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Unified Diff: core/fpdfapi/fpdf_parser/cpdf_parser.h

Issue 2392603004: Move core/fpdfapi/fpdf_parser to core/fpdfapi/parser (Closed)
Patch Set: Rebase to master Created 4 years, 2 months ago
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Index: core/fpdfapi/fpdf_parser/cpdf_parser.h
diff --git a/core/fpdfapi/fpdf_parser/cpdf_parser.h b/core/fpdfapi/fpdf_parser/cpdf_parser.h
deleted file mode 100644
index 254b8b02749480dfb445ed0bb3d12dc5fe4380fc..0000000000000000000000000000000000000000
--- a/core/fpdfapi/fpdf_parser/cpdf_parser.h
+++ /dev/null
@@ -1,177 +0,0 @@
-// 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_CPDF_PARSER_H_
-#define CORE_FPDFAPI_FPDF_PARSER_CPDF_PARSER_H_
-
-#include <map>
-#include <memory>
-#include <set>
-
-#include "core/fxcrt/fx_basic.h"
-
-class CPDF_Array;
-class CPDF_CryptoHandler;
-class CPDF_Dictionary;
-class CPDF_Document;
-class CPDF_IndirectObjectHolder;
-class CPDF_Object;
-class CPDF_SecurityHandler;
-class CPDF_StreamAcc;
-class CPDF_SyntaxParser;
-class IFX_FileRead;
-
-class CPDF_Parser {
- public:
- enum Error {
- SUCCESS = 0,
- FILE_ERROR,
- FORMAT_ERROR,
- PASSWORD_ERROR,
- HANDLER_ERROR
- };
-
- // A limit on the maximum object number in the xref table. Theoretical limits
- // are higher, but this may be large enough in practice.
- static const uint32_t kMaxObjectNumber = 1048576;
-
- CPDF_Parser();
- ~CPDF_Parser();
-
- Error StartParse(IFX_FileRead* pFile, CPDF_Document* pDocument);
- Error StartLinearizedParse(IFX_FileRead* pFile, CPDF_Document* pDocument);
-
- void SetPassword(const FX_CHAR* password) { m_Password = password; }
- CFX_ByteString GetPassword() { return m_Password; }
- CPDF_Dictionary* GetTrailer() const { return m_pTrailer; }
- FX_FILESIZE GetLastXRefOffset() const { return m_LastXRefOffset; }
-
- uint32_t GetPermissions() const;
- uint32_t GetRootObjNum();
- uint32_t GetInfoObjNum();
- CPDF_Array* GetIDArray();
-
- CPDF_Dictionary* GetEncryptDict() const { return m_pEncryptDict; }
-
- CPDF_Object* ParseIndirectObject(CPDF_IndirectObjectHolder* pObjList,
- uint32_t objnum);
-
- uint32_t GetLastObjNum() const;
- bool IsValidObjectNumber(uint32_t objnum) const;
- FX_FILESIZE GetObjectPositionOrZero(uint32_t objnum) const;
- uint8_t GetObjectType(uint32_t objnum) const;
- uint16_t GetObjectGenNum(uint32_t objnum) const;
- bool IsVersionUpdated() const { return m_bVersionUpdated; }
- bool IsObjectFreeOrNull(uint32_t objnum) const;
- CPDF_CryptoHandler* GetCryptoHandler();
- IFX_FileRead* GetFileAccess() const;
-
- FX_FILESIZE GetObjectOffset(uint32_t objnum) const;
- FX_FILESIZE GetObjectSize(uint32_t objnum) const;
-
- void GetIndirectBinary(uint32_t objnum, uint8_t*& pBuffer, uint32_t& size);
- int GetFileVersion() const { return m_FileVersion; }
- FX_BOOL IsXRefStream() const { return m_bXRefStream; }
-
- CPDF_Object* ParseIndirectObjectAt(CPDF_IndirectObjectHolder* pObjList,
- FX_FILESIZE pos,
- uint32_t objnum);
-
- CPDF_Object* ParseIndirectObjectAtByStrict(
- CPDF_IndirectObjectHolder* pObjList,
- FX_FILESIZE pos,
- uint32_t objnum,
- FX_FILESIZE* pResultPos);
-
- uint32_t GetFirstPageNo() const { return m_dwFirstPageNo; }
-
- protected:
- struct ObjectInfo {
- ObjectInfo() : pos(0), type(0), gennum(0) {}
-
- FX_FILESIZE pos;
- uint8_t type;
- uint16_t gennum;
- };
-
- std::unique_ptr<CPDF_SyntaxParser> m_pSyntax;
- std::map<uint32_t, ObjectInfo> m_ObjectInfo;
-
- bool LoadCrossRefV4(FX_FILESIZE pos, FX_FILESIZE streampos, FX_BOOL bSkip);
- FX_BOOL RebuildCrossRef();
-
- private:
- friend class CPDF_DataAvail;
-
- enum class ParserState {
- kDefault,
- kComment,
- kWhitespace,
- kString,
- kHexString,
- kEscapedString,
- kXref,
- kObjNum,
- kPostObjNum,
- kGenNum,
- kPostGenNum,
- kTrailer,
- kBeginObj,
- kEndObj
- };
-
- CPDF_Object* ParseDirect(CPDF_Object* pObj);
- FX_BOOL LoadAllCrossRefV4(FX_FILESIZE pos);
- FX_BOOL LoadAllCrossRefV5(FX_FILESIZE pos);
- FX_BOOL LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef);
- CPDF_Dictionary* LoadTrailerV4();
- Error SetEncryptHandler();
- void ReleaseEncryptHandler();
- FX_BOOL LoadLinearizedAllCrossRefV4(FX_FILESIZE pos, uint32_t dwObjCount);
- FX_BOOL LoadLinearizedCrossRefV4(FX_FILESIZE pos, uint32_t dwObjCount);
- FX_BOOL LoadLinearizedAllCrossRefV5(FX_FILESIZE pos);
- Error LoadLinearizedMainXRefTable();
- CPDF_StreamAcc* GetObjectStream(uint32_t number);
- FX_BOOL IsLinearizedFile(IFX_FileRead* pFileAccess, uint32_t offset);
- void SetEncryptDictionary(CPDF_Dictionary* pDict);
- void ShrinkObjectMap(uint32_t size);
- // A simple check whether the cross reference table matches with
- // the objects.
- bool VerifyCrossRefV4();
-
- CPDF_Document* m_pDocument; // not owned
- bool m_bHasParsed;
- bool m_bOwnFileRead;
- int m_FileVersion;
- CPDF_Dictionary* m_pTrailer;
- CPDF_Dictionary* m_pEncryptDict;
- FX_FILESIZE m_LastXRefOffset;
- FX_BOOL m_bXRefStream;
- std::unique_ptr<CPDF_SecurityHandler> m_pSecurityHandler;
- CFX_ByteString m_Password;
- std::set<FX_FILESIZE> m_SortedOffset;
- CFX_ArrayTemplate<CPDF_Dictionary*> m_Trailers;
- bool m_bVersionUpdated;
- CPDF_Object* m_pLinearized;
- uint32_t m_dwFirstPageNo;
- uint32_t m_dwXrefStartObjNum;
-
- // A map of object numbers to indirect streams. Map owns the streams.
- std::map<uint32_t, std::unique_ptr<CPDF_StreamAcc>> m_ObjectStreamMap;
-
- // Mapping of object numbers to offsets. The offsets are relative to the first
- // object in the stream.
- using StreamObjectCache = std::map<uint32_t, uint32_t>;
-
- // Mapping of streams to their object caches. This is valid as long as the
- // streams in |m_ObjectStreamMap| are valid.
- std::map<CPDF_StreamAcc*, StreamObjectCache> m_ObjCache;
-
- // All indirect object numbers that are being parsed.
- std::set<uint32_t> m_ParsingObjNums;
-};
-
-#endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_PARSER_H_
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