mcs/class/Mono.Data.TdsClient/Mono.Data.TdsTypes/TdsBinary.cs

   1 //
   2 // Mono.Data.TdsTypes.TdsBinary
   3 //
   4 // Author:
   5 //   Tim Coleman (tim@timcoleman.com)
   6 //
   7 // (C) Copyright Tim Coleman, 2002
   8 //
   9
  10 using Mono.Data.TdsClient;
  11 using System;
  12 using System.Data.SqlTypes;
  13 using System.Globalization;
  14
  15 namespace Mono.Data.TdsTypes {
  16         public struct TdsBinary : INullable, IComparable
  17         {
  18                 #region Fields
  19
  20                 byte[] value;
  21                 private bool notNull;
  22
  23                 public static readonly TdsBinary Null;
  24
  25                 #endregion
  26
  27                 #region Constructors
  28
  29                 public TdsBinary (byte[] value)
  30                 {
  31                         this.value = value;
  32                         notNull = true;
  33                 }
  34
  35                 #endregion
  36
  37                 #region Properties
  38
  39                 public bool IsNull {
  40                         get { return !notNull; }
  41                 }
  42
  43                 public byte this[int index] {
  44                         get {
  45                                 if (this.IsNull)
  46                                         throw new TdsNullValueException ("The property contains Null.");
  47                                 else if (index >= this.Length)
  48                                         throw new TdsNullValueException ("The index parameter indicates a position beyond the length of the byte array.");
  49                                 else
  50                                         return value [index];
  51                         }
  52                 }
  53
  54                 public int Length {
  55                         get {
  56                                 if (this.IsNull)
  57                                         throw new TdsNullValueException ("The property contains Null.");
  58                                 else
  59                                         return value.Length;
  60                         }
  61                 }
  62
  63                 public byte[] Value
  64                 {
  65                         get {
  66                                 if (this.IsNull)
  67                                         throw new TdsNullValueException ("The property contains Null.");
  68                                 else
  69                                         return value;
  70                         }
  71                 }
  72
  73                 #endregion
  74
  75                 #region Methods
  76
  77                 [MonoTODO]
  78                 public int CompareTo (object value)
  79                 {
  80                         throw new NotImplementedException ();
  81                 }
  82
  83                 public static TdsBinary Concat (TdsBinary x, TdsBinary y)
  84                 {
  85                         return (x + y);
  86                 }
  87
  88                 public override bool Equals (object value)
  89                 {
  90                         if (!(value is TdsBinary))
  91                                 return false;
  92                         else
  93                                 return (bool) (this == (TdsBinary)value);
  94                 }
  95
  96                 public static TdsBoolean Equals (TdsBinary x, TdsBinary y)
  97                 {
  98                         return (x == y);
  99                 }
 100
 101                 [MonoTODO]
 102                 public override int GetHashCode ()
 103                 {
 104                         throw new NotImplementedException ();
 105                 }
 106
 107                 #endregion
 108
 109                 #region Operators
 110
 111                 public static TdsBoolean GreaterThan (TdsBinary x, TdsBinary y)
 112                 {
 113                         return (x > y);
 114                 }
 115
 116                 public static TdsBoolean GreaterThanOrEqual (TdsBinary x, TdsBinary y)
 117                 {
 118                         return (x >= y);
 119                 }
 120
 121                 public static TdsBoolean LessThan (TdsBinary x, TdsBinary y)
 122                 {
 123                         return (x < y);
 124                 }
 125
 126                 public static TdsBoolean LessThanOrEqual (TdsBinary x, TdsBinary y)
 127                 {
 128                         return (x <= y);
 129                 }
 130
 131                 public static TdsBoolean NotEquals (TdsBinary x, TdsBinary y)
 132                 {
 133                         return (x != y);
 134                 }
 135
 136                 public TdsGuid ToTdsGuid ()
 137                 {
 138                         return new TdsGuid (value);
 139                 }
 140
 141                 public override string ToString ()
 142                 {
 143                         if (IsNull)
 144                                 return "null";
 145                         return String.Format ("TdsBinary ({0})", Length);
 146                 }
 147
 148                 #endregion
 149
 150                 #region Operators
 151
 152                 [MonoTODO]
 153                 public static TdsBinary operator + (TdsBinary x, TdsBinary y)
 154                 {
 155                         throw new NotImplementedException ();
 156                 }
 157
 158                 [MonoTODO]
 159                 public static TdsBoolean operator == (TdsBinary x, TdsBinary y)
 160                 {
 161                         if (x.IsNull || y.IsNull)
 162                                 return TdsBoolean.Null;
 163                         else
 164                                 throw new NotImplementedException ();
 165                 }
 166
 167                 [MonoTODO]
 168                 public static TdsBoolean operator > (TdsBinary x, TdsBinary y)
 169                 {
 170                         if (x.IsNull || y.IsNull)
 171                                 return TdsBoolean.Null;
 172                         else
 173                                 throw new NotImplementedException ();
 174                 }
 175
 176                 [MonoTODO]
 177                 public static TdsBoolean operator >= (TdsBinary x, TdsBinary y)
 178                 {
 179                         if (x.IsNull || y.IsNull)
 180                                 return TdsBoolean.Null;
 181                         else
 182                                 throw new NotImplementedException ();
 183                 }
 184
 185                 [MonoTODO]
 186                 public static TdsBoolean operator != (TdsBinary x, TdsBinary y)
 187                 {
 188                         if (x.IsNull || y.IsNull)
 189                                 return TdsBoolean.Null;
 190                         else
 191                                 throw new NotImplementedException ();
 192                 }
 193
 194                 [MonoTODO]
 195                 public static TdsBoolean operator < (TdsBinary x, TdsBinary y)
 196                 {
 197                         if (x.IsNull || y.IsNull)
 198                                 return TdsBoolean.Null;
 199                         else
 200                                 throw new NotImplementedException ();
 201                 }
 202
 203                 [MonoTODO]
 204                 public static TdsBoolean operator <= (TdsBinary x, TdsBinary y)
 205                 {
 206                         if (x.IsNull || y.IsNull)
 207                                 return TdsBoolean.Null;
 208                         else
 209                                 throw new NotImplementedException ();
 210                 }
 211
 212                 public static explicit operator byte[] (TdsBinary x)
 213                 {
 214                         return x.Value;
 215                 }
 216
 217                 [MonoTODO]
 218                 public static explicit operator TdsBinary (TdsGuid x)
 219                 {
 220                         throw new NotImplementedException ();
 221                 }
 222
 223                 public static implicit operator TdsBinary (byte[] x)
 224                 {
 225                         return new TdsBinary (x);
 226                 }
 227
 228                 #endregion
 229         }
 230 }