private ModelConfigurationNode GotoIndexerOrEachElement([CanBeNull] ModelConfigurationNode child, [NotNull] Expression[] indexerArguments)
{
if (child == null)
{
return(null);
}
var indexerParameters = indexerArguments.Select(exp => ((ConstantExpression)exp).Value).ToArray();
// Try go by 'indexer' edge
var newChild = child.GotoIndexer(indexerParameters, createPath);
if (newChild != null)
{
return(newChild);
}
// If no child exists and create:false go by 'each' edge and create array alias for migration
newChild = child.GotoEachArrayElement(create: false);
if (newChild == null)
{
return(null);
}
var array = GetArrayMigrationAlias(child);
if (array != null)
{
ArrayAliases.Add(new KeyValuePair <Expression, Expression>(
Expression.Call(array, array.Type.GetProperty("Item", BindingFlags.Public | BindingFlags.Instance).GetGetMethod(), indexerArguments),
Expression.Property(array.MakeEachCall(), "Value")));
}
return(newChild.GotoMember(newChild.NodeType.GetProperty("Value", BindingFlags.Public | BindingFlags.Instance), create: false));
}
private ModelConfigurationNode GotoArrayIndexOrEachElement([CanBeNull] ModelConfigurationNode child, [NotNull] Expression index)
{
if (child == null)
{
return(null);
}
var newChild = child.GotoArrayElement(GetIndex(index), createPath);
if (newChild != null)
{
return(newChild);
}
// If no child exists and create:false create array alias for migration and go by 'Each' edge
var array = GetArrayMigrationAlias(child);
if (array != null)
{
ArrayAliases.Add(new KeyValuePair <Expression, Expression>(
Expression.ArrayIndex(array, index),
array.MakeEachCall()));
}
return(child.GotoEachArrayElement(create: false));
}