1 | ' Classes/System/String.ab
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2 |
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3 | Namespace System
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4 |
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5 | Class String
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6 | Implements /*IComparable, ICloneable, IConvertible, IComparable<String>, IEnumerable, IEnumerable<Char>, IEquatable<String>*/
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7 |
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8 | m_Length As Long
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9 | Chars As *Char
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10 |
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11 | Sub validPointerCheck(p As VoidPtr, size = 1 As Long)
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12 | If p As ULONG_PTR < &h10000 Then
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13 | Throw New ArgumentException
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14 | ElseIf IsBadReadPtr(p, size As ULONG_PTR) Then
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15 | Throw New ArgumentException
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16 | End If
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17 | End Sub
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18 | Public
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19 | Static Const Empty = New String
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20 |
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21 | Sub String()
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22 | ' Chars = 0
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23 | ' m_Length = 0
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24 | End Sub
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25 |
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26 | Sub String(initStr As PCWSTR)
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27 | validPointerCheck(initStr)
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28 | Assign(initStr, lstrlenW(initStr))
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29 | End Sub
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30 |
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31 | Sub String(initStr As PCWSTR, length As Long)
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32 | validPointerCheck(initStr, length)
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33 | Assign(initStr, length)
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34 | End Sub
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35 |
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36 | Sub String(initStr As PCWSTR, start As Long, length As Long)
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37 | If start < 0 Or length Or start + length < 0 Then
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38 | Throw New ArgumentOutOfRangeException("String constractor: One or more arguments are out of range value.", "start or length or both")
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39 | End If
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40 | validPointerCheck(initStr + start, length)
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41 | Assign(initStr + start, length)
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42 | End Sub
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43 |
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44 | Sub String(initStr As PCSTR)
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45 | validPointerCheck(initStr)
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46 | Assign(initStr, lstrlenA(initStr))
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47 | End Sub
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48 |
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49 | Sub String(initStr As PCSTR, length As Long)
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50 | validPointerCheck(initStr, length)
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51 | Assign(initStr, length)
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52 | End Sub
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53 |
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54 | Sub String(initStr As PCSTR, start As Long, length As Long)
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55 | If start < 0 Or length < 0 Then
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56 | Throw New ArgumentOutOfRangeException("String constructor: One or more arguments are out of range value.", "start or length or both")
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57 | End If
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58 | validPointerCheck(initStr + start, length)
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59 | Assign(initStr + start, length)
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60 | End Sub
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61 |
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62 | Sub String(initStr As String)
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63 | If Not String.IsNullOrEmpty(initStr) Then
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64 | Assign(initStr.Chars, initStr.m_Length)
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65 | End If
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66 | End Sub
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67 |
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68 | Sub String(initChar As Char, length As Long)
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69 | AllocStringBuffer(length)
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70 | ActiveBasic.Strings.ChrFill(Chars, length, initChar)
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71 | Chars[length] = 0
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72 | End Sub
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73 |
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74 | Sub String(sb As Text.StringBuilder)
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75 | Chars = StrPtr(sb)
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76 | m_Length = sb.Length
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77 | sb.__Stringized()
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78 | End Sub
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79 |
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80 | Const Function Length() As Long
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81 | Return m_Length
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82 | End Function
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83 |
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84 | Function Operator() As *Char
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85 | Return Chars
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86 | End Function
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87 |
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88 | Const Function Operator [] (n As Long) As Char
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89 | rangeCheck(n)
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90 | Return Chars[n]
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91 | End Function
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92 |
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93 | Const Function Operator + (y As PCSTR) As String
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94 | If y = 0 Then
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95 | Return This
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96 | Else
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97 | Return Concat(y, lstrlenA(y))
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98 | End If
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99 | End Function
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100 |
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101 | Const Function Operator + (y As PCWSTR) As String
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102 | If y = 0 Then
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103 | Return This
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104 | Else
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105 | Return Concat(y, lstrlenW(y))
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106 | End If
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107 | End Function
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108 |
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109 | Const Function Operator + (y As String) As String
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110 | If ActiveBasic.IsNothing(y) Then
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111 | Return This
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112 | Else
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113 | Return Concat(y.Chars, y.m_Length)
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114 | End If
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115 | End Function
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116 |
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117 | Const Function Operator & (y As PCSTR) As String
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118 | Return This + y
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119 | End Function
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120 |
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121 | Const Function Operator & (y As PCWSTR) As String
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122 | Return This + y
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123 | End Function
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124 |
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125 | Const Function Operator & (y As String) As String
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126 | Return This + y
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127 | End Function
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128 |
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129 | Const Function Operator == (y As String) As Boolean
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130 | Return Compare(This, y) = 0
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131 | End Function
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132 |
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133 | Const Function Operator == (y As *Char) As Boolean
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134 | Return Compare(This, y) = 0
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135 | End Function
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136 |
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137 | Const Function Operator <> (y As String) As Boolean
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138 | Return Compare(This, y) <> 0
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139 | End Function
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140 |
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141 | Const Function Operator <> (y As *Char) As Boolean
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142 | Return Compare(This, y) <> 0
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143 | End Function
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144 |
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145 | Const Function Operator < (y As String) As Boolean
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146 | Return Compare(This, y) < 0
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147 | End Function
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148 |
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149 | Const Function Operator < (y As *Char) As Boolean
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150 | Return Compare(This, y) < 0
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151 | End Function
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152 |
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153 | Const Function Operator > (y As String) As Boolean
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154 | Return Compare(This, y) > 0
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155 | End Function
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156 |
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157 | Const Function Operator > (y As *Char) As Boolean
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158 | Return Compare(This, y) > 0
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159 | End Function
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160 |
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161 | Const Function Operator <= (y As String) As Boolean
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162 | Return Compare(This, y) <= 0
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163 | End Function
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164 |
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165 | Const Function Operator <= (y As *Char) As Boolean
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166 | Return Compare(This, y) <= 0
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167 | End Function
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168 |
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169 | Const Function Operator >= (y As String) As Boolean
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170 | Return Compare(This, y) >= 0
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171 | End Function
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172 |
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173 | Const Function Operator >= (y As *Char) As Boolean
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174 | Return Compare(This, y) >= 0
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175 | End Function
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176 |
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177 | Static Function Compare(x As String, y As String) As Long
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178 | Return CompareOrdinal(x, y)
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179 | End Function
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180 |
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181 | Public
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182 | 'Compareなどで、x.Charsではなく、StrPtr(x)と書く理由は、xがNothingの場合のため。
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183 |
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184 | Static Function Compare(x As String, indexX As Long, y As String, indexY As Long, length As Long) As Long
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185 | Return CompareOrdinal(x, indexX, y, indexY, length)
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186 | End Function
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187 |
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188 | Static Function CompareOrdinal(x As String, y As String) As Long
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189 | Return CompareOrdinal(StrPtr(x), StrPtr(y))
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190 | End Function
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191 |
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192 | Static Function CompareOrdinal(x As String, indexX As Long, y As String, indexY As Long, length As Long) As Long
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193 | Return CompareOrdinal(StrPtr(x), indexX, StrPtr(y), indexY, length)
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194 | End Function
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195 | Private
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196 | Static Function Compare(x As String, y As *Char) As Long
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197 | Return CompareOrdinal(x, y)
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198 | End Function
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199 |
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200 | Static Function CompareOrdinal(x As String, y As *Char) As Long
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201 | Return CompareOrdinal(StrPtr(x), y)
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202 | End Function
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203 |
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204 | Static Function CompareOrdinal(x As *Char, y As *Char) As Long
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205 | If x = 0 Then
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206 | If y = 0 Then
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207 | Return 0
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208 | Else
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209 | Return -1
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210 | End If
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211 | ElseIf y = 0 Then
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212 | Return 1
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213 | End If
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214 | Return ActiveBasic.Strings.StrCmp(x, y)
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215 | End Function
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216 |
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217 | Static Function CompareOrdinal(x As *Char, indexX As Long, y As *Char, indexY As Long, length As Long) As Long
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218 | If x = 0 Then
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219 | If y = 0 Then
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220 | Return 0
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221 | Else
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222 | Return -1
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223 | End If
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224 | ElseIf y = 0 Then
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225 | Return 1
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226 | End If
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227 | Return ActiveBasic.Strings.ChrCmp(VarPtr(x[indexX]), VarPtr(y[indexY]), length As SIZE_T)
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228 | End Function
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229 | Public
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230 | Function CompareTo(y As String) As Long
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231 | Return String.Compare(This, y)
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232 | End Function
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233 |
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234 | Function CompareTo(y As Object) As Long
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235 | If Not Object.Equals(This.GetType(), y.GetType()) Then
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236 | Throw New ArgumentException("String.CompareTo: The type of the argument y is not String.", "y")
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237 | End If
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238 | Return CompareTo(y As String)
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239 | End Function
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240 |
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241 | Function Equals(s As String) As Boolean
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242 | Return This = s
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243 | End Function
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244 |
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245 | Override Function Equals(s As Object) As Boolean
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246 | If Not ActiveBasic.IsNothing(s) Then
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247 | If Object.Equals(This.GetType(), s.GetType()) Then
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248 | Return This.Equals(s As String)
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249 | End If
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250 | End If
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251 | Return False
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252 | End Function
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253 |
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254 | Const Function StrPtr() As *Char
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255 | Return Chars
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256 | End Function
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257 | Private
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258 |
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259 | Sub Assign(text As PCSTR, textLengthA As Long)
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260 | #ifdef UNICODE
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261 | Dim textLengthW = MultiByteToWideChar(CP_THREAD_ACP, 0, text, textLengthA, 0, 0)
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262 | If AllocStringBuffer(textLengthW) <> 0 Then
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263 | MultiByteToWideChar(CP_THREAD_ACP, 0, text, textLengthA, Chars, textLengthW)
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264 | Chars[textLengthW] = 0
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265 | End If
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266 | #else
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267 | AssignFromCharPtr(text, textLengthA)
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268 | #endif
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269 | End Sub
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270 |
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271 | Sub Assign(text As PCWSTR, textLengthW As Long)
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272 | #ifdef UNICODE
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273 | AssignFromCharPtr(text, textLengthW)
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274 | #else
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275 | Dim textLengthA = WideCharToMultiByte(CP_THREAD_ACP, 0, text, textLengthW, 0, 0, 0, 0)
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276 | If AllocStringBuffer(textLengthA) <> 0 Then
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277 | WideCharToMultiByte(CP_THREAD_ACP, 0, text, textLengthW, Chars, textLengthA, 0, 0)
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278 | Chars[textLengthA] = 0
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279 | End If
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280 | #endif
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281 | End Sub
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282 |
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283 | Private
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284 | Static Function ConcatChar(text1 As *Char, text1Length As Long, text2 As *Char, text2Length As Long) As String
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285 | ConcatChar = New String()
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286 | With ConcatChar
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287 | .AllocStringBuffer(text1Length + text2Length)
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288 | ActiveBasic.Strings.ChrCopy(.Chars, text1, text1Length As SIZE_T)
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289 | ActiveBasic.Strings.ChrCopy(VarPtr(.Chars[text1Length]), text2, text2Length As SIZE_T)
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290 | .Chars[text1Length + text2Length] = 0
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291 | End With
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292 | End Function
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293 | Public
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294 | Const Function Concat(text As PCSTR, len As Long) As String
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295 | #ifdef UNICODE
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296 | With Concat
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297 | Dim lenW = MultiByteToWideChar(CP_THREAD_ACP, 0, text, len, 0, 0)
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298 | Concat = New String
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299 | .AllocStringBuffer(m_Length + lenW)
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300 | ActiveBasic.Strings.ChrCopy(.Chars, This.Chars, m_Length As SIZE_T)
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301 | MultiByteToWideChar(CP_THREAD_ACP, 0, text, len, VarPtr(.Chars[m_Length]), lenW)
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302 | .Chars[m_Length + lenW] = 0
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303 | End With
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304 | #else
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305 | Return ConcatChar(This.Chars, m_Length, text, len)
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306 | #endif
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307 | End Function
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308 |
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309 | Const Function Concat(text As PCWSTR, len As Long) As String
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310 | #ifdef UNICODE
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311 | Return ConcatChar(This.Chars, m_Length, text, len)
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312 | #else
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313 | With Concat
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314 | Concat = New String
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315 | Dim lenA = WideCharToMultiByte(CP_THREAD_ACP, 0, text, len, 0, 0, 0, 0)
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316 | .AllocStringBuffer(m_Length + lenA)
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317 | ActiveBasic.Strings.ChrCopy(.Chars, This.Chars, m_Length As SIZE_T)
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318 | WideCharToMultiByte(CP_THREAD_ACP, 0, text, len, VarPtr(.Chars[m_Length]), lenA, 0, 0)
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319 | .Chars[m_Length + lenA] = 0
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320 | End With
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321 | #endif
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322 | End Function
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323 |
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324 | Static Function Concat(x As String, y As String) As String
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325 | If String.IsNullOrEmpty(x) Then
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326 | Return y
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327 | Else
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328 | Return x.Concat(y.Chars, y.m_Length)
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329 | End If
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330 | End Function
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331 |
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332 | Static Function Concat(x As String, y As String, z As String) As String
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333 | Dim sb = New Text.StringBuilder(removeNull(x).Length + removeNull(y).Length + removeNull(z).Length)
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334 | sb.Append(x).Append(y).Append(z)
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335 | Concat = sb.ToString
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336 | End Function
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337 |
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338 | Static Function Concat(x As String, y As String, z As String, w As String) As String
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339 | Dim sb = New Text.StringBuilder(removeNull(x).Length + removeNull(y).Length + removeNull(z).Length + removeNull(w).Length)
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340 | sb.Append(x).Append(y).Append(z).Append(w)
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341 | Concat = sb.ToString
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342 | End Function
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343 |
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344 | Static Function Concat(x As Object, y As Object) As String
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345 | Return Concat(x.ToString, y.ToString)
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346 | End Function
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347 |
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348 | Static Function Concat(x As Object, y As Object, z As Object) As String
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349 | Return Concat(x.ToString, y.ToString, z.ToString)
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350 | End Function
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351 |
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352 | Static Function Concat(x As Object, y As Object, z As Object, w As Object) As String
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353 | Return Concat(x.ToString, y.ToString, z.ToString, w.ToString)
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354 | End Function
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355 |
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356 | Const Function Contains(c As Char) As Boolean
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357 | Return IndexOf(c) >= 0
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358 | End Function
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359 |
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360 | Const Function Contains(s As String) As Boolean
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361 | If Object.ReferenceEquals(s, Nothing) Then
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362 | Throw New ArgumentNullException("String.Contains: An argument is null value.", "s")
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363 | ElseIf s = "" Then
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364 | Return True
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365 | Else
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366 | Return IndexOf(s, 0, m_Length) >= 0
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367 | End If
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368 | End Function
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369 |
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370 | Const Function IndexOf(c As Char) As Long
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371 | Return indexOfCore(c, 0, m_Length)
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372 | End Function
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373 |
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374 | Const Function IndexOf(c As Char, start As Long) As Long
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375 | rangeCheck(start)
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376 | Return indexOfCore(c, start, m_Length - start)
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377 | End Function
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378 |
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379 | Const Function IndexOf(c As Char, start As Long, count As Long) As Long
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380 | rangeCheck(start, count)
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381 | Return indexOfCore(c, start, count)
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382 | End Function
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383 | Private
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384 | Const Function indexOfCore(c As Char, start As Long, count As Long) As Long
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385 | indexOfCore = ActiveBasic.Strings.ChrFind(VarPtr(Chars[start]), count, c) As Long
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386 | If indexOfCore <> -1 Then
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387 | indexOfCore += start
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388 | End If
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389 | End Function
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390 | Public
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391 | Const Function IndexOf(s As String) As Long
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392 | Return IndexOf(s, 0, m_Length)
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393 | End Function
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394 |
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395 | Const Function IndexOf(s As String, startIndex As Long) As Long
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396 | Return IndexOf(s, startIndex, m_Length - startIndex)
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397 | End Function
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398 |
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399 | Const Function IndexOf(s As String, startIndex As Long, count As Long) As Long
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400 | rangeCheck(startIndex, count)
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401 | If Object.ReferenceEquals(s, Nothing) Then
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402 | Throw New ArgumentNullException("String.IndexOf: An argument is out of range value.", "s")
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403 | End If
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404 |
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405 | Dim length = s.Length
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406 | If length = 0 Then Return startIndex
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407 |
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408 | Dim i As Long, j As Long
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409 | For i = startIndex To startIndex + count - 1
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410 | For j = 0 To length - 1
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411 | If Chars[i + j] = s[j] Then
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412 | If j = length - 1 Then Return i
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413 | Else
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414 | Exit For
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415 | End If
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416 | Next
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417 | Next
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418 | Return -1
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419 | End Function
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420 |
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421 | Const Function LastIndexOf(c As Char) As Long
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422 | Return lastIndexOf(c, m_Length - 1, m_Length)
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423 | End Function
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424 |
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425 | Const Function LastIndexOf(c As Char, start As Long) As Long
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426 | rangeCheck(start)
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427 | Return lastIndexOf(c, start, start + 1)
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428 | End Function
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429 |
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430 | Const Function LastIndexOf(c As Char, start As Long, count As Long) As Long
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431 | rangeCheck(start)
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432 | Dim lastFindPos = start - (count - 1)
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433 | If Not (m_Length > lastFindPos And lastFindPos >= 0) Then
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434 | Throw New ArgumentOutOfRangeException("String.LastIndexOf: An argument is out of range value.", "count")
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435 | End If
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436 | Return lastIndexOf(c, start, count)
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437 | End Function
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438 | Private
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439 | Const Function lastIndexOf(c As Char, start As Long, count As Long) As Long
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440 | Dim lastFindPos = start - (count - 1)
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441 | Dim i As Long
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442 | For i = start To lastFindPos Step -1
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443 | If Chars[i] = c Then
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444 | Return i
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445 | End If
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446 | Next
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447 | Return -1
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448 | End Function
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449 |
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450 | Public
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451 | Const Function LastIndexOf(s As String) As Long
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452 | Return LastIndexOf(s, m_Length - 1, m_Length)
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453 | End Function
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454 |
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455 | Const Function LastIndexOf(s As String, startIndex As Long) As Long
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456 | Return LastIndexOf(s, startIndex, startIndex + 1)
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457 | End Function
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458 |
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459 | Const Function LastIndexOf(s As String, start As Long, count As Long) As Long
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460 | If Object.ReferenceEquals(s, Nothing) Then
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461 | Throw New ArgumentNullException("String.LastIndexOf: An argument is out of range value.", "s")
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462 | End If
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463 |
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464 | If start < 0 Or start > m_Length - 1 Or _
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465 | count < 0 Or count > start + 2 Then
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466 | Throw New ArgumentOutOfRangeException("String.LastIndexOf: One or more arguments are out of range value.", "start or count or both")
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467 | End If
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468 | Dim length = s.m_Length
|
---|
469 | If length > m_Length Then Return -1
|
---|
470 | If length = 0 Then Return start
|
---|
471 |
|
---|
472 | Dim i As Long, j As Long
|
---|
473 | For i = start To start - count + 1 Step -1
|
---|
474 | For j = length - 1 To 0 Step -1
|
---|
475 | If Chars[i + j] = s[j] Then
|
---|
476 | If j = 0 Then Return i
|
---|
477 | Else
|
---|
478 | Exit For
|
---|
479 | End If
|
---|
480 | Next
|
---|
481 | Next
|
---|
482 | Return -1
|
---|
483 | End Function
|
---|
484 |
|
---|
485 | Const Function StartsWith(c As Char) As Boolean
|
---|
486 | Return IndexOf(c) = 0
|
---|
487 | End Function
|
---|
488 |
|
---|
489 | Const Function StartsWith(s As String) As Boolean
|
---|
490 | Return IndexOf(s) = 0
|
---|
491 | End Function
|
---|
492 |
|
---|
493 | Const Function EndsWith(c As Char) As Boolean
|
---|
494 | Return LastIndexOf(c) = m_Length - 1
|
---|
495 | End Function
|
---|
496 |
|
---|
497 | Const Function EndsWith(s As String) As Boolean
|
---|
498 | Return LastIndexOf(s) = m_Length - s.Length
|
---|
499 | End Function
|
---|
500 |
|
---|
501 | Const Function Insert(startIndex As Long, text As String) As String
|
---|
502 | Dim sb = New Text.StringBuilder(This)
|
---|
503 | sb.Insert(startIndex, text)
|
---|
504 | Return sb.ToString
|
---|
505 | End Function
|
---|
506 |
|
---|
507 | Const Function Substring(startIndex As Long) As String
|
---|
508 | rangeCheck(startIndex)
|
---|
509 | Return Substring(startIndex, m_Length - startIndex)
|
---|
510 | End Function
|
---|
511 |
|
---|
512 | Const Function Substring(startIndex As Long, length As Long) As String
|
---|
513 | rangeCheck(startIndex, length)
|
---|
514 | Return New String(Chars, startIndex, length)
|
---|
515 | End Function
|
---|
516 |
|
---|
517 | Const Function Remove(startIndex As Long) As String
|
---|
518 | rangeCheck(startIndex)
|
---|
519 | Remove = Substring(0, startIndex)
|
---|
520 | End Function
|
---|
521 |
|
---|
522 | Const Function Remove(startIndex As Long, count As Long) As String
|
---|
523 | Dim sb = New Text.StringBuilder(This)
|
---|
524 | sb.Remove(startIndex, count)
|
---|
525 | Remove = sb.ToString
|
---|
526 | End Function
|
---|
527 |
|
---|
528 | Static Function IsNullOrEmpty(s As String) As Boolean
|
---|
529 | If Not Object.ReferenceEquals(s, Nothing) Then
|
---|
530 | If s.m_Length > 0 Then
|
---|
531 | Return False
|
---|
532 | End If
|
---|
533 | End If
|
---|
534 | Return True
|
---|
535 | End Function
|
---|
536 |
|
---|
537 | Const Function Replace(oldChar As Char, newChar As Char) As String
|
---|
538 | Dim sb = New Text.StringBuilder(This)
|
---|
539 | sb.Replace(oldChar, newChar)
|
---|
540 | Replace = sb.ToString
|
---|
541 | End Function
|
---|
542 |
|
---|
543 | Const Function Replace(oldStr As String, newStr As String) As String
|
---|
544 | Dim sb = New Text.StringBuilder(This)
|
---|
545 | sb.Replace(oldStr, newStr)
|
---|
546 | Return sb.ToString
|
---|
547 | End Function
|
---|
548 |
|
---|
549 | Function Split(separator As System.Collections.Generic.List<String>) As System.Collections.Generic.List<String>
|
---|
550 | Return Split(separator, -1, StringSplitOptions.None)
|
---|
551 | End Function
|
---|
552 |
|
---|
553 | Function Split(separator As System.Collections.Generic.List<String>, options As StringSplitOptions) As System.Collections.Generic.List<String>
|
---|
554 | Return Split(separator, -1, options)
|
---|
555 | End Function
|
---|
556 |
|
---|
557 | Function Split(separator As System.Collections.Generic.List<String>, count As Long, options As StringSplitOptions) As System.Collections.Generic.List<String>
|
---|
558 | Dim split As System.Collections.Generic.List<String>
|
---|
559 | Dim index As Long, t1Index As Long, t2Index As Long
|
---|
560 | Dim s As String, substring As String
|
---|
561 | Dim flag As Boolean
|
---|
562 |
|
---|
563 | Do
|
---|
564 | t1Index = Length
|
---|
565 | flag = True
|
---|
566 | Foreach s In separator
|
---|
567 | t2Index = IndexOf(s, index)
|
---|
568 | If t2Index > -1 Then
|
---|
569 | t1Index = Math.Min(t1Index, t2Index)
|
---|
570 | flag = False
|
---|
571 | End If
|
---|
572 | Next
|
---|
573 |
|
---|
574 | substring = Substring(index, t1Index - index)
|
---|
575 | If Not ( IsNullOrEmpty(substring) and (options = StringSplitOptions.RemoveEmptyEntries) ) Then
|
---|
576 | split.Add(substring)
|
---|
577 | End If
|
---|
578 |
|
---|
579 | If flag Then Return split
|
---|
580 | If split.Count = count Then Return split
|
---|
581 |
|
---|
582 | index = t1Index + 1
|
---|
583 | Loop
|
---|
584 | End Function
|
---|
585 |
|
---|
586 | Static Function Join(separator As String, strings As System.Collections.Generic.List<String>) As String
|
---|
587 | Return Join(separator, strings, 0, strings.Count)
|
---|
588 | End Function
|
---|
589 |
|
---|
590 | Static Function Join(separator As String, strings As System.Collections.Generic.List<String>, startIndex As Long, count As Long) As String
|
---|
591 | If (startIndex+count > strings.Count) or (startIndex < 0) or (count < 1) Then
|
---|
592 | Throw New ArgumentOutOfRangeException("String.Join: One or more arguments are out of range value.", "startIndex or count")
|
---|
593 | End If
|
---|
594 |
|
---|
595 | Dim string As String
|
---|
596 | Dim i As Long
|
---|
597 | For i = startIndex To startIndex + count - 2
|
---|
598 | string += strings[i] + separator
|
---|
599 | Next
|
---|
600 | Return string + strings[i]
|
---|
601 | End Function
|
---|
602 |
|
---|
603 | Const Function ToLower() As String
|
---|
604 | Dim sb = New Text.StringBuilder(m_Length)
|
---|
605 | sb.Length = m_Length
|
---|
606 | Dim i As Long
|
---|
607 | For i = 0 To ELM(m_Length)
|
---|
608 | sb[i] = ActiveBasic.CType.ToLower(Chars[i])
|
---|
609 | Next
|
---|
610 | Return sb.ToString
|
---|
611 | End Function
|
---|
612 |
|
---|
613 | Const Function ToUpper() As String
|
---|
614 | Dim sb = New Text.StringBuilder(m_Length)
|
---|
615 | sb.Length = m_Length
|
---|
616 | Dim i As Long
|
---|
617 | For i = 0 To ELM(m_Length)
|
---|
618 | sb[i] = ActiveBasic.CType.ToUpper(Chars[i])
|
---|
619 | Next
|
---|
620 | Return sb.ToString
|
---|
621 | End Function
|
---|
622 |
|
---|
623 | Override Function ToString() As String
|
---|
624 | ToString = This
|
---|
625 | End Function
|
---|
626 |
|
---|
627 | Const Function Clone() As String
|
---|
628 | Clone = This
|
---|
629 | End Function
|
---|
630 | /*
|
---|
631 | Function Clone() As Object
|
---|
632 | Clone = This
|
---|
633 | End Function
|
---|
634 | */
|
---|
635 | Static Function Copy(s As String) As String
|
---|
636 | Copy = New String(s.Chars, s.m_Length)
|
---|
637 | End Function
|
---|
638 |
|
---|
639 | Sub CopyTo(sourceIndex As Long, destination As *Char, destinationIndex As Long, count As Long)
|
---|
640 | ActiveBasic.Strings.ChrCopy(VarPtr(destination[destinationIndex]), VarPtr(Chars[sourceIndex]), count As SIZE_T)
|
---|
641 | End Sub
|
---|
642 |
|
---|
643 | Override Function GetHashCode() As Long
|
---|
644 | #ifdef UNICODE
|
---|
645 | Dim size = m_Length
|
---|
646 | #else
|
---|
647 | Dim size = (m_Length + 1) >> 1
|
---|
648 | #endif
|
---|
649 | Return _System_GetHashFromWordArray(Chars As *Word, size) Xor m_Length
|
---|
650 | End Function
|
---|
651 |
|
---|
652 | Function PadLeft(total As Long) As String
|
---|
653 | PadLeft(total, &h30 As Char)
|
---|
654 | End Function
|
---|
655 |
|
---|
656 | Function PadLeft(total As Long, c As Char) As String
|
---|
657 | If total < 0 Then
|
---|
658 | Throw New ArgumentOutOfRangeException("String.PadLeft: An arguments is out of range value.", "total")
|
---|
659 | End If
|
---|
660 | If total >= m_Length Then
|
---|
661 | Return This
|
---|
662 | End If
|
---|
663 | Dim sb = New Text.StringBuilder(total)
|
---|
664 | sb.Append(c, total - m_Length)
|
---|
665 | sb.Append(This)
|
---|
666 | Return sb.ToString
|
---|
667 | End Function
|
---|
668 |
|
---|
669 | Function PadRight(total As Long) As String
|
---|
670 | PadRight(total, &h30 As Char)
|
---|
671 | End Function
|
---|
672 |
|
---|
673 | Function PadRight(total As Long, c As Char) As String
|
---|
674 | If total < 0 Then
|
---|
675 | Throw New ArgumentOutOfRangeException("String.PadRight: An arguments is out of range value.", "total")
|
---|
676 | End If
|
---|
677 | If total >= m_Length Then
|
---|
678 | Return This
|
---|
679 | End If
|
---|
680 | Dim sb = New Text.StringBuilder(total)
|
---|
681 | sb.Append(This)
|
---|
682 | sb.Append(c, total - m_Length)
|
---|
683 | Return sb.ToString
|
---|
684 | End Function
|
---|
685 | Private
|
---|
686 | Function AllocStringBuffer(textLength As Long) As *Char
|
---|
687 | If textLength < 0 Then
|
---|
688 | Return 0
|
---|
689 | End If
|
---|
690 | AllocStringBuffer = GC_malloc_atomic(SizeOf(Char) * (textLength + 1))
|
---|
691 | If AllocStringBuffer = 0 Then
|
---|
692 | 'Throw New OutOfMemoryException
|
---|
693 | End If
|
---|
694 | m_Length = textLength
|
---|
695 | Chars = AllocStringBuffer
|
---|
696 | End Function
|
---|
697 |
|
---|
698 | Sub AssignFromCharPtr(text As *Char, textLength As Long)
|
---|
699 | AllocStringBuffer(textLength)
|
---|
700 | ActiveBasic.Strings.ChrCopy(Chars, text, textLength As SIZE_T)
|
---|
701 | Chars[m_Length] = 0
|
---|
702 | End Sub
|
---|
703 |
|
---|
704 | Const Sub rangeCheck(index As Long)
|
---|
705 | If index < 0 Or index > m_Length Then
|
---|
706 | Throw New ArgumentOutOfRangeException("String: An arguments is out of range value.", "index")
|
---|
707 | End If
|
---|
708 | End Sub
|
---|
709 |
|
---|
710 | Const Sub rangeCheck(start As Long, length As Long)
|
---|
711 | If start < 0 Or start > This.m_Length Or length < 0 Then
|
---|
712 | Throw New ArgumentOutOfRangeException("String: One or more arguments are out of range value.", "start or length or both")
|
---|
713 | End If
|
---|
714 | End Sub
|
---|
715 |
|
---|
716 | Static Function removeNull(s As String) As String
|
---|
717 | If ActiveBasic.IsNothing(s) Then
|
---|
718 | removeNull = Empty
|
---|
719 | Else
|
---|
720 | removeNull = s
|
---|
721 | End If
|
---|
722 | End Function
|
---|
723 | End Class
|
---|
724 |
|
---|
725 | Enum StringSplitOptions
|
---|
726 | None
|
---|
727 | RemoveEmptyEntries
|
---|
728 | End Enum
|
---|
729 |
|
---|
730 | End Namespace
|
---|