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Diffstat (limited to 'core/include/fpdfapi/fpdf_objects.h')
| -rw-r--r-- | core/include/fpdfapi/fpdf_objects.h | 553 |
1 files changed, 0 insertions, 553 deletions
diff --git a/core/include/fpdfapi/fpdf_objects.h b/core/include/fpdfapi/fpdf_objects.h deleted file mode 100644 index 42282a1dcc..0000000000 --- a/core/include/fpdfapi/fpdf_objects.h +++ /dev/null @@ -1,553 +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_INCLUDE_FPDFAPI_FPDF_OBJECTS_H_ -#define CORE_INCLUDE_FPDFAPI_FPDF_OBJECTS_H_ - -#include <map> -#include <set> - -#include "core/include/fxcrt/fx_coordinates.h" -#include "core/include/fxcrt/fx_system.h" - -class CPDF_Array; -class CPDF_Boolean; -class CPDF_Dictionary; -class CPDF_IndirectObjectHolder; -class CPDF_Name; -class CPDF_Null; -class CPDF_Number; -class CPDF_Parser; -class CPDF_Reference; -class CPDF_Stream; -class CPDF_StreamAcc; -class CPDF_String; -class IFX_FileRead; - -class CPDF_Object { - public: - enum Type { - BOOLEAN = 1, - NUMBER, - STRING, - NAME, - ARRAY, - DICTIONARY, - STREAM, - NULLOBJ, - REFERENCE - }; - - virtual Type GetType() const = 0; - FX_DWORD GetObjNum() const { return m_ObjNum; } - FX_DWORD GetGenNum() const { return m_GenNum; } - - virtual CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const = 0; - virtual CPDF_Object* GetDirect() const; - - FX_BOOL IsModified() const { return FALSE; } - void Release(); - - virtual CFX_ByteString GetString() const; - virtual CFX_ByteStringC GetConstString() const; - virtual CFX_WideString GetUnicodeText() const; - virtual FX_FLOAT GetNumber() const; - virtual int GetInteger() const; - virtual CPDF_Dictionary* GetDict() const; - virtual CPDF_Array* GetArray() const; - - virtual void SetString(const CFX_ByteString& str); - - virtual bool IsArray() const; - virtual bool IsBoolean() const; - virtual bool IsDictionary() const; - virtual bool IsName() const; - virtual bool IsNumber() const; - virtual bool IsReference() const; - virtual bool IsStream() const; - virtual bool IsString() const; - - virtual CPDF_Array* AsArray(); - virtual const CPDF_Array* AsArray() const; - virtual CPDF_Boolean* AsBoolean(); - virtual const CPDF_Boolean* AsBoolean() const; - virtual CPDF_Dictionary* AsDictionary(); - virtual const CPDF_Dictionary* AsDictionary() const; - virtual CPDF_Name* AsName(); - virtual const CPDF_Name* AsName() const; - virtual CPDF_Number* AsNumber(); - virtual const CPDF_Number* AsNumber() const; - virtual CPDF_Reference* AsReference(); - virtual const CPDF_Reference* AsReference() const; - virtual CPDF_Stream* AsStream(); - virtual const CPDF_Stream* AsStream() const; - virtual CPDF_String* AsString(); - virtual const CPDF_String* AsString() const; - - protected: - CPDF_Object() : m_ObjNum(0), m_GenNum(0) {} - virtual ~CPDF_Object(); - void Destroy() { delete this; } - - FX_DWORD m_ObjNum; - FX_DWORD m_GenNum; - - friend class CPDF_IndirectObjectHolder; - friend class CPDF_Parser; - - private: - CPDF_Object(const CPDF_Object& src) {} -}; - -class CPDF_Boolean : public CPDF_Object { - public: - CPDF_Boolean() : m_bValue(false) {} - explicit CPDF_Boolean(FX_BOOL value) : m_bValue(value) {} - - // CPDF_Object. - Type GetType() const override; - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; - CFX_ByteString GetString() const override; - int GetInteger() const override; - void SetString(const CFX_ByteString& str) override; - bool IsBoolean() const override; - CPDF_Boolean* AsBoolean() override; - const CPDF_Boolean* AsBoolean() const override; - - protected: - ~CPDF_Boolean() override; - - FX_BOOL m_bValue; -}; - -inline CPDF_Boolean* ToBoolean(CPDF_Object* obj) { - return obj ? obj->AsBoolean() : nullptr; -} - -inline const CPDF_Boolean* ToBoolean(const CPDF_Object* obj) { - return obj ? obj->AsBoolean() : nullptr; -} - -class CPDF_Number : public CPDF_Object { - public: - CPDF_Number() : m_bInteger(TRUE), m_Integer(0) {} - explicit CPDF_Number(int value) : m_bInteger(TRUE), m_Integer(value) {} - explicit CPDF_Number(FX_FLOAT value) : m_bInteger(FALSE), m_Float(value) {} - explicit CPDF_Number(const CFX_ByteStringC& str); - - // CPDF_Object. - Type GetType() const override; - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; - CFX_ByteString GetString() const override; - FX_FLOAT GetNumber() const override; - int GetInteger() const override; - void SetString(const CFX_ByteString& str) override; - bool IsNumber() const override; - CPDF_Number* AsNumber() override; - const CPDF_Number* AsNumber() const override; - - FX_BOOL IsInteger() { return m_bInteger; } - - protected: - ~CPDF_Number() override; - - FX_BOOL m_bInteger; - union { - int m_Integer; - FX_FLOAT m_Float; - }; -}; - -inline CPDF_Number* ToNumber(CPDF_Object* obj) { - return obj ? obj->AsNumber() : nullptr; -} - -inline const CPDF_Number* ToNumber(const CPDF_Object* obj) { - return obj ? obj->AsNumber() : nullptr; -} - -class CPDF_String : public CPDF_Object { - public: - CPDF_String() : m_bHex(FALSE) {} - CPDF_String(const CFX_ByteString& str, FX_BOOL bHex) - : m_String(str), m_bHex(bHex) {} - explicit CPDF_String(const CFX_WideString& str); - - // CPDF_Object. - Type GetType() const override; - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; - CFX_ByteString GetString() const override; - CFX_ByteStringC GetConstString() const override; - CFX_WideString GetUnicodeText() const override; - void SetString(const CFX_ByteString& str) override; - bool IsString() const override; - CPDF_String* AsString() override; - const CPDF_String* AsString() const override; - - FX_BOOL IsHex() const { return m_bHex; } - - protected: - ~CPDF_String() override; - - CFX_ByteString m_String; - FX_BOOL m_bHex; -}; - -inline CPDF_String* ToString(CPDF_Object* obj) { - return obj ? obj->AsString() : nullptr; -} - -inline const CPDF_String* ToString(const CPDF_Object* obj) { - return obj ? obj->AsString() : nullptr; -} - -class CPDF_Name : public CPDF_Object { - public: - explicit CPDF_Name(const CFX_ByteString& str) : m_Name(str) {} - explicit CPDF_Name(const CFX_ByteStringC& str) : m_Name(str) {} - explicit CPDF_Name(const FX_CHAR* str) : m_Name(str) {} - - // CPDF_Object. - Type GetType() const override; - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; - CFX_ByteString GetString() const override; - CFX_ByteStringC GetConstString() const override; - CFX_WideString GetUnicodeText() const override; - void SetString(const CFX_ByteString& str) override; - bool IsName() const override; - CPDF_Name* AsName() override; - const CPDF_Name* AsName() const override; - - protected: - ~CPDF_Name() override; - - CFX_ByteString m_Name; -}; - -inline CPDF_Name* ToName(CPDF_Object* obj) { - return obj ? obj->AsName() : nullptr; -} - -inline const CPDF_Name* ToName(const CPDF_Object* obj) { - return obj ? obj->AsName() : nullptr; -} - -class CPDF_Array : public CPDF_Object { - public: - CPDF_Array(); - - // CPDF_Object. - Type GetType() const override; - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; - CPDF_Array* GetArray() const override; - bool IsArray() const override; - CPDF_Array* AsArray() override; - const CPDF_Array* AsArray() const override; - - FX_DWORD GetCount() const { return m_Objects.GetSize(); } - CPDF_Object* GetElement(FX_DWORD index) const; - CPDF_Object* GetElementValue(FX_DWORD index) const; - CFX_Matrix GetMatrix(); - CFX_FloatRect GetRect(); - CFX_ByteString GetStringAt(FX_DWORD index) const; - CFX_ByteStringC GetConstStringAt(FX_DWORD index) const; - int GetIntegerAt(FX_DWORD index) const; - FX_FLOAT GetNumberAt(FX_DWORD index) const; - CPDF_Dictionary* GetDictAt(FX_DWORD index) const; - CPDF_Stream* GetStreamAt(FX_DWORD index) const; - CPDF_Array* GetArrayAt(FX_DWORD index) const; - FX_FLOAT GetFloatAt(FX_DWORD index) const { return GetNumberAt(index); } - - void SetAt(FX_DWORD index, - CPDF_Object* pObj, - CPDF_IndirectObjectHolder* pObjs = nullptr); - void InsertAt(FX_DWORD index, - CPDF_Object* pObj, - CPDF_IndirectObjectHolder* pObjs = nullptr); - void RemoveAt(FX_DWORD index, int nCount = 1); - - void Add(CPDF_Object* pObj, CPDF_IndirectObjectHolder* pObjs = nullptr); - void AddNumber(FX_FLOAT f); - void AddInteger(int i); - void AddString(const CFX_ByteString& str); - void AddName(const CFX_ByteString& str); - void AddReference(CPDF_IndirectObjectHolder* pDoc, FX_DWORD objnum); - void AddReference(CPDF_IndirectObjectHolder* pDoc, CPDF_Object* obj) { - AddReference(pDoc, obj->GetObjNum()); - } - - protected: - ~CPDF_Array() override; - - CFX_ArrayTemplate<CPDF_Object*> m_Objects; -}; - -inline CPDF_Array* ToArray(CPDF_Object* obj) { - return obj ? obj->AsArray() : nullptr; -} - -inline const CPDF_Array* ToArray(const CPDF_Object* obj) { - return obj ? obj->AsArray() : nullptr; -} - -class CPDF_Dictionary : public CPDF_Object { - public: - using iterator = std::map<CFX_ByteString, CPDF_Object*>::iterator; - using const_iterator = std::map<CFX_ByteString, CPDF_Object*>::const_iterator; - - CPDF_Dictionary(); - - // CPDF_Object. - Type GetType() const override; - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; - CPDF_Dictionary* GetDict() const override; - bool IsDictionary() const override; - CPDF_Dictionary* AsDictionary() override; - const CPDF_Dictionary* AsDictionary() const override; - - size_t GetCount() const { return m_Map.size(); } - CPDF_Object* GetElement(const CFX_ByteStringC& key) const; - CPDF_Object* GetElementValue(const CFX_ByteStringC& key) const; - CFX_ByteString GetStringBy(const CFX_ByteStringC& key) const; - CFX_ByteStringC GetConstStringBy(const CFX_ByteStringC& key) const; - CFX_ByteString GetStringBy(const CFX_ByteStringC& key, - const CFX_ByteStringC& default_str) const; - CFX_ByteStringC GetConstStringBy(const CFX_ByteStringC& key, - const CFX_ByteStringC& default_str) const; - CFX_WideString GetUnicodeTextBy(const CFX_ByteStringC& key) const; - int GetIntegerBy(const CFX_ByteStringC& key) const; - int GetIntegerBy(const CFX_ByteStringC& key, int default_int) const; - FX_BOOL GetBooleanBy(const CFX_ByteStringC& key, - FX_BOOL bDefault = FALSE) const; - FX_FLOAT GetNumberBy(const CFX_ByteStringC& key) const; - CPDF_Dictionary* GetDictBy(const CFX_ByteStringC& key) const; - CPDF_Stream* GetStreamBy(const CFX_ByteStringC& key) const; - CPDF_Array* GetArrayBy(const CFX_ByteStringC& key) const; - CFX_FloatRect GetRectBy(const CFX_ByteStringC& key) const; - CFX_Matrix GetMatrixBy(const CFX_ByteStringC& key) const; - FX_FLOAT GetFloatBy(const CFX_ByteStringC& key) const { - return GetNumberBy(key); - } - - FX_BOOL KeyExist(const CFX_ByteStringC& key) const; - bool IsSignatureDict() const; - - // Set* functions invalidate iterators for the element with the key |key|. - void SetAt(const CFX_ByteStringC& key, CPDF_Object* pObj); - void SetAtName(const CFX_ByteStringC& key, const CFX_ByteString& name); - void SetAtString(const CFX_ByteStringC& key, const CFX_ByteString& str); - void SetAtInteger(const CFX_ByteStringC& key, int i); - void SetAtNumber(const CFX_ByteStringC& key, FX_FLOAT f); - void SetAtReference(const CFX_ByteStringC& key, - CPDF_IndirectObjectHolder* pDoc, - FX_DWORD objnum); - void SetAtReference(const CFX_ByteStringC& key, - CPDF_IndirectObjectHolder* pDoc, - CPDF_Object* obj) { - SetAtReference(key, pDoc, obj->GetObjNum()); - } - void SetAtRect(const CFX_ByteStringC& key, const CFX_FloatRect& rect); - void SetAtMatrix(const CFX_ByteStringC& key, const CFX_Matrix& matrix); - void SetAtBoolean(const CFX_ByteStringC& key, FX_BOOL bValue); - - void AddReference(const CFX_ByteStringC& key, - CPDF_IndirectObjectHolder* pDoc, - FX_DWORD objnum); - - // Invalidates iterators for the element with the key |key|. - void RemoveAt(const CFX_ByteStringC& key); - - // Invalidates iterators for the element with the key |oldkey|. - void ReplaceKey(const CFX_ByteStringC& oldkey, const CFX_ByteStringC& newkey); - - iterator begin() { return m_Map.begin(); } - iterator end() { return m_Map.end(); } - const_iterator begin() const { return m_Map.begin(); } - const_iterator end() const { return m_Map.end(); } - - protected: - ~CPDF_Dictionary() override; - - std::map<CFX_ByteString, CPDF_Object*> m_Map; -}; - -inline CPDF_Dictionary* ToDictionary(CPDF_Object* obj) { - return obj ? obj->AsDictionary() : nullptr; -} - -inline const CPDF_Dictionary* ToDictionary(const CPDF_Object* obj) { - return obj ? obj->AsDictionary() : nullptr; -} - -class CPDF_Stream : public CPDF_Object { - public: - CPDF_Stream(uint8_t* pData, FX_DWORD size, CPDF_Dictionary* pDict); - - // CPDF_Object. - Type GetType() const override; - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; - CPDF_Dictionary* GetDict() const override; - CFX_WideString GetUnicodeText() const override; - bool IsStream() const override; - CPDF_Stream* AsStream() override; - const CPDF_Stream* AsStream() const override; - - FX_DWORD GetRawSize() const { return m_dwSize; } - uint8_t* GetRawData() const { return m_pDataBuf; } - - void SetData(const uint8_t* pData, - FX_DWORD size, - FX_BOOL bCompressed, - FX_BOOL bKeepBuf); - - void InitStream(uint8_t* pData, FX_DWORD size, CPDF_Dictionary* pDict); - void InitStreamFromFile(IFX_FileRead* pFile, CPDF_Dictionary* pDict); - - FX_BOOL ReadRawData(FX_FILESIZE start_pos, - uint8_t* pBuf, - FX_DWORD buf_size) const; - - bool IsMemoryBased() const { return m_GenNum == kMemoryBasedGenNum; } - - protected: - static const FX_DWORD kMemoryBasedGenNum = (FX_DWORD)-1; - - ~CPDF_Stream() override; - - void InitStreamInternal(CPDF_Dictionary* pDict); - - CPDF_Dictionary* m_pDict; - FX_DWORD m_dwSize; - FX_DWORD m_GenNum; - - union { - uint8_t* m_pDataBuf; - IFX_FileRead* m_pFile; - }; -}; - -inline CPDF_Stream* ToStream(CPDF_Object* obj) { - return obj ? obj->AsStream() : nullptr; -} - -inline const CPDF_Stream* ToStream(const CPDF_Object* obj) { - return obj ? obj->AsStream() : nullptr; -} - -class CPDF_StreamAcc { - public: - CPDF_StreamAcc(); - ~CPDF_StreamAcc(); - - void LoadAllData(const CPDF_Stream* pStream, - FX_BOOL bRawAccess = FALSE, - FX_DWORD estimated_size = 0, - FX_BOOL bImageAcc = FALSE); - - const CPDF_Stream* GetStream() const { return m_pStream; } - CPDF_Dictionary* GetDict() const { - return m_pStream ? m_pStream->GetDict() : nullptr; - } - const uint8_t* GetData() const; - FX_DWORD GetSize() const; - const CFX_ByteString& GetImageDecoder() const { return m_ImageDecoder; } - const CPDF_Dictionary* GetImageParam() const { return m_pImageParam; } - - uint8_t* DetachData(); - - protected: - uint8_t* m_pData; - FX_DWORD m_dwSize; - FX_BOOL m_bNewBuf; - CFX_ByteString m_ImageDecoder; - CPDF_Dictionary* m_pImageParam; - const CPDF_Stream* m_pStream; - uint8_t* m_pSrcData; -}; - -class CPDF_Null : public CPDF_Object { - public: - CPDF_Null() {} - - // CPDF_Object. - Type GetType() const override; - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; -}; - -class CPDF_Reference : public CPDF_Object { - public: - CPDF_Reference(CPDF_IndirectObjectHolder* pDoc, int objnum) - : m_pObjList(pDoc), m_RefObjNum(objnum) {} - - // CPDF_Object. - Type GetType() const override; - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; - CPDF_Object* GetDirect() const override; - CFX_ByteString GetString() const override; - CFX_ByteStringC GetConstString() const override; - FX_FLOAT GetNumber() const override; - int GetInteger() const override; - CPDF_Dictionary* GetDict() const override; - - // TODO(weili): check whether GetUnicodeText() and GetArray() are needed. - bool IsReference() const override; - CPDF_Reference* AsReference() override; - const CPDF_Reference* AsReference() const override; - - CPDF_IndirectObjectHolder* GetObjList() const { return m_pObjList; } - FX_DWORD GetRefObjNum() const { return m_RefObjNum; } - - void SetRef(CPDF_IndirectObjectHolder* pDoc, FX_DWORD objnum); - - protected: - ~CPDF_Reference() override; - CPDF_Object* SafeGetDirect() const { - CPDF_Object* obj = GetDirect(); - if (!obj || obj->IsReference()) - return nullptr; - return obj; - } - - CPDF_IndirectObjectHolder* m_pObjList; - FX_DWORD m_RefObjNum; -}; - -inline CPDF_Reference* ToReference(CPDF_Object* obj) { - return obj ? obj->AsReference() : nullptr; -} - -inline const CPDF_Reference* ToReference(const CPDF_Object* obj) { - return obj ? obj->AsReference() : nullptr; -} - -class CPDF_IndirectObjectHolder { - public: - using iterator = std::map<FX_DWORD, CPDF_Object*>::iterator; - using const_iterator = std::map<FX_DWORD, CPDF_Object*>::const_iterator; - - explicit CPDF_IndirectObjectHolder(CPDF_Parser* pParser); - ~CPDF_IndirectObjectHolder(); - - CPDF_Object* GetIndirectObject(FX_DWORD objnum); - FX_DWORD AddIndirectObject(CPDF_Object* pObj); - void ReleaseIndirectObject(FX_DWORD objnum); - - // Takes ownership of |pObj|. - FX_BOOL InsertIndirectObject(FX_DWORD objnum, CPDF_Object* pObj); - - FX_DWORD GetLastObjNum() const { return m_LastObjNum; } - iterator begin() { return m_IndirectObjs.begin(); } - const_iterator begin() const { return m_IndirectObjs.begin(); } - iterator end() { return m_IndirectObjs.end(); } - const_iterator end() const { return m_IndirectObjs.end(); } - - protected: - CPDF_Parser* m_pParser; - FX_DWORD m_LastObjNum; - std::map<FX_DWORD, CPDF_Object*> m_IndirectObjs; -}; - -#endif // CORE_INCLUDE_FPDFAPI_FPDF_OBJECTS_H_ |