private static void AppendSymbolPattern(StringBuilder sb, string name, SymbolCollection symbols)
{
if (symbols.Count > 0)
{
if (sb.Length > 0)
{
sb.Append("|");
}
sb.AppendFormat("(?'{0}'{1})", name, CreateSymbolRegexString(symbols));
}
}
public Segmenter()
{
_vowels = new SymbolCollection();
_vowels.CollectionChanged += SymbolCollectionChanged;
_consonants = new SymbolCollection();
_consonants.CollectionChanged += SymbolCollectionChanged;
_modifiers = new SymbolCollection();
_modifiers.CollectionChanged += SymbolCollectionChanged;
_joiners = new SymbolCollection();
_joiners.CollectionChanged += SymbolCollectionChanged;
_toneLetters = new SymbolCollection();
_toneLetters.CollectionChanged += SymbolCollectionChanged;
_boundaries = new SymbolCollection();
_boundaries.CollectionChanged += SymbolCollectionChanged;
_emptyShape = new Shape(begin => new ShapeNode(FeatureStruct.New().Symbol(CogFeatureSystem.AnchorType).Feature(CogFeatureSystem.StrRep).EqualTo("#").Value));
_emptyShape.Freeze();
}
private bool TryMultipleBaseCharacterSymbol(Match match, SymbolCollection bases, out string strRep, out FeatureStruct fs)
{
Group joinerGroup = match.Groups["joiner"];
Group modGroup = match.Groups["mod"];
Group consBaseGroup = match.Groups["consBase"];
Symbol symbol;
if (joinerGroup.Success && (!modGroup.Success || modGroup.Index >= consBaseGroup.Index + consBaseGroup.Length) &&
bases.TryGet(string.Concat(consBaseGroup.Captures.Cast <Capture>().Select(cap => cap.Value)), out symbol))
{
var sb = new StringBuilder();
sb.Append(symbol.StrRep);
fs = symbol.FeatureStruct != null?symbol.FeatureStruct.Clone() : new FeatureStruct();
ApplyModifiers(match.Groups["mod"].Captures.Cast <Capture>(), sb, fs);
strRep = sb.ToString();
return(true);
}
strRep = null;
fs = null;
return(false);
}
private FeatureStruct BuildFeatStruct(Match match, Capture capture, string baseGroupName, SymbolCollection bases, out string strRep)
{
string baseStr = match.Groups[baseGroupName].Captures.Cast <Capture>().Single(cap => capture.Index == cap.Index).Value.ToLowerInvariant();
FeatureStruct baseFs = bases[baseStr].FeatureStruct;
FeatureStruct fs = baseFs != null?baseFs.Clone() : new FeatureStruct();
var sb = new StringBuilder();
sb.Append(baseStr);
ApplyModifiers(match.Groups["mod"].Captures.Cast <Capture>().Where(cap => capture.Index <= cap.Index && (capture.Index + capture.Length) >= (cap.Index + cap.Length)), sb, fs);
strRep = sb.ToString();
return(fs);
}
