protected override Maybe <IReportNode> Execute(TextParser p)
{
p.PushBookmark();
var word = p.Word();
if (!word)
{
return(Error(word));
}
int amount = 1;
if (word.Match("unlimited"))
{
amount = -1;
p.RemoveBookmark();
}
else
{
var intAmount = word.Integer();
if (intAmount)
{
amount = intAmount.Value;
p.RemoveBookmark();
}
else
{
p.PopBookmark();
}
}
Maybe <string> name = p.SkipWhitespaces().Before("[").SkipWhitespacesBackwards().AsString();
if (!name)
{
return(Error(name));
}
Maybe <string> code = p.Between("[", "]").AsString();
if (!code)
{
return(Error(code));
}
Maybe <int> price = p.Try(parser => parser.SkipWhitespaces().Word().Match("at")
? p.SkipWhitespaces().Word().Seek(1).Integer()
: Maybe <int> .NA
);
return(Ok(ReportNode.Object(
ReportNode.Int("amount", amount),
ReportNode.Str("name", name),
ReportNode.Str("code", code),
price ? ReportNode.Int("price", price) : null
)));
}
