public static IEnumerable <SearchItem> Print(SearchExpressionContext c)
{
var skipCount = 0;
if (SearchExpression.GetFormatString(c.args[0], out var formatStr))
{
skipCount++;
}
var outputValueFieldName = System.Guid.NewGuid().ToString("N");
foreach (var expr in c.args.Skip(skipCount))
{
if (expr == null)
{
yield return(null);
continue;
}
var str = new List <string>();
var dataSet = SearchExpression.ProcessValues(expr.Execute(c), outputValueFieldName, item =>
{
var valueStr = SearchExpression.FormatItem(c.search, item, formatStr);
str.Add(valueStr);
return(valueStr);
});
foreach (var item in dataSet)
{
yield return(item);
}
Debug.Log($"[{string.Join(",", str)}]");
}
}
public static IEnumerable <SearchItem> Format(SearchExpressionContext c)
{
var skipCount = 0;
if (SearchExpression.GetFormatString(c.args[0], out var formatStr))
{
skipCount++;
}
var items = c.args.Skip(skipCount).SelectMany(e => e.Execute(c));
var dataSet = SearchExpression.ProcessValues(items, null, item => SearchExpression.FormatItem(c.search, item, formatStr));
return(dataSet);
}
public static IEnumerable <SearchItem> Alias(SearchExpressionContext c)
{
var aliasSelector = c.args.Last();
if (c.HasFlag(SearchExpressionExecutionFlags.Expand))
{
yield return(SearchExpression.CreateSearchExpressionItem(new SearchExpression(c.args[0], newAlias: aliasSelector.innerText)));
}
else
{
foreach (var r in c.args[0].Execute(c))
{
if (r == null)
{
yield return(null);
continue;
}
var hasFormatString = SearchExpression.GetFormatString(aliasSelector, out var formatStr);
if (hasFormatString && aliasSelector.types.HasAny(SearchExpressionType.Text))
{
r.label = SearchExpression.FormatItem(c.search, r, formatStr);
}
else if (aliasSelector.types.HasAny(SearchExpressionType.Selector))
{
r.label = SelectorManager.SelectValue(r, c.search, aliasSelector.innerText.ToString()).ToString();
yield return(r);
}
else if (aliasSelector.types.HasAny(SearchExpressionType.Iterable))
{
bool valueSelected = false;
using (c.runtime.Push(r))
{
foreach (var s in aliasSelector.Execute(c))
{
if (s != null)
{
r.label = s.value.ToString();
valueSelected = true;
break;
}
else
{
yield return(null);
}
}
}
if (!valueSelected)
{
r.label = r.label = SearchExpression.FormatItem(c.search, r, aliasSelector.innerText.ToString());
}
}
else
{
c.ThrowError($"Alias selector `{aliasSelector.outerText}` not supported", aliasSelector.outerText);
}
yield return(r);
}
}
}
