private object GetObject(string name, CultureInfo culture, bool wrapUnmanagedMemStream)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (culture == null)
{
culture = CultureInfo.CurrentUICulture;
}
if (FrameworkEventSource.IsInitialized)
{
FrameworkEventSource.Log.ResourceManagerLookupStarted(this.BaseNameField, this.MainAssembly, culture.Name);
}
ResourceFallbackManager manager = new ResourceFallbackManager(culture, this._neutralResourcesCulture, true);
ResourceSet set = null;
foreach (CultureInfo info in manager)
{
ResourceSet set2 = this.InternalGetResourceSet(info, true, true);
if (set2 == null)
{
break;
}
if (set2 != set)
{
object obj2 = set2.GetObject(name, this._ignoreCase);
if (obj2 != null)
{
UnmanagedMemoryStream stream = obj2 as UnmanagedMemoryStream;
if ((stream != null) && wrapUnmanagedMemStream)
{
return(new UnmanagedMemoryStreamWrapper(stream));
}
return(obj2);
}
set = set2;
}
}
if (FrameworkEventSource.IsInitialized)
{
FrameworkEventSource.Log.ResourceManagerLookupFailed(this.BaseNameField, this.MainAssembly, culture.Name);
}
return(null);
}
private ResourceSet InternalGetResourceSet(CultureInfo requestedCulture, bool createIfNotExists, bool tryParents, ref StackCrawlMark stackMark)
{
Dictionary <string, ResourceSet> localResourceSets = this._resourceSets;
ResourceFallbackManager manager = new ResourceFallbackManager(requestedCulture, this._neutralResourcesCulture, tryParents);
ResourceSet set = null;
CultureInfo info = null;
foreach (CultureInfo info2 in manager)
{
if (FrameworkEventSource.IsInitialized)
{
FrameworkEventSource.Log.ResourceManagerLookingForResourceSet(this.BaseNameField, this.MainAssembly, info2.Name);
}
lock (localResourceSets)
{
if (localResourceSets.TryGetValue(info2.Name, out set))
{
if (FrameworkEventSource.IsInitialized)
{
FrameworkEventSource.Log.ResourceManagerFoundResourceSetInCache(this.BaseNameField, this.MainAssembly, info2.Name);
}
break;
}
}
set = this.resourceGroveler.GrovelForResourceSet(info2, localResourceSets, tryParents, createIfNotExists, ref stackMark);
if (set != null)
{
info = info2;
break;
}
}
if ((set != null) && (info != null))
{
foreach (CultureInfo info3 in manager)
{
AddResourceSet(localResourceSets, info3.Name, ref set);
if (info3 == info)
{
return(set);
}
}
}
return(set);
}
public virtual string GetString(string name, CultureInfo culture)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (culture == null)
{
culture = CultureInfo.CurrentUICulture;
}
if (FrameworkEventSource.IsInitialized)
{
FrameworkEventSource.Log.ResourceManagerLookupStarted(this.BaseNameField, this.MainAssembly, culture.Name);
}
ResourceFallbackManager manager = new ResourceFallbackManager(culture, this._neutralResourcesCulture, true);
ResourceSet set = null;
foreach (CultureInfo info in manager)
{
ResourceSet set2 = this.InternalGetResourceSet(info, true, true);
if (set2 == null)
{
break;
}
if (set2 != set)
{
string str = set2.GetString(name, this._ignoreCase);
if (str != null)
{
return(str);
}
set = set2;
}
}
if (FrameworkEventSource.IsInitialized)
{
FrameworkEventSource.Log.ResourceManagerLookupFailed(this.BaseNameField, this.MainAssembly, culture.Name);
}
return(null);
}
// Looks up a resource value for a particular name. Looks in the
// specified CultureInfo, and if not found, all parent CultureInfos.
// Returns null if the resource wasn't found.
//
public virtual string?GetString(string name, CultureInfo?culture)
{
if (null == name)
{
throw new ArgumentNullException(nameof(name));
}
#if FEATURE_APPX || ENABLE_WINRT
if (_useUapResourceManagement)
{
// Throws WinRT hresults.
Debug.Assert(_neutralResourcesCulture != null);
return(GetStringFromPRI(name, culture, _neutralResourcesCulture.Name));
}
#endif
if (culture == null)
{
culture = CultureInfo.CurrentUICulture;
}
ResourceSet?last = GetFirstResourceSet(culture);
if (last != null)
{
string?value = last.GetString(name, _ignoreCase);
if (value != null)
{
return(value);
}
}
// This is the CultureInfo hierarchy traversal code for resource
// lookups, similar but necessarily orthogonal to the ResourceSet
// lookup logic.
ResourceFallbackManager mgr = new ResourceFallbackManager(culture, _neutralResourcesCulture, true);
foreach (CultureInfo currentCultureInfo in mgr)
{
ResourceSet?rs = InternalGetResourceSet(currentCultureInfo, true, true);
if (rs == null)
{
break;
}
if (rs != last)
{
string?value = rs.GetString(name, _ignoreCase);
if (value != null)
{
// update last used ResourceSet
if (_lastUsedResourceCache != null)
{
lock (_lastUsedResourceCache)
{
_lastUsedResourceCache.lastCultureName = currentCultureInfo.Name;
_lastUsedResourceCache.lastResourceSet = rs;
}
}
return(value);
}
last = rs;
}
}
return(null);
}
// InternalGetResourceSet is a non-threadsafe method where all the logic
// for getting a resource set lives. Access to it is controlled by
// threadsafe methods such as GetResourceSet, GetString, & GetObject.
// This will take a minimal number of locks.
protected virtual ResourceSet?InternalGetResourceSet(CultureInfo culture, bool createIfNotExists, bool tryParents)
{
Debug.Assert(culture != null, "culture != null");
Debug.Assert(_resourceSets != null);
Dictionary <string, ResourceSet> localResourceSets = _resourceSets;
ResourceSet?rs = null;
CultureInfo?foundCulture = null;
lock (localResourceSets)
{
if (localResourceSets.TryGetValue(culture.Name, out rs))
{
return(rs);
}
}
ResourceFallbackManager mgr = new ResourceFallbackManager(culture, _neutralResourcesCulture, tryParents);
foreach (CultureInfo currentCultureInfo in mgr)
{
lock (localResourceSets)
{
if (localResourceSets.TryGetValue(currentCultureInfo.Name, out rs))
{
// we need to update the cache if we fellback
if (culture != currentCultureInfo)
{
foundCulture = currentCultureInfo;
}
break;
}
}
// InternalGetResourceSet will never be threadsafe. However, it must
// be protected against reentrancy from the SAME THREAD. (ie, calling
// GetSatelliteAssembly may send some window messages or trigger the
// Assembly load event, which could fail then call back into the
// ResourceManager). It's happened.
rs = _resourceGroveler.GrovelForResourceSet(currentCultureInfo, localResourceSets,
tryParents, createIfNotExists);
// found a ResourceSet; we're done
if (rs != null)
{
foundCulture = currentCultureInfo;
break;
}
}
if (rs != null && foundCulture != null)
{
// add entries to the cache for the cultures we have gone through
// currentCultureInfo now refers to the culture that had resources.
// update cultures starting from requested culture up to the culture
// that had resources.
foreach (CultureInfo updateCultureInfo in mgr)
{
AddResourceSet(localResourceSets, updateCultureInfo.Name, ref rs);
// stop when we've added current or reached invariant (top of chain)
if (updateCultureInfo == foundCulture)
{
break;
}
}
}
return(rs);
}
// Looks up a resource value for a particular name. Looks in the
// specified CultureInfo, and if not found, all parent CultureInfos.
// Returns null if the resource wasn't found.
//
public virtual string GetString(string name, CultureInfo culture)
{
if (null == name)
{
throw new ArgumentNullException(nameof(name));
}
#if FEATURE_APPX
if (_bUsingModernResourceManagement)
{
// If the caller explicitly passed in a culture that was obtained by calling CultureInfo.CurrentUICulture,
// null it out, so that we re-compute it. If we use modern resource lookup, we may end up getting a "better"
// match, since CultureInfo objects can't represent all the different languages the AppX resource model supports.
if (object.ReferenceEquals(culture, CultureInfo.CurrentUICulture))
{
culture = null;
}
if (_PRIonAppXInitialized == false)
{
// Always throw if we did not fully succeed in initializing the WinRT Resource Manager.
if (_PRIExceptionInfo != null && _PRIExceptionInfo.PackageSimpleName != null && _PRIExceptionInfo.ResWFile != null)
{
throw new MissingManifestResourceException(SR.Format(SR.MissingManifestResource_ResWFileNotLoaded, _PRIExceptionInfo.ResWFile, _PRIExceptionInfo.PackageSimpleName));
}
throw new MissingManifestResourceException(SR.MissingManifestResource_NoPRIresources);
}
// Throws WinRT hresults.
return(GetStringFromPRI(name,
culture == null ? null : culture.Name,
_neutralResourcesCulture.Name));
}
else
#endif // FEATURE_APPX
{
if (culture == null)
{
culture = CultureInfo.CurrentUICulture;
}
ResourceSet last = GetFirstResourceSet(culture);
if (last != null)
{
string value = last.GetString(name, _ignoreCase);
if (value != null)
{
return(value);
}
}
// This is the CultureInfo hierarchy traversal code for resource
// lookups, similar but necessarily orthogonal to the ResourceSet
// lookup logic.
ResourceFallbackManager mgr = new ResourceFallbackManager(culture, _neutralResourcesCulture, true);
foreach (CultureInfo currentCultureInfo in mgr)
{
ResourceSet rs = InternalGetResourceSet(currentCultureInfo, true, true);
if (rs == null)
{
break;
}
if (rs != last)
{
string value = rs.GetString(name, _ignoreCase);
if (value != null)
{
// update last used ResourceSet
if (_lastUsedResourceCache != null)
{
lock (_lastUsedResourceCache)
{
_lastUsedResourceCache.lastCultureName = currentCultureInfo.Name;
_lastUsedResourceCache.lastResourceSet = rs;
}
}
return(value);
}
last = rs;
}
}
}
return(null);
}