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

   1 //
   2 // System.Xml.Serialization.TypeTranslator
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //      Erik LeBel (eriklebel@yahoo.ca)
   7 //  Lluis Sanchez Gual (lluis@ximian.com)
   8 //
   9 // (C) 2002 Ximian, Inc (http://www.ximian.com)
  10 // (C) 2003 Erik Lebel
  11 //
  12
  13 //
  14 // Permission is hereby granted, free of charge, to any person obtaining
  15 // a copy of this software and associated documentation files (the
  16 // "Software"), to deal in the Software without restriction, including
  17 // without limitation the rights to use, copy, modify, merge, publish,
  18 // distribute, sublicense, and/or sell copies of the Software, and to
  19 // permit persons to whom the Software is furnished to do so, subject to
  20 // the following conditions:
  21 //
  22 // The above copyright notice and this permission notice shall be
  23 // included in all copies or substantial portions of the Software.
  24 //
  25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32 //
  33
  34 using System;
  35 using System.Collections;
  36 using System.Globalization;
  37 using System.Xml.Schema;
  38
  39 namespace System.Xml.Serialization
  40 {
  41         internal class TypeTranslator
  42         {
  43                 static Hashtable nameCache;
  44                 static Hashtable primitiveTypes;
  45                 static Hashtable primitiveArrayTypes;
  46                 static Hashtable nullableTypes;
  47
  48 #if TARGET_JVM
  49                 static readonly object AppDomain_TypeTranslatorCacheLock = new object ();
  50                 const string AppDomain_nameCacheName = "System.Xml.Serialization.TypeTranslator.nameCache";
  51                 const string AppDomain_nullableTypesName = "System.Xml.Serialization.TypeTranslator.nullableTypes";
  52
  53                 static Hashtable AppDomain_nameCache {
  54                         get { return GetAppDomainCache (AppDomain_nameCacheName); }
  55                 }
  56
  57                 static Hashtable AppDomain_nullableTypes {
  58                         get { return GetAppDomainCache (AppDomain_nullableTypesName); }
  59                 }
  60
  61                 static Hashtable GetAppDomainCache(string name) {
  62                         Hashtable res = (Hashtable) AppDomain.CurrentDomain.GetData (name);
  63
  64                         if (res == null) {
  65                                 lock (AppDomain_TypeTranslatorCacheLock) {
  66                                         res = (Hashtable) AppDomain.CurrentDomain.GetData (name);
  67                                         if (res == null) {
  68                                                 res = Hashtable.Synchronized (new Hashtable ());
  69                                                 AppDomain.CurrentDomain.SetData (name, res);
  70                                         }
  71                                 }
  72                         }
  73
  74                         return res;
  75                 }
  76 #endif
  77
  78                 static TypeTranslator ()
  79                 {
  80                         nameCache = new Hashtable ();
  81                         primitiveArrayTypes = Hashtable.Synchronized (new Hashtable ());
  82
  83 #if !TARGET_JVM
  84                         nameCache = Hashtable.Synchronized (nameCache);
  85 #endif
  86                         // XSD Types with direct map to CLR types
  87
  88                         nameCache.Add (typeof (bool), new TypeData (typeof (bool), "boolean", true));
  89                         nameCache.Add (typeof (short), new TypeData (typeof (short), "short", true));
  90                         nameCache.Add (typeof (ushort), new TypeData (typeof (ushort), "unsignedShort", true));
  91                         nameCache.Add (typeof (int), new TypeData (typeof (int), "int", true));
  92                         nameCache.Add (typeof (uint), new TypeData (typeof (uint), "unsignedInt", true));
  93                         nameCache.Add (typeof (long), new TypeData (typeof (long), "long", true));
  94                         nameCache.Add (typeof (ulong), new TypeData (typeof (ulong), "unsignedLong", true));
  95                         nameCache.Add (typeof (float), new TypeData (typeof (float), "float", true));
  96                         nameCache.Add (typeof (double), new TypeData (typeof (double), "double", true));
  97                         nameCache.Add (typeof (DateTime), new TypeData (typeof (DateTime), "dateTime", true));  // TODO: timeInstant, Xml date, xml time
  98                         nameCache.Add (typeof (decimal), new TypeData (typeof (decimal), "decimal", true));
  99                         nameCache.Add (typeof (XmlQualifiedName), new TypeData (typeof (XmlQualifiedName), "QName", true));
 100                         nameCache.Add (typeof (string), new TypeData (typeof (string), "string", true));
 101 #if !MOONLIGHT
 102                         XmlSchemaPatternFacet guidFacet = new XmlSchemaPatternFacet();
 103                         guidFacet.Value = "[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}";
 104                         nameCache.Add (typeof (Guid), new TypeData (typeof (Guid), "guid", true, (TypeData)nameCache[typeof (string)], guidFacet));
 105 #endif
 106                         nameCache.Add (typeof (byte), new TypeData (typeof (byte), "unsignedByte", true));
 107                         nameCache.Add (typeof (sbyte), new TypeData (typeof (sbyte), "byte", true));
 108                         nameCache.Add (typeof (char), new TypeData (typeof (char), "char", true, (TypeData)nameCache[typeof (ushort)], null));
 109                         nameCache.Add (typeof (object), new TypeData (typeof (object), "anyType", false));
 110                         nameCache.Add (typeof (byte[]), new TypeData (typeof (byte[]), "base64Binary", true));
 111 #if !MOONLIGHT
 112                         nameCache.Add (typeof (XmlNode), new TypeData (typeof (XmlNode), "XmlNode", false));
 113                         nameCache.Add (typeof (XmlElement), new TypeData (typeof (XmlElement), "XmlElement", false));
 114 #endif
 115
 116                         primitiveTypes = new Hashtable();
 117                         ICollection types = nameCache.Values;
 118                         foreach (TypeData td in types)
 119                                 primitiveTypes.Add (td.XmlType, td);
 120
 121                         // Additional XSD types
 122
 123                         primitiveTypes.Add ("date", new TypeData (typeof (DateTime), "date", true));    // TODO: timeInstant
 124                         primitiveTypes.Add ("time", new TypeData (typeof (DateTime), "time", true));
 125                         primitiveTypes.Add ("timePeriod", new TypeData (typeof (DateTime), "timePeriod", true));
 126                         primitiveTypes.Add ("gDay", new TypeData (typeof (string), "gDay", true));
 127                         primitiveTypes.Add ("gMonthDay", new TypeData (typeof (string), "gMonthDay", true));
 128                         primitiveTypes.Add ("gYear", new TypeData (typeof (string), "gYear", true));
 129                         primitiveTypes.Add ("gYearMonth", new TypeData (typeof (string), "gYearMonth", true));
 130                         primitiveTypes.Add ("month", new TypeData (typeof (DateTime), "month", true));
 131                         primitiveTypes.Add ("NMTOKEN", new TypeData (typeof (string), "NMTOKEN", true));
 132                         primitiveTypes.Add ("NMTOKENS", new TypeData (typeof (string), "NMTOKENS", true));
 133                         primitiveTypes.Add ("Name", new TypeData (typeof (string), "Name", true));
 134                         primitiveTypes.Add ("NCName", new TypeData (typeof (string), "NCName", true));
 135                         primitiveTypes.Add ("language", new TypeData (typeof (string), "language", true));
 136                         primitiveTypes.Add ("integer", new TypeData (typeof (string), "integer", true));
 137                         primitiveTypes.Add ("positiveInteger", new TypeData (typeof (string), "positiveInteger", true));
 138                         primitiveTypes.Add ("nonPositiveInteger", new TypeData (typeof (string), "nonPositiveInteger", true));
 139                         primitiveTypes.Add ("negativeInteger", new TypeData (typeof (string), "negativeInteger", true));
 140                         primitiveTypes.Add ("nonNegativeInteger", new TypeData (typeof (string), "nonNegativeInteger", true));
 141                         primitiveTypes.Add ("ENTITIES", new TypeData (typeof (string), "ENTITIES", true));
 142                         primitiveTypes.Add ("ENTITY", new TypeData (typeof (string), "ENTITY", true));
 143                         primitiveTypes.Add ("hexBinary", new TypeData (typeof (byte[]), "hexBinary", true));
 144                         primitiveTypes.Add ("ID", new TypeData (typeof (string), "ID", true));
 145                         primitiveTypes.Add ("IDREF", new TypeData (typeof (string), "IDREF", true));
 146                         primitiveTypes.Add ("IDREFS", new TypeData (typeof (string), "IDREFS", true));
 147                         primitiveTypes.Add ("NOTATION", new TypeData (typeof (string), "NOTATION", true));
 148                         primitiveTypes.Add ("token", new TypeData (typeof (string), "token", true));
 149                         primitiveTypes.Add ("normalizedString", new TypeData (typeof (string), "normalizedString", true));
 150                         primitiveTypes.Add ("anyURI", new TypeData (typeof (string), "anyURI", true));
 151                         primitiveTypes.Add ("base64", new TypeData (typeof (byte[]), "base64", true));
 152                         primitiveTypes.Add ("duration", new TypeData (typeof (string), "duration", true));
 153
 154 #if NET_2_0
 155                         nullableTypes = Hashtable.Synchronized(new Hashtable ());
 156                         foreach (DictionaryEntry de in primitiveTypes) {
 157                                 TypeData td = (TypeData) de.Value;
 158                                 TypeData ntd = new TypeData (td.Type, td.XmlType, true);
 159                                 ntd.IsNullable = true;
 160                                 nullableTypes.Add (de.Key, ntd);
 161                         }
 162 #endif
 163                 }
 164
 165                 public static TypeData GetTypeData (Type type)
 166                 {
 167                         return GetTypeData (type, null);
 168                 }
 169
 170                 public static TypeData GetTypeData (Type runtimeType, string xmlDataType)
 171                 {
 172                         Type type = runtimeType;
 173                         bool nullableOverride = false;
 174 #if NET_2_0
 175                         // Nullable<T> is serialized as T
 176                         if (type.IsGenericType && type.GetGenericTypeDefinition () == typeof (Nullable<>)) {
 177                                 nullableOverride = true;
 178                                 type = type.GetGenericArguments () [0];
 179                         }
 180
 181
 182                         if ((xmlDataType != null) && (xmlDataType.Length != 0)) {
 183                                 // If the type is an array, xmlDataType specifies the type for the array elements,
 184                                 // not for the whole array. The exception is base64Binary, since it is a byte[],
 185                                 // that's why the following check is needed.
 186                                 TypeData at = GetPrimitiveTypeData (xmlDataType);
 187                                 if (type.IsArray && type != at.Type) {
 188                                                 TypeData tt = (TypeData) primitiveArrayTypes [xmlDataType];
 189                                                 if (tt != null)
 190                                                         return tt;
 191                                                 if (at.Type == type.GetElementType ()) {
 192                                                         tt = new TypeData (type, GetArrayName (at.XmlType), false);
 193                                                         primitiveArrayTypes [xmlDataType] = tt;
 194                                                         return tt;
 195                                                 }
 196                                                 else
 197                                                         throw new InvalidOperationException ("Cannot convert values of type '" + type.GetElementType () + "' to '" + xmlDataType + "'");
 198                                 }
 199                                 if (nullableOverride){
 200                                         TypeData tt = (TypeData) nullableTypes [at.XmlType];
 201                                         if (tt == null){
 202                                                 tt = new TypeData (type, at.XmlType, false);
 203                                                 tt.IsNullable = true;
 204                                                 nullableTypes [at.XmlType] = tt;
 205                                         }
 206                                         return tt;
 207                                 }
 208                                 return at;
 209                         }
 210
 211                         if (nullableOverride){
 212                                 TypeData pt = GetTypeData (type); // beware this recursive call btw ...
 213                                 if (pt != null) {
 214                                                 TypeData tt = (TypeData) nullableTypes [pt.XmlType];
 215 #if TARGET_JVM
 216                                                 if (tt == null)
 217                                                         tt = (TypeData) AppDomain_nullableTypes [pt.XmlType];
 218 #endif
 219                                                 if (tt == null) {
 220                                                         tt = new TypeData (type, pt.XmlType, false);
 221                                                         tt.IsNullable = true;
 222 #if TARGET_JVM
 223                                                         AppDomain_nullableTypes [pt.XmlType] = tt;
 224 #else
 225                                                         nullableTypes [pt.XmlType] = tt;
 226 #endif
 227                                                 }
 228                                                 return tt;
 229                                 }
 230                         }
 231 #endif
 232
 233                                 TypeData typeData = nameCache[runtimeType] as TypeData;
 234                                 if (typeData != null) return typeData;
 235
 236 #if TARGET_JVM
 237                                 Hashtable dynamicCache = AppDomain_nameCache;
 238                                 typeData = dynamicCache[runtimeType] as TypeData;
 239                                 if (typeData != null) return typeData;
 240 #endif
 241
 242                                 string name;
 243                                 if (type.IsArray) {
 244                                         string sufix = GetTypeData (type.GetElementType ()).XmlType;
 245                                         name = GetArrayName (sufix);
 246                                 }
 247 #if NET_2_0
 248                                 else if (type.IsGenericType && !type.IsGenericTypeDefinition) {
 249                                         name = XmlConvert.EncodeLocalName (type.Name.Substring (0, type.Name.IndexOf ('`'))) + "Of";
 250                                         foreach (Type garg in type.GetGenericArguments ())
 251                                                 name += garg.IsArray || garg.IsGenericType ?
 252                                                         GetTypeData (garg).XmlType :
 253                                                         CodeIdentifier.MakePascal (XmlConvert.EncodeLocalName (garg.Name));
 254                                 }
 255 #endif
 256                                 else
 257                                         name = XmlConvert.EncodeLocalName (type.Name);
 258
 259                                 typeData = new TypeData (type, name, false);
 260                                 if (nullableOverride)
 261                                         typeData.IsNullable = true;
 262 #if TARGET_JVM
 263                                 dynamicCache[runtimeType] = typeData;
 264 #else
 265                                 nameCache[runtimeType] = typeData;
 266 #endif
 267                                 return typeData;
 268                 }
 269
 270                 public static bool IsPrimitive (Type type)
 271                 {
 272                         return GetTypeData (type).SchemaType == SchemaTypes.Primitive;
 273                 }
 274
 275                 public static TypeData GetPrimitiveTypeData (string typeName)
 276                 {
 277                         return GetPrimitiveTypeData (typeName, false);
 278                 }
 279
 280                 public static TypeData GetPrimitiveTypeData (string typeName, bool nullable)
 281                 {
 282                         TypeData td = (TypeData) primitiveTypes [typeName];
 283                         if (td != null && !td.Type.IsValueType)
 284                                 return td;
 285                         // for 1.x profile, 'nullableTypes' is null
 286                         Hashtable table = nullable && nullableTypes != null ? nullableTypes : primitiveTypes;
 287                         td = (TypeData) table [typeName];
 288                         if (td == null) throw new NotSupportedException ("Data type '" + typeName + "' not supported");
 289                         return td;
 290                 }
 291
 292                 public static TypeData FindPrimitiveTypeData (string typeName)
 293                 {
 294                         return (TypeData) primitiveTypes[typeName];
 295                 }
 296
 297                 public static TypeData GetDefaultPrimitiveTypeData (TypeData primType)
 298                 {
 299                         // Returns the TypeData that is mapped by default to the clr type
 300                         // that primType represents
 301
 302                         if (primType.SchemaType == SchemaTypes.Primitive)
 303                         {
 304                                 TypeData newPrim = GetTypeData (primType.Type, null);
 305                                 if (newPrim != primType) return newPrim;
 306                         }
 307                         return primType;
 308                 }
 309
 310                 public static bool IsDefaultPrimitiveTpeData (TypeData primType)
 311                 {
 312                         return GetDefaultPrimitiveTypeData (primType) == primType;
 313                 }
 314
 315                 public static TypeData CreateCustomType (string typeName, string fullTypeName, string xmlType, SchemaTypes schemaType, TypeData listItemTypeData)
 316                 {
 317                         TypeData td = new TypeData (typeName, fullTypeName, xmlType, schemaType, listItemTypeData);
 318                         return td;
 319                 }
 320
 321                 public static string GetArrayName (string elemName)
 322                 {
 323                         return "ArrayOf" + Char.ToUpper (elemName [0], CultureInfo.InvariantCulture) + elemName.Substring (1);
 324                 }
 325
 326                 public static string GetArrayName (string elemName, int dimensions)
 327                 {
 328                         string aname = GetArrayName (elemName);
 329                         for ( ; dimensions > 1; dimensions--)
 330                                 aname = "ArrayOf" + aname;
 331                         return aname;
 332                 }
 333
 334                 public static void ParseArrayType (string arrayType, out string type, out string ns, out string dimensions)
 335                 {
 336                         int i = arrayType.LastIndexOf (":");
 337                         if (i == -1) ns = "";
 338                         else ns = arrayType.Substring (0,i);
 339
 340                         int j = arrayType.IndexOf ("[", i+1);
 341                         if (j == -1) throw new InvalidOperationException ("Cannot parse WSDL array type: " + arrayType);
 342                         type = arrayType.Substring (i+1, j-i-1);
 343                         dimensions = arrayType.Substring (j);
 344                 }
 345         }
 346 }