protected override SimpleContext CombineFeatures(SimpleContext ctxt)
{
NaturalClassContext result = base.CombineFeatures(ctxt) as NaturalClassContext;
if (ctxt.ContextType == SimpleContextType.NATURAL_CLASS)
{
NaturalClassContext ncCtxt = ctxt as NaturalClassContext;
// add variables from the specified pattern's context
foreach (KeyValuePair <string, bool> varPolarity in ncCtxt.m_variables)
{
if (!Owner.IsFeatureReferenced(m_alphaVars.GetFeature(varPolarity.Key)))
{
result.m_variables[varPolarity.Key] = varPolarity.Value;
}
}
foreach (KeyValuePair <string, bool> varPolarity in ncCtxt.m_antiVariables)
{
if (!Owner.IsFeatureReferenced(m_alphaVars.GetFeature(varPolarity.Key)))
{
result.m_antiVariables[varPolarity.Key] = varPolarity.Value;
}
}
}
return(result);
}
public bool Equals(NaturalClassContext other)
{
if (other == null)
{
return(false);
}
foreach (KeyValuePair <string, bool> varPolarity in m_variables)
{
Feature feat = m_alphaVars.GetFeature(varPolarity.Key);
bool found = false;
foreach (KeyValuePair <string, bool> otherVarPolarity in other.m_variables)
{
Feature otherFeat = other.m_alphaVars.GetFeature(otherVarPolarity.Key);
if (feat.Equals(otherFeat))
{
if (varPolarity.Value != otherVarPolarity.Value)
{
return(false);
}
found = true;
break;
}
}
if (!found)
{
return(false);
}
}
return(m_natClass == other.m_natClass);
}
public bool Equals(NaturalClassContext other)
{
if (other == null)
{
return(false);
}
return(m_natClass == other.m_natClass);
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="ctxt">The simple context.</param>
public NaturalClassContext(NaturalClassContext ctxt)
: base(ctxt)
{
m_natClass = ctxt.m_natClass;
if (ctxt.m_variables != null)
{
m_variables = new Dictionary <string, bool>(ctxt.m_variables);
m_antiVariables = new Dictionary <string, bool>(ctxt.m_antiVariables);
m_alphaVars = ctxt.m_alphaVars;
}
}
public bool Equals(NaturalClassContext other)
{
if (other == null)
return false;
foreach (KeyValuePair<string, bool> varPolarity in m_variables)
{
Feature feat = m_alphaVars.GetFeature(varPolarity.Key);
bool found = false;
foreach (KeyValuePair<string, bool> otherVarPolarity in other.m_variables)
{
Feature otherFeat = other.m_alphaVars.GetFeature(otherVarPolarity.Key);
if (feat.Equals(otherFeat))
{
if (varPolarity.Value != otherVarPolarity.Value)
return false;
found = true;
break;
}
}
if (!found)
return false;
}
return m_natClass == other.m_natClass;
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="ctxt">The simple context.</param>
public NaturalClassContext(NaturalClassContext ctxt)
: base(ctxt)
{
m_natClass = ctxt.m_natClass;
if (ctxt.m_variables != null)
{
m_variables = new Dictionary<string, bool>(ctxt.m_variables);
m_antiVariables = new Dictionary<string, bool>(ctxt.m_antiVariables);
m_alphaVars = ctxt.m_alphaVars;
}
}
public bool Equals(NaturalClassContext other)
{
if (other == null)
return false;
return m_natClass == other.m_natClass;
}