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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/fpdf_parser/include/cpdf_array.h" | 7 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" |
8 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" | 8 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" |
9 #include "core/fpdfdoc/doc_utils.h" | 9 #include "core/fpdfdoc/doc_utils.h" |
10 #include "core/include/fpdfdoc/fpdf_doc.h" | 10 #include "core/include/fpdfdoc/fpdf_doc.h" |
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24 | 24 |
25 CPDF_Object* pPage = pArray->GetElementValue(0); | 25 CPDF_Object* pPage = pArray->GetElementValue(0); |
26 if (!pPage) | 26 if (!pPage) |
27 return 0; | 27 return 0; |
28 if (pPage->IsNumber()) | 28 if (pPage->IsNumber()) |
29 return pPage->GetInteger(); | 29 return pPage->GetInteger(); |
30 if (!pPage->IsDictionary()) | 30 if (!pPage->IsDictionary()) |
31 return 0; | 31 return 0; |
32 return pDoc->GetPageIndex(pPage->GetObjNum()); | 32 return pDoc->GetPageIndex(pPage->GetObjNum()); |
33 } | 33 } |
34 FX_DWORD CPDF_Dest::GetPageObjNum() { | 34 uint32_t CPDF_Dest::GetPageObjNum() { |
35 CPDF_Array* pArray = ToArray(m_pObj); | 35 CPDF_Array* pArray = ToArray(m_pObj); |
36 if (!pArray) | 36 if (!pArray) |
37 return 0; | 37 return 0; |
38 | 38 |
39 CPDF_Object* pPage = pArray->GetElementValue(0); | 39 CPDF_Object* pPage = pArray->GetElementValue(0); |
40 if (!pPage) | 40 if (!pPage) |
41 return 0; | 41 return 0; |
42 if (pPage->IsNumber()) | 42 if (pPage->IsNumber()) |
43 return pPage->GetInteger(); | 43 return pPage->GetInteger(); |
44 if (pPage->IsDictionary()) | 44 if (pPage->IsDictionary()) |
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94 CFX_ByteString csTmp = csRight; | 94 CFX_ByteString csTmp = csRight; |
95 csRight = csLeft; | 95 csRight = csLeft; |
96 csLeft = csTmp; | 96 csLeft = csTmp; |
97 } | 97 } |
98 if (csName.Compare(csLeft) < 0 || csName.Compare(csRight) > 0) { | 98 if (csName.Compare(csLeft) < 0 || csName.Compare(csRight) > 0) { |
99 return NULL; | 99 return NULL; |
100 } | 100 } |
101 } | 101 } |
102 CPDF_Array* pNames = pNode->GetArrayBy("Names"); | 102 CPDF_Array* pNames = pNode->GetArrayBy("Names"); |
103 if (pNames) { | 103 if (pNames) { |
104 FX_DWORD dwCount = pNames->GetCount() / 2; | 104 uint32_t dwCount = pNames->GetCount() / 2; |
105 for (FX_DWORD i = 0; i < dwCount; i++) { | 105 for (uint32_t i = 0; i < dwCount; i++) { |
106 CFX_ByteString csValue = pNames->GetStringAt(i * 2); | 106 CFX_ByteString csValue = pNames->GetStringAt(i * 2); |
107 int32_t iCompare = csValue.Compare(csName); | 107 int32_t iCompare = csValue.Compare(csName); |
108 if (iCompare <= 0) { | 108 if (iCompare <= 0) { |
109 if (ppFind) { | 109 if (ppFind) { |
110 *ppFind = pNames; | 110 *ppFind = pNames; |
111 } | 111 } |
112 if (iCompare < 0) { | 112 if (iCompare < 0) { |
113 continue; | 113 continue; |
114 } | 114 } |
115 } else { | 115 } else { |
116 break; | 116 break; |
117 } | 117 } |
118 nIndex += i; | 118 nIndex += i; |
119 return pNames->GetElementValue(i * 2 + 1); | 119 return pNames->GetElementValue(i * 2 + 1); |
120 } | 120 } |
121 nIndex += dwCount; | 121 nIndex += dwCount; |
122 return NULL; | 122 return NULL; |
123 } | 123 } |
124 CPDF_Array* pKids = pNode->GetArrayBy("Kids"); | 124 CPDF_Array* pKids = pNode->GetArrayBy("Kids"); |
125 if (!pKids) { | 125 if (!pKids) { |
126 return NULL; | 126 return NULL; |
127 } | 127 } |
128 for (FX_DWORD i = 0; i < pKids->GetCount(); i++) { | 128 for (uint32_t i = 0; i < pKids->GetCount(); i++) { |
129 CPDF_Dictionary* pKid = pKids->GetDictAt(i); | 129 CPDF_Dictionary* pKid = pKids->GetDictAt(i); |
130 if (!pKid) { | 130 if (!pKid) { |
131 continue; | 131 continue; |
132 } | 132 } |
133 CPDF_Object* pFound = | 133 CPDF_Object* pFound = |
134 SearchNameNode(pKid, csName, nIndex, ppFind, nLevel + 1); | 134 SearchNameNode(pKid, csName, nIndex, ppFind, nLevel + 1); |
135 if (pFound) { | 135 if (pFound) { |
136 return pFound; | 136 return pFound; |
137 } | 137 } |
138 } | 138 } |
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157 if (ppFind) { | 157 if (ppFind) { |
158 *ppFind = pNames; | 158 *ppFind = pNames; |
159 } | 159 } |
160 csName = pNames->GetStringAt((nIndex - nCurIndex) * 2); | 160 csName = pNames->GetStringAt((nIndex - nCurIndex) * 2); |
161 return pNames->GetElementValue((nIndex - nCurIndex) * 2 + 1); | 161 return pNames->GetElementValue((nIndex - nCurIndex) * 2 + 1); |
162 } | 162 } |
163 CPDF_Array* pKids = pNode->GetArrayBy("Kids"); | 163 CPDF_Array* pKids = pNode->GetArrayBy("Kids"); |
164 if (!pKids) { | 164 if (!pKids) { |
165 return NULL; | 165 return NULL; |
166 } | 166 } |
167 for (FX_DWORD i = 0; i < pKids->GetCount(); i++) { | 167 for (uint32_t i = 0; i < pKids->GetCount(); i++) { |
168 CPDF_Dictionary* pKid = pKids->GetDictAt(i); | 168 CPDF_Dictionary* pKid = pKids->GetDictAt(i); |
169 if (!pKid) { | 169 if (!pKid) { |
170 continue; | 170 continue; |
171 } | 171 } |
172 CPDF_Object* pFound = | 172 CPDF_Object* pFound = |
173 SearchNameNode(pKid, nIndex, nCurIndex, csName, ppFind, nLevel + 1); | 173 SearchNameNode(pKid, nIndex, nCurIndex, csName, ppFind, nLevel + 1); |
174 if (pFound) { | 174 if (pFound) { |
175 return pFound; | 175 return pFound; |
176 } | 176 } |
177 } | 177 } |
178 return NULL; | 178 return NULL; |
179 } | 179 } |
180 static int CountNames(CPDF_Dictionary* pNode, int nLevel = 0) { | 180 static int CountNames(CPDF_Dictionary* pNode, int nLevel = 0) { |
181 if (nLevel > nMaxRecursion) { | 181 if (nLevel > nMaxRecursion) { |
182 return 0; | 182 return 0; |
183 } | 183 } |
184 CPDF_Array* pNames = pNode->GetArrayBy("Names"); | 184 CPDF_Array* pNames = pNode->GetArrayBy("Names"); |
185 if (pNames) { | 185 if (pNames) { |
186 return pNames->GetCount() / 2; | 186 return pNames->GetCount() / 2; |
187 } | 187 } |
188 CPDF_Array* pKids = pNode->GetArrayBy("Kids"); | 188 CPDF_Array* pKids = pNode->GetArrayBy("Kids"); |
189 if (!pKids) { | 189 if (!pKids) { |
190 return 0; | 190 return 0; |
191 } | 191 } |
192 int nCount = 0; | 192 int nCount = 0; |
193 for (FX_DWORD i = 0; i < pKids->GetCount(); i++) { | 193 for (uint32_t i = 0; i < pKids->GetCount(); i++) { |
194 CPDF_Dictionary* pKid = pKids->GetDictAt(i); | 194 CPDF_Dictionary* pKid = pKids->GetDictAt(i); |
195 if (!pKid) { | 195 if (!pKid) { |
196 continue; | 196 continue; |
197 } | 197 } |
198 nCount += CountNames(pKid, nLevel + 1); | 198 nCount += CountNames(pKid, nLevel + 1); |
199 } | 199 } |
200 return nCount; | 200 return nCount; |
201 } | 201 } |
202 int CPDF_NameTree::GetCount() const { | 202 int CPDF_NameTree::GetCount() const { |
203 if (!m_pRoot) { | 203 if (!m_pRoot) { |
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508 int nPage = FXSYS_atoi(bsLbl); | 508 int nPage = FXSYS_atoi(bsLbl); |
509 if (nPage > 0 && nPage <= nPages) { | 509 if (nPage > 0 && nPage <= nPages) { |
510 return nPage; | 510 return nPage; |
511 } | 511 } |
512 return -1; | 512 return -1; |
513 } | 513 } |
514 int32_t CPDF_PageLabel::GetPageByLabel(const CFX_WideStringC& wsLabel) const { | 514 int32_t CPDF_PageLabel::GetPageByLabel(const CFX_WideStringC& wsLabel) const { |
515 CFX_ByteString bsLabel = PDF_EncodeText(wsLabel.GetPtr()); | 515 CFX_ByteString bsLabel = PDF_EncodeText(wsLabel.GetPtr()); |
516 return GetPageByLabel(bsLabel); | 516 return GetPageByLabel(bsLabel); |
517 } | 517 } |
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