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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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