private TrackPart TrySymbol(TreeNode tnp, SymbolLineDefinitionItem si, int p)
{
SymbolDefinition sd;
TrackPart part = new TrackPart();
part.symbolType = si.type;
part.symbolText = si.text;
part.status = TrackStatus.FAILED;
part.position = p;
if (p >= FilteredSource.Count)
return part;
TreeNode tn;
if (si.type == SymbolType.BY_SYMBOL)
{
if (successSymbols.ContainsKey(p))
{
if (successSymbols[p].ContainsKey(si.text))
{
tn = PushNode(tnp, si.type + " " + si.text);
tn.ImageIndex = tn.SelectedImageIndex = 1;
TrackPart tpp = successSymbols[p][si.text];
part.end = tpp.end;
part.children = tpp.children;
part.status = TrackStatus.MATCHED;
return part;
}
}
if (failedSymbols.ContainsKey(si.text))
{
if (failedSymbols[si.text].Contains(p))
{
tn = PushNode(tnp, si.type + " " + si.text);
tn.ImageIndex = tn.SelectedImageIndex = 2;
return part;
}
}
}
tn = PushNode(tnp, "{0} {1} [pos {2}]", si.type, si.text, p);
if (si.type == SymbolType.BY_TYPE)
{
SourceNode sn = InputSource[FilteredSource[p]];
if (sn.type.Equals(si.text))
{
part.status = TrackStatus.MATCHED;
part.end = p;
}
}
else if (si.type == SymbolType.BY_VALUE)
{
SourceNode sn = InputSource[FilteredSource[p]];
if (sn.value.Equals(si.text))
{
part.status = TrackStatus.MATCHED;
part.end = p;
}
}
else if (si.type == SymbolType.BY_SYMBOL && symbolsMap.ContainsKey(si.text))
{
sd = symbolsMap[si.text];
foreach (SymbolLineDefinition line in sd.lines)
{
if (MatchSymbolLine(p, part, tn, line))
break;
}
// we have matched line and lp with list of trackparts
// now we should try recursive definitions, if there are any
if (part.status == TrackStatus.MATCHED)
{
part = MatchRecursiveLines(sd, part, tn);
}
}
tn.Text = tn.Text + " [end " + part.end + "]";
tn.ImageIndex = tn.SelectedImageIndex = (part.status == TrackStatus.MATCHED ? 1 : (part.status == TrackStatus.FAILED ? 2 : 0));
if (si.type == SymbolType.BY_SYMBOL)
{
if (part.status == TrackStatus.FAILED)
{
if (!failedSymbols.ContainsKey(si.text))
failedSymbols.Add(si.text, new HashSet<int>());
failedSymbols[si.text].Add(p);
}
else if (part.status == TrackStatus.MATCHED)
{
if (!successSymbols.ContainsKey(p))
successSymbols.Add(p, new Dictionary<string, TrackPart>());
TrackPart tpp = new TrackPart();
tpp.children = part.children;
tpp.end = part.end;
successSymbols[p].Add(si.text, tpp);
}
}
return part;
}
public override void Run()
{
OutputSource = new TrackPart();
FilterInput();
SymbolLineDefinitionItem si = new SymbolLineDefinitionItem();
si.text = MainSymbol;
si.type = SymbolType.BY_SYMBOL;
OutputSource = TrySymbol(mainNode, si, 0);
if (OutputSource.end < FilteredSource.Count)
Message = "Error: file was not recognized completely, last matched index is " + OutputSource.end.ToString();
}
