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 //
  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 Mono.Data.TdsClient;
  32 using System;
  33 using System.Data.SqlTypes;
  34 using System.Globalization;
  35
  36 namespace Mono.Data.TdsTypes {
  37         public struct TdsBinary : INullable, IComparable
  38         {
  39                 #region Fields
  40
  41                 byte[] value;
  42                 private bool notNull;
  43
  44                 public static readonly TdsBinary Null;
  45
  46                 #endregion
  47
  48                 #region Constructors
  49
  50                 public TdsBinary (byte[] value)
  51                 {
  52                         this.value = value;
  53                         notNull = true;
  54                 }
  55
  56                 #endregion
  57
  58                 #region Properties
  59
  60                 public bool IsNull {
  61                         get { return !notNull; }
  62                 }
  63
  64                 public byte this[int index] {
  65                         get {
  66                                 if (this.IsNull)
  67                                         throw new TdsNullValueException ("The property contains Null.");
  68                                 else if (index >= this.Length)
  69                                         throw new TdsNullValueException ("The index parameter indicates a position beyond the length of the byte array.");
  70                                 else
  71                                         return value [index];
  72                         }
  73                 }
  74
  75                 public int Length {
  76                         get {
  77                                 if (this.IsNull)
  78                                         throw new TdsNullValueException ("The property contains Null.");
  79                                 else
  80                                         return value.Length;
  81                         }
  82                 }
  83
  84                 public byte[] Value
  85                 {
  86                         get {
  87                                 if (this.IsNull)
  88                                         throw new TdsNullValueException ("The property contains Null.");
  89                                 else
  90                                         return value;
  91                         }
  92                 }
  93
  94                 #endregion
  95
  96                 #region Methods
  97
  98                 [MonoTODO]
  99                 public int CompareTo (object value)
 100                 {
 101                         throw new NotImplementedException ();
 102                 }
 103
 104                 public static TdsBinary Concat (TdsBinary x, TdsBinary y)
 105                 {
 106                         return (x + y);
 107                 }
 108
 109                 public override bool Equals (object value)
 110                 {
 111                         if (!(value is TdsBinary))
 112                                 return false;
 113                         else
 114                                 return (bool) (this == (TdsBinary)value);
 115                 }
 116
 117                 public static TdsBoolean Equals (TdsBinary x, TdsBinary y)
 118                 {
 119                         return (x == y);
 120                 }
 121
 122                 [MonoTODO]
 123                 public override int GetHashCode ()
 124                 {
 125                         throw new NotImplementedException ();
 126                 }
 127
 128                 #endregion
 129
 130                 #region Operators
 131
 132                 public static TdsBoolean GreaterThan (TdsBinary x, TdsBinary y)
 133                 {
 134                         return (x > y);
 135                 }
 136
 137                 public static TdsBoolean GreaterThanOrEqual (TdsBinary x, TdsBinary y)
 138                 {
 139                         return (x >= y);
 140                 }
 141
 142                 public static TdsBoolean LessThan (TdsBinary x, TdsBinary y)
 143                 {
 144                         return (x < y);
 145                 }
 146
 147                 public static TdsBoolean LessThanOrEqual (TdsBinary x, TdsBinary y)
 148                 {
 149                         return (x <= y);
 150                 }
 151
 152                 public static TdsBoolean NotEquals (TdsBinary x, TdsBinary y)
 153                 {
 154                         return (x != y);
 155                 }
 156
 157                 public TdsGuid ToTdsGuid ()
 158                 {
 159                         return new TdsGuid (value);
 160                 }
 161
 162                 public override string ToString ()
 163                 {
 164                         if (IsNull)
 165                                 return "null";
 166                         return String.Format ("TdsBinary ({0})", Length);
 167                 }
 168
 169                 #endregion
 170
 171                 #region Operators
 172
 173                 [MonoTODO]
 174                 public static TdsBinary operator + (TdsBinary x, TdsBinary y)
 175                 {
 176                         throw new NotImplementedException ();
 177                 }
 178
 179                 [MonoTODO]
 180                 public static TdsBoolean operator == (TdsBinary x, TdsBinary y)
 181                 {
 182                         if (x.IsNull || y.IsNull)
 183                                 return TdsBoolean.Null;
 184                         else
 185                                 throw new NotImplementedException ();
 186                 }
 187
 188                 [MonoTODO]
 189                 public static TdsBoolean operator > (TdsBinary x, TdsBinary y)
 190                 {
 191                         if (x.IsNull || y.IsNull)
 192                                 return TdsBoolean.Null;
 193                         else
 194                                 throw new NotImplementedException ();
 195                 }
 196
 197                 [MonoTODO]
 198                 public static TdsBoolean operator >= (TdsBinary x, TdsBinary y)
 199                 {
 200                         if (x.IsNull || y.IsNull)
 201                                 return TdsBoolean.Null;
 202                         else
 203                                 throw new NotImplementedException ();
 204                 }
 205
 206                 [MonoTODO]
 207                 public static TdsBoolean operator != (TdsBinary x, TdsBinary y)
 208                 {
 209                         if (x.IsNull || y.IsNull)
 210                                 return TdsBoolean.Null;
 211                         else
 212                                 throw new NotImplementedException ();
 213                 }
 214
 215                 [MonoTODO]
 216                 public static TdsBoolean operator < (TdsBinary x, TdsBinary y)
 217                 {
 218                         if (x.IsNull || y.IsNull)
 219                                 return TdsBoolean.Null;
 220                         else
 221                                 throw new NotImplementedException ();
 222                 }
 223
 224                 [MonoTODO]
 225                 public static TdsBoolean operator <= (TdsBinary x, TdsBinary y)
 226                 {
 227                         if (x.IsNull || y.IsNull)
 228                                 return TdsBoolean.Null;
 229                         else
 230                                 throw new NotImplementedException ();
 231                 }
 232
 233                 public static explicit operator byte[] (TdsBinary x)
 234                 {
 235                         return x.Value;
 236                 }
 237
 238                 [MonoTODO]
 239                 public static explicit operator TdsBinary (TdsGuid x)
 240                 {
 241                         throw new NotImplementedException ();
 242                 }
 243
 244                 public static implicit operator TdsBinary (byte[] x)
 245                 {
 246                         return new TdsBinary (x);
 247                 }
 248
 249                 #endregion
 250         }
 251 }