pdfium

https://github.com/SubtleCow/AccessControlListsintheDOM/tree/4673d995e5614bc682cecd22f9b2919b23602735/src/pdf/pdfium

class CPDF_TestDocumentForPages : public CPDF_Document {
 public:
  CPDF_TestDocumentForPages() : CPDF_Document(nullptr) {
    // Set up test
    auto zeroToTwo = pdfium::MakeUnique<CPDF_Array>();
    zeroToTwo->AddNew<CPDF_Reference>(
        this, AddIndirectObject(CreateNumberedPage(0))->GetObjNum());
    zeroToTwo->AddNew<CPDF_Reference>(
        this, AddIndirectObject(CreateNumberedPage(1))->GetObjNum());
    zeroToTwo->AddNew<CPDF_Reference>(
        this, AddIndirectObject(CreateNumberedPage(2))->GetObjNum());
    CPDF_Dictionary* branch1 =
        CreatePageTreeNode(std::move(zeroToTwo), this, 3);

    auto zeroToThree = pdfium::MakeUnique<CPDF_Array>();
    zeroToThree->AddNew<CPDF_Reference>(this, branch1->GetObjNum());
    zeroToThree->AddNew<CPDF_Reference>(
        this, AddIndirectObject(CreateNumberedPage(3))->GetObjNum());
    CPDF_Dictionary* branch2 =
        CreatePageTreeNode(std::move(zeroToThree), this, 4);

    auto fourFive = pdfium::MakeUnique<CPDF_Array>();
    fourFive->AddNew<CPDF_Reference>(
        this, AddIndirectObject(CreateNumberedPage(4))->GetObjNum());
    fourFive->AddNew<CPDF_Reference>(
        this, AddIndirectObject(CreateNumberedPage(5))->GetObjNum());
    CPDF_Dictionary* branch3 = CreatePageTreeNode(std::move(fourFive), this, 2);

    auto justSix = pdfium::MakeUnique<CPDF_Array>();
    justSix->AddNew<CPDF_Reference>(
        this, AddIndirectObject(CreateNumberedPage(6))->GetObjNum());
    CPDF_Dictionary* branch4 = CreatePageTreeNode(std::move(justSix), this, 1);

    auto allPages = pdfium::MakeUnique<CPDF_Array>();
    allPages->AddNew<CPDF_Reference>(this, branch2->GetObjNum());
    allPages->AddNew<CPDF_Reference>(this, branch3->GetObjNum());
    allPages->AddNew<CPDF_Reference>(this, branch4->GetObjNum());
    CPDF_Dictionary* pagesDict =
        CreatePageTreeNode(std::move(allPages), this, 7);

    m_pOwnedRootDict = pdfium::MakeUnique<CPDF_Dictionary>();
    m_pOwnedRootDict->SetNewFor<CPDF_Reference>("Pages", this,
                                                pagesDict->GetObjNum());
    m_pRootDict = m_pOwnedRootDict.get();
    m_PageList.resize(7);
  }

 private:
  std::unique_ptr<CPDF_Dictionary> m_pOwnedRootDict;
};

　　继承自 

CPDF_Document  内容

<CPDF_Dictionary