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| 1 // Copyright 2016 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "public/fpdf_doc.h" | |
| 6 | |
| 7 #include <memory> | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "core/include/fpdfapi/cpdf_document.h" | |
| 11 #include "core/include/fpdfapi/cpdf_name.h" | |
| 12 #include "core/include/fpdfapi/cpdf_number.h" | |
| 13 #include "core/include/fpdfapi/cpdf_reference.h" | |
| 14 #include "core/include/fpdfapi/cpdf_string.h" | |
| 15 #include "core/include/fpdfapi/fpdf_module.h" | |
| 16 #include "core/include/fpdfdoc/fpdf_doc.h" | |
| 17 #include "testing/gtest/include/gtest/gtest.h" | |
| 18 #include "testing/test_support.h" | |
| 19 | |
| 20 #ifdef PDF_ENABLE_XFA | |
| 21 #include "fpdfsdk/include/fpdfxfa/fpdfxfa_app.h" | |
| 22 #include "fpdfsdk/include/fpdfxfa/fpdfxfa_doc.h" | |
| 23 #endif // PDF_ENABLE_XFA | |
| 24 | |
| 25 class CPDF_TestDocument : public CPDF_Document { | |
| 26 public: | |
| 27 void SetRoot(CPDF_Dictionary* root) { m_pRootDict = root; } | |
| 28 CPDF_IndirectObjectHolder* GetHolder() { return this; } | |
| 29 }; | |
| 30 | |
| 31 #ifdef PDF_ENABLE_XFA | |
| 32 class CPDF_TestXFADocument : public CPDFXFA_Document { | |
| 33 public: | |
| 34 CPDF_TestXFADocument() | |
| 35 : CPDFXFA_Document(new CPDF_TestDocument(), CPDFXFA_App::GetInstance()) {} | |
| 36 | |
| 37 void SetRoot(CPDF_Dictionary* root) { | |
| 38 reinterpret_cast<CPDF_TestDocument*>(GetPDFDoc())->SetRoot(root); | |
| 39 } | |
| 40 | |
| 41 CPDF_IndirectObjectHolder* GetHolder() { return GetPDFDoc(); } | |
| 42 }; | |
| 43 using CPDF_TestPdfDocument = CPDF_TestXFADocument; | |
| 44 #else // PDF_ENABLE_XFA | |
| 45 using CPDF_TestPdfDocument = CPDF_TestDocument; | |
| 46 #endif // PDF_ENABLE_XFA | |
| 47 | |
| 48 class PDFDocTest : public testing::Test { | |
| 49 public: | |
| 50 struct DictObjInfo { | |
| 51 FX_DWORD num; | |
| 52 CPDF_Dictionary* obj; | |
| 53 }; | |
| 54 | |
| 55 void SetUp() override { | |
| 56 // We don't need page module or render module, but | |
| 57 // initialize them to keep the code sane. | |
| 58 CPDF_ModuleMgr::Create(); | |
| 59 CPDF_ModuleMgr* module_mgr = CPDF_ModuleMgr::Get(); | |
| 60 module_mgr->InitPageModule(); | |
| 61 module_mgr->InitRenderModule(); | |
| 62 | |
| 63 m_pDoc.reset(new CPDF_TestPdfDocument()); | |
| 64 m_pIndirectObjs = m_pDoc->GetHolder(); | |
| 65 // Setup the root directory. | |
| 66 m_pRootObj.reset(new CPDF_Dictionary()); | |
| 67 m_pDoc->SetRoot(m_pRootObj.get()); | |
| 68 } | |
| 69 | |
| 70 std::vector<DictObjInfo> CreateDictObjs(int num) { | |
| 71 std::vector<DictObjInfo> info; | |
| 72 for (int i = 0; i < num; ++i) { | |
| 73 // Objects created will be released by the document. | |
| 74 CPDF_Dictionary* obj(new CPDF_Dictionary()); | |
| 75 m_pIndirectObjs->AddIndirectObject(obj); | |
| 76 info.push_back({obj->GetObjNum(), obj}); | |
| 77 } | |
| 78 return info; | |
| 79 } | |
| 80 | |
| 81 protected: | |
| 82 std::unique_ptr<CPDF_TestPdfDocument> m_pDoc; | |
| 83 CPDF_IndirectObjectHolder* m_pIndirectObjs; | |
| 84 std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> m_pRootObj; | |
| 85 }; | |
| 86 | |
| 87 TEST_F(PDFDocTest, FindBookmark) { | |
| 88 { | |
| 89 // No bookmark information. | |
| 90 std::unique_ptr<unsigned short, pdfium::FreeDeleter> title = | |
| 91 GetFPDFWideString(L""); | |
| 92 EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); | |
| 93 | |
| 94 title = GetFPDFWideString(L"Preface"); | |
| 95 EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); | |
| 96 } | |
| 97 { | |
| 98 // Empty bookmark tree. | |
| 99 m_pRootObj->SetAt("Outlines", new CPDF_Dictionary()); | |
| 100 std::unique_ptr<unsigned short, pdfium::FreeDeleter> title = | |
| 101 GetFPDFWideString(L""); | |
| 102 EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); | |
| 103 | |
| 104 title = GetFPDFWideString(L"Preface"); | |
| 105 EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); | |
| 106 } | |
| 107 { | |
| 108 // Check on a regular bookmark tree. | |
| 109 auto bookmarks = CreateDictObjs(3); | |
| 110 | |
| 111 bookmarks[1].obj->SetAt("Title", new CPDF_String(L"Chapter 1")); | |
| 112 bookmarks[1].obj->SetAt( | |
| 113 "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num)); | |
| 114 bookmarks[1].obj->SetAt( | |
| 115 "Next", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num)); | |
| 116 | |
| 117 bookmarks[2].obj->SetAt("Title", new CPDF_String(L"Chapter 2")); | |
| 118 bookmarks[2].obj->SetAt( | |
| 119 "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num)); | |
| 120 bookmarks[2].obj->SetAt( | |
| 121 "Prev", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num)); | |
| 122 | |
| 123 bookmarks[0].obj->SetAt("Type", new CPDF_Name("Outlines")); | |
| 124 bookmarks[0].obj->SetAt("Count", new CPDF_Number(2)); | |
| 125 bookmarks[0].obj->SetAt( | |
| 126 "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num)); | |
| 127 bookmarks[0].obj->SetAt( | |
| 128 "Last", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num)); | |
| 129 | |
| 130 m_pRootObj->SetAt("Outlines", | |
| 131 new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num)); | |
| 132 | |
| 133 // Title with no match. | |
| 134 std::unique_ptr<unsigned short, pdfium::FreeDeleter> title = | |
| 135 GetFPDFWideString(L"Chapter 3"); | |
| 136 EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); | |
| 137 | |
| 138 // Title with partial match only. | |
| 139 title = GetFPDFWideString(L"Chapter"); | |
| 140 EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); | |
| 141 | |
| 142 // Title with a match. | |
| 143 title = GetFPDFWideString(L"Chapter 2"); | |
| 144 EXPECT_EQ(bookmarks[2].obj, FPDFBookmark_Find(m_pDoc.get(), title.get())); | |
| 145 | |
| 146 // Title match is case insensitive. | |
| 147 title = GetFPDFWideString(L"cHaPter 2"); | |
| 148 EXPECT_EQ(bookmarks[2].obj, FPDFBookmark_Find(m_pDoc.get(), title.get())); | |
| 149 } | |
| 150 { | |
| 151 // Circular bookmarks in depth. | |
| 152 auto bookmarks = CreateDictObjs(3); | |
| 153 | |
| 154 bookmarks[1].obj->SetAt("Title", new CPDF_String(L"Chapter 1")); | |
| 155 bookmarks[1].obj->SetAt( | |
| 156 "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num)); | |
| 157 bookmarks[1].obj->SetAt( | |
| 158 "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num)); | |
| 159 | |
| 160 bookmarks[2].obj->SetAt("Title", new CPDF_String(L"Chapter 2")); | |
| 161 bookmarks[2].obj->SetAt( | |
| 162 "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num)); | |
| 163 bookmarks[2].obj->SetAt( | |
| 164 "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num)); | |
| 165 | |
| 166 bookmarks[0].obj->SetAt("Type", new CPDF_Name("Outlines")); | |
| 167 bookmarks[0].obj->SetAt("Count", new CPDF_Number(2)); | |
| 168 bookmarks[0].obj->SetAt( | |
| 169 "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num)); | |
| 170 bookmarks[0].obj->SetAt( | |
| 171 "Last", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num)); | |
| 172 | |
| 173 m_pRootObj->SetAt("Outlines", | |
| 174 new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num)); | |
| 175 | |
| 176 // Title with no match. | |
| 177 std::unique_ptr<unsigned short, pdfium::FreeDeleter> title = | |
| 178 GetFPDFWideString(L"Chapter 3"); | |
| 179 EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); | |
| 180 | |
| 181 // Title with a match. | |
| 182 title = GetFPDFWideString(L"Chapter 2"); | |
| 183 EXPECT_EQ(bookmarks[2].obj, FPDFBookmark_Find(m_pDoc.get(), title.get())); | |
| 184 } | |
| 185 { | |
| 186 // Circular bookmarks in breadth. | |
| 187 auto bookmarks = CreateDictObjs(4); | |
| 188 | |
| 189 bookmarks[1].obj->SetAt("Title", new CPDF_String(L"Chapter 1")); | |
| 190 bookmarks[1].obj->SetAt( | |
| 191 "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num)); | |
| 192 bookmarks[1].obj->SetAt( | |
| 193 "Next", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num)); | |
| 194 | |
| 195 bookmarks[2].obj->SetAt("Title", new CPDF_String(L"Chapter 2")); | |
| 196 bookmarks[2].obj->SetAt( | |
| 197 "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num)); | |
| 198 bookmarks[2].obj->SetAt( | |
| 199 "Next", new CPDF_Reference(m_pIndirectObjs, bookmarks[3].num)); | |
| 200 | |
| 201 bookmarks[3].obj->SetAt("Title", new CPDF_String(L"Chapter 3")); | |
| 202 bookmarks[3].obj->SetAt( | |
| 203 "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num)); | |
| 204 bookmarks[3].obj->SetAt( | |
| 205 "Next", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num)); | |
| 206 | |
| 207 bookmarks[0].obj->SetAt("Type", new CPDF_Name("Outlines")); | |
| 208 bookmarks[0].obj->SetAt("Count", new CPDF_Number(2)); | |
| 209 bookmarks[0].obj->SetAt( | |
| 210 "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num)); | |
| 211 bookmarks[0].obj->SetAt( | |
| 212 "Last", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num)); | |
| 213 | |
| 214 m_pRootObj->SetAt("Outlines", | |
| 215 new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num)); | |
| 216 | |
| 217 // Title with no match. | |
| 218 std::unique_ptr<unsigned short, pdfium::FreeDeleter> title = | |
| 219 GetFPDFWideString(L"Chapter 8"); | |
| 220 EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); | |
| 221 | |
| 222 // Title with a match. | |
| 223 title = GetFPDFWideString(L"Chapter 3"); | |
| 224 EXPECT_EQ(bookmarks[3].obj, FPDFBookmark_Find(m_pDoc.get(), title.get())); | |
| 225 } | |
| 226 } | |
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