Move CPDF_Document code into cpdf_document.cpp.

core/fpdfapi/fpdf_parser/include/cpdf_document.h

 // Copyright 2016 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_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_DOCUMENT_H_
 #define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_DOCUMENT_H_
 
+#include <memory>
+
 #include "core/fpdfapi/fpdf_parser/include/cpdf_indirect_object_holder.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_object.h"
 #include "core/fxcrt/include/fx_basic.h"
 
 class CFX_Font;
 class CFX_Matrix;
 class CPDF_ColorSpace;
 class CPDF_DocPageData;
 class CPDF_DocRenderData;
 class CPDF_Font;
 class CPDF_FontEncoding;
 class CPDF_IccProfile;
 class CPDF_Image;
 class CPDF_Pattern;
 class CPDF_StreamAcc;
 
 #define FPDFPERM_PRINT 0x0004
 #define FPDFPERM_MODIFY 0x0008
 #define FPDFPERM_EXTRACT 0x0010
 #define FPDFPERM_ANNOT_FORM 0x0020
 #define FPDFPERM_FILL_FORM 0x0100
 #define FPDFPERM_EXTRACT_ACCESS 0x0200
 #define FPDFPERM_ASSEMBLE 0x0400
 #define FPDFPERM_PRINT_HIGH 0x0800
 #define FPDF_PAGE_MAX_NUM 0xFFFFF
 
 class CPDF_Document : public CFX_PrivateData, public CPDF_IndirectObjectHolder {
  public:
-  CPDF_Document();
   explicit CPDF_Document(CPDF_Parser* pParser);
   ~CPDF_Document();
 
   CPDF_Parser* GetParser() const { return m_pParser; }
   CPDF_Dictionary* GetRoot() const { return m_pRootDict; }
   CPDF_Dictionary* GetInfo() const { return m_pInfoDict; }
 
   void GetID(CFX_ByteString& id1, CFX_ByteString& id2) const {
     id1 = m_ID1;
     id2 = m_ID2;
   }
 
   int GetPageCount() const;
   CPDF_Dictionary* GetPage(int iPage);
   int GetPageIndex(uint32_t objnum);
   uint32_t GetUserPermissions(FX_BOOL bCheckRevision = FALSE) const;
-  CPDF_DocPageData* GetPageData() { return GetValidatePageData(); }
+  CPDF_DocPageData* GetPageData() const { return m_pDocPage; }
   void ClearPageData();
   void RemoveColorSpaceFromPageData(CPDF_Object* pObject);
 
-  CPDF_DocRenderData* GetRenderData() { return GetValidateRenderData(); }
+  CPDF_DocRenderData* GetRenderData() const { return m_pDocRender.get(); }
   void ClearRenderData();
   void ClearRenderFont();
 
   FX_BOOL IsFormStream(uint32_t objnum, FX_BOOL& bForm) const;
 
   // |pFontDict| must not be null.
   CPDF_Font* LoadFont(CPDF_Dictionary* pFontDict);
   CPDF_ColorSpace* LoadColorSpace(CPDF_Object* pCSObj,
                                   CPDF_Dictionary* pResources = NULL);
 
   CPDF_Pattern* LoadPattern(CPDF_Object* pObj,
                             FX_BOOL bShading,
                             const CFX_Matrix* matrix = NULL);
 
   CPDF_Image* LoadImageF(CPDF_Object* pObj);
   CPDF_StreamAcc* LoadFontFile(CPDF_Stream* pStream);
   CPDF_IccProfile* LoadIccProfile(CPDF_Stream* pStream);
 
+  void LoadDoc();
+  void LoadAsynDoc(CPDF_Dictionary* pLinearized);
+  void LoadPages();
+
+  // Editing methods.
+  void CreateNewDoc();
+  CPDF_Dictionary* CreateNewPage(int iPage);
+  void DeletePage(int iPage);
+  CPDF_Font* AddStandardFont(const FX_CHAR* font, CPDF_FontEncoding* pEncoding);
+  CPDF_Font* AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert);
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-
   CPDF_Font* AddWindowsFont(LOGFONTA* pLogFont,
                             FX_BOOL bVert,
                             FX_BOOL bTranslateName = FALSE);
   CPDF_Font* AddWindowsFont(LOGFONTW* pLogFont,
                             FX_BOOL bVert,
                             FX_BOOL bTranslateName = FALSE);
 #endif
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
   CPDF_Font* AddMacFont(CTFontRef pFont,
                         FX_BOOL bVert,
                         FX_BOOL bTranslateName = FALSE);
 #endif
 
-  CPDF_Font* AddStandardFont(const FX_CHAR* font, CPDF_FontEncoding* pEncoding);
-  CPDF_Font* AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert);
-  void CreateNewDoc();
-
-  CPDF_Dictionary* CreateNewPage(int iPage);
-  void DeletePage(int iPage);
-
-  void LoadDoc();
-  void LoadAsynDoc(CPDF_Dictionary* pLinearized);
-  void LoadPages();
-
  protected:
-  // Retrieve page count information by getting count value from the tree nodes
-  // or walking through the tree nodes to calculate it.
-  int RetrievePageCount() const;
-  CPDF_Dictionary* _FindPDFPage(CPDF_Dictionary* pPages,
-                                int iPage,
-                                int nPagesToGo,
-                                int level);
-  int _FindPageIndex(CPDF_Dictionary* pNode,
-                     uint32_t& skip_count,
-                     uint32_t objnum,
-                     int& index,
-                     int level = 0);
-  FX_BOOL CheckOCGVisible(CPDF_Dictionary* pOCG, FX_BOOL bPrinting);
-  CPDF_DocPageData* GetValidatePageData();
-  CPDF_DocRenderData* GetValidateRenderData();
   friend class CPDF_Creator;
   friend class CPDF_Parser;
   friend class CPDF_DataAvail;
   friend class CPDF_OCContext;
 
+  // Retrieve page count information by getting count value from the tree nodes
+  // or walking through the tree nodes to calculate it.
+  int RetrievePageCount() const;
+  CPDF_Dictionary* FindPDFPage(CPDF_Dictionary* pPages,
+                               int iPage,
+                               int nPagesToGo,
+                               int level);
+  int FindPageIndex(CPDF_Dictionary* pNode,
+                    uint32_t& skip_count,
+                    uint32_t objnum,
+                    int& index,
+                    int level = 0);
+  FX_BOOL CheckOCGVisible(CPDF_Dictionary* pOCG, FX_BOOL bPrinting);
+
   CPDF_Dictionary* m_pRootDict;
   CPDF_Dictionary* m_pInfoDict;
   CFX_ByteString m_ID1;
   CFX_ByteString m_ID2;
-  FX_BOOL m_bLinearized;
-  uint32_t m_dwFirstPageNo;
+  bool m_bLinearized;
+  int m_iFirstPageNo;
   uint32_t m_dwFirstPageObjNum;
   CFX_ArrayTemplate<uint32_t> m_PageList;
+  // TODO(thestig): Figure out why this cannot be a std::unique_ptr.
   CPDF_DocPageData* m_pDocPage;
-  CPDF_DocRenderData* m_pDocRender;
+  std::unique_ptr<CPDF_DocRenderData> m_pDocRender;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_DOCUMENT_H_