/// <summary>
/// Determines whether this subrule is applicable to the specified word analysis.
/// </summary>
/// <param name="input">The word analysis.</param>
/// <returns>
/// <c>true</c> if this subrule is applicable, otherwise <c>false</c>.
/// </returns>
public bool IsApplicable(WordSynthesis input)
{
// check part of speech and MPR features
return((m_requiredPOSs == null || m_requiredPOSs.Count == 0 || m_requiredPOSs.Contains(input.POS)) &&
(m_requiredMPRFeatures == null || m_requiredMPRFeatures.Count == 0 || m_requiredMPRFeatures.IsMatch(input.MPRFeatures)) &&
(m_excludedMPRFeatures == null || m_excludedMPRFeatures.Count == 0 || !m_excludedMPRFeatures.IsMatch(input.MPRFeatures)));
}
/// <summary>
/// Applies this subrule to the specified word synthesis.
/// </summary>
/// <param name="input">The input word synthesis.</param>
/// <param name="output">The output word synthesis.</param>
/// <returns><c>true</c> if the subrule was successfully applied, otherwise <c>false</c></returns>
public bool Apply(WordSynthesis input, out WordSynthesis output)
{
output = null;
// check MPR features
if ((m_requiredMPRFeatures != null && m_requiredMPRFeatures.Count > 0 && !m_requiredMPRFeatures.IsMatch(input.MPRFeatures)) ||
(m_excludedMPRFeatures != null && m_excludedMPRFeatures.Count > 0 && m_excludedMPRFeatures.IsMatch(input.MPRFeatures)))
{
return(false);
}
VariableValues instantiatedVars = new VariableValues(m_alphaVars);
IList <Match> headMatches, nonHeadMatches;
if (m_headLhsTemp.IsMatch(input.Shape.First, Direction.RIGHT, ModeType.SYNTHESIS, instantiatedVars, out headMatches) &&
m_nonHeadLhsTemp.IsMatch(input.NonHead.Shape.First, Direction.RIGHT, ModeType.SYNTHESIS, instantiatedVars, out nonHeadMatches))
{
output = input.Clone();
ApplyRHS(headMatches[0], nonHeadMatches[0], input, output);
if (m_outputMPRFeatures != null)
{
output.MPRFeatures.AddOutput(m_outputMPRFeatures);
}
return(true);
}
return(false);
}
/// <summary>
/// Determines whether this subrule is applicable to the specified word analysis.
/// </summary>
/// <param name="input">The word analysis.</param>
/// <param name="trace"> </param>
/// <returns>
/// <c>true</c> if this subrule is applicable, otherwise <c>false</c>.
/// </returns>
public bool IsApplicable(WordSynthesis input, Trace trace)
{
// check part of speech and MPR features
bool fRequiredPOSMet = m_requiredPOSs == null || m_requiredPOSs.Count == 0 || m_requiredPOSs.Contains(input.POS);
bool fRequiredMPRFeaturesMet = m_requiredMPRFeatures == null || m_requiredMPRFeatures.Count == 0 || m_requiredMPRFeatures.IsMatch(input.MPRFeatures);
bool fExcludedMPRFeaturesMet = m_excludedMPRFeatures == null || m_excludedMPRFeatures.Count == 0 || !m_excludedMPRFeatures.IsMatch(input.MPRFeatures);
if (trace != null)
{
if (!fRequiredPOSMet)
{
var badPosTrace = new PhonologicalRuleSynthesisRequiredPOSTrace(input.POS, m_requiredPOSs);
trace.AddChild(badPosTrace);
}
if (!fRequiredMPRFeaturesMet)
{
var badRequiredMPRFeaturesTrace =
new PhonologicalRuleSynthesisMPRFeaturesTrace(
PhonologicalRuleSynthesisMPRFeaturesTrace.PhonologicalRuleSynthesisMPRFeaturesTraceType.REQUIRED,
input.MPRFeatures, m_requiredMPRFeatures);
trace.AddChild(badRequiredMPRFeaturesTrace);
}
if (!fExcludedMPRFeaturesMet)
{
var badExcludedMPRFeaturesTrace =
new PhonologicalRuleSynthesisMPRFeaturesTrace(
PhonologicalRuleSynthesisMPRFeaturesTrace.PhonologicalRuleSynthesisMPRFeaturesTraceType.EXCLUDED,
input.MPRFeatures, m_excludedMPRFeatures);
trace.AddChild(badExcludedMPRFeaturesTrace);
}
}
return(fRequiredPOSMet && fRequiredMPRFeaturesMet && fExcludedMPRFeaturesMet);
}
