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

   1 //\r
   2 // System.Xml.Schema.XmlSchemaComplexContentExtension.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;\r
  31 using System.Xml.Serialization;\r
  32 \r
  33 namespace System.Xml.Schema\r
  34 {\r
  35         /// <summary>\r
  36         /// Summary description for XmlSchemaComplexContentExtension.\r
  37         /// </summary>\r
  38         public class XmlSchemaComplexContentExtension : XmlSchemaContent\r
  39         {\r
  40                 private XmlSchemaAnyAttribute any;\r
  41                 private XmlSchemaObjectCollection attributes;\r
  42                 private XmlQualifiedName baseTypeName;\r
  43                 private XmlSchemaParticle particle;\r
  44                 const string xmlname = "extension";\r
  45 \r
  46                 public XmlSchemaComplexContentExtension()\r
  47                 {\r
  48                         attributes = new XmlSchemaObjectCollection();\r
  49                         baseTypeName = XmlQualifiedName.Empty;\r
  50                 }\r
  51                 \r
  52                 [System.Xml.Serialization.XmlAttribute("base")]\r
  53                 public XmlQualifiedName BaseTypeName \r
  54                 {\r
  55                         get{ return  baseTypeName; }\r
  56                         set{ baseTypeName = value; }\r
  57                 }\r
  58 \r
  59                 [XmlElement("group",typeof(XmlSchemaGroupRef))]\r
  60                 [XmlElement("all",typeof(XmlSchemaAll))]\r
  61                 [XmlElement("choice",typeof(XmlSchemaChoice))]\r
  62                 [XmlElement("sequence",typeof(XmlSchemaSequence))]\r
  63                 public XmlSchemaParticle Particle\r
  64                 {\r
  65                         get{ return  particle; }\r
  66                         set{ particle = value; }\r
  67                 }\r
  68 \r
  69                 [XmlElement("attribute",typeof(XmlSchemaAttribute))]\r
  70                 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef))]\r
  71                 public XmlSchemaObjectCollection Attributes \r
  72                 {\r
  73                         get{ return attributes; }\r
  74                 }\r
  75 \r
  76                 [XmlElement("anyAttribute")]\r
  77                 public XmlSchemaAnyAttribute AnyAttribute \r
  78                 {\r
  79                         get{ return any; }\r
  80                         set{ any = value;}\r
  81                 }\r
  82 \r
  83                 // internal properties\r
  84                 internal override bool IsExtension {\r
  85                         get { return true; }\r
  86                 }\r
  87 \r
  88                 /// <remarks>\r
  89                 /// </remarks>\r
  90                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)\r
  91                 {\r
  92                         // If this is already compiled this time, simply skip.\r
  93                         if (CompilationId == schema.CompilationId)\r
  94                                 return 0;\r
  95 \r
  96 #if NET_2_0\r
  97                         if (Particle != null)\r
  98                                 Particle.Parent = this;\r
  99                         if (AnyAttribute != null)\r
 100                                 AnyAttribute.Parent = this;\r
 101                         foreach (XmlSchemaObject obj in Attributes)\r
 102                                 obj.Parent = this;\r
 103 #endif\r
 104 \r
 105                         if (this.isRedefinedComponent) {\r
 106                                 if (Annotation != null)\r
 107                                         Annotation.isRedefinedComponent = true;\r
 108                                 if (AnyAttribute != null)\r
 109                                         AnyAttribute.isRedefinedComponent  = true;\r
 110                                 foreach (XmlSchemaObject obj in Attributes)\r
 111                                         obj.isRedefinedComponent  = true;\r
 112                                 if (Particle != null)\r
 113                                         Particle.isRedefinedComponent  = true;\r
 114                         }\r
 115 \r
 116                         if(BaseTypeName == null || BaseTypeName.IsEmpty)\r
 117                         {\r
 118                                 error(h, "base must be present, as a QName");\r
 119                         }\r
 120                         else if(!XmlSchemaUtil.CheckQName(BaseTypeName))\r
 121                                 error(h,"BaseTypeName is not a valid XmlQualifiedName");\r
 122                         \r
 123                         if(this.AnyAttribute != null)\r
 124                         {\r
 125                                 errorCount += AnyAttribute.Compile(h, schema);\r
 126                         }\r
 127 \r
 128                         foreach(XmlSchemaObject obj in Attributes)\r
 129                         {\r
 130                                 if(obj is XmlSchemaAttribute)\r
 131                                 {\r
 132                                         XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;\r
 133                                         errorCount += attr.Compile(h, schema);\r
 134                                 }\r
 135                                 else if(obj is XmlSchemaAttributeGroupRef)\r
 136                                 {\r
 137                                         XmlSchemaAttributeGroupRef atgrp = (XmlSchemaAttributeGroupRef) obj;\r
 138                                         errorCount += atgrp.Compile(h, schema);\r
 139                                 }\r
 140                                 else\r
 141                                         error(h,obj.GetType() +" is not valid in this place::ComplexConetnetExtension");\r
 142                         }\r
 143                         \r
 144                         if(Particle != null)\r
 145                         {\r
 146                                 if(Particle is XmlSchemaGroupRef)\r
 147                                 {\r
 148                                         errorCount += ((XmlSchemaGroupRef)Particle).Compile(h, schema);\r
 149                                 }\r
 150                                 else if(Particle is XmlSchemaAll)\r
 151                                 {\r
 152                                         errorCount += ((XmlSchemaAll)Particle).Compile(h, schema);\r
 153                                 }\r
 154                                 else if(Particle is XmlSchemaChoice)\r
 155                                 {\r
 156                                         errorCount += ((XmlSchemaChoice)Particle).Compile(h, schema);\r
 157                                 }\r
 158                                 else if(Particle is XmlSchemaSequence)\r
 159                                 {\r
 160                                         errorCount += ((XmlSchemaSequence)Particle).Compile(h, schema);\r
 161                                 }\r
 162                                 else\r
 163                                         error (h, "Particle of a restriction is limited only to group, sequence, choice and all.");\r
 164                         }\r
 165                         \r
 166                         XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);\r
 167 \r
 168                         this.CompilationId = schema.CompilationId;\r
 169                         return errorCount;\r
 170                 }\r
 171                 \r
 172                 internal override XmlQualifiedName GetBaseTypeName ()\r
 173                 {\r
 174                         return baseTypeName;\r
 175                 }\r
 176 \r
 177                 internal override XmlSchemaParticle GetParticle ()\r
 178                 {\r
 179                         return particle;\r
 180                 }\r
 181 \r
 182                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)\r
 183                 {\r
 184                         if (IsValidated (schema.ValidationId))\r
 185                                 return errorCount;\r
 186 \r
 187                         if (AnyAttribute != null)\r
 188                                 errorCount += AnyAttribute.Validate (h, schema);\r
 189                         foreach (XmlSchemaObject attrObj in Attributes)\r
 190                                 errorCount += attrObj.Validate (h, schema);\r
 191                         if (Particle != null)\r
 192                                 errorCount += Particle.Validate (h, schema);\r
 193 \r
 194                         ValidationId = schema.ValidationId;\r
 195                         return errorCount;\r
 196                 }\r
 197                 //<extension\r
 198                 //  base = QName\r
 199                 //  id = ID\r
 200                 //  {any attributes with non-schema namespace . . .}>\r
 201                 //  Content: (annotation?, ((group | all | choice | sequence)?, ((attribute | attributeGroup)*, anyAttribute?)))\r
 202                 //</extension>\r
 203                 internal static XmlSchemaComplexContentExtension Read(XmlSchemaReader reader, ValidationEventHandler h)\r
 204                 {\r
 205                         XmlSchemaComplexContentExtension extension = new XmlSchemaComplexContentExtension();\r
 206                         reader.MoveToElement();\r
 207 \r
 208                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
 209                         {\r
 210                                 error(h,"Should not happen :1: XmlSchemaComplexContentExtension.Read, name="+reader.Name,null);\r
 211                                 reader.Skip();\r
 212                                 return null;\r
 213                         }\r
 214 \r
 215                         extension.LineNumber = reader.LineNumber;\r
 216                         extension.LinePosition = reader.LinePosition;\r
 217                         extension.SourceUri = reader.BaseURI;\r
 218 \r
 219                         while(reader.MoveToNextAttribute())\r
 220                         {\r
 221                                 if(reader.Name == "base")\r
 222                                 {\r
 223                                         Exception innerex;\r
 224                                         extension.baseTypeName = XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);\r
 225                                         if(innerex != null)\r
 226                                                 error(h, reader.Value + " is not a valid value for base attribute",innerex);\r
 227                                 }\r
 228                                 else if(reader.Name == "id")\r
 229                                 {\r
 230                                         extension.Id = reader.Value;\r
 231                                 }\r
 232                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
 233                                 {\r
 234                                         error(h,reader.Name + " is not a valid attribute for extension",null);\r
 235                                 }\r
 236                                 else\r
 237                                 {\r
 238                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,extension);\r
 239                                 }\r
 240                         }\r
 241                         \r
 242                         reader.MoveToElement();\r
 243                         if(reader.IsEmptyElement)\r
 244                                 return extension;\r
 245                         //Content: 1. annotation?, \r
 246                         //                      (2.(group | all | choice | sequence)?, (3.(attribute | attributeGroup)*, 4.anyAttribute?)))\r
 247                         int level = 1;\r
 248                         while(reader.ReadNextElement())\r
 249                         {\r
 250                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 251                                 {\r
 252                                         if(reader.LocalName != xmlname)\r
 253                                                 error(h,"Should not happen :2: XmlSchemaComplexContentExtension.Read, name="+reader.Name,null);\r
 254                                         break;\r
 255                                 }\r
 256                                 if(level <= 1 && reader.LocalName == "annotation")\r
 257                                 {\r
 258                                         level = 2; //Only one annotation\r
 259                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 260                                         if(annotation != null)\r
 261                                                 extension.Annotation = annotation;\r
 262                                         continue;\r
 263                                 }\r
 264                                 if(level <= 2)\r
 265                                 {\r
 266                                         if(reader.LocalName == "group")\r
 267                                         {\r
 268                                                 level = 3;\r
 269                                                 XmlSchemaGroupRef group = XmlSchemaGroupRef.Read(reader,h);\r
 270                                                 if(group != null)\r
 271                                                         extension.particle = group;\r
 272                                                 continue;\r
 273                                         }\r
 274                                         if(reader.LocalName == "all")\r
 275                                         {\r
 276                                                 level = 3;\r
 277                                                 XmlSchemaAll all = XmlSchemaAll.Read(reader,h);\r
 278                                                 if(all != null)\r
 279                                                         extension.particle = all;\r
 280                                                 continue;\r
 281                                         }\r
 282                                         if(reader.LocalName == "choice")\r
 283                                         {\r
 284                                                 level = 3;\r
 285                                                 XmlSchemaChoice choice = XmlSchemaChoice.Read(reader,h);\r
 286                                                 if(choice != null)\r
 287                                                         extension.particle = choice;\r
 288                                                 continue;\r
 289                                         }\r
 290                                         if(reader.LocalName == "sequence")\r
 291                                         {\r
 292                                                 level = 3;\r
 293                                                 XmlSchemaSequence sequence = XmlSchemaSequence.Read(reader,h);\r
 294                                                 if(sequence != null)\r
 295                                                         extension.particle = sequence;\r
 296                                                 continue;\r
 297                                         }\r
 298                                 }\r
 299                                 if(level <= 3)\r
 300                                 {\r
 301                                         if(reader.LocalName == "attribute")\r
 302                                         {\r
 303                                                 level = 3;\r
 304                                                 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);\r
 305                                                 if(attr != null)\r
 306                                                         extension.Attributes.Add(attr);\r
 307                                                 continue;\r
 308                                         }\r
 309                                         if(reader.LocalName == "attributeGroup")\r
 310                                         {\r
 311                                                 level = 3;\r
 312                                                 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);\r
 313                                                 if(attr != null)\r
 314                                                         extension.attributes.Add(attr);\r
 315                                                 continue;\r
 316                                         }\r
 317                                 }\r
 318                                 if(level <= 4 && reader.LocalName == "anyAttribute")\r
 319                                 {\r
 320                                         level = 5;\r
 321                                         XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);\r
 322                                         if(anyattr != null)\r
 323                                                 extension.AnyAttribute = anyattr;\r
 324                                         continue;\r
 325                                 }\r
 326                                 reader.RaiseInvalidElementError();\r
 327                         }\r
 328                         return extension;\r
 329                 }\r
 330         }\r
 331 }\r