/// <summary>
/// Applies the specified variables that occur in the instantiated variables to the specified feature bundle.
/// </summary>
/// <param name="fb">The feature bundle.</param>
/// <param name="variables">The variables.</param>
/// <param name="instantiatedVars">The instantiated variables.</param>
public void ApplyCurrent(FeatureBundle fb, IDictionary <string, bool> variables, VariableValues instantiatedVars)
{
foreach (KeyValuePair <string, bool> varPolarity in variables)
{
Feature feature = m_varFeatures[varPolarity.Key];
ICollection <FeatureValue> varValues = instantiatedVars.GetValues(varPolarity.Key);
if (varValues.Count > 0)
{
foreach (FeatureValue value in GetCurVarFeatValue(feature, varValues, varPolarity.Value))
{
fb.Set(value, true);
}
}
}
}
/// <summary>
/// Enumerates thru all of the possible values for the specified variable.
/// </summary>
/// <param name="variableName">The variable.</param>
/// <param name="polarity">The variable polarity.</param>
/// <param name="instantiatedVars">The instantiated variables.</param>
/// <returns>An enumerable of feature values.</returns>
IEnumerable <FeatureValue> GetVarFeatValue(string variableName, bool polarity, VariableValues instantiatedVars)
{
Feature feature = m_varFeatures[variableName];
ICollection <FeatureValue> varValues = instantiatedVars.GetValues(variableName);
if (varValues.Count > 0)
{
// variable is instantiated, so only check already instantiated values
foreach (FeatureValue value in GetCurVarFeatValue(feature, varValues, polarity))
{
yield return(value);
}
}
else
{
foreach (FeatureValue value in feature.PossibleValues)
{
// if polarity is true, then values must be the same, otherwise they must be different
if (polarity)
{
yield return(value);
}
else
{
foreach (FeatureValue value2 in feature.PossibleValues)
{
if (value2 != value)
{
yield return(value2);
}
}
}
}
}
}
/// <summary>
/// Enumerates thru all of the possible values for the specified variable.
/// </summary>
/// <param name="variableName">The variable.</param>
/// <param name="polarity">The variable polarity.</param>
/// <param name="instantiatedVars">The instantiated variables.</param>
/// <returns>An enumerable of feature values.</returns>
IEnumerable<FeatureValue> GetVarFeatValue(string variableName, bool polarity, VariableValues instantiatedVars)
{
Feature feature = m_varFeatures[variableName];
ICollection<FeatureValue> varValues = instantiatedVars.GetValues(variableName);
if (varValues.Count > 0)
{
// variable is instantiated, so only check already instantiated values
foreach (FeatureValue value in GetCurVarFeatValue(feature, varValues, polarity))
yield return value;
}
else
{
foreach (FeatureValue value in feature.PossibleValues)
{
// if polarity is true, then values must be the same, otherwise they must be different
if (polarity)
{
yield return value;
}
else
{
foreach (FeatureValue value2 in feature.PossibleValues)
{
if (value2 != value)
yield return value2;
}
}
}
}
}
/// <summary>
/// Applies the specified variables that occur in the instantiated variables to the specified feature bundle.
/// </summary>
/// <param name="fb">The feature bundle.</param>
/// <param name="variables">The variables.</param>
/// <param name="instantiatedVars">The instantiated variables.</param>
public void ApplyCurrent(FeatureBundle fb, IDictionary<string, bool> variables, VariableValues instantiatedVars)
{
foreach (KeyValuePair<string, bool> varPolarity in variables)
{
Feature feature = m_varFeatures[varPolarity.Key];
ICollection<FeatureValue> varValues = instantiatedVars.GetValues(varPolarity.Key);
if (varValues.Count > 0)
{
foreach (FeatureValue value in GetCurVarFeatValue(feature, varValues, varPolarity.Value))
fb.Set(value, true);
}
}
}
