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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 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 "core/fpdfapi/fpdf_parser/cpdf_parser.h" | 7 #include "core/fpdfapi/fpdf_parser/cpdf_parser.h" |
8 | 8 |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "core/fpdfapi/fpdf_parser/cpdf_array.h" | 11 #include "core/fpdfapi/fpdf_parser/cpdf_array.h" |
12 #include "core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h" | 12 #include "core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h" |
13 #include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h" | 13 #include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h" |
14 #include "core/fpdfapi/fpdf_parser/cpdf_document.h" | 14 #include "core/fpdfapi/fpdf_parser/cpdf_document.h" |
15 #include "core/fpdfapi/fpdf_parser/cpdf_number.h" | 15 #include "core/fpdfapi/fpdf_parser/cpdf_number.h" |
16 #include "core/fpdfapi/fpdf_parser/cpdf_reference.h" | 16 #include "core/fpdfapi/fpdf_parser/cpdf_reference.h" |
17 #include "core/fpdfapi/fpdf_parser/cpdf_security_handler.h" | 17 #include "core/fpdfapi/fpdf_parser/cpdf_security_handler.h" |
18 #include "core/fpdfapi/fpdf_parser/cpdf_stream.h" | 18 #include "core/fpdfapi/fpdf_parser/cpdf_stream.h" |
19 #include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h" | 19 #include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h" |
20 #include "core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h" | 20 #include "core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h" |
21 #include "core/fpdfapi/fpdf_parser/fpdf_parser_utility.h" | 21 #include "core/fpdfapi/fpdf_parser/fpdf_parser_utility.h" |
22 #include "core/fxcrt/include/fx_ext.h" | 22 #include "core/fxcrt/fx_ext.h" |
23 #include "core/fxcrt/include/fx_safe_types.h" | 23 #include "core/fxcrt/fx_safe_types.h" |
24 #include "third_party/base/stl_util.h" | 24 #include "third_party/base/stl_util.h" |
25 | 25 |
26 namespace { | 26 namespace { |
27 | 27 |
28 // A limit on the size of the xref table. Theoretical limits are higher, but | 28 // A limit on the size of the xref table. Theoretical limits are higher, but |
29 // this may be large enough in practice. | 29 // this may be large enough in practice. |
30 const int32_t kMaxXRefSize = 1048576; | 30 const int32_t kMaxXRefSize = 1048576; |
31 | 31 |
32 uint32_t GetVarInt(const uint8_t* p, int32_t n) { | 32 uint32_t GetVarInt(const uint8_t* p, int32_t n) { |
33 uint32_t result = 0; | 33 uint32_t result = 0; |
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1628 if (!LoadLinearizedAllCrossRefV4(m_LastXRefOffset, m_dwXrefStartObjNum) && | 1628 if (!LoadLinearizedAllCrossRefV4(m_LastXRefOffset, m_dwXrefStartObjNum) && |
1629 !LoadLinearizedAllCrossRefV5(m_LastXRefOffset)) { | 1629 !LoadLinearizedAllCrossRefV5(m_LastXRefOffset)) { |
1630 m_LastXRefOffset = 0; | 1630 m_LastXRefOffset = 0; |
1631 m_pSyntax->m_MetadataObjnum = dwSaveMetadataObjnum; | 1631 m_pSyntax->m_MetadataObjnum = dwSaveMetadataObjnum; |
1632 return FORMAT_ERROR; | 1632 return FORMAT_ERROR; |
1633 } | 1633 } |
1634 | 1634 |
1635 m_pSyntax->m_MetadataObjnum = dwSaveMetadataObjnum; | 1635 m_pSyntax->m_MetadataObjnum = dwSaveMetadataObjnum; |
1636 return SUCCESS; | 1636 return SUCCESS; |
1637 } | 1637 } |
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