public static CommandLineBuilder ConfigureHelpFromXmlComments(
this CommandLineBuilder builder,
MethodInfo method,
string xmlDocsFilePath)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (method == null)
{
throw new ArgumentNullException(nameof(method));
}
if (XmlDocReader.TryLoad(xmlDocsFilePath ?? GetDefaultXmlDocsFileLocation(method.DeclaringType.Assembly), out var xmlDocs))
{
if (xmlDocs.TryGetMethodDescription(method, out CommandHelpMetadata metadata) &&
metadata.Description != null)
{
builder.Command.Description = metadata.Description;
var options = builder.Options.ToArray();
foreach (var parameterDescription in metadata.ParameterDescriptions)
{
var kebabCasedParameterName = parameterDescription.Key.ToKebabCase();
var option = options.FirstOrDefault(o => o.HasAliasIgnorePrefix(kebabCasedParameterName));
if (option != null)
{
option.Description = parameterDescription.Value;
}
else
{
for (var i = 0; i < builder.Command.Arguments.Count; i++)
{
var argument = builder.Command.Arguments[i];
if (string.Equals(
argument.Name,
kebabCasedParameterName,
StringComparison.OrdinalIgnoreCase))
{
argument.Description = parameterDescription.Value;
}
}
}
}
metadata.Name = method.DeclaringType.Assembly.GetName().Name;
}
}
return(builder);
}
public static bool TryLoad(string filePath, out XmlDocReader xmlDocReader)
{
try
{
return(TryLoad(File.OpenText(filePath), out xmlDocReader));
}
catch
{
xmlDocReader = null;
return(false);
}
}
public static bool TryLoad(TextReader reader, out XmlDocReader xmlDocReader)
{
try
{
xmlDocReader = new XmlDocReader(XDocument.Load(reader));
return(true);
}
catch
{
xmlDocReader = null;
return(false);
}
}
public static CommandLineBuilder ConfigureHelpFromXmlComments(
this CommandLineBuilder builder,
MethodInfo method)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (method == null)
{
throw new ArgumentNullException(nameof(method));
}
Assembly assembly = method.DeclaringType.Assembly;
string docFilePath = Path.Combine(
Path.GetDirectoryName(assembly.Location),
Path.GetFileNameWithoutExtension(assembly.Location) + ".xml");
var metadata = new CommandHelpMetadata();
if (XmlDocReader.TryLoad(docFilePath, out var xmlDocs))
{
if (xmlDocs.TryGetMethodDescription(method, out metadata) &&
metadata.Description != null)
{
builder.Command.Description = metadata.Description;
var options = builder.Options;
foreach (var parameterDescription in metadata.ParameterDescriptions)
{
var kebabCasedParameterName = parameterDescription.Key.ToKebabCase();
var option = options.FirstOrDefault(o => o.HasAlias(kebabCasedParameterName));
if (option != null)
{
option.Description = parameterDescription.Value;
}
}
metadata.Name = assembly.GetName().Name;
}
}
return(builder);
}