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Unified Diff: core/include/fpdfapi/fpdf_objects.h

Issue 1776913007: Split fpdf_parser_objects.cpp into per-class .cpp/.h files. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Address comments Created 4 years, 9 months ago
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Index: core/include/fpdfapi/fpdf_objects.h
diff --git a/core/include/fpdfapi/fpdf_objects.h b/core/include/fpdfapi/fpdf_objects.h
deleted file mode 100644
index 42282a1dcc24f2ea62f08e3f3202d3090ede8227..0000000000000000000000000000000000000000
--- 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_
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