/**
Load the variable data from file and set to variable data base.
@param[in] FileHandle The file to be read.
@param[in] Name The name of the variables to be loaded.
@param[in] Guid The guid of the variables to be loaded.
@param[out] Found TRUE when at least one variable was loaded and set.
@retval SHELL_DEVICE_ERROR Cannot access the file.
@retval SHELL_VOLUME_CORRUPTED The file is in bad format.
@retval SHELL_OUT_OF_RESOURCES There is not enough memory to perform the operation.
@retval SHELL_SUCCESS Successfully load and set the variables.
**/
SHELL_STATUS
LoadVariablesFromFile (
IN SHELL_FILE_HANDLE FileHandle,
IN CONST CHAR16 *Name,
IN CONST EFI_GUID *Guid,
OUT BOOLEAN *Found
)
{
EFI_STATUS Status;
SHELL_STATUS ShellStatus;
UINT32 NameSize;
UINT32 DataSize;
UINTN BufferSize;
UINTN RemainingSize;
UINT64 Position;
UINT64 FileSize;
LIST_ENTRY List;
DMP_STORE_VARIABLE *Variable;
LIST_ENTRY *Link;
CHAR16 *Attributes;
UINT8 *Buffer;
UINT32 Crc32;
Status = ShellGetFileSize (FileHandle, &FileSize);
if (EFI_ERROR (Status)) {
return SHELL_DEVICE_ERROR;
}
ShellStatus = SHELL_SUCCESS;
InitializeListHead (&List);
Position = 0;
while (Position < FileSize) {
//
// NameSize
//
BufferSize = sizeof (NameSize);
Status = ShellReadFile (FileHandle, &BufferSize, &NameSize);
if (EFI_ERROR (Status) || (BufferSize != sizeof (NameSize))) {
ShellStatus = SHELL_VOLUME_CORRUPTED;
break;
}
//
// DataSize
//
BufferSize = sizeof (DataSize);
Status = ShellReadFile (FileHandle, &BufferSize, &DataSize);
if (EFI_ERROR (Status) || (BufferSize != sizeof (DataSize))) {
ShellStatus = SHELL_VOLUME_CORRUPTED;
break;
}
//
// Name, Guid, Attributes, Data, Crc32
//
RemainingSize = NameSize + sizeof (EFI_GUID) + sizeof (UINT32) + DataSize + sizeof (Crc32);
BufferSize = sizeof (NameSize) + sizeof (DataSize) + RemainingSize;
Buffer = AllocatePool (BufferSize);
if (Buffer == NULL) {
ShellStatus = SHELL_OUT_OF_RESOURCES;
break;
}
BufferSize = RemainingSize;
Status = ShellReadFile (FileHandle, &BufferSize, (UINT32 *) Buffer + 2);
if (EFI_ERROR (Status) || (BufferSize != RemainingSize)) {
ShellStatus = SHELL_VOLUME_CORRUPTED;
FreePool (Buffer);
break;
}
//
// Check Crc32
//
* (UINT32 *) Buffer = NameSize;
* ((UINT32 *) Buffer + 1) = DataSize;
BufferSize = RemainingSize + sizeof (NameSize) + sizeof (DataSize) - sizeof (Crc32);
gBS->CalculateCrc32 (
Buffer,
BufferSize,
&Crc32
);
if (Crc32 != * (UINT32 *) (Buffer + BufferSize)) {
FreePool (Buffer);
ShellStatus = SHELL_VOLUME_CORRUPTED;
break;
}
Position += BufferSize + sizeof (Crc32);
Variable = AllocateZeroPool (sizeof (*Variable) + NameSize + DataSize);
if (Variable == NULL) {
FreePool (Buffer);
ShellStatus = SHELL_OUT_OF_RESOURCES;
break;
}
Variable->Signature = DMP_STORE_VARIABLE_SIGNATURE;
Variable->Name = (CHAR16 *) (Variable + 1);
Variable->DataSize = DataSize;
Variable->Data = (UINT8 *) Variable->Name + NameSize;
CopyMem (Variable->Name, Buffer + sizeof (NameSize) + sizeof (DataSize), NameSize);
CopyMem (&Variable->Guid, Buffer + sizeof (NameSize) + sizeof (DataSize) + NameSize, sizeof (EFI_GUID));
CopyMem (&Variable->Attributes, Buffer + sizeof (NameSize) + sizeof (DataSize) + NameSize + sizeof (EFI_GUID), sizeof (UINT32));
CopyMem (Variable->Data, Buffer + sizeof (NameSize) + sizeof (DataSize) + NameSize + sizeof (EFI_GUID) + sizeof (UINT32), DataSize);
InsertTailList (&List, &Variable->Link);
FreePool (Buffer);
}
if ((Position != FileSize) || (ShellStatus != SHELL_SUCCESS)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMPSTORE_LOAD_BAD_FILE), gShellDebug1HiiHandle, L"dmpstore");
if (Position != FileSize) {
ShellStatus = SHELL_VOLUME_CORRUPTED;
}
}
for ( Link = GetFirstNode (&List)
; !IsNull (&List, Link) && (ShellStatus == SHELL_SUCCESS)
; Link = GetNextNode (&List, Link)
) {
Variable = CR (Link, DMP_STORE_VARIABLE, Link, DMP_STORE_VARIABLE_SIGNATURE);
if (((Name == NULL) || gUnicodeCollation->MetaiMatch (gUnicodeCollation, Variable->Name, (CHAR16 *) Name)) &&
((Guid == NULL) || CompareGuid (&Variable->Guid, Guid))
) {
Attributes = GetAttrType (Variable->Attributes);
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN(STR_DMPSTORE_HEADER_LINE), gShellDebug1HiiHandle,
Attributes, &Variable->Guid, Variable->Name, Variable->DataSize
);
SHELL_FREE_NON_NULL(Attributes);
*Found = TRUE;
Status = gRT->SetVariable (
Variable->Name,
&Variable->Guid,
Variable->Attributes,
Variable->DataSize,
Variable->Data
);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMPSTORE_LOAD_GEN_FAIL), gShellDebug1HiiHandle, L"dmpstore", Variable->Name, Status);
}
}
}
for (Link = GetFirstNode (&List); !IsNull (&List, Link); ) {
Variable = CR (Link, DMP_STORE_VARIABLE, Link, DMP_STORE_VARIABLE_SIGNATURE);
Link = RemoveEntryList (&Variable->Link);
FreePool (Variable);
}
return ShellStatus;
}
/**
* \en
* \_en
* \ru
* \brief Возвращает тип пользовательского поля объекта
*
* \param obj - объект, тип атрибута которого надо получить
* \param attr - название атрибута
* \param table - необязательный, таблица объекта (для документов)
* \return тип атрибута, например "O 115"
*
* Пример использования
* \code
* cat = new Catalogue("Номенклатура");
* meta = new Meta();
* type = meta.GetAttrType(cat, "Наименование");
* \endcode
* \_ru
*/
QString AExtMeta::GetAttrType(aObject * aobj, QString attr, QString table)
{
return GetAttrType( db->cfg.attr(aobj->obj, mda_name), attr, table );
}
