public static bool TryParse(TextSpan field, [NotNullWhen(true)] out AutomaticLanguage?result)
{
if (!field.StartsWith("AUTO:LANG|"))
{
result = null;
return(false);
}
var value = field.Substring("AUTO:LANG|".Length);
var parts = value.Split('|').ToArray();
Helpers.CheckForMODorCOPYorCLEAR(parts[0]);
var firstPart = parts[0];
string?name = null;
string?type = null;
bool invert = false;
bool all = false;
if (firstPart.StartsWith("TYPE="))
{
type = firstPart.Substring("TYPE=".Length).Value;
}
else if (firstPart.StartsWith("!TYPE="))
{
type = firstPart.Substring("!TYPE=".Length).Value;
invert = true;
}
else if (firstPart.Value == "ALL")
{
all = true;
}
else
{
name = firstPart.Value;
}
var conditions = new List <Condition>();
foreach (var part in parts.Skip(1))
{
if (!Condition.TryParse(part, out Condition? condition))
{
throw new ParseFailedException(part, "Unable to parse Condition.");
}
conditions.Add(condition);
}
result = new AutomaticLanguage(conditions, name, type, invert, all);
return(true);
}