocationType {\r
 209                         get { return schemaLocationType; }\r
 210                 }\r
 211 \r
 212                 public XmlSchemaSimpleType ()\r
 213                 {\r
 214                 }\r
 215 \r
 216                 [XmlElement("restriction",typeof(XmlSchemaSimpleTypeRestriction))]\r
 217                 [XmlElement("list",typeof(XmlSchemaSimpleTypeList))]\r
 218                 [XmlElement("union",typeof(XmlSchemaSimpleTypeUnion))]\r
 219                 public XmlSchemaSimpleTypeContent Content\r
 220                 {\r
 221                         get{ return  content; } \r
 222                         set{ content = value; }\r
 223                 }\r
 224 \r
 225                 internal XmlSchemaDerivationMethod Variety\r
 226                 {\r
 227                         get{ return variety; }\r
 228                 }\r
 229 \r
 230                 /// <remarks>\r
 231                 /// For a simple Type:\r
 232                 ///             1. Content must be present\r
 233                 ///             2. id if present, must have be a valid ID\r
 234                 ///             a) If the simpletype is local\r
 235                 ///                     1-      are from <xs:complexType name="simpleType"> and <xs:complexType name="localSimpleType">\r
 236                 ///                     1. name  is prohibited\r
 237                 ///                     2. final is prohibited\r
 238                 ///             b) If the simpletype is toplevel\r
 239                 ///                     1-  are from <xs:complexType name="simpleType"> and <xs:complexType name="topLevelSimpleType">\r
 240                 ///                     1. name is required, type must be NCName\r
 241                 ///                     2. Content is required\r
 242                 ///                     3. final can have values : #all | (list | union | restriction)\r
 243                 ///                     4. If final is set, finalResolved is same as final (but within the values of b.3)\r
 244                 ///                     5. If final is not set, the finalDefault of the schema (ie. only #all and restriction)\r
 245                 ///                     6. Base type is:\r
 246                 ///                             4.1 If restriction is chosen,the base type of restriction or elements\r
 247                 ///                             4.2 otherwise simple ur-type\r
 248                 /// </remarks>\r
 249                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)\r
 250                 {\r
 251                         // If this is already compiled this time, simply skip.\r
 252                         if (this.IsComplied (schema.CompilationId))\r
 253                                 return 0;\r
 254 #if NET_2_0\r
 255                         if (Content != null)\r
 256                                 Content.Parent = this;\r
 257 #endif\r
 258 \r
 259                         errorCount = 0;\r
 260 \r
 261                         if(this.islocal) // a\r
 262                         {\r
 263                                 if(this.Name != null) // a.1\r
 264                                         error(h,"Name is prohibited in a local simpletype");\r
 265                                 else\r
 266                                         this.QNameInternal = new XmlQualifiedName(this.Name,schema.TargetNamespace);\r
 267                                 if(this.Final != XmlSchemaDerivationMethod.None) //a.2\r
 268                                         error(h,"Final is prohibited in a local simpletype");\r
 269                         }\r
 270                         else //b\r
 271                         {\r
 272                                 if(this.Name == null) //b.1\r
 273                                         error(h,"Name is required in top level simpletype");\r
 274                                 else if(!XmlSchemaUtil.CheckNCName(this.Name)) // b.1.2\r
 275                                         error(h,"name attribute of a simpleType must be NCName");\r
 276                                 else\r
 277                                         this.QNameInternal = new XmlQualifiedName(this.Name,schema.TargetNamespace);\r
 278                                 \r
 279                                 //NOTE: Although the FinalResolved can be Empty, it is not a valid value for Final\r
 280                                 //DEVIATION: If an error occurs, the finaldefault is always consulted. This deviates\r
 281                                 //                       from the way MS implementation works.\r
 282                                 switch(this.Final) //b.3, b.4\r
 283                                 {\r
 284                                         case XmlSchemaDerivationMethod.All:\r
 285                                                 this.finalResolved = XmlSchemaDerivationMethod.All;\r
 286                                                 break;\r
 287                                         case XmlSchemaDerivationMethod.List:\r
 288                                         case XmlSchemaDerivationMethod.Union:\r
 289                                         case XmlSchemaDerivationMethod.Restriction:\r
 290                                                 this.finalResolved = Final;\r
 291                                                 break;\r
 292                                         default:\r
 293                                                 error(h,"The value of final attribute is not valid for simpleType");\r
 294                                                 goto case XmlSchemaDerivationMethod.None;\r
 295                                                 // use assignment from finaldefault on schema.\r
 296                                         case XmlSchemaDerivationMethod.None: // b.5\r
 297                                                 XmlSchemaDerivationMethod flags = \r
 298                                                         (XmlSchemaDerivationMethod.Restriction | XmlSchemaDerivationMethod.List |\r
 299                                                         XmlSchemaDerivationMethod.Extension | XmlSchemaDerivationMethod.Union );\r
 300                                                 switch (schema.FinalDefault) {\r
 301                                                 case XmlSchemaDerivationMethod.All:\r
 302                                                         finalResolved = XmlSchemaDerivationMethod.All;\r
 303                                                         break;\r
 304                                                 case XmlSchemaDerivationMethod.None:\r
 305                                                         finalResolved = XmlSchemaDerivationMethod.Empty;\r
 306                                                         break;\r
 307                                                 default:\r
 308                                                         finalResolved = schema.FinalDefault & flags;\r
 309                                                         break;\r
 310                                                 }\r
 311                                                 break;\r
 312                                 }\r
 313                         }\r
 314 \r
 315                         XmlSchemaUtil.CompileID(Id,this,schema.IDCollection,h);\r
 316 \r
 317                         if (Content != null)\r
 318                                 Content.OwnerType = this;\r
 319 \r
 320                         if(this.Content == null) //a.3,b.2\r
 321                                 error(h,"Content is required in a simpletype");\r
 322                         else if(Content is XmlSchemaSimpleTypeRestriction)\r
 323                         {\r
 324                                 this.resolvedDerivedBy = XmlSchemaDerivationMethod.Restriction;\r
 325                                 errorCount += ((XmlSchemaSimpleTypeRestriction)Content).Compile(h,schema);\r
 326                         }\r
 327                         else if(Content is XmlSchemaSimpleTypeList)\r
 328                         {\r
 329                                 this.resolvedDerivedBy = XmlSchemaDerivationMethod.List;\r
 330                                 errorCount += ((XmlSchemaSimpleTypeList)Content).Compile(h,schema);\r
 331                         }\r
 332                         else if(Content is XmlSchemaSimpleTypeUnion)\r
 333                         {\r
 334                                 this.resolvedDerivedBy = XmlSchemaDerivationMethod.Union;\r
 335                                 errorCount += ((XmlSchemaSimpleTypeUnion)Content).Compile(h,schema);\r
 336                         }\r
 337 \r
 338                         this.CompilationId = schema.CompilationId;\r
 339                         return errorCount;\r
 340                 }\r
 341 \r
 342                 internal void CollectBaseType (ValidationEventHandler h, XmlSchema schema)\r
 343                 {\r
 344                         if (Content is XmlSchemaSimpleTypeRestriction) {\r
 345                                 object o = ((XmlSchemaSimpleTypeRestriction) Content).GetActualType (h, schema, false);\r
 346                                 BaseXmlSchemaTypeInternal = o as XmlSchemaSimpleType;\r
 347                                 if (BaseXmlSchemaTypeInternal != null)\r
 348                                         DatatypeInternal = BaseXmlSchemaTypeInternal.Datatype;\r
 349                                 else\r
 350                                         DatatypeInternal = o as XmlSchemaDatatype;\r
 351                         }\r
 352                         // otherwise, actualBaseSchemaType is null\r
 353                         else\r
 354                                 DatatypeInternal = XmlSchemaSimpleType.AnySimpleType;\r
 355                 }\r
 356                 \r
 357                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)\r
 358                 {\r
 359                         // 3.14.6 Properties Correct.\r
 360                         // \r
 361                         // 1. Post Compilation Properties\r
 362                         // {name}, {target namespace} => QNameInternal. Already Compile()d.\r
 363                         // {base type definition} => baseSchemaTypeInternal\r
 364                         // {final} => finalResolved. Already Compile()d.\r
 365                         // {variety} => resolvedDerivedBy. Already Compile()d.\r
 366                         //\r
 367                         // 2. Should be checked by "recursed" field.\r
 368 \r
 369                         if(IsValidated (schema.ValidationId))\r
 370                                 return errorCount;\r
 371 \r
 372                         if (recursed) {\r
 373                                 error (h, "Circular type reference was found.");\r
 374                                 return errorCount;\r
 375                         }\r
 376                         recursed = true;\r
 377 \r
 378                         CollectBaseType (h, schema);\r
 379 \r
 380                         if (content != null)\r
 381                                 errorCount += content.Validate (h, schema);\r
 382 \r
 383 /*\r
 384                         // BaseSchemaType property\r
 385                         BaseXmlSchemaTypeInternal = content.ActualBaseSchemaType as XmlSchemaType;\r
 386                         if (this.BaseXmlSchemaTypeInternal == null)\r
 387                                 this.DatatypeInternal = content.ActualBaseSchemaType as XmlSchemaDatatype;\r
 388 */\r
 389 \r
 390                         // Datatype property\r
 391                         XmlSchemaSimpleType simple = BaseXmlSchemaType as XmlSchemaSimpleType;\r
 392                         if (simple != null)\r
 393                                 this.DatatypeInternal = simple.Datatype;\r
 394 //                      else\r
 395 //                              DatatypeInternal = BaseSchemaType as XmlSchemaDatatype;\r
 396 \r
 397                         // 3.\r
 398                         XmlSchemaSimpleType baseSType = BaseXmlSchemaType as XmlSchemaSimpleType;\r
 399                         if (baseSType != null) {\r
 400                                 if ((baseSType.FinalResolved & this.resolvedDerivedBy) != 0)\r
 401                                         error (h, "Specified derivation is prohibited by the base simple type.");\r
 402                         }\r
 403 \r
 404                         // {variety}\r
 405                         if (this.resolvedDerivedBy == XmlSchemaDerivationMethod.Restriction &&\r
 406                                 baseSType != null)\r
 407                                 this.variety = baseSType.Variety;\r
 408                         else\r
 409                                 this.variety = this.resolvedDerivedBy;\r
 410 \r
 411                         // 3.14.6 Derivation Valid (Restriction, Simple)\r
 412                         XmlSchemaSimpleTypeRestriction r = Content as XmlSchemaSimpleTypeRestriction;\r
 413                         object baseType = BaseXmlSchemaType != null ? (object) BaseXmlSchemaType : Datatype;\r
 414                         if (r != null)\r
 415                                 ValidateDerivationValid (baseType, r.Facets, h, schema);\r
 416 \r
 417                         // TODO: describe which validation term this belongs to.\r
 418                         XmlSchemaSimpleTypeList l = Content as XmlSchemaSimpleTypeList;\r
 419                         if (l != null) {\r
 420                                 XmlSchemaSimpleType itemSimpleType = l.ValidatedListItemType as XmlSchemaSimpleType;\r
 421                                 if (itemSimpleType != null && itemSimpleType.Content is XmlSchemaSimpleTypeList)\r
 422                                         error (h, "List type must not be derived from another list type.");\r
 423                         }\r
 424 \r
 425                         recursed = false;\r
 426                         ValidationId = schema.ValidationId;\r
 427                         return errorCount;\r
 428                 }\r
 429 \r
 430                 // 3.14.6 Derivation Valid (RestrictionSimple)
 431                 internal void ValidateDerivationValid (object baseType, XmlSchemaObjectCollection facets,
 432                         ValidationEventHandler h, XmlSchema schema)
 433                 {
 434                         // TODO
 435                         XmlSchemaSimpleType baseSimpleType = baseType as XmlSchemaSimpleType;
 436                         switch (this.Variety) {
 437                         // 1. atomic type
 438                         case XmlSchemaDerivationMethod.Restriction:
 439                                 // 1.1
 440                                 if (baseSimpleType != null && baseSimpleType.resolvedDerivedBy != XmlSchemaDerivationMethod.Restriction)
 441                                         error (h, "Base schema type is not either atomic type or primitive type.");
 442                                 // 1.2
 443                                 if (baseSimpleType != null &&
 444                                         (baseSimpleType.FinalResolved & XmlSchemaDerivationMethod.Restriction) != 0)
 445                                         error (h, "Derivation by restriction is prohibited by the base simple type.");
 446                                 // TODO: 1.3 facet restriction valid.
 447                                 break;
 448                         case XmlSchemaDerivationMethod.List:
 449                                 /*\r
 450                                 XmlSchemaSimpleTypeList thisList = Content as XmlSchemaSimpleTypeList;
 451                                 // 2.1 item list type not allowed
 452                                 if (baseSimpleType != null && baseSimpleType.resolvedDerivedBy == XmlSchemaDerivationMethod.List)
 453                                         error (h, "Base list schema type is not allowed.");
 454                                 XmlSchemaSimpleTypeUnion baseUnion = baseSimpleType.Content as XmlSchemaSimpleTypeUnion;
 455                                 if (baseUnion != null) {
 456                                         bool errorFound = false;
 457                                         foreach (object memberType in baseUnion.ValidatedTypes) {
 458                                                 XmlSchemaSimpleType memberST = memberType as XmlSchemaSimpleType;
 459                                                 if (memberST != null && memberST.resolvedDerivedBy == XmlSchemaDerivationMethod.List)
 460                                                         errorFound = true;
 461                                         }
 462                                         if (errorFound)
 463                                                 error (h, "Base union schema type should not contain list types.");
 464                                 }
 465                                 */
 466                                 // 2.2 facets limited
 467                                 if (facets != null)
 468                                         foreach (XmlSchemaFacet facet in facets) {
 469                                                 if (facet is XmlSchemaLengthFacet ||
 470                                                         facet is XmlSchemaMaxLengthFacet ||
 471                                                         facet is XmlSchemaMinLengthFacet ||
 472                                                         facet is XmlSchemaEnumerationFacet ||
 473                                                         facet is XmlSchemaPatternFacet)
 474                                                         continue;
 475                                                 else
 476                                                         error (h, "Not allowed facet was found on this simple type which derives list type.");
 477                                         }
 478                                 break;
 479                         case XmlSchemaDerivationMethod.Union:
 480                                 // 3.1
 481
 482                                 // 3.2
 483                                 if (facets != null)
 484                                         foreach (XmlSchemaFacet facet in facets) {
 485                                                 if (facet is XmlSchemaEnumerationFacet ||
 486                                                         facet is XmlSchemaPatternFacet)
 487                                                         continue;
 488                                                 else
 489                                                         error (h, "Not allowed facet was found on this simple type which derives list type.");
 490                                         }
 491                                 break;
 492                         }
 493                 }
 494
 495                 // 3.14.6 Type Derivation OK (Simple)
 496                 internal bool ValidateTypeDerivationOK (object baseType,
 497                         ValidationEventHandler h, XmlSchema schema, bool raiseError)
 498                 {
 499                         // 1
 500                         // Note that anyType should also be allowed as anySimpleType.
 501                         if (this == baseType || baseType == XmlSchemaSimpleType.AnySimpleType ||
 502                                 baseType == XmlSchemaComplexType.AnyType)
 503                                 return true;
 504
 505                         // 2.1
 506                         XmlSchemaSimpleType baseSimpleType = baseType as XmlSchemaSimpleType;
 507                         if (baseSimpleType != null &&
 508                                 (baseSimpleType.FinalResolved & resolvedDerivedBy) != 0) {
 509                                 if (raiseError)
 510                                         error (h, "Specified derivation is prohibited by the base type.");
 511                                 return false;
 512                         }
 513
 514                         // 2.2.1
 515                         if (BaseXmlSchemaType == baseType || Datatype == baseType)
 516                                 return true;
 517
 518                         // 2.2.2
 519                         XmlSchemaSimpleType thisBaseSimpleType = BaseXmlSchemaType as XmlSchemaSimpleType;
 520                         if (thisBaseSimpleType != null) {
 521                                 if (thisBaseSimpleType.ValidateTypeDerivationOK (baseType, h, schema, false))
 522                                         return true;
 523                         }
 524
 525                         // 2.2.3
 526                         switch (Variety) {
 527                         case XmlSchemaDerivationMethod.Union:
 528                         case XmlSchemaDerivationMethod.List:
 529                                 if (baseType == XmlSchemaSimpleType.AnySimpleType)
 530                                         return true;
 531                                 break;
 532                         }
 533
 534                         // 2.2.4 validly derived from one of the union member type.
 535                         if (baseSimpleType != null && baseSimpleType.Variety == XmlSchemaDerivationMethod.Union) {
 536                                 foreach (object memberType in ((XmlSchemaSimpleTypeUnion) baseSimpleType.Content).ValidatedTypes)
 537                                         if (this.ValidateTypeDerivationOK (memberType, h, schema, false))
 538                                                 return true;
 539                         }
 540
 541                         if (raiseError)
 542                                 error(h, "Invalid simple type derivation was found.");
 543                         return false;
 544                 }
 545
 546                 internal string Normalize (string s, XmlNameTable nt, XmlNamespaceManager nsmgr)
 547                 {
 548                         return Content.Normalize (s, nt, nsmgr);
 549                 }
 550
 551                 //<simpleType \r
 552                 //  final = (#all | (list | union | restriction)) \r
 553                 //  id = ID \r
 554                 //  name = NCName \r
 555                 //  {any attributes with non-schema namespace . . .}>\r
 556                 //  Content: (annotation?, (restriction | list | union))\r
 557                 //</simpleType>\r
 558                 internal static XmlSchemaSimpleType Read(XmlSchemaReader reader, ValidationEventHandler h)\r
 559                 {\r
 560                         XmlSchemaSimpleType stype = new XmlSchemaSimpleType();\r
 561                         reader.MoveToElement();\r
 562 \r
 563                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
 564                         {\r
 565                                 error(h,"Should not happen :1: XmlSchemaGroup.Read, name="+reader.Name,null);\r
 566                                 reader.Skip();\r
 567                                 return null;\r
 568                         }\r
 569 \r
 570                         stype.LineNumber = reader.LineNumber;\r
 571                         stype.LinePosition = reader.LinePosition;\r
 572                         stype.SourceUri = reader.BaseURI;\r
 573 \r
 574                         while(reader.MoveToNextAttribute())\r
 575                         {\r
 576                                 if(reader.Name == "final")\r
 577                                 {\r
 578                                         Exception innerex;\r
 579                                         stype.Final = XmlSchemaUtil.ReadDerivationAttribute(reader, out innerex, "final",\r
 580                                                 XmlSchemaUtil.FinalAllowed);\r
 581                                         if(innerex != null)\r
 582                                                 error(h, "some invalid values not a valid value for final", innerex);\r
 583                                 }\r
 584                                 else if(reader.Name == "id")\r
 585                                 {\r
 586                                         stype.Id = reader.Value;\r
 587                                 }\r
 588                                 else if(reader.Name == "name")\r
 589                                 {\r
 590                                         stype.Name = reader.Value;\r
 591                                 }\r
 592                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
 593                                 {\r
 594                                         error(h,reader.Name + " is not a valid attribute for simpleType",null);\r
 595                                 }\r
 596                                 else\r
 597                                 {\r
 598                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,stype);\r
 599                                 }\r
 600                         }\r
 601                         \r
 602                         reader.MoveToElement();\r
 603                         if(reader.IsEmptyElement)\r
 604                                 return stype;\r
 605 \r
 606                         //      Content: (annotation?, (restriction | list | union))\r
 607                         int level = 1;\r
 608                         while(reader.ReadNextElement())\r
 609                         {\r
 610                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 611                                 {\r
 612                                         if(reader.LocalName != xmlname)\r
 613                                                 error(h,"Should not happen :2: XmlSchemaSimpleType.Read, name="+reader.Name,null);\r
 614                                         break;\r
 615                                 }\r
 616                                 if(level <= 1 && reader.LocalName == "annotation")\r
 617                                 {\r
 618                                         level = 2; //Only one annotation\r
 619                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 620                                         if(annotation != null)\r
 621                                                 stype.Annotation = annotation;\r
 622                                         continue;\r
 623                                 }\r
 624                                 if(level <= 2)\r
 625                                 {\r
 626                                         if(reader.LocalName == "restriction")\r
 627                                         {\r
 628                                                 level = 3;\r
 629                                                 XmlSchemaSimpleTypeRestriction restriction = XmlSchemaSimpleTypeRestriction.Read(reader,h);\r
 630                                                 if(restriction != null)\r
 631                                                         stype.content = restriction;\r
 632                                                 continue;\r
 633                                         }\r
 634                                         if(reader.LocalName == "list")\r
 635                                         {\r
 636                                                 level = 3;\r
 637                                                 XmlSchemaSimpleTypeList list = XmlSchemaSimpleTypeList.Read(reader,h);\r
 638                                                 if(list != null)\r
 639                                                         stype.content = list;\r
 640                                                 continue;\r
 641                                         }\r
 642                                         if(reader.LocalName == "union")\r
 643                                         {\r
 644                                                 level = 3;\r
 645                                                 XmlSchemaSimpleTypeUnion union = XmlSchemaSimpleTypeUnion.Read(reader,h);\r
 646                                                 if(union != null)\r
 647                                                         stype.content = union;\r
 648                                                 continue;\r
 649                                         }\r
 650                                 }\r
 651                                 reader.RaiseInvalidElementError();\r
 652                         }\r
 653                         return stype;\r
 654                 }\r
 655 \r
 656 \r
 657         }\r
 658 }\r