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1 using System;
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2 using System.Globalization;
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3 using System.Linq;
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4 using System.Runtime.InteropServices;
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5 using System.Runtime.Serialization;
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6 using System.Text;
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7 using JetBrains.Annotations;
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8
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9 namespace System
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10 {
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11 [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Enum | AttributeTargets.Delegate, Inherited = false)]
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12 class SerializableAttribute : Attribute
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13 {
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14 }
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15
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16 [ComVisible(true)]
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17 interface ICloneable
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18 {
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19 object Clone();
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20 }
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21
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22 namespace Collections
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23 {
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24 public class Comparer : IComparer
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25 {
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26 readonly CompareInfo _compareInfo;
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27
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28 public static readonly Comparer Default = new Comparer(CultureInfo.CurrentCulture);
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29 public static readonly Comparer DefaultInvariant = new Comparer(CultureInfo.InvariantCulture);
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30
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31 private const String CompareInfoName = "CompareInfo";
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32
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33 public Comparer([NotNull] CultureInfo culture)
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34 {
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35 if (culture == null) throw new ArgumentNullException("culture");
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36 _compareInfo = culture.CompareInfo;
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37 }
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38
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39 public int Compare(object a, object b)
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40 {
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41 if (a == b) return 0;
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42 if (a == null) return -1;
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43 if (b == null) return 1;
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44
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45 if (_compareInfo != null) {
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46 var sa = a as String;
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47 var sb = b as String;
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48
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49 if (sa != null && sb != null)
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50 return _compareInfo.Compare(sa, sb);
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51 }
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52
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53 var ia = a as IComparable;
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54
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55 if (ia != null)
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56 return ia.CompareTo(b);
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57
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58 throw new ArgumentException("Object should implement IComparable interface.");
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59 }
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60 }
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61
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62 namespace Generic
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63 {
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64 public static class Extensions
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65 {
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66 public static List<TOutput> ConvertAll<T,TOutput>(this List<T> input, Converter<T,TOutput> converter)
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67 {
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68 var list = new List<TOutput>(input.Count);
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69
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70 list.AddRange(from T t in input select converter(t));
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71
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72 return list;
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73 }
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74
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75 public static bool Exists<T>(this List<T> list, Predicate<T> match)
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76 {
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77 return list.Any(item => match(item));
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78 }
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79 }
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80 }
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81 }
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82
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83 namespace ComponentModel
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84 {
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85 [AttributeUsage(AttributeTargets.Property | AttributeTargets.Event | AttributeTargets.Class | AttributeTargets.Method)]
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86 public class DisplayNameAttribute : Attribute
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87 {
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88 public static readonly DisplayNameAttribute Default = new DisplayNameAttribute();
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89
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90 public DisplayNameAttribute()
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91 {
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92 DisplayName = string.Empty;
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93 }
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94
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95 public DisplayNameAttribute(string displayName)
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96 {
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97 DisplayName = displayName;
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98 }
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99
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100 public string DisplayName{ get; set; }
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101 }
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102 }
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103
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104 namespace Data
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105 {
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106 public interface IDataRecord
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107 {
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108 int FieldCount { get; }
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109 object this[int i] { get; }
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110 object this[string name] { get; }
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111
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112 string GetName (int i);
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113 string GetDataTypeName(int i);
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114 Type GetFieldType (int i);
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115 object GetValue (int i);
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116 int GetValues (object[] values);
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117 int GetOrdinal (string name);
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118 bool GetBoolean (int i);
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119 byte GetByte (int i);
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120 long GetBytes (int i, long fieldOffset, byte[] buffer, int bufferoffset, int length);
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121 char GetChar (int i);
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122 long GetChars (int i, long fieldoffset, char[] buffer, int bufferoffset, int length);
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123 Guid GetGuid (int i);
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124 short GetInt16 (int i);
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125 int GetInt32 (int i);
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126 long GetInt64 (int i);
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127 float GetFloat (int i);
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128 double GetDouble (int i);
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129 string GetString (int i);
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130 decimal GetDecimal (int i);
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131 DateTime GetDateTime (int i);
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132 IDataReader GetData (int i);
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133 bool IsDBNull (int i);
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134 }
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135
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136 public interface IDataReader : IDisposable, IDataRecord
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137 {
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138 int Depth { get; }
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139 bool IsClosed { get; }
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140 int RecordsAffected { get; }
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141 void Close();
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142 //DataTable GetSchemaTable();
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143 bool NextResult();
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144 bool Read();
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145 }
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146
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147 public enum SqlDbType
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148 {
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149 BigInt = 0,
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150 Binary = 1,
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151 Bit = 2,
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152 Char = 3,
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153 DateTime = 4,
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154 Decimal = 5,
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155 Float = 6,
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156 Image = 7,
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157 Int = 8,
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158 Money = 9,
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159 NChar = 10,
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160 NText = 11,
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161 NVarChar = 12,
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162 Real = 13,
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163 UniqueIdentifier = 14,
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164 SmallDateTime = 15,
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165 SmallInt = 16,
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166 SmallMoney = 17,
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167 Text = 18,
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168 Timestamp = 19,
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169 TinyInt = 20,
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170 VarBinary = 21,
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171 VarChar = 22,
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172 Variant = 23,
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173 Xml = 25,
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174 Udt = 29,
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175 Structured = 30,
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176 Date = 31,
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177 Time = 32,
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178 DateTime2 = 33,
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179 DateTimeOffset = 34,
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180 }
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181
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182 public enum DbType
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183 {
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184 AnsiString = 0,
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185 Binary = 1,
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186 Byte = 2,
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187 Boolean = 3,
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188 Currency = 4,
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189 Date = 5,
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190 DateTime = 6,
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191 Decimal = 7,
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192 Double = 8,
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193 Guid = 9,
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194 Int16 = 10,
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195 Int32 = 11,
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196 Int64 = 12,
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197 Object = 13,
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198 SByte = 14,
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199 Single = 15,
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200 String = 16,
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201 Time = 17,
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202 UInt16 = 18,
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203 UInt32 = 19,
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204 UInt64 = 20,
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205 VarNumeric = 21,
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206 AnsiStringFixedLength = 22,
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207 StringFixedLength = 23,
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208 Xml = 25,
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209 DateTime2 = 26,
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210 DateTimeOffset = 27,
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211 }
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212
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213 namespace Linq
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214 {
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215 [DataContract]
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216 [Serializable]
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217 public sealed class Binary : IEquatable<Binary>
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218 {
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219 [DataMember(Name="Bytes")] byte[] _bytes;
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220
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221 int? _hashCode;
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222
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223 public Binary(byte[] value)
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224 {
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225 if (value == null)
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226 throw new ArgumentNullException("value");
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227
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228 _bytes = new byte[value.Length];
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229 Array.Copy(value, _bytes, value.Length);
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230 ComputeHash();
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231 }
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232
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233 public byte[] ToArray()
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234 {
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235 var copy = new byte[this._bytes.Length];
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236 Array.Copy(_bytes, copy, copy.Length);
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237 return copy;
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238 }
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239
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240 public int Length
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241 {
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242 get { return _bytes.Length; }
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243 }
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244
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245 public static implicit operator Binary(byte[] value)
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246 {
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247 return new Binary(value);
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248 }
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249
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250 public bool Equals(Binary other)
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251 {
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252 return EqualsTo(other);
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253 }
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254
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255 public static bool operator == (Binary binary1, Binary binary2)
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256 {
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257 if ((object)binary1 == (object)binary2) return true;
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258 if ((object)binary1 == null && (object)binary2 == null) return true;
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259 if ((object)binary1 == null || (object)binary2 == null) return false;
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260
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261 return binary1.EqualsTo(binary2);
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262 }
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263
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264 public static bool operator !=(Binary binary1, Binary binary2)
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265 {
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266 if ((object)binary1 == (object)binary2) return false;
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267 if ((object)binary1 == null && (object)binary2 == null) return false;
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268 if ((object)binary1 == null || (object)binary2 == null) return true;
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269
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270 return !binary1.EqualsTo(binary2);
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271 }
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272
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273 public override bool Equals(object obj)
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274 {
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275 return EqualsTo(obj as Binary);
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276 }
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277
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278 public override int GetHashCode()
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279 {
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280 if (!_hashCode.HasValue)
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281 ComputeHash();
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282
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283 return _hashCode.Value;
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284 }
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285
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286 public override string ToString()
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287 {
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288 var sb = new StringBuilder();
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289
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290 sb.Append("\"");
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291 sb.Append(Convert.ToBase64String(_bytes, 0, _bytes.Length));
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292 sb.Append("\"");
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293
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294 return sb.ToString();
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295 }
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296
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297 private bool EqualsTo(Binary binary)
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298 {
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299 if ((object)this == (object)binary) return true;
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300 if ((object)binary == null) return false;
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301 if (_bytes.Length != binary._bytes.Length) return false;
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302 if (_hashCode != binary._hashCode) return false;
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303
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304 for (int i = 0; i < _bytes.Length; i++)
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305 if (_bytes[i] != binary._bytes[i])
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306 return false;
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307
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308 return true;
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309 }
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310
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311 private void ComputeHash()
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312 {
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313 var s = 314;
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314 const int t = 159;
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315
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316 _hashCode = 0;
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317
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318 for (var i = 0; i < _bytes.Length; i++)
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319 {
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320 _hashCode = _hashCode * s + _bytes[i];
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321 s = s * t;
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322 }
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323 }
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324 }
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325 }
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326
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327 namespace SqlTypes
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328 {
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329 public interface INullable
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330 {
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331 bool IsNull { get; }
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332 }
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333 }
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334 }
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335 }
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