public bool MatchSubrule(PhonologicalPatternRule rule, Match<Word, ShapeNode> match, out PhonologicalSubruleMatch subruleMatch)
{
foreach (RewriteSubruleSpec subruleSpec in _subruleSpecs)
{
if (!subruleSpec.IsApplicable(match.Input))
continue;
ShapeNode leftNode, rightNode, startNode, endNode;
if (_isTargetEmpty)
{
if (match.Matcher.Direction == Direction.LeftToRight)
{
leftNode = match.Span.Start;
rightNode = match.Span.End.Next;
}
else
{
leftNode = match.Span.Start.Prev;
rightNode = match.Span.End;
}
startNode = leftNode;
endNode = rightNode;
}
else
{
leftNode = match.Span.Start.Prev;
rightNode = match.Span.End.Next;
startNode = match.Span.Start;
endNode = match.Span.End;
}
if (leftNode == null || rightNode == null)
{
subruleMatch = null;
return false;
}
VariableBindings varBindings = match.VariableBindings;
Match<Word, ShapeNode> leftEnvMatch = subruleSpec.LeftEnvironmentMatcher == null ? null : subruleSpec.LeftEnvironmentMatcher.Match(match.Input, leftNode, varBindings);
if (leftEnvMatch == null || leftEnvMatch.Success)
{
if (leftEnvMatch != null && leftEnvMatch.VariableBindings != null)
varBindings = leftEnvMatch.VariableBindings;
Match<Word, ShapeNode> rightEnvMatch = subruleSpec.RightEnvironmentMatcher == null ? null : subruleSpec.RightEnvironmentMatcher.Match(match.Input, rightNode, varBindings);
if (rightEnvMatch == null || rightEnvMatch.Success)
{
if (rightEnvMatch != null && rightEnvMatch.VariableBindings != null)
varBindings = rightEnvMatch.VariableBindings;
subruleMatch = new PhonologicalSubruleMatch(subruleSpec, rule.SpanFactory.Create(startNode, endNode), varBindings);
return true;
}
}
}
subruleMatch = null;
return false;
}
public bool MatchSubrule(PhonologicalPatternRule rule, Match <Word, ShapeNode> match, out PhonologicalSubruleMatch subruleMatch)
{
subruleMatch = new PhonologicalSubruleMatch(this, match.Span, match.VariableBindings);
return(true);
}
public bool MatchSubrule(PhonologicalPatternRule rule, Match<Word, ShapeNode> match, out PhonologicalSubruleMatch subruleMatch)
{
subruleMatch = new PhonologicalSubruleMatch(this, match.Span, match.VariableBindings);
return true;
}
public bool MatchSubrule(PhonologicalPatternRule rule, Match <Word, ShapeNode> match, out PhonologicalSubruleMatch subruleMatch)
{
foreach (RewriteSubruleSpec subruleSpec in _subruleSpecs)
{
if (!subruleSpec.IsApplicable(match.Input))
{
continue;
}
ShapeNode leftNode, rightNode, startNode, endNode;
if (_isTargetEmpty)
{
if (match.Matcher.Direction == Direction.LeftToRight)
{
leftNode = match.Span.Start;
rightNode = match.Span.End.Next;
}
else
{
leftNode = match.Span.Start.Prev;
rightNode = match.Span.End;
}
startNode = leftNode;
endNode = rightNode;
}
else
{
leftNode = match.Span.Start.Prev;
rightNode = match.Span.End.Next;
startNode = match.Span.Start;
endNode = match.Span.End;
}
if (leftNode == null || rightNode == null)
{
subruleMatch = null;
return(false);
}
VariableBindings varBindings = match.VariableBindings;
Match <Word, ShapeNode> leftEnvMatch = subruleSpec.LeftEnvironmentMatcher == null ? null : subruleSpec.LeftEnvironmentMatcher.Match(match.Input, leftNode, varBindings);
if (leftEnvMatch == null || leftEnvMatch.Success)
{
if (leftEnvMatch != null && leftEnvMatch.VariableBindings != null)
{
varBindings = leftEnvMatch.VariableBindings;
}
Match <Word, ShapeNode> rightEnvMatch = subruleSpec.RightEnvironmentMatcher == null ? null : subruleSpec.RightEnvironmentMatcher.Match(match.Input, rightNode, varBindings);
if (rightEnvMatch == null || rightEnvMatch.Success)
{
if (rightEnvMatch != null && rightEnvMatch.VariableBindings != null)
{
varBindings = rightEnvMatch.VariableBindings;
}
subruleMatch = new PhonologicalSubruleMatch(subruleSpec, rule.SpanFactory.Create(startNode, endNode), varBindings);
return(true);
}
}
}
subruleMatch = null;
return(false);
}