[132] | 1 | ' Classes/System/String.ab
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| 2 |
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| 3 | #require <basic/function.sbp>
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[272] | 4 | #require <Classes/System/Text/StringBuilder.ab>
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| 5 | #require <Classes/ActiveBasic/Strings/Strings.ab>
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[132] | 6 |
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[139] | 7 | #ifdef __STRING_IS_NOT_ALWAYS_UNICODE
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| 8 | TypeDef StrChar = Char
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| 9 | #ifndef UNICODE
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| 10 | #define __STRING_IS_NOT_UNICODE
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| 11 | #endif
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| 12 | #else
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| 13 | TypeDef StrChar = WCHAR
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[142] | 14 | #ifndef UNICODE
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| 15 | #define __STRING_UNICODE_WINDOWS_ANSI
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[139] | 16 | #endif
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[142] | 17 | #endif
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[139] | 18 |
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[246] | 19 | Namespace System
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[203] | 20 |
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[246] | 21 | Class String
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| 22 | ' Inherits IComparable, ICloneable, IConvertible, IEnumerable
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[1] | 23 |
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[246] | 24 | m_Length As Long
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| 25 | Chars As *StrChar
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[1] | 26 |
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[272] | 27 | Sub validPointerCheck(p As VoidPtr, size = 1 As Long)
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| 28 | If p As ULONG_PTR < &h10000 Then
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| 29 | 'Throw ArgumentException
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| 30 | Debug
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| 31 | ElseIf IsBadReadPtr(p, size As ULONG_PTR) Then
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| 32 | 'Throw ArgumentException
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| 33 | Debug
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| 34 | End If
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| 35 | End Sub
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| 36 | Public
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| 37 | Static Const Empty = New String
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| 38 |
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[246] | 39 | Sub String()
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[272] | 40 | ' Chars = 0
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| 41 | ' m_Length = 0
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[246] | 42 | End Sub
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[30] | 43 |
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[272] | 44 | Sub String(initStr As PCWSTR)
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| 45 | validPointerCheck(initStr)
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| 46 | Assign(initStr, lstrlenW(initStr))
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[246] | 47 | End Sub
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[125] | 48 |
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[272] | 49 | Sub String(initStr As PCWSTR, length As Long)
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| 50 | validPointerCheck(initStr, length)
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[246] | 51 | Assign(initStr, length)
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| 52 | End Sub
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[139] | 53 |
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[272] | 54 | Sub String(initStr As PCWSTR, start As Long, length As Long)
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| 55 | If start < 0 Or length Or start + length < 0 Then
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| 56 | 'Throw New ArgumentOutOfRangeException
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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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[246] | 60 | End Sub
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[139] | 61 |
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[272] | 62 | Sub String(initStr As PCSTR)
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| 63 | validPointerCheck(initStr)
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| 64 | Assign(initStr, lstrlenA(initStr))
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[246] | 65 | End Sub
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[49] | 66 |
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[272] | 67 | Sub String(initStr As PCSTR, length As Long)
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| 68 | validPointerCheck(initStr, length)
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| 69 | Assign(initStr, length)
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[246] | 70 | End Sub
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[121] | 71 |
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[272] | 72 | Sub String(initStr As PCSTR, start As Long, length As Long)
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| 73 | If start < 0 Or length Or start + length < 0 Then
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| 74 | 'Throw New ArgumentOutOfRangeException
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| 75 | End If
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| 76 | validPointerCheck(initStr + start, length)
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| 77 | Assign(initStr + start, length)
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[246] | 78 | End Sub
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[272] | 79 |
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| 80 | Sub String(initStr As String)
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| 81 | If Not String.IsNullOrEmpty(initStr) Then
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| 82 | Assign(initStr.Chars, initStr.m_Length)
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| 83 | End If
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| 84 | End Sub
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[1] | 85 |
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[246] | 86 | Sub String(initChar As StrChar, length As Long)
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[272] | 87 | AllocStringBuffer(length)
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| 88 | ActiveBasic.Strings.ChrFill(Chars, length, initChar)
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| 89 | Chars[length] = 0
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[246] | 90 | End Sub
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| 91 |
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[272] | 92 | Sub String(sb As System.Text.StringBuilder)
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| 93 | Chars = StrPtr(sb)
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| 94 | m_Length = sb.Length
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| 95 | sb.__Stringized()
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[246] | 96 | End Sub
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[1] | 97 |
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[246] | 98 | Const Function Length() As Long
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| 99 | Return m_Length
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| 100 | End Function
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[30] | 101 |
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[246] | 102 | Function Operator() As *StrChar
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| 103 | Return Chars
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| 104 | End Function
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[1] | 105 |
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[246] | 106 | Const Function Operator [] (n As Long) As StrChar
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[272] | 107 | rangeCheck(n)
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[246] | 108 | Return Chars[n]
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| 109 | End Function
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[1] | 110 |
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[272] | 111 | Const Function Operator + (y As PCSTR) As String
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| 112 | Return Concat(y, lstrlenA(y))
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[246] | 113 | End Function
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[139] | 114 |
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[272] | 115 | Const Function Operator + (y As PCWSTR) As String
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| 116 | Return Concat(y, lstrlenW(y))
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[246] | 117 | End Function
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[139] | 118 |
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[272] | 119 | Const Function Operator + (y As String) As String
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| 120 | Return Concat(y.Chars, y.m_Length)
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[246] | 121 | End Function
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[1] | 122 |
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[272] | 123 | Const Function Operator & (y As PCSTR) As String
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| 124 | Return This + y
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[246] | 125 | End Function
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[1] | 126 |
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[272] | 127 | Const Function Operator & (y As PCWSTR) As String
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| 128 | Dim tempString = This + y
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[246] | 129 | Return tempString
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| 130 | End Function
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[139] | 131 |
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[272] | 132 | Const Function Operator & (y As String) As String
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| 133 | Dim tempString = This + y
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[246] | 134 | Return tempString
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| 135 | End Function
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[1] | 136 |
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[272] | 137 | Const Function Operator == (y As String) As Boolean
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| 138 | Return String.Compare(This, y) = 0
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[246] | 139 | End Function
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[1] | 140 |
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[272] | 141 | Const Function Operator == (y As *StrChar) As Boolean
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| 142 | Return String.Compare(This, y) = 0
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[246] | 143 | End Function
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[1] | 144 |
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[272] | 145 | Const Function Operator <> (y As String) As Boolean
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| 146 | Return String.Compare(This, y) <> 0
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[246] | 147 | End Function
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[1] | 148 |
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[272] | 149 | Const Function Operator <> (y As *StrChar) As Boolean
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| 150 | Return String.Compare(This, y) <> 0
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[246] | 151 | End Function
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[1] | 152 |
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[272] | 153 | Const Function Operator < (y As String) As Boolean
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| 154 | Return String.Compare(This, y) < 0
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[246] | 155 | End Function
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[1] | 156 |
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[272] | 157 | Const Function Operator < (y As *StrChar) As Boolean
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| 158 | Return String.Compare(This, y) < 0
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[246] | 159 | End Function
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[1] | 160 |
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[272] | 161 | Const Function Operator > (y As String) As Boolean
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| 162 | Return String.Compare(This, y) > 0
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[246] | 163 | End Function
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[1] | 164 |
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[272] | 165 | Const Function Operator > (y As *StrChar) As Boolean
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| 166 | Return String.Compare(This, y) > 0
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[246] | 167 | End Function
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[1] | 168 |
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[272] | 169 | Const Function Operator <= (y As String) As Boolean
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| 170 | Return String.Compare(This, y) <= 0
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[246] | 171 | End Function
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[1] | 172 |
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[272] | 173 | Const Function Operator <= (y As *StrChar) As Boolean
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| 174 | Return String.Compare(This, y) <= 0
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[246] | 175 | End Function
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[1] | 176 |
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[272] | 177 | Const Function Operator >= (y As String) As Boolean
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| 178 | Return String.Compare(This, y) >= 0
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[246] | 179 | End Function
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[1] | 180 |
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[272] | 181 | Const Function Operator >= (y As *StrChar) As Boolean
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| 182 | Return String.Compare(This, y) >= 0
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[246] | 183 | End Function
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[1] | 184 |
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[246] | 185 | Static Function Compare(x As String, y As String) As Long
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| 186 | Return CompareOrdinal(x, y)
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| 187 | End Function
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[203] | 188 |
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[272] | 189 | Public
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[246] | 190 | Static Function Compare(x As String, indexX As Long, y As String, indexY As Long, length As Long) As Long
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[272] | 191 | Return String.CompareOrdinal(x, indexX, y, indexY, length)
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[246] | 192 | End Function
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[203] | 193 |
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[246] | 194 | Static Function CompareOrdinal(x As String, y As String) As Long
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[272] | 195 | Return String.CompareOrdinal(x.Chars, y.Chars)
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[246] | 196 | End Function
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[203] | 197 |
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[246] | 198 | Static Function CompareOrdinal(x As String, indexX As Long, y As String, indexY As Long, length As Long) As Long
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[272] | 199 | Return String.CompareOrdinal(x.Chars, indexX, y.Chars, indexY, length)
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| 200 | End Function
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| 201 | Private
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| 202 | Static Function Compare(x As String, y As *StrChar) As Long
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| 203 | Return String.CompareOrdinal(x, y)
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| 204 | End Function
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| 205 |
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| 206 | Static Function CompareOrdinal(x As String, y As *StrChar) As Long
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| 207 | Return String.CompareOrdinal(x.Chars, y)
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| 208 | End Function
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| 209 |
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| 210 | Static Function CompareOrdinal(x As *StrChar, y As *StrChar) As Long
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| 211 | If x = 0 Then
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| 212 | If y = 0 Then
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[246] | 213 | Return 0
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| 214 | Else
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| 215 | Return -1
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| 216 | End If
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[272] | 217 | ElseIf y = 0 Then
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[246] | 218 | Return 1
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[203] | 219 | End If
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[272] | 220 | Return ActiveBasic.Strings.StrCmp(x, y)
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[246] | 221 | End Function
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[203] | 222 |
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[272] | 223 | Static Function CompareOrdinal(x As *StrChar, indexX As Long, y As *StrChar, indexY As Long, length As Long) As Long
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| 224 | If x = 0 Then
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| 225 | If y = 0 Then
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| 226 | Return 0
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| 227 | Else
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| 228 | Return -1
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| 229 | End If
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| 230 | ElseIf y = 0 Then
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| 231 | Return 1
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| 232 | End If
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| 233 | Return ActiveBasic.Strings.ChrCmp(VarPtr(x[indexX]), VarPtr(y[indexY]), length As SIZE_T)
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| 234 | End Function
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| 235 | Public
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[246] | 236 | Function CompareTo(y As String) As Long
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| 237 | Return String.Compare(This, y)
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| 238 | End Function
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[203] | 239 |
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[246] | 240 | Function CompareTo(y As Object) As Long
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| 241 | Dim s = y As String
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| 242 | ' If y is not String Then
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| 243 | ' Throw New ArgumentException
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| 244 | ' End If
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[272] | 245 | Return CompareTo(y As String)
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[246] | 246 | End Function
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[203] | 247 |
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[246] | 248 | Const Function StrPtr() As *StrChar
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| 249 | Return Chars
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| 250 | End Function
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[272] | 251 | Private
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[1] | 252 |
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[246] | 253 | Sub Assign(text As PCSTR, textLengthA As Long)
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[175] | 254 | #ifdef __STRING_IS_NOT_UNICODE
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[246] | 255 | AssignFromStrChar(text, textLengthA)
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[139] | 256 | #else
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[246] | 257 | Dim textLengthW = MultiByteToWideChar(CP_THREAD_ACP, 0, text, textLengthA, 0, 0)
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| 258 | If AllocStringBuffer(textLengthW) <> 0 Then
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| 259 | MultiByteToWideChar(CP_THREAD_ACP, 0, text, textLengthA, Chars, textLengthW)
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| 260 | Chars[textLengthW] = 0
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| 261 | End If
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[139] | 262 | #endif
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[246] | 263 | End Sub
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[1] | 264 |
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[246] | 265 | Sub Assign(text As PCWSTR, textLengthW As Long)
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[139] | 266 | #ifdef __STRING_IS_NOT_UNICODE
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[246] | 267 | Dim textLengthA = WideCharToMultiByte(CP_THREAD_ACP, 0, text, textLengthW, 0, 0, 0, 0)
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| 268 | If AllocStringBuffer(textLengthA) <> 0 Then
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| 269 | WideCharToMultiByte(CP_THREAD_ACP, 0, text, textLengthW, Chars, textLengthA, 0, 0)
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| 270 | Chars[textLengthA] = 0
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| 271 | End If
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[139] | 272 | #else
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[246] | 273 | AssignFromStrChar(text, textLengthW)
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[139] | 274 | #endif
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[246] | 275 | End Sub
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[139] | 276 |
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[246] | 277 | Private
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| 278 | Static Function ConcatStrChar(text1 As *StrChar, text1Length As Long, text2 As *StrChar, text2Length As Long) As String
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| 279 | ConcatStrChar = New String()
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| 280 | With ConcatStrChar
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| 281 | .AllocStringBuffer(text1Length + text2Length)
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[272] | 282 | ActiveBasic.Strings.ChrCopy(.Chars, text1, text1Length As SIZE_T)
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| 283 | ActiveBasic.Strings.ChrCopy(VarPtr(.Chars[text1Length]), text2, text2Length As SIZE_T)
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[246] | 284 | .Chars[text1Length + text2Length] = 0
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| 285 | End With
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| 286 | End Function
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| 287 | Public
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| 288 | Const Function Concat(text As PCSTR, len As Long) As String
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[139] | 289 | #ifdef __STRING_IS_NOT_UNICODE
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[246] | 290 | Return ConcatStrChar(This.Chars, m_Length, text, len)
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[139] | 291 | #else
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[246] | 292 | With Concat
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| 293 | Dim lenW = MultiByteToWideChar(CP_THREAD_ACP, 0, text, len, 0, 0)
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[272] | 294 | Concat = New String
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[246] | 295 | .AllocStringBuffer(m_Length + lenW)
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[272] | 296 | ActiveBasic.Strings.ChrCopy(.Chars, This.Chars, m_Length)
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[246] | 297 | MultiByteToWideChar(CP_THREAD_ACP, 0, text, len, VarPtr(.Chars[m_Length]), lenW)
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| 298 | .Chars[m_Length + lenW] = 0
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| 299 | End With
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[139] | 300 | #endif
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[246] | 301 | End Function
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[132] | 302 |
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[246] | 303 | Const Function Concat(text As PCWSTR, len As Long) As String
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[139] | 304 | #ifdef __STRING_IS_NOT_UNICODE
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[246] | 305 | With Concat
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[272] | 306 | Concat = New String
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[246] | 307 | Dim lenA = WideCharToMultiByte(CP_THREAD_ACP, 0, text, len, 0, 0, 0, 0)
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| 308 | .AllocStringBuffer(m_Length + lenA)
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[272] | 309 | ActiveBasic.Strings.ChrCopy(.Chars, This.Chars, m_Length As SIZE_T)
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[246] | 310 | WideCharToMultiByte(CP_THREAD_ACP, 0, text, len, VarPtr(.Chars[m_Length]), lenA, 0, 0)
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| 311 | .Chars[m_Length + lenA] = 0
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| 312 | End With
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[139] | 313 | #else
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[246] | 314 | Return ConcatStrChar(This.Chars, m_Length, text, len)
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[139] | 315 | #endif
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[246] | 316 | End Function
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[203] | 317 |
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[246] | 318 | Static Function Concat(x As String, y As String) As String
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| 319 | If String.IsNullOrEmpty(x) Then
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| 320 | Return y
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| 321 | Else
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| 322 | Return x.Concat(y.Chars, y.m_Length)
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| 323 | End If
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| 324 | End Function
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[203] | 325 |
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[246] | 326 | Static Function Concat(x As Object, y As Object) As String
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| 327 | Return String.Concat(x.ToString, y.ToString)
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| 328 | End Function
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[203] | 329 |
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[272] | 330 | Const Function Contains(s As String) As Boolean
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| 331 | If Object.ReferenceEquals(s, Nothing) Then
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| 332 | 'Throw New ArgumentNullException
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| 333 | End If
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| 334 | Return IndexOf(s, 0, m_Length) >= 0
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[246] | 335 | End Function
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[1] | 336 |
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[272] | 337 | Const Function IndexOf(c As StrChar) As Long
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| 338 | Return indexOfCore(c, 0, m_Length)
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[246] | 339 | End Function
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[1] | 340 |
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[272] | 341 | Const Function IndexOf(c As StrChar, start As Long) As Long
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| 342 | rangeCheck(start)
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| 343 | Return indexOfCore(c, start, m_Length - start)
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[246] | 344 | End Function
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[1] | 345 |
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[272] | 346 | Const Function IndexOf(c As StrChar, start As Long, count As Long) As Long
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| 347 | rangeCheck(start, count)
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| 348 | Return indexOfCore(c, start, count)
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[246] | 349 | End Function
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[272] | 350 | Private
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| 351 | Const Function indexOfCore(c As StrChar, start As Long, count As Long) As Long
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| 352 | indexOfCore = ActiveBasic.Strings.ChrFind(VarPtr(Chars[start]), count, c)
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| 353 | If indexOfCore <> -1 Then
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| 354 | indexOfCore += start
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| 355 | End If
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| 356 | End Function
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| 357 | Public
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| 358 | Const Function IndexOf(s As String) As Long
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| 359 | Return IndexOf(s, 0, m_Length)
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| 360 | End Function
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[1] | 361 |
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[272] | 362 | Const Function IndexOf(s As String, startIndex As Long) As Long
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| 363 | Return IndexOf(s, startIndex, m_Length - startIndex)
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| 364 | End Function
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[1] | 365 |
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[272] | 366 | Const Function IndexOf(s As String, startIndex As Long, count As Long) As Long
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| 367 | rangeCheck(startIndex, count)
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| 368 | If Object.ReferenceEquals(s, Nothing) Then
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| 369 | 'Throw New ArgumentNullException
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| 370 | Debug
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| 371 | End If
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[1] | 372 |
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[272] | 373 | Dim length = s.Length
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[246] | 374 | If length = 0 Then Return startIndex
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[1] | 375 |
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[246] | 376 | Dim i As Long, j As Long
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| 377 | For i = startIndex To startIndex + count - 1
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| 378 | For j = 0 To length - 1
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[272] | 379 | If Chars[i + j] = s[j] Then
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[246] | 380 | If j = length - 1 Then Return i
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| 381 | Else
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| 382 | Exit For
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| 383 | End If
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| 384 | Next
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[1] | 385 | Next
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[246] | 386 | Return -1
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| 387 | End Function
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[1] | 388 |
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[272] | 389 | Const Function LastIndexOf(s As String) As Long
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| 390 | Return LastIndexOf(s, m_Length - 1, m_Length)
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[246] | 391 | End Function
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[1] | 392 |
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[272] | 393 | Const Function LastIndexOf(s As String, startIndex As Long) As Long
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| 394 | Return LastIndexOf(s, startIndex, startIndex + 1)
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[246] | 395 | End Function
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[1] | 396 |
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[272] | 397 | Const Function LastIndexOf(s As String, startIndex As Long, count As Long) As Long
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| 398 | If Object.ReferenceEquals(s, Nothing) Then
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| 399 | 'Throw New ArgumentNullException
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| 400 | Debug
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| 401 | End If
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[1] | 402 |
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[272] | 403 | If startIndex < 0 Or startIndex > m_Length - 1 Or _
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| 404 | count < 0 Or count > startIndex + 2 Then
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| 405 | 'Throw New ArgumentOutOfRangeException
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| 406 | Debug
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| 407 | End If
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| 408 | Dim length = s.Length
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[246] | 409 | If length > m_Length Then Return -1
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| 410 | If length = 0 Then Return startIndex
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[1] | 411 |
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[246] | 412 | Dim i As Long, j As Long
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| 413 | For i = startIndex To startIndex - count + 1 Step -1
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| 414 | For j = length - 1 To 0 Step -1
|
---|
[272] | 415 | If Chars[i + j] = s[j] Then
|
---|
[246] | 416 | If j = 0 Then Return i
|
---|
| 417 | Else
|
---|
| 418 | Exit For
|
---|
| 419 | End If
|
---|
| 420 | Next
|
---|
[1] | 421 | Next
|
---|
[246] | 422 | Return -1
|
---|
| 423 | End Function
|
---|
[1] | 424 |
|
---|
[272] | 425 | Const Function StartsWith(s As String) As Boolean
|
---|
| 426 | Return IndexOf(s) = 0
|
---|
[246] | 427 | End Function
|
---|
[1] | 428 |
|
---|
[272] | 429 | Const Function EndsWith(s As String) As Boolean
|
---|
| 430 | Return LastIndexOf(s) = m_Length - s.Length
|
---|
[246] | 431 | End Function
|
---|
[1] | 432 |
|
---|
[246] | 433 | Const Function Insert(startIndex As Long, text As String) As String
|
---|
[272] | 434 | Dim sb = New System.Text.StringBuilder(This)
|
---|
| 435 | sb.Insert(startIndex, text)
|
---|
| 436 | Return sb.ToString
|
---|
[246] | 437 | End Function
|
---|
[1] | 438 |
|
---|
[272] | 439 | Const Function Substring(startIndex As Long) As String
|
---|
| 440 | rangeCheck(startIndex)
|
---|
| 441 | Return Substring(startIndex, m_Length - startIndex)
|
---|
[246] | 442 | End Function
|
---|
[1] | 443 |
|
---|
[272] | 444 | Const Function Substring(startIndex As Long, length As Long) As String
|
---|
| 445 | rangeCheck(startIndex, length)
|
---|
| 446 | Return New String(Chars, startIndex, length)
|
---|
[246] | 447 | End Function
|
---|
[1] | 448 |
|
---|
[246] | 449 | Const Function Remove(startIndex As Long) As String
|
---|
[272] | 450 | rangeCheck(startIndex)
|
---|
| 451 | Remove = Substring(0, startIndex)
|
---|
[246] | 452 | End Function
|
---|
[1] | 453 |
|
---|
[246] | 454 | Const Function Remove(startIndex As Long, count As Long) As String
|
---|
[272] | 455 | Dim sb = New System.Text.StringBuilder(This)
|
---|
| 456 | sb.Remove(startIndex, count)
|
---|
| 457 | Remove = sb.ToString
|
---|
[246] | 458 | End Function
|
---|
[192] | 459 |
|
---|
[246] | 460 | Static Function IsNullOrEmpty(s As String) As Boolean
|
---|
| 461 | If Not Object.ReferenceEquals(s, Nothing) Then
|
---|
| 462 | If s.m_Length > 0 Then
|
---|
| 463 | Return False
|
---|
| 464 | End If
|
---|
[132] | 465 | End If
|
---|
[246] | 466 | Return True
|
---|
| 467 | End Function
|
---|
[192] | 468 |
|
---|
[246] | 469 | Const Function Replace(oldChar As StrChar, newChar As StrChar) As String
|
---|
[272] | 470 | Dim sb = New System.Text.StringBuilder(This)
|
---|
| 471 | sb.Replace(oldChar, newChar)
|
---|
| 472 | Replace = sb.ToString
|
---|
[246] | 473 | End Function
|
---|
[1] | 474 |
|
---|
[272] | 475 | Const Function Replace(oldStr As String, newStr As String) As String
|
---|
| 476 | Dim sb = New System.Text.StringBuilder(This)
|
---|
| 477 | sb.Replace(oldStr, newStr)
|
---|
| 478 | Return sb.ToString
|
---|
[246] | 479 | End Function
|
---|
[1] | 480 |
|
---|
[246] | 481 | Const Function ToLower() As String
|
---|
[272] | 482 | Dim sb = New System.Text.StringBuilder(m_Length)
|
---|
| 483 | sb.Length = m_Length
|
---|
[246] | 484 | Dim i As Long
|
---|
| 485 | For i = 0 To ELM(m_Length)
|
---|
[272] | 486 | sb[i] = _System_ASCII_ToLower(Chars[i])
|
---|
[246] | 487 | Next
|
---|
[272] | 488 | Return sb.ToString
|
---|
[246] | 489 | End Function
|
---|
[1] | 490 |
|
---|
[246] | 491 | Const Function ToUpper() As String
|
---|
[272] | 492 | Dim sb = New System.Text.StringBuilder(m_Length)
|
---|
| 493 | sb.Length = m_Length
|
---|
[246] | 494 | Dim i As Long
|
---|
| 495 | For i = 0 To ELM(m_Length)
|
---|
[272] | 496 | sb[i] = _System_ASCII_ToUpper(Chars[i])
|
---|
[246] | 497 | Next
|
---|
[272] | 498 | Return sb.ToString
|
---|
[246] | 499 | End Function
|
---|
[272] | 500 |
|
---|
[246] | 501 | Override Function ToString() As String
|
---|
[272] | 502 | ToString = This
|
---|
[246] | 503 | End Function
|
---|
[119] | 504 |
|
---|
[272] | 505 | Const Function Clone() As String
|
---|
| 506 | Clone = This
|
---|
| 507 | End Function
|
---|
[246] | 508 | Static Function Copy(s As String) As String
|
---|
[272] | 509 | Copy = New String(s.Chars, s.m_Length)
|
---|
[246] | 510 | End Function
|
---|
[132] | 511 |
|
---|
[272] | 512 | Sub CopyTo(sourceIndex As Long, destination As *StrChar, destinationIndex As Long, count As Long)
|
---|
| 513 | ActiveBasic.Strings.ChrCopy(VarPtr(destination[destinationIndex]), VarPtr(Chars[sourceIndex]), count As SIZE_T)
|
---|
| 514 | End Sub
|
---|
| 515 |
|
---|
[246] | 516 | Override Function GetHashCode() As Long
|
---|
[143] | 517 | #ifdef __STRING_IS_NOT_UNICODE
|
---|
[246] | 518 | Dim size = (m_Length + 1) >> 1
|
---|
[143] | 519 | #else
|
---|
[246] | 520 | Dim size = m_Length
|
---|
[143] | 521 | #endif
|
---|
[246] | 522 | Return _System_GetHashFromWordArray(Chars As *Word, size)
|
---|
| 523 | End Function
|
---|
[272] | 524 |
|
---|
| 525 | Function PadLeft(total As Long) As String
|
---|
| 526 | PadLeft(total, &h30 As StrChar)
|
---|
| 527 | End Function
|
---|
| 528 |
|
---|
| 529 | Function PadLeft(total As Long, c As StrChar) As String
|
---|
| 530 | If total < 0 Then
|
---|
| 531 | 'Throw New ArgumentException
|
---|
| 532 | End If
|
---|
| 533 | If total >= m_Length Then
|
---|
| 534 | Return This
|
---|
| 535 | End If
|
---|
| 536 | Dim sb = New System.Text.StringBuilder(total)
|
---|
| 537 | sb.Append(c, total - m_Length)
|
---|
| 538 | sb.Append(This)
|
---|
| 539 | Return sb.ToString
|
---|
| 540 | End Function
|
---|
| 541 |
|
---|
| 542 | Function PadRight(total As Long) As String
|
---|
| 543 | PadLeft(total, &h30 As StrChar)
|
---|
| 544 | End Function
|
---|
| 545 |
|
---|
| 546 | Function PadRight(total As Long, c As StrChar) As String
|
---|
| 547 | If total < 0 Then
|
---|
| 548 | 'Throw New ArgumentException
|
---|
| 549 | End If
|
---|
| 550 | If total >= m_Length Then
|
---|
| 551 | Return This
|
---|
| 552 | End If
|
---|
| 553 | Dim sb = New System.Text.StringBuilder(total)
|
---|
| 554 | sb.Append(This)
|
---|
| 555 | sb.Append(c, total - m_Length)
|
---|
| 556 | Return sb.ToString
|
---|
| 557 | End Function
|
---|
[246] | 558 | Private
|
---|
| 559 | Function AllocStringBuffer(textLength As Long) As *StrChar
|
---|
| 560 | If textLength < 0 Then
|
---|
| 561 | Return 0
|
---|
[1] | 562 | End If
|
---|
[272] | 563 | AllocStringBuffer = GC_malloc_atomic(SizeOf(StrChar) * (textLength + 1))
|
---|
| 564 | If AllocStringBuffer = 0 Then
|
---|
| 565 | 'Throw New OutOfMemoryException
|
---|
[246] | 566 | End If
|
---|
[272] | 567 | m_Length = textLength
|
---|
| 568 | Chars = AllocStringBuffer
|
---|
[246] | 569 | End Function
|
---|
[132] | 570 |
|
---|
[246] | 571 | Sub AssignFromStrChar(text As *StrChar, textLength As Long)
|
---|
[272] | 572 | AllocStringBuffer(textLength)
|
---|
| 573 | ActiveBasic.Strings.ChrCopy(Chars, text, textLength As SIZE_T)
|
---|
| 574 | Chars[m_Length] = 0
|
---|
| 575 | End Sub
|
---|
| 576 |
|
---|
| 577 | Const Sub rangeCheck(index As Long)
|
---|
| 578 | If index < 0 Or index > m_Length Then
|
---|
| 579 | Debug 'ArgumentOutOfRangeException
|
---|
[246] | 580 | End If
|
---|
| 581 | End Sub
|
---|
[272] | 582 |
|
---|
| 583 | Const Sub rangeCheck(start As Long, length As Long)
|
---|
| 584 | If start < 0 Or start > This.m_Length Or length < 0 Then
|
---|
| 585 | Debug 'ArgumentOutOfRangeException
|
---|
| 586 | End If
|
---|
| 587 | End Sub
|
---|
[246] | 588 | End Class
|
---|
| 589 |
|
---|
| 590 | End Namespace
|
---|