File_Iso9660.cpp

/* Copyright (c) MediaArea.net SARL. All Rights Reserved. * * Use of this source code is governed by a BSD-style license that can * be found in the License.html file in the root of the source tree. */ //--------------------------------------------------------------------------- // Pre-compilation #include "MediaInfo/PreComp.h" #ifdef __BORLANDC__ #pragma hdrstop #endif //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- #include "MediaInfo/Setup.h" //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- #if defined(MEDIAINFO_7Z_YES) //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- #include "MediaInfo/Archive/File_Iso9660.h" //--------------------------------------------------------------------------- namespace MediaInfoLib { //*************************************************************************** // File header //*************************************************************************** //--------------------------------------------------------------------------- bool File_Iso9660::FileHeader_Begin() { //Element_Size if (Buffer_Size<65536) return false; //Must wait for more data if (CC6(Buffer+32768)!=0x014344303031LL) //"Iso9660...." { Reject("ISO 9660"); return false; } //All should be OK... Accept("ISO 9660"); return true; } //*************************************************************************** // Buffer - Global //*************************************************************************** //--------------------------------------------------------------------------- void File_Iso9660::Read_Buffer_Continue() { Skip_XX(32768, "System Area"); Primary_Volume_Descriptor(); FILLING_BEGIN(); Fill(Stream_General, 0, General_Format, "ISO 9660"); Finish("ISO 9660"); FILLING_END(); } //*************************************************************************** // Elements //*************************************************************************** //--------------------------------------------------------------------------- void File_Iso9660::Primary_Volume_Descriptor() { int32u Volume_Space_Size; Element_Begin1("Volume_Descriptor"); Skip_B1("Volume Descriptor Type"); Skip_Local(5,"Standard Identifier"); Skip_B1("Volume Descriptor Version"); Skip_B1("Unused field"); Skip_Local(32,"System Identifier"); Skip_Local(32,"Volume Identifier"); Skip_XX(8,"Unused field"); Get_D4(Volume_Space_Size, "Volume Space Size"); Param_Info2(Volume_Space_Size*(int64u)2048, " bytes"); Skip_XX(32,"Unused field"); Skip_B4("Volume Set Size"); Skip_B4("Volume Sequence Number"); Skip_B4("Logical Block Size"); Skip_B8("Path Table Size"); Skip_B4("Location of Occurrence of Type L Path Table"); Skip_B4("Location of Optional Occurrence of Type L Path Table"); Skip_B4("Location of Occurrence of Type M Path Table"); Skip_B4("Location of Optional Occurrence of Type M Path Table"); Skip_Local(34,"Directory Record for Root Directory"); Skip_Local(128,"Volume Set Identifier"); Skip_Local(128,"Publisher Identifier"); Skip_Local(128,"Data Preparer Identifier"); Skip_Local(128,"Application Identifier"); Skip_Local(37,"Copyright File Identifier"); Skip_Local(37,"Abstract File Identifier"); Skip_Local(37,"Bibliographic File Identifier"); Skip_XX(17,"Volume Creation Date and Time"); Element_End0(); } } //NameSpace #endif //MEDIAINFO_7Z_YES

↑ V525 The code contains the collection of similar blocks. Check items '4', '4', '4', '8', '4', '4', '4', '4' in lines 87, 88, 89, 90, 91, 92, 93, 94.