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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 "core/fpdfapi/parser/cfdf_document.h" | 7 #include "core/fpdfapi/parser/cfdf_document.h" |
8 | 8 |
9 #include <memory> | 9 #include <memory> |
10 #include <utility> | 10 #include <utility> |
11 | 11 |
12 #include "core/fpdfapi/edit/cpdf_creator.h" | 12 #include "core/fpdfapi/edit/cpdf_creator.h" |
13 #include "core/fpdfapi/parser/cpdf_dictionary.h" | 13 #include "core/fpdfapi/parser/cpdf_dictionary.h" |
14 #include "core/fpdfapi/parser/cpdf_syntax_parser.h" | 14 #include "core/fpdfapi/parser/cpdf_syntax_parser.h" |
15 #include "third_party/base/ptr_util.h" | 15 #include "third_party/base/ptr_util.h" |
16 | 16 |
17 CFDF_Document::CFDF_Document() | 17 CFDF_Document::CFDF_Document() |
18 : CPDF_IndirectObjectHolder(), | 18 : CPDF_IndirectObjectHolder(), |
19 m_pRootDict(nullptr), | 19 m_pRootDict(nullptr), |
20 m_pFile(nullptr), | 20 m_pFile(nullptr), |
21 m_bOwnFile(false) {} | 21 m_bOwnFile(false) {} |
22 | 22 |
23 CFDF_Document::~CFDF_Document() { | 23 CFDF_Document::~CFDF_Document() { |
24 if (m_bOwnFile && m_pFile) | 24 if (m_bOwnFile && m_pFile) |
25 m_pFile->Release(); | 25 m_pFile->Release(); |
26 } | 26 } |
27 | 27 |
28 CFDF_Document* CFDF_Document::CreateNewDoc() { | 28 std::unique_ptr<CFDF_Document> CFDF_Document::CreateNewDoc() { |
29 CFDF_Document* pDoc = new CFDF_Document; | 29 auto pDoc = pdfium::MakeUnique<CFDF_Document>(); |
30 pDoc->m_pRootDict = pDoc->NewIndirect<CPDF_Dictionary>(); | 30 pDoc->m_pRootDict = pDoc->NewIndirect<CPDF_Dictionary>(); |
31 pDoc->m_pRootDict->SetNewFor<CPDF_Dictionary>("FDF"); | 31 pDoc->m_pRootDict->SetNewFor<CPDF_Dictionary>("FDF"); |
32 return pDoc; | 32 return pDoc; |
33 } | 33 } |
34 | 34 |
35 CFDF_Document* CFDF_Document::ParseFile(IFX_SeekableReadStream* pFile, | 35 std::unique_ptr<CFDF_Document> CFDF_Document::ParseFile( |
36 bool bOwnFile) { | 36 IFX_SeekableReadStream* pFile, |
| 37 bool bOwnFile) { |
37 if (!pFile) | 38 if (!pFile) |
38 return nullptr; | 39 return nullptr; |
39 | 40 |
40 std::unique_ptr<CFDF_Document> pDoc(new CFDF_Document); | 41 auto pDoc = pdfium::MakeUnique<CFDF_Document>(); |
41 pDoc->ParseStream(pFile, bOwnFile); | 42 pDoc->ParseStream(pFile, bOwnFile); |
42 return pDoc->m_pRootDict ? pDoc.release() : nullptr; | 43 return pDoc->m_pRootDict ? std::move(pDoc) : nullptr; |
43 } | 44 } |
44 | 45 |
45 CFDF_Document* CFDF_Document::ParseMemory(const uint8_t* pData, uint32_t size) { | 46 std::unique_ptr<CFDF_Document> CFDF_Document::ParseMemory(const uint8_t* pData, |
| 47 uint32_t size) { |
46 return CFDF_Document::ParseFile(FX_CreateMemoryStream((uint8_t*)pData, size), | 48 return CFDF_Document::ParseFile(FX_CreateMemoryStream((uint8_t*)pData, size), |
47 true); | 49 true); |
48 } | 50 } |
49 | 51 |
50 void CFDF_Document::ParseStream(IFX_SeekableReadStream* pFile, bool bOwnFile) { | 52 void CFDF_Document::ParseStream(IFX_SeekableReadStream* pFile, bool bOwnFile) { |
51 m_pFile = pFile; | 53 m_pFile = pFile; |
52 m_bOwnFile = bOwnFile; | 54 m_bOwnFile = bOwnFile; |
53 CPDF_SyntaxParser parser; | 55 CPDF_SyntaxParser parser; |
54 parser.InitParser(m_pFile, 0); | 56 parser.InitParser(m_pFile, 0); |
55 while (1) { | 57 while (1) { |
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97 | 99 |
98 buf << "%FDF-1.2\r\n"; | 100 buf << "%FDF-1.2\r\n"; |
99 for (const auto& pair : *this) | 101 for (const auto& pair : *this) |
100 buf << pair.first << " 0 obj\r\n" | 102 buf << pair.first << " 0 obj\r\n" |
101 << pair.second.get() << "\r\nendobj\r\n\r\n"; | 103 << pair.second.get() << "\r\nendobj\r\n\r\n"; |
102 | 104 |
103 buf << "trailer\r\n<</Root " << m_pRootDict->GetObjNum() | 105 buf << "trailer\r\n<</Root " << m_pRootDict->GetObjNum() |
104 << " 0 R>>\r\n%%EOF\r\n"; | 106 << " 0 R>>\r\n%%EOF\r\n"; |
105 return true; | 107 return true; |
106 } | 108 } |
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