/// <summary>
/// Initializes a new instance of the <see cref="Subrule"/> class.
/// </summary>
/// <param name="rhs">The RHS.</param>
/// <param name="env">The environment.</param>
/// <param name="rule">The phonological rule.</param>
/// <exception cref="System.ArgumentException">Thrown when the size of the RHS is greater than the
/// size of the specified rule's LHS and the LHS's size is greater than 1. A standard phonological
/// rule does not currently support this type of widening.</exception>
public Subrule(PhoneticPattern rhs, Environment env, StandardPhonologicalRule rule)
{
m_rhs = rhs;
m_env = env;
m_rule = rule;
switch (Type)
{
case ChangeType.NARROW:
case ChangeType.EPENTHESIS:
// analysis target is a copy of the RHS, because there is no LHS
m_analysisTarget = m_rhs.Clone();
break;
case ChangeType.WIDEN:
// before generating the analysis we must extend the length of the LHS
// to match the length of the RHS
PhoneticPattern lhs = m_rule.m_lhs.Clone();
while (lhs.Count != m_rhs.Count)
lhs.Add(lhs.First.Clone());
m_analysisTarget = m_rhs.Combine(lhs);
break;
case ChangeType.FEATURE:
m_analysisTarget = m_rhs.Combine(m_rule.m_lhs);
break;
case ChangeType.UNKNOWN:
throw new ArgumentException(HCStrings.kstidInvalidSubruleType, "rhs");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Subrule"/> class.
/// </summary>
/// <param name="rhs">The RHS.</param>
/// <param name="env">The environment.</param>
/// <param name="rule">The phonological rule.</param>
/// <exception cref="System.ArgumentException">Thrown when the size of the RHS is greater than the
/// size of the specified rule's LHS and the LHS's size is greater than 1. A standard phonological
/// rule does not currently support this type of widening.</exception>
public Subrule(PhoneticPattern rhs, Environment env, StandardPhonologicalRule rule)
{
m_rhs = rhs;
m_env = env;
m_rule = rule;
switch (Type)
{
case ChangeType.NARROW:
case ChangeType.EPENTHESIS:
// analysis target is a copy of the RHS, because there is no LHS
m_analysisTarget = m_rhs.Clone();
break;
case ChangeType.WIDEN:
// before generating the analysis we must extend the length of the LHS
// to match the length of the RHS
PhoneticPattern lhs = m_rule.m_lhs.Clone();
while (lhs.Count != m_rhs.Count)
{
lhs.Add(lhs.First.Clone());
}
m_analysisTarget = m_rhs.Combine(lhs);
break;
case ChangeType.FEATURE:
m_analysisTarget = m_rhs.Combine(m_rule.m_lhs);
break;
case ChangeType.UNKNOWN:
throw new ArgumentException(HCStrings.kstidInvalidSubruleType, "rhs");
}
}
void LoadPSubrule(XmlElement psubruleNode, StandardPhonologicalRule prule, Dictionary<string, string> varFeatIds)
{
XmlElement structElem = psubruleNode.SelectSingleNode("PhonologicalSubruleStructure[@isActive='yes']") as XmlElement;
PhoneticPattern rhs = new PhoneticPattern(true);
LoadPSeq(rhs, structElem.SelectSingleNode("PhoneticOutput/PhoneticSequence") as XmlElement, prule.AlphaVariables,
varFeatIds, null);
Environment env = LoadEnv(structElem.SelectSingleNode("Environment"), prule.AlphaVariables, varFeatIds);
StandardPhonologicalRule.Subrule sr = null;
try
{
sr = new StandardPhonologicalRule.Subrule(rhs, env, prule);
}
catch (ArgumentException ae)
{
LoadException le = new LoadException(LoadException.LoadErrorType.INVALID_SUBRULE_TYPE, this,
HCStrings.kstidInvalidSubruleType, ae);
le.Data["rule"] = prule.ID;
throw le;
}
sr.RequiredPOSs = LoadPOSs(psubruleNode.GetAttribute("requiredPartsOfSpeech"));
sr.RequiredMPRFeatures = LoadMPRFeatures(psubruleNode.GetAttribute("requiredMPRFeatures"));
sr.ExcludedMPRFeatures = LoadMPRFeatures(psubruleNode.GetAttribute("excludedMPRFeatures"));
prule.AddSubrule(sr);
}
void LoadPRule(XmlElement pruleNode)
{
string id = pruleNode.GetAttribute("id");
string name = pruleNode.SelectSingleNode("Name").InnerText;
StandardPhonologicalRule prule = new StandardPhonologicalRule(id, name, m_curMorpher);
prule.MultApplication = GetMultAppOrder(pruleNode.GetAttribute("multipleApplicationOrder"));
Dictionary<string, string> varFeatIds;
prule.AlphaVariables = LoadAlphaVars(pruleNode.SelectSingleNode("VariableFeatures") as XmlElement,
out varFeatIds);
XmlElement pseqElem = pruleNode.SelectSingleNode("PhoneticInputSequence/PhoneticSequence") as XmlElement;
prule.LHS = new PhoneticPattern(true);
LoadPSeq(prule.LHS, pseqElem, prule.AlphaVariables, varFeatIds, null);
XmlNodeList subruleList = pruleNode.SelectNodes("PhonologicalSubrules/PhonologicalSubrule");
foreach (XmlNode subruleNode in subruleList)
LoadPSubrule(subruleNode as XmlElement, prule, varFeatIds);
m_curMorpher.AddPhonologicalRule(prule);
string[] stratumIds = pruleNode.GetAttribute("ruleStrata").Split(' ');
foreach (string stratumId in stratumIds)
GetStratum(stratumId).AddPhonologicalRule(prule);
}