private static void ExtractAliases(ModelConfigurationNode node, CompositionPerformer performer, List <KeyValuePair <Expression, Expression> > aliases)
{
if (node.GetMutators().Any())
{
var conditionalSetters = performer.GetConditionalSetters(node.Path);
if (conditionalSetters != null && conditionalSetters.Count == 1)
{
var setter = conditionalSetters.Single();
if (setter.Value == null)
{
var chains = setter.Key.CutToChains(true, true);
if (chains.Length == 1)
{
var chain = chains.Single();
aliases.Add(new KeyValuePair <Expression, Expression>(node.Path, chain));
if (IsEachOrCurrent(node.Path))
{
aliases.Add(new KeyValuePair <Expression, Expression>(Expression.Call(MutatorsHelperFunctions.CurrentIndexMethod.MakeGenericMethod(node.Path.Type), node.Path), Expression.Call(MutatorsHelperFunctions.CurrentIndexMethod.MakeGenericMethod(chain.Type), chain)));
}
}
}
}
}
else if (IsEachOrCurrent(node.Path))
{
var conditionalSetters = performer.GetConditionalSetters(((MethodCallExpression)node.Path).Arguments.Single());
if (conditionalSetters != null && conditionalSetters.Count == 1)
{
var setter = conditionalSetters.Single();
if (setter.Value == null)
{
var chains = setter.Key.CutToChains(true, true);
if (chains.Length == 1)
{
var chain = chains.Single();
chain = Expression.Call(MutatorsHelperFunctions.CurrentMethod.MakeGenericMethod(chain.Type.GetItemType()), chain);
aliases.Add(new KeyValuePair <Expression, Expression>(Expression.Call(MutatorsHelperFunctions.CurrentIndexMethod.MakeGenericMethod(node.Path.Type), node.Path), Expression.Call(MutatorsHelperFunctions.CurrentIndexMethod.MakeGenericMethod(chain.Type), chain)));
}
}
}
}
foreach (var child in node.Children)
{
ExtractAliases(child, performer, aliases);
}
}
