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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "../../include/fxcrt/fx_basic.h" | 7 #include "../../include/fxcrt/fx_basic.h" |
8 FX_STRSIZE FX_ftoa(FX_FLOAT f, FX_CHAR* buf); | 8 FX_STRSIZE FX_ftoa(FX_FLOAT f, FX_CHAR* buf); |
9 CFX_BinaryBuf::CFX_BinaryBuf() | 9 CFX_BinaryBuf::CFX_BinaryBuf() |
10 : m_AllocStep(0) | 10 : m_AllocStep(0) |
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314 } else { | 314 } else { |
315 m_SavingBuf.AppendBlock(pData, dwSize); | 315 m_SavingBuf.AppendBlock(pData, dwSize); |
316 } | 316 } |
317 } | 317 } |
318 CFX_ArchiveLoader::CFX_ArchiveLoader(const uint8_t* pData, FX_DWORD dwSize) | 318 CFX_ArchiveLoader::CFX_ArchiveLoader(const uint8_t* pData, FX_DWORD dwSize) |
319 { | 319 { |
320 m_pLoadingBuf = pData; | 320 m_pLoadingBuf = pData; |
321 m_LoadingPos = 0; | 321 m_LoadingPos = 0; |
322 m_LoadingSize = dwSize; | 322 m_LoadingSize = dwSize; |
323 } | 323 } |
324 FX_BOOL CFX_ArchiveLoader::IsEOF() | 324 bool CFX_ArchiveLoader::IsEOF() |
325 { | 325 { |
326 return m_LoadingPos >= m_LoadingSize; | 326 return m_LoadingPos >= m_LoadingSize; |
327 } | 327 } |
328 CFX_ArchiveLoader& CFX_ArchiveLoader::operator >> (uint8_t& i) | 328 CFX_ArchiveLoader& CFX_ArchiveLoader::operator >> (uint8_t& i) |
329 { | 329 { |
330 if (m_LoadingPos >= m_LoadingSize) { | 330 if (m_LoadingPos >= m_LoadingSize) { |
331 return *this; | 331 return *this; |
332 } | 332 } |
333 i = m_pLoadingBuf[m_LoadingPos++]; | 333 i = m_pLoadingBuf[m_LoadingPos++]; |
334 return *this; | 334 return *this; |
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365 m_LoadingPos += len; | 365 m_LoadingPos += len; |
366 return *this; | 366 return *this; |
367 } | 367 } |
368 CFX_ArchiveLoader& CFX_ArchiveLoader::operator >> (CFX_WideString& str) | 368 CFX_ArchiveLoader& CFX_ArchiveLoader::operator >> (CFX_WideString& str) |
369 { | 369 { |
370 CFX_ByteString encoded; | 370 CFX_ByteString encoded; |
371 operator >> (encoded); | 371 operator >> (encoded); |
372 str = CFX_WideString::FromUTF16LE((const unsigned short*)encoded.c_str(), en
coded.GetLength()); | 372 str = CFX_WideString::FromUTF16LE((const unsigned short*)encoded.c_str(), en
coded.GetLength()); |
373 return *this; | 373 return *this; |
374 } | 374 } |
375 FX_BOOL CFX_ArchiveLoader::Read(void* pBuf, FX_DWORD dwSize) | 375 bool CFX_ArchiveLoader::Read(void* pBuf, FX_DWORD dwSize) |
376 { | 376 { |
377 if (m_LoadingPos + dwSize > m_LoadingSize) { | 377 if (m_LoadingPos + dwSize > m_LoadingSize) { |
378 return FALSE; | 378 return false; |
379 } | 379 } |
380 FXSYS_memcpy(pBuf, m_pLoadingBuf + m_LoadingPos, dwSize); | 380 FXSYS_memcpy(pBuf, m_pLoadingBuf + m_LoadingPos, dwSize); |
381 m_LoadingPos += dwSize; | 381 m_LoadingPos += dwSize; |
382 return TRUE; | 382 return true; |
383 } | 383 } |
384 void CFX_BitStream::Init(const uint8_t* pData, FX_DWORD dwSize) | 384 void CFX_BitStream::Init(const uint8_t* pData, FX_DWORD dwSize) |
385 { | 385 { |
386 m_pData = pData; | 386 m_pData = pData; |
387 m_BitSize = dwSize * 8; | 387 m_BitSize = dwSize * 8; |
388 m_BitPos = 0; | 388 m_BitPos = 0; |
389 } | 389 } |
390 void CFX_BitStream::ByteAlign() | 390 void CFX_BitStream::ByteAlign() |
391 { | 391 { |
392 int mod = m_BitPos % 8; | 392 int mod = m_BitPos % 8; |
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434 { | 434 { |
435 } | 435 } |
436 void IFX_BufferArchive::Clear() | 436 void IFX_BufferArchive::Clear() |
437 { | 437 { |
438 m_Length = 0; | 438 m_Length = 0; |
439 if (m_pBuffer) { | 439 if (m_pBuffer) { |
440 FX_Free(m_pBuffer); | 440 FX_Free(m_pBuffer); |
441 m_pBuffer = NULL; | 441 m_pBuffer = NULL; |
442 } | 442 } |
443 } | 443 } |
444 FX_BOOL IFX_BufferArchive::Flush() | 444 bool IFX_BufferArchive::Flush() |
445 { | 445 { |
446 FX_BOOL bRet = DoWork(m_pBuffer, m_Length); | 446 bool bRet = DoWork(m_pBuffer, m_Length); |
447 m_Length = 0; | 447 m_Length = 0; |
448 return bRet; | 448 return bRet; |
449 } | 449 } |
450 int32_t IFX_BufferArchive::AppendBlock(const void* pBuf, size_t size) | 450 int32_t IFX_BufferArchive::AppendBlock(const void* pBuf, size_t size) |
451 { | 451 { |
452 if (!pBuf || size < 1) { | 452 if (!pBuf || size < 1) { |
453 return 0; | 453 return 0; |
454 } | 454 } |
455 if (!m_pBuffer) { | 455 if (!m_pBuffer) { |
456 m_pBuffer = FX_Alloc(uint8_t, m_BufSize); | 456 m_pBuffer = FX_Alloc(uint8_t, m_BufSize); |
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481 FXSYS_itoa(i, buf, 10); | 481 FXSYS_itoa(i, buf, 10); |
482 return AppendBlock(buf, (size_t)FXSYS_strlen(buf)); | 482 return AppendBlock(buf, (size_t)FXSYS_strlen(buf)); |
483 } | 483 } |
484 int32_t IFX_BufferArchive::AppendString(const CFX_ByteStringC& lpsz) | 484 int32_t IFX_BufferArchive::AppendString(const CFX_ByteStringC& lpsz) |
485 { | 485 { |
486 return AppendBlock(lpsz.GetPtr(), lpsz.GetLength()); | 486 return AppendBlock(lpsz.GetPtr(), lpsz.GetLength()); |
487 } | 487 } |
488 CFX_FileBufferArchive::CFX_FileBufferArchive(FX_STRSIZE size) | 488 CFX_FileBufferArchive::CFX_FileBufferArchive(FX_STRSIZE size) |
489 : IFX_BufferArchive(size) | 489 : IFX_BufferArchive(size) |
490 , m_pFile(NULL) | 490 , m_pFile(NULL) |
491 , m_bTakeover(FALSE) | 491 , m_bTakeover(false) |
492 { | 492 { |
493 } | 493 } |
494 CFX_FileBufferArchive::~CFX_FileBufferArchive() | 494 CFX_FileBufferArchive::~CFX_FileBufferArchive() |
495 { | 495 { |
496 Clear(); | 496 Clear(); |
497 } | 497 } |
498 void CFX_FileBufferArchive::Clear() | 498 void CFX_FileBufferArchive::Clear() |
499 { | 499 { |
500 if (m_pFile && m_bTakeover) { | 500 if (m_pFile && m_bTakeover) { |
501 m_pFile->Release(); | 501 m_pFile->Release(); |
502 } | 502 } |
503 m_pFile = NULL; | 503 m_pFile = NULL; |
504 m_bTakeover = FALSE; | 504 m_bTakeover = false; |
505 IFX_BufferArchive::Clear(); | 505 IFX_BufferArchive::Clear(); |
506 } | 506 } |
507 FX_BOOL CFX_FileBufferArchive::AttachFile(IFX_StreamWrite *pFile, FX_BOOL bTakeo
ver ) | 507 bool CFX_FileBufferArchive::AttachFile(IFX_StreamWrite *pFile, bool bTakeover ) |
508 { | 508 { |
509 if (!pFile) { | 509 if (!pFile) { |
510 return FALSE; | 510 return false; |
511 } | 511 } |
512 if (m_pFile && m_bTakeover) { | 512 if (m_pFile && m_bTakeover) { |
513 m_pFile->Release(); | 513 m_pFile->Release(); |
514 } | 514 } |
515 m_pFile = pFile; | 515 m_pFile = pFile; |
516 m_bTakeover = bTakeover; | 516 m_bTakeover = bTakeover; |
517 return TRUE; | 517 return true; |
518 } | 518 } |
519 FX_BOOL CFX_FileBufferArchive::AttachFile(const FX_WCHAR* filename) | 519 bool CFX_FileBufferArchive::AttachFile(const FX_WCHAR* filename) |
520 { | 520 { |
521 if (!filename) { | 521 if (!filename) { |
522 return FALSE; | 522 return false; |
523 } | 523 } |
524 if (m_pFile && m_bTakeover) { | 524 if (m_pFile && m_bTakeover) { |
525 m_pFile->Release(); | 525 m_pFile->Release(); |
526 } | 526 } |
527 m_pFile = FX_CreateFileWrite(filename); | 527 m_pFile = FX_CreateFileWrite(filename); |
528 if (!m_pFile) { | 528 if (!m_pFile) { |
529 return FALSE; | 529 return false; |
530 } | 530 } |
531 m_bTakeover = TRUE; | 531 m_bTakeover = true; |
532 return TRUE; | 532 return true; |
533 } | 533 } |
534 FX_BOOL CFX_FileBufferArchive::AttachFile(const FX_CHAR* filename) | 534 bool CFX_FileBufferArchive::AttachFile(const FX_CHAR* filename) |
535 { | 535 { |
536 if (!filename) { | 536 if (!filename) { |
537 return FALSE; | 537 return false; |
538 } | 538 } |
539 if (m_pFile && m_bTakeover) { | 539 if (m_pFile && m_bTakeover) { |
540 m_pFile->Release(); | 540 m_pFile->Release(); |
541 } | 541 } |
542 m_pFile = FX_CreateFileWrite(filename); | 542 m_pFile = FX_CreateFileWrite(filename); |
543 if (!m_pFile) { | 543 if (!m_pFile) { |
544 return FALSE; | 544 return false; |
545 } | 545 } |
546 m_bTakeover = TRUE; | 546 m_bTakeover = true; |
547 return TRUE; | 547 return true; |
548 } | 548 } |
549 FX_BOOL CFX_FileBufferArchive::DoWork(const void* pBuf, size_t size) | 549 bool CFX_FileBufferArchive::DoWork(const void* pBuf, size_t size) |
550 { | 550 { |
551 if (!m_pFile) { | 551 if (!m_pFile) { |
552 return FALSE; | 552 return false; |
553 } | 553 } |
554 if (!pBuf || size < 1) { | 554 if (!pBuf || size < 1) { |
555 return TRUE; | 555 return true; |
556 } | 556 } |
557 return m_pFile->WriteBlock(pBuf, size); | 557 return m_pFile->WriteBlock(pBuf, size); |
558 } | 558 } |
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