Cleanup the tagged code

This CL removes the IPDF_Struct* classes in favour of their only implementation.
The tagged code was split out into files matching the classes they contain. The
friendship between CPDF_StructTree and CPDF_StructElement was broken in favour
of accessors.

Bug: pdfium:672
Change-Id: Iade83b608fb7168b3b0f41338d10d5fd8ab91a6e
Reviewed-on: https://pdfium-review.googlesource.com/3820
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 0 insertions, 119 deletions

diff --git a/core/fpdfdoc/tagged_int.h b/core/fpdfdoc/tagged_int.h
deleted file mode 100644
index cafcbd42aa..0000000000
--- a/core/fpdfdoc/tagged_int.h
+++ /dev/null
@@ -1,119 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef CORE_FPDFDOC_TAGGED_INT_H_
-#define CORE_FPDFDOC_TAGGED_INT_H_
-
-#include <map>
-#include <memory>
-#include <vector>
-
-#include "core/fpdfdoc/fpdf_tagged.h"
-#include "core/fxcrt/cfx_retain_ptr.h"
-#include "third_party/base/stl_util.h"
-
-class CPDF_StructElement;
-
-struct CPDF_StructKid {
-  CPDF_StructKid();
-  CPDF_StructKid(const CPDF_StructKid& that);
-  ~CPDF_StructKid();
-
-  enum { Invalid, Element, PageContent, StreamContent, Object } m_Type;
-
-  CFX_RetainPtr<CPDF_StructElement> m_pElement;  // For Element.
-  CPDF_Dictionary* m_pDict;                      // For Element.
-  uint32_t m_PageObjNum;  // For PageContent, StreamContent, Object.
-  uint32_t m_RefObjNum;   // For StreamContent, Object.
-  uint32_t m_ContentId;   // For PageContent, StreamContent.
-};
-
-class CPDF_StructTree final : public IPDF_StructTree {
- public:
-  explicit CPDF_StructTree(const CPDF_Document* pDoc);
-  ~CPDF_StructTree() override;
-
-  // IPDF_StructTree:
-  int CountTopElements() const override;
-  IPDF_StructElement* GetTopElement(int i) const override;
-
-  void LoadPageTree(const CPDF_Dictionary* pPageDict);
-  CFX_RetainPtr<CPDF_StructElement> AddPageNode(
-      CPDF_Dictionary* pElement,
-      std::map<CPDF_Dictionary*, CFX_RetainPtr<CPDF_StructElement>>* map,
-      int nLevel = 0);
-  bool AddTopLevelNode(CPDF_Dictionary* pDict,
-                       const CFX_RetainPtr<CPDF_StructElement>& pElement);
-
- protected:
-  const CPDF_Dictionary* const m_pTreeRoot;
-  const CPDF_Dictionary* const m_pRoleMap;
-  const CPDF_Dictionary* m_pPage;
-  std::vector<CFX_RetainPtr<CPDF_StructElement>> m_Kids;
-
-  friend class CPDF_StructElement;
-};
-
-class CPDF_StructElement final : public CFX_Retainable,
-                                 public IPDF_StructElement {
- public:
-  template <typename T, typename... Args>
-  friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args);
-
-  // IPDF_StructElement
-  IPDF_StructTree* GetTree() const override;
-  const CFX_ByteString& GetType() const override;
-  IPDF_StructElement* GetParent() const override;
-  CPDF_Dictionary* GetDict() const override;
-  int CountKids() const override;
-  IPDF_StructElement* GetKidIfElement(int index) const override;
-  CPDF_Object* GetAttr(const CFX_ByteStringC& owner,
-                       const CFX_ByteStringC& name,
-                       bool bInheritable = false,
-                       float fLevel = 0.0F) override;
-  CFX_ByteString GetName(const CFX_ByteStringC& owner,
-                         const CFX_ByteStringC& name,
-                         const CFX_ByteStringC& default_value,
-                         bool bInheritable = false,
-                         int subindex = -1) override;
-  FX_ARGB GetColor(const CFX_ByteStringC& owner,
-                   const CFX_ByteStringC& name,
-                   FX_ARGB default_value,
-                   bool bInheritable = false,
-                   int subindex = -1) override;
-  float GetNumber(const CFX_ByteStringC& owner,
-                  const CFX_ByteStringC& name,
-                  float default_value,
-                  bool bInheritable = false,
-                  int subindex = -1) override;
-  int GetInteger(const CFX_ByteStringC& owner,
-                 const CFX_ByteStringC& name,
-                 int default_value,
-                 bool bInheritable = false,
-                 int subindex = -1) override;
-
-  std::vector<CPDF_StructKid>* GetKids() { return &m_Kids; }
-  void LoadKids(CPDF_Dictionary* pDict);
-  void LoadKid(uint32_t PageObjNum, CPDF_Object* pObj, CPDF_StructKid* pKid);
-  CPDF_Object* GetAttr(const CFX_ByteStringC& owner,
-                       const CFX_ByteStringC& name,
-                       bool bInheritable,
-                       int subindex);
-
- private:
-  CPDF_StructElement(CPDF_StructTree* pTree,
-                     CPDF_StructElement* pParent,
-                     CPDF_Dictionary* pDict);
-  ~CPDF_StructElement() override;
-
-  CPDF_StructTree* const m_pTree;
-  CPDF_StructElement* const m_pParent;
-  CPDF_Dictionary* const m_pDict;
-  CFX_ByteString m_Type;
-  std::vector<CPDF_StructKid> m_Kids;
-};
-
-#endif  // CORE_FPDFDOC_TAGGED_INT_H_