mcs/class/System.XML/System.Xml.Serialization/XmlTypeMapMemberElement.cs

   1 //
   2 // XmlTypeMapMemberElement.cs:
   3 //
   4 // Author:
   5 //   Lluis Sanchez Gual (lluis@ximian.com)
   6 //
   7 // (C) 2002, 2003 Ximian, Inc.  http://www.ximian.com
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32 using System.Collections;
  33 using System.Globalization;
  34
  35 namespace System.Xml.Serialization
  36 {
  37         // XmlTypeMapMemberElement
  38         // A member of a class that must be serialized as an XmlElement
  39
  40         internal class XmlTypeMapMemberElement: XmlTypeMapMember
  41         {
  42                 XmlTypeMapElementInfoList _elementInfo;
  43                 string _choiceMember;
  44                 bool _isTextCollector;
  45                 TypeData _choiceTypeData;
  46
  47                 public XmlTypeMapMemberElement()
  48                 {
  49                 }
  50
  51                 public XmlTypeMapElementInfoList ElementInfo
  52                 {
  53                         get
  54                         {
  55                                 if (_elementInfo == null) _elementInfo = new XmlTypeMapElementInfoList ();
  56                                 return _elementInfo;
  57                         }
  58                         set { _elementInfo = value; }
  59                 }
  60
  61                 public string ChoiceMember
  62                 {
  63                         get { return _choiceMember; }
  64                         set { _choiceMember = value; }
  65                 }
  66
  67                 public TypeData ChoiceTypeData
  68                 {
  69                         get { return _choiceTypeData; }
  70                         set { _choiceTypeData = value; }
  71                 }
  72
  73                 public XmlTypeMapElementInfo FindElement (object ob, object memberValue)
  74                 {
  75                         if (_elementInfo.Count == 1)
  76                                 return (XmlTypeMapElementInfo) _elementInfo[0];
  77                         else if (_choiceMember != null)
  78                         {
  79                                 object value = GetValue (ob, _choiceMember);
  80                                 foreach (XmlTypeMapElementInfo elem in _elementInfo)
  81                                         if (elem.ChoiceValue != null && elem.ChoiceValue.Equals (value)) return elem;
  82                         }
  83                         else
  84                         {
  85                                 if (memberValue == null)
  86                                         return (XmlTypeMapElementInfo) _elementInfo [0];
  87                                 else
  88                                 {
  89                                         XmlTypeMapElementInfo bestTypeElem = null;
  90                                         // Select the most-specific type for the given memberValue
  91                                         foreach (XmlTypeMapElementInfo elem in _elementInfo)
  92                                         {
  93                                                 if (elem.TypeData.Type.IsInstanceOfType (memberValue))
  94                                                 {
  95                                                         if (bestTypeElem == null || elem.TypeData.Type.IsSubclassOf (bestTypeElem.TypeData.Type))
  96                                                         {
  97                                                                 bestTypeElem = elem;
  98                                                         }
  99                                                 }
 100                                         }
 101                                         return bestTypeElem;
 102                                 }
 103                         }
 104                         return null;
 105                 }
 106
 107                 public void SetChoice (object ob, object choice)
 108                 {
 109                         SetValue (ob, _choiceMember, choice);
 110                 }
 111
 112                 public bool IsXmlTextCollector
 113                 {
 114                         get { return _isTextCollector; }
 115                         set { _isTextCollector = value; }
 116                 }
 117
 118                 public override bool RequiresNullable {
 119                         get {
 120                                 foreach (XmlTypeMapElementInfo einfo in ElementInfo)
 121                                         if (einfo.IsNullable)
 122                                                 return true;
 123                                 return false;
 124                         }
 125                 }
 126         }
 127
 128         // XmlTypeMapMemberList
 129         // A member of a class that must be serialized as a list
 130
 131         internal class XmlTypeMapMemberList : XmlTypeMapMemberElement
 132         {
 133                 public XmlTypeMapping ListTypeMapping
 134                 {
 135                         get { return ((XmlTypeMapElementInfo) ElementInfo[0]).MappedType; }
 136                 }
 137
 138                 public string ElementName
 139                 {
 140                         get { return ((XmlTypeMapElementInfo) ElementInfo[0]).ElementName; }
 141                 }
 142
 143                 public string Namespace
 144                 {
 145                         get { return ((XmlTypeMapElementInfo) ElementInfo[0]).Namespace; }
 146                 }
 147         }
 148
 149         // XmlTypeMapMemberFlatList
 150         // A member of a class that must be serialized as a flat list
 151
 152         internal class XmlTypeMapMemberExpandable : XmlTypeMapMemberElement
 153         {
 154                 int _flatArrayIndex;
 155
 156                 public int FlatArrayIndex
 157                 {
 158                         get { return _flatArrayIndex; }
 159                         set { _flatArrayIndex = value; }
 160                 }
 161         }
 162
 163         internal class XmlTypeMapMemberFlatList : XmlTypeMapMemberExpandable
 164         {
 165                 ListMap _listMap;
 166
 167                 public ListMap ListMap
 168                 {
 169                         get { return _listMap; }
 170                         set { _listMap = value; }
 171                 }
 172         }
 173
 174         internal class XmlTypeMapMemberAnyElement : XmlTypeMapMemberExpandable
 175         {
 176                 public bool IsElementDefined (string name, string ns)
 177                 {
 178                         foreach (XmlTypeMapElementInfo elem in ElementInfo)
 179                         {
 180                                 if (elem.IsUnnamedAnyElement)           // Default AnyElementAttribute
 181                                         return true;
 182
 183                                 if (elem.ElementName == name && elem.Namespace == ns)
 184                                         return true;
 185                         }
 186                         return false;
 187                 }
 188
 189                 public bool IsDefaultAny
 190                 {
 191                         get
 192                         {
 193                                 foreach (XmlTypeMapElementInfo elem in ElementInfo)
 194                                 {
 195                                         if (elem.IsUnnamedAnyElement)
 196                                                 return true;
 197                                 }
 198                                 return false;
 199                         }
 200                 }
 201
 202                 public bool CanBeText
 203                 {
 204                         get
 205                         {
 206                                 return (ElementInfo.Count > 0) && ((XmlTypeMapElementInfo)ElementInfo[0]).IsTextElement;
 207                         }
 208                 }
 209         }
 210
 211         internal class XmlTypeMapMemberAnyAttribute: XmlTypeMapMember
 212         {
 213         }
 214 }