[272] | 1 | 'Classes/System/Text/StringBuilder.ab
|
---|
| 2 |
|
---|
| 3 | #require <Classes/ActiveBasic/Strings/Strings.ab>
|
---|
| 4 |
|
---|
| 5 | Namespace System
|
---|
| 6 | Namespace Text
|
---|
| 7 |
|
---|
| 8 | Class StringBuilder
|
---|
| 9 | 'Inherits ISerializable
|
---|
| 10 | Public
|
---|
| 11 | Sub StringBuilder()
|
---|
| 12 | initialize(1024)
|
---|
| 13 | End Sub
|
---|
| 14 |
|
---|
| 15 | Sub StringBuilder(capacity As Long)
|
---|
| 16 | initialize(capacity)
|
---|
| 17 | End Sub
|
---|
| 18 |
|
---|
| 19 | Sub StringBuilder(s As String)
|
---|
| 20 | initialize(s, 0, s.Length, s.Length * 2)
|
---|
| 21 | End Sub
|
---|
| 22 |
|
---|
| 23 | Sub StringBuilder(capacity As Long, maxCapacity As Long)
|
---|
| 24 | initialize(capacity, maxCapacity)
|
---|
| 25 | End Sub
|
---|
| 26 |
|
---|
| 27 | Sub StringBuilder(s As String, capacity As Long)
|
---|
| 28 | initialize(s, 0, s.Length, capacity)
|
---|
| 29 | End Sub
|
---|
| 30 |
|
---|
| 31 | Sub StringBuilder(s As String, startIndex As Long, length As Long, capacity As Long)
|
---|
| 32 | initialize(s, startIndex, length, capacity)
|
---|
| 33 | End Sub
|
---|
| 34 |
|
---|
| 35 | 'Methods
|
---|
| 36 |
|
---|
| 37 | Function Append(x As Boolean) As StringBuilder
|
---|
| 38 | Append(Str$(x))
|
---|
| 39 | Return This
|
---|
| 40 | End Function
|
---|
| 41 |
|
---|
| 42 | Function Append(x As StrChar) As StringBuilder
|
---|
| 43 | EnsureCapacity(size + 1)
|
---|
| 44 | separateBuffer()
|
---|
| 45 | chars[size] = x
|
---|
| 46 | size++
|
---|
| 47 | Return This
|
---|
| 48 | End Function
|
---|
| 49 |
|
---|
| 50 | #ifdef __STRING_IS_NOT_UNICODE
|
---|
| 51 | Function Append(x As Word) As StringBuilder
|
---|
| 52 | Append(Str$(x As DWord))
|
---|
| 53 | Return This
|
---|
| 54 | End Function
|
---|
| 55 | #else
|
---|
| 56 | Function Append(x As SByte) As StringBuilder
|
---|
| 57 | Append(Str$(x As Long))
|
---|
| 58 | Return This
|
---|
| 59 | End Function
|
---|
| 60 | #endif
|
---|
| 61 |
|
---|
| 62 | Function Append(x As Byte) As StringBuilder
|
---|
| 63 | Append(Str$(x As DWord))
|
---|
| 64 | Return This
|
---|
| 65 | End Function
|
---|
| 66 |
|
---|
| 67 | Function Append(x As Integer) As StringBuilder
|
---|
| 68 | Append(Str$(x As Long))
|
---|
| 69 | Return This
|
---|
| 70 | End Function
|
---|
| 71 |
|
---|
| 72 | Function Append(x As Long) As StringBuilder
|
---|
| 73 | Append(Str$(x))
|
---|
| 74 | Return This
|
---|
| 75 | End Function
|
---|
| 76 |
|
---|
| 77 | Function Append(x As DWord) As StringBuilder
|
---|
| 78 | Append(Str$(x))
|
---|
| 79 | Return This
|
---|
| 80 | End Function
|
---|
| 81 |
|
---|
| 82 | Function Append(x As Int64) As StringBuilder
|
---|
| 83 | Append(Str$(x))
|
---|
| 84 | Return This
|
---|
| 85 | End Function
|
---|
| 86 |
|
---|
| 87 | Function Append(x As QWord) As StringBuilder
|
---|
| 88 | Append(Str$(x))
|
---|
| 89 | Return This
|
---|
| 90 | End Function
|
---|
| 91 |
|
---|
| 92 | Function Append(x As Single) As StringBuilder
|
---|
| 93 | Append(Str$(x))
|
---|
| 94 | Return This
|
---|
| 95 | End Function
|
---|
| 96 |
|
---|
| 97 | Function Append(x As Double) As StringBuilder
|
---|
| 98 | Append(Str$(x))
|
---|
| 99 | Return This
|
---|
| 100 | End Function
|
---|
| 101 |
|
---|
| 102 | Function Append(x As Object) As StringBuilder
|
---|
| 103 | Append(x.ToString)
|
---|
| 104 | Return This
|
---|
| 105 | End Function
|
---|
| 106 |
|
---|
| 107 | Function Append(c As StrChar, n As Long) As StringBuilder
|
---|
| 108 | EnsureCapacity(size + n)
|
---|
| 109 | ActiveBasic.Strings.ChrFill(VarPtr(chars[size]), n As SIZE_T, c)
|
---|
| 110 | size += n
|
---|
| 111 | Return This
|
---|
| 112 | End Function
|
---|
| 113 |
|
---|
| 114 | Function Append(s As String) As StringBuilder
|
---|
| 115 | If Not String.IsNullOrEmpty(s) Then
|
---|
| 116 | appendCore(s, 0, s.Length)
|
---|
| 117 | End If
|
---|
| 118 | Return This
|
---|
| 119 | End Function
|
---|
| 120 |
|
---|
| 121 | Function Append(s As String, startIndex As Long, count As Long) As StringBuilder
|
---|
| 122 | If s = 0 Then
|
---|
| 123 | If startIndex = 0 And count = 0 Then
|
---|
| 124 | Return This
|
---|
| 125 | Else
|
---|
| 126 | 'Throw ArgumentNullException
|
---|
| 127 | End If
|
---|
| 128 | End If
|
---|
| 129 | StringBuilder.rangeCheck2(s.Length, startIndex, count)
|
---|
| 130 | appendCore(s, startIndex, count)
|
---|
| 131 | Return This
|
---|
| 132 | End Function
|
---|
| 133 |
|
---|
| 134 | Function Append(s As *StrChar, startIndex As Long, count As Long) As StringBuilder
|
---|
| 135 | If s = 0 Then
|
---|
| 136 | If startIndex = 0 And count = 0 Then
|
---|
| 137 | Return This
|
---|
| 138 | Else
|
---|
| 139 | 'Throw ArgumentNullException
|
---|
| 140 | End If
|
---|
| 141 | ElseIf startIndex < 0 Or count < 0 Then
|
---|
| 142 | 'Throw ArgumentOutOfRangeException
|
---|
| 143 | End If
|
---|
| 144 | appendCore(s, startIndex, count)
|
---|
| 145 | Return This
|
---|
| 146 | End Function
|
---|
| 147 | Private
|
---|
| 148 | Sub appendCore(s As *StrChar, start As Long, count As Long)
|
---|
| 149 | EnsureCapacity(size + count)
|
---|
| 150 | separateBuffer()
|
---|
| 151 | ActiveBasic.Strings.ChrCopy(VarPtr(chars[size]), VarPtr(s[start]), count As SIZE_T)
|
---|
| 152 | size += count
|
---|
| 153 | End Sub
|
---|
| 154 |
|
---|
| 155 | Sub appendCore(s As String, start As Long, count As Long)
|
---|
| 156 | EnsureCapacity(size + count)
|
---|
| 157 | separateBuffer()
|
---|
| 158 | s.CopyTo(start, chars, size, count)
|
---|
| 159 | size += count
|
---|
| 160 | End Sub
|
---|
| 161 | Public
|
---|
| 162 | 'AppendFormat
|
---|
| 163 |
|
---|
| 164 | Function AppendLine() As StringBuilder
|
---|
| 165 | separateBuffer()
|
---|
| 166 | Append(Environment.NewLine)
|
---|
| 167 | Return This
|
---|
| 168 | End Function
|
---|
| 169 |
|
---|
| 170 | Function AppendLine(s As String) As StringBuilder
|
---|
| 171 | EnsureCapacity(Capacity + s.Length + Environment.NewLine.Length)
|
---|
| 172 | separateBuffer()
|
---|
| 173 | Append(s)
|
---|
| 174 | Append(Environment.NewLine)
|
---|
| 175 | Return This
|
---|
| 176 | End Function
|
---|
| 177 |
|
---|
| 178 | Const Sub CopyTo(sourceIndex As Long, ByRef dest[] As StrChar, destIndex As Long, count As Long)
|
---|
| 179 | If dest = 0 Then
|
---|
| 180 | 'Throw ArgumentNullException
|
---|
| 181 | ElseIf size < sourceIndex + count Or sourceIndex < 0 Or destIndex < 0 Or count < 0 Then
|
---|
| 182 | 'Throw ArgumentOutOfRangeException
|
---|
| 183 | End If
|
---|
| 184 |
|
---|
| 185 | memcpy(VarPtr(dest[destIndex]), VarPtr(chars[sourceIndex]), count * SizeOf (StrChar))
|
---|
| 186 | End Sub
|
---|
| 187 |
|
---|
| 188 | Function EnsureCapacity(c As Long) As Long
|
---|
| 189 | If c < 0 Or c > MaxCapacity Then
|
---|
| 190 | 'Throw ArgumentOutOfRangeException
|
---|
| 191 | ElseIf c > Capacity Then
|
---|
| 192 | Dim p = GC_malloc_atomic((c + 1) * SizeOf (StrChar)) As *StrChar
|
---|
| 193 | If p = 0 Then
|
---|
| 194 | 'Throw OutOfMemoryException
|
---|
| 195 | Debug
|
---|
| 196 | End If
|
---|
| 197 | ActiveBasic.Strings.ChrCopy(p, chars, size As SIZE_T)
|
---|
| 198 | chars = p
|
---|
| 199 | capacity = c
|
---|
| 200 | stringized = False
|
---|
| 201 | End If
|
---|
| 202 | End Function
|
---|
| 203 |
|
---|
| 204 | 'Override Function Equals(o As Object) As Boolean
|
---|
| 205 |
|
---|
| 206 | Const Function Equals(s As StringBuilder) As Boolean
|
---|
| 207 | Return ActiveBasic.Strings.StrCmp(chars, s.chars) = 0 _
|
---|
| 208 | And capacity = s.capacity _
|
---|
| 209 | And maxCapacity = s.maxCapacity
|
---|
| 210 | End Function
|
---|
| 211 |
|
---|
| 212 | Override Function GetHashCode() As Long
|
---|
| 213 | #ifdef __STRING_IS_NOT_UNICODE
|
---|
| 214 | Dim n = (size + 1) >> 1
|
---|
| 215 | #else
|
---|
| 216 | Dim n = size
|
---|
| 217 | #endif
|
---|
| 218 | Return _System_GetHashFromWordArray(chars As *Word, n As SIZE_T) Xor capacity Xor maxCapacity
|
---|
| 219 | End Function
|
---|
| 220 |
|
---|
| 221 | Function Insert(i As Long, x As Boolean) As StringBuilder
|
---|
| 222 | rangeCheck(i)
|
---|
| 223 | insertCore(i, Str$(x))
|
---|
| 224 | Return This
|
---|
| 225 | End Function
|
---|
| 226 |
|
---|
| 227 | Function Insert(i As Long, x As StrChar) As StringBuilder
|
---|
| 228 | Insert(i, VarPtr(x), 0, 1)
|
---|
| 229 | Return This
|
---|
| 230 | End Function
|
---|
| 231 | #ifdef __STRING_IS_NOT_UNICODE
|
---|
| 232 | Function Insert(i As Long, x As Word) As StringBuilder
|
---|
| 233 | rangeCheck(i)
|
---|
| 234 | insertCore(i, Str$(x As DWord))
|
---|
| 235 | Return This
|
---|
| 236 | End Function
|
---|
| 237 | #else
|
---|
| 238 | Function Insert(i As Long, x As SByte) As StringBuilder
|
---|
| 239 | rangeCheck(i)
|
---|
| 240 | insertCore(i, Str$(x As Long))
|
---|
| 241 | Return This
|
---|
| 242 | End Function
|
---|
| 243 | #endif
|
---|
| 244 |
|
---|
| 245 | Function Insert(i As Long, x As Byte) As StringBuilder
|
---|
| 246 | rangeCheck(i)
|
---|
| 247 | insertCore(i, Str$(x))
|
---|
| 248 | Return This
|
---|
| 249 | End Function
|
---|
| 250 |
|
---|
| 251 | Function Insert(i As Long, x As Integer) As StringBuilder
|
---|
| 252 | rangeCheck(i)
|
---|
| 253 | insertCore(i, Str$(x))
|
---|
| 254 | Return This
|
---|
| 255 | End Function
|
---|
| 256 |
|
---|
| 257 | Function Insert(i As Long, x As Long) As StringBuilder
|
---|
| 258 | rangeCheck(i)
|
---|
| 259 | insertCore(i, Str$(x))
|
---|
| 260 | Return This
|
---|
| 261 | End Function
|
---|
| 262 |
|
---|
| 263 | Function Insert(i As Long, x As DWord) As StringBuilder
|
---|
| 264 | rangeCheck(i)
|
---|
| 265 | insertCore(i, Str$(x))
|
---|
| 266 | Return This
|
---|
| 267 | End Function
|
---|
| 268 |
|
---|
| 269 | Function Insert(i As Long, x As Int64) As StringBuilder
|
---|
| 270 | rangeCheck(i)
|
---|
| 271 | insertCore(i, Str$(x))
|
---|
| 272 | Return This
|
---|
| 273 | End Function
|
---|
| 274 |
|
---|
| 275 | Function Insert(i As Long, x As Single) As StringBuilder
|
---|
| 276 | rangeCheck(i)
|
---|
| 277 | insertCore(i, Str$(x))
|
---|
| 278 | Return This
|
---|
| 279 | End Function
|
---|
| 280 |
|
---|
| 281 | Function Insert(i As Long, x As Double) As StringBuilder
|
---|
| 282 | rangeCheck(i)
|
---|
| 283 | insertCore(i, Str$(x))
|
---|
| 284 | Return This
|
---|
| 285 | End Function
|
---|
| 286 |
|
---|
| 287 | Function Insert(i As Long, s As String) As StringBuilder
|
---|
| 288 | rangeCheck(i)
|
---|
| 289 | insertCore(i, s)
|
---|
| 290 | Return This
|
---|
| 291 | End Function
|
---|
| 292 |
|
---|
| 293 | Function Insert(i As Long, o As Object) As StringBuilder
|
---|
| 294 | rangeCheck(i)
|
---|
| 295 | insertCore(i, o.ToString)
|
---|
| 296 | Return This
|
---|
| 297 | End Function
|
---|
| 298 |
|
---|
| 299 | Function Insert(index As Long, x As String, n As Long) As StringBuilder
|
---|
| 300 | rangeCheck(index)
|
---|
| 301 | If n < 0 Then
|
---|
| 302 | 'Throw New ArgumentOutOfRangeException
|
---|
| 303 | Debug
|
---|
| 304 | End If
|
---|
| 305 | Dim len = x.Length
|
---|
| 306 | Dim lenTotal = len * n
|
---|
| 307 | Dim newSize = size + lenTotal
|
---|
| 308 | EnsureCapacity(newSize)
|
---|
| 309 | separateBuffer()
|
---|
[288] | 310 |
|
---|
| 311 | ' TODO: fix me!(定義されていない変数iが使われています)
|
---|
| 312 | 'ActiveBasic.Strings.ChrMove(VarPtr(chars[i + lenTotal]), VarPtr(chars[i]), (size - index) As SIZE_T)
|
---|
| 313 |
|
---|
[272] | 314 | Dim i As Long
|
---|
| 315 | For i = 0 To ELM(n)
|
---|
| 316 | x.CopyTo(0, chars, size + i * len, len)
|
---|
| 317 | Next
|
---|
| 318 | size = newSize
|
---|
| 319 | Return This
|
---|
| 320 | End Function
|
---|
| 321 |
|
---|
| 322 |
|
---|
| 323 | Function Insert(i As Long, x As *StrChar, index As Long, count As Long) As StringBuilder
|
---|
| 324 | rangeCheck(i)
|
---|
| 325 | If x = 0 Then
|
---|
| 326 | 'Throw New ArgumentNullException
|
---|
| 327 | Debug
|
---|
| 328 | ElseIf index < 0 Or count < 0 Then
|
---|
| 329 | 'Throw New ArgumentNullException
|
---|
| 330 | Debug
|
---|
| 331 | End If
|
---|
| 332 |
|
---|
| 333 | Dim newSize = size + count
|
---|
| 334 | EnsureCapacity(newSize)
|
---|
| 335 | separateBuffer()
|
---|
| 336 | ActiveBasic.Strings.ChrMove(VarPtr(chars[i + count]), VarPtr(chars[i]), (size - i) As SIZE_T)
|
---|
| 337 | ActiveBasic.Strings.ChrCopy(VarPtr(chars[i]), VarPtr(x[index]), count As SIZE_T)
|
---|
| 338 | size = newSize
|
---|
| 339 | Return This
|
---|
| 340 | End Function
|
---|
| 341 |
|
---|
| 342 | Private
|
---|
| 343 | Sub insertCore(i As Long, s As String)
|
---|
| 344 | Dim newSize = size + s.Length
|
---|
| 345 | EnsureCapacity(newSize)
|
---|
| 346 | separateBuffer()
|
---|
| 347 | ActiveBasic.Strings.ChrMove(VarPtr(chars[i + s.Length]), VarPtr(chars[i]), (size - i) As SIZE_T)
|
---|
| 348 | s.CopyTo(0, chars, i, s.Length)
|
---|
| 349 | size = newSize
|
---|
| 350 | End Sub
|
---|
| 351 | Public
|
---|
| 352 |
|
---|
| 353 | Function Remove(startIndex As Long, length As Long) As StringBuilder
|
---|
| 354 | rangeCheck(startIndex, length)
|
---|
| 355 | separateBuffer()
|
---|
| 356 |
|
---|
| 357 | Dim moveStart = startIndex + length
|
---|
| 358 | ActiveBasic.Strings.ChrMove(
|
---|
| 359 | VarPtr(chars[startIndex]), VarPtr(chars[moveStart]), (size - moveStart) As SIZE_T)
|
---|
| 360 | size -= length
|
---|
| 361 | Return This
|
---|
| 362 | End Function
|
---|
| 363 |
|
---|
| 364 | Function Replace(oldChar As StrChar, newChar As StrChar) As StringBuilder
|
---|
| 365 | replaceCore(oldChar, newChar, 0, size)
|
---|
| 366 | Return This
|
---|
| 367 | End Function
|
---|
| 368 |
|
---|
| 369 | Function Replace(oldStr As String, newStr As String) As StringBuilder
|
---|
| 370 | replaceCore(oldStr, newStr, 0, size)
|
---|
| 371 | Return This
|
---|
| 372 | End Function
|
---|
| 373 |
|
---|
| 374 | Function Replace(oldChar As StrChar, newChar As StrChar, startIndex As Long, count As Long) As StringBuilder
|
---|
| 375 | rangeCheck(startIndex, count)
|
---|
| 376 | replaceCore(oldChar, newChar, startIndex, count)
|
---|
| 377 | Return This
|
---|
| 378 | End Function
|
---|
| 379 |
|
---|
| 380 | Function Replace(oldStr As String, newStr As String, startIndex As Long, count As Long) As StringBuilder
|
---|
| 381 | rangeCheck(startIndex, count)
|
---|
| 382 | replaceCore(oldStr, newStr, startIndex, count)
|
---|
| 383 | Return This
|
---|
| 384 | End Function
|
---|
| 385 | Private
|
---|
| 386 | Sub replaceCore(oldChar As StrChar, newChar As StrChar, start As Long, count As Long)
|
---|
| 387 | separateBuffer()
|
---|
| 388 | Dim i As Long
|
---|
| 389 | Dim last = ELM(start + count)
|
---|
| 390 | For i = start To last
|
---|
| 391 | If chars[i] = oldChar Then
|
---|
| 392 | chars[i] = newChar
|
---|
| 393 | End If
|
---|
| 394 | Next
|
---|
| 395 | End Sub
|
---|
| 396 |
|
---|
| 397 | Sub replaceCore(oldStr As String, newStr As String, start As Long, count As Long)
|
---|
| 398 | If Object.ReferenceEquals(oldStr, Nothing) Then
|
---|
| 399 | 'Throw ArgumentNullException
|
---|
| 400 | Debug
|
---|
| 401 | ElseIf oldStr.Length = 0 Then
|
---|
| 402 | 'Throw ArgumentException
|
---|
| 403 | Debug
|
---|
| 404 | End If
|
---|
| 405 |
|
---|
| 406 | Dim s = New StringBuilder(capacity, maxCapacity)
|
---|
| 407 | Dim curPos = 0 As Long
|
---|
| 408 | Do
|
---|
[370] | 409 | Dim nextPos = ActiveBasic.Strings.ChrFind(VarPtr(chars[curPos]) As *StrChar, size As SIZE_T, StrPtr(oldStr), oldStr.Length As SIZE_T) As Long
|
---|
[272] | 410 | If nextPos = -1 As SIZE_T Then
|
---|
| 411 | Exit Sub
|
---|
| 412 | End If
|
---|
| 413 |
|
---|
| 414 | s.appendCore(chars, curPos, nextPos)
|
---|
| 415 | s.Append(newStr)
|
---|
| 416 | curPos += nextPos + oldStr.Length
|
---|
| 417 | Loop
|
---|
| 418 | chars = s.chars
|
---|
| 419 | size = s.size
|
---|
| 420 | End Sub
|
---|
| 421 |
|
---|
| 422 | Public
|
---|
| 423 | Override Function ToString() As String
|
---|
| 424 | chars[size] = 0
|
---|
| 425 | Return New String(This)
|
---|
| 426 | End Function
|
---|
| 427 |
|
---|
| 428 | Const Function ToString(startIndex As Long, length As Long) As String
|
---|
| 429 | rangeCheck(startIndex, length)
|
---|
| 430 | Return New String(chars, startIndex, length)
|
---|
| 431 | End Function
|
---|
| 432 |
|
---|
| 433 | Const Function Operator [](i As Long) As StrChar
|
---|
| 434 | Return Chars[i]
|
---|
| 435 | End Function
|
---|
| 436 |
|
---|
| 437 | Sub Operator []=(i As Long, c As StrChar)
|
---|
| 438 | Chars[i] = c
|
---|
| 439 | End Sub
|
---|
| 440 |
|
---|
| 441 | 'Properties
|
---|
| 442 | Const Function Capacity() As Long
|
---|
| 443 | Return capacity
|
---|
| 444 | End Function
|
---|
| 445 |
|
---|
| 446 | Sub Capacity(c As Long)
|
---|
| 447 | If c < size Or c > MaxCapacity Then 'sizeとの比較でcが負の場合も対応
|
---|
| 448 | 'Throw ArgumentOutOfRangeException
|
---|
| 449 | End If
|
---|
| 450 | EnsureCapacity(c)
|
---|
| 451 | End Sub
|
---|
| 452 |
|
---|
| 453 | Const Function Chars(i As Long) As StrChar
|
---|
| 454 | If i >= Length Or i < 0 Then
|
---|
| 455 | 'Throw IndexOutOfRangeException
|
---|
| 456 | Debug
|
---|
| 457 | End If
|
---|
| 458 | Return chars[i]
|
---|
| 459 | End Function
|
---|
| 460 |
|
---|
| 461 | Sub Chars(i As Long, c As StrChar)
|
---|
| 462 | If i >= Length Or i < 0 Then
|
---|
| 463 | 'Throw ArgumentOutOfRangeException
|
---|
| 464 | Debug
|
---|
| 465 | End If
|
---|
| 466 | chars[i] = c
|
---|
| 467 | End Sub
|
---|
| 468 |
|
---|
| 469 | Const Function Length() As Long
|
---|
| 470 | Return size
|
---|
| 471 | End Function
|
---|
| 472 |
|
---|
| 473 | Sub Length(i As Long)
|
---|
| 474 | EnsureCapacity(i) 'iが適切な値かどうかの確認はこの中で行う
|
---|
| 475 | If size < i Then
|
---|
| 476 | ActiveBasic.Strings.ChrFill(VarPtr(chars[size]), (i - size + 1) As SIZE_T, 0 As StrChar)
|
---|
| 477 | End If
|
---|
| 478 | size = i
|
---|
| 479 | End Sub
|
---|
| 480 |
|
---|
| 481 | Const Function MaxCapacity() As Long
|
---|
| 482 | Return maxCapacity
|
---|
| 483 | End Function
|
---|
| 484 |
|
---|
| 485 | Function __Chars() As *StrChar
|
---|
| 486 | Return chars
|
---|
| 487 | End Function
|
---|
| 488 |
|
---|
| 489 | Sub __Stringized()
|
---|
| 490 | stringized = True
|
---|
| 491 | End Sub
|
---|
| 492 |
|
---|
| 493 | Private
|
---|
| 494 | Sub initialize(capacity As Long, maxCapacity = LONG_MAX As Long)
|
---|
| 495 | If capacity < 0 Or maxCapacity < 1 Or maxCapacity < capacity Then
|
---|
| 496 | 'Throw ArgumentOutOfRangeException
|
---|
| 497 | End If
|
---|
| 498 |
|
---|
| 499 | If capacity = 0 Then
|
---|
| 500 | This.capacity = 1024
|
---|
| 501 | Else
|
---|
| 502 | This.capacity = capacity
|
---|
| 503 | End If
|
---|
| 504 |
|
---|
| 505 | This.maxCapacity = maxCapacity
|
---|
| 506 | This.size = 0
|
---|
| 507 | This.chars = GC_malloc_atomic((This.capacity + 1) * SizeOf (StrChar))
|
---|
| 508 | If chars = 0 Then
|
---|
| 509 | 'Throw OutOfMemoryException
|
---|
| 510 | Debug
|
---|
| 511 | End If
|
---|
| 512 |
|
---|
| 513 | End Sub
|
---|
| 514 |
|
---|
| 515 | Sub initialize(s As String, startIndex As Long, length As Long, capacity As Long, maxCapacity = LONG_MAX As Long)
|
---|
| 516 | StringBuilder.rangeCheck2(s.Length, startIndex, length)
|
---|
| 517 |
|
---|
| 518 | initialize(Math.Max(capacity, length), maxCapacity)
|
---|
| 519 |
|
---|
| 520 | If Not String.IsNullOrEmpty(s) Then
|
---|
| 521 | s.CopyTo(startIndex, chars, 0, length)
|
---|
| 522 | size = s.Length
|
---|
| 523 | End If
|
---|
| 524 | End Sub
|
---|
| 525 |
|
---|
| 526 | Sub rangeCheck(index As Long)
|
---|
| 527 | If index < 0 Or index > size Then
|
---|
| 528 | 'Throw ArgumentOutOfRangeException
|
---|
| 529 | Debug
|
---|
| 530 | End If
|
---|
| 531 | End Sub
|
---|
| 532 |
|
---|
| 533 | Sub rangeCheck(startIndex As Long, count As Long)
|
---|
| 534 | StringBuilder.rangeCheck2(size, startIndex, count)
|
---|
| 535 | End Sub
|
---|
| 536 |
|
---|
| 537 | Static Sub rangeCheck2(length As Long, startIndex As Long, count As Long)
|
---|
| 538 | 'length < 0は判定に入っていないことに注意
|
---|
| 539 | If startIndex < 0 Or count < 0 Or startIndex + count > length Then
|
---|
| 540 | 'Throw ArgumentOutOfRangeException
|
---|
| 541 | Debug
|
---|
| 542 | End If
|
---|
| 543 | End Sub
|
---|
| 544 |
|
---|
| 545 | Sub separateBuffer()
|
---|
| 546 | If stringized Then
|
---|
| 547 | Dim newChars = GC_malloc_atomic(SizeOf (StrChar) * capacity) As *StrChar
|
---|
| 548 | ActiveBasic.Strings.ChrCopy(newChars, chars, capacity As SIZE_T)
|
---|
| 549 | chars = newChars
|
---|
| 550 | stringized = False
|
---|
| 551 | End If
|
---|
| 552 | End Sub
|
---|
| 553 |
|
---|
| 554 | chars As *StrChar
|
---|
| 555 | maxCapacity As Long
|
---|
| 556 | capacity As Long
|
---|
| 557 | size As Long
|
---|
| 558 | stringized As Boolean
|
---|
| 559 | End Class
|
---|
| 560 |
|
---|
| 561 | End Namespace 'Text
|
---|
| 562 | End Namespace 'System
|
---|
| 563 |
|
---|
| 564 | '暫定
|
---|
| 565 | Function StrPtr(sb As System.Text.StringBuilder) As *StrChar
|
---|
| 566 | Return sb.__Chars
|
---|
| 567 | End Function
|
---|