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

   1 //
   2 // System.Xml.Serialization.XmlSchemas
   3 //
   4 // Author:
   5 //   Tim Coleman (tim@timcoleman.com)
   6 //
   7 // Copyright (C) Tim Coleman, 2002
   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.Collections;
  32 #if NET_2_0
  33 using System.Collections.Generic;
  34 #endif
  35 using System.Xml.Schema;
  36
  37 namespace System.Xml.Serialization
  38 {
  39 #if NET_2_0
  40         public class XmlSchemas : CollectionBase, IEnumerable<XmlSchema>
  41 #else
  42         public class XmlSchemas : CollectionBase
  43 #endif
  44         {
  45
  46                 #region Fields
  47                 private static string msdataNS = "urn:schemas-microsoft-com:xml-msdata";
  48
  49                 Hashtable table = new Hashtable ();
  50
  51                 #endregion
  52
  53                 #region Constructors
  54
  55                 public XmlSchemas ()
  56                 {
  57                 }
  58
  59                 #endregion // Constructors
  60
  61                 #region Properties
  62
  63                 public XmlSchema this [int index] {
  64                         get {
  65                                 if (index < 0 || index > Count)
  66                                         throw new ArgumentOutOfRangeException ();
  67
  68                                 return (XmlSchema) List [index];
  69                         }
  70                         set { List [index] = value; }
  71                 }
  72
  73                 public XmlSchema this [string ns] {
  74                         get { return (XmlSchema) table[ns!=null?ns:""]; }
  75                 }
  76
  77 #if NET_2_0
  78                 [MonoTODO]
  79                 public bool IsCompiled
  80                 {
  81                         get { throw new NotImplementedException (); }
  82                 }
  83
  84                 [MonoTODO]
  85                 public void Compile (ValidationEventHandler handler, bool fullCompile)
  86                 {
  87                         foreach (XmlSchema xs in this)
  88                                 if (fullCompile || !xs.IsCompiled)
  89                                         xs.Compile (handler);
  90                 }
  91 #endif
  92
  93
  94                 #endregion // Properties
  95
  96                 #region Methods
  97
  98                 public int Add (XmlSchema schema)
  99                 {
 100                         Insert (Count, schema);
 101                         return (Count - 1);
 102                 }
 103
 104                 public void Add (XmlSchemas schemas)
 105                 {
 106                         foreach (XmlSchema schema in schemas)
 107                                 Add (schema);
 108                 }
 109
 110 #if NET_2_0
 111                 [MonoNotSupported("")]
 112                 public int Add (XmlSchema schema, Uri baseUri)
 113                 {
 114                         throw new NotImplementedException ();
 115                 }
 116
 117                 [MonoNotSupported("")]
 118                 public void AddReference (XmlSchema schema)
 119                 {
 120                         throw new NotImplementedException ();
 121                 }
 122 #endif
 123
 124                 public bool Contains (XmlSchema schema)
 125                 {
 126                         return List.Contains (schema);
 127                 }
 128
 129 #if NET_2_0
 130                 [MonoNotSupported("")]
 131                 public bool Contains (string targetNamespace)
 132                 {
 133                         throw new NotImplementedException ();
 134                 }
 135 #endif
 136
 137                 public void CopyTo (XmlSchema[] array, int index)
 138                 {
 139                         List.CopyTo (array, index);
 140                 }
 141
 142                 public object Find (XmlQualifiedName name, Type type)
 143                 {
 144                         XmlSchema schema = table [name.Namespace] as XmlSchema;
 145                         if (schema == null)
 146                         {
 147                                 // An schema may import other schemas. An imported schema would
 148                                 // not be in the table, but its elements (although from another
 149                                 // namespace) would be in the schema that imported it. So, we
 150                                 // need know to check for every schema in the table.
 151
 152                                 foreach (XmlSchema s in this)
 153                                 {
 154                                         object ob = Find (s, name, type);
 155                                         if (ob != null) return ob;
 156                                 }
 157                                 return null;
 158                         }
 159                         else {
 160                                 object fschema = Find (schema, name, type);
 161 #if NET_2_0
 162                                 if (fschema == null) {
 163                                         // still didn't find it
 164                                         // (possibly table[name.Namespace] was overwritten in table due to duplicate "" keys),
 165                                         // so look in all schemas (for consistiency with MS behaviour)
 166                                         foreach (XmlSchema s in this) {
 167                                                 object ob = Find (s, name, type);
 168                                                 if (ob != null) return ob;
 169                                         }
 170                                 }
 171 #endif
 172                                 return fschema;
 173                         }
 174                 }
 175
 176                 object Find (XmlSchema schema, XmlQualifiedName name, Type type)
 177                 {
 178                         if (!schema.IsCompiled) {
 179                                 schema.Compile (null);
 180                         }
 181
 182                         XmlSchemaObjectTable tbl = null;
 183
 184                         if (type == typeof (XmlSchemaSimpleType) || type == typeof (XmlSchemaComplexType))
 185                                 tbl = schema.SchemaTypes;
 186                         else if (type == typeof (XmlSchemaAttribute))
 187                                 tbl = schema.Attributes;
 188                         else if (type == typeof (XmlSchemaAttributeGroup))
 189                                 tbl = schema.AttributeGroups;
 190                         else if (type == typeof (XmlSchemaElement))
 191                                 tbl = schema.Elements;
 192                         else if (type == typeof (XmlSchemaGroup))
 193                                 tbl = schema.Groups;
 194                         else if (type == typeof (XmlSchemaNotation))
 195                                 tbl = schema.Notations;
 196
 197                         object res = (tbl != null) ? tbl [name] : null;
 198                         if (res != null && res.GetType () != type) return null;
 199                         else return res;
 200                 }
 201
 202 #if NET_2_0
 203                 [MonoNotSupported("")]
 204                 public IList GetSchemas (string ns)
 205                 {
 206                         throw new NotImplementedException ();
 207                 }
 208 #endif
 209
 210                 public int IndexOf (XmlSchema schema)
 211                 {
 212                         return List.IndexOf (schema);
 213                 }
 214
 215                 public void Insert (int index, XmlSchema schema)
 216                 {
 217                         List.Insert (index, schema);
 218                 }
 219
 220                 public static bool IsDataSet (XmlSchema schema)
 221                 {
 222                         XmlSchemaElement el = schema.Items.Count == 1 ?
 223                                 schema.Items [0] as XmlSchemaElement : null;
 224                         if (el != null && el.UnhandledAttributes != null && el.UnhandledAttributes.Length > 0) {
 225                                 for (int i = 0; i < el.UnhandledAttributes.Length; i++) {
 226                                         XmlAttribute attr = el.UnhandledAttributes [i];
 227                                         if (attr.NamespaceURI == msdataNS && attr.LocalName == "IsDataSet")
 228                                                 return (attr.Value.ToLower (System.Globalization.CultureInfo.InvariantCulture) == "true");
 229                                 }
 230                         }
 231                         return false;
 232                 }
 233
 234                 protected override void OnClear ()
 235                 {
 236                         table.Clear ();
 237                 }
 238
 239                 protected override void OnInsert (int index, object value)
 240                 {
 241                         string ns = ((XmlSchema) value).TargetNamespace;
 242                         if (ns == null) ns = "";
 243                         table [ns] = value;
 244                 }
 245
 246                 protected override void OnRemove (int index, object value)
 247                 {
 248                         table.Remove (value);
 249                 }
 250
 251                 protected override void OnSet (int index, object oldValue, object newValue)
 252                 {
 253                         string ns = ((XmlSchema) oldValue).TargetNamespace;
 254                         if (ns == null) ns = "";
 255                         table [ns] = newValue;
 256                 }
 257
 258                 public void Remove (XmlSchema schema)
 259                 {
 260                         List.Remove (schema);
 261                 }
 262
 263 #if NET_2_0
 264                 IEnumerator<XmlSchema> IEnumerable<XmlSchema>.GetEnumerator ()
 265                 {
 266                         return new XmlSchemaEnumerator (this);
 267                 }
 268 #endif
 269
 270                 #endregion // Methods
 271         }
 272 }