/// <summary>
///
/// </summary>
/// <param name="ws">The ws.</param>
protected override void OnChangeNotifySharedStore(WritingSystemDefinition ws)
{
base.OnChangeNotifySharedStore(ws);
if (m_globalStore != null)
{
WritingSystemDefinition globalWs;
if (m_globalStore.TryGet(ws.Id, out globalWs))
{
if (ws.DateModified > globalWs.DateModified)
{
WritingSystemDefinition newWs = ws.Clone();
newWs.Modified = true;
try
{
m_globalStore.Remove(ws.Id);
m_globalStore.Set(newWs);
}
catch (UnauthorizedAccessException)
{
// Live with it if we can't update the global store. In a CS world we might
// well not have permission.
}
}
}
else
{
m_globalStore.Set(ws.Clone());
}
}
}
/// <summary>
/// Gets the specified writing system. Throws KeyNotFoundException if it can not be found,
/// there is a TryGet available to avoid this.
/// </summary>
/// <param name="identifier">The identifier.</param>
/// <returns></returns>
public IWritingSystem Get(string identifier)
{
lock (m_syncRoot)
{
IWritingSystemDefinition wrsys;
if (!m_localStore.TryGet(identifier, out wrsys))
{
if (identifier.StartsWith("cmn"))
{
var ident = identifier.Remove(0, 3).Insert(0, "zh");
if (!m_localStore.TryGet(ident, out wrsys) && identifier.StartsWith("cmn"))
{
ident = ident.Insert(2, "-CN");
m_localStore.TryGet(ident, out wrsys);
}
}
else if (identifier.StartsWith("zh"))
{
var ident = identifier.Insert(2, "-CN");
m_localStore.TryGet(ident, out wrsys);
}
else if (identifier.StartsWith("pes"))
{
var ident = identifier.Remove(0, 3).Insert(0, "fa");
m_localStore.TryGet(ident, out wrsys);
}
else if (identifier.StartsWith("zlm"))
{
var ident = identifier.Remove(0, 3).Insert(0, "ms");
m_localStore.TryGet(ident, out wrsys);
}
else if (identifier.StartsWith("arb"))
{
var ident = identifier.Remove(2, 1); // changes to "ar"
m_localStore.TryGet(ident, out wrsys);
}
if (wrsys == null) //if all other special cases did not apply or work
{
//throw the expected exception for Get
throw new KeyNotFoundException("The writing system " + identifier + " was not found in this manager.");
}
}
return((IWritingSystem)wrsys);
}
}
/// <summary>
/// Creates a new writing system.
/// </summary>
/// <returns></returns>
public IWritingSystem Create(string identifier)
{
lock (m_syncRoot)
{
if (m_globalStore != null)
{
IWritingSystemDefinition globalWs;
if (m_globalStore.TryGet(identifier, out globalWs))
{
return((PalasoWritingSystem)m_globalStore.MakeDuplicate(globalWs));
}
}
}
LanguageSubtag languageSubtag;
ScriptSubtag scriptSubtag;
RegionSubtag regionSubtag;
VariantSubtag variantSubtag;
if (!LangTagUtils.GetSubtags(identifier, out languageSubtag, out scriptSubtag, out regionSubtag, out variantSubtag))
{
throw new ArgumentException(identifier + " is not a valid RFC5646 language tag.");
}
var result = Create(languageSubtag, scriptSubtag, regionSubtag, variantSubtag);
if (TemplateFolder != null)
{
// try in our master template file
// Todo: have property TemplateFolderPath, initialize in FdoBackendProvider.InitializeWritingSystemManager
var template = Path.Combine(TemplateFolder, Path.ChangeExtension(identifier, "ldml"));
if (File.Exists(template))
{
var loader = new FwLdmlAdaptor();
loader.Read(template, (WritingSystemDefinition)result);
}
}
return(result);
}