private static Option<IExpressionConstant> FindParentLoop(SymbolTableStack stack)
{
var parentLoop = stack.Reference("forloop", skiplevels:1 );
if (parentLoop.IsError || !parentLoop.SuccessResult.HasValue)
{
return new None<IExpressionConstant>();
}
return parentLoop.SuccessValue<DictionaryValue>();
}
public static DictionaryValue CreateForLoopDescriptor(String name, int iter, int length, int col, int maxcol, int row, SymbolTableStack stack)
{
return new DictionaryValue(new Dictionary<String, Option<IExpressionConstant>>
{
{"first", new BooleanValue(iter == 0)},
{"index", NumericValue.Create(iter + 1)},
{"col" , NumericValue.Create(col + 1)},
{"row" , NumericValue.Create(row + 1)},
{"row0" , NumericValue.Create(row)},
{"col0" , NumericValue.Create(col)},
{"col_first" , new BooleanValue(col == 0)},
{"col_last" , new BooleanValue(col == maxcol)},
{"index0", NumericValue.Create(iter)},
{"rindex", NumericValue.Create(length - iter)},
{"rindex0", NumericValue.Create(length - iter - 1)},
{"last", new BooleanValue(length - iter - 1 == 0)},
{"length", NumericValue.Create(length) },
{"name", new StringValue(name) }
});
}
public static DictionaryValue CreateForLoopDescriptor(String name, int iter, int length, SymbolTableStack stack)
{
return new DictionaryValue(new Dictionary<String, Option<IExpressionConstant>>
{
{"parentloop", FindParentLoop(stack)}, // see: https://github.com/Shopify/liquid/pull/520
{"first", new BooleanValue(iter == 0)},
{"index", NumericValue.Create(iter + 1)},
{"index0", NumericValue.Create(iter)},
{"rindex", NumericValue.Create(length - iter)},
{"rindex0", NumericValue.Create(length - iter - 1)},
{"last", new BooleanValue(length - iter - 1 == 0)},
{"length", NumericValue.Create(length) },
{"name", new StringValue(name) }
});
}