/**
* Returns {@code true} if the specified object is an instance of <code>NumericShaper</code> and
* shapes identically to this one, regardless of the range representations, the bit mask or the
* enum. For example, the following code produces {@code "true"}.
*
* <blockquote>
*
* <pre>
* NumericShaper ns1 = NumericShaper.getShaper(NumericShaper.ARABIC);
* NumericShaper ns2 = NumericShaper.getShaper(NumericShaper.Range.ARABIC);
* System.out.println(ns1.equals(ns2));
* </pre>
*
* </blockquote>
*
* @param o the specified object to compare to this <code>NumericShaper</code>
* @return <code>true</code> if <code>o</code> is an instance of <code>NumericShaper</code> and
* shapes in the same way; <code>false</code> otherwise.
* @see java.lang.Object#equals(java.lang.Object)
*/
public boolean equals(Object o) {
if (o != null) {
try {
NumericShaper rhs = (NumericShaper) o;
if (rangeSet != null) {
if (rhs.rangeSet != null) {
return isContextual() == rhs.isContextual()
&& rangeSet.equals(rhs.rangeSet)
&& shapingRange == rhs.shapingRange;
}
return isContextual() == rhs.isContextual()
&& rangeSet.equals(Range.maskToRangeSet(rhs.mask))
&& shapingRange == Range.indexToRange(rhs.key);
} else if (rhs.rangeSet != null) {
Set<Range> rset = Range.maskToRangeSet(mask);
Range srange = Range.indexToRange(key);
return isContextual() == rhs.isContextual()
&& rset.equals(rhs.rangeSet)
&& srange == rhs.shapingRange;
}
return rhs.mask == mask && rhs.key == key;
} catch (ClassCastException e) {
}
}
return false;
}
