/// <summary>
/// Initializes a new instance of the <see cref="Subrule"/> class.
/// </summary>
/// <param name="id">The id.</param>
/// <param name="desc">The description.</param>
/// <param name="morpher">The morpher.</param>
/// <param name="headLhs">The head LHS.</param>
/// <param name="nonHeadLhs">The non-head LHS.</param>
/// <param name="rhs">The RHS.</param>
/// <param name="alphaVars">The alpha variables.</param>
public Subrule(string id, string desc, Morpher morpher, IEnumerable <PhoneticPattern> headLhs,
IEnumerable <PhoneticPattern> nonHeadLhs, IEnumerable <MorphologicalOutput> rhs, AlphaVariables alphaVars)
: base(id, desc, morpher)
{
m_alphaVars = alphaVars;
List <PhoneticPattern> lhs = new List <PhoneticPattern>();
lhs.AddRange(headLhs);
lhs.AddRange(nonHeadLhs);
m_transform = new MorphologicalTransform(lhs, rhs, MorphologicalTransform.RedupMorphType.IMPLICIT);
// the LHS template is generated by simply concatenating all of the
// LHS partitions; it matches the entire word, so we check for both the
// left and right margins.
m_headLhsTemp = new PhoneticPattern();
m_headLhsTemp.Add(new MarginContext(Direction.LEFT));
int partition = 0;
foreach (PhoneticPattern pat in headLhs)
{
m_headLhsTemp.AddPartition(pat, partition++);
}
m_headLhsTemp.Add(new MarginContext(Direction.RIGHT));
m_firstNonHeadPartition = partition;
m_nonHeadLhsTemp = new PhoneticPattern();
m_nonHeadLhsTemp.Add(new MarginContext(Direction.LEFT));
foreach (PhoneticPattern pat in nonHeadLhs)
{
m_nonHeadLhsTemp.AddPartition(pat, partition++);
}
m_nonHeadLhsTemp.Add(new MarginContext(Direction.RIGHT));
}
/// <summary>
/// Generates the RHS template of a morphological rule.
/// </summary>
/// <param name="rhsTemp">The RHS template.</param>
/// <param name="lhs">The LHS.</param>
/// <param name="modifyFromCtxts">The modify-from contexts.</param>
/// <param name="redup">The reduplication flag.</param>
public override void GenerateRHSTemplate(PhoneticPattern rhsTemp, IList <PhoneticPattern> lhs,
IDictionary <int, SimpleContext> modifyFromCtxts)
{
// copy LHS partition over the RHS, only indicate the partition if this is
// the first time this partition is being copied
rhsTemp.AddPartition(lhs[m_partition], m_redup ? -1 : m_partition);
}
/// <summary>
/// Generates the RHS template of a morphological rule.
/// </summary>
/// <param name="rhsTemp">The RHS template.</param>
/// <param name="lhs">The LHS.</param>
/// <param name="modifyFromCtxts">The modify-from contexts.</param>
/// <param name="redup">The reduplication flag.</param>
public override void GenerateRHSTemplate(PhoneticPattern rhsTemp, IList <PhoneticPattern> lhs,
IDictionary <int, SimpleContext> modifyFromCtxts)
{
PhoneticPattern ctxtPattern = new PhoneticPattern();
ctxtPattern.Add(m_ctxt);
// combines the simple context with all of the simple contexts on the LHS
// and adds the results to the RHS template
PhoneticPattern pattern = GenerateChangePartition(lhs[m_partition], ctxtPattern);
rhsTemp.AddPartition(pattern, m_redup ? -1 : m_partition);
// add context to the modify-from contexts
modifyFromCtxts[m_partition] = m_ctxt;
}
/// <summary>
/// Initializes a new instance of the <see cref="Subrule"/> class.
/// </summary>
/// <param name="id">The id.</param>
/// <param name="desc">The description.</param>
/// <param name="morpher">The morpher.</param>
/// <param name="lhs">The LHS.</param>
/// <param name="rhs">The RHS.</param>
/// <param name="alphaVars">The alpha variables.</param>
/// <param name="redupMorphType">The full reduplication type.</param>
public Subrule(string id, string desc, Morpher morpher, IEnumerable <PhoneticPattern> lhs,
IEnumerable <MorphologicalOutput> rhs, AlphaVariables alphaVars, MorphologicalTransform.RedupMorphType redupMorphType)
: base(id, desc, morpher)
{
m_alphaVars = alphaVars;
m_transform = new MorphologicalTransform(lhs, rhs, redupMorphType);
// the LHS template is generated by simply concatenating all of the
// LHS partitions; it matches the entire word, so we check for both the
// left and right margins.
m_lhsTemp = new PhoneticPattern();
m_lhsTemp.Add(new MarginContext(Direction.LEFT));
int partition = 0;
foreach (PhoneticPattern pat in lhs)
{
m_lhsTemp.AddPartition(pat, partition, m_transform.IsGreedy(partition));
partition++;
}
m_lhsTemp.Add(new MarginContext(Direction.RIGHT));
}