/// <summary>
/// Get the binary data representing this instance.
/// </summary>
/// <returns>The raw binary data representing this instance.</returns>
public byte[] GetData()
{
using (MemoryStream ms = new MemoryStream())
using (ZipHelperStream helperStream = new ZipHelperStream(ms))
{
helperStream.IsStreamOwner = false;
helperStream.WriteLEInt(0); // Reserved
helperStream.WriteLEShort(1); // Tag
helperStream.WriteLEShort(24); // Length = 3 x 8.
helperStream.WriteLELong(this._lastModificationTime.ToFileTimeUtc());
helperStream.WriteLELong(this._lastAccessTime.ToFileTimeUtc());
helperStream.WriteLELong(this._createTime.ToFileTimeUtc());
return(ms.ToArray());
}
}
/// <summary>
/// Set the data from the raw values provided.
/// </summary>
/// <param name="data">The raw data to extract values from.</param>
/// <param name="index">The index to start extracting values from.</param>
/// <param name="count">The number of bytes available.</param>
public void SetData(byte[] data, int index, int count)
{
using (MemoryStream ms = new MemoryStream(data, index, count, false))
using (ZipHelperStream helperStream = new ZipHelperStream(ms))
{
// bit 0 if set, modification time is present
// bit 1 if set, access time is present
// bit 2 if set, creation time is present
this._flags = (Flags)helperStream.ReadByte();
if (((this._flags & Flags.ModificationTime) != 0))
{
int iTime = helperStream.ReadLEInt();
this._modificationTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc) +
new TimeSpan(0, 0, 0, iTime, 0);
// Central-header version is truncated after modification time
if (count <= 5)
{
return;
}
}
if ((this._flags & Flags.AccessTime) != 0)
{
int iTime = helperStream.ReadLEInt();
this._lastAccessTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc) +
new TimeSpan(0, 0, 0, iTime, 0);
}
if ((this._flags & Flags.CreateTime) != 0)
{
int iTime = helperStream.ReadLEInt();
this._createTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc) +
new TimeSpan(0, 0, 0, iTime, 0);
}
}
}
