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

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