protected override KeyValuePair <Expression, List <KeyValuePair <int, MutatorConfiguration> > > BuildRawMutators <TValue>(Expression <Func <TData, TValue> > path)
{
var node = tree.Traverse(path.Body, create: false);
if (node == null)
{
return(default(KeyValuePair <Expression, List <KeyValuePair <int, MutatorConfiguration> > >));
}
IEnumerable <MutatorConfiguration> mutators;
var alienArray = node.NodeType.IsArray ? node.GetAlienArray() : null;
if (alienArray == null)
{
mutators = node.GetMutators();
}
else
{
var setSourceArrayConfiguration = SetSourceArrayConfiguration.Create(Expression.Lambda(alienArray, alienArray.ExtractParameters()));
mutators = node.GetMutators().Concat(new[] { setSourceArrayConfiguration });
}
return(new KeyValuePair <Expression, List <KeyValuePair <int, MutatorConfiguration> > >(node.Path, mutators.Select(mutator => new KeyValuePair <int, MutatorConfiguration>(priority, mutator)).ToList()));
}
protected List <MutatorConfiguration> Canonize(IEnumerable <KeyValuePair <int, MutatorConfiguration> > mutators)
{
// todo ich: kill, as soon as scripts are fixed
// todo ich: handle validation priorities
if (mutators == null)
{
return(null);
}
var hideIfConfigurations = new List <HideIfConfiguration>();
var disableIfConfigurations = new List <DisableIfConfiguration>();
var staticAggregatorConfigurations = new Dictionary <string, List <ConditionalAggregatorConfiguration> >();
//var validatorConfigurations = new List<KeyValuePair<int, ValidatorConfiguration>>();
SetSourceArrayConfiguration setSourceArrayConfiguration = null;
var otherConfigurations = new List <MutatorConfiguration>();
foreach (var mutator in mutators)
{
if (mutator.Value is HideIfConfiguration)
{
hideIfConfigurations.Add((HideIfConfiguration)mutator.Value);
}
else if (mutator.Value is DisableIfConfiguration)
{
disableIfConfigurations.Add((DisableIfConfiguration)mutator.Value);
}
// else if(mutator.Value is ValidatorConfiguration)
// validatorConfigurations.Add(new KeyValuePair<int, ValidatorConfiguration>(mutator.Key, (ValidatorConfiguration)mutator.Value));
else if (mutator.Value is SetSourceArrayConfiguration)
{
var currentSetSourceArrayConfiguration = (SetSourceArrayConfiguration)mutator.Value;
if (setSourceArrayConfiguration == null)
{
setSourceArrayConfiguration = currentSetSourceArrayConfiguration;
}
else if (!ExpressionEquivalenceChecker.Equivalent(setSourceArrayConfiguration.SourceArray, currentSetSourceArrayConfiguration.SourceArray, false, true))
{
throw new InvalidOperationException("An attempt to set array from different sources: '" + setSourceArrayConfiguration.SourceArray + "' and '" + currentSetSourceArrayConfiguration.SourceArray + "'");
}
}
else if (mutator.Value is ConditionalAggregatorConfiguration)
{
var staticAggregator = (ConditionalAggregatorConfiguration)mutator.Value;
List <ConditionalAggregatorConfiguration> staticAggregators;
if (!staticAggregatorConfigurations.TryGetValue(staticAggregator.Name, out staticAggregators))
{
staticAggregatorConfigurations.Add(staticAggregator.Name, staticAggregators = new List <ConditionalAggregatorConfiguration>());
}
staticAggregators.Add(staticAggregator);
}
else
{
otherConfigurations.Add(mutator.Value);
}
}
if (hideIfConfigurations.Count == 1)
{
otherConfigurations.Add(hideIfConfigurations.Single());
}
else if (hideIfConfigurations.Count > 1)
{
var condition = hideIfConfigurations[0].Condition;
var type = hideIfConfigurations[0].Type;
for (var i = 1; i < hideIfConfigurations.Count; ++i)
{
condition = condition.OrElse(hideIfConfigurations[i].Condition);
}
otherConfigurations.Add(new HideIfConfiguration(type, condition));
}
if (disableIfConfigurations.Count == 1)
{
otherConfigurations.Add(disableIfConfigurations.Single());
}
else if (disableIfConfigurations.Count > 1)
{
var condition = disableIfConfigurations[0].Condition;
var type = disableIfConfigurations[0].Type;
for (var i = 1; i < disableIfConfigurations.Count; ++i)
{
condition = condition.OrElse(disableIfConfigurations[i].Condition);
}
otherConfigurations.Add(new DisableIfConfiguration(type, condition));
}
foreach (var item in staticAggregatorConfigurations)
{
var staticAggregators = item.Value;
if (staticAggregators.Count == 1)
{
otherConfigurations.Add(staticAggregators.Single());
}
else
{
var condition = staticAggregators[0].Condition;
var type = staticAggregators[0].Type;
for (var i = 1; i < staticAggregators.Count; ++i)
{
condition = condition.OrElse(staticAggregators[i].Condition);
}
otherConfigurations.Add(new ConditionalAggregatorConfiguration(type, condition, item.Key));
}
}
if (setSourceArrayConfiguration != null)
{
otherConfigurations.Add(setSourceArrayConfiguration);
}
return(otherConfigurations);
}