/// <summary>
/// Push all of the data back. Note that LBA should only be applied once, otherwise they'll be wrong!
/// </summary>
private void PushDataBack(Dictionary <BuildDirectoryMember, uint> primaryLocationTable,
Dictionary <BuildDirectoryMember, uint> supplementaryLocationTable, List <BuilderExtent> fixedRegions,
long pushFilesBackAmt, int firstRegionIdx, bool applyLBA)
{
//Now that we just intruded by shoving the file tables in there, let's push back the files
Dictionary <BuildDirectoryMember, uint> rebuiltPrimary = new Dictionary <BuildDirectoryMember, uint>();
Dictionary <BuildDirectoryMember, uint> rebuiltSupplementary = new Dictionary <BuildDirectoryMember, uint>();
foreach (KeyValuePair <BuildDirectoryMember, uint> item in primaryLocationTable)
{
if (item.Key is BuildFileInfo || applyLBA) //The directory entries are in here too. :-(
{
rebuiltPrimary.Add(item.Key, (uint)(item.Value + (pushFilesBackAmt / IsoUtilities.SectorSize)) + (applyLBA ? _buildParams.LBAoffset : 0));
}
else
{
//Don't modify directories, those already have their moved offsets
rebuiltPrimary.Add(item.Key, item.Value + (applyLBA?_buildParams.LBAoffset:0));
}
}
primaryLocationTable.Clear();
foreach (KeyValuePair <BuildDirectoryMember, uint> item in rebuiltPrimary)
{
//Can't just do a simple re-assign, because Directory extents have a reference to it
primaryLocationTable.Add(item.Key, item.Value);
}
foreach (KeyValuePair <BuildDirectoryMember, uint> item in supplementaryLocationTable)
{
if (item.Key is BuildFileInfo || applyLBA)
{
rebuiltSupplementary.Add(item.Key, (uint)(item.Value + (pushFilesBackAmt / IsoUtilities.SectorSize)) + (applyLBA ? _buildParams.LBAoffset : 0));
}
else
{
rebuiltSupplementary.Add(item.Key, item.Value + (applyLBA ? _buildParams.LBAoffset : 0));
}
}
supplementaryLocationTable.Clear();
foreach (KeyValuePair <BuildDirectoryMember, uint> item in rebuiltSupplementary)
{
//Can't just do a simple re-assign, because Directory extents have a reference to it
supplementaryLocationTable.Add(item.Key, item.Value);
}
for (int i = firstRegionIdx; i < fixedRegions.Count; i++)
{
BuilderExtent extent = fixedRegions[i];
extent.Start += pushFilesBackAmt;
}
}
internal override List <BuilderExtent> FixExtents(out long totalLength)
{
List <BuilderExtent> result = new List <BuilderExtent>((_files.Count * 2) + 2);
long pos = 0;
foreach (BuildFileRecord file in _files)
{
BuilderExtent fileContentExtent = file.Fix(pos + TarHeader.Length);
result.Add(new TarHeaderExtent(pos, file.Name, fileContentExtent.Length));
pos += TarHeader.Length;
result.Add(fileContentExtent);
pos += Utilities.RoundUp(fileContentExtent.Length, 512);
}
// Two empty 512-byte blocks at end of tar file.
result.Add(new BuilderBufferExtent(pos, new byte[1024]));
totalLength = pos + 1024;
return(result);
}
protected override List <BuilderExtent> FixExtents(out long totalLength)
{
List <BuilderExtent> result = new List <BuilderExtent>(_files.Count * 2 + 2);
long pos = 0;
foreach (UnixBuildFileRecord file in _files)
{
BuilderExtent fileContentExtent = file.Fix(pos + TarHeader.Length);
result.Add(new TarHeaderExtent(
pos, file.Name, fileContentExtent.Length, file.FileMode, file.OwnerId, file.GroupId,
file.ModificationTime));
pos += TarHeader.Length;
result.Add(fileContentExtent);
pos += MathUtilities.RoundUp(fileContentExtent.Length, 512);
}
// Two empty 512-byte blocks at end of tar file.
result.Add(new BuilderBufferExtent(pos, new byte[1024]));
totalLength = pos + 1024;
return(result);
}
