/// <summary>
/// Gets the specified writing system if it exists, otherwise it creates
/// a writing system using the specified identifier and sets it.
/// </summary>
/// <param name="identifier">The identifier.</param>
/// <param name="ws">The writing system.</param>
/// <returns><c>true</c> if identifier is valid (and created);
/// <c>false</c> otherwise</returns>
public bool TryGetOrSet(string identifier, out IWritingSystem ws)
{
lock (m_syncRoot)
{
ws = null;
//if (LangTagUtils.IsScriptCodeValid(identifier))
if (Exists(identifier) || (m_globalStore != null && m_globalStore.Contains(identifier)))
{
GetOrSet(identifier, out ws);
if (ws != null)
{
return(true);
}
}
return(false);
}
}
/// <summary>
/// Determines if a writing system exists with the specified RFC5646 identifier.
/// </summary>
/// <param name="identifier">The identifier.</param>
/// <returns></returns>
public bool Exists(string identifier)
{
lock (m_syncRoot)
{
var fExists = m_localStore.Contains(identifier);
if (!fExists)
{
if (identifier.StartsWith("cmn"))
{
var ident = identifier.Remove(0, 3).Insert(0, "zh");
fExists = m_localStore.Contains(ident);
if (!fExists && identifier.StartsWith("cmn"))
{
ident = ident.Insert(2, "-CN");
fExists = m_localStore.Contains(ident);
}
}
else if (identifier.StartsWith("zh"))
{
var ident = identifier.Insert(2, "-CN");
fExists = m_localStore.Contains(ident);
}
else if (identifier.StartsWith("pes"))
{
var ident = identifier.Remove(0, 3).Insert(0, "fa");
fExists = m_localStore.Contains(ident);
}
else if (identifier.StartsWith("zlm"))
{
var ident = identifier.Remove(0, 3).Insert(0, "ms");
fExists = m_localStore.Contains(ident);
}
else if (identifier.StartsWith("arb"))
{
var ident = identifier.Remove(2, 1); // changes to "ar"
fExists = m_localStore.Contains(ident);
}
}
return(fExists);
}
}
/// <summary>
///
/// </summary>
/// <param name="ws">The ws.</param>
protected override void OnChangeNotifySharedStore(IWritingSystemDefinition ws)
{
base.OnChangeNotifySharedStore(ws);
if (m_globalStore != null)
{
if (m_globalStore.Contains(ws.Id))
{
if (ws.DateModified > m_globalStore.Get(ws.Id).DateModified)
{
WritingSystemDefinition newWs = ws.Clone();
newWs.Modified = true;
m_globalStore.Remove(ws.Id);
m_globalStore.Set(newWs);
}
}
else
{
m_globalStore.Set(ws.Clone());
}
}
}