public override V GetPropertyValue <K, V>(PropertyConfig <K, V> config)
{
if (!(config.Key is ILabeledKey))
{
return(base.GetPropertyValue(config));
}
IPropertyConfig noLabelConfig = AbstractLabeledConfigurationSource.MakeNoLabelConfig(config);
return((V)GetNoLabelPropertyValue(noLabelConfig));
}
protected override Tuple <object, IConfigurationSource> DoGetPropertyValue <K, V>(PropertyConfig <K, V> propertyConfig)
{
if (propertyConfig == null)
{
throw new ArgumentNullException("propertyConfig is null");
}
if (!(propertyConfig.Key is ILabeledKey))
{
return(base.DoGetPropertyValue(propertyConfig));
}
IPropertyConfig noLabelPropertyConfig =
AbstractLabeledConfigurationSource.MakeNoLabelConfig(propertyConfig);
for (PropertyLabels propertyLabels = ((ILabeledKey)propertyConfig.Key).Labels;
propertyLabels != null; propertyLabels = propertyLabels.Alternative)
{
foreach (IConfigurationSource source in SortedSources.Values)
{
if (!(source is ILabeledConfigurationSource) && propertyLabels.Labels.Count != 0)
{
continue;
}
V value = default(V);
if (propertyLabels.Labels.Count == 0)
{
value = (V)GetPropertyValue(source, noLabelPropertyConfig);
}
else
{
value = (V)GetPropertyValue(source, noLabelPropertyConfig, propertyLabels.Labels);
}
value = ApplyValueFilter(source, propertyConfig, value);
if (!object.Equals(value, default(V)))
{
return(Tuple.Create <object, IConfigurationSource>(value, source));
}
}
}
return(Tuple.Create <object, IConfigurationSource>(propertyConfig.DefaultValue, null));
}
