/// <summary>
/// Find the next commit that has the given flag set.
/// </summary>
/// <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 int indexOf(RevFlag flag, int begin)
{
while (begin < Size)
{
int index = begin;
Block s = Contents;
while (s.Shift > 0)
{
int i = index >> s.Shift;
index -= i << s.Shift;
s = (Block)s.Contents[i];
}
while (begin++ < Size && index < BLOCK_SIZE)
{
var c = (RevCommit)s.Contents[index++];
if (c.has(flag))
{
return(begin);
}
}
}
return(-1);
}
/// <summary>
/// Apply a flag to all commits matching the specified filter.
///
/// 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.
/// </summary>
/// <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>
/// <remarks>
/// Revision filter needed to Read additional objects, but an
/// error occurred while reading the pack files or loose objects
/// of the repository.
/// </remarks>
public void applyFlag(RevFilter matching, RevFlag flag, int rangeBegin, int rangeEnd)
{
RevWalk w = flag.Walker;
rangeEnd = Math.Min(rangeEnd, Size);
while (rangeBegin < rangeEnd)
{
int index = rangeBegin;
Block s = Contents;
while (s.Shift > 0)
{
int i = index >> s.Shift;
index -= i << s.Shift;
s = (Block)s.Contents[i];
}
while (rangeBegin++ < rangeEnd && index < BLOCK_SIZE)
{
var c = (RevCommit)s.Contents[index++];
if (matching.include(w, c))
{
c.add(flag);
}
else
{
c.remove(flag);
}
}
}
}
/// <summary>
/// Find the next commit that has the given flag set.
/// </summary>
/// <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 int LastIndexOf(RevFlag flag, int begin)
{
begin = Math.Min(begin, Size - 1);
while (begin >= 0)
{
int index = begin;
Block s = Contents;
while (s.Shift > 0)
{
int i = index >> s.Shift;
index -= i << s.Shift;
s = (Block)s.Contents[i];
}
while (begin-- >= 0 && index >= 0)
{
var c = (RevCommit)s.Contents[index--];
if (c.has(flag))
{
return(begin);
}
}
}
return(-1);
}
/**
* Add a commit if it does not have a flag set yet, then set the flag.
* <para />
* This method permits the application to test if the commit has the given
* flag; if it does not already have the flag than the commit is added to
* the queue and the flag is set. This later will prevent the commit from
* being added twice.
*
* @param c
* commit to add.
* @param queueControl
* flag that controls admission to the queue.
*/
public void add(RevCommit c, RevFlag queueControl)
{
if (!c.has(queueControl))
{
c.add(queueControl);
add(c);
}
}
/**
* Add a commit if it does not have a flag set yet, then set the flag.
* <para />
* This method permits the application to test if the commit has the given
* flag; if it does not already have the flag than the commit is added to
* the queue and the flag is set. This later will prevent the commit from
* being added twice.
*
* @param c
* commit to add.
* @param queueControl
* flag that controls admission to the queue.
*/
public void add(RevCommit c, RevFlag queueControl)
{
if (!c.has(queueControl))
{
c.add(queueControl);
add(c);
}
}
/// <summary>
/// Carry a RevFlag set on this commit to its parents.
/// <para />
/// If this commit is parsed, has parents, and has the supplied flag set on
/// it we automatically add it to the parents, grand-parents, and so on until
/// an unparsed commit or a commit with no parents is discovered. This
/// permits applications to force a flag through the history chain when
/// necessary.
/// </summary>
/// <param name="flag">
/// The single flag value to carry back onto parents.
/// </param>
public void carry(RevFlag flag)
{
int carry = Flags & flag.Mask;
if (carry != 0)
{
carryFlags(this, carry);
}
}
public RefAdvertiser(PacketLineOut o, RevWalk.RevWalk protoWalk, RevFlag advertisedFlag)
{
_tmpLine = new StringBuilder(100);
_tmpId = new char[2 * Constants.OBJECT_ID_LENGTH];
_capabilities = new List<string>();
_first = true;
_pckOut = o;
_walk = protoWalk;
ADVERTISED = advertisedFlag;
}
/// <summary>
/// Remove the given flag from all commits.
///
/// This method is actually implemented in terms of:
/// <code>applyFlag(RevFilter.NONE, flag, rangeBegin, rangeEnd)</code>.
/// </summary>
/// <param name="flag">
/// The flag to remove. Applications are responsible for
/// allocating this flag from the source <see cref="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>
public void clearFlag(RevFlag flag, int rangeBegin, int rangeEnd)
{
try
{
applyFlag(RevFilter.NONE, flag, rangeBegin, rangeEnd);
}
catch (IOException)
{
// Never happen. The filter we use does not throw any
// exceptions, for any reason.
}
}
/// <summary>
/// Add a commit's parents if one does not have a flag set yet.
/// <para />
/// This method permits the application to test if the commit has the given
/// flag; if it does not already have the flag than the commit is added to
/// the queue and the flag is set. This later will prevent the commit from
/// being added twice.
/// </summary>
/// <param name="c">
/// commit whose parents should be added.
/// </param>
/// <param name="queueControl">
/// flag that controls admission to the queue.
/// </param>
public void addParents(RevCommit c, RevFlag queueControl)
{
RevCommit[] pList = c.Parents;
if (pList == null)
{
return;
}
foreach (RevCommit p in pList)
{
add(p, queueControl);
}
}
/// <summary>
/// Test to see if the flag has been set on this object.
/// </summary>
/// <param name="flag">the flag to test.</param>
/// <returns>
/// true if the flag has been added to this object; false if not.
/// </returns>
public bool has(RevFlag flag)
{
return((Flags & flag.Mask) != 0);
}
/// <summary>
/// Create a new pack upload for an open repository.
/// </summary>
/// <param name="copyFrom">the source repository.</param>
public UploadPack(Repository copyFrom)
{
_db = copyFrom;
_walk = new RevWalk.RevWalk(_db);
_walk.setRetainBody(false);
ADVERTISED = _walk.newFlag("ADVERTISED");
WANT = _walk.newFlag("WANT");
PEER_HAS = _walk.newFlag("PEER_HAS");
COMMON = _walk.newFlag("COMMON");
_walk.carry(PEER_HAS);
SAVE = new RevFlagSet { ADVERTISED, WANT, PEER_HAS };
_refFilter = RefFilterContants.DEFAULT;
}
public BasePackFetchConnection(IPackTransport packTransport)
: base(packTransport)
{
RepositoryConfig cfg = local.Config;
_includeTags = transport.TagOpt != TagOpt.NO_TAGS;
_thinPack = transport.FetchThin;
_allowOfsDelta = cfg.getBoolean("repack", "usedeltabaseoffset", true);
_walk = new RevWalk.RevWalk(local);
_reachableCommits = new RevCommitList<RevCommit>();
REACHABLE = _walk.newFlag("REACHABLE");
COMMON = _walk.newFlag("COMMON");
ADVERTISED = _walk.newFlag("ADVERTISED");
_walk.carry(COMMON);
_walk.carry(REACHABLE);
_walk.carry(ADVERTISED);
}
public NegotiateBeginRevFilter(RevFlag c, RevFlag a)
{
_common = c;
_advertised = a;
}
public WalkFetchConnection(IWalkTransport t, WalkRemoteObjectDatabase w)
{
_idBuffer = new MutableObjectId();
_objectDigest = Constants.newMessageDigest();
var wt = (Transport)t;
_local = wt.Local;
_objCheck = wt.CheckFetchedObjects ? new ObjectChecker() : null;
_remotes = new List<WalkRemoteObjectDatabase> { w };
_unfetchedPacks = new LinkedList<RemotePack>();
_packsConsidered = new List<string>();
_noPacksYet = new LinkedList<WalkRemoteObjectDatabase>();
_noPacksYet.AddFirst(w);
_noAlternatesYet = new LinkedList<WalkRemoteObjectDatabase>();
_noAlternatesYet.AddFirst(w);
_fetchErrors = new Dictionary<ObjectId, List<Exception>>();
_packLocks = new List<PackLock>(4);
_revWalk = new RevWalk.RevWalk(_local);
_treeWalk = new TreeWalk.TreeWalk(_local);
COMPLETE = _revWalk.newFlag("COMPLETE");
IN_WORK_QUEUE = _revWalk.newFlag("IN_WORK_QUEUE");
LOCALLY_SEEN = _revWalk.newFlag("LOCALLY_SEEN");
_localCommitQueue = new DateRevQueue();
_workQueue = new LinkedList<ObjectId>();
}
/// <summary>
/// Carry a RevFlag set on this commit to its parents.
/// <para />
/// If this commit is parsed, has parents, and has the supplied flag set on
/// it we automatically add it to the parents, grand-parents, and so on until
/// an unparsed commit or a commit with no parents is discovered. This
/// permits applications to force a flag through the history chain when
/// necessary.
/// </summary>
/// <param name="flag">
/// The single flag value to carry back onto parents.
/// </param>
public void carry(RevFlag flag)
{
int carry = Flags & flag.Mask;
if (carry != 0)
{
carryFlags(this, carry);
}
}
/// <summary>
/// Create a new pack upload for an open repository.
/// </summary>
/// <param name="copyFrom">the source repository.</param>
public UploadPack(Repository copyFrom)
{
_options = new List<string>();
_wantAll = new List<RevObject>();
_wantCommits = new List<RevCommit>();
_commonBase = new List<RevObject>();
_db = copyFrom;
_walk = new RevWalk.RevWalk(_db);
_walk.setRetainBody(false);
ADVERTISED = _walk.newFlag("ADVERTISED");
WANT = _walk.newFlag("WANT");
PEER_HAS = _walk.newFlag("PEER_HAS");
COMMON = _walk.newFlag("COMMON");
_walk.carry(PEER_HAS);
SAVE = new RevFlagSet { ADVERTISED, WANT, PEER_HAS };
}
/// <summary>
/// Initialize a new advertisement formatter.
/// </summary>
/// <param name="protoWalk">the RevWalk used to parse objects that are advertised.</param>
/// <param name="advertisedFlag">
/// flag marked on any advertised objects parsed out of the
/// <paramref name="protoWalk"/>'s object pool, permitting the caller to
/// later quickly determine if an object was advertised (or not).
/// </param>
public void init(RevWalk.RevWalk protoWalk, RevFlag advertisedFlag)
{
_walk = protoWalk;
ADVERTISED = advertisedFlag;
}
/// <summary>
/// Remove the given flag from all commits.
///
/// Same as <code>clearFlag(flag, 0, size())</code>, but without the
/// incremental behavior.
/// </summary>
/// <param name="flag">the flag to remove. Applications are responsible for
/// allocating this flag from the source <see cref="RevWalk"/>.</param>
public void clearFlag(RevFlag flag)
{
clearFlag(flag, 0, Size);
}
/// <summary>
/// Remove a flag from this object.
/// <para />
/// If the flag is not set on this object then the method has no effect.
/// </summary>
/// <param name="flag">
/// The flag to remove from this object.
/// </param>
public void remove(RevFlag flag)
{
Flags &= ~flag.Mask;
}
/// <summary>
/// Add a flag to this object.
/// <para />
/// If the flag is already set on this object then the method has no effect.
/// </summary>
/// <param name="flag">
/// The flag to mark on this object, for later testing.
/// </param>
public void add(RevFlag flag)
{
Flags |= flag.Mask;
}
/// <summary>
/// Apply a flag to all commits matching the specified filter.
///
/// <code>applyFlag(matching, flag, 0, size())</code>, but without
/// the incremental behavior.
/// </summary>
/// <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">
/// revision filter needed to Read additional objects, but an
/// error occurred while reading the pack files or loose objects
/// of the repository.
/// </param>
public void applyFlag(RevFilter matching, RevFlag flag)
{
applyFlag(matching, flag, 0, Size);
}
/// <summary>
/// Test to see if the flag has been set on this object.
/// </summary>
/// <param name="flag">the flag to test.</param>
/// <returns>
/// true if the flag has been added to this object; false if not.
/// </returns>
public bool has(RevFlag flag)
{
return (Flags & flag.Mask) != 0;
}
/// <summary>
/// Add a flag to this object.
/// <para />
/// If the flag is already set on this object then the method has no effect.
/// </summary>
/// <param name="flag">
/// The flag to mark on this object, for later testing.
/// </param>
public void add(RevFlag flag)
{
Flags |= flag.Mask;
}
/// <summary>
/// Remove a flag from this object.
/// <para />
/// If the flag is not set on this object then the method has no effect.
/// </summary>
/// <param name="flag">
/// The flag to remove from this object.
/// </param>
public void remove(RevFlag flag)
{
Flags &= ~flag.Mask;
}
/// <summary>
/// Add a commit's parents if one does not have a flag set yet.
/// <para />
/// This method permits the application to test if the commit has the given
/// flag; if it does not already have the flag than the commit is added to
/// the queue and the flag is set. This later will prevent the commit from
/// being added twice.
/// </summary>
/// <param name="c">
/// commit whose parents should be added.
/// </param>
/// <param name="queueControl">
/// flag that controls admission to the queue.
/// </param>
public void addParents(RevCommit c, RevFlag queueControl)
{
RevCommit[] pList = c.Parents;
if (pList == null) return;
foreach (RevCommit p in pList)
{
add(p, queueControl);
}
}
