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

   1 // Author: Dwivedi, Ajay kumar\r
   2 //            Adwiv@Yahoo.com\r
   3
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining
   6 // a copy of this software and associated documentation files (the
   7 // "Software"), to deal in the Software without restriction, including
   8 // without limitation the rights to use, copy, modify, merge, publish,
   9 // distribute, sublicense, and/or sell copies of the Software, and to
  10 // permit persons to whom the Software is furnished to do so, subject to
  11 // the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be
  14 // included in all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 //
  24 using System;\r
  25 using System.Xml;\r
  26 using System.Xml.Serialization;\r
  27 \r
  28 namespace System.Xml.Schema\r
  29 {\r
  30         /// <summary>\r
  31         /// Summary description for XmlSchemaSimpleContentRestriction.\r
  32         /// </summary>\r
  33         public class XmlSchemaSimpleContentRestriction : XmlSchemaContent\r
  34         {\r
  35                 \r
  36                 private XmlSchemaAnyAttribute any;\r
  37                 private XmlSchemaObjectCollection attributes;\r
  38                 private XmlSchemaSimpleType baseType;\r
  39                 private XmlQualifiedName baseTypeName;\r
  40                 private XmlSchemaObjectCollection facets;\r
  41                 const string xmlname = "restriction";\r
  42 \r
  43                 public XmlSchemaSimpleContentRestriction()\r
  44                 {\r
  45                         baseTypeName = XmlQualifiedName.Empty;\r
  46                         attributes       = new XmlSchemaObjectCollection();\r
  47                         facets           = new XmlSchemaObjectCollection();\r
  48                 }\r
  49 \r
  50                 [System.Xml.Serialization.XmlAttribute("base")]\r
  51                 public XmlQualifiedName BaseTypeName \r
  52                 {\r
  53                         get{ return  baseTypeName; }\r
  54                         set{ baseTypeName = value; }\r
  55                 }\r
  56 \r
  57                 [XmlElement("simpleType", Type=typeof (XmlSchemaSimpleType))]\r
  58                 public XmlSchemaSimpleType BaseType \r
  59                 { \r
  60                         get{ return  baseType; } \r
  61                         set{ baseType = value; } \r
  62                 }\r
  63                 \r
  64                 [XmlElement("minExclusive",typeof(XmlSchemaMinExclusiveFacet))]\r
  65                 [XmlElement("minInclusive",typeof(XmlSchemaMinInclusiveFacet))] \r
  66                 [XmlElement("maxExclusive",typeof(XmlSchemaMaxExclusiveFacet))]\r
  67                 [XmlElement("maxInclusive",typeof(XmlSchemaMaxInclusiveFacet))]\r
  68                 [XmlElement("totalDigits",typeof(XmlSchemaTotalDigitsFacet))]\r
  69                 [XmlElement("fractionDigits",typeof(XmlSchemaFractionDigitsFacet))]\r
  70                 [XmlElement("length",typeof(XmlSchemaLengthFacet))]\r
  71                 [XmlElement("minLength",typeof(XmlSchemaMinLengthFacet))]\r
  72                 [XmlElement("maxLength",typeof(XmlSchemaMaxLengthFacet))]\r
  73                 [XmlElement("enumeration",typeof(XmlSchemaEnumerationFacet))]\r
  74                 [XmlElement("whiteSpace",typeof(XmlSchemaWhiteSpaceFacet))]\r
  75                 [XmlElement("pattern",typeof(XmlSchemaPatternFacet))]\r
  76                 public XmlSchemaObjectCollection Facets \r
  77                 { \r
  78                         get{ return facets; } \r
  79                 }\r
  80 \r
  81                 [XmlElement("attribute",typeof(XmlSchemaAttribute))]\r
  82                 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef))]\r
  83                 public XmlSchemaObjectCollection Attributes \r
  84                 {\r
  85                         get{ return attributes; }\r
  86                 }\r
  87 \r
  88                 [XmlElement("anyAttribute")]\r
  89                 public XmlSchemaAnyAttribute AnyAttribute \r
  90                 {\r
  91                         get{ return  any; }\r
  92                         set{ any = value; }\r
  93                 }\r
  94                 \r
  95                 // internal properties\r
  96                 internal override bool IsExtension {\r
  97                         get { return false; }\r
  98                 }\r
  99 \r
 100                 ///<remarks>\r
 101                 /// 1. Base must be present and a QName\r
 102                 ///</remarks>\r
 103                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)\r
 104                 {\r
 105                         // If this is already compiled this time, simply skip.\r
 106                         if (CompilationId == schema.CompilationId)\r
 107                                 return 0;\r
 108 #if NET_2_0\r
 109                         if (BaseType != null)\r
 110                                 BaseType.Parent = this;\r
 111                         if (AnyAttribute != null)\r
 112                                 AnyAttribute.Parent = this;\r
 113                         foreach (XmlSchemaObject obj in Attributes)\r
 114                                 obj.Parent = this;\r
 115 #endif\r
 116 \r
 117                         if (this.isRedefinedComponent) {\r
 118                                 if (Annotation != null)\r
 119                                         Annotation.isRedefinedComponent = true;\r
 120                                 if (AnyAttribute != null)\r
 121                                         AnyAttribute.isRedefinedComponent = true;\r
 122                                 foreach (XmlSchemaObject obj in Attributes)\r
 123                                         obj.isRedefinedComponent = true;\r
 124                         }\r
 125 \r
 126                         if(BaseTypeName == null || BaseTypeName.IsEmpty)\r
 127                         {\r
 128                                 error(h, "base must be present, as a QName");\r
 129                         }\r
 130                         else if(!XmlSchemaUtil.CheckQName(BaseTypeName))\r
 131                                 error(h,"BaseTypeName must be a QName");\r
 132 \r
 133                         if(BaseType != null)\r
 134                         {\r
 135                                 errorCount += BaseType.Compile(h,schema);\r
 136                         }\r
 137 \r
 138                         if(this.AnyAttribute != null)\r
 139                         {\r
 140                                 errorCount += AnyAttribute.Compile(h,schema);\r
 141                         }\r
 142 \r
 143                         foreach(XmlSchemaObject obj in Attributes)\r
 144                         {\r
 145                                 if(obj is XmlSchemaAttribute)\r
 146                                 {\r
 147                                         XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;\r
 148                                         errorCount += attr.Compile(h,schema);\r
 149                                 }\r
 150                                 else if(obj is XmlSchemaAttributeGroupRef)\r
 151                                 {\r
 152                                         XmlSchemaAttributeGroupRef atgrp = (XmlSchemaAttributeGroupRef) obj;\r
 153                                         errorCount += atgrp.Compile(h,schema);\r
 154                                 }\r
 155                                 else\r
 156                                         error(h,obj.GetType() +" is not valid in this place::SimpleContentRestriction");\r
 157                         }\r
 158                         \r
 159                         //TODO: Compile Facets: Looks like they are a part of datatypes. So we'll do them with the datatypes\r
 160 \r
 161                         \r
 162                         XmlSchemaUtil.CompileID(Id,this,schema.IDCollection,h);\r
 163                         this.CompilationId = schema.CompilationId;\r
 164                         return errorCount;\r
 165                 }\r
 166                 \r
 167                 internal override XmlQualifiedName GetBaseTypeName ()\r
 168                 {\r
 169                         return baseTypeName;\r
 170                 }\r
 171 \r
 172                 internal override XmlSchemaParticle GetParticle ()\r
 173                 {\r
 174                         return null;\r
 175                 }\r
 176 \r
 177                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)\r
 178                 {\r
 179                         if (IsValidated (schema.ValidationId))\r
 180                                 return errorCount;\r
 181 \r
 182                         if (baseType != null) {\r
 183                                 baseType.Validate (h, schema);\r
 184                                 actualBaseSchemaType = baseType;\r
 185                         }\r
 186                         else if (baseTypeName != XmlQualifiedName.Empty) {\r
 187                                 XmlSchemaType st = schema.SchemaTypes [baseTypeName] as XmlSchemaType;\r
 188                                 if (st != null) {\r
 189                                         st.Validate (h, schema);\r
 190                                         actualBaseSchemaType = st;\r
 191                                 } else if (baseTypeName == XmlSchemaComplexType.AnyTypeName) {\r
 192                                         actualBaseSchemaType = XmlSchemaComplexType.AnyType;
 193                                 } else if (XmlSchemaUtil.IsBuiltInDatatypeName (baseTypeName)) {\r
 194                                         actualBaseSchemaType = XmlSchemaDatatype.FromName (baseTypeName);\r
 195                                         if (actualBaseSchemaType == null)\r
 196                                                 error (h, "Invalid schema datatype name is specified.");\r
 197                                 }\r
 198                                 // otherwise, it might be missing sub components.\r
 199                                 else if (!schema.IsNamespaceAbsent (baseTypeName.Namespace))\r
 200                                         error (h, "Referenced base schema type " + baseTypeName + " was not found in the corresponding schema.");\r
 201                         }\r
 202 \r
 203                         ValidationId = schema.ValidationId;\r
 204                         return errorCount;\r
 205                 }\r
 206 \r
 207                 //<restriction \r
 208                 //base = QName \r
 209                 //id = ID \r
 210                 //{any attributes with non-schema namespace . . .}>\r
 211                 //Content: (annotation?, (simpleType?, (minExclusive | minInclusive | maxExclusive | maxInclusive | totalDigits | fractionDigits | length | minLength | maxLength | enumeration | whiteSpace | pattern)*)?, ((attribute | attributeGroup)*, anyAttribute?))\r
 212                 //</restriction>\r
 213                 internal static XmlSchemaSimpleContentRestriction Read(XmlSchemaReader reader, ValidationEventHandler h)\r
 214                 {\r
 215                         XmlSchemaSimpleContentRestriction restriction = new XmlSchemaSimpleContentRestriction();\r
 216                         reader.MoveToElement();\r
 217 \r
 218                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
 219                         {\r
 220                                 error(h,"Should not happen :1: XmlSchemaComplexContentRestriction.Read, name="+reader.Name,null);\r
 221                                 reader.SkipToEnd();\r
 222                                 return null;\r
 223                         }\r
 224 \r
 225                         restriction.LineNumber = reader.LineNumber;\r
 226                         restriction.LinePosition = reader.LinePosition;\r
 227                         restriction.SourceUri = reader.BaseURI;\r
 228 \r
 229                         while(reader.MoveToNextAttribute())\r
 230                         {\r
 231                                 if(reader.Name == "base")\r
 232                                 {\r
 233                                         Exception innerex;\r
 234                                         restriction.baseTypeName = XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);\r
 235                                         if(innerex != null)\r
 236                                                 error(h, reader.Value + " is not a valid value for base attribute",innerex);\r
 237                                 }\r
 238                                 else if(reader.Name == "id")\r
 239                                 {\r
 240                                         restriction.Id = reader.Value;\r
 241                                 }\r
 242                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
 243                                 {\r
 244                                         error(h,reader.Name + " is not a valid attribute for restriction",null);\r
 245                                 }\r
 246                                 else\r
 247                                 {\r
 248                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,restriction);\r
 249                                 }\r
 250                         }\r
 251                         \r
 252                         reader.MoveToElement();\r
 253                         if(reader.IsEmptyElement)\r
 254                                 return restriction;\r
 255                         \r
 256                         //Content:  1.annotation?, \r
 257                         //                  2.simpleType?, \r
 258                         //                      3.(minExclusive |...| enumeration | whiteSpace | pattern)*, \r
 259                         //                      4.(attribute | attributeGroup)*, \r
 260                         //                      5.anyAttribute?\r
 261                         int level = 1;\r
 262                         while(reader.ReadNextElement())\r
 263                         {\r
 264                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 265                                 {\r
 266                                         if(reader.LocalName != xmlname)\r
 267                                                 error(h,"Should not happen :2: XmlSchemaSimpleContentRestriction.Read, name="+reader.Name,null);\r
 268                                         break;\r
 269                                 }\r
 270                                 if(level <= 1 && reader.LocalName == "annotation")\r
 271                                 {\r
 272                                         level = 2; //Only one annotation\r
 273                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 274                                         if(annotation != null)\r
 275                                                 restriction.Annotation = annotation;\r
 276                                         continue;\r
 277                                 }\r
 278                                 if(level <=2 && reader.LocalName == "simpleType")\r
 279                                 {\r
 280                                         level = 3;\r
 281                                         XmlSchemaSimpleType stype = XmlSchemaSimpleType.Read(reader,h);\r
 282                                         if(stype != null)\r
 283                                                 restriction.baseType = stype;\r
 284                                         continue;\r
 285                                 }\r
 286                                 if(level <= 3)\r
 287                                 {\r
 288                                         if(reader.LocalName == "minExclusive")\r
 289                                         {\r
 290                                                 level = 3;\r
 291                                                 XmlSchemaMinExclusiveFacet minex = XmlSchemaMinExclusiveFacet.Read(reader,h);\r
 292                                                 if(minex != null)\r
 293                                                         restriction.facets.Add(minex);\r
 294                                                 continue;\r
 295                                         }\r
 296                                         else if(reader.LocalName == "minInclusive")\r
 297                                         {\r
 298                                                 level = 3;\r
 299                                                 XmlSchemaMinInclusiveFacet mini = XmlSchemaMinInclusiveFacet.Read(reader,h);\r
 300                                                 if(mini != null)\r
 301                                                         restriction.facets.Add(mini);\r
 302                                                 continue;\r
 303                                         }\r
 304                                         else if(reader.LocalName == "maxExclusive")\r
 305                                         {\r
 306                                                 level = 3;\r
 307                                                 XmlSchemaMaxExclusiveFacet maxex = XmlSchemaMaxExclusiveFacet.Read(reader,h);\r
 308                                                 if(maxex != null)\r
 309                                                         restriction.facets.Add(maxex);\r
 310                                                 continue;\r
 311                                         }\r
 312                                         else if(reader.LocalName == "maxInclusive")\r
 313                                         {\r
 314                                                 level = 3;\r
 315                                                 XmlSchemaMaxInclusiveFacet maxi = XmlSchemaMaxInclusiveFacet.Read(reader,h);\r
 316                                                 if(maxi != null)\r
 317                                                         restriction.facets.Add(maxi);\r
 318                                                 continue;\r
 319                                         }\r
 320                                         else if(reader.LocalName == "totalDigits")\r
 321                                         {\r
 322                                                 level = 3;\r
 323                                                 XmlSchemaTotalDigitsFacet total = XmlSchemaTotalDigitsFacet.Read(reader,h);\r
 324                                                 if(total != null)\r
 325                                                         restriction.facets.Add(total);\r
 326                                                 continue;\r
 327                                         }\r
 328                                         else if(reader.LocalName == "fractionDigits")\r
 329                                         {\r
 330                                                 level = 3;\r
 331                                                 XmlSchemaFractionDigitsFacet fraction = XmlSchemaFractionDigitsFacet.Read(reader,h);\r
 332                                                 if(fraction != null)\r
 333                                                         restriction.facets.Add(fraction);\r
 334                                                 continue;\r
 335                                         }\r
 336                                         else if(reader.LocalName == "length")\r
 337                                         {\r
 338                                                 level = 3;\r
 339                                                 XmlSchemaLengthFacet length = XmlSchemaLengthFacet.Read(reader,h);\r
 340                                                 if(length != null)\r
 341                                                         restriction.facets.Add(length);\r
 342                                                 continue;\r
 343                                         }\r
 344                                         else if(reader.LocalName == "minLength")\r
 345                                         {\r
 346                                                 level = 3;\r
 347                                                 XmlSchemaMinLengthFacet minlen = XmlSchemaMinLengthFacet.Read(reader,h);\r
 348                                                 if(minlen != null)\r
 349                                                         restriction.facets.Add(minlen);\r
 350                                                 continue;\r
 351                                         }\r
 352                                         else if(reader.LocalName == "maxLength")\r
 353                                         {\r
 354                                                 level = 3;\r
 355                                                 XmlSchemaMaxLengthFacet maxlen = XmlSchemaMaxLengthFacet.Read(reader,h);\r
 356                                                 if(maxlen != null)\r
 357                                                         restriction.facets.Add(maxlen);\r
 358                                                 continue;\r
 359                                         }\r
 360                                         else if(reader.LocalName == "enumeration")\r
 361                                         {\r
 362                                                 level = 3;\r
 363                                                 XmlSchemaEnumerationFacet enumeration = XmlSchemaEnumerationFacet.Read(reader,h);\r
 364                                                 if(enumeration != null)\r
 365                                                         restriction.facets.Add(enumeration);\r
 366                                                 continue;\r
 367                                         }\r
 368                                         else if(reader.LocalName == "whiteSpace")\r
 369                                         {\r
 370                                                 level = 3;\r
 371                                                 XmlSchemaWhiteSpaceFacet ws = XmlSchemaWhiteSpaceFacet.Read(reader,h);\r
 372                                                 if(ws != null)\r
 373                                                         restriction.facets.Add(ws);\r
 374                                                 continue;\r
 375                                         }\r
 376                                         else if(reader.LocalName == "pattern")\r
 377                                         {\r
 378                                                 level = 3;\r
 379                                                 XmlSchemaPatternFacet pattern = XmlSchemaPatternFacet.Read(reader,h);\r
 380                                                 if(pattern != null)\r
 381                                                         restriction.facets.Add(pattern);\r
 382                                                 continue;\r
 383                                         }\r
 384                                 }\r
 385                                 if(level <= 4)\r
 386                                 {\r
 387                                         if(reader.LocalName == "attribute")\r
 388                                         {\r
 389                                                 level = 4;\r
 390                                                 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);\r
 391                                                 if(attr != null)\r
 392                                                         restriction.Attributes.Add(attr);\r
 393                                                 continue;\r
 394                                         }\r
 395                                         if(reader.LocalName == "attributeGroup")\r
 396                                         {\r
 397                                                 level = 4;\r
 398                                                 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);\r
 399                                                 if(attr != null)\r
 400                                                         restriction.attributes.Add(attr);\r
 401                                                 continue;\r
 402                                         }\r
 403                                 }\r
 404                                 if(level <= 5 && reader.LocalName == "anyAttribute")\r
 405                                 {\r
 406                                         level = 6;\r
 407                                         XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);\r
 408                                         if(anyattr != null)\r
 409                                                 restriction.AnyAttribute = anyattr;\r
 410                                         continue;\r
 411                                 }\r
 412                                 reader.RaiseInvalidElementError();\r
 413                         }\r
 414                         return restriction;\r
 415                 }\r
 416 \r
 417         }\r
 418 }\r