public int ReplaceAllChild(FmlNode from, FmlNode to)
{
if (from == to)
{
return(0);
}
int count = 0;
for (int i = 0, imax = ChildList.Count; i < imax; ++i)
{
if (ChildList[i] == from)
{
ChildList[i] = to;
++count;
}
}
if (count > 0)
{
if (from == null)
{
to.AddBranch(this, count);
ChildCount += count;
}
else if (to == null)
{
from.RemoveBranch(this, count);
ChildCount -= count;
RemoveNullTail();
}
else
{
to.AddBranch(this, count);
from.RemoveBranch(this, count);
}
SetDirty();
}
return(count);
}
public bool ReplaceChild(FmlNode from, FmlNode to)
{
if (from == to)
{
return(false);
}
for (int i = 0, imax = ChildList.Count; i < imax; ++i)
{
if (ChildList[i] == from)
{
ChildList[i] = to;
if (from == null)
{
to.AddBranch(this);
++ChildCount;
}
else if (to == null)
{
from.RemoveBranch(this);
--ChildCount;
RemoveNullTail();
}
else
{
to.AddBranch(this);
from.RemoveBranch(this);
}
SetDirty();
return(true);
}
}
return(false);
}
