/// <summary>
/// Produces the specified tokens.
/// </summary>
/// <param name="tokens">The tokens.</param>
/// <param name="indent">The indent.</param>
/// <returns>
/// A new if element.
/// </returns>
public static JElement Produce(TokenStream tokens, int indent)
{
tokens.GetAny(JadeTokenType.If);
tokens.GetAny(TokenType.WhiteSpace);
var expression = new JExpression(tokens.GetLine().AsString());
var trueElements = tokens.GetItems(indent).ToList();
var falseElements = Enumerable.Empty <JElement>();
tokens.TakeSnapshot();
if (tokens.Is(TokenType.WhiteSpace) && tokens.Get().Length == indent && tokens.Is(JadeTokenType.Else))
{
tokens.CommitSnapshot();
tokens.GetLine();
falseElements = tokens.GetItems(indent);
}
else
{
tokens.RollbackSnapshot();
}
return(new JConditional(expression, trueElements, falseElements));
}
/// <summary>
/// Prevents a default instance of the <see cref="JConditional"/> class from being created.
/// </summary>
/// <param name="expression">The expression.</param>
/// <param name="trueElements">The true elements.</param>
/// <param name="falseElements">The false elements.</param>
private JConditional(JExpression expression, IEnumerable <JElement> trueElements, IEnumerable <JElement> falseElements)
{
this.Expression = expression;
this.TrueElements = trueElements;
this.FalseElements = falseElements;
}
