class/System.XML/System.Xml.Schema/XmlSchemaRedefine.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 XmlSchemaRedefine.
  32         /// </summary>
  33         public class XmlSchemaRedefine : XmlSchemaExternal
  34         {
  35                 private XmlSchemaObjectTable attributeGroups;
  36                 private XmlSchemaObjectTable groups;
  37                 private XmlSchemaObjectCollection items;
  38                 private XmlSchemaObjectTable schemaTypes;
  39                 const string xmlname = "redefine";
  40
  41                 public XmlSchemaRedefine()
  42                 {
  43                         attributeGroups = new XmlSchemaObjectTable();
  44                         groups = new XmlSchemaObjectTable();
  45                         items = new XmlSchemaObjectCollection(this);
  46                         schemaTypes = new XmlSchemaObjectTable();
  47                 }
  48
  49                 [XmlElement("annotation",typeof(XmlSchemaAnnotation))]
  50                 [XmlElement("simpleType",typeof(XmlSchemaSimpleType))]
  51                 [XmlElement("complexType",typeof(XmlSchemaComplexType))]
  52                 [XmlElement("group",typeof(XmlSchemaGroup))]
  53                         //NOTE: AttributeGroup and not AttributeGroupRef
  54                 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroup))]
  55                 public XmlSchemaObjectCollection Items
  56                 {
  57                         get{ return items; }
  58                 }
  59
  60                 [XmlIgnore]
  61                 public XmlSchemaObjectTable AttributeGroups
  62                 {
  63                         get{ return attributeGroups; }
  64                 }
  65
  66                 [XmlIgnore]
  67                 public XmlSchemaObjectTable SchemaTypes
  68                 {
  69                         get{ return schemaTypes; }
  70                 }
  71
  72                 [XmlIgnore]
  73                 public XmlSchemaObjectTable Groups
  74                 {
  75                         get{ return groups; }
  76                 }
  77
  78                 internal override void SetParent (XmlSchemaObject parent)
  79                 {
  80                         base.SetParent (parent);
  81                         foreach (XmlSchemaObject i in Items) {
  82                                 i.SetParent (this);
  83                                 i.isRedefinedComponent = true;
  84                                 i.isRedefineChild = true;
  85                         }
  86                 }
  87
  88 //<redefine
  89 //  id = ID
  90 //  schemaLocation = anyURI
  91 //  {any attributes with non-schema namespace . . .}>
  92 //  Content: (annotation | (simpleType | complexType | group | attributeGroup))*
  93 //</redefine>
  94                 internal static XmlSchemaRedefine Read(XmlSchemaReader reader, ValidationEventHandler h)
  95                 {
  96                         XmlSchemaRedefine redefine = new XmlSchemaRedefine();
  97                         reader.MoveToElement();
  98
  99                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
 100                         {
 101                                 error(h,"Should not happen :1: XmlSchemaRedefine.Read, name="+reader.Name,null);
 102                                 reader.Skip();
 103                                 return null;
 104                         }
 105
 106                         redefine.LineNumber = reader.LineNumber;
 107                         redefine.LinePosition = reader.LinePosition;
 108                         redefine.SourceUri = reader.BaseURI;
 109
 110                         while(reader.MoveToNextAttribute())
 111                         {
 112                                 if(reader.Name == "id")
 113                                 {
 114                                         redefine.Id = reader.Value;
 115                                 }
 116                                 else if(reader.Name == "schemaLocation")
 117                                 {
 118                                         redefine.SchemaLocation = reader.Value;
 119                                 }
 120                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
 121                                 {
 122                                         error(h,reader.Name + " is not a valid attribute for redefine",null);
 123                                 }
 124                                 else
 125                                 {
 126                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,redefine);
 127                                 }
 128                         }
 129
 130                         reader.MoveToElement();
 131                         if(reader.IsEmptyElement)
 132                                 return redefine;
 133
 134                         //(annotation | (simpleType | complexType | group | attributeGroup))*
 135                         while(reader.ReadNextElement())
 136                         {
 137                                 if(reader.NodeType == XmlNodeType.EndElement)
 138                                 {
 139                                         if(reader.LocalName != xmlname)
 140                                                 error(h,"Should not happen :2: XmlSchemaRedefine.Read, name="+reader.Name,null);
 141                                         break;
 142                                 }
 143                                 if(reader.LocalName == "annotation")
 144                                 {
 145                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);
 146                                         if(annotation != null)
 147                                                 redefine.items.Add(annotation);
 148                                         continue;
 149                                 }
 150                                 if(reader.LocalName == "simpleType")
 151                                 {
 152                                         XmlSchemaSimpleType simpleType = XmlSchemaSimpleType.Read(reader,h);
 153                                         if(simpleType != null)
 154                                                 redefine.items.Add(simpleType);
 155                                         continue;
 156                                 }
 157                                 if(reader.LocalName == "complexType")
 158                                 {
 159                                         XmlSchemaComplexType complexType = XmlSchemaComplexType.Read(reader,h);
 160                                         if(complexType != null)
 161                                                 redefine.items.Add(complexType);
 162                                         continue;
 163                                 }
 164                                 if(reader.LocalName == "group")
 165                                 {
 166                                         XmlSchemaGroup group = XmlSchemaGroup.Read(reader,h);
 167                                         if(group != null)
 168                                                 redefine.items.Add(group);
 169                                         continue;
 170                                 }
 171                                 if(reader.LocalName == "attributeGroup")
 172                                 {
 173                                         XmlSchemaAttributeGroup attributeGroup = XmlSchemaAttributeGroup.Read(reader,h);
 174                                         if(attributeGroup != null)
 175                                                 redefine.items.Add(attributeGroup);
 176                                         continue;
 177                                 }
 178                                 reader.RaiseInvalidElementError();
 179                         }
 180                         return redefine;
 181                 }
 182         }
 183 }