public void ShouldSetTheItemsWhenCreatingATokenLineStream()
{
var lines = new[] { new TokenLine(new StringToken[] { }) };
var tokenStream = new TokenLineStream(lines);
CollectionAssert.AreEqual(lines, tokenStream.GetAll());
}
/// <summary>
/// Parses the next element.
/// </summary>
/// <param name="lines">The lines.</param>
/// <returns>An element if one is found; otherwise, null.</returns>
public JElement ParseNextElement(TokenLineStream lines)
{
lines.CheckNull("lines");
lines.Check(
l => !l.IsAtEnd(),
l => new InvalidOperationException("Next element cannot be parsed when there are no lines available."));
var tokens = lines.Current;
lines.Consume();
tokens.ConsumeAny(TokenType.WhiteSpace);
try
{
return(this.parsers.FirstOrDefault(parser => parser.CanParse(tokens)).With(p => p.Parse(tokens)));
}
finally
{
tokens.ConsumeAny(JadeTokenType.NewLine);
if (!tokens.IsAtEnd())
{
tokens.RaiseUnexpectedToken();
}
}
}
/// <summary>
/// Gets the hierarchy.
/// </summary>
/// <param name="tokenLines">The token lines.</param>
/// <returns>The line hierarchy.</returns>
public static LineHierarchy[] GetHierarchy(this TokenLineStream tokenLines)
{
var lines = new List <LineHierarchy>();
while (!tokenLines.IsAtEnd())
{
lines.Add(new LineHierarchy()
{
Children = tokenLines.Current.Children.GetHierarchy()
});
tokenLines.Consume();
}
return(lines.ToArray());
}
