/// ------------------------------------------------------------------------------------
/// <summary>
/// Gets the exemplar characters for the given ICU locale.
/// </summary>
/// <param name="icuLocale">Code for the ICU locale.</param>
/// <returns>
/// string containing all the exemplar characters (typically only lowercase
/// word-forming characters)
/// </returns>
/// ------------------------------------------------------------------------------------
public string GetExemplarCharacters(string icuLocale)
{
ILgIcuResourceBundle rbExemplarCharacters = null;
ILgIcuResourceBundle rbLangDef = null;
try
{
rbLangDef = LgIcuResourceBundleClass.Create();
rbLangDef.Init(null, icuLocale);
// if the name of the resource bundle doesn't match the LocaleAbbr
// it loaded something else as a default (e.g. "en").
// in that case we don't want to use the resource bundle so release it.
if (rbLangDef.Name != icuLocale)
{
return(string.Empty);
}
rbExemplarCharacters = rbLangDef.get_GetSubsection("ExemplarCharacters");
return(rbExemplarCharacters.String);
}
finally
{
if (rbExemplarCharacters != null)
{
System.Runtime.InteropServices.Marshal.FinalReleaseComObject(rbExemplarCharacters);
}
if (rbLangDef != null)
{
System.Runtime.InteropServices.Marshal.FinalReleaseComObject(rbLangDef);
}
}
}
/// <summary>
/// Determine whether the specified locale is a custom one the user is allowed to modify.
/// </summary>
/// <param name="localeId"></param>
/// <returns></returns>
public bool IsCustomLocale(string localeId)
{
ILgIcuResourceBundle rbroot = LgIcuResourceBundleClass.Create();
try
{
#if !__MonoCS__
rbroot.Init(null, "en");
#else
// TODO-Linux: fix Mono bug
rbroot.Init("", "en");
#endif
ILgIcuResourceBundle rbCustom = rbroot.get_GetSubsection("Custom");
if (rbCustom != null)
{
ILgIcuResourceBundle rbCustomLocales = rbCustom.get_GetSubsection("LocalesAdded");
Marshal.ReleaseComObject(rbCustom);
if (rbCustomLocales == null)
{
return(false); // Should never be.
}
while (rbCustomLocales.HasNext)
{
ILgIcuResourceBundle rbItem = rbCustomLocales.Next;
if (rbItem.String == localeId)
{
Marshal.ReleaseComObject(rbItem);
Marshal.ReleaseComObject(rbCustomLocales);
return(true);
}
Marshal.ReleaseComObject(rbItem);
}
Marshal.ReleaseComObject(rbCustomLocales);
}
// Now, compare the locale againt all known locales -- it may not exist at all yet!
// If not, it is considered custom.
ILgIcuLocaleEnumerator locEnum = LgIcuLocaleEnumeratorClass.Create();
int cloc = locEnum.Count;
for (int iloc = 0; iloc < cloc; iloc++)
{
if (localeId == locEnum.get_Name(iloc))
{
Marshal.ReleaseComObject(locEnum);
return(false);
}
}
//Didn't find in either list...custom.
Marshal.ReleaseComObject(locEnum);
return(true);
}
finally
{
Marshal.ReleaseComObject(rbroot);
}
}
