protected override void WriteSettings(ICollection <IGrouping <Setting, Setting> > settings)
{
void DeleteObsoleteSettings(RegistryKey registryKey, IGrouping <Setting, Setting> group)
{
var obsoleteNames =
registryKey
.GetValueNames()
.Where(x => RegistryPath.Parse(x).IsLike(group.Key.Name))
.ToList();
obsoleteNames.ForEach(registryKey.DeleteValue);
}
foreach (var group in settings)
{
var subKeyName = Path.Combine(_baseSubKeyName, group.Key.Name.Namespace);
using (var subKey =
_baseKey.OpenSubKey(subKeyName, true) ??
_baseKey.CreateSubKey(subKeyName) ??
throw new OpenOrCreateSubKeyException(_baseKey.Name, _baseSubKeyName, subKeyName)
)
{
DeleteObsoleteSettings(subKey, group);
foreach (var setting in group)
{
if (!_registryValueKinds.TryGetValue(setting.Value.GetType(), out RegistryValueKind registryValueKind))
{
throw new InvalidTypeException(setting.Value.GetType(), SupportedTypes);
}
var registryUrn = new RegistryPath(setting.Name);
subKey.SetValue(registryUrn.StrongName, setting.Value, registryValueKind);
}
}
}
}
public override IEnumerable <Setting> ReadSettings(Setting setting)
{
var registryPath = new RegistryPath(setting.Name);
var subKeyName = Path.Combine(_baseSubKeyName, registryPath.Namespace);
using (
var subKey = _baseKey.OpenSubKey(subKeyName, false) ??
throw new OpenOrCreateSubKeyException(_baseKey.Name, _baseSubKeyName, subKeyName)
)
{
var valueNames = subKey.GetValueNames().Where(x => RegistryPath.Parse(x).IsLike(registryPath));
foreach (var valueName in valueNames)
{
yield return(new Setting
{
Name = SettingPath.Parse(valueName),
Value = subKey.GetValue(valueName)
});
}
}
}
public bool IsLike(RegistryPath registryPath)
{
return(WeakName.Equals(registryPath.WeakName, StringComparison.OrdinalIgnoreCase));
}