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

   1 //
   2 // System.Xml.Serialization.CodeIdentifiers
   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;
  32 using System.Collections;
  33 using System.Globalization;
  34
  35 namespace System.Xml.Serialization {
  36         public class CodeIdentifiers {
  37
  38                 #region Fields
  39
  40                 bool useCamelCasing;
  41                 Hashtable table;
  42                 Hashtable reserved;
  43
  44                 #endregion
  45
  46                 #region Constructors
  47
  48                 public CodeIdentifiers ()
  49                         : this (true)
  50                 {
  51                 }
  52
  53 #if NET_2_0
  54                 public
  55 #else
  56                 private
  57 #endif
  58                 CodeIdentifiers (bool caseSensitive)
  59                 {
  60 #if NET_2_0
  61                         StringComparer c = caseSensitive ?
  62                                 StringComparer.Ordinal :
  63                                 StringComparer.OrdinalIgnoreCase;
  64                         table = new Hashtable (c);
  65                         reserved = new Hashtable (c);
  66 #else
  67                         table = new Hashtable ();
  68                         reserved = new Hashtable ();
  69 #endif
  70                 }
  71
  72                 #endregion // Constructors
  73
  74                 #region Properties
  75
  76                 public bool UseCamelCasing {
  77                         get { return useCamelCasing; }
  78                         set { useCamelCasing = value; }
  79                 }
  80
  81                 #endregion // Properties
  82
  83                 #region Methods
  84
  85                 public void Add (string identifier, object value)
  86                 {
  87                         table.Add (identifier, value);
  88                 }
  89
  90                 public void AddReserved (string identifier)
  91                 {
  92                         reserved.Add (identifier, identifier);
  93                 }
  94
  95                 public string AddUnique (string identifier, object value)
  96                 {
  97                         string unique = MakeUnique (identifier);
  98                         Add (unique, value);
  99                         return unique;
 100                 }
 101
 102                 public void Clear ()
 103                 {
 104                         table.Clear ();
 105                 }
 106
 107                 public bool IsInUse (string identifier)
 108                 {
 109                         return (table.ContainsKey (identifier) || reserved.ContainsKey (identifier));
 110                 }
 111
 112                 public string MakeRightCase (string identifier)
 113                 {
 114                         if (UseCamelCasing)
 115                                 return CodeIdentifier.MakeCamel (identifier);
 116                         else
 117                                 return CodeIdentifier.MakePascal (identifier);
 118                 }
 119
 120                 public string MakeUnique (string identifier)
 121                 {
 122                         string uniqueIdentifier = identifier;
 123                         int i = 1;
 124
 125                         while (IsInUse (uniqueIdentifier)) {
 126                                 uniqueIdentifier = String.Format (CultureInfo.InvariantCulture, "{0}{1}", identifier, i);
 127                                 i += 1;
 128                         }
 129
 130                         return uniqueIdentifier;
 131                 }
 132
 133                 public void Remove (string identifier)
 134                 {
 135                         table.Remove (identifier);
 136                 }
 137
 138                 public void RemoveReserved (string identifier)
 139                 {
 140                         reserved.Remove (identifier);
 141                 }
 142
 143                 public object ToArray (Type type)
 144                 {
 145                         Array list = Array.CreateInstance (type, table.Count);
 146                         table.CopyTo (list, 0);
 147                         return list;
 148                 }
 149
 150                 #endregion // Methods
 151         }
 152 }