private static AppArgs ParseArgsImpl(String[] args)
{
if (args.Length == 1 && String.Equals(args[0], HelpOption))
{
return(new AppArgs(AppUsageMode.Help));
}
if (args.Length == 1 && String.Equals(args[0], VersionOption))
{
return(new AppArgs(AppUsageMode.Version));
}
ISet <String> parsedOptions = new HashSet <String>();
AppArgs appArgs = new AppArgs(AppUsageMode.Analysis);
foreach (String arg in args)
{
if (arg.StartsWith(SourceOption))
{
if (!parsedOptions.Add(SourceOption))
{
return(new AppArgs(AppUsageMode.BadSource));
}
String source = EnvironmentVariableHelper.ExpandEnvironmentVariables(arg.Substring(SourceOption.Length));
if (String.IsNullOrEmpty(source))
{
return(new AppArgs(AppUsageMode.BadSource));
}
appArgs.Source = source;
}
else if (arg.StartsWith(ConfigOption))
{
if (!parsedOptions.Add(ConfigOption))
{
return(new AppArgs(AppUsageMode.BadConfig));
}
String config = EnvironmentVariableHelper.ExpandEnvironmentVariables(arg.Substring(ConfigOption.Length));
if (String.IsNullOrEmpty(config))
{
return(new AppArgs(AppUsageMode.BadConfig));
}
appArgs.Config = config;
}
else if (arg.StartsWith(OutputLevelOption))
{
if (!parsedOptions.Add(OutputLevelOption))
{
return(new AppArgs(AppUsageMode.BadAppUsage));
}
if (!Enum.TryParse(arg.Substring(OutputLevelOption.Length), out OutputLevel outputLevel))
{
return(new AppArgs(AppUsageMode.BadAppUsage));
}
appArgs.OutputLevel = outputLevel;
}
else
{
return(new AppArgs(AppUsageMode.BadAppUsage));
}
}
return(String.IsNullOrEmpty(appArgs.Source) ? new AppArgs(AppUsageMode.BadAppUsage) : appArgs);
}
// TODO (std_string) : think about non-recursive version of this impl
private ConfigData LoadImpl(String sourceImportName, String parentConfig)
{
String importName = EnvironmentVariableHelper.ExpandEnvironmentVariables(sourceImportName).Replace("/", "\\");
if (String.IsNullOrEmpty(importName))
{
throw new PorterConfigException($"Bad import name value \"{sourceImportName}\" in the config \"{parentConfig}\"");
}
// TODO (std_string) : we must know how to process case when importName will be relative to porter directory (if 'use_porter_home_directory_while_resolving_path' option is enabled)
String importConfigName = Path.IsPathRooted(importName) ? importName : Path.Combine(Path.GetDirectoryName(parentConfig) ?? String.Empty, importName);
XDocument document = XDocument.Load(importConfigName);
return(LoadImpl(document.Root, importConfigName));
}
