public TarEntry GetNextEntry()
{
if (hasHitEOF)
{
return(null);
}
if (currentEntry != null)
{
SkipToNextEntry();
}
byte[] array = tarBuffer.ReadBlock();
if (array == null)
{
hasHitEOF = true;
}
else
{
hasHitEOF |= TarBuffer.IsEndOfArchiveBlock(array);
}
if (!hasHitEOF)
{
try
{
TarHeader tarHeader = new TarHeader();
tarHeader.ParseBuffer(array);
if (!tarHeader.IsChecksumValid)
{
throw new TarException("Header checksum is invalid");
}
entryOffset = 0L;
entrySize = tarHeader.Size;
StringBuilder stringBuilder = null;
if (tarHeader.TypeFlag == 76)
{
byte[] array2 = new byte[512];
long num = entrySize;
stringBuilder = new StringBuilder();
while (num > 0)
{
int num2 = Read(array2, 0, (int)((num > array2.Length) ? array2.Length : num));
if (num2 == -1)
{
throw new InvalidHeaderException("Failed to read long name entry");
}
stringBuilder.Append(TarHeader.ParseName(array2, 0, num2).ToString());
num -= num2;
}
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag == 103)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag == 120)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag == 86)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag != 48 && tarHeader.TypeFlag != 0 && tarHeader.TypeFlag != 49 && tarHeader.TypeFlag != 50 && tarHeader.TypeFlag != 53)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
if (entryFactory == null)
{
currentEntry = new TarEntry(array);
if (stringBuilder != null)
{
currentEntry.Name = stringBuilder.ToString();
}
}
else
{
currentEntry = entryFactory.CreateEntry(array);
}
entryOffset = 0L;
entrySize = currentEntry.Size;
}
catch (InvalidHeaderException ex)
{
entrySize = 0L;
entryOffset = 0L;
currentEntry = null;
throw new InvalidHeaderException($"Bad header in record {tarBuffer.CurrentRecord} block {tarBuffer.CurrentBlock} {ex.Message}");
}
}
else
{
currentEntry = null;
}
return(currentEntry);
}
public TarEntry GetNextEntry()
{
//IL_00a6: Unknown result type (might be due to invalid IL or missing references)
//IL_00ac: Expected O, but got Unknown
if (hasHitEOF)
{
return(null);
}
if (currentEntry != null)
{
SkipToNextEntry();
}
byte[] array = tarBuffer.ReadBlock();
if (array == null)
{
hasHitEOF = true;
}
else if (TarBuffer.IsEndOfArchiveBlock(array))
{
hasHitEOF = true;
}
if (hasHitEOF)
{
currentEntry = null;
}
else
{
try
{
TarHeader tarHeader = new TarHeader();
tarHeader.ParseBuffer(array);
if (!tarHeader.IsChecksumValid)
{
throw new TarException("Header checksum is invalid");
}
entryOffset = 0L;
entrySize = tarHeader.Size;
StringBuilder val = null;
if (tarHeader.TypeFlag == 76)
{
byte[] array2 = new byte[512];
long num = entrySize;
val = new StringBuilder();
while (num > 0)
{
int num2 = ((Stream)this).Read(array2, 0, (int)((num > array2.Length) ? array2.Length : num));
if (num2 == -1)
{
throw new InvalidHeaderException("Failed to read long name entry");
}
val.Append(((object)TarHeader.ParseName(array2, 0, num2)).ToString());
num -= num2;
}
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag == 103)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag == 120)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag == 86)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag != 48 && tarHeader.TypeFlag != 0 && tarHeader.TypeFlag != 53)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
if (entryFactory == null)
{
currentEntry = new TarEntry(array);
if (val != null)
{
currentEntry.Name = ((object)val).ToString();
}
}
else
{
currentEntry = entryFactory.CreateEntry(array);
}
entryOffset = 0L;
entrySize = currentEntry.Size;
}
catch (InvalidHeaderException ex)
{
entrySize = 0L;
entryOffset = 0L;
currentEntry = null;
string message = $"Bad header in record {tarBuffer.CurrentRecord} block {tarBuffer.CurrentBlock} {((global::System.Exception)(object)ex).get_Message()}";
throw new InvalidHeaderException(message);
}
}
return(currentEntry);
}
