internal void AddOrUpdate(SettingsFile settingsFile, string sectionName, SettingItem item)
{
if (string.IsNullOrEmpty(sectionName))
{
throw new ArgumentException(Resources.Argument_Cannot_Be_Null_Or_Empty, nameof(sectionName));
}
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
var currentSettings = Priority.Last(f => f.Equals(settingsFile));
if (settingsFile.IsMachineWide || (currentSettings?.IsMachineWide ?? false))
{
throw new InvalidOperationException(Resources.CannotUpdateMachineWide);
}
if (currentSettings == null)
{
Priority.First().SetNextFile(settingsFile);
}
// If it is an update this will take care of it and modify the underlaying object, which is also referenced by _computedSections.
settingsFile.AddOrUpdate(sectionName, item);
// AddOrUpdate should have created this section, therefore this should always exist.
settingsFile.TryGetSection(sectionName, out var settingFileSection);
// If it is an add we have to manually add it to the _computedSections.
var computedSectionExists = _computedSections.TryGetValue(sectionName, out var section);
if (computedSectionExists && !section.Items.Contains(item))
{
var existingItem = settingFileSection.Items.First(i => i.Equals(item));
section.Add(existingItem);
}
else if (!computedSectionExists)
{
_computedSections.Add(sectionName,
new VirtualSettingSection(settingFileSection));
}
}