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