public virtual bool formIdentical()
{
bool ident = true;
NLGElement firstElement = components[0];
for (int i = 1; i < components.Count && ident; i++)
{
ident = firstElement.Equals(components[i]);
}
return(ident);
}
/**
* Check whether the phrases in this set are identical in form. This method
* returns true if for every pair of phrases <code>p1</code> and <p2>,
* <code>p1.equals(p2)</code>.
*
* @return <code>true</code> if all phrases in the set are form-identical
*/
public virtual bool formIdentical()
{
bool ident = phrases.Any();
for (int i = 1; i < phrases.Count && ident; i++)
{
NLGElement left = phrases[i - 1];
NLGElement right = phrases[i];
if (left != null && right != null)
{
ident = left.Equals(right);
}
}
return(ident);
}
/**
* Check whether the phrases are lemma identical. This method returns
* <code>true</code> in the following cases:
*
* <OL>
* <LI>All phrases are {@link simplenlg.framework.NLGElement}s and they
* have the same lexical head, irrespective of inflectional variations.</LI>
* </OL>
*
* @return <code>true</code> if the pair is lemma identical
*/
public virtual bool lemmaIdentical()
{
bool ident = phrases.Any();
for (int i = 1; i < phrases.Count && ident; i++)
{
NLGElement left = phrases[i - 1];
NLGElement right = phrases[i];
if (left != null && right != null)
{
NLGElement leftHead = left.getFeatureAsElement(InternalFeature.HEAD);
NLGElement rightHead = right.getFeatureAsElement(InternalFeature.HEAD);
ident = (leftHead == rightHead || leftHead.Equals(rightHead));
}
}
return(ident);
}
/**
* Check that a list of sentences have the same verb
*
* @param sentences
* the sentences
* @return <code>true</code> if for every pair of sentences <code>s1</code>
* and <code>s2</code>
* <code>s1.getVerbPhrase().getHead().equals(s2.getVerbPhrase().getHead())</code>
*/
public static bool sameVPHead(params NLGElement[] sentences)
{
bool equal = sentences.Length >= 2;
for (int i = 1; i < sentences.Length && equal; i++)
{
NLGElement vp1 = sentences[i - 1].getFeatureAsElement(InternalFeature.VERB_PHRASE);
NLGElement vp2 = sentences[i].getFeatureAsElement(InternalFeature.VERB_PHRASE);
if (vp1 != null && vp2 != null)
{
NLGElement h1 = vp1.getFeatureAsElement(InternalFeature.HEAD);
NLGElement h2 = vp2.getFeatureAsElement(InternalFeature.HEAD);
equal = h1 != null && h2 != null?h1.Equals(h2) : false;
}
else
{
equal = false;
}
}
return(equal);
}
