/// <summary>
/// Registers standard transliterators with the system. Called by
/// <see cref="Transliterator"/> during initialization. Scan all current targets
/// and register those that are scripts T as Any-T/V.
/// </summary>
internal static void Register()
{
IDictionary <string, ISet <string> > seen = new Dictionary <string, ISet <string> >(); // old code used set, but was dependent on order
foreach (string source in Transliterator.GetAvailableSources())
{
// Ignore the "Any" source
if (source.Equals(ANY, StringComparison.OrdinalIgnoreCase))
{
continue;
}
foreach (string target in Transliterator.GetAvailableTargets(source))
{
// Get the script code for the target. If not a script, ignore.
int targetScript = ScriptNameToCode(target);
if (targetScript == UScript.InvalidCode)
{
continue;
}
ISet <string> seenVariants = seen.Get(target);
if (seenVariants == null)
{
seen[target] = seenVariants = new HashSet <string>();
}
foreach (string variant in Transliterator.GetAvailableVariants(source, target))
{
// Only process each target/variant pair once
if (seenVariants.Contains(variant))
{
continue;
}
seenVariants.Add(variant);
string id;
id = TransliteratorIDParser.STVtoID(ANY, target, variant);
AnyTransliterator trans = new AnyTransliterator(id, target, variant,
targetScript);
Transliterator.RegisterInstance(trans);
Transliterator.RegisterSpecialInverse(target, NULL_ID, false);
}
}
}
}
