mcs/class/corlib/System.Globalization/TextInfo.cs

   1 //
   2 // System.Globalization.TextInfo.cs
   3 //
   4 // Author:
   5 //      Dick Porter (dick@ximian.com)
   6 //      Duncan Mak (duncan@ximian.com)
   7 //
   8 // (C) 2002 Ximian, Inc.
   9 //
  10 // TODO:
  11 //   Missing the various code page mappings.
  12 //   Missing the OnDeserialization implementation.
  13 //
  14 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  15 //
  16 // Permission is hereby granted, free of charge, to any person obtaining
  17 // a copy of this software and associated documentation files (the
  18 // "Software"), to deal in the Software without restriction, including
  19 // without limitation the rights to use, copy, modify, merge, publish,
  20 // distribute, sublicense, and/or sell copies of the Software, and to
  21 // permit persons to whom the Software is furnished to do so, subject to
  22 // the following conditions:
  23 //
  24 // The above copyright notice and this permission notice shall be
  25 // included in all copies or substantial portions of the Software.
  26 //
  27 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  28 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  29 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  30 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  31 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  32 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  33 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  34 //
  35 using System;
  36 using System.Globalization;
  37 using System.Runtime.Serialization;
  38
  39 namespace System.Globalization {
  40
  41         [Serializable]
  42         public class TextInfo: IDeserializationCallback
  43         {
  44                 int m_win32LangID;
  45                 int m_nDataItem;
  46                 bool m_useUserOverride;
  47
  48                 [NonSerialized]
  49                 CultureInfo ci;
  50
  51                 internal TextInfo (CultureInfo ci, int lcid)
  52                 {
  53                         this.m_win32LangID = lcid;
  54                         this.ci = ci;
  55                 }
  56
  57                 [MonoTODO]
  58                 public virtual int ANSICodePage
  59                 {
  60                         get {
  61                                 return 0;
  62                         }
  63                 }
  64
  65                 [MonoTODO]
  66                 public virtual int EBCDICCodePage
  67                 {
  68                         get {
  69                                 return 0;
  70                         }
  71                 }
  72
  73                 [MonoTODO]
  74                 public virtual string ListSeparator
  75                 {
  76                         get {
  77                                 return ",";
  78                         }
  79                 }
  80
  81                 [MonoTODO]
  82                 public virtual int MacCodePage
  83                 {
  84                         get {
  85                                 return 0;
  86                         }
  87                 }
  88
  89                 [MonoTODO]
  90                 public virtual int OEMCodePage
  91                 {
  92                         get {
  93                                 return 0;
  94                         }
  95                 }
  96
  97                 public override bool Equals (object obj)
  98                 {
  99                         if (obj == null)
 100                                 return false;
 101                         TextInfo other = obj as TextInfo;
 102                         if (other == null)
 103                                 return false;
 104                         if (other.m_win32LangID != m_win32LangID)
 105                                 return false;
 106                         if (other.ci != ci)
 107                                 return false;
 108                         return true;
 109                 }
 110
 111                 public override int GetHashCode()
 112                 {
 113                         return (m_win32LangID);
 114                 }
 115
 116                 public virtual char ToLower(char c)
 117                 {
 118                         return Char.ToLower (c);
 119                 }
 120
 121                 public virtual string ToLower(string str)
 122                 {
 123                         if(str==null)
 124                                 throw new ArgumentNullException("string is null");
 125
 126                         return str.ToLower (ci);
 127                 }
 128
 129                 public override string ToString()
 130                 {
 131                         return "TextInfo - " + m_win32LangID;
 132                 }
 133
 134                 public string ToTitleCase (string str)
 135                 {
 136                         if(str == null)
 137                                 throw new ArgumentNullException("string is null");
 138
 139                         Text.StringBuilder s = new Text.StringBuilder ();
 140                         bool space_seen = true;
 141
 142                         for (int i = 0; i < str.Length; i ++){
 143                                 char c = str [i];
 144                                 if (Char.IsLetter (c)){
 145                                         if (space_seen)
 146                                                 s.Append (Char.ToUpper (c, ci));
 147                                         else
 148                                                 s.Append (Char.ToLower (c, ci));
 149                                         space_seen = false;
 150                                 } else {
 151                                         s.Append (c);
 152                                         if (Char.IsWhiteSpace (c))
 153                                                 space_seen = true;
 154                                 }
 155                         }
 156
 157                         return s.ToString ();
 158                 }
 159
 160                 public virtual char ToUpper (char c)
 161                 {
 162                         return Char.ToUpper (c, ci);
 163                 }
 164
 165                 public virtual string ToUpper (string str)
 166                 {
 167                         if(str==null)
 168                                 throw new ArgumentNullException("string is null");
 169
 170                         return str.ToUpper (ci);
 171                 }
 172
 173                 /* IDeserialization interface */
 174                 [MonoTODO]
 175                 void IDeserializationCallback.OnDeserialization(object sender)
 176                 {
 177                 }
 178         }
 179 }