/// <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 override E Set(int index, E element)
{
RevObjectListBlock s = contents;
while (index >> s.shift >= BLOCK_SIZE)
{
s = new RevObjectListBlock(s.shift + BLOCK_SHIFT);
s.contents[0] = contents;
contents = s;
}
while (s.shift > 0)
{
int i = index >> s.shift;
index -= i << s.shift;
if (s.contents[i] == null)
{
s.contents[i] = new RevObjectListBlock(s.shift - BLOCK_SHIFT);
}
s = (RevObjectListBlock)s.contents[i];
}
object old = s.contents[index];
s.contents[index] = element;
return((E)old);
}
/// <summary>Ensures all commits until the given commit are loaded.</summary>
/// <remarks>
/// Ensures all commits until the given commit are loaded. The revision
/// walker specified by
/// <see cref="RevCommitList{E}.Source(RevWalk)">RevCommitList<E>.Source(RevWalk)
/// </see>
/// is pumped until the
/// specified commit is loaded. Callers can test the final size of the list
/// by
/// <see cref="RevObjectList{E}.Count()">RevObjectList<E>.Count()</see>
/// to determine if the high water mark specified was met.
/// <p/>
/// </remarks>
/// <param name="commitToLoad">
/// commit the caller wants this list to contain when the fill
/// operation is complete.
/// </param>
/// <param name="highMark">
/// maximum number of commits the caller wants this list to
/// contain when the fill operation is complete. If highMark is 0
/// the walk is pumped until the specified commit or the end of
/// the walk is reached.
/// </param>
/// <exception cref="System.IO.IOException">
/// see
/// <see cref="RevWalk.Next()">RevWalk.Next()</see>
/// </exception>
/// <exception cref="NGit.Errors.IncorrectObjectTypeException">
/// see
/// <see cref="RevWalk.Next()">RevWalk.Next()</see>
/// </exception>
/// <exception cref="NGit.Errors.MissingObjectException">
/// see
/// <see cref="RevWalk.Next()">RevWalk.Next()</see>
/// </exception>
public virtual void FillTo(RevCommit commitToLoad, int highMark)
{
if (walker == null || commitToLoad == null || (highMark > 0 && size > highMark))
{
return;
}
RevCommit c = walker.Next();
if (c == null)
{
walker = null;
return;
}
Enter(size, (E)c);
AddItem((E)c);
while ((highMark == 0 || size <= highMark) && !c.Equals(commitToLoad))
{
int index = size;
RevObjectListBlock s = contents;
while (index >> s.shift >= BLOCK_SIZE)
{
s = new RevObjectListBlock(s.shift + BLOCK_SHIFT);
s.contents[0] = contents;
contents = s;
}
while (s.shift > 0)
{
int i = index >> s.shift;
index -= i << s.shift;
if (s.contents[i] == null)
{
s.contents[i] = new RevObjectListBlock(s.shift - BLOCK_SHIFT);
}
s = (RevObjectListBlock)s.contents[i];
}
object[] dst = s.contents;
while ((highMark == 0 || size <= highMark) && index < BLOCK_SIZE && !c.Equals(commitToLoad
))
{
c = walker.Next();
if (c == null)
{
walker = null;
return;
}
Enter(size++, (E)c);
dst[index++] = c;
}
}
}
public override E Get(int index)
{
RevObjectListBlock s = contents;
if (index >> s.shift >= 1024)
{
return(null);
}
while (s != null && s.shift > 0)
{
int i = index >> s.shift;
index -= i << s.shift;
s = (RevObjectListBlock)s.contents[i];
}
return(s != null ? (E)s.contents[index] : null);
}
// Never happen. The filter we use does not throw any
// exceptions, for any reason.
/// <summary>Find the next commit that has the given flag set.</summary>
/// <remarks>Find the next commit that has the given flag set.</remarks>
/// <param name="flag">the flag to test commits against.</param>
/// <param name="begin">
/// first commit index to test at. Applications may wish to begin
/// at 0, to test the first commit in the list.
/// </param>
/// <returns>
/// index of the first commit at or after index <code>begin</code>
/// that has the specified flag set on it; -1 if no match is found.
/// </returns>
public virtual int IndexOf(RevFlag flag, int begin)
{
while (begin < Count)
{
int index = begin;
RevObjectListBlock s = contents;
while (s.shift > 0)
{
int i = index >> s.shift;
index -= i << s.shift;
s = (RevObjectListBlock)s.contents[i];
}
while (begin++ < Count && index < BLOCK_SIZE)
{
RevCommit c = (RevCommit)s.contents[index++];
if (c.Has(flag))
{
return(begin);
}
}
}
return(-1);
}
/// <summary>Find the next commit that has the given flag set.</summary>
/// <remarks>Find the next commit that has the given flag set.</remarks>
/// <param name="flag">the flag to test commits against.</param>
/// <param name="begin">
/// first commit index to test at. Applications may wish to begin
/// at <code>size()-1</code>, to test the last commit in the
/// list.
/// </param>
/// <returns>
/// index of the first commit at or before index <code>begin</code>
/// that has the specified flag set on it; -1 if no match is found.
/// </returns>
public virtual int LastIndexOf(RevFlag flag, int begin)
{
begin = Math.Min(begin, Count - 1);
while (begin >= 0)
{
int index = begin;
RevObjectListBlock s = contents;
while (s.shift > 0)
{
int i = index >> s.shift;
index -= i << s.shift;
s = (RevObjectListBlock)s.contents[i];
}
while (begin-- >= 0 && index >= 0)
{
RevCommit c = (RevCommit)s.contents[index--];
if (c.Has(flag))
{
return(begin);
}
}
}
return(-1);
}
public override void Clear()
{
contents = new RevObjectListBlock(0);
size = 0;
}
