/// <summary>
/// Returns items in a container path.
/// </summary>
/// <param name="context">The template context.</param>
/// <param name="span">The source span.</param>
/// <param name="path">The path to query. Wildcard is supported. For recursive search, use the syntax `**\foo.txt`.</param>
/// <param name="type">The type of children items to return. May be one of the following: "leaf", "container" or "any". Defaults to "any".</param>
/// <returns>A list of children items under the path specified.</returns>
/// <remarks>
/// ```template-text
/// {{ '**\fo?.txt' | fs.dir }}
/// ```
/// ```html
/// [C:\foo.txt, C:\temp\foa.txt]
/// ```
/// </remarks>
public static IEnumerable Dir(TemplateContext context, SourceSpan span, string path, string type = "any")
{
if (string.IsNullOrEmpty(path))
{
throw new ScriptRuntimeException(span, string.Format(RS.FSPathRequired, "fs.dir"));
}
PathType pathType = PathType.Any;
if (string.IsNullOrEmpty(type))
{
type = "any";
}
else
{
type = type.ToLowerInvariant();
}
switch (type)
{
case "any":
break;
case "container":
pathType = PathType.Container;
break;
case "leaf":
pathType = PathType.Leaf;
break;
default:
throw new ScriptRuntimeException(span, string.Format(RS.FSUnsupportedType, "fs.dir"));
}
ITemplateLoader templateLoader = context.TemplateLoader;
if (templateLoader == null)
{
throw new ScriptRuntimeException(span, string.Format(RS.NoTemplateLoader, "fs.dir"));
}
return(templateLoader.Enumerate(context, span, path, pathType));
}