public static EOCD Parse(Byte[] bytes)
{
var pos = FindEOCD(bytes);
using (var ms = new MemoryStream(bytes, pos, bytes.Length - pos, false))
using (var r = new BinaryReader(ms))
{
var sig = r.ReadInt32();
if (sig != 0x06054b50)
{
throw new ZipParseException("invalid eocd signature: " + sig);
}
var eocd = new EOCD
{
NumberOfThisDisk = r.ReadUInt16(),
DiskWhereCentralDirectoryStarts = r.ReadUInt16(),
NumberOfCentralDirectoryRecordsOnThisDisk = r.ReadUInt16(),
TotalNumberOfCentralDirectoryRecords = r.ReadUInt16(),
SizeOfCentralDirectoryBytes = r.ReadInt32(),
OffsetOfStartOfCentralDirectory = r.ReadInt32(),
};
var commentLength = r.ReadUInt16();
var commentBytes = r.ReadBytes(commentLength);
eocd.Comment = Encoding.ASCII.GetString(commentBytes);
return(eocd);
}
}
public static ZipArchiveStorage Parse(byte[] bytes)
{
var eocd = EOCD.Parse(bytes);
var archive = new ZipArchiveStorage();
var pos = eocd.OffsetOfStartOfCentralDirectory;
for (int i = 0; i < eocd.NumberOfCentralDirectoryRecordsOnThisDisk; ++i)
{
var file = new CentralDirectoryFileHeader(bytes, pos);
archive.Entries.Add(file);
pos += file.Length;
}
return(archive);
}