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

   1 //\r
   2 // System.Xml.Schema.XmlSchemaSimpleContentExtension.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 XmlSchemaSimpleContentExtension.\r
  37         /// </summary>\r
  38         public class XmlSchemaSimpleContentExtension : XmlSchemaContent\r
  39         {\r
  40 \r
  41                 private XmlSchemaAnyAttribute any;\r
  42                 private XmlSchemaObjectCollection attributes;\r
  43                 private XmlQualifiedName baseTypeName;\r
  44                 const string xmlname = "extension";\r
  45 \r
  46                 public XmlSchemaSimpleContentExtension()\r
  47                 {\r
  48                         baseTypeName = XmlQualifiedName.Empty;\r
  49                         attributes       = new XmlSchemaObjectCollection();\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("attribute",typeof(XmlSchemaAttribute))]\r
  60                 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef))]\r
  61                 public XmlSchemaObjectCollection Attributes \r
  62                 {\r
  63                         get{ return attributes; }\r
  64                 }\r
  65 \r
  66                 [XmlElement("anyAttribute")]\r
  67                 public XmlSchemaAnyAttribute AnyAttribute \r
  68                 {\r
  69                         get{ return  any; }\r
  70                         set{ any = value; }\r
  71                 }\r
  72 \r
  73                 // internal properties\r
  74                 internal override bool IsExtension {\r
  75                         get { return true; }\r
  76                 }\r
  77 \r
  78                 ///<remarks>\r
  79                 /// 1. Base must be present and a QName\r
  80                 ///</remarks>\r
  81                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)\r
  82                 {\r
  83                         // If this is already compiled this time, simply skip.\r
  84                         if (this.IsComplied (schema.CompilationId))\r
  85                                 return 0;\r
  86 \r
  87 #if NET_2_0\r
  88                         if (AnyAttribute != null)\r
  89                                 AnyAttribute.Parent = this;\r
  90                         foreach (XmlSchemaObject obj in Attributes)\r
  91                                 obj.Parent = this;\r
  92 #endif\r
  93 \r
  94                         if (this.isRedefinedComponent) {\r
  95                                 if (Annotation != null)\r
  96                                         Annotation.isRedefinedComponent = true;\r
  97                                 if (AnyAttribute != null)\r
  98                                         AnyAttribute.isRedefinedComponent = true;\r
  99                                 foreach (XmlSchemaObject obj in Attributes)\r
 100                                         obj.isRedefinedComponent = true;\r
 101                         }\r
 102 \r
 103                         if(BaseTypeName == null || BaseTypeName.IsEmpty)\r
 104                         {\r
 105                                 error(h, "base must be present, as a QName");\r
 106                         }\r
 107                         else if(!XmlSchemaUtil.CheckQName(BaseTypeName))\r
 108                                 error(h,"BaseTypeName must be a QName");\r
 109 \r
 110                         if(this.AnyAttribute != null)\r
 111                         {\r
 112                                 errorCount += AnyAttribute.Compile(h,schema);\r
 113                         }\r
 114 \r
 115                         foreach(XmlSchemaObject obj in Attributes)\r
 116                         {\r
 117                                 if(obj is XmlSchemaAttribute)\r
 118                                 {\r
 119                                         XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;\r
 120                                         errorCount += attr.Compile(h,schema);\r
 121                                 }\r
 122                                 else if(obj is XmlSchemaAttributeGroupRef)\r
 123                                 {\r
 124                                         XmlSchemaAttributeGroupRef atgrp = (XmlSchemaAttributeGroupRef) obj;\r
 125                                         errorCount += atgrp.Compile(h,schema);\r
 126                                 }\r
 127                                 else\r
 128                                         error(h,obj.GetType() +" is not valid in this place::SimpleConentExtension");\r
 129                         }\r
 130                         \r
 131                         XmlSchemaUtil.CompileID(Id,this,schema.IDCollection,h);\r
 132 \r
 133                         this.CompilationId = schema.CompilationId;\r
 134                         return errorCount;\r
 135                 }\r
 136                 \r
 137                 internal override XmlQualifiedName GetBaseTypeName ()\r
 138                 {\r
 139                         return baseTypeName;\r
 140                 }\r
 141 \r
 142                 internal override XmlSchemaParticle GetParticle ()\r
 143                 {\r
 144                         return null;\r
 145                 }\r
 146 \r
 147                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)\r
 148                 {\r
 149                         if (IsValidated (schema.ValidationId))\r
 150                                 return errorCount;\r
 151 \r
 152                         XmlSchemaType st = schema.SchemaTypes [baseTypeName] as XmlSchemaType;\r
 153                         if (st != null) {\r
 154                                 XmlSchemaComplexType ct = st as XmlSchemaComplexType;\r
 155                                 if (ct != null && ct.ContentModel is XmlSchemaComplexContent)\r
 156                                         error (h, "Specified type is complex type which contains complex content.");\r
 157                                 st.Validate (h, schema);\r
 158                                 actualBaseSchemaType = st;\r
 159                         } else if (baseTypeName == XmlSchemaComplexType.AnyTypeName) {\r
 160                                 actualBaseSchemaType = XmlSchemaComplexType.AnyType;
 161                         } else if (XmlSchemaUtil.IsBuiltInDatatypeName (baseTypeName)) {\r
 162                                 actualBaseSchemaType = XmlSchemaDatatype.FromName (baseTypeName);\r
 163                                 if (actualBaseSchemaType == null)\r
 164                                         error (h, "Invalid schema datatype name is specified.");\r
 165                         }\r
 166                         // otherwise, it might be missing sub components.\r
 167                         else if (!schema.IsNamespaceAbsent (baseTypeName.Namespace))\r
 168                                 error (h, "Referenced base schema type " + baseTypeName + " was not found in the corresponding schema.");\r
 169 \r
 170                         ValidationId = schema.ValidationId;\r
 171                         return errorCount;\r
 172                 }\r
 173 \r
 174                 //<extension \r
 175                 //base = QName \r
 176                 //id = ID \r
 177                 //{any attributes with non-schema namespace . . .}>\r
 178                 //Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))\r
 179                 //</extension>\r
 180                 internal static XmlSchemaSimpleContentExtension Read(XmlSchemaReader reader, ValidationEventHandler h)\r
 181                 {\r
 182                         XmlSchemaSimpleContentExtension extension = new XmlSchemaSimpleContentExtension();\r
 183                         reader.MoveToElement();\r
 184 \r
 185                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
 186                         {\r
 187                                 error(h,"Should not happen :1: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);\r
 188                                 reader.Skip();\r
 189                                 return null;\r
 190                         }\r
 191 \r
 192                         extension.LineNumber = reader.LineNumber;\r
 193                         extension.LinePosition = reader.LinePosition;\r
 194                         extension.SourceUri = reader.BaseURI;\r
 195 \r
 196                         while(reader.MoveToNextAttribute())\r
 197                         {\r
 198                                 if(reader.Name == "base")\r
 199                                 {\r
 200                                         Exception innerex;\r
 201                                         extension.baseTypeName= XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);\r
 202                                         if(innerex != null)\r
 203                                                 error(h, reader.Value + " is not a valid value for base attribute",innerex);\r
 204                                 }\r
 205                                 else if(reader.Name == "id")\r
 206                                 {\r
 207                                         extension.Id = reader.Value;\r
 208                                 }\r
 209                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
 210                                 {\r
 211                                         error(h,reader.Name + " is not a valid attribute for extension in this context",null);\r
 212                                 }\r
 213                                 else\r
 214                                 {\r
 215                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,extension);\r
 216                                 }\r
 217                         }\r
 218                         \r
 219                         reader.MoveToElement();\r
 220                         if(reader.IsEmptyElement)\r
 221                                 return extension;\r
 222 \r
 223                         //Content: 1.annotation?, 2.(attribute | attributeGroup)*, 3.anyAttribute?\r
 224                         int level = 1;\r
 225                         while(reader.ReadNextElement())\r
 226                         {\r
 227                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 228                                 {\r
 229                                         if(reader.LocalName != xmlname)\r
 230                                                 error(h,"Should not happen :2: XmlSchemaSimpleContentExtension.Read, name="+reader.Name,null);\r
 231                                         break;\r
 232                                 }\r
 233                                 if(level <= 1 && reader.LocalName == "annotation")\r
 234                                 {\r
 235                                         level = 2; //Only one annotation\r
 236                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 237                                         if(annotation != null)\r
 238                                                 extension.Annotation = annotation;\r
 239                                         continue;\r
 240                                 }\r
 241                                 if(level <= 2)\r
 242                                 {\r
 243                                         if(reader.LocalName == "attribute")\r
 244                                         {\r
 245                                                 level = 2;\r
 246                                                 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);\r
 247                                                 if(attr != null)\r
 248                                                         extension.Attributes.Add(attr);\r
 249                                                 continue;\r
 250                                         }\r
 251                                         if(reader.LocalName == "attributeGroup")\r
 252                                         {\r
 253                                                 level = 2;\r
 254                                                 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);\r
 255                                                 if(attr != null)\r
 256                                                         extension.attributes.Add(attr);\r
 257                                                 continue;\r
 258                                         }\r
 259                                 }\r
 260                                 if(level <= 3 && reader.LocalName == "anyAttribute")\r
 261                                 {\r
 262                                         level = 4;\r
 263                                         XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);\r
 264                                         if(anyattr != null)\r
 265                                                 extension.AnyAttribute = anyattr;\r
 266                                         continue;\r
 267                                 }\r
 268                                 reader.RaiseInvalidElementError();\r
 269                         }\r
 270                         return extension;\r
 271                 }\r
 272         }\r
 273 }\r