From be3b47d0d504a3409ce66bd77bb8c0acff87c4f5 Mon Sep 17 00:00:00 2001 From: kh1 Date: Thu, 15 Mar 2012 14:53:47 +0100 Subject: Reorganize the tree, have better ifw.pri. Shadow build support. Change-Id: I01fb12537f863ed0744979973c7e4153889cc5cb Reviewed-by: Tim Jenssen --- src/libs/7zip/win/CPP/7zip/Archive/Iso/IsoIn.h | 315 +++++++++++++++++++++++++ 1 file changed, 315 insertions(+) create mode 100644 src/libs/7zip/win/CPP/7zip/Archive/Iso/IsoIn.h (limited to 'src/libs/7zip/win/CPP/7zip/Archive/Iso/IsoIn.h') diff --git a/src/libs/7zip/win/CPP/7zip/Archive/Iso/IsoIn.h b/src/libs/7zip/win/CPP/7zip/Archive/Iso/IsoIn.h new file mode 100644 index 000000000..f9c6f6403 --- /dev/null +++ b/src/libs/7zip/win/CPP/7zip/Archive/Iso/IsoIn.h @@ -0,0 +1,315 @@ +// Archive/IsoIn.h + +#ifndef __ARCHIVE_ISO_IN_H +#define __ARCHIVE_ISO_IN_H + +#include "Common/IntToString.h" +#include "Common/MyCom.h" + +#include "../../IStream.h" + +#include "IsoHeader.h" +#include "IsoItem.h" + +namespace NArchive { +namespace NIso { + +struct CDir: public CDirRecord +{ + CDir *Parent; + CObjectVector _subItems; + + void Clear() + { + Parent = 0; + _subItems.Clear(); + } + + int GetLength(bool checkSusp, int skipSize) const + { + int len = GetLengthCur(checkSusp, skipSize); + if (Parent != 0) + if (Parent->Parent != 0) + len += 1 + Parent->GetLength(checkSusp, skipSize); + return len; + } + + int GetLengthU() const + { + int len = (int)(FileId.GetCapacity() / 2); + if (Parent != 0) + if (Parent->Parent != 0) + len += 1 + Parent->GetLengthU(); + return len; + } + + AString GetPath(bool checkSusp, int skipSize) const + { + AString s; + int len = GetLength(checkSusp, skipSize); + char *p = s.GetBuffer(len + 1); + p += len; + *p = 0; + const CDir *cur = this; + for (;;) + { + int curLen = cur->GetLengthCur(checkSusp, skipSize); + p -= curLen; + memmove(p, (const char *)(const Byte *)cur->GetNameCur(checkSusp, skipSize), curLen); + cur = cur->Parent; + if (cur == 0) + break; + if (cur->Parent == 0) + break; + p--; + *p = CHAR_PATH_SEPARATOR; + } + s.ReleaseBuffer(); + return s; + } + + UString GetPathU() const + { + UString s; + int len = GetLengthU(); + wchar_t *p = s.GetBuffer(len + 1); + p += len; + *p = 0; + const CDir *cur = this; + for (;;) + { + int curLen = (int)(cur->FileId.GetCapacity() / 2); + p -= curLen; + for (int i = 0; i < curLen; i++) + { + Byte b0 = ((const Byte *)cur->FileId)[i * 2]; + Byte b1 = ((const Byte *)cur->FileId)[i * 2 + 1]; + p[i] = (wchar_t)(((wchar_t)b0 << 8) | b1); + } + cur = cur->Parent; + if (cur == 0) + break; + if (cur->Parent == 0) + break; + p--; + *p = WCHAR_PATH_SEPARATOR; + } + s.ReleaseBuffer(); + return s; + } +}; + +struct CDateTime +{ + UInt16 Year; + Byte Month; + Byte Day; + Byte Hour; + Byte Minute; + Byte Second; + Byte Hundredths; + signed char GmtOffset; // min intervals from -48 (West) to +52 (East) recorded. + bool NotSpecified() const { return Year == 0 && Month == 0 && Day == 0 && + Hour == 0 && Minute == 0 && Second == 0 && GmtOffset == 0; } + + bool GetFileTime(FILETIME &ft) const + { + UInt64 value; + bool res = NWindows::NTime::GetSecondsSince1601(Year, Month, Day, Hour, Minute, Second, value); + if (res) + { + value -= (UInt64)((Int64)GmtOffset * 15 * 60); + value *= 10000000; + } + ft.dwLowDateTime = (DWORD)value; + ft.dwHighDateTime = (DWORD)(value >> 32); + return res; + } +}; + +struct CBootRecordDescriptor +{ + Byte BootSystemId[32]; // a-characters + Byte BootId[32]; // a-characters + Byte BootSystemUse[1977]; +}; + +struct CBootValidationEntry +{ + Byte PlatformId; + Byte Id[24]; // to identify the manufacturer/developer of the CD-ROM. +}; + +struct CBootInitialEntry +{ + bool Bootable; + Byte BootMediaType; + UInt16 LoadSegment; + /* This is the load segment for the initial boot image. If this + value is 0 the system will use the traditional segment of 7C0. If this value + is non-zero the system will use the specified segment. This applies to x86 + architectures only. For "flat" model architectures (such as Motorola) this + is the address divided by 10. */ + Byte SystemType; // This must be a copy of byte 5 (System Type) from the + // Partition Table found in the boot image. + UInt16 SectorCount; // This is the number of virtual/emulated sectors the system + // will store at Load Segment during the initial boot procedure. + UInt32 LoadRBA; // This is the start address of the virtual disk. CD’s use + // Relative/Logical block addressing. + + UInt64 GetSize() const + { + // if (BootMediaType == NBootMediaType::k1d44Floppy) (1440 << 10); + return SectorCount * 512; + } + + UString GetName() const + { + UString s; + if (Bootable) + s += L"Bootable"; + else + s += L"NotBootable"; + s += L"_"; + if (BootMediaType >= kNumBootMediaTypes) + { + wchar_t name[16]; + ConvertUInt32ToString(BootMediaType, name); + s += name; + } + else + s += kMediaTypes[BootMediaType]; + s += L".img"; + return s; + } +}; + +struct CVolumeDescriptor +{ + Byte VolFlags; + Byte SystemId[32]; // a-characters. An identification of a system + // which can recognize and act upon the content of the Logical + // Sectors with logical Sector Numbers 0 to 15 of the volume. + Byte VolumeId[32]; // d-characters. An identification of the volume. + UInt32 VolumeSpaceSize; // the number of Logical Blocks in which the Volume Space of the volume is recorded + Byte EscapeSequence[32]; + UInt16 VolumeSetSize; + UInt16 VolumeSequenceNumber; // the ordinal number of the volume in the Volume Set of which the volume is a member. + UInt16 LogicalBlockSize; + UInt32 PathTableSize; + UInt32 LPathTableLocation; + UInt32 LOptionalPathTableLocation; + UInt32 MPathTableLocation; + UInt32 MOptionalPathTableLocation; + CDirRecord RootDirRecord; + Byte VolumeSetId[128]; + Byte PublisherId[128]; + Byte DataPreparerId[128]; + Byte ApplicationId[128]; + Byte CopyrightFileId[37]; + Byte AbstractFileId[37]; + Byte BibFileId[37]; + CDateTime CTime; + CDateTime MTime; + CDateTime ExpirationTime; + CDateTime EffectiveTime; + Byte FileStructureVersion; // = 1; + Byte ApplicationUse[512]; + + bool IsJoliet() const + { + if ((VolFlags & 1) != 0) + return false; + Byte b = EscapeSequence[2]; + return (EscapeSequence[0] == 0x25 && EscapeSequence[1] == 0x2F && + (b == 0x40 || b == 0x43 || b == 0x45)); + } +}; + +struct CRef +{ + CDir *Dir; + UInt32 Index; +}; + +const UInt32 kBlockSize = 1 << 11; + +class CInArchive +{ + CMyComPtr _stream; + UInt64 _position; + + Byte m_Buffer[kBlockSize]; + UInt32 m_BufferPos; + + CDir _rootDir; + bool _bootIsDefined; + CBootRecordDescriptor _bootDesc; + + void Skip(size_t size); + void SkipZeros(size_t size); + Byte ReadByte(); + void ReadBytes(Byte *data, UInt32 size); + UInt16 ReadUInt16Spec(); + UInt16 ReadUInt16(); + UInt32 ReadUInt32Le(); + UInt32 ReadUInt32Be(); + UInt32 ReadUInt32(); + UInt64 ReadUInt64(); + UInt32 ReadDigits(int numDigits); + void ReadDateTime(CDateTime &d); + void ReadRecordingDateTime(CRecordingDateTime &t); + void ReadDirRecord2(CDirRecord &r, Byte len); + void ReadDirRecord(CDirRecord &r); + + void ReadBootRecordDescriptor(CBootRecordDescriptor &d); + void ReadVolumeDescriptor(CVolumeDescriptor &d); + + void SeekToBlock(UInt32 blockIndex); + void ReadDir(CDir &d, int level); + void CreateRefs(CDir &d); + + void ReadBootInfo(); + HRESULT Open2(); +public: + HRESULT Open(IInStream *inStream); + void Clear(); + + UInt64 _archiveSize; + + CRecordVector Refs; + CObjectVector VolDescs; + int MainVolDescIndex; + UInt32 BlockSize; + CObjectVector BootEntries; + bool IncorrectBigEndian; + + + bool IsJoliet() const { return VolDescs[MainVolDescIndex].IsJoliet(); } + + UInt64 GetBootItemSize(int index) const + { + const CBootInitialEntry &be = BootEntries[index]; + UInt64 size = be.GetSize(); + if (be.BootMediaType == NBootMediaType::k1d2Floppy) + size = (1200 << 10); + else if (be.BootMediaType == NBootMediaType::k1d44Floppy) + size = (1440 << 10); + else if (be.BootMediaType == NBootMediaType::k2d88Floppy) + size = (2880 << 10); + UInt64 startPos = be.LoadRBA * BlockSize; + if (startPos < _archiveSize) + { + if (_archiveSize - startPos < size) + size = _archiveSize - startPos; + } + return size; + } + + bool IsSusp; + int SuspSkipSize; +}; + +}} + +#endif -- cgit v1.2.3