public void Test_COMPRESS_SPACE()
{
String FILENAME = "MultipleStorage3.cfs"; // 22Kb
FileInfo srcFile = new FileInfo(FILENAME);
File.Copy(FILENAME, "MultipleStorage_Deleted_Compress.cfs", true);
CompoundFile cf = new CompoundFile("MultipleStorage_Deleted_Compress.cfs", CFSUpdateMode.Update, CFSConfiguration.SectorRecycle | CFSConfiguration.EraseFreeSectors);
CFStorage st = cf.RootStorage.GetStorage("MyStorage");
st = st.GetStorage("AnotherStorage");
Assert.IsNotNull(st);
st.Delete("Another2Stream");
cf.Commit();
cf.Close();
CompoundFile.ShrinkCompoundFile("MultipleStorage_Deleted_Compress.cfs"); // -> 7Kb
FileInfo dstFile = new FileInfo("MultipleStorage_Deleted_Compress.cfs");
Assert.IsTrue(srcFile.Length > dstFile.Length);
}
private void HandleFile(FileStream fs, string fileName)
{
var type = GetApplicationName(fileName);
using (var cf = new CompoundFile(fs, CFSUpdateMode.Update, CFSConfiguration.SectorRecycle | CFSConfiguration.NoValidationException | CFSConfiguration.EraseFreeSectors)) {
CFStorage storage = cf.RootStorage;
int numDeleted = 0;
Action <CFItem> va = delegate(CFItem target) {
bool doFilter = ContainsPattern(storage, target.Name);
bool canFilter = !"DestList".Equals(target.Name);
if (doFilter)
{
if (canFilter)
{
Logger.Debug($"Deleting {target.Name} from {fileName} {type}");
storage.Delete(target.Name);
numDeleted++;
}
else
{
Logger.Debug($"Found but skipping {target.Name} from {fileName}");
}
}
};
storage.VisitEntries(va, false);
if (numDeleted > 0)
{
cf.Commit();
Logger.Debug($"Modifying {fileName}, deleted {numDeleted} entries");
}
}
}
static void DeleteStorageChildren(CFStorage target)
{
target.VisitEntries(i => {
if (i.IsStorage)
{
DeleteStorageChildren((CFStorage)i);
}
target.Delete(i.Name);
}, false);
}
public void Test_DELETE_STREAM_1()
{
String filename = "MultipleStorage.cfs";
CompoundFile cf = new CompoundFile(filename);
CFStorage cfs = cf.RootStorage.GetStorage("MyStorage");
cfs.Delete("MySecondStream");
cf.Save(TestContext.CurrentContext.WorkDirectory + "MultipleStorage_REMOVED_STREAM_1.cfs");
cf.Close();
}
public void Test_DELETE_STREAM_2()
{
String filename = "MultipleStorage.cfs";
CompoundFile cf = new CompoundFile(filename);
CFStorage cfs = cf.RootStorage.GetStorage("MyStorage").GetStorage("AnotherStorage");
cfs.Delete("AnotherStream");
cf.Save(TestContext + "MultipleStorage_REMOVED_STREAM_2.cfs");
cf.Close();
}
public void Test_DELETE_DIRECTORY()
{
String FILENAME = "MultipleStorage2.cfs";
CompoundFile cf = new CompoundFile(FILENAME, CFSUpdateMode.ReadOnly, CFSConfiguration.Default);
CFStorage st = cf.RootStorage.GetStorage("MyStorage");
Assert.IsNotNull(st);
st.Delete("AnotherStorage");
cf.Save("MultipleStorage_Delete.cfs");
cf.Close();
}
public void Test_DELETE_MINISTREAM_STREAM()
{
String FILENAME = "MultipleStorage2.cfs";
CompoundFile cf = new CompoundFile(FILENAME);
CFStorage found = null;
Action <CFItem> action = delegate(CFItem item) { if (item.Name == "AnotherStorage")
{
found = item as CFStorage;
}
};
cf.RootStorage.VisitEntries(action, true);
Assert.IsNotNull(found);
found.Delete("AnotherStream");
cf.Save("MultipleDeleteMiniStream");
cf.Close();
}
public void Test_DELETE_WITHOUT_COMPRESSION()
{
String FILENAME = "MultipleStorage3.cfs";
FileInfo srcFile = new FileInfo(FILENAME);
CompoundFile cf = new CompoundFile(FILENAME);
CFStorage st = cf.RootStorage.GetStorage("MyStorage");
st = st.GetStorage("AnotherStorage");
Assert.IsNotNull(st);
st.Delete("Another2Stream"); //17Kb
//cf.CompressFreeSpace();
cf.Save("MultipleStorage_Deleted_Compress.cfs");
cf.Close();
FileInfo dstFile = new FileInfo("MultipleStorage_Deleted_Compress.cfs");
Assert.IsFalse(srcFile.Length > dstFile.Length);
}
