91 lines
2.6 KiB
C#
91 lines
2.6 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Text;
|
|
|
|
namespace SharpCompress.Common.Zip.Headers
|
|
{
|
|
internal abstract class ZipFileEntry : ZipHeader
|
|
{
|
|
protected ZipFileEntry(ZipHeaderType type)
|
|
: base(type)
|
|
{
|
|
Extra = new List<ExtraData>();
|
|
}
|
|
|
|
|
|
internal bool IsDirectory
|
|
{
|
|
get { return Name.EndsWith("/"); }
|
|
}
|
|
|
|
protected string DecodeString(byte[] str)
|
|
{
|
|
if (FlagUtility.HasFlag(Flags, HeaderFlags.UTF8))
|
|
{
|
|
return Encoding.UTF8.GetString(str, 0, str.Length);
|
|
}
|
|
return ArchiveEncoding.Default.GetString(str, 0, str.Length);
|
|
}
|
|
|
|
protected byte[] EncodeString(string str)
|
|
{
|
|
if (FlagUtility.HasFlag(Flags, HeaderFlags.UTF8))
|
|
{
|
|
return Encoding.UTF8.GetBytes(str);
|
|
}
|
|
return ArchiveEncoding.Default.GetBytes(str);
|
|
}
|
|
|
|
internal Stream PackedStream { get; set; }
|
|
|
|
internal string Name { get; set; }
|
|
|
|
internal HeaderFlags Flags { get; set; }
|
|
|
|
internal ZipCompressionMethod CompressionMethod { get; set; }
|
|
|
|
internal uint CompressedSize { get; set; }
|
|
|
|
internal long? DataStartPosition { get; set; }
|
|
|
|
internal uint UncompressedSize { get; set; }
|
|
|
|
internal List<ExtraData> Extra { get; set; }
|
|
|
|
internal PkwareTraditionalEncryptionData PkwareTraditionalEncryptionData { get; set; }
|
|
#if !PORTABLE && !NETFX_CORE
|
|
internal WinzipAesEncryptionData WinzipAesEncryptionData { get; set; }
|
|
#endif
|
|
|
|
internal ushort LastModifiedDate { get; set; }
|
|
|
|
internal ushort LastModifiedTime { get; set; }
|
|
|
|
internal uint Crc { get; set; }
|
|
|
|
protected void LoadExtra(byte[] extra)
|
|
{
|
|
for (int i = 0; i < extra.Length;)
|
|
{
|
|
ExtraDataType type = (ExtraDataType) BitConverter.ToUInt16(extra, i);
|
|
if (!Enum.IsDefined(typeof (ExtraDataType), type))
|
|
{
|
|
return;
|
|
}
|
|
ushort length = BitConverter.ToUInt16(extra, i + 2);
|
|
byte[] data = new byte[length];
|
|
Buffer.BlockCopy(extra, i + 4, data, 0, length);
|
|
Extra.Add(new ExtraData
|
|
{
|
|
Type = type,
|
|
Length = length,
|
|
DataBytes = data
|
|
});
|
|
i += length + 4;
|
|
}
|
|
}
|
|
|
|
internal ZipFilePart Part { get; set; }
|
|
}
|
|
} |