/// <summary>
/// Creates a DataDir for a generic path for the calling assembly.
/// </summary>
public static DataDir Create(DataDirType type = DataDirType.RoamingUser)
{
var calling = Assembly.GetCallingAssembly();
string title = calling.GetCustomAttributes <AssemblyTitleAttribute>().Select(attr => attr.Title).FirstOrDefault();
string companyName = calling.GetCustomAttributes <AssemblyCompanyAttribute>().Select(attr => attr.Company).FirstOrDefault();
return(Create(string.IsNullOrEmpty(title) ? calling.GetName().Name : title, companyName, type));
}
/// <summary>
/// Creates a DataDir for a generic path for the provided application name.
/// </summary>
public static DataDir Create(string applicationName, string companyName = null, DataDirType type = DataDirType.RoamingUser)
{
if (string.IsNullOrEmpty(applicationName))
{
throw new ArgumentException(nameof(applicationName), "Application name cannot be null or empty.");
}
bool isUnix = Environment.OSVersion.Platform == PlatformID.Unix || Environment.OSVersion.Platform == PlatformID.MacOSX;
string parentDirectory;
string homeDirectory = Environment.GetEnvironmentVariable("HOME");
if (!isUnix && string.IsNullOrEmpty(homeDirectory))
{
homeDirectory = Environment.ExpandEnvironmentVariables("%HOMEDRIVE%%HOMEPATH%");
}
if (string.IsNullOrEmpty(homeDirectory))
{
homeDirectory = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
}
switch (type)
{
case DataDirType.RoamingUser:
parentDirectory = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
if (string.IsNullOrEmpty(parentDirectory))
{
parentDirectory = PathType.Combine(homeDirectory, ".config");
}
break;
case DataDirType.LocalUser:
parentDirectory = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
if (string.IsNullOrEmpty(parentDirectory))
{
parentDirectory = PathType.Combine(homeDirectory, ".local", "share");
}
break;
case DataDirType.SystemWide:
parentDirectory = Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData);
if (string.IsNullOrEmpty(parentDirectory))
{
parentDirectory = isUnix ? "/usr/share" : PathType.Combine(homeDirectory, "\\ProgramData");
}
break;
case DataDirType.Temporary:
parentDirectory = PathType.GetTempPath();
break;
case DataDirType.SavedGameData:
parentDirectory = Native.GetKnownFolderPath(
new Guid("4C5C32FF-BB9D-43b0-B5B4-2D72E54EAAA4"),
isUnix ?
PathType.Combine(homeDirectory, ".local/share/games") :
PathType.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "My Games")
);
break;
default:
throw new InvalidOperationException("Unsupported data directory type: " + type.ToString());
}
var invalids = PathType.GetInvalidFileNameChars();
var dataDirName = new StringBuilder();
bool isValid;
// company name subdirectories are common on windows but not on unix
// therefore, only add the company name if not on unix
if (!string.IsNullOrEmpty(companyName) && !isUnix)
{
foreach (char c in companyName)
{
isValid = true;
for (int i = 0; i < invalids.Length; i++)
{
if (invalids[i] == c)
{
isValid = false;
break;
}
}
dataDirName.Append(isValid ? c : '_');
}
dataDirName.Append(PathType.DirectorySeparatorChar);
}
foreach (char c in applicationName)
{
isValid = true;
for (int i = 0; i < invalids.Length; i++)
{
if (invalids[i] == c)
{
isValid = false;
break;
}
}
dataDirName.Append(isValid ? c : '_');
}
// check for reserved file names, and do something about it if necessary
foreach (string part in dataDirName.ToString().Split(PathType.DirectorySeparatorChar))
{
isValid = true;
if (part == "." || part == "..")
{
isValid = false;
}
// thanks dos. thos.
if (!isUnix)
{
if (part.Length == 3)
{
switch (part.ToUpperInvariant())
{
case "CON":
case "PRN":
case "AUX":
case "NUL":
isValid = false;
break;
}
}
else if (part.Length == 4)
{
switch (part.Substring(0, 3).ToUpperInvariant())
{
case "COM":
case "LPT":
isValid = false;
break;
}
}
}
if (isValid)
{
parentDirectory = PathType.Combine(parentDirectory, part);
}
else
{
parentDirectory = PathType.Combine(parentDirectory, part + "_");
}
}
var dir = new DataDir(parentDirectory);
dir.CreateIfNotExists();
return(dir);
}
