private static IEnumerable <IEnumerable <OptionSource> > GetConfig <TOptions>(string[] args, string environmentPrefix, string defaultConfigLocation = null) where TOptions : class, IOptions, new()
{
var commandline = CommandLine.Parse <TOptions>(args).Normalize();
var commanddict = commandline.ToDictionary(x => x.Name.ToLower());
yield return(commandline);
yield return(EnvironmentVariables.Parse <TOptions>(x => NameTranslators.PrefixEnvironmentVariable(x, environmentPrefix).ToUpper()));
var configFile = commanddict.ContainsKey("config") ?
commanddict["config"].Value as string : null;
if (configFile == null && File.Exists(defaultConfigLocation))
{
configFile = defaultConfigLocation;
yield return(new OptionSource[] { OptionSource.String("Config File", "config", defaultConfigLocation) });
}
if (configFile != null)
{
if (!File.Exists(configFile))
{
throw new OptionException(String.Format("The specified config file {0} could not be found", configFile), "config");
}
yield return(Yaml.FromFile(configFile));
}
yield return(TypeDefaultOptions.Get <TOptions>());
}
public void should_return_the_environment_variables()
{
Environment.SetEnvironmentVariable("EVENTSTORE_NAME", "foo", EnvironmentVariableTarget.Process);
var envVariable = Environment.GetEnvironmentVariable("EVENTSTORE_NAME");
var result = EnvironmentVariables.Parse <TestType>(x => NameTranslators.PrefixEnvironmentVariable(x, "EVENTSTORE_"));
Assert.AreEqual(1, result.Count());
Assert.AreEqual("Name", result.First().Name);
Assert.AreEqual(false, result.First().IsTyped);
Assert.AreEqual("foo", result.First().Value.ToString());
Environment.SetEnvironmentVariable("EVENTSTORE_NAME", null, EnvironmentVariableTarget.Process);
}
public void should_return_null_if_referenced_environment_variable_does_not_exist()
{
Environment.SetEnvironmentVariable("EVENTSTORE_NAME", "${env:TEST_REFERENCE_VAR}", EnvironmentVariableTarget.Process);
var envVariable = Environment.GetEnvironmentVariable("EVENTSTORE_NAME");
var result = EnvironmentVariables.Parse <TestType>(x => NameTranslators.PrefixEnvironmentVariable(x, "EVENTSTORE_"));
Assert.AreEqual(1, result.Count());
Assert.AreEqual("Name", result.First().Name);
Assert.AreEqual(false, result.First().IsTyped);
Assert.AreEqual(null, result.First().Value);
Assert.AreEqual(true, result.First().IsReference);
Environment.SetEnvironmentVariable("EVENTSTORE_NAME", null, EnvironmentVariableTarget.Process);
}
private static IEnumerable <IEnumerable <OptionSource> > GetConfig(string[] args)
{
var commandline = CommandLine.Parse <SomeOptionType>(args).Normalize();
var commanddict = commandline.ToDictionary(x => x.Name);
yield return(commandline);
yield return
(EnvironmentVariables.Parse <SomeOptionType>(x => NameTranslators.PrefixEnvironmentVariable(x, "EVENTSTORE")));
var configFile = commanddict.ContainsKey("config") ? commanddict["config"].Value as string : null;
if (configFile != null && File.Exists(configFile))
{
yield return
(Yaml.FromFile(configFile));
}
yield return
(TypeDefaultOptions.Get <SomeOptionType>());
yield return
(MyOwnCustomDefaultsAintThatNeat());
}
public void Generate(string[] eventStoreBinaryPaths, string outputPath)
{
var documentation = String.Empty;
foreach (var eventStoreBinaryPath in eventStoreBinaryPaths)
{
if (!Directory.Exists(eventStoreBinaryPath))
{
Console.WriteLine("The path <{0}> does not exist", eventStoreBinaryPath);
continue;
}
foreach (var assemblyFilePath in new DirectoryInfo(eventStoreBinaryPath).GetFiles().Where(x => x.Name.Contains("EventStore") && x.Name.EndsWith("exe")))
{
var assembly = Assembly.LoadFrom(assemblyFilePath.FullName);
var optionTypes = assembly.GetTypes().Where(x => typeof(IOptions).IsAssignableFrom(x));
foreach (var optionType in optionTypes)
{
var optionConstructor = optionType.GetConstructor(new Type[] { });
var options = optionConstructor.Invoke(null);
var optionDocumentation = String.Format("###{0}{1}", options.GetType().Name, Environment.NewLine);
var properties = options.GetType().GetProperties();
var currentGroup = String.Empty;
foreach (var property in properties.OrderBy(x => x.Attr <ArgDescriptionAttribute>().Group))
{
var parameterRow = String.Empty;
if (currentGroup != property.Attr <ArgDescriptionAttribute>().Group)
{
currentGroup = property.Attr <ArgDescriptionAttribute>().Group;
optionDocumentation += String.Format("{0}### {1}{0}{0}", Environment.NewLine, currentGroup);
optionDocumentation += String.Format("| Parameter | Environment *(all prefixed with EVENTSTORE_)* | Yaml | Description |{0}", Environment.NewLine);
optionDocumentation += String.Format("| --------- | --------------------------------------------- | ---- | ----------- |{0}", Environment.NewLine);
}
var parameterDefinition = new ArgumentUsageInfo(property);
var parameterUsageFormat = "-{0}=VALUE<br/>";
var parameterUsage = String.Empty;
foreach (var alias in parameterDefinition.Aliases)
{
parameterUsage += alias + "<br/>";
}
parameterUsage += String.Format(parameterUsageFormat, parameterDefinition.Name);
parameterRow += String.Format("|{0}", parameterUsage);
parameterRow += String.Format("|{0}", NameTranslators.PrefixEnvironmentVariable(property.Name, "").ToUpper());
parameterRow += String.Format("|{0}", property.Name);
var defaultValue = GetValues(property.GetValue(options, null));
var defaultString = defaultValue == "" ? "" : String.Format(" (Default: {0})", defaultValue);
string[] possibleValues = null;
if (property.PropertyType.IsEnum)
{
possibleValues = property.PropertyType.GetEnumNames();
}
parameterRow += String.Format("|{0}{1} {2}|{3}",
property.Attr <ArgDescriptionAttribute>().Description,
defaultString, possibleValues != null ? "Possible Values:" + String.Join(",", possibleValues) : String.Empty,
Environment.NewLine);
optionDocumentation += parameterRow;
}
optionDocumentation += Environment.NewLine;
documentation += optionDocumentation;
}
}
if (!String.IsNullOrEmpty(documentation))
{
Console.WriteLine("Writing generated document to {0}", outputPath);
File.WriteAllText(outputPath, documentation);
}
else
{
Console.Error.WriteLine("The generated document is empty, please ensure that the event store binary paths that you supplied are correct.");
}
}
}
