private static ConfigurationHierarchy GetConfigurationHierarchy(this AnalyzerOptions options)
{
// TryGetValue upfront to avoid allocating createValueCallback if the entry already exists.
if (s_cachedOptions.TryGetValue(options, out var categorizedAnalyzerConfigOptions))
{
return(categorizedAnalyzerConfigOptions);
}
var createValueCallback = new ConditionalWeakTable <AnalyzerOptions, ConfigurationHierarchy> .CreateValueCallback(_ => new ConfigurationHierarchy(GetFromAdditionalFiles()));
return(s_cachedOptions.GetValue(options, createValueCallback));
EditorConfigFile GetFromAdditionalFiles()
{
foreach (var additionalFile in options.AdditionalFiles)
{
var fileName = Path.GetFileName(additionalFile.Path);
if (fileName.Equals(".editorconfig", StringComparison.OrdinalIgnoreCase))
{
var text = additionalFile.GetText();
return(EditorConfigFileParser.Parse(text));
}
}
return(EditorConfigFile.Empty);
}
}
private EditorConfigFile LoadForDirectory(string folderPath)
{
return(_configurationFiles.GetOrAdd(folderPath, path =>
{
var editorConfigurationPath = Path.Combine(path, ".editorconfig");
return EditorConfigFileParser.Load(editorConfigurationPath);
}));
}