public override LiquidExpressionResult ApplyTo(ITemplateContext ctx, LiquidString liquidLiquidStringExpression)
{
if (liquidLiquidStringExpression == null || String.IsNullOrEmpty(liquidLiquidStringExpression.StringVal))
{
return(LiquidExpressionResult.Error("String is nil"));
}
var positionFilter = new PositionFilter(LiquidNumeric.Create(liquidLiquidStringExpression.StringVal.Length - 1));
return(positionFilter.ApplyTo(ctx, liquidLiquidStringExpression));
}
public override LiquidExpressionResult ApplyTo(ITemplateContext ctx, LiquidCollection liquidArrayExpression)
{
if (liquidArrayExpression == null || liquidArrayExpression.Value == null)
{
return(LiquidExpressionResult.Error("Array is nil"));
}
var positionFilter = new PositionFilter(LiquidNumeric.Create(liquidArrayExpression.Count - 1));
return(positionFilter.ApplyTo(ctx, liquidArrayExpression));
}
public FirstFilter()
{
_positionFilter = new PositionFilter(LiquidNumeric.Create(0));
}