[272] | 1 | 'Classes/System/Text/StringBuilder.ab
|
---|
| 2 |
|
---|
| 3 | Namespace System
|
---|
| 4 | Namespace Text
|
---|
| 5 |
|
---|
| 6 | Class StringBuilder
|
---|
| 7 | Public
|
---|
| 8 | Sub StringBuilder()
|
---|
| 9 | initialize(1024)
|
---|
| 10 | End Sub
|
---|
| 11 |
|
---|
| 12 | Sub StringBuilder(capacity As Long)
|
---|
| 13 | initialize(capacity)
|
---|
| 14 | End Sub
|
---|
| 15 |
|
---|
| 16 | Sub StringBuilder(s As String)
|
---|
| 17 | initialize(s, 0, s.Length, s.Length * 2)
|
---|
| 18 | End Sub
|
---|
| 19 |
|
---|
| 20 | Sub StringBuilder(capacity As Long, maxCapacity As Long)
|
---|
| 21 | initialize(capacity, maxCapacity)
|
---|
| 22 | End Sub
|
---|
| 23 |
|
---|
| 24 | Sub StringBuilder(s As String, capacity As Long)
|
---|
| 25 | initialize(s, 0, s.Length, capacity)
|
---|
| 26 | End Sub
|
---|
| 27 |
|
---|
| 28 | Sub StringBuilder(s As String, startIndex As Long, length As Long, capacity As Long)
|
---|
| 29 | initialize(s, startIndex, length, capacity)
|
---|
| 30 | End Sub
|
---|
| 31 |
|
---|
| 32 | 'Methods
|
---|
| 33 |
|
---|
| 34 | Function Append(x As Boolean) As StringBuilder
|
---|
| 35 | Append(Str$(x))
|
---|
| 36 | Return This
|
---|
| 37 | End Function
|
---|
| 38 |
|
---|
[468] | 39 | Function Append(x As Char) As StringBuilder
|
---|
[272] | 40 | EnsureCapacity(size + 1)
|
---|
| 41 | separateBuffer()
|
---|
| 42 | chars[size] = x
|
---|
| 43 | size++
|
---|
| 44 | Return This
|
---|
| 45 | End Function
|
---|
[468] | 46 | #ifdef UNICODE
|
---|
[272] | 47 | Function Append(x As SByte) As StringBuilder
|
---|
[468] | 48 | ActiveBasic.Strings.Detail.FormatIntegerD(This, x, DWORD_MAX, 0, 0)
|
---|
[272] | 49 | Return This
|
---|
| 50 | End Function
|
---|
| 51 | #endif
|
---|
| 52 | Function Append(x As Byte) As StringBuilder
|
---|
[468] | 53 | ActiveBasic.Strings.Detail.FormatIntegerU(This, x, DWORD_MAX, 0, 0)
|
---|
[272] | 54 | Return This
|
---|
| 55 | End Function
|
---|
| 56 |
|
---|
| 57 | Function Append(x As Integer) As StringBuilder
|
---|
[468] | 58 | ActiveBasic.Strings.Detail.FormatIntegerD(This, x, DWORD_MAX, 0, 0)
|
---|
[272] | 59 | Return This
|
---|
| 60 | End Function
|
---|
[468] | 61 | #ifndef UNICODE
|
---|
| 62 | Function Append(x As Word) As StringBuilder
|
---|
| 63 | ActiveBasic.Strings.Detail.FormatIntegerU(This, x, DWORD_MAX, 0, 0)
|
---|
| 64 | Return This
|
---|
| 65 | End Function
|
---|
| 66 | #endif
|
---|
[272] | 67 | Function Append(x As Long) As StringBuilder
|
---|
[468] | 68 | ActiveBasic.Strings.Detail.FormatIntegerD(This, x, DWORD_MAX, 0, 0)
|
---|
[272] | 69 | Return This
|
---|
| 70 | End Function
|
---|
| 71 |
|
---|
| 72 | Function Append(x As DWord) As StringBuilder
|
---|
[468] | 73 | ActiveBasic.Strings.Detail.FormatIntegerU(This, x, DWORD_MAX, 0, 0)
|
---|
[272] | 74 | Return This
|
---|
| 75 | End Function
|
---|
| 76 |
|
---|
| 77 | Function Append(x As Int64) As StringBuilder
|
---|
[468] | 78 | ActiveBasic.Strings.Detail.FormatIntegerLD(This, x, DWORD_MAX, 0, 0)
|
---|
[272] | 79 | Return This
|
---|
| 80 | End Function
|
---|
| 81 |
|
---|
| 82 | Function Append(x As QWord) As StringBuilder
|
---|
[468] | 83 | ActiveBasic.Strings.Detail.FormatIntegerLU(This, x, DWORD_MAX, 0, 0)
|
---|
[272] | 84 | Return This
|
---|
| 85 | End Function
|
---|
| 86 |
|
---|
| 87 | Function Append(x As Single) As StringBuilder
|
---|
[468] | 88 | ActiveBasic.Strings.Detail.FormatFloatG(This, x, DWORD_MAX, 0, 0)
|
---|
[272] | 89 | Return This
|
---|
| 90 | End Function
|
---|
| 91 |
|
---|
| 92 | Function Append(x As Double) As StringBuilder
|
---|
[468] | 93 | ActiveBasic.Strings.Detail.FormatFloatG(This, x, DWORD_MAX, 0, 0)
|
---|
[272] | 94 | Return This
|
---|
| 95 | End Function
|
---|
| 96 |
|
---|
| 97 | Function Append(x As Object) As StringBuilder
|
---|
| 98 | Append(x.ToString)
|
---|
| 99 | Return This
|
---|
| 100 | End Function
|
---|
| 101 |
|
---|
[468] | 102 | Function Append(c As Char, n As Long) As StringBuilder
|
---|
[272] | 103 | EnsureCapacity(size + n)
|
---|
| 104 | ActiveBasic.Strings.ChrFill(VarPtr(chars[size]), n As SIZE_T, c)
|
---|
| 105 | size += n
|
---|
| 106 | Return This
|
---|
| 107 | End Function
|
---|
| 108 |
|
---|
| 109 | Function Append(s As String) As StringBuilder
|
---|
| 110 | If Not String.IsNullOrEmpty(s) Then
|
---|
| 111 | appendCore(s, 0, s.Length)
|
---|
| 112 | End If
|
---|
| 113 | Return This
|
---|
| 114 | End Function
|
---|
| 115 |
|
---|
| 116 | Function Append(s As String, startIndex As Long, count As Long) As StringBuilder
|
---|
[385] | 117 | Return Append(StrPtr(s), startIndex, count)
|
---|
[272] | 118 | End Function
|
---|
| 119 |
|
---|
[468] | 120 | Function Append(s As *Char, startIndex As Long, count As Long) As StringBuilder
|
---|
[272] | 121 | If s = 0 Then
|
---|
| 122 | If startIndex = 0 And count = 0 Then
|
---|
| 123 | Return This
|
---|
| 124 | Else
|
---|
[388] | 125 | Throw New ArgumentNullException("StringBuilder.Append: An argument is null", "s")
|
---|
[272] | 126 | End If
|
---|
| 127 | ElseIf startIndex < 0 Or count < 0 Then
|
---|
[388] | 128 | Throw New ArgumentOutOfRangeException("StringBuilder.Append: One or more arguments are out of range value.", "startIndex or count or both")
|
---|
[272] | 129 | End If
|
---|
| 130 | appendCore(s, startIndex, count)
|
---|
| 131 | Return This
|
---|
| 132 | End Function
|
---|
| 133 | Private
|
---|
[468] | 134 | Sub appendCore(s As *Char, start As Long, count As Long)
|
---|
[272] | 135 | EnsureCapacity(size + count)
|
---|
| 136 | separateBuffer()
|
---|
| 137 | ActiveBasic.Strings.ChrCopy(VarPtr(chars[size]), VarPtr(s[start]), count As SIZE_T)
|
---|
| 138 | size += count
|
---|
| 139 | End Sub
|
---|
| 140 |
|
---|
| 141 | Sub appendCore(s As String, start As Long, count As Long)
|
---|
| 142 | EnsureCapacity(size + count)
|
---|
| 143 | separateBuffer()
|
---|
| 144 | s.CopyTo(start, chars, size, count)
|
---|
| 145 | size += count
|
---|
| 146 | End Sub
|
---|
| 147 | Public
|
---|
| 148 | 'AppendFormat
|
---|
| 149 |
|
---|
| 150 | Function AppendLine() As StringBuilder
|
---|
| 151 | separateBuffer()
|
---|
| 152 | Append(Environment.NewLine)
|
---|
| 153 | Return This
|
---|
| 154 | End Function
|
---|
| 155 |
|
---|
| 156 | Function AppendLine(s As String) As StringBuilder
|
---|
| 157 | EnsureCapacity(Capacity + s.Length + Environment.NewLine.Length)
|
---|
| 158 | separateBuffer()
|
---|
| 159 | Append(s)
|
---|
| 160 | Append(Environment.NewLine)
|
---|
| 161 | Return This
|
---|
| 162 | End Function
|
---|
| 163 |
|
---|
[468] | 164 | Const Sub CopyTo(sourceIndex As Long, ByRef dest[] As Char, destIndex As Long, count As Long)
|
---|
[272] | 165 | If dest = 0 Then
|
---|
[388] | 166 | Throw New ArgumentNullException("StringBuilder.CopyTo: An argument is null", "sourceIndex")
|
---|
[272] | 167 | ElseIf size < sourceIndex + count Or sourceIndex < 0 Or destIndex < 0 Or count < 0 Then
|
---|
[388] | 168 | Throw New ArgumentOutOfRangeException("StringBuilder.CopyTo: One or more arguments are out of range value.", "startIndex or count or both")
|
---|
[272] | 169 | End If
|
---|
| 170 |
|
---|
[468] | 171 | memcpy(VarPtr(dest[destIndex]), VarPtr(chars[sourceIndex]), count * SizeOf (Char))
|
---|
[272] | 172 | End Sub
|
---|
| 173 |
|
---|
| 174 | Function EnsureCapacity(c As Long) As Long
|
---|
| 175 | If c < 0 Or c > MaxCapacity Then
|
---|
[388] | 176 | Throw New ArgumentOutOfRangeException("StringBuilder.Append: An argument is out of range value.", "c")
|
---|
[272] | 177 | ElseIf c > Capacity Then
|
---|
[468] | 178 | Dim p = GC_malloc_atomic((c + 1) * SizeOf (Char)) As *Char
|
---|
[272] | 179 | ActiveBasic.Strings.ChrCopy(p, chars, size As SIZE_T)
|
---|
| 180 | chars = p
|
---|
| 181 | capacity = c
|
---|
| 182 | stringized = False
|
---|
| 183 | End If
|
---|
| 184 | End Function
|
---|
| 185 |
|
---|
| 186 | 'Override Function Equals(o As Object) As Boolean
|
---|
| 187 |
|
---|
| 188 | Const Function Equals(s As StringBuilder) As Boolean
|
---|
| 189 | Return ActiveBasic.Strings.StrCmp(chars, s.chars) = 0 _
|
---|
| 190 | And capacity = s.capacity _
|
---|
| 191 | And maxCapacity = s.maxCapacity
|
---|
| 192 | End Function
|
---|
| 193 |
|
---|
| 194 | Override Function GetHashCode() As Long
|
---|
[497] | 195 | #ifdef UNICODE
|
---|
| 196 | Dim n = size
|
---|
| 197 | #else
|
---|
[272] | 198 | Dim n = (size + 1) >> 1
|
---|
| 199 | #endif
|
---|
| 200 | Return _System_GetHashFromWordArray(chars As *Word, n As SIZE_T) Xor capacity Xor maxCapacity
|
---|
| 201 | End Function
|
---|
| 202 |
|
---|
| 203 | Function Insert(i As Long, x As Boolean) As StringBuilder
|
---|
| 204 | rangeCheck(i)
|
---|
| 205 | insertCore(i, Str$(x))
|
---|
| 206 | Return This
|
---|
| 207 | End Function
|
---|
| 208 |
|
---|
[468] | 209 | Function Insert(i As Long, x As Char) As StringBuilder
|
---|
[272] | 210 | Insert(i, VarPtr(x), 0, 1)
|
---|
| 211 | Return This
|
---|
| 212 | End Function
|
---|
[497] | 213 | #ifdef UNICODE
|
---|
| 214 | Function Insert(i As Long, x As SByte) As StringBuilder
|
---|
[272] | 215 | rangeCheck(i)
|
---|
[497] | 216 | insertCore(i, Str$(x As Long))
|
---|
[272] | 217 | Return This
|
---|
| 218 | End Function
|
---|
| 219 | #else
|
---|
[497] | 220 | Function Insert(i As Long, x As Word) As StringBuilder
|
---|
[272] | 221 | rangeCheck(i)
|
---|
[497] | 222 | insertCore(i, Str$(x As DWord))
|
---|
[272] | 223 | Return This
|
---|
| 224 | End Function
|
---|
| 225 | #endif
|
---|
| 226 |
|
---|
| 227 | Function Insert(i As Long, x As Byte) As StringBuilder
|
---|
| 228 | rangeCheck(i)
|
---|
| 229 | insertCore(i, Str$(x))
|
---|
| 230 | Return This
|
---|
| 231 | End Function
|
---|
| 232 |
|
---|
| 233 | Function Insert(i As Long, x As Integer) As StringBuilder
|
---|
| 234 | rangeCheck(i)
|
---|
| 235 | insertCore(i, Str$(x))
|
---|
| 236 | Return This
|
---|
| 237 | End Function
|
---|
| 238 |
|
---|
| 239 | Function Insert(i As Long, x As Long) As StringBuilder
|
---|
| 240 | rangeCheck(i)
|
---|
| 241 | insertCore(i, Str$(x))
|
---|
| 242 | Return This
|
---|
| 243 | End Function
|
---|
| 244 |
|
---|
| 245 | Function Insert(i As Long, x As DWord) As StringBuilder
|
---|
| 246 | rangeCheck(i)
|
---|
| 247 | insertCore(i, Str$(x))
|
---|
| 248 | Return This
|
---|
| 249 | End Function
|
---|
| 250 |
|
---|
| 251 | Function Insert(i As Long, x As Int64) As StringBuilder
|
---|
| 252 | rangeCheck(i)
|
---|
| 253 | insertCore(i, Str$(x))
|
---|
| 254 | Return This
|
---|
| 255 | End Function
|
---|
| 256 |
|
---|
| 257 | Function Insert(i As Long, x As Single) As StringBuilder
|
---|
| 258 | rangeCheck(i)
|
---|
| 259 | insertCore(i, Str$(x))
|
---|
| 260 | Return This
|
---|
| 261 | End Function
|
---|
| 262 |
|
---|
| 263 | Function Insert(i As Long, x As Double) As StringBuilder
|
---|
| 264 | rangeCheck(i)
|
---|
| 265 | insertCore(i, Str$(x))
|
---|
| 266 | Return This
|
---|
| 267 | End Function
|
---|
| 268 |
|
---|
| 269 | Function Insert(i As Long, s As String) As StringBuilder
|
---|
| 270 | rangeCheck(i)
|
---|
| 271 | insertCore(i, s)
|
---|
| 272 | Return This
|
---|
| 273 | End Function
|
---|
| 274 |
|
---|
| 275 | Function Insert(i As Long, o As Object) As StringBuilder
|
---|
| 276 | rangeCheck(i)
|
---|
| 277 | insertCore(i, o.ToString)
|
---|
| 278 | Return This
|
---|
| 279 | End Function
|
---|
| 280 |
|
---|
| 281 | Function Insert(index As Long, x As String, n As Long) As StringBuilder
|
---|
| 282 | rangeCheck(index)
|
---|
| 283 | If n < 0 Then
|
---|
[388] | 284 | Throw New ArgumentOutOfRangeException("StringBuilder.Insert: An argument is out of range value.", "n")
|
---|
[272] | 285 | End If
|
---|
| 286 | Dim len = x.Length
|
---|
| 287 | Dim lenTotal = len * n
|
---|
| 288 | Dim newSize = size + lenTotal
|
---|
| 289 | EnsureCapacity(newSize)
|
---|
| 290 | separateBuffer()
|
---|
[288] | 291 |
|
---|
[272] | 292 | Dim i As Long
|
---|
| 293 | For i = 0 To ELM(n)
|
---|
| 294 | x.CopyTo(0, chars, size + i * len, len)
|
---|
| 295 | Next
|
---|
| 296 | size = newSize
|
---|
| 297 | Return This
|
---|
| 298 | End Function
|
---|
| 299 |
|
---|
[468] | 300 | Function Insert(i As Long, x As *Char, index As Long, count As Long) As StringBuilder
|
---|
[272] | 301 | rangeCheck(i)
|
---|
| 302 | If x = 0 Then
|
---|
[388] | 303 | Throw New ArgumentNullException("StringBuilder.Insert: An argument is null", "x")
|
---|
[272] | 304 | ElseIf index < 0 Or count < 0 Then
|
---|
[388] | 305 | Throw New ArgumentOutOfRangeException("StringBuilder.Append: One or more arguments are out of range value.", "index or count or both")
|
---|
[272] | 306 | End If
|
---|
| 307 |
|
---|
| 308 | Dim newSize = size + count
|
---|
| 309 | EnsureCapacity(newSize)
|
---|
| 310 | separateBuffer()
|
---|
| 311 | ActiveBasic.Strings.ChrMove(VarPtr(chars[i + count]), VarPtr(chars[i]), (size - i) As SIZE_T)
|
---|
| 312 | ActiveBasic.Strings.ChrCopy(VarPtr(chars[i]), VarPtr(x[index]), count As SIZE_T)
|
---|
| 313 | size = newSize
|
---|
| 314 | Return This
|
---|
| 315 | End Function
|
---|
| 316 |
|
---|
| 317 | Private
|
---|
| 318 | Sub insertCore(i As Long, s As String)
|
---|
| 319 | Dim newSize = size + s.Length
|
---|
| 320 | EnsureCapacity(newSize)
|
---|
| 321 | separateBuffer()
|
---|
| 322 | ActiveBasic.Strings.ChrMove(VarPtr(chars[i + s.Length]), VarPtr(chars[i]), (size - i) As SIZE_T)
|
---|
| 323 | s.CopyTo(0, chars, i, s.Length)
|
---|
| 324 | size = newSize
|
---|
| 325 | End Sub
|
---|
| 326 | Public
|
---|
| 327 |
|
---|
| 328 | Function Remove(startIndex As Long, length As Long) As StringBuilder
|
---|
| 329 | rangeCheck(startIndex, length)
|
---|
| 330 | separateBuffer()
|
---|
| 331 |
|
---|
| 332 | Dim moveStart = startIndex + length
|
---|
| 333 | ActiveBasic.Strings.ChrMove(
|
---|
| 334 | VarPtr(chars[startIndex]), VarPtr(chars[moveStart]), (size - moveStart) As SIZE_T)
|
---|
| 335 | size -= length
|
---|
| 336 | Return This
|
---|
| 337 | End Function
|
---|
| 338 |
|
---|
[468] | 339 | Function Replace(oldChar As Char, newChar As Char) As StringBuilder
|
---|
[272] | 340 | replaceCore(oldChar, newChar, 0, size)
|
---|
| 341 | Return This
|
---|
| 342 | End Function
|
---|
| 343 |
|
---|
| 344 | Function Replace(oldStr As String, newStr As String) As StringBuilder
|
---|
| 345 | replaceCore(oldStr, newStr, 0, size)
|
---|
| 346 | Return This
|
---|
| 347 | End Function
|
---|
| 348 |
|
---|
[468] | 349 | Function Replace(oldChar As Char, newChar As Char, startIndex As Long, count As Long) As StringBuilder
|
---|
[272] | 350 | rangeCheck(startIndex, count)
|
---|
| 351 | replaceCore(oldChar, newChar, startIndex, count)
|
---|
| 352 | Return This
|
---|
| 353 | End Function
|
---|
| 354 |
|
---|
| 355 | Function Replace(oldStr As String, newStr As String, startIndex As Long, count As Long) As StringBuilder
|
---|
| 356 | rangeCheck(startIndex, count)
|
---|
| 357 | replaceCore(oldStr, newStr, startIndex, count)
|
---|
| 358 | Return This
|
---|
| 359 | End Function
|
---|
| 360 | Private
|
---|
[468] | 361 | Sub replaceCore(oldChar As Char, newChar As Char, start As Long, count As Long)
|
---|
[272] | 362 | separateBuffer()
|
---|
| 363 | Dim i As Long
|
---|
[521] | 364 | Dim last = start + count - 1'ELM(start + count)
|
---|
[272] | 365 | For i = start To last
|
---|
| 366 | If chars[i] = oldChar Then
|
---|
| 367 | chars[i] = newChar
|
---|
| 368 | End If
|
---|
| 369 | Next
|
---|
| 370 | End Sub
|
---|
| 371 |
|
---|
| 372 | Sub replaceCore(oldStr As String, newStr As String, start As Long, count As Long)
|
---|
[385] | 373 | If ActiveBasic.IsNothing(oldStr) Then
|
---|
[388] | 374 | Throw New ArgumentNullException("StringBuilder.Replace: An argument is null", "oldStr")
|
---|
[272] | 375 | ElseIf oldStr.Length = 0 Then
|
---|
[385] | 376 | Throw New ArgumentException("StringBuilder.Replace: The argument 'oldStr' is empty string. ", "oldStr")
|
---|
[272] | 377 | End If
|
---|
| 378 |
|
---|
| 379 | Dim s = New StringBuilder(capacity, maxCapacity)
|
---|
[435] | 380 | Dim curPos = start
|
---|
| 381 | Dim last = start + count
|
---|
[272] | 382 | Do
|
---|
[468] | 383 | Dim nextPos = ActiveBasic.Strings.ChrFind(VarPtr(chars[curPos]) As *Char, size As SIZE_T, StrPtr(oldStr), oldStr.Length As SIZE_T) As Long
|
---|
[435] | 384 | If nextPos = -1 As SIZE_T Or curPos > last Then
|
---|
| 385 | s.appendCore(chars, curPos, size - curPos)
|
---|
| 386 | Exit Do
|
---|
[272] | 387 | End If
|
---|
| 388 |
|
---|
[385] | 389 | s.appendCore(chars, curPos, nextPos As Long)
|
---|
[272] | 390 | s.Append(newStr)
|
---|
[385] | 391 | curPos += nextPos As Long + oldStr.Length
|
---|
[272] | 392 | Loop
|
---|
| 393 | chars = s.chars
|
---|
| 394 | size = s.size
|
---|
| 395 | End Sub
|
---|
| 396 |
|
---|
| 397 | Public
|
---|
| 398 | Override Function ToString() As String
|
---|
| 399 | chars[size] = 0
|
---|
| 400 | Return New String(This)
|
---|
| 401 | End Function
|
---|
| 402 |
|
---|
| 403 | Const Function ToString(startIndex As Long, length As Long) As String
|
---|
| 404 | rangeCheck(startIndex, length)
|
---|
| 405 | Return New String(chars, startIndex, length)
|
---|
| 406 | End Function
|
---|
| 407 |
|
---|
[468] | 408 | Const Function Operator [](i As Long) As Char
|
---|
[272] | 409 | Return Chars[i]
|
---|
| 410 | End Function
|
---|
| 411 |
|
---|
[468] | 412 | Sub Operator []=(i As Long, c As Char)
|
---|
[272] | 413 | Chars[i] = c
|
---|
| 414 | End Sub
|
---|
| 415 |
|
---|
| 416 | 'Properties
|
---|
| 417 | Const Function Capacity() As Long
|
---|
| 418 | Return capacity
|
---|
| 419 | End Function
|
---|
| 420 |
|
---|
| 421 | Sub Capacity(c As Long)
|
---|
| 422 | If c < size Or c > MaxCapacity Then 'sizeとの比較でcが負の場合も対応
|
---|
[388] | 423 | Throw New ArgumentOutOfRangeException("StringBuilder.Capacity: An argument is out of range value.", "c")
|
---|
[272] | 424 | End If
|
---|
| 425 | EnsureCapacity(c)
|
---|
| 426 | End Sub
|
---|
| 427 |
|
---|
[468] | 428 | Const Function Chars(i As Long) As Char
|
---|
[272] | 429 | If i >= Length Or i < 0 Then
|
---|
[388] | 430 | Throw New IndexOutOfRangeException("StringBuilder.Chars: The index argument 'i' is out of range value.")
|
---|
[272] | 431 | End If
|
---|
| 432 | Return chars[i]
|
---|
| 433 | End Function
|
---|
| 434 |
|
---|
[468] | 435 | Sub Chars(i As Long, c As Char)
|
---|
[272] | 436 | If i >= Length Or i < 0 Then
|
---|
[388] | 437 | Throw New ArgumentOutOfRangeException("StringBuilder.Chars: An argument is out of range value.", "i")
|
---|
[272] | 438 | End If
|
---|
| 439 | chars[i] = c
|
---|
| 440 | End Sub
|
---|
| 441 |
|
---|
| 442 | Const Function Length() As Long
|
---|
| 443 | Return size
|
---|
| 444 | End Function
|
---|
| 445 |
|
---|
| 446 | Sub Length(i As Long)
|
---|
| 447 | EnsureCapacity(i) 'iが適切な値かどうかの確認はこの中で行う
|
---|
| 448 | If size < i Then
|
---|
[468] | 449 | ActiveBasic.Strings.ChrFill(VarPtr(chars[size]), (i - size + 1) As SIZE_T, 0 As Char)
|
---|
[272] | 450 | End If
|
---|
| 451 | size = i
|
---|
| 452 | End Sub
|
---|
| 453 |
|
---|
| 454 | Const Function MaxCapacity() As Long
|
---|
| 455 | Return maxCapacity
|
---|
| 456 | End Function
|
---|
| 457 |
|
---|
[468] | 458 | Function __Chars() As *Char
|
---|
[272] | 459 | Return chars
|
---|
| 460 | End Function
|
---|
| 461 |
|
---|
| 462 | Sub __Stringized()
|
---|
| 463 | stringized = True
|
---|
| 464 | End Sub
|
---|
| 465 |
|
---|
| 466 | Private
|
---|
| 467 | Sub initialize(capacity As Long, maxCapacity = LONG_MAX As Long)
|
---|
| 468 | If capacity < 0 Or maxCapacity < 1 Or maxCapacity < capacity Then
|
---|
[388] | 469 | Throw New ArgumentOutOfRangeException("StringBuilder constructor: One or more arguments are out of range value.", "capacity or maxCapacity or both")
|
---|
[272] | 470 | End If
|
---|
| 471 |
|
---|
| 472 | If capacity = 0 Then
|
---|
| 473 | This.capacity = 1024
|
---|
| 474 | Else
|
---|
| 475 | This.capacity = capacity
|
---|
| 476 | End If
|
---|
| 477 |
|
---|
| 478 | This.maxCapacity = maxCapacity
|
---|
| 479 | This.size = 0
|
---|
[468] | 480 | This.chars = GC_malloc_atomic((This.capacity + 1) * SizeOf (Char))
|
---|
[272] | 481 | End Sub
|
---|
| 482 |
|
---|
| 483 | Sub initialize(s As String, startIndex As Long, length As Long, capacity As Long, maxCapacity = LONG_MAX As Long)
|
---|
| 484 | StringBuilder.rangeCheck2(s.Length, startIndex, length)
|
---|
| 485 |
|
---|
| 486 | initialize(Math.Max(capacity, length), maxCapacity)
|
---|
| 487 |
|
---|
| 488 | If Not String.IsNullOrEmpty(s) Then
|
---|
| 489 | s.CopyTo(startIndex, chars, 0, length)
|
---|
[383] | 490 | size = length
|
---|
[272] | 491 | End If
|
---|
| 492 | End Sub
|
---|
| 493 |
|
---|
| 494 | Sub rangeCheck(index As Long)
|
---|
| 495 | If index < 0 Or index > size Then
|
---|
[388] | 496 | Throw New ArgumentOutOfRangeException("StringBuilder: Index argument is out of range value.")
|
---|
[272] | 497 | End If
|
---|
| 498 | End Sub
|
---|
| 499 |
|
---|
| 500 | Sub rangeCheck(startIndex As Long, count As Long)
|
---|
| 501 | StringBuilder.rangeCheck2(size, startIndex, count)
|
---|
| 502 | End Sub
|
---|
| 503 |
|
---|
| 504 | Static Sub rangeCheck2(length As Long, startIndex As Long, count As Long)
|
---|
| 505 | 'length < 0は判定に入っていないことに注意
|
---|
| 506 | If startIndex < 0 Or count < 0 Or startIndex + count > length Then
|
---|
[388] | 507 | Throw New ArgumentOutOfRangeException("StringBuilder: One or more arguments are out of range value.", "startIndex or count or both")
|
---|
[272] | 508 | End If
|
---|
| 509 | End Sub
|
---|
| 510 |
|
---|
| 511 | Sub separateBuffer()
|
---|
| 512 | If stringized Then
|
---|
[468] | 513 | Dim newChars = GC_malloc_atomic(SizeOf (Char) * capacity) As *Char
|
---|
[272] | 514 | ActiveBasic.Strings.ChrCopy(newChars, chars, capacity As SIZE_T)
|
---|
| 515 | chars = newChars
|
---|
| 516 | stringized = False
|
---|
| 517 | End If
|
---|
| 518 | End Sub
|
---|
| 519 |
|
---|
[468] | 520 | chars As *Char
|
---|
[272] | 521 | maxCapacity As Long
|
---|
| 522 | capacity As Long
|
---|
| 523 | size As Long
|
---|
| 524 | stringized As Boolean
|
---|
| 525 | End Class
|
---|
| 526 |
|
---|
| 527 | End Namespace 'Text
|
---|
| 528 | End Namespace 'System
|
---|
| 529 |
|
---|
| 530 | '暫定
|
---|
[468] | 531 | Function StrPtr(sb As System.Text.StringBuilder) As *Char
|
---|
[272] | 532 | Return sb.__Chars
|
---|
| 533 | End Function
|
---|