[132] | 1 | ' Classes/System/String.ab
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| 2 |
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| 3 | #require <basic/function.sbp>
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| 4 |
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[139] | 5 | #ifdef __STRING_IS_NOT_ALWAYS_UNICODE
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| 6 | TypeDef StrChar = Char
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| 7 | #ifndef UNICODE
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| 8 | #define __STRING_IS_NOT_UNICODE
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| 9 | #endif
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| 10 | #else
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| 11 | TypeDef StrChar = WCHAR
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[142] | 12 | #ifndef UNICODE
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| 13 | #define __STRING_UNICODE_WINDOWS_ANSI
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[139] | 14 | #endif
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[142] | 15 | #endif
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[139] | 16 |
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[1] | 17 | Class String
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[203] | 18 | ' Inherits IComparable, ICloneable, IConvertible, IEnumerable
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| 19 |
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[30] | 20 | m_Length As Long
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[1] | 21 | Public
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[139] | 22 | Chars As *StrChar
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[1] | 23 |
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| 24 | Sub String()
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[203] | 25 | Chars = _System_malloc(SizeOf (StrChar))
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[193] | 26 | Chars[0] = 0
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[30] | 27 | m_Length = 0
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[1] | 28 | End Sub
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| 29 |
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[183] | 30 | /* Sub String(initStr As *Byte)
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[1] | 31 | String()
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[139] | 32 | Assign(initStr As PCTSTR)
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[183] | 33 | End Sub*/
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[139] | 34 |
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| 35 | Sub String(initStr As PCSTR)
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| 36 | String()
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[1] | 37 | Assign(initStr)
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| 38 | End Sub
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[30] | 39 |
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[139] | 40 | Sub String(initStr As PCSTR, length As Long)
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[125] | 41 | String()
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| 42 | Assign(initStr, length)
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| 43 | End Sub
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| 44 |
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[139] | 45 | Sub String(initStr As PCWSTR)
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| 46 | String()
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| 47 | Assign(initStr)
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| 48 | End Sub
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| 49 |
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| 50 | Sub String(initStr As PCWSTR, length As Long)
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| 51 | String()
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| 52 | Assign(initStr, length)
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| 53 | End Sub
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| 54 |
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[49] | 55 | Sub String(ByRef initStr As String)
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[1] | 56 | String()
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| 57 | Assign(initStr)
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| 58 | End Sub
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[49] | 59 |
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[1] | 60 | Sub String(length As Long)
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[121] | 61 | String()
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[1] | 62 | ReSize(length)
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| 63 | End Sub
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[121] | 64 |
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[139] | 65 | Sub String(initChar As StrChar, length As Long)
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[1] | 66 | ReSize(length, initChar)
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| 67 | End Sub
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| 68 |
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| 69 | Sub ~String()
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[123] | 70 | _System_free(Chars)
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[31] | 71 | Chars = 0
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[1] | 72 | #ifdef _DEBUG
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[30] | 73 | m_Length = 0
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[1] | 74 | #endif
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| 75 | End Sub
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| 76 |
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[121] | 77 | Const Function Length() As Long
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[30] | 78 | Return m_Length
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| 79 | End Function
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| 80 |
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[139] | 81 | Function Operator() As *StrChar
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[31] | 82 | Return Chars
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[1] | 83 | End Function
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| 84 |
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[183] | 85 | /* Sub Operator = (ByRef objString As String)
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[31] | 86 | Assign(objString.Chars, objString.m_Length)
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[1] | 87 | End Sub
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| 88 |
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[139] | 89 | Sub Operator = (text As *Byte)
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| 90 | Assign(text As PCTSTR)
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| 91 | End Sub
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| 92 |
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| 93 | Sub Operator = (text As PCSTR)
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[1] | 94 | Assign(text)
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| 95 | End Sub
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| 96 |
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[139] | 97 | Sub Operator = (text As PCWSTR)
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| 98 | Assign(text)
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[183] | 99 | End Sub*/
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[139] | 100 |
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| 101 | Const Function Operator [] (n As Long) As StrChar
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| 102 | #ifdef _DEBUG
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| 103 | If n > Length Then
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| 104 | 'Throw ArgumentOutOfRangeException
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| 105 | Debug
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| 106 | End If
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| 107 | #endif
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[31] | 108 | Return Chars[n]
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[1] | 109 | End Function
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| 110 |
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[139] | 111 | Sub Operator []= (n As Long, c As StrChar)
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| 112 | #ifdef _DEBUG
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| 113 | If n >= Length Then
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| 114 | 'Throw ArgumentOutOfRangeException
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| 115 | Debug
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| 116 | End If
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| 117 | #endif
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[31] | 118 | Chars[n] = c
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[1] | 119 | End Sub
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| 120 |
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[183] | 121 | /* Const Function Operator + (text As *Byte) As String
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[139] | 122 | Return Concat(text As PCTSTR, lstrlen(text))
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[183] | 123 | End Function*/
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[1] | 124 |
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[139] | 125 | Const Function Operator + (text As PCSTR) As String
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| 126 | Return Concat(text, lstrlenA(text))
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| 127 | End Function
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| 128 |
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| 129 | Const Function Operator + (text As PCWSTR) As String
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| 130 | Return Concat(text, lstrlenW(text))
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| 131 | End Function
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| 132 |
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[203] | 133 | Const Function Operator + (objString As String) As String
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[139] | 134 | Return Concat(objString.Chars, objString.m_Length)
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[1] | 135 | End Function
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| 136 |
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[139] | 137 | Const Function Operator & (text As PCSTR) As String
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| 138 | Dim tempString = This + text
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[1] | 139 | Return tempString
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| 140 | End Function
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| 141 |
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[139] | 142 | Const Function Operator & (text As PCWSTR) As String
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| 143 | Dim tempString = This + text
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| 144 | Return tempString
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| 145 | End Function
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| 146 |
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[203] | 147 | Const Function Operator & (objString As String) As String
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[121] | 148 | Dim tempString = This + objString
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[1] | 149 | Return tempString
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| 150 | End Function
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| 151 |
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[203] | 152 | Const Function Operator == (objString As String) As Boolean
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| 153 | Return String.Compare(This, objString) = 0
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[1] | 154 | End Function
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| 155 |
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[139] | 156 | Const Function Operator == (text As *StrChar) As Long
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[182] | 157 | Return _System_StrCmp(This.Chars, text) = 0
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[1] | 158 | End Function
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| 159 |
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[203] | 160 | Const Function Operator <> (objString As String) As Boolean
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| 161 | Return String.Compare(This, objString) <> 0
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[1] | 162 | End Function
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| 163 |
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[139] | 164 | Const Function Operator <> (text As *StrChar) As Boolean
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[182] | 165 | Return _System_StrCmp(This.Chars, text) <> 0
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[1] | 166 | End Function
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| 167 |
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[203] | 168 | Const Function Operator < (objString As String) As Boolean
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| 169 | Return String.Compare(This, objString) < 0
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[1] | 170 | End Function
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| 171 |
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[139] | 172 | Const Function Operator < (text As *StrChar) As Boolean
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[182] | 173 | Return _System_StrCmp(This.Chars, text) < 0
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[1] | 174 | End Function
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| 175 |
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[203] | 176 | Const Function Operator > (objString As String) As Boolean
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| 177 | Return String.Compare(This, objString) > 0
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[1] | 178 | End Function
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| 179 |
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[139] | 180 | Const Function Operator > (text As *StrChar) As Boolean
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[182] | 181 | Return _System_StrCmp(This.Chars, text) > 0
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[1] | 182 | End Function
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| 183 |
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[203] | 184 | Const Function Operator <= (objString As String) As Boolean
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| 185 | Return String.Compare(This, objString) <= 0
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[1] | 186 | End Function
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| 187 |
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[139] | 188 | Const Function Operator <= (text As *StrChar) As Boolean
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[182] | 189 | Return _System_StrCmp(This.Chars, text) <= 0
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[1] | 190 | End Function
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| 191 |
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[203] | 192 | Const Function Operator >= (objString As String) As Boolean
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| 193 | Return String.Compare(This, objString) >= 0
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[1] | 194 | End Function
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| 195 |
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[139] | 196 | Const Function Operator >= (text As *StrChar) As Boolean
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[182] | 197 | Return _System_StrCmp(This.Chars, text) >= 0
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[1] | 198 | End Function
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| 199 |
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[203] | 200 | Static Function Compare(x As String, y As String) As Long
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| 201 | Return CompareOrdinal(x, y)
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| 202 | End Function
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| 203 |
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| 204 | Static Function Compare(x As String, indexX As Long, y As String, indexY As Long, length As Long) As Long
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| 205 | Return CompareOrdinal(x, indexX, y, indexY, length)
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| 206 | End Function
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| 207 |
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| 208 | Static Function CompareOrdinal(x As String, y As String) As Long
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| 209 | Return _System_StrCmp(x.Chars, y.Chars)
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| 210 | End Function
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| 211 |
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| 212 | Static Function CompareOrdinal(x As String, indexX As Long, y As String, indexY As Long, length As Long) As Long
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| 213 | If x = Nothing Then
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| 214 | If y = Nothing Then
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| 215 | Return 0
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| 216 | Else
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| 217 | Return -1
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| 218 | End If
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| 219 | ElseIf y = Nothing Then
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| 220 | Return 1
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| 221 | End If
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| 222 | Return _System_StrCmpN(VarPtr(x.Chars[indexX]), VarPtr(y.Chars[indexY]), length)
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| 223 | End Function
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| 224 |
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| 225 | Function CompareTo(y As String) As Long
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| 226 | Return String.Compare(This, y)
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| 227 | End Function
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| 228 |
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| 229 | Function CompareTo(y As Object) As Long
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| 230 | Dim s = y As String
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| 231 | ' If y is not String Then
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| 232 | ' Throw New ArgumentException
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| 233 | ' End If
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| 234 | Return CompareTo(y)
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| 235 | End Function
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| 236 |
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[139] | 237 | Const Function StrPtr() As *StrChar
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[31] | 238 | Return Chars
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[1] | 239 | End Function
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| 240 |
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| 241 | Sub ReSize(allocLength As Long)
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| 242 | If allocLength < 0 Then Exit Sub
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[30] | 243 | If allocLength > m_Length Then
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[1] | 244 | Dim oldLength As Long
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[30] | 245 | oldLength = m_Length
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[1] | 246 | If AllocStringBuffer(allocLength) <> 0 Then
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[139] | 247 | ZeroMemory(VarPtr(Chars[oldLength]), SizeOf (StrChar) * (m_Length - oldLength + 1))
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[1] | 248 | End If
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| 249 | Else
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[30] | 250 | m_Length = allocLength
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[31] | 251 | Chars[m_Length] = 0
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[1] | 252 | End If
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| 253 | End Sub
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| 254 |
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[139] | 255 | Sub ReSize(allocLength As Long, c As StrChar)
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[1] | 256 | If allocLength < 0 Then
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| 257 | Exit Sub
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[30] | 258 | ElseIf allocLength > m_Length Then
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[1] | 259 | Dim oldLength As Long
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[30] | 260 | oldLength = m_Length
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[1] | 261 | If AllocStringBuffer(allocLength) <> 0 Then
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[139] | 262 | Dim p = VarPtr(Chars[oldLength]) As *StrChar
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[121] | 263 | Dim fillLen = m_Length - oldLength
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| 264 | Dim i As Long
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| 265 | For i = 0 To ELM(fillLen)
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| 266 | p[i] = c
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| 267 | Next
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[1] | 268 | End If
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| 269 | Else
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[30] | 270 | m_Length = allocLength
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[1] | 271 | End If
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[31] | 272 | Chars[m_Length] = 0
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[1] | 273 | End Sub
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| 274 |
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[175] | 275 | Sub Assign(text As PCSTR, textLengthA As Long)
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| 276 | #ifdef __STRING_IS_NOT_UNICODE
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| 277 | AssignFromStrChar(text, textLengthA)
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[139] | 278 | #else
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| 279 | Dim textLengthW = MultiByteToWideChar(CP_THREAD_ACP, 0, text, textLengthA, 0, 0)
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| 280 | If AllocStringBuffer(textLengthW) <> 0 Then
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| 281 | MultiByteToWideChar(CP_THREAD_ACP, 0, text, textLengthA, Chars, textLengthW)
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[192] | 282 | Chars[textLengthW] = 0
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[139] | 283 | End If
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| 284 | #endif
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| 285 | End Sub
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[1] | 286 |
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[175] | 287 | Sub Assign(text As PCWSTR, textLengthW As Long)
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[139] | 288 | #ifdef __STRING_IS_NOT_UNICODE
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[175] | 289 | Dim textLengthA = WideCharToMultiByte(CP_THREAD_ACP, 0, text, textLengthW, 0, 0, 0, 0)
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| 290 | If AllocStringBuffer(textLengthA) <> 0 Then
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| 291 | WideCharToMultiByte(CP_THREAD_ACP, 0, text, textLengthW, Chars, textLengthA, 0, 0)
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[192] | 292 | Chars[textLengthA] = 0
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[175] | 293 | End If
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[139] | 294 | #else
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[175] | 295 | AssignFromStrChar(text, textLengthW)
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[139] | 296 | #endif
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| 297 | End Sub
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| 298 |
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[1] | 299 | Sub Assign(ByRef objString As String)
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[31] | 300 | Assign(objString.Chars, objString.m_Length)
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[1] | 301 | End Sub
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| 302 |
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[139] | 303 | Sub Assign(text As PCSTR)
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[121] | 304 | If text Then
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[139] | 305 | Assign(text, lstrlenA(text))
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[1] | 306 | Else
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[139] | 307 | If Chars <> 0 Then
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| 308 | Chars[0] = 0
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| 309 | End If
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[30] | 310 | m_Length = 0
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[1] | 311 | End If
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| 312 | End Sub
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| 313 |
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[139] | 314 | Sub Assign(text As PCWSTR)
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| 315 | If text Then
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| 316 | Assign(text, lstrlenW(text))
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| 317 | Else
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| 318 | If Chars <> 0 Then
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| 319 | Chars[0] = 0
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| 320 | End If
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| 321 | m_Length = 0
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| 322 | End If
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| 323 | End Sub
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| 324 |
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| 325 | Sub Append(text As *StrChar, textLength As Long)
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[1] | 326 | Dim prevLen As Long
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[30] | 327 | prevLen = m_Length
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| 328 | If AllocStringBuffer(m_Length + textLength) <> 0 Then
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[139] | 329 | memcpy(VarPtr(Chars[prevLen]), text, SizeOf (StrChar) * textLength)
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[31] | 330 | Chars[m_Length] = 0
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[1] | 331 | End If
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| 332 | End Sub
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| 333 |
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[139] | 334 | Sub Append(text As *StrChar)
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[1] | 335 | Append(text, lstrlen(text))
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| 336 | End Sub
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| 337 |
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| 338 | Sub Append(ByRef str As String)
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[31] | 339 | Append(str.Chars, str.m_Length)
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[1] | 340 | End Sub
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| 341 |
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[132] | 342 | Const Function Clone() As String
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| 343 | Return This
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| 344 | End Function
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[139] | 345 | Private
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[193] | 346 | Static Function ConcatStrChar(text1 As *StrChar, text1Length As Long, text2 As *StrChar, text2Length As Long) As String
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[139] | 347 | With ConcatStrChar
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| 348 | .AllocStringBuffer(text1Length + text2Length)
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| 349 | memcpy(.Chars, text1, SizeOf (StrChar) * text1Length)
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| 350 | memcpy(VarPtr(.Chars[text1Length]), text2, SizeOf (StrChar) * text2Length)
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| 351 | .Chars[text1Length + text2Length] = 0
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| 352 | End With
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| 353 | End Function
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| 354 | Public
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| 355 | Const Function Concat(text As PCSTR, len As Long) As String
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| 356 | #ifdef __STRING_IS_NOT_UNICODE
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| 357 | Return ConcatStrChar(This.Chars, m_Length, text, len)
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| 358 | #else
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| 359 | With Concat
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| 360 | Dim lenW = MultiByteToWideChar(CP_THREAD_ACP, 0, text, len, 0, 0)
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| 361 | .AllocStringBuffer(m_Length + lenW)
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| 362 | memcpy(.Chars, This.Chars, m_Length)
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| 363 | MultiByteToWideChar(CP_THREAD_ACP, 0, text, len, VarPtr(.Chars[m_Length]), lenW)
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| 364 | .Chars[m_Length + lenW] = 0
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| 365 | End With
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| 366 | #endif
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| 367 | End Function
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[132] | 368 |
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[139] | 369 | Const Function Concat(text As PCWSTR, len As Long) As String
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| 370 | #ifdef __STRING_IS_NOT_UNICODE
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| 371 | With Concat
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| 372 | Dim lenA = MultiByteToWideChar(CP_THREAD_ACP, 0, text, len, 0, 0, 0, 0)
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| 373 | .AllocStringBuffer(m_Length + lenA)
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| 374 | memcpy(.Chars, This.Chars, m_Length)
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| 375 | MultiByteToWideChar(CP_THREAD_ACP, 0, text, len, VarPtr(.Chars[m_Length]), lenA, 0, 0)
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| 376 | .Chars[m_Length + lenA] = 0
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[1] | 377 | End With
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[139] | 378 | #else
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| 379 | Return ConcatStrChar(This.Chars, m_Length, text, len)
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| 380 | #endif
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[1] | 381 | End Function
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[203] | 382 |
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| 383 | Static Function Concat(x As String, y As String) As String
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| 384 | If x = Nothing Then
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| 385 | Return y
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| 386 | Else
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| 387 | Return x.Concat(objString.Chars, objString.m_Length)
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| 388 | End If
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| 389 | End Function
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| 390 |
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| 391 | Static Function Concat(x As Object, y As Object) As String
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| 392 | Return String.Concat(x.ToString, y.ToString)
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| 393 | End Function
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| 394 |
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| 395 | Const Function Contains(objString As String) As Boolean
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[132] | 396 | Return IndexOf(objString, 0, m_Length) >= 0
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[1] | 397 | End Function
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| 398 |
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[139] | 399 | Const Function Contains(lpszText As *StrChar) As Boolean
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[132] | 400 | Return IndexOf(lpszText, 0, m_Length) >= 0
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[1] | 401 | End Function
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| 402 |
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[139] | 403 | Const Function IndexOf(lpszText As *StrChar) As Long
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[30] | 404 | Return IndexOf(lpszText, 0, m_Length)
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[1] | 405 | End Function
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| 406 |
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[139] | 407 | Const Function IndexOf(lpszText As *StrChar, startIndex As Long) As Long
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[30] | 408 | Return IndexOf(lpszText, startIndex, m_Length - startIndex)
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[1] | 409 | End Function
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| 410 |
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[139] | 411 | Const Function IndexOf(lpszText As *StrChar, startIndex As Long, count As Long) As Long
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[132] | 412 | Dim length = lstrlen(lpszText)
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[1] | 413 |
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| 414 | If startIndex < 0 Then Return -1
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[30] | 415 | If count < 1 Or count + startIndex > m_Length Then Return -1
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| 416 | If length > m_Length Then Return -1
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[1] | 417 |
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| 418 | If length = 0 Then Return startIndex
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| 419 |
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| 420 | Dim i As Long, j As Long
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| 421 | For i = startIndex To startIndex + count - 1
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| 422 | For j = 0 To length - 1
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[31] | 423 | If Chars[i + j] = lpszText[j] Then
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[1] | 424 | If j = length - 1 Then Return i
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| 425 | Else
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| 426 | Exit For
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| 427 | End If
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| 428 | Next
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| 429 | Next
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| 430 | Return -1
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| 431 | End Function
|
---|
| 432 |
|
---|
[139] | 433 | Const Function LastIndexOf(lpszText As *StrChar) As Long
|
---|
[30] | 434 | Return LastIndexOf(lpszText, m_Length - 1, m_Length)
|
---|
[1] | 435 | End Function
|
---|
| 436 |
|
---|
[139] | 437 | Const Function LastIndexOf(lpszText As *StrChar, startIndex As Long) As Long
|
---|
| 438 | Return LastIndexOf(lpszText As *StrChar, startIndex, startIndex + 1)
|
---|
[1] | 439 | End Function
|
---|
| 440 |
|
---|
[139] | 441 | Const Function LastIndexOf(lpszText As *StrChar, startIndex As Long, count As Long) As Long
|
---|
[132] | 442 | Dim length = lstrlen(lpszText)
|
---|
[1] | 443 |
|
---|
[30] | 444 | If startIndex < 0 Or startIndex > m_Length - 1 Then Return -1
|
---|
[1] | 445 | If count < 1 Or count > startIndex + 2 Then Return -1
|
---|
[30] | 446 | If length > m_Length Then Return -1
|
---|
[1] | 447 |
|
---|
| 448 | If length = 0 Then Return startIndex
|
---|
| 449 |
|
---|
| 450 | Dim i As Long, j As Long
|
---|
| 451 | For i = startIndex To startIndex - count + 1 Step -1
|
---|
| 452 | For j = length - 1 To 0 Step -1
|
---|
[31] | 453 | If Chars[i + j] = lpszText[j] Then
|
---|
[1] | 454 | If j = 0 Then Return i
|
---|
| 455 | Else
|
---|
| 456 | Exit For
|
---|
| 457 | End If
|
---|
| 458 | Next
|
---|
| 459 | Next
|
---|
| 460 | Return -1
|
---|
| 461 | End Function
|
---|
| 462 |
|
---|
[139] | 463 | Const Function StartsWith(lpszText As *StrChar) As Boolean
|
---|
[132] | 464 | Return IndexOf(lpszText) = 0
|
---|
[1] | 465 | End Function
|
---|
| 466 |
|
---|
[139] | 467 | Const Function EndsWith(lpszText As *StrChar) As Boolean
|
---|
[132] | 468 | Return LastIndexOf(lpszText) = m_Length - lstrlen(lpszText)
|
---|
[1] | 469 | End Function
|
---|
| 470 |
|
---|
[132] | 471 | Const Function Insert(startIndex As Long, text As String) As String
|
---|
| 472 | Return Insert(startIndex, text.Chars, text.Length)
|
---|
| 473 | End Function
|
---|
[1] | 474 |
|
---|
[139] | 475 | Const Function Insert(startIndex As Long, text As *StrChar) As String
|
---|
[132] | 476 | Return Insert(startIndex, text, lstrlen(text))
|
---|
| 477 | End Function
|
---|
[1] | 478 |
|
---|
[139] | 479 | Const Function Insert(startIndex As Long, text As *StrChar, length As Long) As String
|
---|
[132] | 480 | If startIndex < 0 Or startIndex > m_Length Or length < 0 Then
|
---|
| 481 | Debug 'ArgumentOutOfRangeException
|
---|
[1] | 482 |
|
---|
[132] | 483 | End If
|
---|
| 484 | Insert.ReSize(m_Length + length)
|
---|
[139] | 485 | memcpy(Insert.Chars, Chars, SizeOf (StrChar) * startIndex)
|
---|
| 486 | memcpy(VarPtr(Insert.Chars[startIndex]), text, SizeOf (StrChar) * length)
|
---|
| 487 | memcpy(VarPtr(Insert.Chars[startIndex + length]), VarPtr(Chars[startIndex]), SizeOf (StrChar) * (m_Length - startIndex + 1))
|
---|
[1] | 488 | End Function
|
---|
| 489 |
|
---|
[132] | 490 | Const Function SubString(startIndex As Long) As String
|
---|
[30] | 491 | Return SubString(startIndex, m_Length - startIndex)
|
---|
[1] | 492 | End Function
|
---|
| 493 |
|
---|
[132] | 494 | Const Function SubString(startIndex As Long, length As Long) As String
|
---|
[1] | 495 | If startIndex < 0 Or length <= 0 Then Return ""
|
---|
[30] | 496 | If startIndex + length > m_Length Then Return ""
|
---|
[1] | 497 |
|
---|
| 498 | Dim temp As String
|
---|
| 499 | temp.AllocStringBuffer(length)
|
---|
[139] | 500 | memcpy(temp.Chars, VarPtr(Chars[startIndex]), SizeOf (StrChar) * length)
|
---|
[31] | 501 | Chars[m_Length] = 0
|
---|
[1] | 502 | Return temp
|
---|
| 503 | End Function
|
---|
| 504 |
|
---|
[132] | 505 | Const Function Remove(startIndex As Long) As String
|
---|
[135] | 506 | If startIndex < 0 Or startIndex > m_Length Then
|
---|
| 507 | Debug 'ArgumentOutOfRangeException
|
---|
| 508 | End If
|
---|
| 509 |
|
---|
[132] | 510 | Remove.ReSize(startIndex)
|
---|
[139] | 511 | memcpy(Remove.Chars, This.Chars, SizeOf (StrChar) * startIndex)
|
---|
[1] | 512 | End Function
|
---|
| 513 |
|
---|
[132] | 514 | Const Function Remove(startIndex As Long, count As Long) As String
|
---|
[135] | 515 | If startIndex < 0 Or count < 0 Or startIndex + count > m_Length Then
|
---|
| 516 | Debug 'ArgumentOutOfRangeException
|
---|
| 517 | End If
|
---|
| 518 |
|
---|
[132] | 519 | Remove.ReSize(m_Length - count)
|
---|
[139] | 520 | memcpy(Remove.Chars, This.Chars, SizeOf (StrChar) * startIndex)
|
---|
| 521 | memcpy(VarPtr(Remove.Chars[startIndex]), VarPtr(This.Chars[startIndex + count]), SizeOf (StrChar) * (m_Length - startIndex - count))
|
---|
[132] | 522 | End Function
|
---|
[192] | 523 |
|
---|
[132] | 524 | Static Function IsNullOrEmpty(s As String) As Boolean
|
---|
| 525 | If s <> Nothing Then
|
---|
| 526 | If s.m_Length > 0 Then
|
---|
| 527 | Return True
|
---|
| 528 | End If
|
---|
| 529 | End If
|
---|
| 530 | Return False
|
---|
| 531 | End Function
|
---|
[192] | 532 |
|
---|
[139] | 533 | Const Function Replace(oldChar As StrChar, newChar As StrChar) As String
|
---|
[132] | 534 | Replace = Copy(This)
|
---|
| 535 | With Replace
|
---|
| 536 | Dim i As Long
|
---|
| 537 | For i = 0 To ELM(.m_Length)
|
---|
[142] | 538 | If .Chars[i] = oldChar Then
|
---|
| 539 | .Chars[i] = newChar
|
---|
[132] | 540 | End If
|
---|
| 541 | Next
|
---|
| 542 | End With
|
---|
| 543 | End Function
|
---|
[1] | 544 |
|
---|
[132] | 545 | Const Function Replace(ByRef oldStr As String, ByRef newStr As String) As String
|
---|
| 546 | ' If oldStr = Nothing Then Throw ArgumentNullException
|
---|
| 547 | '
|
---|
| 548 | ' If newStr = Nothing Then
|
---|
| 549 | ' Return ReplaceCore(oldStr, oldStr.m_Length, "", 0)
|
---|
| 550 | ' Else
|
---|
| 551 | Return ReplaceCore(oldStr, oldStr.m_Length, newStr, newStr.m_Length)
|
---|
| 552 | ' End If
|
---|
| 553 | End Function
|
---|
[1] | 554 |
|
---|
[139] | 555 | Const Function Replace(oldStr As *StrChar, newStr As *StrChar)
|
---|
[132] | 556 | If oldStr = 0 Then Debug 'Throw ArgumentNullException
|
---|
| 557 | If newStr = 0 Then newStr = ""
|
---|
| 558 | Return ReplaceCore(oldStr, lstrlen(oldStr), newStr, lstrlen(newStr)) As String
|
---|
[1] | 559 | End Function
|
---|
| 560 |
|
---|
[139] | 561 | Const Function Replace(oldStr As *StrChar, oldLen As Long, newStr As *StrChar, newLen As Long) As String
|
---|
[132] | 562 | If oldStr = 0 Then Debug 'Throw ArgumentNullException
|
---|
| 563 | If newStr = 0 Then
|
---|
| 564 | newStr = ""
|
---|
| 565 | newLen = 0
|
---|
[1] | 566 | End If
|
---|
[132] | 567 | Return ReplaceCore(oldStr, oldLen, newStr, newLen)
|
---|
[1] | 568 | End Function
|
---|
| 569 |
|
---|
[134] | 570 | Const Function ToLower() As String
|
---|
| 571 | ToLower.ReSize(m_Length)
|
---|
[125] | 572 | Dim i As Long
|
---|
[134] | 573 | For i = 0 To ELM(m_Length)
|
---|
| 574 | ToLower.Chars[i] = _System_ASCII_ToLower(Chars[i])
|
---|
[125] | 575 | Next
|
---|
[134] | 576 | End Function
|
---|
[1] | 577 |
|
---|
[134] | 578 | Const Function ToUpper() As String
|
---|
| 579 | ToUpper.ReSize(m_Length)
|
---|
[125] | 580 | Dim i As Long
|
---|
[134] | 581 | For i = 0 To ELM(m_Length)
|
---|
| 582 | ToUpper.Chars[i] = _System_ASCII_ToUpper(Chars[i])
|
---|
[125] | 583 | Next
|
---|
[134] | 584 | End Function
|
---|
[1] | 585 |
|
---|
| 586 | Sub Swap(ByRef x As String)
|
---|
| 587 | Dim tempLen As Long
|
---|
[139] | 588 | Dim tempChars As *StrChar
|
---|
[30] | 589 | tempLen = x.m_Length
|
---|
[31] | 590 | tempChars = x.Chars
|
---|
[30] | 591 | x.m_Length = This.m_Length
|
---|
[31] | 592 | x.Chars = This.Chars
|
---|
[30] | 593 | This.m_Length = tempLen
|
---|
[31] | 594 | This.Chars = tempChars
|
---|
[1] | 595 | End Sub
|
---|
| 596 |
|
---|
[119] | 597 | Override Function ToString() As String
|
---|
| 598 | Return This
|
---|
| 599 | End Function
|
---|
| 600 |
|
---|
[132] | 601 | Static Function Copy(s As String) As String
|
---|
[142] | 602 | Copy.ReSize(s.m_Length)
|
---|
[139] | 603 | memcpy(Copy.Chars, This.Chars, SizeOf (StrChar) * m_Length)
|
---|
[132] | 604 | End Function
|
---|
| 605 |
|
---|
[143] | 606 | Override Function GetHashCode() As Long
|
---|
| 607 | #ifdef __STRING_IS_NOT_UNICODE
|
---|
| 608 | Dim size = (m_Length + 1) >> 1
|
---|
| 609 | #else
|
---|
| 610 | Dim size = m_Length
|
---|
| 611 | #endif
|
---|
[175] | 612 | Return _System_GetHashFromWordArray(Chars As *Word, size)
|
---|
[143] | 613 | End Function
|
---|
[1] | 614 | Private
|
---|
| 615 | ' メモリ確保に失敗すると元の文字列は失われない。(例外安全でいう強い保障)
|
---|
[139] | 616 | Function AllocStringBuffer(textLength As Long) As *StrChar
|
---|
[1] | 617 | If textLength < 0 Then
|
---|
| 618 | Return 0
|
---|
[30] | 619 | ElseIf textLength > m_Length Then
|
---|
[139] | 620 | AllocStringBuffer = _System_realloc(Chars, SizeOf(StrChar) * (textLength + 1))
|
---|
[1] | 621 | If AllocStringBuffer <> 0 Then
|
---|
[30] | 622 | m_Length = textLength
|
---|
[31] | 623 | Chars = AllocStringBuffer
|
---|
[1] | 624 | End If
|
---|
| 625 | Else
|
---|
[30] | 626 | m_Length = textLength
|
---|
[31] | 627 | AllocStringBuffer = Chars
|
---|
[1] | 628 | End If
|
---|
| 629 | End Function
|
---|
| 630 |
|
---|
[139] | 631 | Function ReplaceCore(oldStr As *StrChar, oldLen As Long, newStr As *StrChar, newLen As Long) As String
|
---|
[132] | 632 | If oldLen = 0 Then
|
---|
| 633 | Debug 'Throw ArgumentException
|
---|
| 634 | End If
|
---|
| 635 | Dim tmp As String
|
---|
| 636 | With tmp
|
---|
| 637 | Dim current = 0 As Long
|
---|
| 638 | Do
|
---|
| 639 | Dim pos = IndexOf(oldStr, current)
|
---|
| 640 | If pos = -1 Then
|
---|
| 641 | Exit Do
|
---|
| 642 | End If
|
---|
| 643 | .Append(VarPtr(Chars[current]), pos - current)
|
---|
| 644 | .Append(newStr, newLen)
|
---|
| 645 | current = pos + oldLen
|
---|
| 646 | Loop
|
---|
| 647 | .Append(VarPtr(Chars[current]), m_Length - current)
|
---|
| 648 | End With
|
---|
| 649 | Return tmp
|
---|
| 650 | End Function
|
---|
| 651 |
|
---|
[175] | 652 | Sub AssignFromStrChar(text As *StrChar, textLength As Long)
|
---|
| 653 | If text = Chars Then Exit Sub
|
---|
| 654 | If AllocStringBuffer(textLength) <> 0 Then
|
---|
| 655 | memcpy(Chars, text, SizeOf (StrChar) * textLength)
|
---|
| 656 | Chars[m_Length] = 0
|
---|
| 657 | End If
|
---|
| 658 | End Sub
|
---|
[1] | 659 | End Class
|
---|