From 764ec513eecbebd12781bcc96ce81ed5e736ee92 Mon Sep 17 00:00:00 2001 From: Dan Sinclair Date: Mon, 14 Mar 2016 13:35:12 -0400 Subject: Move core/src/ up to core/. This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 . --- core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h | 96 +++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h (limited to 'core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h') diff --git a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h new file mode 100644 index 0000000000..842b35f8f2 --- /dev/null +++ b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h @@ -0,0 +1,96 @@ +// 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_SYNTAX_PARSER_H_ +#define CORE_FPDFAPI_FPDF_PARSER_CPDF_SYNTAX_PARSER_H_ + +#include + +#include "core/include/fxcrt/fx_basic.h" + +class CPDF_Dictionary; +class CPDF_IndirectObjectHolder; +class CPDF_Object; +class CPDF_Stream; +class IFX_FileRead; +class IPDF_CryptoHandler; + +class CPDF_SyntaxParser { + public: + CPDF_SyntaxParser(); + ~CPDF_SyntaxParser(); + + void InitParser(IFX_FileRead* pFileAccess, FX_DWORD HeaderOffset); + + FX_FILESIZE SavePos() const { return m_Pos; } + void RestorePos(FX_FILESIZE pos) { m_Pos = pos; } + + CPDF_Object* GetObject(CPDF_IndirectObjectHolder* pObjList, + FX_DWORD objnum, + FX_DWORD gennum, + FX_BOOL bDecrypt); + CPDF_Object* GetObjectByStrict(CPDF_IndirectObjectHolder* pObjList, + FX_DWORD objnum, + FX_DWORD gennum); + CFX_ByteString GetKeyword(); + + void ToNextLine(); + void ToNextWord(); + + FX_BOOL SearchWord(const CFX_ByteStringC& word, + FX_BOOL bWholeWord, + FX_BOOL bForward, + FX_FILESIZE limit); + int SearchMultiWord(const CFX_ByteStringC& words, + FX_BOOL bWholeWord, + FX_FILESIZE limit); + FX_FILESIZE FindTag(const CFX_ByteStringC& tag, FX_FILESIZE limit); + + void SetEncrypt(std::unique_ptr pCryptoHandler); + + FX_BOOL ReadBlock(uint8_t* pBuf, FX_DWORD size); + FX_BOOL GetCharAt(FX_FILESIZE pos, uint8_t& ch); + CFX_ByteString GetNextWord(bool* bIsNumber); + + private: + friend class CPDF_Parser; + friend class CPDF_DataAvail; + friend class cpdf_syntax_parser_ReadHexString_Test; + + static const int kParserMaxRecursionDepth = 64; + static int s_CurrentRecursionDepth; + + uint32_t GetDirectNum(); + + FX_BOOL GetNextChar(uint8_t& ch); + FX_BOOL GetCharAtBackward(FX_FILESIZE pos, uint8_t& ch); + void GetNextWordInternal(bool* bIsNumber); + bool IsWholeWord(FX_FILESIZE startpos, + FX_FILESIZE limit, + const CFX_ByteStringC& tag, + FX_BOOL checkKeyword); + + CFX_ByteString ReadString(); + CFX_ByteString ReadHexString(); + unsigned int ReadEOLMarkers(FX_FILESIZE pos); + CPDF_Stream* ReadStream(CPDF_Dictionary* pDict, + FX_DWORD objnum, + FX_DWORD gennum); + + FX_FILESIZE m_Pos; + int m_MetadataObjnum; + IFX_FileRead* m_pFileAccess; + FX_DWORD m_HeaderOffset; + FX_FILESIZE m_FileLen; + uint8_t* m_pFileBuf; + FX_DWORD m_BufSize; + FX_FILESIZE m_BufOffset; + std::unique_ptr m_pCryptoHandler; + uint8_t m_WordBuffer[257]; + FX_DWORD m_WordSize; +}; + +#endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_SYNTAX_PARSER_H_ -- cgit v1.2.3