protected virtual RangeFilter GetRangeFilter(Antlr.SearchPhraseParser.RangeFilterContext context)
{
var fieldNameContext = context.GetChild <Antlr.SearchPhraseParser.FieldNameContext>(0);
var rangeValueContext = context.GetChild <Antlr.SearchPhraseParser.RangeFilterValueContext>(0);
if (fieldNameContext == null || rangeValueContext == null)
{
return(null);
}
var values = rangeValueContext.children
.OfType <Antlr.SearchPhraseParser.RangeContext>()
.Select(GetRangeFilterValue)
.ToArray();
var filter = new RangeFilter
{
FieldName = Unescape(fieldNameContext.GetText()),
Values = values,
};
return(filter);
}
public override void ExitRangeFilter(Antlr.SearchPhraseParser.RangeFilterContext context)
{
base.ExitRangeFilter(context);
var fieldNameContext = context.GetChild <Antlr.SearchPhraseParser.FieldNameContext>(0);
var rangeValueContext = context.GetChild <Antlr.SearchPhraseParser.RangeFilterValueContext>(0);
if (fieldNameContext != null && rangeValueContext != null)
{
var values = rangeValueContext.children
.OfType <Antlr.SearchPhraseParser.RangeContext>()
.Select(GetRangeFilterValue)
.ToArray();
var filter = new RangeFilter
{
FieldName = Unescape(fieldNameContext.GetText()),
Values = values,
};
Filters.Add(filter);
}
}
/// <summary>
/// Exit a parse tree produced by <see cref="SearchPhraseParser.rangeFilter"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitRangeFilter([NotNull] SearchPhraseParser.RangeFilterContext context)
{
}
