class/System.XML/System.Xml.Schema/XmlSchemaComplexContent.cs

   1 //
   2 // System.Xml.Schema.XmlSchemaComplexContent.cs
   3 //
   4 // Author:
   5 //      Dwivedi, Ajay kumar  Adwiv@Yahoo.com
   6 //      Atsushi Enomoto  ginga@kit.hi-ho.ne.jp
   7 //
   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;
  30 using System.Xml.Serialization;
  31 using System.Xml;
  32
  33 namespace System.Xml.Schema
  34 {
  35         /// <summary>
  36         /// Summary description for XmlSchemaComplexContent.
  37         /// </summary>
  38         public class XmlSchemaComplexContent : XmlSchemaContentModel
  39         {
  40                 private XmlSchemaContent content;
  41                 private bool isMixed;
  42                 const string xmlname = "complexContent";
  43
  44                 public XmlSchemaComplexContent()
  45                 {}
  46
  47                 [System.Xml.Serialization.XmlAttribute("mixed")]
  48                 public bool IsMixed
  49                 {
  50                         get{ return  isMixed; }
  51                         set{ isMixed = value; }
  52                 }
  53
  54                 [XmlElement("restriction",typeof(XmlSchemaComplexContentRestriction))]
  55                 [XmlElement("extension",typeof(XmlSchemaComplexContentExtension))]
  56                 public override XmlSchemaContent Content
  57                 {
  58                         get{ return  content; }
  59                         set{ content = value; }
  60                 }
  61
  62                 internal override void SetParent (XmlSchemaObject parent)
  63                 {
  64                         base.SetParent (parent);
  65                         if (Content != null)
  66                                 Content.SetParent (this);
  67                 }
  68
  69                 /// <remarks>
  70                 /// 1. Content must be present
  71                 /// </remarks>
  72                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)
  73                 {
  74                         // If this is already compiled this time, simply skip.
  75                         if (CompilationId == schema.CompilationId)
  76                                 return 0;
  77
  78                         if (isRedefinedComponent) {
  79                                 if (Annotation != null)
  80                                         Annotation.isRedefinedComponent = true;
  81                                 if (Content != null)
  82                                         Content.isRedefinedComponent = true;
  83                         }
  84
  85                         if(Content == null)
  86                         {
  87                                 error(h, "Content must be present in a complexContent");
  88                         }
  89                         else
  90                         {
  91                                 if(Content is XmlSchemaComplexContentRestriction)
  92                                 {
  93                                         XmlSchemaComplexContentRestriction xscr = (XmlSchemaComplexContentRestriction) Content;
  94                                         errorCount += xscr.Compile(h, schema);
  95                                 }
  96                                 else if(Content is XmlSchemaComplexContentExtension)
  97                                 {
  98                                         XmlSchemaComplexContentExtension xsce = (XmlSchemaComplexContentExtension) Content;
  99                                         errorCount += xsce.Compile(h, schema);
 100                                 }
 101                                 else
 102                                         error(h,"complexContent can't have any value other than restriction or extention");
 103                         }
 104
 105                         XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);
 106
 107                         this.CompilationId = schema.CompilationId;
 108                         return errorCount;
 109                 }
 110
 111                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)
 112                 {
 113                         if (IsValidated (schema.ValidationId))
 114                                 return errorCount;
 115
 116                         errorCount += Content.Validate (h, schema);
 117
 118                         ValidationId = schema.ValidationId;
 119                         return errorCount;
 120                 }
 121                 //<complexContent
 122                 //  id = ID
 123                 //  mixed = boolean
 124                 //  {any attributes with non-schema namespace . . .}>
 125                 //  Content: (annotation?, (restriction | extension))
 126                 //</complexContent>
 127                 internal static XmlSchemaComplexContent Read(XmlSchemaReader reader, ValidationEventHandler h)
 128                 {
 129                         XmlSchemaComplexContent complex = new XmlSchemaComplexContent();
 130                         reader.MoveToElement();
 131
 132                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
 133                         {
 134                                 error(h,"Should not happen :1: XmlSchemaComplexContent.Read, name="+reader.Name,null);
 135                                 reader.Skip();
 136                                 return null;
 137                         }
 138
 139                         complex.LineNumber = reader.LineNumber;
 140                         complex.LinePosition = reader.LinePosition;
 141                         complex.SourceUri = reader.BaseURI;
 142
 143                         while(reader.MoveToNextAttribute())
 144                         {
 145                                 if(reader.Name == "id")
 146                                 {
 147                                         complex.Id = reader.Value;
 148                                 }
 149                                 else if(reader.Name == "mixed")
 150                                 {
 151                                         Exception innerex;
 152                                         complex.isMixed = XmlSchemaUtil.ReadBoolAttribute(reader,out innerex);
 153                                         if(innerex != null)
 154                                                 error(h,reader.Value + " is an invalid value for mixed",innerex);
 155                                 }
 156                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
 157                                 {
 158                                         error(h,reader.Name + " is not a valid attribute for complexContent",null);
 159                                 }
 160                                 else
 161                                 {
 162                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,complex);
 163                                 }
 164                         }
 165
 166                         reader.MoveToElement();
 167                         if(reader.IsEmptyElement)
 168                                 return complex;
 169                         //Content: (annotation?, (restriction | extension))
 170                         int level = 1;
 171                         while(reader.ReadNextElement())
 172                         {
 173                                 if(reader.NodeType == XmlNodeType.EndElement)
 174                                 {
 175                                         if(reader.LocalName != xmlname)
 176                                                 error(h,"Should not happen :2: XmlSchemaComplexContent.Read, name="+reader.Name,null);
 177                                         break;
 178                                 }
 179                                 if(level <= 1 && reader.LocalName == "annotation")
 180                                 {
 181                                         level = 2; //Only one annotation
 182                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);
 183                                         if(annotation != null)
 184                                                 complex.Annotation = annotation;
 185                                         continue;
 186                                 }
 187                                 if(level <=2)
 188                                 {
 189                                         if(reader.LocalName == "restriction")
 190                                         {
 191                                                 level = 3;
 192                                                 XmlSchemaComplexContentRestriction restriction = XmlSchemaComplexContentRestriction.Read(reader,h);
 193                                                 if(restriction != null)
 194                                                         complex.content = restriction;
 195                                                 continue;
 196                                         }
 197                                         if(reader.LocalName == "extension")
 198                                         {
 199                                                 level = 3;
 200                                                 XmlSchemaComplexContentExtension extension = XmlSchemaComplexContentExtension.Read(reader,h);
 201                                                 if(extension != null)
 202                                                         complex.content = extension;
 203                                                 continue;
 204                                         }
 205                                 }
 206                                 reader.RaiseInvalidElementError();
 207                         }
 208                         return complex;
 209                 }
 210         }
 211 }