public void Extension(string extender, string @base)
{
_logs.FindByName(@base)
.Add(_provenance, "Extending with {0}".ToFormat(extender));
_logs.FindByName(extender)
.Add(_provenance, "Extends {0}".ToFormat(@base));
_inner.Extension(extender, @base);
}
/// <summary>
/// Register an extension relationship between two assets
/// </summary>
/// <param name="base"></param>
/// <returns></returns>
public AssetsExpression Extends(string @base)
{
_registration.Extension(_assetName, @base);
return(_parent);
}
public void ReadLine(string text)
{
if (text.Trim().IsEmpty())
{
return;
}
if (text.Trim().StartsWith("#"))
{
return;
}
var tokens = new Queue <string>(StringTokenizer.Tokenize(text.Replace(',', ' ')));
if (tokens.Count == 1)
{
if (_readerAction == null)
{
throw new InvalidSyntaxException("Not enough tokens in the command line");
}
_readerAction(tokens.First());
return;
}
_lastName = null;
_readerAction = null;
if (tokens.Count() < 3)
{
throw new InvalidSyntaxException("Not enough tokens in the command line");
}
var key = tokens.Dequeue();
var verb = tokens.Dequeue();
if (key == "ordered")
{
handleOrderedSet(tokens, verb);
return;
}
// TODO -- time for something more sophisticated here
if (key == "apply")
{
readPolicy(tokens, verb);
return;
}
if (key == "combine")
{
readCombination(tokens, verb);
return;
}
switch (verb)
{
case "is":
if (tokens.Count > 1)
{
throw new InvalidSyntaxException("Only one name can appear on the right side of the 'is' verb");
}
_registration.Alias(tokens.Dequeue(), key);
break;
case "requires":
tokens.Each(name => _registration.Dependency(key, name));
break;
case "extends":
if (tokens.Count > 1)
{
throw new InvalidSyntaxException("Only one name can appear on the right side of the 'extends' verb");
}
_registration.Extension(key, tokens.Single());
break;
case "includes":
tokens.Each(name => _registration.AddToSet(key, name));
break;
case "preceeds":
tokens.Each(name => _registration.Preceeding(key, name));
break;
default:
string message = "'{0}' is an invalid verb".ToFormat(verb);
throw new InvalidSyntaxException(message);
}
}