/// <summary>
/// Gets a fully formed using statement expanding any abbreviated statement beginning with using and ending with a semicolon.
/// </summary>
/// <param name="directive">
/// The directive to use.
/// </param>
/// <returns>
/// The qualified using statement.
/// </returns>
internal static string GetFullyQualifiedStatement(this IUsingDirective directive)
{
if (directive is IUsingAliasDirective)
{
IUsingAliasDirective aliasDirective = directive as IUsingAliasDirective;
return(string.Format("using {0} = {1};", aliasDirective.AliasName, directive.GetFullyQualifiedNamespace()));
}
IUsingNamespaceDirective namespaceDirective = directive as IUsingNamespaceDirective;
return(namespaceDirective != null?string.Format("using {0};", directive.GetFullyQualifiedNamespace()) : directive.GetText());
}
/// <summary>
/// Gets the root namespace of the Using directive after expanding any abbreviations.
/// </summary>
/// <param name="directive">
/// The directive to use.
/// </param>
/// <returns>
/// The root namespace.
/// </returns>
internal static string GetRootNamespace(this IUsingDirective directive)
{
return(directive.GetFullyQualifiedNamespace().SubstringBefore('.').SubstringBefore(';'));
}