void COutArchive::WriteLocalHeader(const CLocalItem &item)
{
SeekTo(m_BasePosition);
bool isZip64 = m_IsZip64 || item.PackSize >= 0xFFFFFFFF || item.UnPackSize >= 0xFFFFFFFF;
WriteUInt32(NSignature::kLocalFileHeader);
{
Byte ver = item.ExtractVersion.Version;
if (isZip64 && ver < NFileHeader::NCompressionMethod::kExtractVersion_Zip64)
ver = NFileHeader::NCompressionMethod::kExtractVersion_Zip64;
WriteByte(ver);
}
WriteByte(item.ExtractVersion.HostOS);
WriteUInt16(item.Flags);
WriteUInt16(item.CompressionMethod);
WriteUInt32(item.Time);
WriteUInt32(item.FileCRC);
WriteUInt32(isZip64 ? 0xFFFFFFFF: (UInt32)item.PackSize);
WriteUInt32(isZip64 ? 0xFFFFFFFF: (UInt32)item.UnPackSize);
WriteUInt16((UInt16)item.Name.Length());
{
UInt16 localExtraSize = (UInt16)((isZip64 ? (4 + 16): 0) + item.LocalExtra.GetSize());
if (localExtraSize > m_ExtraSize)
throw CSystemException(E_FAIL);
}
WriteUInt16((UInt16)m_ExtraSize); // test it;
WriteBytes((const char *)item.Name, item.Name.Length());
UInt32 extraPos = 0;
if (isZip64)
{
extraPos += 4 + 16;
WriteUInt16(NFileHeader::NExtraID::kZip64);
WriteUInt16(16);
WriteUInt64(item.UnPackSize);
WriteUInt64(item.PackSize);
}
WriteExtra(item.LocalExtra);
extraPos += (UInt32)item.LocalExtra.GetSize();
for (; extraPos < m_ExtraSize; extraPos++)
WriteByte(0);
m_OutBuffer.FlushWithCheck();
MoveBasePosition(item.PackSize);
SeekTo(m_BasePosition);
}
void COutArchive::WriteCentralHeader(const CItem &item)
{
bool isUnPack64 = item.UnPackSize >= 0xFFFFFFFF;
bool isPack64 = item.PackSize >= 0xFFFFFFFF;
bool isPosition64 = item.LocalHeaderPosition >= 0xFFFFFFFF;
bool isZip64 = isPack64 || isUnPack64 || isPosition64;
WriteUInt32(NSignature::kCentralFileHeader);
WriteByte(item.MadeByVersion.Version);
WriteByte(item.MadeByVersion.HostOS);
WriteByte(item.ExtractVersion.Version);
WriteByte(item.ExtractVersion.HostOS);
WriteUInt16(item.Flags);
WriteUInt16(item.CompressionMethod);
WriteUInt32(item.Time);
WriteUInt32(item.FileCRC);
WriteUInt32(isPack64 ? 0xFFFFFFFF: (UInt32)item.PackSize);
WriteUInt32(isUnPack64 ? 0xFFFFFFFF: (UInt32)item.UnPackSize);
WriteUInt16((UInt16)item.Name.Length());
UInt16 zip64ExtraSize = (UInt16)((isUnPack64 ? 8: 0) + (isPack64 ? 8: 0) + (isPosition64 ? 8: 0));
UInt16 centralExtraSize = (UInt16)(isZip64 ? (4 + zip64ExtraSize) : 0);
centralExtraSize = (UInt16)(centralExtraSize + item.CentralExtra.GetSize());
WriteUInt16(centralExtraSize); // test it;
WriteUInt16((UInt16)item.Comment.GetCapacity());
WriteUInt16(0); // DiskNumberStart;
WriteUInt16(item.InternalAttributes);
WriteUInt32(item.ExternalAttributes);
WriteUInt32(isPosition64 ? 0xFFFFFFFF: (UInt32)item.LocalHeaderPosition);
WriteBytes((const char *)item.Name, item.Name.Length());
if (isZip64)
{
WriteUInt16(NFileHeader::NExtraID::kZip64);
WriteUInt16(zip64ExtraSize);
if(isUnPack64)
WriteUInt64(item.UnPackSize);
if(isPack64)
WriteUInt64(item.PackSize);
if(isPosition64)
WriteUInt64(item.LocalHeaderPosition);
}
WriteExtra(item.CentralExtra);
if (item.Comment.GetCapacity() > 0)
WriteBytes(item.Comment, (UInt32)item.Comment.GetCapacity());
}
void COutArchive::WriteCentralHeader(const CItem &item)
{
bool isUnPack64 = item.UnPackSize >= 0xFFFFFFFF;
bool isPack64 = item.PackSize >= 0xFFFFFFFF;
bool isPosition64 = item.LocalHeaderPosition >= 0xFFFFFFFF;
bool isZip64 = isPack64 || isUnPack64 || isPosition64;
WriteUInt32(NSignature::kCentralFileHeader);
WriteByte(item.MadeByVersion.Version);
WriteByte(item.MadeByVersion.HostOS);
{
Byte ver = item.ExtractVersion.Version;
if (isZip64 && ver < NFileHeader::NCompressionMethod::kExtractVersion_Zip64)
ver = NFileHeader::NCompressionMethod::kExtractVersion_Zip64;
WriteByte(ver);
}
WriteByte(item.ExtractVersion.HostOS);
WriteUInt16(item.Flags);
WriteUInt16(item.CompressionMethod);
WriteUInt32(item.Time);
WriteUInt32(item.FileCRC);
WriteUInt32(isPack64 ? 0xFFFFFFFF: (UInt32)item.PackSize);
WriteUInt32(isUnPack64 ? 0xFFFFFFFF: (UInt32)item.UnPackSize);
WriteUInt16((UInt16)item.Name.Length());
UInt16 zip64ExtraSize = (UInt16)((isUnPack64 ? 8: 0) + (isPack64 ? 8: 0) + (isPosition64 ? 8: 0));
const UInt16 kNtfsExtraSize = 4 + 2 + 2 + (3 * 8);
UInt16 centralExtraSize = (UInt16)(isZip64 ? (4 + zip64ExtraSize) : 0) + (item.NtfsTimeIsDefined ? (4 + kNtfsExtraSize) : 0);
centralExtraSize = (UInt16)(centralExtraSize + item.CentralExtra.GetSize());
WriteUInt16(centralExtraSize); // test it;
WriteUInt16((UInt16)item.Comment.GetCapacity());
WriteUInt16(0); // DiskNumberStart;
WriteUInt16(item.InternalAttributes);
WriteUInt32(item.ExternalAttributes);
WriteUInt32(isPosition64 ? 0xFFFFFFFF: (UInt32)item.LocalHeaderPosition);
WriteBytes((const char *)item.Name, item.Name.Length());
if (isZip64)
{
WriteUInt16(NFileHeader::NExtraID::kZip64);
WriteUInt16(zip64ExtraSize);
if(isUnPack64)
WriteUInt64(item.UnPackSize);
if(isPack64)
WriteUInt64(item.PackSize);
if(isPosition64)
WriteUInt64(item.LocalHeaderPosition);
}
if (item.NtfsTimeIsDefined)
{
WriteUInt16(NFileHeader::NExtraID::kNTFS);
WriteUInt16(kNtfsExtraSize);
WriteUInt32(0); // reserved
WriteUInt16(NFileHeader::NNtfsExtra::kTagTime);
WriteUInt16(8 * 3);
WriteUInt32(item.NtfsMTime.dwLowDateTime);
WriteUInt32(item.NtfsMTime.dwHighDateTime);
WriteUInt32(item.NtfsATime.dwLowDateTime);
WriteUInt32(item.NtfsATime.dwHighDateTime);
WriteUInt32(item.NtfsCTime.dwLowDateTime);
WriteUInt32(item.NtfsCTime.dwHighDateTime);
}
WriteExtra(item.CentralExtra);
if (item.Comment.GetCapacity() > 0)
WriteBytes(item.Comment, (UInt32)item.Comment.GetCapacity());
}
