public void ApplyJSON()
{
if (!File.Exists(JSONConfigFile))
{
Reporter.AddError(ExceptionMessages.config_file_not_existing);
return;
}
JObject baseToken = JObject.Parse(File.ReadAllText(JSONConfigFile));
SafelyPerform((token) =>
{
LanguageServerConfig.LogFile = Path.Combine(FileAndFolderLocations.rootFolder, (string)token);
}, baseToken, "logging", "log");
SafelyPerform((token) =>
{
LanguageServerConfig.RedirectedStreamFile =
Path.Combine(FileAndFolderLocations.rootFolder, (string)token);
}, baseToken, "logging", "stream");
SafelyPerform((token) =>
{
LanguageServerConfig.LogLevel = (LogLevel)(int)token;
}, baseToken, "logging", "loglevel");
SafelyPerform((token) =>
{
LanguageServerConfig.SyncKind = (TextDocumentSyncKind)Enum.Parse(typeof(TextDocumentSyncKind), (string)token, true);
}, baseToken, "synckind");
}
private void HandleArgumentPair(IReadOnlyList <string> splitted)
{
string key = splitted[0];
string value = splitted[1];
if (value.Length < 1)
{
Reporter.AddError(ExceptionMessages.no_arg_for_switch + key);
return;
}
switch (key.ToLower())
{
case "/stream":
LanguageServerConfig.RedirectedStreamFile = Path.Combine(FileAndFolderLocations.rootFolder, value);
break;
case "/log":
LanguageServerConfig.LogFile = Path.Combine(FileAndFolderLocations.rootFolder, value);
break;
case "/loglevel":
LanguageServerConfig.LogLevel = (LogLevel)int.Parse(value);
break;
case "/synckind":
LanguageServerConfig.SyncKind =
(TextDocumentSyncKind)Enum.Parse(typeof(TextDocumentSyncKind), value, true);
break;
default:
Reporter.AddError(string.Format(ExceptionMessages.unknown_switch, key));
break;
}
}
/// <summary>
/// This methods sets up the config.
/// First, defaults are set.
/// Then, they are overwritten by the JSON, if provided.
/// Then, they are overwritten by launch arguments, if provided.
/// <remarks>
/// The method will run to completion and provide defaults in case of errors.
/// In case of errors, they are available in the <c>InitializationErrors</c> property.
/// </remarks>
/// </summary>
public void SetUp()
{
try
{
ApplyDefaults();
ApplyJSON();
ApplyArgs();
Validate();
}
catch (Exception e)
{
Reporter.AddError(e);
ApplyDefaults();
}
}
public void ApplyArgs()
{
foreach (var arg in LaunchArguments)
{
try
{
string[] splitted = arg.Split(':');
if (splitted.Length != 2)
{
Reporter.AddError(ExceptionMessages.not_supported_launch_args);
}
HandleArgumentPair(splitted);
}
catch (Exception e)
{
Reporter.AddError(e);
}
}
}
private void SafelyPerform(Action <JToken> a, JToken baseToken, params string[] subTokens)
{
var token = baseToken;
try
{
foreach (string st in subTokens)
{
token = token[st];
if (token == null)
{
return;
}
}
a.Invoke(token);
}
catch (Exception e)
{
Reporter.AddError(e);
}
}
