/// <summary>
/// Initializes a new instance of the <see cref="CommandLineParser" /> class. See <see cref="CommandLineParser(Type, Type, CommandLineParserFlags)"/>
/// for full description of arguments.
/// </summary>
/// <param name="argumentSpecificationType">The <see cref="Type" /> from which the possible command line arguments should be retrieved.</param>
/// <param name="flags">See <see cref="CommandLineParserFlags"/>.</param>
/// <exception cref="ArgumentNullException"><paramref name="argumentSpecificationType" /> is a null reference.</exception>
public CommandLineParser(Type argumentSpecificationType, CommandLineParserFlags flags)
: this(argumentSpecificationType, null, flags)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandLineParser" /> class. Provides a resource reader for localization of the command
/// line arguments. String specified in the command line attributes are used to look up corresponding localized strings in the resources.
/// Also provides flags to control parsing.
/// </summary>
/// <param name="argumentSpecificationType">The <see cref="Type" /> in which the command line arguments are defined.</param>
/// <param name="resourceReaderType">A resource reader object with a <code>GetString</code> method</param>
/// <param name="flags">See <see cref="CommandLineParserFlags"/>.</param>
/// <exception cref="ArgumentNullException"><paramref name="argumentSpecificationType" /> is a null reference.</exception>
public CommandLineParser(Type argumentSpecificationType, Type resourceReaderType, CommandLineParserFlags flags)
{
if (argumentSpecificationType == null)
{
throw new ArgumentNullException("argumentSpecificationType");
}
this.argumentSpecificationType = argumentSpecificationType;
this.resourceReaderType = resourceReaderType;
this.flags= flags;
this.responseFiles = new Stack<string>();
argumentCollection = new List<CommandLineArgument>();
// Look ONLY for public instance properties. NOTE: Don't change this behavior!
foreach (PropertyInfo propertyInfo in argumentSpecificationType.GetProperties(BindingFlags.Instance | BindingFlags.Public))
{
object[] attributes = propertyInfo.GetCustomAttributes(typeof(CommandLineArgumentAttribute), true);
CommandLineArgumentAttribute attribute;
// Ignore properties that don't have a CommandLineArgumentAttribute
if (attributes.Length == 1)
attribute = (CommandLineArgumentAttribute)attributes[0];
else
continue;
// Ensure that the property is readable and writeable
if (!(propertyInfo.CanWrite && propertyInfo.CanRead))
throw new ArgumentException(
CommandLineParserResources.PropertyShouldBeReadableAndWriteable(propertyInfo.Name));
attribute.ValueHint = ExternalGetString(attribute.ValueHint);
if (attribute is DefaultCommandLineArgumentAttribute)
{
if (HasDefaultArgument)
throw new ArgumentException(CommandLineParserResources.DefaultArgumentAlreadyDefined);
defaultArgument = new CommandLineArgument(attribute, propertyInfo);
}
else if (attribute is UnprocessedCommandLineArgumentAttribute)
{
if (HasUnprocessedArgument)
throw new ArgumentException(CommandLineParserResources.UnprocessedArgumentAlreadyDefined);
unprocessedArgument = new CommandLineArgument(attribute, propertyInfo);
if (!unprocessedArgument.AllowMultiple)
throw new ArgumentException(CommandLineParserResources.UnprocessedArgumentMustBeArrayOrCollection);
}
else if (attribute is CommandCommandLineArgumentAttribute)
{
if (HasCommandArgument)
throw new ArgumentException(CommandLineParserResources.CommandArgumentAlreadyDefined);
commandArgument = new CommandLineArgument(attribute, propertyInfo);
}
else
{
attribute.Description = ExternalGetString(attribute.Description);
if (attribute.Description == null)
{
throw new ArgumentException(
CommandLineParserResources.PropertyDoesNotHaveAValueForDescription(propertyInfo.Name));
}
// If not being case sensitive, make everything lower case.
if (!CaseSensitive)
{
attribute.Name = attribute.Name.ToLower(CultureInfo.InvariantCulture);
if (attribute.ShortName != null)
attribute.ShortName = attribute.ShortName.ToLower(CultureInfo.InvariantCulture);
}
argumentCollection.Add(new CommandLineArgument(attribute, propertyInfo));
}
}
if (HasUnprocessedArgument && !HasDefaultArgument)
{
throw new ArgumentException(CommandLineParserResources.UnprocessedRequiresDefaultArguments);
}
}
