Move core/fpdfapi/fpdf_page to core/fpdfapi/page

BUG=pdfium:603

Review-Url: https://codereview.chromium.org/2386423004

1 files changed, 566 insertions, 0 deletions

diff --git a/core/fpdfapi/page/pageint.h b/core/fpdfapi/page/pageint.h
new file mode 100644
index 0000000000..2d3927d13d
--- /dev/null
+++ b/core/fpdfapi/page/pageint.h
@@ -0,0 +1,566 @@
+// 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_FPDFAPI_PAGE_PAGEINT_H_
+#define CORE_FPDFAPI_PAGE_PAGEINT_H_
+
+#include <map>
+#include <memory>
+#include <set>
+#include <unordered_map>
+#include <vector>
+
+#include "core/fpdfapi/page/cpdf_contentmark.h"
+#include "core/fpdfapi/page/cpdf_countedobject.h"
+#include "core/fpdfapi/page/cpdf_pageobjectholder.h"
+#include "core/fxcrt/cfx_string_pool_template.h"
+#include "core/fxcrt/cfx_weak_ptr.h"
+#include "core/fxge/cfx_pathdata.h"
+#include "core/fxge/cfx_renderdevice.h"
+
+class CPDF_AllStates;
+class CPDF_ColorSpace;
+class CPDF_ExpIntFunc;
+class CPDF_Font;
+class CPDF_FontEncoding;
+class CPDF_Form;
+class CPDF_IccProfile;
+class CPDF_Image;
+class CPDF_ImageObject;
+class CPDF_Page;
+class CPDF_Pattern;
+class CPDF_SampledFunc;
+class CPDF_StitchFunc;
+class CPDF_StreamAcc;
+class CPDF_TextObject;
+class CPDF_Type3Char;
+
+#define PARSE_STEP_LIMIT 100
+
+class CPDF_StreamParser {
+ public:
+  enum SyntaxType { EndOfData, Number, Keyword, Name, Others };
+
+  CPDF_StreamParser(const uint8_t* pData, uint32_t dwSize);
+  CPDF_StreamParser(const uint8_t* pData,
+                    uint32_t dwSize,
+                    const CFX_WeakPtr<CFX_ByteStringPool>& pPool);
+  ~CPDF_StreamParser();
+
+  CPDF_Stream* ReadInlineStream(CPDF_Document* pDoc,
+                                CPDF_Dictionary* pDict,
+                                CPDF_Object* pCSObj);
+  SyntaxType ParseNextElement();
+  uint8_t* GetWordBuf() { return m_WordBuffer; }
+  uint32_t GetWordSize() const { return m_WordSize; }
+  CPDF_Object* GetObject() {
+    CPDF_Object* pObj = m_pLastObj;
+    m_pLastObj = nullptr;
+    return pObj;
+  }
+  uint32_t GetPos() const { return m_Pos; }
+  void SetPos(uint32_t pos) { m_Pos = pos; }
+  CPDF_Object* ReadNextObject(bool bAllowNestedArray, uint32_t dwInArrayLevel);
+
+ protected:
+  friend class fpdf_page_parser_old_ReadHexString_Test;
+
+  void GetNextWord(FX_BOOL& bIsNumber);
+  CFX_ByteString ReadString();
+  CFX_ByteString ReadHexString();
+
+  const uint8_t* m_pBuf;
+  uint32_t m_Size;  // Length in bytes of m_pBuf.
+  uint32_t m_Pos;   // Current byte position within m_pBuf.
+  uint8_t m_WordBuffer[256];
+  uint32_t m_WordSize;
+  CPDF_Object* m_pLastObj;
+  CFX_WeakPtr<CFX_ByteStringPool> m_pPool;
+
+ private:
+  bool PositionIsInBounds() const;
+};
+
+#define PARAM_BUF_SIZE 16
+struct ContentParam {
+  enum Type { OBJECT = 0, NUMBER, NAME };
+  Type m_Type;
+  union {
+    struct {
+      bool m_bInteger;
+      union {
+        int m_Integer;
+        FX_FLOAT m_Float;
+      };
+    } m_Number;
+    CPDF_Object* m_pObject;
+    struct {
+      int m_Len;
+      char m_Buffer[32];
+    } m_Name;
+  };
+};
+#define _FPDF_MAX_FORM_LEVEL_ 30
+#define _FPDF_MAX_TYPE3_FORM_LEVEL_ 4
+class CPDF_StreamContentParser {
+ public:
+  CPDF_StreamContentParser(CPDF_Document* pDoc,
+                           CPDF_Dictionary* pPageResources,
+                           CPDF_Dictionary* pParentResources,
+                           const CFX_Matrix* pmtContentToUser,
+                           CPDF_PageObjectHolder* pObjectHolder,
+                           CPDF_Dictionary* pResources,
+                           CFX_FloatRect* pBBox,
+                           CPDF_AllStates* pAllStates,
+                           int level);
+  ~CPDF_StreamContentParser();
+
+  CPDF_PageObjectHolder* GetPageObjectHolder() const { return m_pObjectHolder; }
+  CPDF_AllStates* GetCurStates() const { return m_pCurStates.get(); }
+  FX_BOOL IsColored() const { return m_bColored; }
+  const FX_FLOAT* GetType3Data() const { return m_Type3Data; }
+
+  void AddNumberParam(const FX_CHAR* str, int len);
+  void AddObjectParam(CPDF_Object* pObj);
+  void AddNameParam(const FX_CHAR* name, int size);
+  int GetNextParamPos();
+  void ClearAllParams();
+  CPDF_Object* GetObject(uint32_t index);
+  CFX_ByteString GetString(uint32_t index);
+  FX_FLOAT GetNumber(uint32_t index);
+  int GetInteger(uint32_t index) { return (int32_t)(GetNumber(index)); }
+  void OnOperator(const FX_CHAR* op);
+  void BigCaseCaller(int index);
+  uint32_t GetParsePos() { return m_pSyntax->GetPos(); }
+  void AddTextObject(CFX_ByteString* pText,
+                     FX_FLOAT fInitKerning,
+                     FX_FLOAT* pKerning,
+                     int count);
+
+  void ConvertUserSpace(FX_FLOAT& x, FX_FLOAT& y);
+  void ConvertTextSpace(FX_FLOAT& x, FX_FLOAT& y);
+  void OnChangeTextMatrix();
+  uint32_t Parse(const uint8_t* pData, uint32_t dwSize, uint32_t max_cost);
+  void ParsePathObject();
+  void AddPathPoint(FX_FLOAT x, FX_FLOAT y, int flag);
+  void AddPathRect(FX_FLOAT x, FX_FLOAT y, FX_FLOAT w, FX_FLOAT h);
+  void AddPathObject(int FillType, FX_BOOL bStroke);
+  CPDF_ImageObject* AddImage(CPDF_Stream* pStream,
+                             CPDF_Image* pImage,
+                             bool bInline);
+  void AddDuplicateImage();
+  void AddForm(CPDF_Stream* pStream);
+  void SetGraphicStates(CPDF_PageObject* pObj,
+                        FX_BOOL bColor,
+                        FX_BOOL bText,
+                        FX_BOOL bGraph);
+  void SaveStates(CPDF_AllStates* pState);
+  void RestoreStates(CPDF_AllStates* pState);
+  CPDF_Font* FindFont(const CFX_ByteString& name);
+  CPDF_ColorSpace* FindColorSpace(const CFX_ByteString& name);
+  CPDF_Pattern* FindPattern(const CFX_ByteString& name, bool bShading);
+  CPDF_Object* FindResourceObj(const CFX_ByteString& type,
+                               const CFX_ByteString& name);
+
+ protected:
+  using OpCodes =
+      std::unordered_map<uint32_t, void (CPDF_StreamContentParser::*)()>;
+  static OpCodes InitializeOpCodes();
+
+  void Handle_CloseFillStrokePath();
+  void Handle_FillStrokePath();
+  void Handle_CloseEOFillStrokePath();
+  void Handle_EOFillStrokePath();
+  void Handle_BeginMarkedContent_Dictionary();
+  void Handle_BeginImage();
+  void Handle_BeginMarkedContent();
+  void Handle_BeginText();
+  void Handle_CurveTo_123();
+  void Handle_ConcatMatrix();
+  void Handle_SetColorSpace_Fill();
+  void Handle_SetColorSpace_Stroke();
+  void Handle_SetDash();
+  void Handle_SetCharWidth();
+  void Handle_SetCachedDevice();
+  void Handle_ExecuteXObject();
+  void Handle_MarkPlace_Dictionary();
+  void Handle_EndImage();
+  void Handle_EndMarkedContent();
+  void Handle_EndText();
+  void Handle_FillPath();
+  void Handle_FillPathOld();
+  void Handle_EOFillPath();
+  void Handle_SetGray_Fill();
+  void Handle_SetGray_Stroke();
+  void Handle_SetExtendGraphState();
+  void Handle_ClosePath();
+  void Handle_SetFlat();
+  void Handle_BeginImageData();
+  void Handle_SetLineJoin();
+  void Handle_SetLineCap();
+  void Handle_SetCMYKColor_Fill();
+  void Handle_SetCMYKColor_Stroke();
+  void Handle_LineTo();
+  void Handle_MoveTo();
+  void Handle_SetMiterLimit();
+  void Handle_MarkPlace();
+  void Handle_EndPath();
+  void Handle_SaveGraphState();
+  void Handle_RestoreGraphState();
+  void Handle_Rectangle();
+  void Handle_SetRGBColor_Fill();
+  void Handle_SetRGBColor_Stroke();
+  void Handle_SetRenderIntent();
+  void Handle_CloseStrokePath();
+  void Handle_StrokePath();
+  void Handle_SetColor_Fill();
+  void Handle_SetColor_Stroke();
+  void Handle_SetColorPS_Fill();
+  void Handle_SetColorPS_Stroke();
+  void Handle_ShadeFill();
+  void Handle_SetCharSpace();
+  void Handle_MoveTextPoint();
+  void Handle_MoveTextPoint_SetLeading();
+  void Handle_SetFont();
+  void Handle_ShowText();
+  void Handle_ShowText_Positioning();
+  void Handle_SetTextLeading();
+  void Handle_SetTextMatrix();
+  void Handle_SetTextRenderMode();
+  void Handle_SetTextRise();
+  void Handle_SetWordSpace();
+  void Handle_SetHorzScale();
+  void Handle_MoveToNextLine();
+  void Handle_CurveTo_23();
+  void Handle_SetLineWidth();
+  void Handle_Clip();
+  void Handle_EOClip();
+  void Handle_CurveTo_13();
+  void Handle_NextLineShowText();
+  void Handle_NextLineShowText_Space();
+  void Handle_Invalid();
+
+  CPDF_Document* const m_pDocument;
+  CPDF_Dictionary* m_pPageResources;
+  CPDF_Dictionary* m_pParentResources;
+  CPDF_Dictionary* m_pResources;
+  CPDF_PageObjectHolder* m_pObjectHolder;
+  int m_Level;
+  CFX_Matrix m_mtContentToUser;
+  CFX_FloatRect m_BBox;
+  ContentParam m_ParamBuf[PARAM_BUF_SIZE];
+  uint32_t m_ParamStartPos;
+  uint32_t m_ParamCount;
+  CPDF_StreamParser* m_pSyntax;
+  std::unique_ptr<CPDF_AllStates> m_pCurStates;
+  CPDF_ContentMark m_CurContentMark;
+  std::vector<std::unique_ptr<CPDF_TextObject>> m_ClipTextList;
+  CPDF_TextObject* m_pLastTextObject;
+  FX_FLOAT m_DefFontSize;
+  FX_PATHPOINT* m_pPathPoints;
+  int m_PathPointCount;
+  int m_PathAllocSize;
+  FX_FLOAT m_PathStartX;
+  FX_FLOAT m_PathStartY;
+  FX_FLOAT m_PathCurrentX;
+  FX_FLOAT m_PathCurrentY;
+  uint8_t m_PathClipType;
+  CFX_ByteString m_LastImageName;
+  CPDF_Image* m_pLastImage;
+  CFX_BinaryBuf m_LastImageDict;
+  CFX_BinaryBuf m_LastImageData;
+  CPDF_Dictionary* m_pLastImageDict;
+  CPDF_Dictionary* m_pLastCloneImageDict;
+  FX_BOOL m_bReleaseLastDict;
+  FX_BOOL m_bSameLastDict;
+  FX_BOOL m_bColored;
+  FX_FLOAT m_Type3Data[6];
+  FX_BOOL m_bResourceMissing;
+  std::vector<std::unique_ptr<CPDF_AllStates>> m_StateStack;
+};
+class CPDF_ContentParser {
+ public:
+  enum ParseStatus { Ready, ToBeContinued, Done };
+
+  CPDF_ContentParser();
+  ~CPDF_ContentParser();
+
+  ParseStatus GetStatus() const { return m_Status; }
+  void Start(CPDF_Page* pPage);
+  void Start(CPDF_Form* pForm,
+             CPDF_AllStates* pGraphicStates,
+             const CFX_Matrix* pParentMatrix,
+             CPDF_Type3Char* pType3Char,
+             int level);
+  void Continue(IFX_Pause* pPause);
+
+ private:
+  enum InternalStage {
+    STAGE_GETCONTENT = 1,
+    STAGE_PARSE,
+    STAGE_CHECKCLIP,
+  };
+
+  ParseStatus m_Status;
+  InternalStage m_InternalStage;
+  CPDF_PageObjectHolder* m_pObjectHolder;
+  FX_BOOL m_bForm;
+  CPDF_Type3Char* m_pType3Char;
+  uint32_t m_nStreams;
+  std::unique_ptr<CPDF_StreamAcc> m_pSingleStream;
+  std::vector<std::unique_ptr<CPDF_StreamAcc>> m_StreamArray;
+  uint8_t* m_pData;
+  uint32_t m_Size;
+  uint32_t m_CurrentOffset;
+  std::unique_ptr<CPDF_StreamContentParser> m_pParser;
+};
+
+class CPDF_DocPageData {
+ public:
+  explicit CPDF_DocPageData(CPDF_Document* pPDFDoc);
+  ~CPDF_DocPageData();
+
+  void Clear(FX_BOOL bRelease = FALSE);
+  CPDF_Font* GetFont(CPDF_Dictionary* pFontDict, FX_BOOL findOnly);
+  CPDF_Font* GetStandardFont(const CFX_ByteString& fontName,
+                             CPDF_FontEncoding* pEncoding);
+  void ReleaseFont(const CPDF_Dictionary* pFontDict);
+  CPDF_ColorSpace* GetColorSpace(CPDF_Object* pCSObj,
+                                 const CPDF_Dictionary* pResources);
+  CPDF_ColorSpace* GetCopiedColorSpace(CPDF_Object* pCSObj);
+  void ReleaseColorSpace(const CPDF_Object* pColorSpace);
+  CPDF_Pattern* GetPattern(CPDF_Object* pPatternObj,
+                           FX_BOOL bShading,
+                           const CFX_Matrix& matrix);
+  void ReleasePattern(const CPDF_Object* pPatternObj);
+  CPDF_Image* GetImage(CPDF_Object* pImageStream);
+  void ReleaseImage(const CPDF_Object* pImageStream);
+  CPDF_IccProfile* GetIccProfile(CPDF_Stream* pIccProfileStream);
+  void ReleaseIccProfile(const CPDF_IccProfile* pIccProfile);
+  CPDF_StreamAcc* GetFontFileStreamAcc(CPDF_Stream* pFontStream);
+  void ReleaseFontFileStreamAcc(const CPDF_Stream* pFontStream);
+  FX_BOOL IsForceClear() const { return m_bForceClear; }
+  CPDF_CountedColorSpace* FindColorSpacePtr(CPDF_Object* pCSObj) const;
+  CPDF_CountedPattern* FindPatternPtr(CPDF_Object* pPatternObj) const;
+
+ private:
+  using CPDF_CountedFont = CPDF_CountedObject<CPDF_Font>;
+  using CPDF_CountedIccProfile = CPDF_CountedObject<CPDF_IccProfile>;
+  using CPDF_CountedImage = CPDF_CountedObject<CPDF_Image>;
+  using CPDF_CountedStreamAcc = CPDF_CountedObject<CPDF_StreamAcc>;
+
+  using CPDF_ColorSpaceMap =
+      std::map<const CPDF_Object*, CPDF_CountedColorSpace*>;
+  using CPDF_FontFileMap = std::map<const CPDF_Stream*, CPDF_CountedStreamAcc*>;
+  using CPDF_FontMap = std::map<const CPDF_Dictionary*, CPDF_CountedFont*>;
+  using CPDF_IccProfileMap =
+      std::map<const CPDF_Stream*, CPDF_CountedIccProfile*>;
+  using CPDF_ImageMap = std::map<uint32_t, CPDF_CountedImage*>;
+  using CPDF_PatternMap = std::map<const CPDF_Object*, CPDF_CountedPattern*>;
+
+  CPDF_ColorSpace* GetColorSpaceImpl(CPDF_Object* pCSObj,
+                                     const CPDF_Dictionary* pResources,
+                                     std::set<CPDF_Object*>* pVisited);
+
+  CPDF_Document* const m_pPDFDoc;
+  FX_BOOL m_bForceClear;
+  std::map<CFX_ByteString, CPDF_Stream*> m_HashProfileMap;
+  CPDF_ColorSpaceMap m_ColorSpaceMap;
+  CPDF_FontFileMap m_FontFileMap;
+  CPDF_FontMap m_FontMap;
+  CPDF_IccProfileMap m_IccProfileMap;
+  CPDF_ImageMap m_ImageMap;
+  CPDF_PatternMap m_PatternMap;
+};
+
+class CPDF_Function {
+ public:
+  enum class Type {
+    kTypeInvalid = -1,
+    kType0Sampled = 0,
+    kType2ExpotentialInterpolation = 2,
+    kType3Stitching = 3,
+    kType4PostScript = 4,
+  };
+
+  static std::unique_ptr<CPDF_Function> Load(CPDF_Object* pFuncObj);
+  static Type IntegerToFunctionType(int iType);
+
+  virtual ~CPDF_Function();
+  FX_BOOL Call(FX_FLOAT* inputs,
+               uint32_t ninputs,
+               FX_FLOAT* results,
+               int& nresults) const;
+  uint32_t CountInputs() const { return m_nInputs; }
+  uint32_t CountOutputs() const { return m_nOutputs; }
+  FX_FLOAT GetDomain(int i) const { return m_pDomains[i]; }
+  FX_FLOAT GetRange(int i) const { return m_pRanges[i]; }
+
+  const CPDF_SampledFunc* ToSampledFunc() const;
+  const CPDF_ExpIntFunc* ToExpIntFunc() const;
+  const CPDF_StitchFunc* ToStitchFunc() const;
+
+ protected:
+  explicit CPDF_Function(Type type);
+
+  FX_BOOL Init(CPDF_Object* pObj);
+  virtual FX_BOOL v_Init(CPDF_Object* pObj) = 0;
+  virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const = 0;
+
+  uint32_t m_nInputs;
+  uint32_t m_nOutputs;
+  FX_FLOAT* m_pDomains;
+  FX_FLOAT* m_pRanges;
+  const Type m_Type;
+};
+
+class CPDF_ExpIntFunc : public CPDF_Function {
+ public:
+  CPDF_ExpIntFunc();
+  ~CPDF_ExpIntFunc() override;
+
+  // CPDF_Function
+  FX_BOOL v_Init(CPDF_Object* pObj) override;
+  FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const override;
+
+  uint32_t m_nOrigOutputs;
+  FX_FLOAT m_Exponent;
+  FX_FLOAT* m_pBeginValues;
+  FX_FLOAT* m_pEndValues;
+};
+
+class CPDF_SampledFunc : public CPDF_Function {
+ public:
+  struct SampleEncodeInfo {
+    FX_FLOAT encode_max;
+    FX_FLOAT encode_min;
+    uint32_t sizes;
+  };
+
+  struct SampleDecodeInfo {
+    FX_FLOAT decode_max;
+    FX_FLOAT decode_min;
+  };
+
+  CPDF_SampledFunc();
+  ~CPDF_SampledFunc() override;
+
+  // CPDF_Function
+  FX_BOOL v_Init(CPDF_Object* pObj) override;
+  FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const override;
+
+  const std::vector<SampleEncodeInfo>& GetEncodeInfo() const {
+    return m_EncodeInfo;
+  }
+  uint32_t GetBitsPerSample() const { return m_nBitsPerSample; }
+  const CPDF_StreamAcc* GetSampleStream() const {
+    return m_pSampleStream.get();
+  }
+
+ private:
+  std::vector<SampleEncodeInfo> m_EncodeInfo;
+  std::vector<SampleDecodeInfo> m_DecodeInfo;
+  uint32_t m_nBitsPerSample;
+  uint32_t m_SampleMax;
+  std::unique_ptr<CPDF_StreamAcc> m_pSampleStream;
+};
+
+class CPDF_StitchFunc : public CPDF_Function {
+ public:
+  CPDF_StitchFunc();
+  ~CPDF_StitchFunc() override;
+
+  // CPDF_Function
+  FX_BOOL v_Init(CPDF_Object* pObj) override;
+  FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const override;
+
+  const std::vector<std::unique_ptr<CPDF_Function>>& GetSubFunctions() const {
+    return m_pSubFunctions;
+  }
+  FX_FLOAT GetBound(size_t i) const { return m_pBounds[i]; }
+
+ private:
+  std::vector<std::unique_ptr<CPDF_Function>> m_pSubFunctions;
+  FX_FLOAT* m_pBounds;
+  FX_FLOAT* m_pEncode;
+
+  static const uint32_t kRequiredNumInputs = 1;
+};
+
+class CPDF_IccProfile {
+ public:
+  CPDF_IccProfile(const uint8_t* pData, uint32_t dwSize);
+  ~CPDF_IccProfile();
+  uint32_t GetComponents() const { return m_nSrcComponents; }
+  FX_BOOL m_bsRGB;
+  void* m_pTransform;
+
+ private:
+  uint32_t m_nSrcComponents;
+};
+
+class CPDF_DeviceCS : public CPDF_ColorSpace {
+ public:
+  CPDF_DeviceCS(CPDF_Document* pDoc, int family);
+
+  FX_BOOL GetRGB(FX_FLOAT* pBuf,
+                 FX_FLOAT& R,
+                 FX_FLOAT& G,
+                 FX_FLOAT& B) const override;
+  FX_BOOL SetRGB(FX_FLOAT* pBuf,
+                 FX_FLOAT R,
+                 FX_FLOAT G,
+                 FX_FLOAT B) const override;
+  FX_BOOL v_GetCMYK(FX_FLOAT* pBuf,
+                    FX_FLOAT& c,
+                    FX_FLOAT& m,
+                    FX_FLOAT& y,
+                    FX_FLOAT& k) const override;
+  FX_BOOL v_SetCMYK(FX_FLOAT* pBuf,
+                    FX_FLOAT c,
+                    FX_FLOAT m,
+                    FX_FLOAT y,
+                    FX_FLOAT k) const override;
+  void TranslateImageLine(uint8_t* pDestBuf,
+                          const uint8_t* pSrcBuf,
+                          int pixels,
+                          int image_width,
+                          int image_height,
+                          FX_BOOL bTransMask = FALSE) const override;
+};
+
+class CPDF_PatternCS : public CPDF_ColorSpace {
+ public:
+  explicit CPDF_PatternCS(CPDF_Document* pDoc);
+  ~CPDF_PatternCS() override;
+  FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
+  FX_BOOL GetRGB(FX_FLOAT* pBuf,
+                 FX_FLOAT& R,
+                 FX_FLOAT& G,
+                 FX_FLOAT& B) const override;
+  CPDF_ColorSpace* GetBaseCS() const override;
+
+ private:
+  CPDF_ColorSpace* m_pBaseCS;
+  CPDF_CountedColorSpace* m_pCountedBaseCS;
+};
+
+#define MAX_PATTERN_COLORCOMPS 16
+struct PatternValue {
+  CPDF_Pattern* m_pPattern;
+  CPDF_CountedPattern* m_pCountedPattern;
+  int m_nComps;
+  FX_FLOAT m_Comps[MAX_PATTERN_COLORCOMPS];
+};
+
+CFX_ByteStringC PDF_FindKeyAbbreviationForTesting(const CFX_ByteStringC& abbr);
+CFX_ByteStringC PDF_FindValueAbbreviationForTesting(
+    const CFX_ByteStringC& abbr);
+
+void PDF_ReplaceAbbr(CPDF_Object* pObj);
+bool IsPathOperator(const uint8_t* buf, size_t len);
+
+#endif  // CORE_FPDFAPI_PAGE_PAGEINT_H_