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

   1 // Author: Dwivedi, Ajay kumar
   2 //            Adwiv@Yahoo.com
   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;
  25 using System.Xml;
  26 using System.Xml.Serialization;
  27
  28 namespace System.Xml.Schema
  29 {
  30         /// <summary>
  31         /// Summary description for XmlSchemaSimpleContentRestriction.
  32         /// </summary>
  33         public class XmlSchemaSimpleContentRestriction : XmlSchemaContent
  34         {
  35
  36                 private XmlSchemaAnyAttribute any;
  37                 private XmlSchemaObjectCollection attributes;
  38                 private XmlSchemaSimpleType baseType;
  39                 private XmlQualifiedName baseTypeName;
  40                 private XmlSchemaObjectCollection facets;
  41                 const string xmlname = "restriction";
  42
  43                 public XmlSchemaSimpleContentRestriction()
  44                 {
  45                         baseTypeName = XmlQualifiedName.Empty;
  46                         attributes       = new XmlSchemaObjectCollection();
  47                         facets           = new XmlSchemaObjectCollection();
  48                 }
  49
  50                 [System.Xml.Serialization.XmlAttribute("base")]
  51                 public XmlQualifiedName BaseTypeName
  52                 {
  53                         get{ return  baseTypeName; }
  54                         set{ baseTypeName = value; }
  55                 }
  56
  57                 [XmlElement("simpleType", Type=typeof (XmlSchemaSimpleType))]
  58                 public XmlSchemaSimpleType BaseType
  59                 {
  60                         get{ return  baseType; }
  61                         set{ baseType = value; }
  62                 }
  63
  64                 [XmlElement("minExclusive",typeof(XmlSchemaMinExclusiveFacet))]
  65                 [XmlElement("minInclusive",typeof(XmlSchemaMinInclusiveFacet))]
  66                 [XmlElement("maxExclusive",typeof(XmlSchemaMaxExclusiveFacet))]
  67                 [XmlElement("maxInclusive",typeof(XmlSchemaMaxInclusiveFacet))]
  68                 [XmlElement("totalDigits",typeof(XmlSchemaTotalDigitsFacet))]
  69                 [XmlElement("fractionDigits",typeof(XmlSchemaFractionDigitsFacet))]
  70                 [XmlElement("length",typeof(XmlSchemaLengthFacet))]
  71                 [XmlElement("minLength",typeof(XmlSchemaMinLengthFacet))]
  72                 [XmlElement("maxLength",typeof(XmlSchemaMaxLengthFacet))]
  73                 [XmlElement("enumeration",typeof(XmlSchemaEnumerationFacet))]
  74                 [XmlElement("whiteSpace",typeof(XmlSchemaWhiteSpaceFacet))]
  75                 [XmlElement("pattern",typeof(XmlSchemaPatternFacet))]
  76                 public XmlSchemaObjectCollection Facets
  77                 {
  78                         get{ return facets; }
  79                 }
  80
  81                 [XmlElement("attribute",typeof(XmlSchemaAttribute))]
  82                 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef))]
  83                 public XmlSchemaObjectCollection Attributes
  84                 {
  85                         get{ return attributes; }
  86                 }
  87
  88                 [XmlElement("anyAttribute")]
  89                 public XmlSchemaAnyAttribute AnyAttribute
  90                 {
  91                         get{ return  any; }
  92                         set{ any = value; }
  93                 }
  94
  95                 // internal properties
  96                 internal override bool IsExtension {
  97                         get { return false; }
  98                 }
  99
 100                 internal override void SetParent (XmlSchemaObject parent)
 101                 {
 102                         base.SetParent (parent);
 103                         if (BaseType != null)
 104                                 BaseType.SetParent (this);
 105                         if (AnyAttribute != null)
 106                                 AnyAttribute.SetParent (this);
 107                         foreach (XmlSchemaObject obj in Attributes)
 108                                 obj.SetParent (this);
 109                 }
 110
 111                 ///<remarks>
 112                 /// 1. Base must be present and a QName
 113                 ///</remarks>
 114                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)
 115                 {
 116                         // If this is already compiled this time, simply skip.
 117                         if (CompilationId == schema.CompilationId)
 118                                 return 0;
 119
 120                         if (this.isRedefinedComponent) {
 121                                 if (Annotation != null)
 122                                         Annotation.isRedefinedComponent = true;
 123                                 if (AnyAttribute != null)
 124                                         AnyAttribute.isRedefinedComponent = true;
 125                                 foreach (XmlSchemaObject obj in Attributes)
 126                                         obj.isRedefinedComponent = true;
 127                         }
 128
 129                         if(BaseTypeName == null || BaseTypeName.IsEmpty)
 130                         {
 131                                 error(h, "base must be present, as a QName");
 132                         }
 133                         else if(!XmlSchemaUtil.CheckQName(BaseTypeName))
 134                                 error(h,"BaseTypeName must be a QName");
 135
 136                         if(BaseType != null)
 137                         {
 138                                 errorCount += BaseType.Compile(h,schema);
 139                         }
 140
 141                         if(this.AnyAttribute != null)
 142                         {
 143                                 errorCount += AnyAttribute.Compile(h,schema);
 144                         }
 145
 146                         foreach(XmlSchemaObject obj in Attributes)
 147                         {
 148                                 if(obj is XmlSchemaAttribute)
 149                                 {
 150                                         XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;
 151                                         errorCount += attr.Compile(h,schema);
 152                                 }
 153                                 else if(obj is XmlSchemaAttributeGroupRef)
 154                                 {
 155                                         XmlSchemaAttributeGroupRef atgrp = (XmlSchemaAttributeGroupRef) obj;
 156                                         errorCount += atgrp.Compile(h,schema);
 157                                 }
 158                                 else
 159                                         error(h,obj.GetType() +" is not valid in this place::SimpleContentRestriction");
 160                         }
 161
 162                         //TODO: Compile Facets: Looks like they are a part of datatypes. So we'll do them with the datatypes
 163
 164
 165                         XmlSchemaUtil.CompileID(Id,this,schema.IDCollection,h);
 166                         this.CompilationId = schema.CompilationId;
 167                         return errorCount;
 168                 }
 169
 170                 internal override XmlQualifiedName GetBaseTypeName ()
 171                 {
 172                         return baseTypeName;
 173                 }
 174
 175                 internal override XmlSchemaParticle GetParticle ()
 176                 {
 177                         return null;
 178                 }
 179
 180                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)
 181                 {
 182                         if (IsValidated (schema.ValidationId))
 183                                 return errorCount;
 184
 185                         if (baseType != null) {
 186                                 baseType.Validate (h, schema);
 187                                 actualBaseSchemaType = baseType;
 188                         }
 189                         else if (baseTypeName != XmlQualifiedName.Empty) {
 190                                 XmlSchemaType st = schema.FindSchemaType (baseTypeName);
 191                                 if (st != null) {
 192                                         st.Validate (h, schema);
 193                                         actualBaseSchemaType = st;
 194                                 } else if (baseTypeName == XmlSchemaComplexType.AnyTypeName) {
 195                                         actualBaseSchemaType = XmlSchemaComplexType.AnyType;
 196                                 } else if (XmlSchemaUtil.IsBuiltInDatatypeName (baseTypeName)) {
 197                                         actualBaseSchemaType = XmlSchemaDatatype.FromName (baseTypeName);
 198                                         if (actualBaseSchemaType == null)
 199                                                 error (h, "Invalid schema datatype name is specified.");
 200                                 }
 201                                 // otherwise, it might be missing sub components.
 202                                 else if (!schema.IsNamespaceAbsent (baseTypeName.Namespace))
 203                                         error (h, "Referenced base schema type " + baseTypeName + " was not found in the corresponding schema.");
 204                         }
 205
 206                         ValidationId = schema.ValidationId;
 207                         return errorCount;
 208                 }
 209
 210                 //<restriction
 211                 //base = QName
 212                 //id = ID
 213                 //{any attributes with non-schema namespace . . .}>
 214                 //Content: (annotation?, (simpleType?, (minExclusive | minInclusive | maxExclusive | maxInclusive | totalDigits | fractionDigits | length | minLength | maxLength | enumeration | whiteSpace | pattern)*)?, ((attribute | attributeGroup)*, anyAttribute?))
 215                 //</restriction>
 216                 internal static XmlSchemaSimpleContentRestriction Read(XmlSchemaReader reader, ValidationEventHandler h)
 217                 {
 218                         XmlSchemaSimpleContentRestriction restriction = new XmlSchemaSimpleContentRestriction();
 219                         reader.MoveToElement();
 220
 221                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
 222                         {
 223                                 error(h,"Should not happen :1: XmlSchemaComplexContentRestriction.Read, name="+reader.Name,null);
 224                                 reader.SkipToEnd();
 225                                 return null;
 226                         }
 227
 228                         restriction.LineNumber = reader.LineNumber;
 229                         restriction.LinePosition = reader.LinePosition;
 230                         restriction.SourceUri = reader.BaseURI;
 231
 232                         while(reader.MoveToNextAttribute())
 233                         {
 234                                 if(reader.Name == "base")
 235                                 {
 236                                         Exception innerex;
 237                                         restriction.baseTypeName = XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);
 238                                         if(innerex != null)
 239                                                 error(h, reader.Value + " is not a valid value for base attribute",innerex);
 240                                 }
 241                                 else if(reader.Name == "id")
 242                                 {
 243                                         restriction.Id = reader.Value;
 244                                 }
 245                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
 246                                 {
 247                                         error(h,reader.Name + " is not a valid attribute for restriction",null);
 248                                 }
 249                                 else
 250                                 {
 251                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,restriction);
 252                                 }
 253                         }
 254
 255                         reader.MoveToElement();
 256                         if(reader.IsEmptyElement)
 257                                 return restriction;
 258
 259                         //Content:  1.annotation?,
 260                         //                  2.simpleType?,
 261                         //                      3.(minExclusive |...| enumeration | whiteSpace | pattern)*,
 262                         //                      4.(attribute | attributeGroup)*,
 263                         //                      5.anyAttribute?
 264                         int level = 1;
 265                         while(reader.ReadNextElement())
 266                         {
 267                                 if(reader.NodeType == XmlNodeType.EndElement)
 268                                 {
 269                                         if(reader.LocalName != xmlname)
 270                                                 error(h,"Should not happen :2: XmlSchemaSimpleContentRestriction.Read, name="+reader.Name,null);
 271                                         break;
 272                                 }
 273                                 if(level <= 1 && reader.LocalName == "annotation")
 274                                 {
 275                                         level = 2; //Only one annotation
 276                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);
 277                                         if(annotation != null)
 278                                                 restriction.Annotation = annotation;
 279                                         continue;
 280                                 }
 281                                 if(level <=2 && reader.LocalName == "simpleType")
 282                                 {
 283                                         level = 3;
 284                                         XmlSchemaSimpleType stype = XmlSchemaSimpleType.Read(reader,h);
 285                                         if(stype != null)
 286                                                 restriction.baseType = stype;
 287                                         continue;
 288                                 }
 289                                 if(level <= 3)
 290                                 {
 291                                         if(reader.LocalName == "minExclusive")
 292                                         {
 293                                                 level = 3;
 294                                                 XmlSchemaMinExclusiveFacet minex = XmlSchemaMinExclusiveFacet.Read(reader,h);
 295                                                 if(minex != null)
 296                                                         restriction.facets.Add(minex);
 297                                                 continue;
 298                                         }
 299                                         else if(reader.LocalName == "minInclusive")
 300                                         {
 301                                                 level = 3;
 302                                                 XmlSchemaMinInclusiveFacet mini = XmlSchemaMinInclusiveFacet.Read(reader,h);
 303                                                 if(mini != null)
 304                                                         restriction.facets.Add(mini);
 305                                                 continue;
 306                                         }
 307                                         else if(reader.LocalName == "maxExclusive")
 308                                         {
 309                                                 level = 3;
 310                                                 XmlSchemaMaxExclusiveFacet maxex = XmlSchemaMaxExclusiveFacet.Read(reader,h);
 311                                                 if(maxex != null)
 312                                                         restriction.facets.Add(maxex);
 313                                                 continue;
 314                                         }
 315                                         else if(reader.LocalName == "maxInclusive")
 316                                         {
 317                                                 level = 3;
 318                                                 XmlSchemaMaxInclusiveFacet maxi = XmlSchemaMaxInclusiveFacet.Read(reader,h);
 319                                                 if(maxi != null)
 320                                                         restriction.facets.Add(maxi);
 321                                                 continue;
 322                                         }
 323                                         else if(reader.LocalName == "totalDigits")
 324                                         {
 325                                                 level = 3;
 326                                                 XmlSchemaTotalDigitsFacet total = XmlSchemaTotalDigitsFacet.Read(reader,h);
 327                                                 if(total != null)
 328                                                         restriction.facets.Add(total);
 329                                                 continue;
 330                                         }
 331                                         else if(reader.LocalName == "fractionDigits")
 332                                         {
 333                                                 level = 3;
 334                                                 XmlSchemaFractionDigitsFacet fraction = XmlSchemaFractionDigitsFacet.Read(reader,h);
 335                                                 if(fraction != null)
 336                                                         restriction.facets.Add(fraction);
 337                                                 continue;
 338                                         }
 339                                         else if(reader.LocalName == "length")
 340                                         {
 341                                                 level = 3;
 342                                                 XmlSchemaLengthFacet length = XmlSchemaLengthFacet.Read(reader,h);
 343                                                 if(length != null)
 344                                                         restriction.facets.Add(length);
 345                                                 continue;
 346                                         }
 347                                         else if(reader.LocalName == "minLength")
 348                                         {
 349                                                 level = 3;
 350                                                 XmlSchemaMinLengthFacet minlen = XmlSchemaMinLengthFacet.Read(reader,h);
 351                                                 if(minlen != null)
 352                                                         restriction.facets.Add(minlen);
 353                                                 continue;
 354                                         }
 355                                         else if(reader.LocalName == "maxLength")
 356                                         {
 357                                                 level = 3;
 358                                                 XmlSchemaMaxLengthFacet maxlen = XmlSchemaMaxLengthFacet.Read(reader,h);
 359                                                 if(maxlen != null)
 360                                                         restriction.facets.Add(maxlen);
 361                                                 continue;
 362                                         }
 363                                         else if(reader.LocalName == "enumeration")
 364                                         {
 365                                                 level = 3;
 366                                                 XmlSchemaEnumerationFacet enumeration = XmlSchemaEnumerationFacet.Read(reader,h);
 367                                                 if(enumeration != null)
 368                                                         restriction.facets.Add(enumeration);
 369                                                 continue;
 370                                         }
 371                                         else if(reader.LocalName == "whiteSpace")
 372                                         {
 373                                                 level = 3;
 374                                                 XmlSchemaWhiteSpaceFacet ws = XmlSchemaWhiteSpaceFacet.Read(reader,h);
 375                                                 if(ws != null)
 376                                                         restriction.facets.Add(ws);
 377                                                 continue;
 378                                         }
 379                                         else if(reader.LocalName == "pattern")
 380                                         {
 381                                                 level = 3;
 382                                                 XmlSchemaPatternFacet pattern = XmlSchemaPatternFacet.Read(reader,h);
 383                                                 if(pattern != null)
 384                                                         restriction.facets.Add(pattern);
 385                                                 continue;
 386                                         }
 387                                 }
 388                                 if(level <= 4)
 389                                 {
 390                                         if(reader.LocalName == "attribute")
 391                                         {
 392                                                 level = 4;
 393                                                 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);
 394                                                 if(attr != null)
 395                                                         restriction.Attributes.Add(attr);
 396                                                 continue;
 397                                         }
 398                                         if(reader.LocalName == "attributeGroup")
 399                                         {
 400                                                 level = 4;
 401                                                 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);
 402                                                 if(attr != null)
 403                                                         restriction.attributes.Add(attr);
 404                                                 continue;
 405                                         }
 406                                 }
 407                                 if(level <= 5 && reader.LocalName == "anyAttribute")
 408                                 {
 409                                         level = 6;
 410                                         XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);
 411                                         if(anyattr != null)
 412                                                 restriction.AnyAttribute = anyattr;
 413                                         continue;
 414                                 }
 415                                 reader.RaiseInvalidElementError();
 416                         }
 417                         return restriction;
 418                 }
 419
 420         }
 421 }