/// <summary>
/// Convert a string representation into an enum constant.
/// </summary>
public static object Parse(Type enumType, string name, bool ignoreCase)
{
if (enumType == null)
{
throw new ArgumentNullException("enumType");
}
if (name == null)
{
throw new ArgumentNullException("name");
}
if (typeof(Dot42.Internal.Enum).JavaIsAssignableFrom(enumType))
{
var info = EnumInfo.GetEnumInfo(enumType);
return(info.Parse(name, ignoreCase, true));
}
// fallback
var fields = enumType.JavaGetDeclaredFields();
foreach (var field in fields)
{
if (!IsEnumMember(field))
{
continue;
}
if ((!ignoreCase && field.Name == name) || (ignoreCase && field.Name.EqualsIgnoreCase(name)))
{
return(field.Get(null));
}
}
throw new ArgumentException("name");
}
public static Type GetUnderlyingType(Type enumType)
{
if (!enumType.IsEnum)
{
throw new ArgumentException("enumType");
}
if (typeof(Dot42.Internal.Enum).JavaIsAssignableFrom(enumType))
{
var info = EnumInfo.GetEnumInfo(enumType);
return(info.Underlying);
}
return(typeof(int));
}
/// <summary>
/// Try to convert a string representation into an enum constant.
/// </summary>
public static bool TryParse <TEnum>(string name, bool ignoreCase, out TEnum result)
where TEnum : struct
{
if (name == null)
{
throw new ArgumentNullException("name");
}
var enumType = typeof(TEnum);
if (typeof(Dot42.Internal.Enum).JavaIsAssignableFrom(enumType))
{
var info = EnumInfo.GetEnumInfo(enumType);
var ret = info.Parse(name, ignoreCase, false);
if (ret != null)
{
result = (TEnum)(object)ret;
return(true);
}
result = (TEnum)(object)info.DefaultValue();
return(false);
}
// fallback.
var fields = enumType.JavaGetDeclaredFields();
foreach (var field in fields)
{
if (!IsEnumMember(field))
{
continue;
}
{
if ((!ignoreCase && field.Name == name) ||
(ignoreCase && field.Name.EqualsIgnoreCase(name)))
{
result = (TEnum)field.Get(null);
return(true);
}
}
}
result = default(TEnum);
return(false);
}
/// <summary>
/// Get the values of the constants in the given enum.
/// </summary>
public static Array GetValues(Type enumType)
{
if (typeof(Dot42.Internal.Enum).JavaIsAssignableFrom(enumType))
{
var info = EnumInfo.GetEnumInfo(enumType);
return(info.Values());
}
// Fallback for java enums (do we need this?)
var fields = enumType.JavaGetDeclaredFields();
var values = new ArrayList <object>();
foreach (var field in fields)
{
if (!IsEnumMember(field))
{
continue;
}
values.Add(field.Get(null));
}
return(values.OrderBy(p => p).ToArray());
}
