/// <summary>Apply a flag to all commits matching the specified filter.</summary>
/// <remarks>
/// Apply a flag to all commits matching the specified filter.
/// <p>
/// This version allows incremental testing and application, such as from a
/// background thread that needs to periodically halt processing and send
/// updates to the UI.
/// </remarks>
/// <param name="matching">
/// the filter to test commits with. If the filter includes a
/// commit it will have the flag set; if the filter does not
/// include the commit the flag will be unset.
/// </param>
/// <param name="flag">
/// the flag to apply (or remove). Applications are responsible
/// for allocating this flag from the source RevWalk.
/// </param>
/// <param name="rangeBegin">
/// first commit within the list to begin testing at, inclusive.
/// Must not be negative, but may be beyond the end of the list.
/// </param>
/// <param name="rangeEnd">
/// last commit within the list to end testing at, exclusive. If
/// smaller than or equal to <code>rangeBegin</code> then no
/// commits will be tested.
/// </param>
/// <exception cref="System.IO.IOException">
/// revision filter needed to read additional objects, but an
/// error occurred while reading the pack files or loose objects
/// of the repository.
/// </exception>
/// <exception cref="NGit.Errors.IncorrectObjectTypeException">
/// revision filter needed to read additional objects, but an
/// object was not of the correct type. Repository corruption may
/// have occurred.
/// </exception>
/// <exception cref="NGit.Errors.MissingObjectException">
/// revision filter needed to read additional objects, but an
/// object that should be present was not found. Repository
/// corruption may have occurred.
/// </exception>
public virtual void ApplyFlag(RevFilter matching, RevFlag flag, int rangeBegin, int
rangeEnd)
{
RevWalk w = flag.GetRevWalk();
rangeEnd = Math.Min(rangeEnd, Count);
while (rangeBegin < rangeEnd)
{
int index = rangeBegin;
RevObjectListBlock s = contents;
while (s.shift > 0)
{
int i = index >> s.shift;
index -= i << s.shift;
s = (RevObjectListBlock)s.contents[i];
}
while (rangeBegin++ < rangeEnd && index < BLOCK_SIZE)
{
RevCommit c = (RevCommit)s.contents[index++];
if (matching.Include(w, c))
{
c.Add(flag);
}
else
{
c.Remove(flag);
}
}
}
}
public virtual void TestRemoveRevFlag()
{
RevCommit a = Commit();
RevFlag flag1 = rw.NewFlag("flag1");
RevFlag flag2 = rw.NewFlag("flag2");
a.Add(flag1);
a.Add(flag2);
NUnit.Framework.Assert.AreEqual(flag1.mask | flag2.mask, a.flags);
a.Remove(flag2);
NUnit.Framework.Assert.AreEqual(flag1.mask, a.flags);
}
