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258 lines
10 KiB
258 lines
10 KiB
// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "public/fpdf_doc.h"
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#include <memory>
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#include <vector>
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#include "core/fpdfapi/page/cpdf_docpagedata.h"
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#include "core/fpdfapi/page/cpdf_pagemodule.h"
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#include "core/fpdfapi/parser/cpdf_array.h"
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#include "core/fpdfapi/parser/cpdf_dictionary.h"
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#include "core/fpdfapi/parser/cpdf_document.h"
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#include "core/fpdfapi/parser/cpdf_name.h"
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#include "core/fpdfapi/parser/cpdf_null.h"
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#include "core/fpdfapi/parser/cpdf_number.h"
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#include "core/fpdfapi/parser/cpdf_parser.h"
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#include "core/fpdfapi/parser/cpdf_reference.h"
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#include "core/fpdfapi/parser/cpdf_string.h"
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#include "core/fpdfapi/render/cpdf_docrenderdata.h"
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#include "core/fpdfdoc/cpdf_dest.h"
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#include "fpdfsdk/cpdfsdk_helpers.h"
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#include "public/cpp/fpdf_scopers.h"
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#include "testing/fx_string_testhelpers.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "third_party/base/ptr_util.h"
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class CPDF_TestDocument final : public CPDF_Document {
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public:
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CPDF_TestDocument()
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: CPDF_Document(pdfium::MakeUnique<CPDF_DocRenderData>(),
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pdfium::MakeUnique<CPDF_DocPageData>()) {}
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void SetRoot(CPDF_Dictionary* root) { m_pRootDict.Reset(root); }
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CPDF_IndirectObjectHolder* GetHolder() { return this; }
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};
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class PDFDocTest : public testing::Test {
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public:
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struct DictObjInfo {
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uint32_t num;
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CPDF_Dictionary* obj;
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};
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void SetUp() override {
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CPDF_PageModule::Create();
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auto pTestDoc = pdfium::MakeUnique<CPDF_TestDocument>();
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m_pIndirectObjs = pTestDoc->GetHolder();
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m_pRootObj.Reset(m_pIndirectObjs->NewIndirect<CPDF_Dictionary>());
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pTestDoc->SetRoot(m_pRootObj.Get());
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m_pDoc.reset(FPDFDocumentFromCPDFDocument(pTestDoc.release()));
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}
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void TearDown() override {
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m_pRootObj = nullptr;
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m_pIndirectObjs = nullptr;
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m_pDoc.reset();
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CPDF_PageModule::Destroy();
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}
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std::vector<DictObjInfo> CreateDictObjs(int num) {
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std::vector<DictObjInfo> info;
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for (int i = 0; i < num; ++i) {
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// Objects created will be released by the document.
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CPDF_Dictionary* obj = m_pIndirectObjs->NewIndirect<CPDF_Dictionary>();
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info.push_back({obj->GetObjNum(), obj});
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}
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return info;
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}
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protected:
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ScopedFPDFDocument m_pDoc;
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UnownedPtr<CPDF_IndirectObjectHolder> m_pIndirectObjs;
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RetainPtr<CPDF_Dictionary> m_pRootObj;
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};
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TEST_F(PDFDocTest, FindBookmark) {
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{
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// No bookmark information.
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ScopedFPDFWideString title = GetFPDFWideString(L"");
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EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get()));
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title = GetFPDFWideString(L"Preface");
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EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get()));
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}
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{
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// Empty bookmark tree.
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m_pRootObj->SetNewFor<CPDF_Dictionary>("Outlines");
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ScopedFPDFWideString title = GetFPDFWideString(L"");
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EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get()));
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title = GetFPDFWideString(L"Preface");
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EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get()));
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}
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{
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// Check on a regular bookmark tree.
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auto bookmarks = CreateDictObjs(3);
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bookmarks[1].obj->SetNewFor<CPDF_String>("Title", L"Chapter 1");
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bookmarks[1].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(),
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bookmarks[0].num);
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bookmarks[1].obj->SetNewFor<CPDF_Reference>("Next", m_pIndirectObjs.Get(),
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bookmarks[2].num);
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bookmarks[2].obj->SetNewFor<CPDF_String>("Title", L"Chapter 2");
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bookmarks[2].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(),
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bookmarks[0].num);
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bookmarks[2].obj->SetNewFor<CPDF_Reference>("Prev", m_pIndirectObjs.Get(),
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bookmarks[1].num);
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bookmarks[0].obj->SetNewFor<CPDF_Name>("Type", "Outlines");
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bookmarks[0].obj->SetNewFor<CPDF_Number>("Count", 2);
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bookmarks[0].obj->SetNewFor<CPDF_Reference>("First", m_pIndirectObjs.Get(),
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bookmarks[1].num);
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bookmarks[0].obj->SetNewFor<CPDF_Reference>("Last", m_pIndirectObjs.Get(),
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bookmarks[2].num);
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m_pRootObj->SetNewFor<CPDF_Reference>("Outlines", m_pIndirectObjs.Get(),
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bookmarks[0].num);
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// Title with no match.
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ScopedFPDFWideString title = GetFPDFWideString(L"Chapter 3");
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EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get()));
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// Title with partial match only.
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title = GetFPDFWideString(L"Chapter");
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EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get()));
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// Title with a match.
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title = GetFPDFWideString(L"Chapter 2");
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EXPECT_EQ(FPDFBookmarkFromCPDFDictionary(bookmarks[2].obj),
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FPDFBookmark_Find(m_pDoc.get(), title.get()));
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// Title match is case insensitive.
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title = GetFPDFWideString(L"cHaPter 2");
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EXPECT_EQ(FPDFBookmarkFromCPDFDictionary(bookmarks[2].obj),
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FPDFBookmark_Find(m_pDoc.get(), title.get()));
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}
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{
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// Circular bookmarks in depth.
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auto bookmarks = CreateDictObjs(3);
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bookmarks[1].obj->SetNewFor<CPDF_String>("Title", L"Chapter 1");
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bookmarks[1].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(),
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bookmarks[0].num);
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bookmarks[1].obj->SetNewFor<CPDF_Reference>("First", m_pIndirectObjs.Get(),
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bookmarks[2].num);
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bookmarks[2].obj->SetNewFor<CPDF_String>("Title", L"Chapter 2");
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bookmarks[2].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(),
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bookmarks[1].num);
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bookmarks[2].obj->SetNewFor<CPDF_Reference>("First", m_pIndirectObjs.Get(),
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bookmarks[1].num);
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bookmarks[0].obj->SetNewFor<CPDF_Name>("Type", "Outlines");
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bookmarks[0].obj->SetNewFor<CPDF_Number>("Count", 2);
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bookmarks[0].obj->SetNewFor<CPDF_Reference>("First", m_pIndirectObjs.Get(),
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bookmarks[1].num);
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bookmarks[0].obj->SetNewFor<CPDF_Reference>("Last", m_pIndirectObjs.Get(),
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bookmarks[2].num);
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m_pRootObj->SetNewFor<CPDF_Reference>("Outlines", m_pIndirectObjs.Get(),
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bookmarks[0].num);
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// Title with no match.
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ScopedFPDFWideString title = GetFPDFWideString(L"Chapter 3");
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EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get()));
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// Title with a match.
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title = GetFPDFWideString(L"Chapter 2");
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EXPECT_EQ(FPDFBookmarkFromCPDFDictionary(bookmarks[2].obj),
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FPDFBookmark_Find(m_pDoc.get(), title.get()));
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}
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{
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// Circular bookmarks in breadth.
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auto bookmarks = CreateDictObjs(4);
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bookmarks[1].obj->SetNewFor<CPDF_String>("Title", L"Chapter 1");
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bookmarks[1].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(),
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bookmarks[0].num);
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bookmarks[1].obj->SetNewFor<CPDF_Reference>("Next", m_pIndirectObjs.Get(),
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bookmarks[2].num);
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bookmarks[2].obj->SetNewFor<CPDF_String>("Title", L"Chapter 2");
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bookmarks[2].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(),
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bookmarks[0].num);
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bookmarks[2].obj->SetNewFor<CPDF_Reference>("Next", m_pIndirectObjs.Get(),
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bookmarks[3].num);
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bookmarks[3].obj->SetNewFor<CPDF_String>("Title", L"Chapter 3");
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bookmarks[3].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(),
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bookmarks[0].num);
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bookmarks[3].obj->SetNewFor<CPDF_Reference>("Next", m_pIndirectObjs.Get(),
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bookmarks[1].num);
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bookmarks[0].obj->SetNewFor<CPDF_Name>("Type", "Outlines");
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bookmarks[0].obj->SetNewFor<CPDF_Number>("Count", 2);
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bookmarks[0].obj->SetNewFor<CPDF_Reference>("First", m_pIndirectObjs.Get(),
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bookmarks[1].num);
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bookmarks[0].obj->SetNewFor<CPDF_Reference>("Last", m_pIndirectObjs.Get(),
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bookmarks[2].num);
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m_pRootObj->SetNewFor<CPDF_Reference>("Outlines", m_pIndirectObjs.Get(),
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bookmarks[0].num);
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// Title with no match.
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ScopedFPDFWideString title = GetFPDFWideString(L"Chapter 8");
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EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get()));
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// Title with a match.
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title = GetFPDFWideString(L"Chapter 3");
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EXPECT_EQ(FPDFBookmarkFromCPDFDictionary(bookmarks[3].obj),
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FPDFBookmark_Find(m_pDoc.get(), title.get()));
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}
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}
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TEST_F(PDFDocTest, GetLocationInPage) {
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auto array = pdfium::MakeRetain<CPDF_Array>();
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array->AddNew<CPDF_Number>(0); // Page Index.
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array->AddNew<CPDF_Name>("XYZ");
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array->AddNew<CPDF_Number>(4); // X
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array->AddNew<CPDF_Number>(5); // Y
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array->AddNew<CPDF_Number>(6); // Zoom.
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FPDF_BOOL hasX;
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FPDF_BOOL hasY;
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FPDF_BOOL hasZoom;
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FS_FLOAT x;
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FS_FLOAT y;
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FS_FLOAT zoom;
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EXPECT_TRUE(FPDFDest_GetLocationInPage(FPDFDestFromCPDFArray(array.Get()),
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&hasX, &hasY, &hasZoom, &x, &y,
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&zoom));
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EXPECT_TRUE(hasX);
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EXPECT_TRUE(hasY);
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EXPECT_TRUE(hasZoom);
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EXPECT_EQ(4, x);
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EXPECT_EQ(5, y);
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EXPECT_EQ(6, zoom);
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array->SetNewAt<CPDF_Null>(2);
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array->SetNewAt<CPDF_Null>(3);
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array->SetNewAt<CPDF_Null>(4);
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EXPECT_TRUE(FPDFDest_GetLocationInPage(FPDFDestFromCPDFArray(array.Get()),
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&hasX, &hasY, &hasZoom, &x, &y,
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&zoom));
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EXPECT_FALSE(hasX);
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EXPECT_FALSE(hasY);
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EXPECT_FALSE(hasZoom);
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array = pdfium::MakeRetain<CPDF_Array>();
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EXPECT_FALSE(FPDFDest_GetLocationInPage(FPDFDestFromCPDFArray(array.Get()),
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&hasX, &hasY, &hasZoom, &x, &y,
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&zoom));
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}
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