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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 "public/fpdf_ppo.h" | 7 #include "public/fpdf_ppo.h" |
| 8 | 8 |
| 9 #include <memory> | 9 #include <memory> |
| 10 | 10 |
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| 196 break; | 196 break; |
| 197 pp = ToDictionary(pp->GetElement("Parent")->GetDirect()); | 197 pp = ToDictionary(pp->GetElement("Parent")->GetDirect()); |
| 198 } | 198 } |
| 199 return nullptr; | 199 return nullptr; |
| 200 } | 200 } |
| 201 | 201 |
| 202 FX_BOOL CPDF_PageOrganizer::UpdateReference(CPDF_Object* pObj, | 202 FX_BOOL CPDF_PageOrganizer::UpdateReference(CPDF_Object* pObj, |
| 203 CPDF_Document* pDoc, | 203 CPDF_Document* pDoc, |
| 204 ObjectNumberMap* pObjNumberMap) { | 204 ObjectNumberMap* pObjNumberMap) { |
| 205 switch (pObj->GetType()) { | 205 switch (pObj->GetType()) { |
| 206 case PDFOBJ_REFERENCE: { | 206 case CPDF_Object::REFERENCE: { |
| 207 CPDF_Reference* pReference = pObj->AsReference(); | 207 CPDF_Reference* pReference = pObj->AsReference(); |
| 208 FX_DWORD newobjnum = GetNewObjId(pDoc, pObjNumberMap, pReference); | 208 FX_DWORD newobjnum = GetNewObjId(pDoc, pObjNumberMap, pReference); |
| 209 if (newobjnum == 0) | 209 if (newobjnum == 0) |
| 210 return FALSE; | 210 return FALSE; |
| 211 pReference->SetRef(pDoc, newobjnum); | 211 pReference->SetRef(pDoc, newobjnum); |
| 212 break; | 212 break; |
| 213 } | 213 } |
| 214 case PDFOBJ_DICTIONARY: { | 214 case CPDF_Object::DICTIONARY: { |
| 215 CPDF_Dictionary* pDict = pObj->AsDictionary(); | 215 CPDF_Dictionary* pDict = pObj->AsDictionary(); |
| 216 auto it = pDict->begin(); | 216 auto it = pDict->begin(); |
| 217 while (it != pDict->end()) { | 217 while (it != pDict->end()) { |
| 218 const CFX_ByteString& key = it->first; | 218 const CFX_ByteString& key = it->first; |
| 219 CPDF_Object* pNextObj = it->second; | 219 CPDF_Object* pNextObj = it->second; |
| 220 ++it; | 220 ++it; |
| 221 if (!FXSYS_strcmp(key, "Parent") || !FXSYS_strcmp(key, "Prev") || | 221 if (!FXSYS_strcmp(key, "Parent") || !FXSYS_strcmp(key, "Prev") || |
| 222 !FXSYS_strcmp(key, "First")) { | 222 !FXSYS_strcmp(key, "First")) { |
| 223 continue; | 223 continue; |
| 224 } | 224 } |
| 225 if (pNextObj) { | 225 if (pNextObj) { |
| 226 if (!UpdateReference(pNextObj, pDoc, pObjNumberMap)) | 226 if (!UpdateReference(pNextObj, pDoc, pObjNumberMap)) |
| 227 pDict->RemoveAt(key); | 227 pDict->RemoveAt(key); |
| 228 } else { | 228 } else { |
| 229 return FALSE; | 229 return FALSE; |
| 230 } | 230 } |
| 231 } | 231 } |
| 232 break; | 232 break; |
| 233 } | 233 } |
| 234 case PDFOBJ_ARRAY: { | 234 case CPDF_Object::ARRAY: { |
| 235 CPDF_Array* pArray = pObj->AsArray(); | 235 CPDF_Array* pArray = pObj->AsArray(); |
| 236 FX_DWORD count = pArray->GetCount(); | 236 FX_DWORD count = pArray->GetCount(); |
| 237 for (FX_DWORD i = 0; i < count; ++i) { | 237 for (FX_DWORD i = 0; i < count; ++i) { |
| 238 CPDF_Object* pNextObj = pArray->GetElement(i); | 238 CPDF_Object* pNextObj = pArray->GetElement(i); |
| 239 if (!pNextObj) | 239 if (!pNextObj) |
| 240 return FALSE; | 240 return FALSE; |
| 241 if (!UpdateReference(pNextObj, pDoc, pObjNumberMap)) | 241 if (!UpdateReference(pNextObj, pDoc, pObjNumberMap)) |
| 242 return FALSE; | 242 return FALSE; |
| 243 } | 243 } |
| 244 break; | 244 break; |
| 245 } | 245 } |
| 246 case PDFOBJ_STREAM: { | 246 case CPDF_Object::STREAM: { |
| 247 CPDF_Stream* pStream = pObj->AsStream(); | 247 CPDF_Stream* pStream = pObj->AsStream(); |
| 248 CPDF_Dictionary* pDict = pStream->GetDict(); | 248 CPDF_Dictionary* pDict = pStream->GetDict(); |
| 249 if (pDict) { | 249 if (pDict) { |
| 250 if (!UpdateReference(pDict, pDoc, pObjNumberMap)) | 250 if (!UpdateReference(pDict, pDoc, pObjNumberMap)) |
| 251 return FALSE; | 251 return FALSE; |
| 252 } else { | 252 } else { |
| 253 return FALSE; | 253 return FALSE; |
| 254 } | 254 } |
| 255 break; | 255 break; |
| 256 } | 256 } |
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| 398 if (!pSrcDict) | 398 if (!pSrcDict) |
| 399 return FALSE; | 399 return FALSE; |
| 400 | 400 |
| 401 CPDF_Dictionary* pDstDict = pDstDoc->GetRoot(); | 401 CPDF_Dictionary* pDstDict = pDstDoc->GetRoot(); |
| 402 if (!pDstDict) | 402 if (!pDstDict) |
| 403 return FALSE; | 403 return FALSE; |
| 404 | 404 |
| 405 pDstDict->SetAt("ViewerPreferences", pSrcDict->Clone(TRUE)); | 405 pDstDict->SetAt("ViewerPreferences", pSrcDict->Clone(TRUE)); |
| 406 return TRUE; | 406 return TRUE; |
| 407 } | 407 } |
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