private void ConfigureCustomFields(ConverterConfigurator <TSource, TDest> configurator)
{
var sourceParameter = Expression.Parameter(typeof(TSource));
var destParameter = Expression.Parameter(typeof(TDest));
var tree = configurator.GetTree();
var subNodes = new List <ModelConfigurationNode>();
tree.FindSubNodes(subNodes);
var dependencies = from node in subNodes
from mutator in node.GetMutators()
where mutator is EqualsToConfiguration
from dependency in ((EqualsToConfiguration)mutator).Value.ExtractPrimaryDependencies()
select new ExpressionWrapper(dependency.Body, false);
var hashset = new HashSet <ExpressionWrapper>(dependencies);
Func <Expression, bool> sourceCustomFieldFits = path => !hashset.Contains(new ExpressionWrapper(path, false));
Func <Expression, bool> destCustomFieldFits = path =>
{
var node = tree.Traverse(path, false);
if (node == null)
{
return(true);
}
return(node.GetMutators().Length == 0);
};
ConfigureCustomFields(configurator, Expression.Lambda(sourceParameter, sourceParameter), Expression.Lambda(destParameter, destParameter), sourceCustomFieldFits, destCustomFieldFits);
ConfigureCustomFieldsForArrays(configurator, typeof(TDest), Expression.Lambda(destParameter, destParameter), sourceCustomFieldFits, destCustomFieldFits);
}
private void ConfigureCustomFieldsForArrays(ConverterConfigurator <TSource, TDest> configurator, Type type, LambdaExpression pathToDestChild, Func <Expression, bool> sourceCustomFieldFits, Func <Expression, bool> destCustomFieldFits)
{
if (type == null || IsALeaf(type))
{
return;
}
var tree = configurator.GetTree();
var properties = type.GetOrderedProperties();
var parameter = Expression.Parameter(type);
foreach (var property in properties)
{
var pathToNextDestChild = pathToDestChild.Merge(Expression.Lambda(Expression.Property(parameter, property), parameter));
if (!property.PropertyType.IsArray)
{
ConfigureCustomFieldsForArrays(configurator, property.PropertyType, pathToNextDestChild, sourceCustomFieldFits, destCustomFieldFits);
}
else
{
var pathToDestArray = pathToNextDestChild.Body;
var node = tree.Traverse(pathToDestArray, false);
if (node == null)
{
continue;
}
var arrays = node.GetArrays();
if (!arrays.TryGetValue(typeof(TSource), out var pathToSourceArray))
{
continue;
}
var pathToDestArrayItem = Expression.Call(MutatorsHelperFunctions.EachMethod.MakeGenericMethod(pathToDestArray.Type.GetItemType()), pathToDestArray);
var pathToSourceArrayItem = Expression.Call(MutatorsHelperFunctions.EachMethod.MakeGenericMethod(pathToSourceArray.Type.GetItemType()), pathToSourceArray);
ConfigureCustomFields(configurator, Expression.Lambda(pathToSourceArrayItem, pathToSourceArray.ExtractParameters()), Expression.Lambda(pathToDestArrayItem, pathToDestArray.ExtractParameters()), sourceCustomFieldFits, destCustomFieldFits);
}
}
}