// Called when a type library is loaded from the remembered
// type libraries upon start up
internal static void RestoreTypeLib(String fileName,
Guid guid,
string version)
{
TypeLibrary lib = null;
try {
lock (typeof(TypeLibrary)) {
TraceUtil.WriteLineInfo(null,
"RestoreTypeLib - guid/version: "
+ guid + " " + version);
TypeLibKey typeLibKey = new TypeLibKey(guid, version);
// We should not have already seen this one, but
// if we have, we will be decent about it
lib = (TypeLibrary)_openedTypeLibs[typeLibKey];
if (lib == null) {
lib = new TypeLibrary(typeLibKey);
try {
lib.PopulateFromRegistry(typeLibKey);
}
catch (Exception ex) {
// Get the file name we recorded since its not
// registered
lib._fileName = fileName;
// Might not be registered, ignore error
TraceUtil.WriteLineInfo
(typeof(TypeLibrary),
"Unregistered typelib restore: "
+ fileName
+ " exception: " + ex);
}
}
lib.ReadTypeLibFile();
if (lib._openedFile) {
if (!_searchMode) {
ComSupport.AddTypeLib(lib);
}
TraceUtil.WriteLineInfo(null,
"TypeLib - loaded/restored: "
+ lib);
} else {
// Something's wrong, don't try and open again
lib.ForgetMe();
TraceUtil.WriteLineInfo(null,
"TypeLib - failed to open "
+ "- forgotten: "
+ lib);
}
}
} catch (Exception ex) {
TraceUtil.WriteLineWarning
(null, "TypeLib - deleting bad typelib entry: "
+ lib + " " + ex);
// Something's wrong, don't try and open again
lib.ForgetMe();
}
}
// If the UCOMITypeLib pointer is good, then remember
// that, because the type library may not be in the registry
// or a file we can open. But we can still convert it and
// read its information
internal static TypeLibrary GetTypeLib(TypeLibKey key, UCOMITypeLib iTypeLib)
{
TraceUtil.WriteLineInfo(null, "TypeLib - GetTypeLib: " + key);
lock (typeof(TypeLibrary)) {
TypeLibrary lib = (TypeLibrary)_openedTypeLibs[key];
if (lib != null && lib._converted)
return lib;
try {
if (lib == null) {
// Have to create one
lib = new TypeLibrary(key);
lib._iTypeLib = iTypeLib;
try {
lib.PopulateFromRegistry(key);
} catch (Exception ex) {
// This could be ok, sometimes a typelib is not
// in the registry
TraceUtil.WriteLineWarning
(typeof(TypeLibrary),
"GetTypeLib exception (not in registry) "
+ ex);
if (lib._iTypeLib == null) {
throw new Exception("Failed to find type library information in registry", ex);
}
}
}
lib.TranslateTypeLib();
// Generate the C# source after the translation for
// now because the source generation requires the
// definitions to be read which can cause a call
// to GetTypeLib(), don't want to be re-entered
// FIXME
//lib.GenerateSource();
return lib;
} catch (Exception ex) {
TraceUtil.WriteLineWarning(typeof(TypeLibrary), "GetTypeLib exception " + ex);
throw new Exception("Error getting type library: ", ex);
}
}
}
protected static void GetTypeLibsFromRegistry(String guidStr)
{
TypeLibrary lib = null;
RegistryKey regKey = Windows.KeyTypeLib.OpenSubKey(guidStr);
String[] subKeyNames = regKey.GetSubKeyNames();
foreach (String versionStr in subKeyNames) {
RegistryKey versionKey = regKey.OpenSubKey(versionStr);
try {
if (versionKey == null) {
throw new Exception("Version entry not "
+ "found for typelib: "
+ guidStr);
}
TypeLibKey key = new TypeLibKey(new Guid(guidStr), versionStr);
// See if we already know about it
TypeLibrary convLib = (TypeLibrary)_openedTypeLibs[key];
if (convLib == null) {
lib = new TypeLibrary();
lib.Key = key;
lib.PopulateFromRegistry(versionKey);
// We don't read the type lib info until the user
// wants the detail text or something else
// that requires it
} else {
lib = convLib;
}
_registeredTypeLibs.Add(lib, lib);
} catch (Exception ex) {
TraceUtil.WriteLineInfo(null,
"TypeLib - failure to read: "
+ versionKey + " " + ex);
}
}
}