Initial import.

[mirror_edk2.git] / EdkModulePkg / Universal / UserInterface / HiiDataBase / Dxe / Forms.c

/*++\r
\r
Copyright (c) 2006, Intel Corporation                                                         \r
All rights reserved. This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
Module Name:\r
\r
  Forms.c\r
\r
Abstract:\r
\r
  This file contains the form processing code to the HII database.\r
\r
--*/\r
\r
\r
#include "HiiDatabase.h"\r
\r
CHAR16*\r
Ascii2Unicode (\r
  OUT CHAR16         *UnicodeStr,\r
  IN  CHAR8          *AsciiStr\r
  )\r
/*++\r
  \r
  Routine Description:\r
\r
    This function converts ASCII string to Unicode string.\r
  \r
  Arguments:\r
\r
    UnicodeStr     - NULL terminated Unicode output string.\r
    AsciieStr      - NULL terminated ASCII input string.\r
 \r
  Returns: \r
\r
    Start of the Unicode ouput string.\r
    \r
--*/\r
\r
{\r
  CHAR16      *Str = UnicodeStr;  \r
  while (TRUE) {\r
    *(UnicodeStr++) = (CHAR16) *AsciiStr;\r
    if (*(AsciiStr++) == '\0') {\r
      return Str;\r
    }\r
  }\r
}\r
\r
CHAR8*\r
Unicode2Ascii (\r
  OUT CHAR8          *AsciiStr,\r
  IN  CHAR16         *UnicodeStr\r
  )\r
/*++\r
  \r
  Routine Description:\r
\r
    This function converts Unicode string to ASCII string.\r
  \r
  Arguments:\r
\r
    AsciieStr      - NULL terminated ASCII output string.\r
    UnicodeStr     - NULL terminated Unicode input string.\r
 \r
  Returns: \r
\r
    Start of the ASCII ouput string.\r
    \r
--*/\r
\r
{\r
  CHAR8      *Str = AsciiStr;  \r
  while (TRUE) {\r
    *(AsciiStr++) = (CHAR8) *UnicodeStr;\r
    if (*(UnicodeStr++) == '\0') {\r
      return Str;\r
    }\r
  }\r
}\r
\r
VOID\r
ExtractDevicePathData (\r
  IN     EFI_HII_DATA_TABLE   *DataTable,\r
  IN     UINT8                *IfrData,\r
  IN OUT UINT8                **ExportBufferPtr\r
  )\r
/*++\r
\r
Routine Description:\r
  \r
Arguments:\r
\r
Returns: \r
\r
--*/\r
{\r
  UINT8 *ExportBuffer;\r
\r
  ExportBuffer = *ExportBufferPtr;\r
\r
  //\r
  // BUGBUG - don't have devicepath data yet, setting dummy value\r
  //\r
  DataTable++;\r
  ExportBuffer  = (UINT8 *) DataTable;\r
  ((EFI_HII_DEVICE_PATH_PACK *) ExportBuffer)->Header.Type = EFI_HII_DEVICE_PATH;\r
  ((EFI_HII_DEVICE_PATH_PACK *) ExportBuffer)->Header.Length = (UINT32) (sizeof (EFI_HII_DEVICE_PATH_PACK) + sizeof (EFI_DEVICE_PATH_PROTOCOL));\r
\r
  //\r
  // BUGBUG - part of hack - skip the Device Path Pack.....place some data\r
  //\r
  ExportBuffer  = ExportBuffer + sizeof (EFI_HII_DEVICE_PATH_PACK);\r
\r
  ((EFI_DEVICE_PATH_PROTOCOL *) ExportBuffer)->Type     = EFI_END_ENTIRE_DEVICE_PATH;\r
  ((EFI_DEVICE_PATH_PROTOCOL *) ExportBuffer)->SubType  = EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;\r
\r
  //\r
  // BUGBUG - still part of hack....\r
  //\r
  ExportBuffer      = ExportBuffer + sizeof (EFI_DEVICE_PATH_PROTOCOL);\r
  *ExportBufferPtr  = ExportBuffer;\r
}\r
\r
VOID\r
ExtractVariableData (\r
  IN OUT EFI_HII_DATA_TABLE   *DataTable,\r
  IN     UINT8                *IfrData,\r
  IN OUT UINT8                **ExportBufferPtr\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  This function extract the EFI_HII_VARIABLE_PACK portion from the \r
  each of the EFI_HII_PACKAGE_INSTANCE in HII handle database.\r
  \r
Arguments:\r
\r