1 | 'Classes/System/Collections/Generic/Dictionary.ab
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2 |
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3 | '#require <Classes/System/Collections/Generic/EqualityComparer.ab>
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4 |
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5 | Namespace System
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6 | Namespace Collections
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7 | Namespace Generic
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8 |
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9 | Namespace Detail
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10 | Class Pair<Key, T>
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11 | Public
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12 | Sub Pair(key As Key, value As T)
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13 | Key = key
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14 | Value = value
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15 | End Sub
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16 |
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17 | Key As Key
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18 | Value As T
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19 | End Class
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20 | End Namespace 'Detail
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21 |
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22 | Class Dictionary<Key, T>
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23 | Public
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24 | 'Constructor
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25 | Sub Dictionary()
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26 | initialize(23)
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27 | End Sub
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28 | ' Sub Dictionary(d As IDictionary<Key, T>)
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29 | ' Sub Dictionary(comparer As IEqualityComparer<Key>)
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30 | Sub Dictionary(capacity As Long)
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31 | initialize(capacity)
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32 | End Sub
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33 | ' Sub Dictionary(d As IDictionary<Key, T>, comparer As IEqualityComparer<Key>)
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34 | ' Sub Dictionary(capacity As Long, comparer As IEqualityComparer<Key>)
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35 |
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36 | 'Properties
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37 | ' Function Comparer() As IEqualityComparer<Key>
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38 | ' Virtual Function Count() As Long
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39 | ' End Function
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40 |
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41 | ' Virtual Function Item(key As Key) As T
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42 | Virtual Function Item(key As Key) As Object
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43 |
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44 | Imports System.Collections.Generic.Detail
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45 | Imports System.Diagnostics
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46 |
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47 | If Object.ReferenceEquals(key, Nothing) Then
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48 | 'Throw ArgumentNullError
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49 | Exit Sub
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50 | End If
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51 |
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52 | Dim hash = key.GetHashCode Mod al.Count
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53 | Dim a = al[hash] As ArrayList
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54 |
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55 | If Not Object.ReferenceEquals(a, Nothing) Then
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56 | Dim i As Long
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57 | For i = 0 To ELM(a.Count)
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58 | Dim pair = a[i] As Pair
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59 | Dim s = pair.Key.ToString + " " + pair.Value.ToString
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60 | Trace.Write(s)
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61 | If pair.Key.Equals(key) Then
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62 | Return pair.Value
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63 | End If
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64 | Next
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65 | End If
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66 | 'KeyNotFoundException
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67 | Return Nothing
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68 |
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69 | End Function
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70 |
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71 | Virtual Sub Item(key As Key, value As T)
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72 | Imports System.Collections.Generic.Detail
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73 |
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74 | If Object.ReferenceEquals(key, Nothing) Then
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75 | 'Throw ArgumentNullError
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76 | Exit Sub
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77 | End If
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78 |
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79 | Dim hash = key.GetHashCode Mod al.Count
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80 | Dim a = al[hash] As ArrayList
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81 |
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82 | If Object.ReferenceEquals(a, Nothing) Then
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83 | a = New ArrayList
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84 | al[hash] = a
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85 | Else
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86 | Dim i As Long
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87 | For i = 0 To ELM(a.Count)
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88 | Dim pair = a[i] As Pair
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89 | If pair.Key.Equals(key) Then
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90 | pair.Value = value
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91 | End If
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92 | Next
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93 | End If
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94 |
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95 | a.Add(New Pair(key, value))
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96 | End Sub
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97 |
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98 | ' Function Keys() As KeyCollection
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99 | ' Function Values() As ValuesCollection
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100 | /*
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101 | 'Operators
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102 | ' Function Operator [](key As Key) As T
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103 | Function Operator [](key As Key) As Object
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104 | Return Item[key]
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105 | End Function
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106 |
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107 | Sub Operator []=(key As Key, value As T)
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108 | ' Item[key] = vaule
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109 | End Sub
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110 | */
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111 | 'Methods
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112 | Sub Add(key As Key, value As T)
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113 | Imports System.Collections.Generic.Detail
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114 |
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115 | If Object.ReferenceEquals(key, Nothing) Then
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116 | 'Throw ArgumentNullError
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117 | Exit Sub
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118 | End If
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119 |
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120 | Dim hash = key.GetHashCode Mod al.Count
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121 | Dim a = al[hash] As ArrayList
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122 |
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123 | If Object.ReferenceEquals(a, Nothing) Then
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124 | a = New ArrayList
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125 | al[hash] = a
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126 | Else
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127 | Dim i As Long
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128 | For i = 0 To ELM(a.Count)
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129 | Dim pair = a[i] As Pair
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130 | If pair.Key.Equals(key) Then
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131 | 'Throw ArgumentError
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132 | End If
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133 | Next
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134 | End If
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135 |
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136 | a.Add(New Pair(key, value))
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137 | End Sub
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138 |
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139 | Sub Clear()
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140 | Dim i As Long
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141 | For i = 0 To ELM(al.Count)
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142 | al[i] = Nothing
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143 | Next
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144 | End Sub
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145 |
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146 | ' Function ContainsKey(key As Key) As Boolean
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147 | ' End Function
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148 | ' Function ContainsValue(value As T) As Boolean
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149 | ' End Function
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150 | ' Function GetEnumerator() As Enumerator
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151 | ' Function Remove(key As Key) As Boolean
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152 | ' End Function
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153 | ' Function TryGetValue(key As Key, ByRef value As T) As Boolean
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154 | ' End Function
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155 |
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156 | 'Classses
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157 | ' Class KeyCollection
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158 | ' Class ValuesCollection
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159 | ' Class Enumerator
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160 |
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161 | Private
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162 |
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163 | ' comp As System.Collections.Generic.Detail.DefaultEqualityComparer<Key> 'IEqualityComparer<Key>
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164 |
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165 | Sub initialize(c As Long)
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166 | al = ArrayList.Repeat(Nothing, c)
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167 | Dim e = al[0]
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168 | Dim p = ObjPtr(e) As ULONG_PTR
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169 | OutputDebugString(ToTCStr(Str$(p)))
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170 | End Sub
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171 |
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172 | al As ArrayList
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173 |
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174 | End Class
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175 |
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176 | End Namespace 'Generic
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177 | End Namespace 'Collections
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178 | End Namespace 'System
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