public override Value Process(Array.IterItem item, int length)
{
signal = SignalType.None;
using (var assistant = new ParameterAssistant(parameterBlock))
{
var block = assistant.Block();
assistant.ArrayParameters();
assistant.SetParameterValues(item);
var value = block.Evaluate();
signal = Signal();
return(value);
}
}
public override Value Fill()
{
using var assistant = new ParameterAssistant(Arguments);
var block = assistant.Block();
Value value;
if (block != null)
{
assistant.ArrayParameters();
var index = 0;
foreach (var key in getIndicators())
{
assistant.SetParameterValues(array[key], key, index++);
value = block.Evaluate();
var signal = Signal();
if (signal == Breaking)
{
break;
}
switch (signal)
{
case Continuing:
continue;
case ReturningNull:
return(null);
}
if (value != null)
{
array[key] = value;
}
}
return(array);
}
value = Arguments[0];
foreach (var key in getIndicators())
{
array[key] = value.Clone();
}
return(array);
}
public override Value SelfMap()
{
using var assistant = new ParameterAssistant(Arguments);
var block = assistant.Block();
if (block == null)
{
return(this);
}
assistant.ArrayParameters();
var changes = new Array();
foreach (var key in getIndicators())
{
var value = array[key];
var index = array.GetIndex(key);
assistant.SetParameterValues(value, key, index);
value = block.Evaluate();
var signal = Signal();
if (signal == Breaking)
{
break;
}
switch (signal)
{
case Continuing:
continue;
case ReturningNull:
return(null);
}
if (value.Type == ValueType.Nil)
{
continue;
}
if (value is KeyedValue keyedValue)
{
changes[keyedValue.Key] = keyedValue.Value;
}
else
{
changes[key] = value;
}
}
if (changes.Length == 0)
{
return(this);
}
foreach (var item in changes)
{
array[item.Key] = item.Value;
}
return(this);
}