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Side by Side Diff: core/src/fpdfdoc/doc_basic.cpp

Issue 1417893003: Add type cast definitions for CPDF_Array. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 5 years, 1 month ago
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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 "../../include/fpdfdoc/fpdf_doc.h" 7 #include "../../include/fpdfdoc/fpdf_doc.h"
8 const int nMaxRecursion = 32; 8 const int nMaxRecursion = 32;
9 int CPDF_Dest::GetPageIndex(CPDF_Document* pDoc) { 9 int CPDF_Dest::GetPageIndex(CPDF_Document* pDoc) {
10 if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) { 10 CPDF_Array* pArray = ToArray(m_pObj);
11 if (!pArray)
11 return 0; 12 return 0;
12 } 13
13 CPDF_Object* pPage = ((CPDF_Array*)m_pObj)->GetElementValue(0); 14 CPDF_Object* pPage = pArray->GetElementValue(0);
14 if (!pPage) 15 if (!pPage)
15 return 0; 16 return 0;
16 if (pPage->IsNumber()) 17 if (pPage->IsNumber())
17 return pPage->GetInteger(); 18 return pPage->GetInteger();
18 if (!pPage->IsDictionary()) 19 if (!pPage->IsDictionary())
19 return 0; 20 return 0;
20 return pDoc->GetPageIndex(pPage->GetObjNum()); 21 return pDoc->GetPageIndex(pPage->GetObjNum());
21 } 22 }
22 FX_DWORD CPDF_Dest::GetPageObjNum() { 23 FX_DWORD CPDF_Dest::GetPageObjNum() {
23 if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) { 24 CPDF_Array* pArray = ToArray(m_pObj);
25 if (!pArray)
24 return 0; 26 return 0;
25 } 27
26 CPDF_Object* pPage = ((CPDF_Array*)m_pObj)->GetElementValue(0); 28 CPDF_Object* pPage = pArray->GetElementValue(0);
27 if (!pPage) 29 if (!pPage)
28 return 0; 30 return 0;
29 if (pPage->IsNumber()) 31 if (pPage->IsNumber())
30 return pPage->GetInteger(); 32 return pPage->GetInteger();
31 if (pPage->IsDictionary()) 33 if (pPage->IsDictionary())
32 return pPage->GetObjNum(); 34 return pPage->GetObjNum();
33 return 0; 35 return 0;
34 } 36 }
35 const FX_CHAR* g_sZoomModes[] = {"XYZ", "Fit", "FitH", "FitV", "FitR", 37 const FX_CHAR* g_sZoomModes[] = {"XYZ", "Fit", "FitH", "FitV", "FitR",
36 "FitB", "FitBH", "FitBV", ""}; 38 "FitB", "FitBH", "FitBV", ""};
37 int CPDF_Dest::GetZoomMode() { 39 int CPDF_Dest::GetZoomMode() {
38 if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) { 40 CPDF_Array* pArray = ToArray(m_pObj);
41 if (!pArray)
39 return 0; 42 return 0;
40 } 43
41 CFX_ByteString mode; 44 CFX_ByteString mode;
42 CPDF_Object* pObj = ((CPDF_Array*)m_pObj)->GetElementValue(1); 45 CPDF_Object* pObj = pArray->GetElementValue(1);
43 mode = pObj ? pObj->GetString() : CFX_ByteString(); 46 mode = pObj ? pObj->GetString() : CFX_ByteString();
44 int i = 0; 47 int i = 0;
45 while (g_sZoomModes[i][0] != '\0') { 48 while (g_sZoomModes[i][0] != '\0') {
46 if (mode == g_sZoomModes[i]) { 49 if (mode == g_sZoomModes[i]) {
47 return i + 1; 50 return i + 1;
48 } 51 }
49 i++; 52 i++;
50 } 53 }
51 return 0; 54 return 0;
52 } 55 }
53 FX_FLOAT CPDF_Dest::GetParam(int index) { 56 FX_FLOAT CPDF_Dest::GetParam(int index) {
54 if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) { 57 CPDF_Array* pArray = ToArray(m_pObj);
55 return 0; 58 return pArray ? pArray->GetNumber(2 + index) : 0;
56 }
57 return ((CPDF_Array*)m_pObj)->GetNumber(2 + index);
58 } 59 }
59 CFX_ByteString CPDF_Dest::GetRemoteName() { 60 CFX_ByteString CPDF_Dest::GetRemoteName() {
60 if (m_pObj == NULL) { 61 return m_pObj ? m_pObj->GetString() : CFX_ByteString();
61 return CFX_ByteString();
62 }
63 return m_pObj->GetString();
64 } 62 }
65 CPDF_NameTree::CPDF_NameTree(CPDF_Document* pDoc, 63 CPDF_NameTree::CPDF_NameTree(CPDF_Document* pDoc,
66 const CFX_ByteStringC& category) { 64 const CFX_ByteStringC& category) {
67 if (pDoc->GetRoot() && pDoc->GetRoot()->GetDict(FX_BSTRC("Names"))) 65 if (pDoc->GetRoot() && pDoc->GetRoot()->GetDict(FX_BSTRC("Names")))
68 m_pRoot = pDoc->GetRoot()->GetDict(FX_BSTRC("Names"))->GetDict(category); 66 m_pRoot = pDoc->GetRoot()->GetDict(FX_BSTRC("Names"))->GetDict(category);
69 else 67 else
70 m_pRoot = NULL; 68 m_pRoot = NULL;
71 } 69 }
72 static CPDF_Object* SearchNameNode(CPDF_Dictionary* pNode, 70 static CPDF_Object* SearchNameNode(CPDF_Dictionary* pNode,
73 const CFX_ByteString& csName, 71 const CFX_ByteString& csName,
(...skipping 143 matching lines...) Expand 10 before | Expand all | Expand 10 after
217 CPDF_Object* CPDF_NameTree::LookupValue(const CFX_ByteString& csName) const { 215 CPDF_Object* CPDF_NameTree::LookupValue(const CFX_ByteString& csName) const {
218 if (m_pRoot == NULL) { 216 if (m_pRoot == NULL) {
219 return NULL; 217 return NULL;
220 } 218 }
221 int nIndex = 0; 219 int nIndex = 0;
222 return SearchNameNode(m_pRoot, csName, nIndex, NULL); 220 return SearchNameNode(m_pRoot, csName, nIndex, NULL);
223 } 221 }
224 CPDF_Array* CPDF_NameTree::LookupNamedDest(CPDF_Document* pDoc, 222 CPDF_Array* CPDF_NameTree::LookupNamedDest(CPDF_Document* pDoc,
225 const CFX_ByteStringC& sName) { 223 const CFX_ByteStringC& sName) {
226 CPDF_Object* pValue = LookupValue(sName); 224 CPDF_Object* pValue = LookupValue(sName);
227 if (pValue == NULL) { 225 if (!pValue) {
228 CPDF_Dictionary* pDests = pDoc->GetRoot()->GetDict(FX_BSTRC("Dests")); 226 CPDF_Dictionary* pDests = pDoc->GetRoot()->GetDict(FX_BSTRC("Dests"));
229 if (pDests == NULL) { 227 if (!pDests)
230 return NULL; 228 return nullptr;
231 }
232 pValue = pDests->GetElementValue(sName); 229 pValue = pDests->GetElementValue(sName);
233 } 230 }
234 if (pValue == NULL) { 231 if (!pValue)
235 return NULL; 232 return nullptr;
236 } 233 if (CPDF_Array* pArray = pValue->AsArray())
237 if (pValue->GetType() == PDFOBJ_ARRAY) { 234 return pArray;
238 return (CPDF_Array*)pValue; 235 if (CPDF_Dictionary* pDict = pValue->AsDictionary())
239 }
240 if (CPDF_Dictionary* pDict = pValue->AsDictionary()) {
241 return pDict->GetArray(FX_BSTRC("D")); 236 return pDict->GetArray(FX_BSTRC("D"));
242 } 237 return nullptr;
243 return NULL;
244 } 238 }
245 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ || \ 239 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ || \
246 _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ 240 _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
247 static CFX_WideString ChangeSlashToPlatform(const FX_WCHAR* str) { 241 static CFX_WideString ChangeSlashToPlatform(const FX_WCHAR* str) {
248 CFX_WideString result; 242 CFX_WideString result;
249 while (*str) { 243 while (*str) {
250 if (*str == '/') { 244 if (*str == '/') {
251 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ 245 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
252 result += ':'; 246 result += ':';
253 #else 247 #else
(...skipping 282 matching lines...) Expand 10 before | Expand all | Expand 10 after
536 int nPage = FXSYS_atoi(bsLbl); 530 int nPage = FXSYS_atoi(bsLbl);
537 if (nPage > 0 && nPage <= nPages) { 531 if (nPage > 0 && nPage <= nPages) {
538 return nPage; 532 return nPage;
539 } 533 }
540 return -1; 534 return -1;
541 } 535 }
542 int32_t CPDF_PageLabel::GetPageByLabel(const CFX_WideStringC& wsLabel) const { 536 int32_t CPDF_PageLabel::GetPageByLabel(const CFX_WideStringC& wsLabel) const {
543 CFX_ByteString bsLabel = PDF_EncodeText(wsLabel.GetPtr()); 537 CFX_ByteString bsLabel = PDF_EncodeText(wsLabel.GetPtr());
544 return GetPageByLabel(bsLabel); 538 return GetPageByLabel(bsLabel);
545 } 539 }
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