/// <summary>
/// Resolves the supplied generic <paramref name="typeName"/> to a
/// <see cref="System.Type"/> instance.
/// </summary>
/// <param name="typeName">
/// The unresolved (possibly generic) name of a <see cref="System.Type"/>.
/// </param>
/// <returns>
/// A resolved <see cref="System.Type"/> instance.
/// </returns>
/// <exception cref="System.TypeLoadException">
/// If the supplied <paramref name="typeName"/> could not be resolved
/// to a <see cref="System.Type"/>.
/// </exception>
public override Type Resolve(string typeName)
{
if (string.IsNullOrWhiteSpace(typeName))
{
throw BuildTypeLoadException(typeName);
}
Type type = null;
var genericInfo = new GenericArgumentsHolder(typeName);
try
{
if (genericInfo.ContainsGenericArguments)
{
type = TypeResolutionUtil.ResolveType(genericInfo.GenericTypeName);
if (!genericInfo.IsGenericDefinition)
{
var unresolvedGenericArgs = genericInfo.GetGenericArguments();
var genericArgs = new Type[unresolvedGenericArgs.Length];
for (int i = 0; i < unresolvedGenericArgs.Length; i++)
{
genericArgs[i] = TypeResolutionUtil.ResolveType(unresolvedGenericArgs[i]);
}
type = type.MakeGenericType(genericArgs);
}
if (genericInfo.IsArrayDeclaration)
{
typeName = string.Format("{0}{1},{2}", type.FullName, genericInfo.GetArrayDeclaration(), type.GetTypeInfo().Assembly.FullName);
type = null;
}
}
}
catch (Exception ex)
{
if (ex is TypeLoadException)
{
throw;
}
throw BuildTypeLoadException(typeName, ex);
}
if (type == null)
{
type = base.Resolve(typeName);
}
return(type);
}
/// <summary>
/// Registers an alias for the specified <see cref="System.Type"/>.
/// </summary>
/// <remarks>
/// <p>
/// This overload does eager resolution of the <see cref="System.Type"/>
/// referred to by the <paramref name="typeName"/> parameter. It will throw a
/// <see cref="System.TypeLoadException"/> if the <see cref="System.Type"/> referred
/// to by the <paramref name="typeName"/> parameter cannot be resolved.
/// </p>
/// </remarks>
/// <param name="alias">
/// A string that will be used as an alias for the specified
/// <see cref="System.Type"/>.
/// </param>
/// <param name="typeName">
/// The (possibly partially assembly qualified) name of the
/// <see cref="System.Type"/> to register the alias for.
/// </param>
/// <exception cref="System.ArgumentNullException">
/// If either of the supplied parameters is <see langword="null"/> or
/// contains only whitespace character(s).
/// </exception>
/// <exception cref="System.TypeLoadException">
/// If the <see cref="System.Type"/> referred to by the supplied
/// <paramref name="typeName"/> cannot be loaded.
/// </exception>
public static void RegisterType(string alias, string typeName)
{
AssertUtil.ArgumentNotEmpty(alias, "alias");
AssertUtil.ArgumentNotEmpty(typeName, "typeName");
var type = TypeResolutionUtil.ResolveType(typeName);
if (type.GetTypeInfo().IsGenericTypeDefinition)
{
alias += ("`" + type.GetGenericArguments().Length);
}
RegisterType(alias, type);
}
