public void RecompressXap(UpdateableXapFile xap)
{
xap.Load();
Tuple<long, long> recompressed = xap.Recompress();
if (recompressed.Item1 > recompressed.Item2)
{
_console.WriteLine(Output.RecompressSucceeded,
StorageUtil.PrettyPrintBytes(recompressed.Item1),
StorageUtil.PrettyPrintBytes(recompressed.Item1 - recompressed.Item2));
}
else
{
_console.WriteLine(Output.RecompressCanceled);
}
}
public void ReduceXap(Options options)
{
long oldSize = _fileSystem.FileSize(options.Input);
WritableXapFile xap;
if (options.Output != null)
{
xap = new RecreatedXapFile(options.Input, options.Output, _fileSystem);
}
else
{
xap = new UpdateableXapFile(options.Input, _fileSystem);
}
using (xap)
{
// Get a list of redundant assemblies: identical files that exist in both input and source XAPs
List<AssemblyPartInfo> redundantAssemblyParts = GetRedundantAssemblyParts(options.Sources, xap).ToList();
// Get satellite assemblies (resources) for redundant assemblies
var redundantResources = redundantAssemblyParts.SelectMany(ap => GetResourceAssemblyParts(ap, xap)).ToList();
// Merge the two lists. Note that it can contain duplicates when a resource file exists in both
// input and source XAPs, while at the same time the main assembly is also redundant.
redundantAssemblyParts = redundantAssemblyParts.Union(redundantResources).ToList();
_console.WriteLine(Output.RedundantAssemblyParts, redundantAssemblyParts.Count);
_console.Write(Environment.NewLine);
RemoveAssemblyParts(xap, redundantAssemblyParts);
xap.Save();
xap.Close();
long newSize = _fileSystem.FileSize(options.Input);
_console.Write(Environment.NewLine);
_console.WriteLine(Program.ReportFileSizeReduction(oldSize, newSize));
if (options.Recompress)
{
RecompressXap((UpdateableXapFile)xap);
}
}
}