public static bool Ends(this ITokenStream stream, string type, ILogger logger, out Token[] row, out string token0)
{
row = stream.PeekNonEmpty();
if (row == null)
{
token0 = null;
return(true);
}
token0 = row[0].Value.ToLower();
if (token0 == "end")
{
if (row.Length > 1)
{
if (!string.Equals(row[1].Value, type, StringComparison.OrdinalIgnoreCase))
{
logger?.WriteLine($"Warning: Expected 'end {type}' at {stream.Path}:{stream.Line}.");
}
}
stream.Move();
return(true);
}
return(false);
}
public static bool Starts(this ITokenStream stream, string type, ILogger logger, out string name)
{
var row = stream.PeekNonEmpty();
if (row == null)
{
name = null;
return(false);
}
if (string.Equals(row[0].Value, type, StringComparison.OrdinalIgnoreCase))
{
if (row.Length > 1)
{
name = row[1].Value;
}
else
{
name = null;
logger?.WriteLine($"Warning: No item name at {stream.Path}:{stream.Line}. Items without a name may get ignored.");
}
stream.Move();
return(true);
}
name = null;
return(false);
}
public static bool Starts(this ITokenStream stream, string type)
{
var row = stream.PeekNonEmpty();
if (row == null)
{
return(false);
}
if (string.Equals(row[0].Value, type, StringComparison.OrdinalIgnoreCase))
{
stream.Move();
return(true);
}
return(false);
}
public static RootConfiguration Parse(ITokenStream stream, ILogger logger)
{
var config = new RootConfiguration();
while (true)
{
var tokens = stream.PeekNonEmpty();
if (tokens == null)
{
break;
}
var token0 = tokens[0].Value.ToLower();
var token1 = tokens.Length > 1 ? tokens[1].Value : null;
var token2 = tokens.Length > 2 ? tokens[2].Value : null;
switch (token0)
{
case "bind":
var binding = ParseCommandBinding(stream, logger);
if (binding != null)
{
config.Bindings.Add(binding);
}
stream.Move();
break;
case "profile":
var profile = ParseProfile(stream, logger);
if (profile != null)
{
config.Profiles.Add(profile);
}
break;
case "menu":
var menu = ParseMenuConfiguration(stream, logger);
if (menu != null)
{
config.Menus.Add(menu);
}
break;
default:
if (tokens.Length < 3 || token1 != "=")
{
logger?.WriteLine($"Error: Malformed line at {stream.Path}:{stream.Line}.");
stream.Move();
break;
}
if (token0 == "fps")
{
if (InvariantDouble.TryParse(token2, out var fps) && fps >= 1d && fps <= 300d)
{
config.Fps = fps;
}
else
{
logger?.WriteLine(
$"Warning: Invalid FPS value '{token2}' at '{token0}' at {stream.Path}:{stream.Line}.");
}
}
else if (config.Descriptors.TryGetValue(token0, out var descriptor))
{
if (!descriptor.isValidValue(token2))
{
logger?.WriteLine(
$"Warning: Value '{token2}' is invalid or out of range for key '{token0}' at {stream.Path}:{stream.Line}. Default value is assigned.");
}
descriptor.SetValue(token2);
}
else
{
logger?.WriteLine($"Error: Unknown key '{token0}' at {stream.Path}:{stream.Line}.");
}
stream.Move();
break;
}
}
config.InitializeProfiles();
return(config);
}