/// <summary>
/// Deserializes raw data from zip directory entry into this object
/// </summary>
/// <param name="data">
/// The data.
/// </param>
/// <param name="offset">
/// The offset.
/// </param>
/// <param name="count">
/// The count.
/// </param>
public void SetData(byte[] data, int offset, int count)
{
using (var ms = new MemoryStream(data, offset, count, false))
using (var helperStream = new TaggedDataHelperStream(ms))
{
this.version = helperStream.ReadByte();
this.uidSize = helperStream.ReadByte();
this.Uid = this.uidSize == 4 ? helperStream.ReadLEInt() : helperStream.ReadLEShort();
this.gidSize = helperStream.ReadByte();
this.Gid = this.gidSize == 4 ? helperStream.ReadLEInt() : helperStream.ReadLEShort();
}
}
/// <summary>
/// Serializes this instance to byte array to write into zip directory.
/// </summary>
/// <returns>
/// Raw byte array to write into zip directory entry
/// </returns>
/// <exception cref="ZipException">
/// Unsupported integer size for Unix UID or GID
/// </exception>
public byte[] GetData()
{
using (var ms = new MemoryStream())
using (var helperStream = new TaggedDataHelperStream(ms))
{
helperStream.IsStreamOwner = false;
helperStream.WriteByte((byte)this.version);
helperStream.WriteByte((byte)this.uidSize);
switch (this.uidSize)
{
case 2:
helperStream.WriteLEShort(this.Uid);
break;
case 4:
helperStream.WriteLEInt(this.Uid);
break;
default:
throw new ZipException($"Unsupported integer size {this.uidSize} for Unix UID");
}
helperStream.WriteByte((byte)this.gidSize);
switch (this.gidSize)
{
case 2:
helperStream.WriteLEShort(this.Gid);
break;
case 4:
helperStream.WriteLEInt(this.Gid);
break;
default:
throw new ZipException($"Unsupported integer size {this.uidSize} for Unix GID");
}
return(ms.ToArray());
}
}
