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                 public
  54                 CodeIdentifiers (bool caseSensitive)
  55                 {
  56                         StringComparer c = caseSensitive ?
  57                                 StringComparer.Ordinal :
  58                                 StringComparer.OrdinalIgnoreCase;
  59                         table = new Hashtable (c);
  60                         reserved = new Hashtable (c);
  61                 }
  62
  63                 #endregion // Constructors
  64
  65                 #region Properties
  66
  67                 public bool UseCamelCasing {
  68                         get { return useCamelCasing; }
  69                         set { useCamelCasing = value; }
  70                 }
  71
  72                 #endregion // Properties
  73
  74                 #region Methods
  75
  76                 public void Add (string identifier, object value)
  77                 {
  78                         table.Add (identifier, value);
  79                 }
  80
  81                 public void AddReserved (string identifier)
  82                 {
  83                         reserved.Add (identifier, identifier);
  84                 }
  85
  86                 public string AddUnique (string identifier, object value)
  87                 {
  88                         string unique = MakeUnique (identifier);
  89                         Add (unique, value);
  90                         return unique;
  91                 }
  92
  93                 public void Clear ()
  94                 {
  95                         table.Clear ();
  96                 }
  97
  98                 public bool IsInUse (string identifier)
  99                 {
 100                         return (table.ContainsKey (identifier) || reserved.ContainsKey (identifier));
 101                 }
 102
 103                 public string MakeRightCase (string identifier)
 104                 {
 105                         if (UseCamelCasing)
 106                                 return CodeIdentifier.MakeCamel (identifier);
 107                         else
 108                                 return CodeIdentifier.MakePascal (identifier);
 109                 }
 110
 111                 public string MakeUnique (string identifier)
 112                 {
 113                         string uniqueIdentifier = identifier;
 114                         int i = 1;
 115
 116                         while (IsInUse (uniqueIdentifier)) {
 117                                 uniqueIdentifier = String.Format (CultureInfo.InvariantCulture, "{0}{1}", identifier, i);
 118                                 i += 1;
 119                         }
 120
 121                         return uniqueIdentifier;
 122                 }
 123
 124                 public void Remove (string identifier)
 125                 {
 126                         table.Remove (identifier);
 127                 }
 128
 129                 public void RemoveReserved (string identifier)
 130                 {
 131                         reserved.Remove (identifier);
 132                 }
 133
 134                 public object ToArray (Type type)
 135                 {
 136                         Array list = Array.CreateInstance (type, table.Count);
 137                         table.CopyTo (list, 0);
 138                         return list;
 139                 }
 140
 141                 #endregion // Methods
 142         }
 143 }