/// <summary>
/// Reads the module from the cache.
/// </summary>
/// <param name="fileInfo">Module file information.</param>
/// <returns>True if the module has been loaded from the cache.</returns>
bool ReadCache(FileInfo fileInfo)
{
Log.Source.TraceInformation("Read cache {0}", fileInfo);
string path = fileInfo.FullName;
var data = _Cache.Get(path);
if (data == null)
return false;
++_Cache.CountLoaded;
bool done = false;
ModuleManager manager = null;
try
{
// read data
EnumerableReader reader = new EnumerableReader((IEnumerable)data);
// >> Stamp
var assemblyStamp = (long)reader.Read();
if (assemblyStamp != fileInfo.LastWriteTime.Ticks)
return false;
// new manager, add it now, remove later on errors
manager = new ModuleManager(path);
_Managers.Add(manager.ModuleName, manager);
// read and load data
var settings = manager.ReadSettings();
manager.LoadData(settings);
// >> Culture of cached resources
var savedCulture = (string)reader.Read();
// check the culture
if (savedCulture.Length > 0)
{
// the culture changed, ignore the cache
if (savedCulture != manager.CurrentUICulture.Name)
return false;
// restore the flag
manager.CachedResources = true;
}
// >> Settings
manager.HasSettings = (bool)reader.Read();
object kind;
while (null != (kind = reader.TryRead()))
{
ProxyAction action = null;
switch ((ModuleItemKind)kind)
{
case ModuleItemKind.Host:
{
manager.SetModuleHost((string)reader.Read());
}
break;
case ModuleItemKind.Command:
{
var it = new ProxyCommand(manager, reader);
Host.Instance.RegisterProxyCommand(it);
action = it;
}
break;
case ModuleItemKind.Editor:
{
var it = new ProxyEditor(manager, reader);
Host.Instance.RegisterProxyEditor(it);
action = it;
}
break;
case ModuleItemKind.Drawer:
{
var it = new ProxyDrawer(manager, reader);
Host.Instance.RegisterProxyDrawer(it);
action = it;
}
break;
case ModuleItemKind.Tool:
{
var it = new ProxyTool(manager, reader);
Host.Instance.RegisterProxyTool(it);
action = it;
}
break;
default:
throw new ModuleException();
}
if (action != null)
action.LoadData((Hashtable)settings[action.Id]);
}
done = true;
}
catch (ModuleException)
{
// ignore known
}
catch (Exception ex)
{
throw new ModuleException(string.Format(null, "Error on reading the cache for '{0}'.", path), ex);
}
finally
{
if (!done)
{
// remove cached data
_Cache.Remove(path);
// remove the manager
if (manager != null)
RemoveModuleManager(manager);
}
}
return done;
}
/// <summary>
/// Reads the module from the cache.
/// </summary>
/// <param name="fileInfo">Module file information.</param>
/// <returns>True if the module has been loaded from the cache.</returns>
bool ReadCache(FileInfo fileInfo)
{
Log.Source.TraceInformation("Read cache {0}", fileInfo);
string path = fileInfo.FullName;
var data = _Cache.Get(path);
if (data == null)
{
return(false);
}
++_Cache.CountLoaded;
bool done = false;
ModuleManager manager = null;
try
{
// read data
EnumerableReader reader = new EnumerableReader((IEnumerable)data);
// >> Stamp
var assemblyStamp = (long)reader.Read();
if (assemblyStamp != fileInfo.LastWriteTime.Ticks)
{
return(false);
}
// new manager, add it now, remove later on errors
manager = new ModuleManager(path);
_Managers.Add(manager.ModuleName, manager);
// read and load data
var settings = manager.ReadSettings();
manager.LoadData(settings);
// >> Culture of cached resources
var savedCulture = (string)reader.Read();
// check the culture
if (savedCulture.Length > 0)
{
// the culture changed, ignore the cache
if (savedCulture != manager.CurrentUICulture.Name)
{
return(false);
}
// restore the flag
manager.CachedResources = true;
}
// >> Settings
manager.HasSettings = (bool)reader.Read();
object kind;
while (null != (kind = reader.TryRead()))
{
ProxyAction action = null;
switch ((ModuleItemKind)kind)
{
case ModuleItemKind.Host:
{
manager.SetModuleHost((string)reader.Read());
}
break;
case ModuleItemKind.Command:
{
var it = new ProxyCommand(manager, reader);
Host.Instance.RegisterProxyCommand(it);
action = it;
}
break;
case ModuleItemKind.Editor:
{
var it = new ProxyEditor(manager, reader);
Host.Instance.RegisterProxyEditor(it);
action = it;
}
break;
case ModuleItemKind.Drawer:
{
var it = new ProxyDrawer(manager, reader);
Host.Instance.RegisterProxyDrawer(it);
action = it;
}
break;
case ModuleItemKind.Tool:
{
var it = new ProxyTool(manager, reader);
Host.Instance.RegisterProxyTool(it);
action = it;
}
break;
default:
throw new ModuleException();
}
if (action != null)
{
action.LoadData((Hashtable)settings[action.Id]);
}
}
done = true;
}
catch (ModuleException)
{
// ignore known
}
catch (Exception ex)
{
throw new ModuleException(string.Format(null, "Error on reading the cache for '{0}'.", path), ex);
}
finally
{
if (!done)
{
// remove cached data
_Cache.Remove(path);
// remove the manager
if (manager != null)
{
RemoveModuleManager(manager);
}
}
}
return(done);
}
/// <summary>
/// Loads the module item by type.
/// </summary>
static int LoadType(ModuleManager manager, Hashtable settings, Type type)
{
Log.Source.TraceInformation("Load class {0}", type);
// case: host
if (typeof(ModuleHost).IsAssignableFrom(type))
{
manager.SetModuleHost(type);
return 0;
}
// case: settings
if (typeof(ApplicationSettingsBase).IsAssignableFrom(type))
{
manager.HasSettings = true;
return 0;
}
// command
ProxyAction action;
if (typeof(ModuleCommand).IsAssignableFrom(type))
{
var it = new ProxyCommand(manager, type);
Host.Instance.RegisterProxyCommand(it);
action = it;
}
// tool
else if (typeof(ModuleTool).IsAssignableFrom(type))
{
var it = new ProxyTool(manager, type);
Host.Instance.RegisterProxyTool(it);
action = it;
}
// editor
else if (typeof(ModuleEditor).IsAssignableFrom(type))
{
var it = new ProxyEditor(manager, type);
Host.Instance.RegisterProxyEditor(it);
action = it;
}
// drawer
else if (typeof(ModuleDrawer).IsAssignableFrom(type))
{
var it = new ProxyDrawer(manager, type);
Host.Instance.RegisterProxyDrawer(it);
action = it;
}
else throw new ModuleException("Unknown module class type.");
// set settings
action.LoadData((Hashtable)settings[action.Id]);
return 1;
}