/**
* Returns the overlap with the given span, or null if there is no overlap.
* @param span The span to check.
*/
public TextSpan overlap(TextSpan span)
{
var overlapStart = Math.Max(this._start, span._start);
var overlapEnd = Math.Min(this.end(), span.end());
if (overlapStart < overlapEnd)
{
return(TextSpan.fromBounds(overlapStart, overlapEnd));
}
return(null);
}
/**
* Returns the intersection with the given span, or null if there is no intersection.
* @param span The span to check.
*/
public TextSpan intersection(TextSpan span)
{
var intersectStart = Math.Max(this._start, span._start);
var intersectEnd = Math.Min(this.end(), span.end());
if (intersectStart <= intersectEnd)
{
return(TextSpan.fromBounds(intersectStart, intersectEnd));
}
return(null);
}