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 ()
  52                 {
  53                 }
  54
  55                 internal TextInfo (CultureInfo ci, int lcid)
  56                 {
  57                         this.m_win32LangID = lcid;
  58                         this.ci = ci;
  59                 }
  60
  61                 [MonoTODO]
  62                 public virtual int ANSICodePage
  63                 {
  64                         get {
  65                                 return 0;
  66                         }
  67                 }
  68
  69                 [MonoTODO]
  70                 public virtual int EBCDICCodePage
  71                 {
  72                         get {
  73                                 return 0;
  74                         }
  75                 }
  76
  77                 [MonoTODO]
  78                 public virtual string ListSeparator
  79                 {
  80                         get {
  81                                 return ",";
  82                         }
  83                 }
  84
  85                 [MonoTODO]
  86                 public virtual int MacCodePage
  87                 {
  88                         get {
  89                                 return 0;
  90                         }
  91                 }
  92
  93                 [MonoTODO]
  94                 public virtual int OEMCodePage
  95                 {
  96                         get {
  97                                 return 0;
  98                         }
  99                 }
 100
 101                 public override bool Equals (object obj)
 102                 {
 103                         if (obj == null)
 104                                 return false;
 105                         TextInfo other = obj as TextInfo;
 106                         if (other == null)
 107                                 return false;
 108                         if (other.m_win32LangID != m_win32LangID)
 109                                 return false;
 110                         if (other.ci != ci)
 111                                 return false;
 112                         return true;
 113                 }
 114
 115                 public override int GetHashCode()
 116                 {
 117                         return (m_win32LangID);
 118                 }
 119
 120                 public virtual char ToLower(char c)
 121                 {
 122                         return Char.ToLower (c);
 123                 }
 124
 125                 public virtual string ToLower(string str)
 126                 {
 127                         if(str==null)
 128                                 throw new ArgumentNullException("string is null");
 129
 130                         return str.ToLower (ci);
 131                 }
 132
 133                 public override string ToString()
 134                 {
 135                         return "TextInfo - " + m_win32LangID;
 136                 }
 137
 138                 public string ToTitleCase (string str)
 139                 {
 140                         if(str == null)
 141                                 throw new ArgumentNullException("string is null");
 142
 143                         Text.StringBuilder s = new Text.StringBuilder ();
 144                         bool space_seen = true;
 145
 146                         for (int i = 0; i < str.Length; i ++){
 147                                 char c = str [i];
 148                                 if (Char.IsLetter (c)){
 149                                         if (space_seen)
 150                                                 s.Append (Char.ToUpper (c, ci));
 151                                         else
 152                                                 s.Append (Char.ToLower (c, ci));
 153                                         space_seen = false;
 154                                 } else {
 155                                         s.Append (c);
 156                                         if (Char.IsWhiteSpace (c))
 157                                                 space_seen = true;
 158                                 }
 159                         }
 160
 161                         return s.ToString ();
 162                 }
 163
 164                 public virtual char ToUpper (char c)
 165                 {
 166                         return Char.ToUpper (c, ci);
 167                 }
 168
 169                 public virtual string ToUpper (string str)
 170                 {
 171                         if(str==null)
 172                                 throw new ArgumentNullException("string is null");
 173
 174                         return str.ToUpper (ci);
 175                 }
 176
 177                 /* IDeserialization interface */
 178                 [MonoTODO]
 179                 void IDeserializationCallback.OnDeserialization(object sender)
 180                 {
 181                 }
 182         }
 183 }