public override ConfigurationSection ProcessConfigurationSection(ConfigurationSection configSection)
{
// Expand mode only works on the raw string input
if (Mode == KeyValueMode.Expand)
{
return(configSection);
}
// See if we know how to process this section
ISectionHandler handler = SectionHandlersSection.GetSectionHandler(configSection);
if (handler == null)
{
return(configSection);
}
if (configSection.SectionInformation?.SectionName == "appSettings")
{
_appSettings = configSection as AppSettingsSection;
}
// Strict Mode. Only replace existing key/values.
if (Mode == KeyValueMode.Strict)
{
foreach (var configItem in handler)
{
// Presumably, UpdateKey will preserve casing appropriately, so newKey is cased as expected.
string newKey = UpdateKey(configItem.Key);
string newValue = GetValueInternal(configItem.Key);
if (newValue != null)
{
handler.InsertOrUpdate(newKey, newValue, configItem.Key, configItem.Value);
}
}
}
// Greedy Mode. Insert all key/values.
else if (Mode == KeyValueMode.Greedy)
{
EnsureGreedyInitialized();
foreach (KeyValuePair <string, string> kvp in _cachedValues)
{
if (kvp.Value != null)
{
// Here, kvp.Key is not from the config file, so it might not be correctly cased. Get the correct casing for UpdateKey.
string oldKey = TrimPrefix(kvp.Key);
string newKey = UpdateKey(handler.TryGetOriginalCase(oldKey));
handler.InsertOrUpdate(newKey, kvp.Value, oldKey);
}
}
}
return(configSection);
}
