private IEnumerable <PropertyDescriptor> FilterIgnoredProperties(
IEnumerable <PropertyDescriptor> propertyDescriptors, object source, MixerSettings settings
)
{
foreach (var prop in propertyDescriptors)
{
var comparison = new Tuple <string, string>(source.GetType().Name, prop.Name);
if (!settings.IgnoredProperties.Contains(comparison))
{
yield return(prop);
}
}
}
public static ExpandoObject MergeObjects(object left, object right)
{
_left = left;
_right = right;
var defaultSettings = new MixerSettings();
var props = GetPropertiesResultSet(_left, _right, defaultSettings);
foreach (var prop in props)
{
AddProperty(_expando, prop.Key, prop.Value);
}
return(_expando);
}
public ExpandoObject MixObjects(object left, object right, MixerSettings settings)
{
_left = left;
_right = right;
var props = GetPropertiesResultSet(_left, _right, settings);
foreach (var prop in props)
{
AddProperty(_expando, prop.Key, prop.Value);
}
return(_expando);
}
private static Dictionary <string, object> GetPropertiesResultSet(object left, object right, MixerSettings settings)
{
var leftDescriptors = GetPropDescriptorsArray(left);
var rightDescriptors = GetPropDescriptorsArray(right);
PropertyComparer <PropertyDescriptor> nameComparer = new PropertyComparer <PropertyDescriptor>(x => x.Name);
var forComparisonDescr = leftDescriptors.Intersect <PropertyDescriptor>(rightDescriptors, nameComparer);
var diffLeftDescr = leftDescriptors.Except <PropertyDescriptor>(rightDescriptors, nameComparer);
var diffRightDescr = rightDescriptors.Except <PropertyDescriptor>(leftDescriptors, nameComparer);
var resultSet = new Dictionary <string, object>();
foreach (var propertyDescriptor in diffLeftDescr)
{
resultSet.Add(propertyDescriptor.Name, propertyDescriptor.GetValue(left));
}
foreach (var propertyDescriptor in diffRightDescr)
{
if (!resultSet.ContainsKey(propertyDescriptor.Name))
{
resultSet.Add(propertyDescriptor.Name, propertyDescriptor.GetValue(right));
}
}
if (settings.Priority == Priority.Left)
{
PopulateComparedResultSetWithPriority(resultSet, forComparisonDescr, _left);
}
else if (settings.Priority == Priority.Right)
{
forComparisonDescr = rightDescriptors.Intersect <PropertyDescriptor>(leftDescriptors);
PopulateComparedResultSetWithPriority(resultSet, forComparisonDescr, _right);
}
else if (settings.Priority == Priority.Merge)
{
PopulateComparedResultSetWithWerge(resultSet, forComparisonDescr);
}
return(resultSet);
}