/// <summary>
/// Returns an actual enum value for a enum that can be used in script files.
/// </summary>
/// <param name="val"></param>
/// <param name="type"></param>
/// <returns></returns>
public static object Lookup(string val, Type type)
{
// get the list of fields in the enum
FieldInfo[] fields = type.GetFields();
// loop through each one and see if it is mapped to the supplied value
for (int i = 0; i < fields.Length; i++)
{
FieldInfo field = fields[i];
// find custom attributes declared for this field
object[] atts = field.GetCustomAttributes(typeof(ScriptEnumAttribute), false);
// if we found 1, take a look at it
if (atts.Length > 0)
{
// convert the first element to the right type (assume there is only 1 attribute)
ScriptEnumAttribute scriptAtt = (ScriptEnumAttribute)atts[0];
// if the values match
if (scriptAtt.ScriptValue == val)
{
// return the enum value for this script equivalent
return(Enum.Parse(type, field.Name, true));
}
} // if
} // for
// invalid enum value
return(null);
}
/// <summary>
/// Returns a string describing the legal values for a particular enum.
/// </summary>
/// <param name="type"></param>
/// <returns>
/// A string containing legal values for script file.
/// i.e. "'none', 'clockwise', 'anticlockwise'"
/// </returns>
public static string GetLegalValues(Type type)
{
StringBuilder legalValues = new StringBuilder();
// get the list of fields in the enum
FieldInfo[] fields = type.GetFields();
// loop through each one and see if it is mapped to the supplied value
for (int i = 0; i < fields.Length; i++)
{
FieldInfo field = fields[i];
// find custom attributes declared for this field
object[] atts = field.GetCustomAttributes(typeof(ScriptEnumAttribute), false);
// if we found 1, take a look at it
if (atts.Length > 0)
{
// convert the first element to the right type (assume there is only 1 attribute)
ScriptEnumAttribute scriptAtt = (ScriptEnumAttribute)atts[0];
// if the values match
legalValues.AppendFormat("'{0}',", scriptAtt.ScriptValue);
} // if
} // for
// return the full string
if (legalValues.Length == 0)
{
return("(No values found for type " + type.Name.ToString() + ")");
}
else
{
return(legalValues.ToString(0, legalValues.Length - 1));
}
}
