void IndexTreeVisitor.VisitEntry(TreeEntry treeEntry, TreeEntry auxEntry, GitIndex.Entry indexEntry, FileInfo file)
{
VisitEntryAuxDelegate handler = VisitEntryAux;
if (handler != null)
{
handler(treeEntry, auxEntry, indexEntry, file);
}
}
private void CheckoutTwoTrees()
{
foreach (string path in Removed)
{
_index.remove(_root, new FileInfo(Path.Combine(_root.FullName, path)));
}
foreach (KeyValuePair <string, ObjectId> entry in _updated)
{
GitIndex.Entry newEntry = _index.addEntry(_merge.FindBlobMember(entry.Key));
_index.checkoutEntry(_root, newEntry);
}
}
private static int Compare(TreeEntry t, GitIndex.Entry i)
{
if ((t == null) && (i == null))
{
return(0);
}
if (t == null)
{
return(1);
}
if (i == null)
{
return(-1);
}
return(Tree.CompareNames(t.FullNameUTF8, i.NameUTF8, TreeEntry.LastChar(t), TreeEntry.LastChar(i)));
}
private void Walk(Tree tree, Tree auxTree)
{
var mi = new TreeIterator(tree, TreeIterator.Order.POSTORDER);
var ai = new TreeIterator(auxTree, TreeIterator.Order.POSTORDER);
TreeEntry m = mi.hasNext() ? mi.next() : null;
TreeEntry a = ai.hasNext() ? ai.next() : null;
int curIndexPos = IndexCounter;
GitIndex.Entry entry = (IndexCounter < _indexMembers.Count) ? _indexMembers[IndexCounter++] : null;
while (((m != null) || (a != null)) || (entry != null))
{
int cmpma = Compare(m, a);
int cmpmi = Compare(m, entry);
int cmpai = Compare(a, entry);
TreeEntry pm = ((cmpma <= 0) && (cmpmi <= 0)) ? m : null;
TreeEntry pa = ((cmpma >= 0) && (cmpai <= 0)) ? a : null;
GitIndex.Entry pi = ((cmpmi >= 0) && (cmpai >= 0)) ? entry : null;
if (pi != null)
{
VisitEntry(pm, pa, pi);
}
else
{
FinishVisitTree(pm, pa, curIndexPos);
}
if (pm != null)
{
m = mi.hasNext() ? mi.next() : null;
}
if (pa != null)
{
a = ai.hasNext() ? ai.next() : null;
}
if (pi != null)
{
entry = (IndexCounter < _indexMembers.Count) ? _indexMembers[IndexCounter++] : null;
}
}
}
private void CheckoutOutIndexNoHead()
{
var visitor = new AbstractIndexTreeVisitor
{
VisitEntry = (m, i, f) =>
{
if (m == null)
{
_index.remove(_root, f);
return;
}
bool needsCheckout = false;
if (i == null)
{
needsCheckout = true;
}
else if (i.ObjectId.Equals(m.Id))
{
if (i.IsModified(_root, true))
{
needsCheckout = true;
}
}
else
{
needsCheckout = true;
}
if (needsCheckout)
{
GitIndex.Entry newEntry = _index.addEntry(m);
_index.checkoutEntry(_root, newEntry);
}
}
};
new IndexTreeWalker(_index, _merge, _root, visitor).Walk();
}
private void VisitEntry(TreeEntry t1, TreeEntry t2, GitIndex.Entry i)
{
Debug.Assert(((t1 != null) || (t2 != null)) || (i != null), "Needs at least one entry");
Debug.Assert(_root != null, "Needs workdir");
if ((t1 != null) && (t1.Parent == null))
{
t1 = null;
}
if ((t2 != null) && (t2.Parent == null))
{
t2 = null;
}
FileInfo file = null;
if (i != null)
{
file = new FileInfo(Path.Combine(_root.FullName, i.Name));
}
else if (t1 != null)
{
file = new FileInfo(Path.Combine(_root.FullName, t1.FullName));
}
else if (t2 != null)
{
file = new FileInfo(Path.Combine(_root.FullName, t2.FullName));
}
if (((t1 != null) || (t2 != null)) || (i != null))
{
if (_threeTrees)
{
_visitor.VisitEntry(t1, t2, i, file);
}
else
{
_visitor.VisitEntry(t1, i, file);
}
}
}
private static bool lt(TreeEntry h, GitIndex.Entry i)
{
return(Compare(h, i) < 0);
}
private static bool lt(GitIndex.Entry i, TreeEntry t)
{
return(Compare(t, i) > 0);
}
private static bool eq(TreeEntry t1, GitIndex.Entry e)
{
return(Compare(t1, e) == 0);
}
public static int LastChar(GitIndex.Entry i)
{
return(FileMode.Tree.Equals(i.getModeBits()) ? 0x2f : 0);
}
private void ProcessEntry(TreeEntry h, TreeEntry m, GitIndex.Entry i)
{
ObjectId iId = (i == null ? null : i.ObjectId);
ObjectId mId = (m == null ? null : m.Id);
ObjectId hId = (h == null ? null : h.Id);
string name = (i != null ? i.Name : (h != null ? h.FullName : m.FullName));
if (i == null)
{
//
// I (index) H M Result
// -------------------------------------------------------
// 0 nothing nothing nothing (does not happen)
// 1 nothing nothing exists use M
// 2 nothing exists nothing remove path from index
// 3 nothing exists exists use M
if (h == null)
{
_updated.Add(name, mId);
}
else if (m == null)
{
Removed.Add(name);
}
else
{
_updated.Add(name, mId);
}
}
else if (h == null)
{
//
// clean I==H I==M H M Result
// -----------------------------------------------------
// 4 yes N/A N/A nothing nothing keep index
// 5 no N/A N/A nothing nothing keep index
//
// 6 yes N/A yes nothing exists keep index
// 7 no N/A yes nothing exists keep index
// 8 yes N/A no nothing exists fail
// 9 no N/A no nothing exists fail
if (m == null || mId.Equals(iId))
{
if (HasParentBlob(_merge, name))
{
if (i.IsModified(_root, true))
{
Conflicts.Add(name);
}
else
{
Removed.Add(name);
}
}
}
else
{
Conflicts.Add(name);
}
}
else if (m == null)
{
//
// 10 yes yes N/A exists nothing remove path from index
// 11 no yes N/A exists nothing fail
// 12 yes no N/A exists nothing fail
// 13 no no N/A exists nothing fail
//
if (hId.Equals(iId))
{
if (i.IsModified(_root, true))
{
Conflicts.Add(name);
}
else
{
Removed.Add(name);
}
}
else
{
Conflicts.Add(name);
}
}
else
{
if (!hId.Equals(mId) && !hId.Equals(iId) && !mId.Equals(iId))
{
Conflicts.Add(name);
}
else if (hId.Equals(iId) && !mId.Equals(iId))
{
if (i.IsModified(_root, true))
{
Conflicts.Add(name);
}
else
{
_updated.Add(name, mId);
}
}
}
}
