private DateTime GetDateTime(ZipExtraData extraData)
{
// Check for NT timestamp
// NOTE: Disable by default to match behavior of InfoZIP
#if RESPECT_NT_TIMESTAMP
NTTaggedData ntData = extraData.GetData <NTTaggedData>();
if (ntData != null)
{
return(ntData.LastModificationTime);
}
#endif
// Check for Unix timestamp
ExtendedUnixData unixData = extraData.GetData <ExtendedUnixData>();
if (unixData != null &&
// Only apply modification time, but require all other values to be present
// This is done to match InfoZIP's behaviour
((unixData.Include & ExtendedUnixData.Flags.ModificationTime) != 0) &&
((unixData.Include & ExtendedUnixData.Flags.AccessTime) != 0) &&
((unixData.Include & ExtendedUnixData.Flags.CreateTime) != 0))
{
return(unixData.ModificationTime);
}
// Fall back to DOS time
uint sec = Math.Min(59, 2 * (dosTime & 0x1f));
uint min = Math.Min(59, (dosTime >> 5) & 0x3f);
uint hrs = Math.Min(23, (dosTime >> 11) & 0x1f);
uint mon = Math.Max(1, Math.Min(12, ((dosTime >> 21) & 0xf)));
uint year = ((dosTime >> 25) & 0x7f) + 1980;
int day = Math.Max(1, Math.Min(DateTime.DaysInMonth((int)year, (int)mon), (int)((dosTime >> 16) & 0x1f)));
return(new DateTime((int)year, (int)mon, day, (int)hrs, (int)min, (int)sec, DateTimeKind.Utc));
}
private DateTime GetDateTime(ZipExtraData extraData)
{
ExtendedUnixData data = extraData.GetData <ExtendedUnixData>();
if (data != null && (byte)(data.Include & ExtendedUnixData.Flags.ModificationTime) != 0 && (byte)(data.Include & ExtendedUnixData.Flags.AccessTime) != 0 && (byte)(data.Include & ExtendedUnixData.Flags.CreateTime) != 0)
{
return(data.ModificationTime);
}
uint second = Math.Min(59u, 2u * (this.dosTime & 31u));
uint minute = Math.Min(59u, this.dosTime >> 5 & 63u);
uint hour = Math.Min(23u, this.dosTime >> 11 & 31u);
uint month = Math.Max(1u, Math.Min(12u, this.dosTime >> 21 & 15u));
uint year = (this.dosTime >> 25 & 127u) + 1980u;
int day = Math.Max(1, Math.Min(DateTime.DaysInMonth((int)year, (int)month), (int)(this.dosTime >> 16 & 31u)));
return(new DateTime((int)year, (int)month, day, (int)hour, (int)minute, (int)second, DateTimeKind.Utc));
}
private DateTime GetDateTime(ZipExtraData extraData)
{
ExtendedUnixData data = extraData.GetData <ExtendedUnixData>();
if (data != null && (data.Include & ExtendedUnixData.Flags.ModificationTime) != 0 && (data.Include & ExtendedUnixData.Flags.AccessTime) != 0 && (data.Include & ExtendedUnixData.Flags.CreateTime) != 0)
{
return(data.ModificationTime);
}
uint second = Math.Min(59u, 2 * (dosTime & 0x1F));
uint minute = Math.Min(59u, (dosTime >> 5) & 0x3F);
uint hour = Math.Min(23u, (dosTime >> 11) & 0x1F);
uint month = Math.Max(1u, Math.Min(12u, (dosTime >> 21) & 0xF));
uint year = ((dosTime >> 25) & 0x7F) + 1980;
int day = Math.Max(1, Math.Min(DateTime.DaysInMonth((int)year, (int)month), (int)((dosTime >> 16) & 0x1F)));
return(new DateTime((int)year, (int)month, day, (int)hour, (int)minute, (int)second, DateTimeKind.Utc));
}
private static ITaggedData Create(short tag, byte[] data, int offset, int count)
{
ITaggedData result = null;
switch (tag)
{
case 0x000A:
result = new NTTaggedData();
break;
case 0x5455:
result = new ExtendedUnixData();
break;
default:
result = new RawTaggedData(tag);
break;
}
result.SetData(data, offset, count);
return(result);
}
private static ITaggedData Create(short tag, byte[] data, int offset, int count)
{
ITaggedData taggedData = null;
switch (tag)
{
case 10:
taggedData = new NTTaggedData();
break;
case 21589:
taggedData = new ExtendedUnixData();
break;
default:
taggedData = new RawTaggedData(tag);
break;
}
taggedData.SetData(data, offset, count);
return(taggedData);
}
private static ITaggedData Create(short tag, byte[] data, int offset, int count)
{
ITaggedData data2 = null;
switch (tag)
{
case 10:
data2 = new NTTaggedData();
break;
case 0x5455:
data2 = new ExtendedUnixData();
break;
default:
data2 = new RawTaggedData(tag);
break;
}
data2.SetData(data, offset, count);
return(data2);
}
private static DateTime?GetDateTime(ZipExtraData extraData)
{
// Check for NT timestamp
// NOTE: Disable by default to match behavior of InfoZIP
#if RESPECT_NT_TIMESTAMP
NTTaggedData ntData = extraData.GetData <NTTaggedData>();
if (ntData != null)
{
return(ntData.LastModificationTime);
}
#endif
// Check for Unix timestamp
ExtendedUnixData unixData = extraData.GetData <ExtendedUnixData>();
if (unixData != null && unixData.Include.HasFlag(ExtendedUnixData.Flags.ModificationTime))
{
return(unixData.ModificationTime);
}
return(null);
}
private ITaggedData Create(short tag, byte[] data, int offset, int count)
{
ITaggedData data2 = null;
switch (tag)
{
case 10:
data2 = new NTTaggedData();
break;
case 0x5455:
data2 = new ExtendedUnixData();
break;
default:
data2 = new RawTaggedData(tag);
break;
}
data2.SetData(this.data_, this.readValueStart_, this.readValueLength_);
return(data2);
}
private static ITaggedData Create(short tag, byte[] data, int offset, int count)
{
ITaggedData taggedData;
if (tag != 10)
{
if (tag != 21589)
{
taggedData = new RawTaggedData(tag);
}
else
{
taggedData = new ExtendedUnixData();
}
}
else
{
taggedData = new NTTaggedData();
}
taggedData.SetData(data, offset, count);
return(taggedData);
}
static ITaggedData Create(short tag, byte[] data, int offset, int count)
{
ITaggedData result = null;
switch ( tag )
{
case 0x000A:
result = new NTTaggedData();
break;
case 0x5455:
result = new ExtendedUnixData();
break;
default:
result = new RawTaggedData(tag);
break;
}
result.SetData(data, offset, count);
return result;
}
public void TaggedDataHandling()
{
NTTaggedData tagData = new NTTaggedData();
DateTime modTime = tagData.LastModificationTime;
byte[] rawData = tagData.GetData();
tagData.LastModificationTime = tagData.LastModificationTime + TimeSpan.FromSeconds(40);
Assert.AreNotEqual(tagData.LastModificationTime, modTime);
tagData.SetData(rawData, 0, rawData.Length);
Assert.AreEqual(10, tagData.TagID, "TagID mismatch");
Assert.AreEqual(modTime, tagData.LastModificationTime, "NT Mod time incorrect");
tagData.CreateTime=DateTime.FromFileTimeUtc(0);
tagData.LastAccessTime=new DateTime(9999, 12, 31, 23, 59, 59);
rawData=tagData.GetData();
ExtendedUnixData unixData = new ExtendedUnixData();
modTime = unixData.ModificationTime;
unixData.ModificationTime=modTime; // Ensure flag is set.
rawData = unixData.GetData();
unixData.ModificationTime += TimeSpan.FromSeconds(100);
Assert.AreNotEqual(unixData.ModificationTime, modTime);
unixData.SetData(rawData, 0, rawData.Length);
Assert.AreEqual(0x5455, unixData.TagID, "TagID mismatch");
Assert.AreEqual(modTime, unixData.ModificationTime, "Unix mod time incorrect");
}
private static ITaggedData Create(short tag, byte[] data, int offset, int count)
{
ITaggedData taggedData;
if (tag != 10)
{
if (tag != 21589)
{
taggedData = new RawTaggedData(tag);
}
else
{
taggedData = new ExtendedUnixData();
}
}
else
{
taggedData = new NTTaggedData();
}
taggedData.SetData(data, offset, count);
return taggedData;
}
