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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_stream.h" | 7 #include "core/fpdfapi/fpdf_parser/cpdf_stream.h" |
8 | 8 |
9 #include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h" | 9 #include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h" |
10 #include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h" | 10 #include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h" |
11 #include "core/fpdfapi/fpdf_parser/fpdf_parser_decode.h" | 11 #include "core/fpdfapi/fpdf_parser/fpdf_parser_decode.h" |
12 #include "third_party/base/numerics/safe_conversions.h" | 12 #include "third_party/base/numerics/safe_conversions.h" |
13 #include "third_party/base/stl_util.h" | 13 #include "third_party/base/stl_util.h" |
14 | 14 |
15 CPDF_Stream::CPDF_Stream() {} | 15 CPDF_Stream::CPDF_Stream() {} |
16 | 16 |
17 CPDF_Stream::CPDF_Stream(uint8_t* pData, uint32_t size, CPDF_Dictionary* pDict) | 17 CPDF_Stream::CPDF_Stream(uint8_t* pData, uint32_t size, CPDF_Dictionary* pDict) |
18 : m_pDict(pDict), | 18 : m_pDict(pDict), |
19 m_dwSize(size), | 19 m_dwSize(size), |
20 m_pDataBuf(pData) {} | 20 m_pDataBuf(pData) {} |
21 | 21 |
22 CPDF_Stream::~CPDF_Stream() {} | 22 CPDF_Stream::~CPDF_Stream() { |
| 23 m_ObjNum = kInvalidObjNum; |
| 24 if (m_pDict && m_pDict->GetObjNum() == kInvalidObjNum) |
| 25 m_pDict.release(); // lowercase release, release ownership. |
| 26 } |
23 | 27 |
24 CPDF_Object::Type CPDF_Stream::GetType() const { | 28 CPDF_Object::Type CPDF_Stream::GetType() const { |
25 return STREAM; | 29 return STREAM; |
26 } | 30 } |
27 | 31 |
28 CPDF_Dictionary* CPDF_Stream::GetDict() const { | 32 CPDF_Dictionary* CPDF_Stream::GetDict() const { |
29 return m_pDict.get(); | 33 return m_pDict.get(); |
30 } | 34 } |
31 | 35 |
32 bool CPDF_Stream::IsStream() const { | 36 bool CPDF_Stream::IsStream() const { |
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110 | 114 |
111 return TRUE; | 115 return TRUE; |
112 } | 116 } |
113 | 117 |
114 CFX_WideString CPDF_Stream::GetUnicodeText() const { | 118 CFX_WideString CPDF_Stream::GetUnicodeText() const { |
115 CPDF_StreamAcc stream; | 119 CPDF_StreamAcc stream; |
116 stream.LoadAllData(this, FALSE); | 120 stream.LoadAllData(this, FALSE); |
117 return PDF_DecodeText(stream.GetData(), stream.GetSize()); | 121 return PDF_DecodeText(stream.GetData(), stream.GetSize()); |
118 } | 122 } |
119 | 123 |
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