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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/fpdfdoc/cpdf_numbertree.h" | 7 #include "core/fpdfdoc/cpdf_numbertree.h" |
8 | 8 |
9 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" | 9 #include "core/fpdfapi/fpdf_parser/cpdf_array.h" |
10 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" | 10 #include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h" |
11 | 11 |
12 namespace { | 12 namespace { |
13 | 13 |
14 CPDF_Object* SearchNumberNode(const CPDF_Dictionary* pNode, int num) { | 14 CPDF_Object* SearchNumberNode(const CPDF_Dictionary* pNode, int num) { |
15 CPDF_Array* pLimits = pNode->GetArrayFor("Limits"); | 15 CPDF_Array* pLimits = pNode->GetArrayFor("Limits"); |
16 if (pLimits && | 16 if (pLimits && |
17 (num < pLimits->GetIntegerAt(0) || num > pLimits->GetIntegerAt(1))) { | 17 (num < pLimits->GetIntegerAt(0) || num > pLimits->GetIntegerAt(1))) { |
18 return nullptr; | 18 return nullptr; |
19 } | 19 } |
20 CPDF_Array* pNumbers = pNode->GetArrayFor("Nums"); | 20 CPDF_Array* pNumbers = pNode->GetArrayFor("Nums"); |
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43 return pFound; | 43 return pFound; |
44 } | 44 } |
45 return nullptr; | 45 return nullptr; |
46 } | 46 } |
47 | 47 |
48 } // namespace | 48 } // namespace |
49 | 49 |
50 CPDF_Object* CPDF_NumberTree::LookupValue(int num) const { | 50 CPDF_Object* CPDF_NumberTree::LookupValue(int num) const { |
51 return SearchNumberNode(m_pRoot, num); | 51 return SearchNumberNode(m_pRoot, num); |
52 } | 52 } |
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