Split off CPDF_Document into its own .cpp/.h files.

core/include/fpdfapi/cpdf_document.h

Index: core/include/fpdfapi/cpdf_document.h
diff --git a/core/include/fpdfapi/cpdf_document.h b/core/include/fpdfapi/cpdf_document.h
new file mode 100644
index 0000000000000000000000000000000000000000..bba89c822cb8401cedec805fbe913547435fd905
--- /dev/null
+++ b/core/include/fpdfapi/cpdf_document.h
@@ -0,0 +1,124 @@
+// 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_INCLUDE_FPDFAPI_CPDF_DOCUMENT_H_
+#define CORE_INCLUDE_FPDFAPI_CPDF_DOCUMENT_H_
+
+#include "core/include/fpdfapi/fpdf_objects.h"
+#include "core/include/fxcrt/fx_basic.h"
+
+class CFX_Font;
+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_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(FX_DWORD objnum);
+  FX_DWORD GetUserPermissions(FX_BOOL bCheckRevision = FALSE) const;
+  CPDF_DocPageData* GetPageData() { return GetValidatePageData(); }
+  void ClearPageData();
+  void RemoveColorSpaceFromPageData(CPDF_Object* pObject);
+
+  CPDF_DocRenderData* GetRenderData() { return GetValidateRenderData(); }
+  void ClearRenderData();
+  void ClearRenderFont();
+
+  FX_BOOL IsFormStream(FX_DWORD 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);
+
+#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,
+                     FX_DWORD& skip_count,
+                     FX_DWORD 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;
+
+  CPDF_Dictionary* m_pRootDict;
+  CPDF_Dictionary* m_pInfoDict;
+  CFX_ByteString m_ID1;
+  CFX_ByteString m_ID2;
+  FX_BOOL m_bLinearized;
+  FX_DWORD m_dwFirstPageNo;
+  FX_DWORD m_dwFirstPageObjNum;
+  CFX_DWordArray m_PageList;
+  CPDF_DocPageData* m_pDocPage;
+  CPDF_DocRenderData* m_pDocRender;
+};
+
+#endif  // CORE_INCLUDE_FPDFAPI_CPDF_DOCUMENT_H_