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Side by Side Diff: fpdfsdk/fpdf_dataavail.cpp

Issue 2061973002: Get rid of IPDF_DataAvail. (Closed) Base URL: https://pdfium.googlesource.com/pdfium@master
Patch Set: rebase, nit Created 4 years, 6 months 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 "public/fpdf_dataavail.h" 7 #include "public/fpdf_dataavail.h"
8 8
9 #include "core/fpdfapi/fpdf_parser/include/cpdf_data_avail.h"
9 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" 10 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
10 #include "core/fpdfapi/fpdf_parser/include/ipdf_data_avail.h"
11 #include "fpdfsdk/include/fsdk_define.h" 11 #include "fpdfsdk/include/fsdk_define.h"
12 #include "public/fpdf_formfill.h" 12 #include "public/fpdf_formfill.h"
13 13
14 // These checks are here because core/ and public/ cannot depend on each other. 14 // These checks are here because core/ and public/ cannot depend on each other.
15 static_assert(IPDF_DataAvail::DataError == PDF_DATA_ERROR, 15 static_assert(CPDF_DataAvail::DataError == PDF_DATA_ERROR,
16 "IPDF_DataAvail::DataError value mismatch"); 16 "CPDF_DataAvail::DataError value mismatch");
17 static_assert(IPDF_DataAvail::DataNotAvailable == PDF_DATA_NOTAVAIL, 17 static_assert(CPDF_DataAvail::DataNotAvailable == PDF_DATA_NOTAVAIL,
18 "IPDF_DataAvail::DataNotAvailable value mismatch"); 18 "CPDF_DataAvail::DataNotAvailable value mismatch");
19 static_assert(IPDF_DataAvail::DataAvailable == PDF_DATA_AVAIL, 19 static_assert(CPDF_DataAvail::DataAvailable == PDF_DATA_AVAIL,
20 "IPDF_DataAvail::DataAvailable value mismatch"); 20 "CPDF_DataAvail::DataAvailable value mismatch");
21 21
22 static_assert(IPDF_DataAvail::LinearizationUnknown == PDF_LINEARIZATION_UNKNOWN, 22 static_assert(CPDF_DataAvail::LinearizationUnknown == PDF_LINEARIZATION_UNKNOWN,
23 "IPDF_DataAvail::LinearizationUnknown value mismatch"); 23 "CPDF_DataAvail::LinearizationUnknown value mismatch");
24 static_assert(IPDF_DataAvail::NotLinearized == PDF_NOT_LINEARIZED, 24 static_assert(CPDF_DataAvail::NotLinearized == PDF_NOT_LINEARIZED,
25 "IPDF_DataAvail::NotLinearized value mismatch"); 25 "CPDF_DataAvail::NotLinearized value mismatch");
26 static_assert(IPDF_DataAvail::Linearized == PDF_LINEARIZED, 26 static_assert(CPDF_DataAvail::Linearized == PDF_LINEARIZED,
27 "IPDF_DataAvail::Linearized value mismatch"); 27 "CPDF_DataAvail::Linearized value mismatch");
28 28
29 static_assert(IPDF_DataAvail::FormError == PDF_FORM_ERROR, 29 static_assert(CPDF_DataAvail::FormError == PDF_FORM_ERROR,
30 "IPDF_DataAvail::FormError value mismatch"); 30 "CPDF_DataAvail::FormError value mismatch");
31 static_assert(IPDF_DataAvail::FormNotAvailable == PDF_FORM_NOTAVAIL, 31 static_assert(CPDF_DataAvail::FormNotAvailable == PDF_FORM_NOTAVAIL,
32 "IPDF_DataAvail::FormNotAvailable value mismatch"); 32 "CPDF_DataAvail::FormNotAvailable value mismatch");
33 static_assert(IPDF_DataAvail::FormAvailable == PDF_FORM_AVAIL, 33 static_assert(CPDF_DataAvail::FormAvailable == PDF_FORM_AVAIL,
34 "IPDF_DataAvail::FormAvailable value mismatch"); 34 "CPDF_DataAvail::FormAvailable value mismatch");
35 static_assert(IPDF_DataAvail::FormNotExist == PDF_FORM_NOTEXIST, 35 static_assert(CPDF_DataAvail::FormNotExist == PDF_FORM_NOTEXIST,
36 "IPDF_DataAvail::FormNotExist value mismatch"); 36 "CPDF_DataAvail::FormNotExist value mismatch");
37 37
38 class CFPDF_FileAvailWrap : public IPDF_DataAvail::FileAvail { 38 namespace {
39
40 class CFPDF_FileAvailWrap : public CPDF_DataAvail::FileAvail {
39 public: 41 public:
40 CFPDF_FileAvailWrap() { m_pfileAvail = nullptr; } 42 CFPDF_FileAvailWrap() { m_pfileAvail = nullptr; }
41 ~CFPDF_FileAvailWrap() override {} 43 ~CFPDF_FileAvailWrap() override {}
42 44
43 void Set(FX_FILEAVAIL* pfileAvail) { m_pfileAvail = pfileAvail; } 45 void Set(FX_FILEAVAIL* pfileAvail) { m_pfileAvail = pfileAvail; }
44 46
45 // IPDF_DataAvail::FileAvail: 47 // CPDF_DataAvail::FileAvail:
46 FX_BOOL IsDataAvail(FX_FILESIZE offset, uint32_t size) override { 48 FX_BOOL IsDataAvail(FX_FILESIZE offset, uint32_t size) override {
47 return m_pfileAvail->IsDataAvail(m_pfileAvail, offset, size); 49 return m_pfileAvail->IsDataAvail(m_pfileAvail, offset, size);
48 } 50 }
49 51
50 private: 52 private:
51 FX_FILEAVAIL* m_pfileAvail; 53 FX_FILEAVAIL* m_pfileAvail;
52 }; 54 };
53 55
54 class CFPDF_FileAccessWrap : public IFX_FileRead { 56 class CFPDF_FileAccessWrap : public IFX_FileRead {
55 public: 57 public:
56 CFPDF_FileAccessWrap() { m_pFileAccess = nullptr; } 58 CFPDF_FileAccessWrap() { m_pFileAccess = nullptr; }
57 ~CFPDF_FileAccessWrap() override {} 59 ~CFPDF_FileAccessWrap() override {}
58 60
59 void Set(FPDF_FILEACCESS* pFile) { m_pFileAccess = pFile; } 61 void Set(FPDF_FILEACCESS* pFile) { m_pFileAccess = pFile; }
60 62
61 // IFX_FileRead 63 // IFX_FileRead
62 FX_FILESIZE GetSize() override { return m_pFileAccess->m_FileLen; } 64 FX_FILESIZE GetSize() override { return m_pFileAccess->m_FileLen; }
63 65
64 FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override { 66 FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override {
65 return m_pFileAccess->m_GetBlock(m_pFileAccess->m_Param, offset, 67 return m_pFileAccess->m_GetBlock(m_pFileAccess->m_Param, offset,
66 (uint8_t*)buffer, size); 68 (uint8_t*)buffer, size);
67 } 69 }
68 70
69 void Release() override {} 71 void Release() override {}
70 72
71 private: 73 private:
72 FPDF_FILEACCESS* m_pFileAccess; 74 FPDF_FILEACCESS* m_pFileAccess;
73 }; 75 };
74 76
75 class CFPDF_DownloadHintsWrap : public IPDF_DataAvail::DownloadHints { 77 class CFPDF_DownloadHintsWrap : public CPDF_DataAvail::DownloadHints {
76 public: 78 public:
77 explicit CFPDF_DownloadHintsWrap(FX_DOWNLOADHINTS* pDownloadHints) { 79 explicit CFPDF_DownloadHintsWrap(FX_DOWNLOADHINTS* pDownloadHints) {
78 m_pDownloadHints = pDownloadHints; 80 m_pDownloadHints = pDownloadHints;
79 } 81 }
80 ~CFPDF_DownloadHintsWrap() override {} 82 ~CFPDF_DownloadHintsWrap() override {}
81 83
82 public: 84 public:
83 // IFX_DownloadHints 85 // IFX_DownloadHints
84 void AddSegment(FX_FILESIZE offset, uint32_t size) override { 86 void AddSegment(FX_FILESIZE offset, uint32_t size) override {
85 m_pDownloadHints->AddSegment(m_pDownloadHints, offset, size); 87 m_pDownloadHints->AddSegment(m_pDownloadHints, offset, size);
86 } 88 }
87 89
88 private: 90 private:
89 FX_DOWNLOADHINTS* m_pDownloadHints; 91 FX_DOWNLOADHINTS* m_pDownloadHints;
90 }; 92 };
91 93
92 class CFPDF_DataAvail { 94 class CFPDF_DataAvail {
93 public: 95 public:
94 CFPDF_DataAvail() { m_pDataAvail = nullptr; } 96 CFPDF_DataAvail() {}
97 ~CFPDF_DataAvail() {}
95 98
96 ~CFPDF_DataAvail() { delete m_pDataAvail; } 99 std::unique_ptr<CPDF_DataAvail> m_pDataAvail;
97
98 IPDF_DataAvail* m_pDataAvail;
99 CFPDF_FileAvailWrap m_FileAvail; 100 CFPDF_FileAvailWrap m_FileAvail;
100 CFPDF_FileAccessWrap m_FileRead; 101 CFPDF_FileAccessWrap m_FileRead;
101 }; 102 };
102 103
104 CFPDF_DataAvail* CFPDFDataAvailFromFPDFAvail(FPDF_AVAIL avail) {
105 return static_cast<CFPDF_DataAvail*>(avail);
106 }
107
108 } // namespace
109
103 DLLEXPORT FPDF_AVAIL STDCALL FPDFAvail_Create(FX_FILEAVAIL* file_avail, 110 DLLEXPORT FPDF_AVAIL STDCALL FPDFAvail_Create(FX_FILEAVAIL* file_avail,
104 FPDF_FILEACCESS* file) { 111 FPDF_FILEACCESS* file) {
105 CFPDF_DataAvail* pAvail = new CFPDF_DataAvail; 112 CFPDF_DataAvail* pAvail = new CFPDF_DataAvail;
106 pAvail->m_FileAvail.Set(file_avail); 113 pAvail->m_FileAvail.Set(file_avail);
107 pAvail->m_FileRead.Set(file); 114 pAvail->m_FileRead.Set(file);
108 pAvail->m_pDataAvail = 115 pAvail->m_pDataAvail.reset(
109 IPDF_DataAvail::Create(&pAvail->m_FileAvail, &pAvail->m_FileRead); 116 new CPDF_DataAvail(&pAvail->m_FileAvail, &pAvail->m_FileRead, TRUE));
110 return pAvail; 117 return pAvail;
111 } 118 }
112 119
113 DLLEXPORT void STDCALL FPDFAvail_Destroy(FPDF_AVAIL avail) { 120 DLLEXPORT void STDCALL FPDFAvail_Destroy(FPDF_AVAIL avail) {
114 delete (CFPDF_DataAvail*)avail; 121 delete (CFPDF_DataAvail*)avail;
115 } 122 }
116 123
117 DLLEXPORT int STDCALL FPDFAvail_IsDocAvail(FPDF_AVAIL avail, 124 DLLEXPORT int STDCALL FPDFAvail_IsDocAvail(FPDF_AVAIL avail,
118 FX_DOWNLOADHINTS* hints) { 125 FX_DOWNLOADHINTS* hints) {
119 if (!avail || !hints) 126 if (!avail || !hints)
120 return PDF_DATA_ERROR; 127 return PDF_DATA_ERROR;
121 CFPDF_DownloadHintsWrap hints_wrap(hints); 128 CFPDF_DownloadHintsWrap hints_wrap(hints);
122 return ((CFPDF_DataAvail*)avail)->m_pDataAvail->IsDocAvail(&hints_wrap); 129 return CFPDFDataAvailFromFPDFAvail(avail)->m_pDataAvail->IsDocAvail(
130 &hints_wrap);
123 } 131 }
124 132
125 DLLEXPORT FPDF_DOCUMENT STDCALL 133 DLLEXPORT FPDF_DOCUMENT STDCALL
126 FPDFAvail_GetDocument(FPDF_AVAIL avail, FPDF_BYTESTRING password) { 134 FPDFAvail_GetDocument(FPDF_AVAIL avail, FPDF_BYTESTRING password) {
127 CFPDF_DataAvail* pDataAvail = static_cast<CFPDF_DataAvail*>(avail); 135 CFPDF_DataAvail* pDataAvail = static_cast<CFPDF_DataAvail*>(avail);
128 if (!pDataAvail) 136 if (!pDataAvail)
129 return nullptr; 137 return nullptr;
130 138
131 CPDF_Parser* pParser = new CPDF_Parser; 139 CPDF_Parser* pParser = new CPDF_Parser;
132 pParser->SetPassword(password); 140 pParser->SetPassword(password);
(...skipping 13 matching lines...) Expand all
146 CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(doc); 154 CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(doc);
147 return pDoc ? pDoc->GetParser()->GetFirstPageNo() : 0; 155 return pDoc ? pDoc->GetParser()->GetFirstPageNo() : 0;
148 } 156 }
149 157
150 DLLEXPORT int STDCALL FPDFAvail_IsPageAvail(FPDF_AVAIL avail, 158 DLLEXPORT int STDCALL FPDFAvail_IsPageAvail(FPDF_AVAIL avail,
151 int page_index, 159 int page_index,
152 FX_DOWNLOADHINTS* hints) { 160 FX_DOWNLOADHINTS* hints) {
153 if (!avail || !hints) 161 if (!avail || !hints)
154 return PDF_DATA_ERROR; 162 return PDF_DATA_ERROR;
155 CFPDF_DownloadHintsWrap hints_wrap(hints); 163 CFPDF_DownloadHintsWrap hints_wrap(hints);
156 return ((CFPDF_DataAvail*)avail) 164 return CFPDFDataAvailFromFPDFAvail(avail)->m_pDataAvail->IsPageAvail(
157 ->m_pDataAvail->IsPageAvail(page_index, &hints_wrap); 165 page_index, &hints_wrap);
158 } 166 }
159 167
160 DLLEXPORT int STDCALL FPDFAvail_IsFormAvail(FPDF_AVAIL avail, 168 DLLEXPORT int STDCALL FPDFAvail_IsFormAvail(FPDF_AVAIL avail,
161 FX_DOWNLOADHINTS* hints) { 169 FX_DOWNLOADHINTS* hints) {
162 if (!avail || !hints) 170 if (!avail || !hints)
163 return PDF_FORM_ERROR; 171 return PDF_FORM_ERROR;
164 CFPDF_DownloadHintsWrap hints_wrap(hints); 172 CFPDF_DownloadHintsWrap hints_wrap(hints);
165 return ((CFPDF_DataAvail*)avail)->m_pDataAvail->IsFormAvail(&hints_wrap); 173 return CFPDFDataAvailFromFPDFAvail(avail)->m_pDataAvail->IsFormAvail(
174 &hints_wrap);
166 } 175 }
167 176
168 DLLEXPORT int STDCALL FPDFAvail_IsLinearized(FPDF_AVAIL avail) { 177 DLLEXPORT int STDCALL FPDFAvail_IsLinearized(FPDF_AVAIL avail) {
169 if (!avail) 178 if (!avail)
170 return PDF_LINEARIZATION_UNKNOWN; 179 return PDF_LINEARIZATION_UNKNOWN;
171 return ((CFPDF_DataAvail*)avail)->m_pDataAvail->IsLinearizedPDF(); 180 return CFPDFDataAvailFromFPDFAvail(avail)->m_pDataAvail->IsLinearizedPDF();
172 } 181 }
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