private static int RunFormat(CommandLineOptions options)
{
var cts = new CancellationTokenSource();
var ct = cts.Token;
Console.CancelKeyPress += delegate { cts.Cancel(); };
try
{
RunFormatAsync(options, ct).Wait(ct);
Console.WriteLine("Completed formatting.");
return 0;
}
catch (AggregateException ex)
{
var typeLoadException = ex.InnerExceptions.FirstOrDefault() as ReflectionTypeLoadException;
if (typeLoadException == null)
throw;
Console.WriteLine("ERROR: Type loading error detected. In order to run this tool you need either Visual Studio 2015 or Microsoft Build Tools 2015 tools installed.");
var messages = typeLoadException.LoaderExceptions.Select(e => e.Message).Distinct();
foreach (var message in messages)
Console.WriteLine("- {0}", message);
return 1;
}
}
private static async Task<int> RunFormatAsync(CommandLineOptions options, CancellationToken cancellationToken)
{
var engine = FormattingEngine.Create();
engine.PreprocessorConfigurations = options.PreprocessorConfigurations;
engine.FileNames = options.FileNames;
engine.CopyrightHeader = options.CopyrightHeader;
engine.AllowTables = options.AllowTables;
engine.Verbose = options.Verbose;
if (!SetRuleMap(engine, options.RuleMap))
{
return 1;
}
foreach (var item in options.FormatTargets)
{
await RunFormatItemAsync(engine, item, options.Language, cancellationToken);
}
return 0;
}
public static CommandLineParseResult CreateSuccess(CommandLineOptions options)
{
return new CommandLineParseResult(options: options);
}
private CommandLineParseResult(CommandLineOptions options = null, string error = null)
{
_options = options;
_error = error;
}
public static bool TryParse(string[] args, out CommandLineOptions options)
{
var result = Parse(args);
options = result.IsSuccess ? result.Options : null;
return result.IsSuccess;
}
public static CommandLineParseResult Parse(string[] args)
{
var comparer = StringComparer.OrdinalIgnoreCase;
var comparison = StringComparison.OrdinalIgnoreCase;
var formatTargets = new List<string>();
var fileNames = new List<string>();
var configBuilder = ImmutableArray.CreateBuilder<string[]>();
var copyrightHeader = FormattingDefaults.DefaultCopyrightHeader;
var ruleMap = ImmutableDictionary<string, bool>.Empty;
var language = LanguageNames.CSharp;
var allowTables = false;
var verbose = false;
ruleMap = ruleMap.SetItem(FormattingDefaults.CopyrightRuleName, false);
for (int i = 0; i < args.Length; i++)
{
string arg = args[i];
if (arg.StartsWith(ConfigSwitch, StringComparison.OrdinalIgnoreCase))
{
var all = arg.Substring(ConfigSwitch.Length);
var configs = all.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
configBuilder.Add(configs);
}
else if (arg.StartsWith(CopyrightSwitch, StringComparison.OrdinalIgnoreCase))
{
var fileName = arg.Substring(CopyrightSwitch.Length);
try
{
copyrightHeader = ImmutableArray.CreateRange(File.ReadAllLines(fileName));
}
catch (Exception ex)
{
string error = string.Format("Could not read {0}{1}{2}",
fileName,
Environment.NewLine,
ex.Message);
return CommandLineParseResult.CreateError(error);
}
}
else if (arg.StartsWith(LanguageSwitch, StringComparison.OrdinalIgnoreCase))
{
language = arg.Substring(LanguageSwitch.Length);
}
else if (comparer.Equals(arg, "/withcopyright"))
{
ruleMap = ruleMap.SetItem(FormattingDefaults.CopyrightRuleName, true);
}
else if (comparer.Equals(arg, "/nounicode"))
{
ruleMap = ruleMap.SetItem(FormattingDefaults.UnicodeLiteralsRuleName, false);
}
else if (comparer.Equals(arg, "/verbose"))
{
verbose = true;
}
else if (arg.StartsWith(FileSwitch, comparison))
{
fileNames.Add(arg.Substring(FileSwitch.Length));
}
else if (arg.StartsWith(RuleEnabledSwitch1, comparison))
{
UpdateRuleMap(ref ruleMap, arg.Substring(RuleEnabledSwitch1.Length), enabled: true);
}
else if (arg.StartsWith(RuleEnabledSwitch2, comparison))
{
UpdateRuleMap(ref ruleMap, arg.Substring(RuleEnabledSwitch2.Length), enabled: true);
}
else if (arg.StartsWith(RuleDisabledSwitch, comparison))
{
UpdateRuleMap(ref ruleMap, arg.Substring(RuleDisabledSwitch.Length), enabled: false);
}
else if (comparer.Equals(arg, "/tables"))
{
allowTables = true;
}
else if (comparer.Equals(arg, "/rules"))
{
return CommandLineParseResult.CreateSuccess(CommandLineOptions.ListRules);
}
else
{
formatTargets.Add(arg);
}
}
if (formatTargets.Count == 0)
{
return CommandLineParseResult.CreateError("Must specify at least one project / solution / rsp to format");
}
var options = new CommandLineOptions(
Operation.Format,
configBuilder.ToImmutableArray(),
copyrightHeader,
ruleMap,
formatTargets.ToImmutableArray(),
fileNames.ToImmutableArray(),
language,
allowTables,
verbose);
return CommandLineParseResult.CreateSuccess(options);
}
