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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/include/cpdf_indirect_object_holder.h" | 7 #include "core/fpdfapi/fpdf_parser/include/cpdf_indirect_object_holder.h" |
8 | 8 |
9 #include "core/fpdfapi/fpdf_parser/include/cpdf_object.h" | 9 #include "core/fpdfapi/fpdf_parser/include/cpdf_object.h" |
10 #include "core/fpdfapi/fpdf_parser/include/cpdf_parser.h" | 10 #include "core/fpdfapi/fpdf_parser/include/cpdf_parser.h" |
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40 | 40 |
41 CPDF_Object* CPDF_IndirectObjectHolder::ParseIndirectObject(uint32_t objnum) { | 41 CPDF_Object* CPDF_IndirectObjectHolder::ParseIndirectObject(uint32_t objnum) { |
42 return nullptr; | 42 return nullptr; |
43 } | 43 } |
44 | 44 |
45 uint32_t CPDF_IndirectObjectHolder::AddIndirectObject(CPDF_Object* pObj) { | 45 uint32_t CPDF_IndirectObjectHolder::AddIndirectObject(CPDF_Object* pObj) { |
46 if (pObj->m_ObjNum) | 46 if (pObj->m_ObjNum) |
47 return pObj->m_ObjNum; | 47 return pObj->m_ObjNum; |
48 | 48 |
49 m_LastObjNum++; | 49 m_LastObjNum++; |
| 50 m_IndirectObjs[m_LastObjNum].release(); // TODO(tsepez): stop this leak. |
50 m_IndirectObjs[m_LastObjNum].reset(pObj); | 51 m_IndirectObjs[m_LastObjNum].reset(pObj); |
51 pObj->m_ObjNum = m_LastObjNum; | 52 pObj->m_ObjNum = m_LastObjNum; |
52 return m_LastObjNum; | 53 return m_LastObjNum; |
53 } | 54 } |
54 | 55 |
55 bool CPDF_IndirectObjectHolder::ReplaceIndirectObjectIfHigherGeneration( | 56 bool CPDF_IndirectObjectHolder::ReplaceIndirectObjectIfHigherGeneration( |
56 uint32_t objnum, | 57 uint32_t objnum, |
57 CPDF_Object* pObj) { | 58 CPDF_Object* pObj) { |
58 if (!objnum || !pObj) | 59 if (!objnum || !pObj) |
59 return false; | 60 return false; |
60 | 61 |
61 CPDF_Object* pOldObj = GetIndirectObject(objnum); | 62 CPDF_Object* pOldObj = GetIndirectObject(objnum); |
62 if (pOldObj && pObj->GetGenNum() <= pOldObj->GetGenNum()) { | 63 if (pOldObj && pObj->GetGenNum() <= pOldObj->GetGenNum()) { |
63 delete pObj; | 64 delete pObj; |
64 return false; | 65 return false; |
65 } | 66 } |
66 pObj->m_ObjNum = objnum; | 67 pObj->m_ObjNum = objnum; |
67 m_IndirectObjs[objnum].reset(pObj); | 68 m_IndirectObjs[objnum].reset(pObj); |
68 m_LastObjNum = std::max(m_LastObjNum, objnum); | 69 m_LastObjNum = std::max(m_LastObjNum, objnum); |
69 return true; | 70 return true; |
70 } | 71 } |
71 | 72 |
72 void CPDF_IndirectObjectHolder::ReleaseIndirectObject(uint32_t objnum) { | 73 void CPDF_IndirectObjectHolder::ReleaseIndirectObject(uint32_t objnum) { |
73 CPDF_Object* pObj = GetIndirectObject(objnum); | 74 CPDF_Object* pObj = GetIndirectObject(objnum); |
74 if (!pObj || pObj->GetObjNum() == CPDF_Object::kInvalidObjNum) | 75 if (!pObj || pObj->GetObjNum() == CPDF_Object::kInvalidObjNum) |
75 return; | 76 return; |
76 | 77 |
77 m_IndirectObjs.erase(objnum); | 78 m_IndirectObjs.erase(objnum); |
78 } | 79 } |
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