protected virtual RangeFilterValue GetRangeFilterValue(Antlr.SearchPhraseParser.RangeContext context)
{
var lower = context.GetChild <Antlr.SearchPhraseParser.LowerContext>(0)?.GetText();
var upper = context.GetChild <Antlr.SearchPhraseParser.UpperContext>(0)?.GetText();
var rangeStart = context.GetChild <Antlr.SearchPhraseParser.RangeStartContext>(0)?.GetText();
var rangeEnd = context.GetChild <Antlr.SearchPhraseParser.RangeEndContext>(0)?.GetText();
return(new RangeFilterValue
{
Lower = Unescape(lower),
Upper = Unescape(upper),
IncludeLower = rangeStart.EqualsInvariant("["),
IncludeUpper = rangeEnd.EqualsInvariant("]"),
});
}
/// <summary>
/// Exit a parse tree produced by <see cref="SearchPhraseParser.range"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitRange([NotNull] SearchPhraseParser.RangeContext context)
{
}