From aa28c814795edfdeb0654f16e77a54f65b7d42c2 Mon Sep 17 00:00:00 2001 From: Lei Zhang Date: Thu, 19 Nov 2015 23:26:24 -0800 Subject: Merge to XFA: Cache object numbers in CPDF_Parser::ParseIndirectObject(). TBR=tsepez@chromium.org Review URL: https://codereview.chromium.org/1458633004 . (cherry picked from commit 0c8e6c1f39f20985a3efb17292e46c476194183a) Review URL: https://codereview.chromium.org/1461693005 . --- core/include/fpdfapi/fpdf_parser.h | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) (limited to 'core/include') diff --git a/core/include/fpdfapi/fpdf_parser.h b/core/include/fpdfapi/fpdf_parser.h index 1ce43532f3..a9e79ae9e2 100644 --- a/core/include/fpdfapi/fpdf_parser.h +++ b/core/include/fpdfapi/fpdf_parser.h @@ -7,6 +7,8 @@ #ifndef CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_ #define CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_ +#include + #include "core/include/fxcrt/fx_system.h" #include "fpdf_objects.h" #include "public/fpdf_dataavail.h" @@ -499,8 +501,6 @@ class CPDF_Parser { FX_DWORD LoadLinearizedMainXRefTable(); - CFX_MapPtrToPtr m_ObjectStreamMap; - CPDF_StreamAcc* GetObjectStream(FX_DWORD number); FX_BOOL IsLinearizedFile(IFX_FileRead* pFileAccess, FX_DWORD offset); @@ -544,9 +544,22 @@ class CPDF_Parser { FX_DWORD m_dwFirstPageNo; FX_DWORD m_dwXrefStartObjNum; + + // A map of object numbers to indirect streams. Map owns the streams. + CFX_MapPtrToPtr m_ObjectStreamMap; + + // Mapping of object numbers to offsets. The offsets are relative to the first + // object in the stream. + using StreamObjectCache = std::map; + + // Mapping of streams to their object caches. This is valid as long as the + // streams in |m_ObjectStreamMap| are valid. + std::map m_ObjCache; + friend class CPDF_Creator; friend class CPDF_DataAvail; }; + #define FXCIPHER_NONE 0 #define FXCIPHER_RC4 1 #define FXCIPHER_AES 2 -- cgit v1.2.3