private void incrSuffix(ref StSuffix active)
{
int origNodeId, begin, end;
origNodeId = active.OriginNode.Id;
begin = active.BeginIndex;
end = active.EndIndex;
if (active.OriginNode.IsRoot())
{
active.BeginIndex++;
}
else
{
active.OriginNode = active.OriginNode.SuffixNode;
}
active.Canonicalize();
if (origNodeId != active.OriginNode.Id ||
begin != active.BeginIndex ||
end != active.EndIndex)
{
StUtil.WriteLine(StVerbosityLevel.Verbose, String.Format(
" incrSuffix: Active suffix changed from {0:s} to {1:s}",
StSuffix.ToSuffixString(origNodeId, begin, end),
StSuffix.ToSuffixString(active.OriginNode.Id, active.BeginIndex, active.EndIndex)));
}
}
private void extendSuffixes(ref StSuffix active, int endIndex)
{
StNode parentNode;
StNode prevParentNode = null;
for ( ; ; incrSuffix(ref active))
{
parentNode = active.OriginNode;
if (extendSuffixByRuleOne(ref active, ref parentNode, endIndex) == ExtensionResult.Done)
{
break;
}
extendSuffixByRuleTwo(ref active, parentNode, ref prevParentNode, endIndex);
}
setSuffixLink(prevParentNode, parentNode);
active.EndIndex++;
active.Canonicalize();
}
private void incrSuffix(ref StSuffix active)
{
int origNodeId, begin, end;
origNodeId = active.OriginNode.Id;
begin = active.BeginIndex;
end = active.EndIndex;
if (active.OriginNode.IsRoot()) { active.BeginIndex++; }
else { active.OriginNode = active.OriginNode.SuffixNode; }
active.Canonicalize();
if (origNodeId != active.OriginNode.Id
|| begin != active.BeginIndex
|| end != active.EndIndex)
{
StUtil.WriteLine(StVerbosityLevel.Verbose, String.Format(
" incrSuffix: Active suffix changed from {0:s} to {1:s}",
StSuffix.ToSuffixString(origNodeId, begin, end),
StSuffix.ToSuffixString(active.OriginNode.Id, active.BeginIndex, active.EndIndex)));
}
}
private void extendSuffixes(ref StSuffix active, int endIndex)
{
StNode parentNode;
StNode prevParentNode = null;
for ( ; ; incrSuffix(ref active))
{
parentNode = active.OriginNode;
if (extendSuffixByRuleOne(ref active, ref parentNode, endIndex) == ExtensionResult.Done)
{
break;
}
extendSuffixByRuleTwo(ref active, parentNode, ref prevParentNode, endIndex);
}
setSuffixLink(prevParentNode, parentNode);
active.EndIndex++;
active.Canonicalize();
}