/// <summary>
/// Writes the default config file. If overwrite = true, it resets the old one.
/// </summary>
/// <param name="overwrite"></param>
public static void ResetConfigs(bool overwrite = false)
{
if (overwrite && File.Exists(IOPathHelper.GetSettingsFile()))
{
File.Delete(IOPathHelper.GetSettingsFile());
}
if (!File.Exists(IOPathHelper.GetSettingsFile()))
{
// Write the default settings file.
IOPathHelper.CreateDirectory(IOPathHelper.GetConfigsDirectory());
var xmlWriterSettings = new XmlWriterSettings {
NewLineOnAttributes = true, Indent = true
};
using (XmlWriter writer = XmlWriter.Create(IOPathHelper.GetSettingsFile(), xmlWriterSettings))
{
writer.WriteStartDocument();
writer.WriteStartElement("Settings");
foreach (var pair in _defaultSettings)
{
writer.WriteElementString(pair.Key, pair.Value);
}
writer.WriteEndElement();
writer.WriteEndDocument();
}
}
}
/// <summary>
/// Takes in a setting name plus value and updates an existing one.
/// </summary>
/// <param name="name"></param>
/// <param name="value"></param>
public static void SaveSetting(string name, string value)
{
// Do something later if the setting is not valid. An empty value is fine.
if (value != "Void" && !ValidateSetting(name, value))
{
Communication.InformUser("An irregularity was detected while trying to save your configuration.");
return;
}
var setDoc = XDocument.Load(IOPathHelper.GetSettingsFile());
var setDocElements = setDoc.Root.Elements();
foreach (var element in setDocElements)
{
if (element.Name == name)
{
element.Value = value;
}
}
setDoc.Save(IOPathHelper.GetSettingsFile());
}
/// <summary>
/// Gets the value of the given setting name. Returns defautl(T) if setting has no value right now => Void.
/// Throws <see cref="FileLoadException"/> if a setting doesnt exist.
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public static T GetSettingValue <T>(string name)
{
if (!_wellKnownSettings.ContainsKey(name))
{
throw new FileLoadException($"The given setting does not exist: {name}");
}
var setDoc = XDocument.Load(IOPathHelper.GetSettingsFile());
var setDocElements = setDoc.Root.Elements();
foreach (var element in setDocElements)
{
if (element.Name == name)
{
if (element.Value == "Void")
{
return(default(T));
}
if (ValidateSetting(name, element.Value))
{
// Cast the value to the right type that is being given by the settingType
var normalString = element.Value.ToString();
return((T)Convert.ChangeType(normalString, typeof(T)));
}
else
{
Communication.InformUser
("An irregularity was detected in your configuration file. " +
"If you are not aware of ever having changed that file directly, the Guardian suggests starting a scan within the fortress and your Antivirus-Software, " +
$"for it is possible that something malicious crawled through your files. The {TermHelper.GetDatabaseTerm()} however remains save.");
}
}
}
return(default(T));
}
