/// <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)) {
helperStream.ReadLEInt(); // Reserved
while (helperStream.Position < helperStream.Length)
{
int ntfsTag = helperStream.ReadLEShort();
int ntfsLength = helperStream.ReadLEShort();
if (ntfsTag == 1)
{
if (ntfsLength >= 24)
{
long lastModificationTicks = helperStream.ReadLELong();
_lastModificationTime = DateTime.FromFileTimeUtc(lastModificationTicks);
long lastAccessTicks = helperStream.ReadLELong();
_lastAccessTime = DateTime.FromFileTimeUtc(lastAccessTicks);
long createTimeTicks = helperStream.ReadLELong();
_createTime = DateTime.FromFileTimeUtc(createTimeTicks);
}
break;
}
else
{
// An unknown NTFS tag so simply skip it.
helperStream.Seek(ntfsLength, SeekOrigin.Current);
}
}
}
}
/// <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
_flags = (Flags)helperStream.ReadByte();
if (((_flags & Flags.ModificationTime) != 0))
{
int iTime = helperStream.ReadLEInt();
_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 ((_flags & Flags.AccessTime) != 0)
{
int iTime = helperStream.ReadLEInt();
_lastAccessTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc) +
new TimeSpan(0, 0, 0, iTime, 0);
}
if ((_flags & Flags.CreateTime) != 0)
{
int iTime = helperStream.ReadLEInt();
_createTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc) +
new TimeSpan(0, 0, 0, iTime, 0);
}
}
}