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