/// <summary>
/// Get default file paths (including filename) for possible NLog config files.
/// </summary>
public IEnumerable <string> GetDefaultCandidateConfigFilePaths(string fileName)
{
// NLog.config from application directory
string nlogConfigFile = fileName ?? "NLog.config";
string baseDirectory = PathHelpers.TrimDirectorySeparators(LogFactory.CurrentAppDomain?.BaseDirectory);
if (!string.IsNullOrEmpty(baseDirectory))
{
yield return(Path.Combine(baseDirectory, nlogConfigFile));
}
string nLogConfigFileLowerCase = nlogConfigFile.ToLower();
bool platformFileSystemCaseInsensitive = nlogConfigFile == nLogConfigFileLowerCase || PlatformDetector.IsWin32;
if (!platformFileSystemCaseInsensitive && !string.IsNullOrEmpty(baseDirectory))
{
yield return(Path.Combine(baseDirectory, nLogConfigFileLowerCase));
}
#if !SILVERLIGHT && !NETSTANDARD1_3
var entryAssemblyLocation = PathHelpers.TrimDirectorySeparators(AssemblyHelpers.GetAssemblyFileLocation(System.Reflection.Assembly.GetEntryAssembly()));
if (!string.IsNullOrEmpty(entryAssemblyLocation))
{
if (!string.Equals(entryAssemblyLocation, baseDirectory, StringComparison.OrdinalIgnoreCase))
{
yield return(Path.Combine(entryAssemblyLocation, nlogConfigFile));
if (!platformFileSystemCaseInsensitive)
{
yield return(Path.Combine(entryAssemblyLocation, nLogConfigFileLowerCase));
}
}
}
#endif
if (string.IsNullOrEmpty(baseDirectory))
{
yield return(nlogConfigFile);
if (!platformFileSystemCaseInsensitive)
{
yield return(nLogConfigFileLowerCase);
}
}
if (fileName == null)
{
// Current config file with .config renamed to .nlog
string configurationFile = LogFactory.CurrentAppDomain?.ConfigurationFile;
if (!StringHelpers.IsNullOrWhiteSpace(configurationFile))
{
yield return(Path.ChangeExtension(configurationFile, ".nlog"));
// .nlog file based on the non-vshost version of the current config file
const string vshostSubStr = ".vshost.";
if (configurationFile.Contains(vshostSubStr))
{
yield return(Path.ChangeExtension(configurationFile.Replace(vshostSubStr, "."), ".nlog"));
}
}
}
IEnumerable <string> privateBinPaths = LogFactory.CurrentAppDomain.PrivateBinPath;
if (privateBinPaths != null)
{
foreach (var privatePath in privateBinPaths)
{
var path = PathHelpers.TrimDirectorySeparators(privatePath);
if (!StringHelpers.IsNullOrWhiteSpace(path) && !string.Equals(path, baseDirectory, StringComparison.OrdinalIgnoreCase))
{
yield return(Path.Combine(path, nlogConfigFile));
if (!platformFileSystemCaseInsensitive)
{
yield return(Path.Combine(path, nLogConfigFileLowerCase));
}
}
}
}
#if !SILVERLIGHT && !NETSTANDARD1_0
if (fileName == null)
{
// Get path to NLog.dll.nlog only if the assembly is not in the GAC
var nlogAssembly = typeof(LogFactory).GetAssembly();
if (!string.IsNullOrEmpty(nlogAssembly?.Location) && !nlogAssembly.GlobalAssemblyCache)
{
yield return(nlogAssembly.Location + ".nlog");
}
}
#endif
}
private static string LookupEntryAssemblyLocation()
{
return(AssemblyHelpers.GetAssemblyFileLocation(System.Reflection.Assembly.GetEntryAssembly()));
}