private static string CheckAppManifest(string steamapps, Game game)
{
if (game.SteamID == 0)
{
return(null);
}
string appManifest = Path.Combine(steamapps,
string.Format(AppManifest, game.SteamID));
var collection = ParseValveFile(appManifest);
if (collection == null)
{
return(null);
}
if (!collection.TryGetValue("AppState/installdir", out string installDir))
{
return(null);
}
installDir = Path.Combine(steamapps, "common", installDir);
if (!PathHelper.IsValidDirectory(installDir))
{
return(null);
}
if (!Directory.Exists(installDir))
{
return(null);
}
return(installDir);
}
public static string[] LocateSteamFolders()
{
List <string> steamPaths = new List <string>();
try {
string primary = (string)Registry.GetValue(SteamKey, "SteamPath", null);
if (primary != null && PathHelper.IsValidDirectory(primary))
{
primary = Path.Combine(primary, SteamApps).Replace('/', '\\');
steamPaths.Add(
PathHelper.GetProperDirectoryCapitalization(primary));
string libraryFolders = Path.Combine(primary, SteamLibraryFolders);
/*if (File.Exists(libraryFolders)) {
* try {
* string text;
* using (Stream stream = File.OpenRead(libraryFolders)) {
* StreamReader reader = new StreamReader(stream);
* text = reader.ReadToEnd();
* }
* ReadLibraryFolders(steamPaths, text);
* }
* catch (Exception) { }
* }*/
var collection = ParseValveFile(libraryFolders);
if (collection != null)
{
int index = 1;
while (collection.TryGetValue(
$"LibraryFolders/{index}", out string path))
{
if (PathHelper.IsValidDirectory(path) &&
Directory.Exists(path))
{
steamPaths.Add(
PathHelper.GetProperDirectoryCapitalization(path));
}
index++;
}
}
}
}
catch (Exception) { }
return(steamPaths.ToArray());
}
private static void ReadLibraryFolders(List <string> steamPaths, string text)
{
int level = 0;
string path = "";
string lastToken = "";
bool isName = false;
bool isValue = false;
bool building = false;
string token = "";
bool escape = false;
for (int i = 0; i < text.Length; i++)
{
char c = text[i];
if (!building)
{
if (char.IsWhiteSpace(c))
{
continue;
}
else if (c == '{')
{
if (isName) // Was the last token a name?
{
level++;
path += $"/{lastToken}";
isName = false;
isValue = false;
}
else
{
// Error
return;
}
}
else if (c == '}')
{
if (level > 0 && !isName) // Are we high enough and not defining something?
{
level--;
path = path.Substring(0, path.LastIndexOf('/'));
isName = false;
isValue = false;
}
else
{
// Error
return;
}
}
else if (c == '"')
{
if (isName)
{
isName = false;
isValue = true;
}
else
{
isValue = false;
isName = true;
}
building = true;
}
else
{
// Error: Unknown character
return;
}
}
else if (escape)
{
token += c;
escape = false;
}
else if (c == '\\')
{
escape = true;
}
else if (c == '"')
{
if (isValue && path == "/LibraryFolders" &&
int.TryParse(lastToken, out _) &&
PathHelper.IsValidDirectory(token))
{
steamPaths.Add(Path.Combine(token, SteamApps));
}
lastToken = token;
token = "";
building = false;
}
else
{
token += c;
}
}
if (building || isName || level != 0)
{
// Error: Nothing we can do now
}
}
