mcs/class/corlib/System.Resources/ResourceManager.cs

   1 //
   2 // System.Resources.ResourceManager.cs
   3 //
   4 // Author:
   5 //      Duncan Mak (duncan@ximian.com)
   6 //
   7 // 2001 (C) Ximian, Inc. http://www.ximian.com
   8 //
   9
  10 using System.Collections;
  11 using System.Reflection;
  12 using System.Globalization;
  13
  14 namespace System.Resources {
  15            public class ResourceManager {
  16                          public static readonly int HeaderVersionNumber;
  17                          public static readonly int MagicNumber;
  18
  19                          protected string BaseNameField;
  20                          protected Assembly MainAssembly;
  21                          protected Hashtable Resourcesets;
  22
  23                          private bool ignoreCase;
  24                          private Type resourceSetType;
  25
  26                          // constructors
  27                          public ResourceManager () {}
  28
  29                          [MonoTODO]
  30                          public ResourceManager (Type resourceSource) {
  31                                     if (resourceSource == null)
  32                                                   throw new ArgumentNullException ("resourceSource is null.");
  33                                     resourceSetType = resourceSource; // TODO Incomplete
  34                          }
  35
  36                          [MonoTODO]
  37                          public ResourceManager (string baseName, Assembly assembly) {
  38                                     if (baseName == null || assembly == null)
  39                                                   throw new ArgumentNullException ("The arguments are null.");
  40                                     // TODO
  41                          }
  42                          public ResourceManager (string baseName, Assembly assembly, Type usingResourceSet) {
  43                                     if (baseName == null || assembly == null)
  44                                                   throw new ArgumentNullException ("The arguments are null.");
  45
  46                                     if (usingResourceSet != null)
  47                                                   if (!usingResourceSet.isSubclassOf (Typeof (ResourceSet)))
  48                                                          throw new ArgumentException ("Type must be derived from ResourceSet.");
  49                          }
  50
  51                          public static ResourceManager CreateFileBasedResourceManager (string baseName,
  52                                                                                                                            string resourceDir,
  53                                                                                                                            Type usingResourceSet) {}
  54
  55                          public virtual string BaseName { get { return BaseNameField; }}
  56
  57                          public virtual bool IgnoreCase {
  58                                     get { return ignoreCase; }
  59                                     set { ignoreCase = value; }
  60                          }
  61
  62                          public virtual Type ResourceSetType { get { return resourceSetType; }}
  63
  64                          public virtual ResourceSet GetResourceSet (CultureInfo culture,
  65                                                                                             bool createIfNotExists,
  66                                                                                             bool tryParents) {
  67                                     if (culture == null)
  68                                                   throw new ArgumentNullException ("CultureInfo is a null reference.");
  69                          }
  70
  71                          [MonoTODO]
  72                          public virtual string GetString (string name) {
  73                                     if (name == null)
  74                                                   throw new ArgumentNullException ("Name is null.");
  75                                     if (ResourceSets.Contains (name)) {
  76                                                   if (!ResourceSets[name] is string)
  77                                                                 throw new InvalidOperationException ("The resource is " +
  78                                                                                                      "not a string.");
  79                                                   return ResourceSets[name].ToString();
  80                                     }
  81                                     // TODO check for correctness.
  82                          }
  83
  84                          public virtual string GetString (string name, CultureInfo culture) {
  85                                     if (name == null)
  86                                                   throw new ArgumentNullException ("Name is null.");
  87                                 return name;
  88                          }
  89
  90                          [MonoTODO]
  91                          protected virtual string GetResourceFileName (CultureInfo culture) {
  92                                     return new culture.Name + ".resources"; // TODO check for correctness.
  93                          }
  94
  95                          protected virtual ResourceSet InternalGetResourceSet (CultureInfo culture,
  96                                                                                bool Createifnotexists,
  97                                                                                bool tryParents) {}
  98
  99                          public virtual void ReleaseAllResources () {
 100                                     foreach (ResourceSet r in ResourceSets)
 101                                                   r.Close();
 102                          }
 103
 104                          protected static CultureInfo GetNeutralResourcesLanguage (Assembly a) {
 105                                     foreach (Attribute attribute in a.GetCustomAttributes ()) {
 106                                                   if (attribute is NeutralResourcesLanguageAttribute)
 107                                                                 return new Cultureinfo (attribute.CultureName);
 108                                     }
 109                                     return null;
 110                          }
 111
 112                          public static Version GetSatelliteContractVersion (Assembly a) {
 113
 114                                     foreach (Attribute attribute in a.GetCustomAttributes ()) {
 115                                                   if (attribute is SatelliteContractVersionAttribute)
 116                                                                 return new Version (attribute.Version);
 117                                     }
 118                                     return null;
 119                          }
 120            }
 121 }