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

   1 //
   2 // XmlElementAttribute.cs:
   3 //
   4 // Author:
   5 //   John Donagher (john@webmeta.com)
   6 //
   7 // (C) 2002 John Donagher
   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.Xml.Schema;
  32 using System;
  33
  34 namespace System.Xml.Serialization
  35 {
  36         /// <summary>
  37         /// Summary description for XmlElementAttribute.
  38         /// </summary
  39         [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field
  40                  | AttributeTargets.Parameter | AttributeTargets.ReturnValue, AllowMultiple=true)]
  41         public class XmlElementAttribute : Attribute
  42         {
  43                 private string dataType;
  44                 private string elementName;
  45                 private XmlSchemaForm form;
  46                 private string ns;
  47                 private bool isNullable, isNullableSpecified;
  48                 private Type type;
  49 #if NET_2_0
  50                 private int order = -1;
  51 #endif
  52
  53                 public XmlElementAttribute ()
  54                 {
  55                 }
  56                 public XmlElementAttribute (string elementName)
  57                 {
  58                         this.elementName = elementName;
  59                 }
  60                 public XmlElementAttribute (Type type)
  61                 {
  62                         this.type = type;
  63                 }
  64                 public XmlElementAttribute (string elementName, Type type)
  65                 {
  66                         this.elementName = elementName;
  67                         this.type = type;
  68                 }
  69
  70                 public string DataType {
  71                         get {
  72                                 if (dataType == null) {
  73                                         return string.Empty;
  74                                 }
  75                                 return dataType;
  76                         }
  77                         set { dataType = value; }
  78                 }
  79
  80                 public string ElementName {
  81                         get {
  82                                 if (elementName == null) {
  83                                         return string.Empty;
  84                                 }
  85                                 return elementName;
  86                         }
  87                         set { elementName = value; }
  88                 }
  89
  90                 public XmlSchemaForm Form {
  91                         get {
  92                                 return form;
  93                         }
  94                         set {
  95                                 form = value;
  96                         }
  97                 }
  98
  99                 public string Namespace {
 100                         get {
 101                                 return ns;
 102                         }
 103                         set {
 104                                 ns = value;
 105                         }
 106                 }
 107
 108                 public bool IsNullable {
 109                         get {
 110                                 return isNullable;
 111                         }
 112                         set {
 113                                 isNullableSpecified = true;
 114                                 isNullable = value;
 115                         }
 116                 }
 117
 118                 internal bool IsNullableSpecified {
 119                         get { return isNullableSpecified; }
 120                 }
 121
 122 #if NET_2_0
 123                 [MonoTODO]
 124                 public int Order {
 125                         get { return order; }
 126                         set { order = value; }
 127                 }
 128 #endif
 129
 130                 public Type Type {
 131                         get {
 132                                 return type;
 133                         }
 134                         set {
 135                                 type = value;
 136                         }
 137                 }
 138
 139                 internal void AddKeyHash (System.Text.StringBuilder sb)
 140                 {
 141                         sb.Append ("XEA ");
 142                         KeyHelper.AddField (sb, 1, ns);
 143                         KeyHelper.AddField (sb, 2, elementName);
 144                         KeyHelper.AddField (sb, 3, form.ToString(), XmlSchemaForm.None.ToString());
 145                         KeyHelper.AddField (sb, 4, dataType);
 146                         KeyHelper.AddField (sb, 5, type);
 147                         KeyHelper.AddField (sb, 6, isNullable);
 148                         sb.Append ('|');
 149                 }
 150         }
 151 }