/// <summary>
/// Returns whether or not a given <see cref="SettingItem"/> can have a null-value.
/// </summary>
/// <param name="settingItem"></param>
/// <returns></returns>
public static bool CanBeNull(SettingItem settingItem)
{
return(!settingItem.SettingType.IsValueType);
}
/// <summary>
/// Initializes a new instance of the <see cref="SettingDescriptor"/> class.
/// </summary>
/// <param name="identifier">The identifier.</param>
/// <param name="settingItem">The setting item.</param>
internal SettingDescriptor(string identifier, SettingItem settingItem)
{
this.Identifier = identifier;
this.SettingItem = (SettingItem)settingItem.Clone();
}
private static SettingsConfigurationFile ParseVersion1(XElement rootE)
{
string identifier = rootE.TryGetAttributeValue("Identifier", null);
if (string.IsNullOrWhiteSpace(identifier))
{
return(null);
}
int iSetting = 0;
List <SettingItem> settings = new List <SettingItem>();
foreach (XElement settingE in rootE.Elements("Setting"))
{
// Dissect the element and retrieve all attributes
string name = settingE.TryGetAttributeValue("Name", null);
if (string.IsNullOrWhiteSpace(name))
{
Logger.Instance.LogFormat(LogType.Warning, typeof(SettingsConfigurationFileParser), Properties.Resources.SettingItemInvalidName, iSetting + 1);
continue;
}
string typeName = settingE.TryGetAttributeValue("Type", null);
if (string.IsNullOrWhiteSpace(typeName))
{
Logger.Instance.LogFormat(LogType.Warning, typeof(SettingsConfigurationFileParser), Properties.Resources.SettingItemEmptyType, name);
continue;
}
if (!SupportedSettingTypes.Contains(typeName))
{
Logger.Instance.LogFormat(LogType.Warning, typeof(SettingsConfigurationFileParser), Properties.Resources.SettingItemInvalidType, typeName, string.Join(",", SupportedSettingTypes));
continue;
}
bool isNull = settingE.TryGetAttributeValue("IsNull", false);
// Read the setting value. If it contains a CDATA, then we need to process that first.
string valueString = null;
XNode valueNode = settingE.DescendantNodes().FirstOrDefault();
if (valueNode != null)
{
switch (valueNode.NodeType)
{
case System.Xml.XmlNodeType.CDATA:
case System.Xml.XmlNodeType.Text:
valueString = ((XText)valueNode).Value;
break;
default:
Logger.Instance.LogFormat(LogType.Warning, typeof(SettingsConfigurationFile), Properties.Resources.SettingsConfigurationEmbResInvalidValueContent, valueNode.NodeType, name);
break;
}
}
// TODO: This will work only with primitive types (String, Boolean etc.). This could be made extensible to allow storing other types as well.
Type type = Type.GetType(typeName);
object defaultValue = Convert.ChangeType(valueString, type, CultureInfo.InvariantCulture);
SettingItem settingItem = new SettingItem(name, defaultValue, defaultValue, type);
settings.Add(settingItem);
iSetting++;
}
return(new SettingsConfigurationFile(identifier, settings));
}
