mcs/class/corlib/System/UInt64.cs

   1 //
   2 // System.UInt64.cs
   3 //
   4 // Author:
   5 //   Miguel de Icaza (miguel@ximian.com)
   6 //
   7 // (C) Ximian, Inc.  http://www.ximian.com
   8 //
   9
  10 using System.Globalization;
  11
  12 namespace System {
  13
  14         [CLSCompliant(false)]
  15         public struct UInt64 : IComparable, IFormattable { //, IConvertible {
  16                 private static Type Type = typeof (ulong);
  17
  18                 public const ulong MaxValue = 0xffffffffffffffff;
  19                 public const ulong MinValue = 0;
  20
  21                 public ulong value;
  22
  23                 public int CompareTo (object v)
  24                 {
  25                         if (v == null)
  26                                 return 1;
  27
  28                         if (!(v is System.UInt64))
  29                                 throw new ArgumentException (Locale.GetText ("Value is not a System.UInt64"));
  30
  31                         if (value == (ulong) v)
  32                                 return 0;
  33
  34                         if (value < (ulong) v)
  35                                 return -1;
  36
  37                         return 1;
  38                 }
  39
  40                 public override bool Equals (object o)
  41                 {
  42                         if (!(o is System.UInt64))
  43                                 return false;
  44
  45                         return ((ulong) o) == value;
  46                 }
  47
  48                 public override int GetHashCode ()
  49                 {
  50                         return (int)(value & 0xffffffff) ^ (int)(value >> 32);
  51                 }
  52
  53                 public static ulong Parse (string s)
  54                 {
  55                         return Parse (s, NumberStyles.Integer, null);
  56                 }
  57
  58                 public static ulong Parse (string s, IFormatProvider fp)
  59                 {
  60                         return Parse (s, NumberStyles.Integer, fp);
  61                 }
  62
  63                 public static ulong Parse (string s, NumberStyles style)
  64                 {
  65                         return Parse (s, style, null);
  66                 }
  67
  68                 public static ulong Parse (string s, NumberStyles style, IFormatProvider fp)
  69                 {
  70                         // TODO: Implement me
  71                         throw new NotImplementedException ();
  72                 }
  73
  74                 public override string ToString ()
  75                 {
  76                         return ToString ("G", null);
  77                 }
  78
  79                 public string ToString (IFormatProvider fp)
  80                 {
  81                         return ToString ("G", fp);
  82                 }
  83
  84                 public string ToString (string format)
  85                 {
  86                         return ToString (format, null);
  87                 }
  88
  89                 public string ToString (string format, IFormatProvider fp)
  90                 {
  91                         string fmt;
  92                         NumberFormatInfo nfi;
  93
  94                         fmt = (format == null) ? "G" : format;
  95
  96                         if (fp == null)
  97                                 nfi = NumberFormatInfo.CurrentInfo;
  98                         else {
  99                                 nfi = (NumberFormatInfo) fp.GetFormat (Type);
 100
 101                                 if (nfi == null)
 102                                         nfi = NumberFormatInfo.CurrentInfo;
 103                         }
 104
 105                         return IntegerFormatter.NumberToString (fmt, nfi, value);
 106                 }
 107
 108                 // =========== IConvertible Methods =========== //
 109
 110                 public TypeCode GetTypeCode ()
 111                 {
 112                         return TypeCode.UInt64;
 113                 }
 114         }
 115 }