[mirror_edk2.git] / MdePkg / Include / Library / HiiLib.h

/** @file\r
  Public include file for the HII Library\r
\r
  Copyright (c) 2007 - 2008, 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
**/\r
\r
#ifndef __HII_LIB_H__\r
#define __HII_LIB_H__\r
\r
//\r
// Limited buffer size recommended by RFC4646 (4.3.  Length Considerations)\r
// (42 characters plus a NULL terminator)\r
//\r
#define RFC_3066_ENTRY_SIZE             (42 + 1)\r
\r
#define ISO_639_2_ENTRY_SIZE            3\r
\r
/**\r
  Assemble EFI_HII_PACKAGE_LIST according to the passed in packages.\r
\r
  If GuidId is NULL, then ASSERT.\r
  If not enough resource to complete the operation, then ASSERT.\r
\r
  @param  NumberOfPackages       Number of packages.\r
  @param  GuidId                          Package GUID.\r
  @param  ...                                Variable argument list for packages to be assembled.\r
\r
  @return EFI_HII_PACKAGE_LIST_HEADER Pointer of EFI_HII_PACKAGE_LIST_HEADER. The function will ASSERT if system has\r
                                                                not enough resource to complete the operation.\r
\r
**/\r
EFI_HII_PACKAGE_LIST_HEADER *\r
EFIAPI\r
HiiLibPreparePackageList (\r
  IN UINTN                    NumberOfPackages,\r
  IN CONST EFI_GUID                 *GuidId,\r
  ...\r
  )\r
;\r
\r
/**\r
  This function allocates pool for an EFI_HII_PACKAGE_LIST structure\r
  with additional space that is big enough to host all packages described by the variable \r
  argument list of package pointers.  The allocated structure is initialized using NumberOfPackages, \r
  GuidId,  and the variable length argument list of package pointers.\r
\r
  Then, EFI_HII_PACKAGE_LIST will be register to the default System HII Database. The\r
  Handle to the newly registered Package List is returned throught HiiHandle.\r
\r
  If HiiHandle is NULL, then ASSERT.\r
\r
  @param  NumberOfPackages    The number of HII packages to register.\r
  @param  GuidId              Package List GUID ID.\r
  @param  DriverHandle        Optional. If not NULL, the DriverHandle on which an instance of DEVICE_PATH_PROTOCOL is installed.\r
                              This DriverHandle uniquely defines the device that the added packages are associated with.\r
  @param  HiiHandle           On output, the HiiHandle is update with the handle which can be used to retrieve the Package \r
                              List later. If the functions failed to add the package to the default HII database, this value will\r
                              be set to NULL.\r
  @param  ...                 The variable argument list describing all HII Package.\r
\r
  @return  EFI_SUCCESS         If the packages are successfully added to the default HII database.\r
  @return  EFI_OUT_OF_RESOURCE Not enough resource to complete the operation.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiLibAddPackages (\r
  IN       UINTN               NumberOfPackages,\r
  IN CONST EFI_GUID            *GuidId,\r
  IN       EFI_HANDLE          DriverHandle, OPTIONAL\r
  OUT      EFI_HII_HANDLE      *HiiHandle,\r
  ...\r
  )\r
;\r
\r
/**\r
  Removes a package list from the default HII database.\r
\r
  If HiiHandle is NULL, then ASSERT.\r
  If HiiHandle is not a valid EFI_HII_HANDLE in the default HII database, then ASSERT.\r
\r
  @param  HiiHandle                The handle that was previously registered to the data base that is requested for removal.\r
                                             List later.\r
\r
  @return  VOID\r
\r
**/\r
VOID\r
EFIAPI\r
HiiLibRemovePackages (\r
  IN      EFI_HII_HANDLE      HiiHandle\r
  )\r
;\r
\r
/**\r
  This function adds the string into String Package of each language\r
  supported by the package list.\r
\r
  If String is NULL, then ASSERT.\r
  If StringId is NULL, the ASSERT.\r
  If PackageList could not be found in the default HII database, then ASSERT.\r
\r
  @param  PackageList            Handle of the package list where this string will\r
                                            be added.\r
  @param  StringId               On return, contains the new strings id, which is\r
                                          unique within PackageList.\r
  @param  String                 Points to the new null-terminated string.\r
\r
  @retval EFI_SUCCESS             The new string was added successfully.\r
  @retval EFI_OUT_OF_RESOURCES   Could not add the string due to lack of resources.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiLibNewString (\r
  IN  EFI_HII_HANDLE                  PackageList,\r
  OUT EFI_STRING_ID                   *StringId,\r
  IN  CONST EFI_STRING                String\r
  )\r
;\r
\r
/**\r
  This function update the specified string in String Package of each language\r
  supported by the package list.\r
\r
  If String is NULL, then ASSERT.\r
  If PackageList could not be found in the default HII database, then ASSERT.\r
  If StringId is not found in PackageList, then ASSERT.\r
\r
  @param  PackageList            Handle of the package list where this string will\r
                                            be added.\r
  @param  StringId               Ths String Id to be updated.\r
  @param  String                 Points to the new null-terminated string.\r
\r
  @retval EFI_SUCCESS            The new string was added successfully.\r
  @retval EFI_OUT_OF_RESOURCES   Could not add the string due to lack of resources.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiLibSetString (\r
  IN  EFI_HII_HANDLE                  PackageList,\r
  IN  EFI_STRING_ID                   StringId,\r
  IN  CONST EFI_STRING                String\r
  )\r
;\r
\r
/**\r
  This function try to retrieve string from String package of current language.\r
  If fails, it try to retrieve string from String package of first language it support.\r
\r
  If String is NULL, then ASSERT.\r
  If StringSize is NULL, then ASSERT.\r
  If PackageList could not be found in the default HII database, then ASSERT.\r
  If StringId is not found in PackageList, then ASSERT.\r
\r
  @param  PackageList     The package list in the HII database to search for\r
                                     the specified string.\r
  @param  StringId          The string's id, which is unique within\r
                                      PackageList.\r
  @param  String             Points to the new null-terminated string.\r
  @param  StringSize       On entry, points to the size of the buffer pointed\r
                                 to by String, in bytes. On return, points to the\r
                                 length of the string, in bytes.\r
\r
  @retval EFI_SUCCESS            The string was returned successfully.\r
  @retval EFI_NOT_FOUND          The string specified by StringId is not available.\r
  @retval EFI_BUFFER_TOO_SMALL   The buffer specified by StringLength is too small\r
                                 to hold the string.\r
  @retval EFI_INVALID_PARAMETER  The String or StringSize was NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiLibGetString (\r
  IN  EFI_HII_HANDLE                  PackageList,\r
  IN  EFI_STRING_ID                   StringId,\r
  OUT EFI_STRING                      String,\r
  IN  OUT UINTN                       *StringSize\r
  )\r
;\r
\r
/**\r
  Get string specified by StringId form the HiiHandle. The caller\r
  is responsible to free the *String.\r
\r
  If String is NULL, then ASSERT.\r
  If HiiHandle could not be found in the default HII database, then ASSERT.\r
  If StringId is not found in PackageList, then ASSERT.\r
\r
  @param  HiiHandle              The HII handle of package list.\r
  @param  StringId               The String ID.\r
  @param  String                 The output string.\r
\r
  @retval EFI_NOT_FOUND          String is not found.\r
  @retval EFI_SUCCESS            Operation is successful.\r
  @retval EFI_OUT_OF_RESOURCES   There is not enought memory in the system.\r
  @retval EFI_INVALID_PARAMETER  The String is NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiLibGetStringFromHandle (\r
  IN  EFI_HII_HANDLE                  HiiHandle,\r
  IN  EFI_STRING_ID                   StringId,\r
  OUT EFI_STRING                      *String\r
  )\r
;\r
\r
/**\r
  Get the string given the StringId and String package Producer's Guid. The caller\r
  is responsible to free the *String.\r
\r
  If PackageList with the matching ProducerGuid is not found, then ASSERT.\r
  If PackageList with the matching ProducerGuid is found but no String is\r
  specified by StringId is found, then ASSERT.\r
\r
  @param  ProducerGuid           The Guid of String package list.\r
  @param  StringId               The String ID.\r
  @param  String                 The output string.\r
\r
  @retval EFI_SUCCESS            Operation is successful.\r
  @retval EFI_OUT_OF_RESOURCES   There is not enought memory in the system.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiLibGetStringFromToken (\r
  IN  EFI_GUID                        *ProducerGuid,\r
  IN  EFI_STRING_ID                   StringId,\r
  OUT EFI_STRING                      *String\r
  )\r
;\r
\r
/**\r
  Determines the handles that are currently active in the database.\r
  It's the caller's responsibility to free handle buffer.\r
\r
  If HandleBufferLength is NULL, then ASSERT.\r
  If HiiHandleBuffer is NULL, then ASSERT.\r
\r
  @param  HandleBufferLength     On input, a pointer to the length of the handle\r
                                 buffer. On output, the length of the handle buffer\r
                                 that is required for the handles found.\r
  @param  HiiHandleBuffer        Pointer to an array of Hii Handles returned.\r
\r
  @retval EFI_SUCCESS            Get an array of Hii Handles successfully.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiLibGetHiiHandles (\r
  IN OUT UINTN                     *HandleBufferLength,\r
  OUT    EFI_HII_HANDLE            **HiiHandleBuffer\r
  )\r
;\r
\r
/**\r
  Extract Hii package list GUID for given HII handle.\r
\r
  If HiiHandle could not be found in the default HII database, then ASSERT.\r
  If Guid is NULL, then ASSERT.\r
\r
  @param  Handle              Hii handle\r
  @param  Guid                Package list GUID\r
\r
  @retval EFI_SUCCESS            Successfully extract GUID from Hii database.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiLibExtractGuidFromHiiHandle (\r
  IN      EFI_HII_HANDLE      Handle,\r
  OUT     EFI_GUID            *Guid\r
  )\r
;\r
\r
/**\r
  Find HII Handle in the default HII database associated with given Device Path.\r
\r
  If DevicePath is NULL, then ASSERT.\r
\r
  @param  DevicePath             Device Path associated with the HII package list\r
                                 handle.\r
\r
  @retval Handle                 HII package list Handle associated with the Device\r
                                        Path.\r
  @retval NULL                   Hii Package list handle is not found.\r
\r
**/\r
EFI_HII_HANDLE\r
EFIAPI\r
HiiLibDevicePathToHiiHandle (\r
  IN EFI_DEVICE_PATH_PROTOCOL   *DevicePath\r
  )\r
;\r
\r
\r
/**\r
  Determine what is the current language setting. The space reserved for Lang\r
  must be at least RFC_3066_ENTRY_SIZE bytes;\r
\r
  If Lang is NULL, then ASSERT.\r
\r
  @param  Lang                   Pointer of system language. Lang will always be filled with \r
                                         a valid RFC 3066 language string. If "PlatformLang" is not\r
                                         set in the system, the default language specifed by PcdUefiVariableDefaultPlatformLang\r
                                         is returned.\r
\r
  @return  EFI_SUCCESS     If the EFI Variable with "PlatformLang" is set and return in Lang.\r
  @return  EFI_NOT_FOUND If the EFI Variable with "PlatformLang" is not set, but a valid default language is return in Lang.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
HiiLibGetCurrentLanguage (\r
  OUT     CHAR8               *Lang\r
  )\r
;\r
\r
/**\r
  Get next language from language code list (with separator ';').\r
\r
  If LangCode is NULL, then ASSERT.\r
  If Lang is NULL, then ASSERT.\r
\r
  @param  LangCode    On input: point to first language in the list. On\r
                                 output: point to next language in the list, or\r
                                 NULL if no more language in the list.\r
  @param  Lang           The first language in the list.\r
\r
**/\r
VOID\r
EFIAPI\r
HiiLibGetNextLanguage (\r
  IN OUT CHAR8      **LangCode,\r
  OUT CHAR8         *Lang\r
  )\r
;\r
\r
/**\r
  This function returns the list of supported languages, in the format specified\r
  in UEFI specification Appendix M.\r
\r
  If HiiHandle is not a valid Handle in the default HII database, then ASSERT.\r
\r
  @param  HiiHandle              The HII package list handle.\r
\r
  @retval   !NULL  The supported languages.\r
  @retval   NULL    If Supported Languages can not be retrived.\r
\r
**/\r
CHAR8 *\r
EFIAPI\r
HiiLibGetSupportedLanguages (\r
  IN EFI_HII_HANDLE           HiiHandle\r
  )\r
;\r
\r
/**\r
  This function returns the list of supported 2nd languages, in the format specified\r
  in UEFI specification Appendix M.\r
\r
  If HiiHandle is not a valid Handle in the default HII database, then ASSERT.\r
  If not enough resource to complete the operation, then ASSERT.\r
\r
  @param  HiiHandle              The HII package list handle.\r
  @param  FirstLanguage          Pointer to language name buffer.\r
  \r
  @return The supported languages.\r
\r
**/\r
CHAR8 *\r
EFIAPI\r
HiiLibGetSupportedSecondaryLanguages (\r
  IN EFI_HII_HANDLE           HiiHandle,\r
  IN CONST CHAR8              *FirstLanguage\r
  )\r
;\r
\r
\r
/**\r
  This function returns the number of supported languages on HiiHandle.\r
\r
  If HiiHandle is not a valid Handle in the default HII database, then ASSERT.\r
  If not enough resource to complete the operation, then ASSERT.\r
\r
  @param  HiiHandle              The HII package list handle.\r
\r
  @return The  number of supported languages.\r
\r
**/\r
UINT16\r
EFIAPI\r
HiiLibGetSupportedLanguageNumber (\r
  IN EFI_HII_HANDLE           HiiHandle\r
  )\r
;\r
\r
/**\r
  Convert language code from RFC3066 to ISO639-2.\r
\r
  LanguageRfc3066 contain a single RFC 3066 code such as\r
  "en-US" or "fr-FR".\r
\r
  The LanguageRfc3066 must be a buffer large enough\r
  for ISO_639_2_ENTRY_SIZE characters.\r
\r
  If LanguageRfc3066 is NULL, then ASSERT.\r
  If LanguageIso639 is NULL, then ASSERT.\r
\r
  @param  LanguageRfc3066        RFC3066 language code.\r
  @param  LanguageIso639         ISO639-2 language code.\r
\r
  @retval EFI_SUCCESS            Language code converted.\r
  @retval EFI_NOT_FOUND          Language code not found.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ConvertRfc3066LanguageToIso639Language (\r
  IN  CHAR8   *LanguageRfc3066,\r
  OUT CHAR8   *LanguageIso639\r
  )\r
;\r
\r
/**\r
  Convert language code from ISO639-2 to RFC3066.\r
\r
  LanguageIso639 contain a single ISO639-2 code such as\r
  "eng" or "fra".\r
\r
  The LanguageRfc3066 must be a buffer large enough\r
  for RFC_3066_ENTRY_SIZE characters.\r
\r
  If LanguageIso639 is NULL, then ASSERT.\r
  If LanguageRfc3066 is NULL, then ASSERT.\r
\r
  @param  LanguageIso639         ISO639-2 language code.\r
  @param  LanguageRfc3066        RFC3066 language code.\r
\r
  @retval EFI_SUCCESS            Language code converted.\r
  @retval EFI_NOT_FOUND          Language code not found.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ConvertIso639LanguageToRfc3066Language (\r
  IN  CONST CHAR8   *LanguageIso639,\r
  OUT CHAR8         *LanguageRfc3066\r
  )\r
;\r
\r
/**\r
  Convert language code list from RFC3066 to ISO639-2, e.g. "en-US;fr-FR" will\r
  be converted to "engfra".\r
\r
  If SupportedLanguages is NULL, then ASSERT.\r
\r
  @param  SupportedLanguages     The RFC3066 language list.\r
\r
  @return The ISO639-2 language list.\r
\r
**/\r
CHAR8 *\r
EFIAPI\r
Rfc3066ToIso639 (\r
  CHAR8  *SupportedLanguages\r
  )\r
;\r
\r
#endif\r
Commit	Line	Data
fb3df220	1	/** @file\r
	2	Public include file for the HII Library\r
	3	\r
e52c5a9f	4	Copyright (c) 2007 - 2008, Intel Corporation \r
fb3df220	5	All rights reserved. This program and the accompanying materials \r
	6	are licensed and made available under the terms and conditions of the BSD License \r
	7	which accompanies this distribution. The full text of the license may be found at \r
	8	http://opensource.org/licenses/bsd-license.php \r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	12	\r
fb3df220	13	**/\r
	14	\r
	15	#ifndef __HII_LIB_H__\r
	16	#define __HII_LIB_H__\r
	17	\r
7d582d6b	18	//\r
	19	// Limited buffer size recommended by RFC4646 (4.3. Length Considerations)\r
	20	// (42 characters plus a NULL terminator)\r
	21	//\r
	22	#define RFC_3066_ENTRY_SIZE (42 + 1)\r
fb3df220	23	\r
e52c5a9f	24	#define ISO_639_2_ENTRY_SIZE 3\r
	25	\r
	26	/**\r
	27	Assemble EFI_HII_PACKAGE_LIST according to the passed in packages.\r
	28	\r
	29	If GuidId is NULL, then ASSERT.\r
	30	If not enough resource to complete the operation, then ASSERT.\r
	31	\r
	32	@param NumberOfPackages Number of packages.\r
	33	@param GuidId Package GUID.\r
	34	@param ... Variable argument list for packages to be assembled.\r
	35	\r
	36	@return EFI_HII_PACKAGE_LIST_HEADER Pointer of EFI_HII_PACKAGE_LIST_HEADER. The function will ASSERT if system has\r
	37	not enough resource to complete the operation.\r
	38	\r
	39	**/\r
	40	EFI_HII_PACKAGE_LIST_HEADER *\r
	41	EFIAPI\r
	42	HiiLibPreparePackageList (\r
	43	IN UINTN NumberOfPackages,\r
	44	IN CONST EFI_GUID *GuidId,\r
	45	...\r
	46	)\r
	47	;\r
	48	\r
fb3df220	49	/**\r
7d582d6b	50	This function allocates pool for an EFI_HII_PACKAGE_LIST structure\r
	51	with additional space that is big enough to host all packages described by the variable \r
	52	argument list of package pointers. The allocated structure is initialized using NumberOfPackages, \r
	53	GuidId, and the variable length argument list of package pointers.\r
fb3df220	54	\r
7d582d6b	55	Then, EFI_HII_PACKAGE_LIST will be register to the default System HII Database. The\r
	56	Handle to the newly registered Package List is returned throught HiiHandle.\r
	57	\r
e52c5a9f	58	If HiiHandle is NULL, then ASSERT.\r
e52c5a9f	59	\r
01aef47b	60	@param NumberOfPackages The number of HII packages to register.\r
	61	@param GuidId Package List GUID ID.\r
	62	@param DriverHandle Optional. If not NULL, the DriverHandle on which an instance of DEVICE_PATH_PROTOCOL is installed.\r
	63	This DriverHandle uniquely defines the device that the added packages are associated with.\r
	64	@param HiiHandle On output, the HiiHandle is update with the handle which can be used to retrieve the Package \r
	65	List later. If the functions failed to add the package to the default HII database, this value will\r
	66	be set to NULL.\r
	67	@param ... The variable argument list describing all HII Package.\r
fb3df220	68	\r
e52c5a9f	69	@return EFI_SUCCESS If the packages are successfully added to the default HII database.\r
e52c5a9f	70	@return EFI_OUT_OF_RESOURCE Not enough resource to complete the operation.\r
fb3df220	71	\r
fb3df220	72	**/\r
7d582d6b	73	EFI_STATUS\r
fb3df220	74	EFIAPI\r
e52c5a9f	75	HiiLibAddPackages (\r
7d582d6b	76	IN UINTN NumberOfPackages,\r
	77	IN CONST EFI_GUID *GuidId,\r
	78	IN EFI_HANDLE DriverHandle, OPTIONAL\r
e52c5a9f	79	OUT EFI_HII_HANDLE *HiiHandle,\r
fb3df220	80	...\r
7d582d6b	81	)\r
	82	;\r
	83	\r
e52c5a9f	84	/**\r
	85	Removes a package list from the default HII database.\r
	86	\r
	87	If HiiHandle is NULL, then ASSERT.\r
	88	If HiiHandle is not a valid EFI_HII_HANDLE in the default HII database, then ASSERT.\r
	89	\r
	90	@param HiiHandle The handle that was previously registered to the data base that is requested for removal.\r
	91	List later.\r
	92	\r
	93	@return VOID\r
	94	\r
	95	**/\r
	96	VOID\r
7d582d6b	97	EFIAPI\r
e52c5a9f	98	HiiLibRemovePackages (\r
7d582d6b	99	IN EFI_HII_HANDLE HiiHandle\r
	100	)\r
	101	;\r
	102	\r
	103	/**\r
e52c5a9f	104	This function adds the string into String Package of each language\r
	105	supported by the package list.\r
	106	\r
	107	If String is NULL, then ASSERT.\r
	108	If StringId is NULL, the ASSERT.\r
	109	If PackageList could not be found in the default HII database, then ASSERT.\r
7d582d6b	110	\r
7d582d6b	111	@param PackageList Handle of the package list where this string will\r
e52c5a9f	112	be added.\r
7d582d6b	113	@param StringId On return, contains the new strings id, which is\r
e52c5a9f	114	unique within PackageList.\r
7d582d6b	115	@param String Points to the new null-terminated string.\r
7d582d6b	116	\r
e52c5a9f	117	@retval EFI_SUCCESS The new string was added successfully.\r
7d582d6b	118	@retval EFI_OUT_OF_RESOURCES Could not add the string due to lack of resources.\r
7d582d6b	119	\r
	120	**/\r
	121	EFI_STATUS\r
	122	EFIAPI\r
e52c5a9f	123	HiiLibNewString (\r
7d582d6b	124	IN EFI_HII_HANDLE PackageList,\r
	125	OUT EFI_STRING_ID *StringId,\r
	126	IN CONST EFI_STRING String\r
	127	)\r
	128	;\r
	129	\r
	130	/**\r
e52c5a9f	131	This function update the specified string in String Package of each language\r
	132	supported by the package list.\r
	133	\r
	134	If String is NULL, then ASSERT.\r
	135	If PackageList could not be found in the default HII database, then ASSERT.\r
	136	If StringId is not found in PackageList, then ASSERT.\r
7d582d6b	137	\r
7d582d6b	138	@param PackageList Handle of the package list where this string will\r
e52c5a9f	139	be added.\r
7d582d6b	140	@param StringId Ths String Id to be updated.\r
	141	@param String Points to the new null-terminated string.\r
	142	\r
	143	@retval EFI_SUCCESS The new string was added successfully.\r
7d582d6b	144	@retval EFI_OUT_OF_RESOURCES Could not add the string due to lack of resources.\r
7d582d6b	145	\r
	146	**/\r
	147	EFI_STATUS\r
	148	EFIAPI\r
e52c5a9f	149	HiiLibSetString (\r
7d582d6b	150	IN EFI_HII_HANDLE PackageList,\r
	151	IN EFI_STRING_ID StringId,\r
	152	IN CONST EFI_STRING String\r
	153	)\r
	154	;\r
	155	\r
e52c5a9f	156	/**\r
	157	This function try to retrieve string from String package of current language.\r
	158	If fails, it try to retrieve string from String package of first language it support.\r
	159	\r
	160	If String is NULL, then ASSERT.\r
	161	If StringSize is NULL, then ASSERT.\r
	162	If PackageList could not be found in the default HII database, then ASSERT.\r
	163	If StringId is not found in PackageList, then ASSERT.\r
	164	\r
	165	@param PackageList The package list in the HII database to search for\r
	166	the specified string.\r
	167	@param StringId The string's id, which is unique within\r
	168	PackageList.\r
	169	@param String Points to the new null-terminated string.\r
	170	@param StringSize On entry, points to the size of the buffer pointed\r
	171	to by String, in bytes. On return, points to the\r
	172	length of the string, in bytes.\r
	173	\r
	174	@retval EFI_SUCCESS The string was returned successfully.\r
	175	@retval EFI_NOT_FOUND The string specified by StringId is not available.\r
	176	@retval EFI_BUFFER_TOO_SMALL The buffer specified by StringLength is too small\r
	177	to hold the string.\r
	178	@retval EFI_INVALID_PARAMETER The String or StringSize was NULL.\r
7d582d6b	179	\r
e52c5a9f	180	**/\r
7d582d6b	181	EFI_STATUS\r
7d582d6b	182	EFIAPI\r
e52c5a9f	183	HiiLibGetString (\r
	184	IN EFI_HII_HANDLE PackageList,\r
	185	IN EFI_STRING_ID StringId,\r
	186	OUT EFI_STRING String,\r
	187	IN OUT UINTN *StringSize\r
	188	)\r
	189	;\r
	190	\r
	191	/**\r
	192	Get string specified by StringId form the HiiHandle. The caller\r
	193	is responsible to free the *String.\r
	194	\r
	195	If String is NULL, then ASSERT.\r
	196	If HiiHandle could not be found in the default HII database, then ASSERT.\r
	197	If StringId is not found in PackageList, then ASSERT.\r
	198	\r
	199	@param HiiHandle The HII handle of package list.\r
	200	@param StringId The String ID.\r
	201	@param String The output string.\r
	202	\r
	203	@retval EFI_NOT_FOUND String is not found.\r
	204	@retval EFI_SUCCESS Operation is successful.\r
	205	@retval EFI_OUT_OF_RESOURCES There is not enought memory in the system.\r
	206	@retval EFI_INVALID_PARAMETER The String is NULL.\r
	207	\r
	208	**/\r
	209	EFI_STATUS\r
	210	EFIAPI\r
	211	HiiLibGetStringFromHandle (\r
	212	IN EFI_HII_HANDLE HiiHandle,\r
7d582d6b	213	IN EFI_STRING_ID StringId,\r
	214	OUT EFI_STRING *String\r
	215	)\r
	216	;\r
	217	\r
e52c5a9f	218	/**\r
	219	Get the string given the StringId and String package Producer's Guid. The caller\r
	220	is responsible to free the *String.\r
	221	\r
	222	If PackageList with the matching ProducerGuid is not found, then ASSERT.\r
	223	If PackageList with the matching ProducerGuid is found but no String is\r
	224	specified by StringId is found, then ASSERT.\r
	225	\r
	226	@param ProducerGuid The Guid of String package list.\r
	227	@param StringId The String ID.\r
	228	@param String The output string.\r
	229	\r
	230	@retval EFI_SUCCESS Operation is successful.\r
	231	@retval EFI_OUT_OF_RESOURCES There is not enought memory in the system.\r
	232	\r
	233	**/\r
7d582d6b	234	EFI_STATUS\r
7d582d6b	235	EFIAPI\r
e52c5a9f	236	HiiLibGetStringFromToken (\r
	237	IN EFI_GUID *ProducerGuid,\r
	238	IN EFI_STRING_ID StringId,\r
	239	OUT EFI_STRING *String\r
7d582d6b	240	)\r
	241	;\r
	242	\r
e52c5a9f	243	/**\r
	244	Determines the handles that are currently active in the database.\r
	245	It's the caller's responsibility to free handle buffer.\r
	246	\r
	247	If HandleBufferLength is NULL, then ASSERT.\r
	248	If HiiHandleBuffer is NULL, then ASSERT.\r
	249	\r
e52c5a9f	250	@param HandleBufferLength On input, a pointer to the length of the handle\r
	251	buffer. On output, the length of the handle buffer\r
	252	that is required for the handles found.\r
	253	@param HiiHandleBuffer Pointer to an array of Hii Handles returned.\r
	254	\r
	255	@retval EFI_SUCCESS Get an array of Hii Handles successfully.\r
	256	\r
	257	**/\r
7d582d6b	258	EFI_STATUS\r
7d582d6b	259	EFIAPI\r
e52c5a9f	260	HiiLibGetHiiHandles (\r
	261	IN OUT UINTN *HandleBufferLength,\r
	262	OUT EFI_HII_HANDLE **HiiHandleBuffer\r
7d582d6b	263	)\r
	264	;\r
	265	\r
e52c5a9f	266	/**\r
	267	Extract Hii package list GUID for given HII handle.\r
	268	\r
	269	If HiiHandle could not be found in the default HII database, then ASSERT.\r
	270	If Guid is NULL, then ASSERT.\r
	271	\r
01aef47b	272	@param Handle Hii handle\r
01aef47b	273	@param Guid Package list GUID\r
7d582d6b	274	\r
e52c5a9f	275	@retval EFI_SUCCESS Successfully extract GUID from Hii database.\r
	276	\r
	277	**/\r
7d582d6b	278	EFI_STATUS\r
e52c5a9f	279	EFIAPI\r
e52c5a9f	280	HiiLibExtractGuidFromHiiHandle (\r
7d582d6b	281	IN EFI_HII_HANDLE Handle,\r
e52c5a9f	282	OUT EFI_GUID *Guid\r
	283	)\r
	284	;\r
	285	\r
	286	/**\r
	287	Find HII Handle in the default HII database associated with given Device Path.\r
	288	\r
	289	If DevicePath is NULL, then ASSERT.\r
	290	\r
	291	@param DevicePath Device Path associated with the HII package list\r
	292	handle.\r
	293	\r
	294	@retval Handle HII package list Handle associated with the Device\r
	295	Path.\r
	296	@retval NULL Hii Package list handle is not found.\r
	297	\r
	298	**/\r
	299	EFI_HII_HANDLE\r
	300	EFIAPI\r
	301	HiiLibDevicePathToHiiHandle (\r
	302	IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r
	303	)\r
	304	;\r
	305	\r
	306	\r
	307	/**\r
	308	Determine what is the current language setting. The space reserved for Lang\r
	309	must be at least RFC_3066_ENTRY_SIZE bytes;\r
	310	\r
	311	If Lang is NULL, then ASSERT.\r
	312	\r
	313	@param Lang Pointer of system language. Lang will always be filled with \r
	314	a valid RFC 3066 language string. If "PlatformLang" is not\r
	315	set in the system, the default language specifed by PcdUefiVariableDefaultPlatformLang\r
	316	is returned.\r
	317	\r
	318	@return EFI_SUCCESS If the EFI Variable with "PlatformLang" is set and return in Lang.\r
	319	@return EFI_NOT_FOUND If the EFI Variable with "PlatformLang" is not set, but a valid default language is return in Lang.\r
	320	\r
	321	**/\r
	322	EFI_STATUS\r
	323	EFIAPI\r
	324	HiiLibGetCurrentLanguage (\r
	325	OUT CHAR8 *Lang\r
7d582d6b	326	)\r
e52c5a9f	327	;\r
7d582d6b	328	\r
e52c5a9f	329	/**\r
e52c5a9f	330	Get next language from language code list (with separator ';').\r
7d582d6b	331	\r
e52c5a9f	332	If LangCode is NULL, then ASSERT.\r
e52c5a9f	333	If Lang is NULL, then ASSERT.\r
7d582d6b	334	\r
e52c5a9f	335	@param LangCode On input: point to first language in the list. On\r
	336	output: point to next language in the list, or\r
	337	NULL if no more language in the list.\r
	338	@param Lang The first language in the list.\r
7d582d6b	339	\r
e52c5a9f	340	**/\r
	341	VOID\r
	342	EFIAPI\r
	343	HiiLibGetNextLanguage (\r
	344	IN OUT CHAR8 **LangCode,\r
	345	OUT CHAR8 *Lang\r
	346	)\r
	347	;\r
	348	\r
	349	/**\r
	350	This function returns the list of supported languages, in the format specified\r
	351	in UEFI specification Appendix M.\r
	352	\r
	353	If HiiHandle is not a valid Handle in the default HII database, then ASSERT.\r
e52c5a9f	354	\r
	355	@param HiiHandle The HII package list handle.\r
	356	\r
33b3b832	357	@retval !NULL The supported languages.\r
33b3b832	358	@retval NULL If Supported Languages can not be retrived.\r
e52c5a9f	359	\r
	360	**/\r
	361	CHAR8 *\r
	362	EFIAPI\r
	363	HiiLibGetSupportedLanguages (\r
	364	IN EFI_HII_HANDLE HiiHandle\r
	365	)\r
	366	;\r
	367	\r
33b3b832	368	/**\r
	369	This function returns the list of supported 2nd languages, in the format specified\r
	370	in UEFI specification Appendix M.\r
	371	\r
	372	If HiiHandle is not a valid Handle in the default HII database, then ASSERT.\r
	373	If not enough resource to complete the operation, then ASSERT.\r
	374	\r
	375	@param HiiHandle The HII package list handle.\r
01aef47b	376	@param FirstLanguage Pointer to language name buffer.\r
01aef47b	377	\r
33b3b832	378	@return The supported languages.\r
	379	\r
	380	**/\r
	381	CHAR8 *\r
	382	EFIAPI\r
	383	HiiLibGetSupportedSecondaryLanguages (\r
	384	IN EFI_HII_HANDLE HiiHandle,\r
	385	IN CONST CHAR8 *FirstLanguage\r
	386	)\r
	387	;\r
	388	\r
	389	\r
e52c5a9f	390	/**\r
	391	This function returns the number of supported languages on HiiHandle.\r
	392	\r
	393	If HiiHandle is not a valid Handle in the default HII database, then ASSERT.\r
	394	If not enough resource to complete the operation, then ASSERT.\r
	395	\r
	396	@param HiiHandle The HII package list handle.\r
	397	\r
	398	@return The number of supported languages.\r
	399	\r
	400	**/\r
	401	UINT16\r
	402	EFIAPI\r
	403	HiiLibGetSupportedLanguageNumber (\r
	404	IN EFI_HII_HANDLE HiiHandle\r
	405	)\r
	406	;\r
	407	\r
	408	/**\r
	409	Convert language code from RFC3066 to ISO639-2.\r
	410	\r
6fd5fbe3	411	LanguageRfc3066 contain a single RFC 3066 code such as\r
	412	"en-US" or "fr-FR".\r
	413	\r
	414	The LanguageRfc3066 must be a buffer large enough\r
	415	for ISO_639_2_ENTRY_SIZE characters.\r
	416	\r
e52c5a9f	417	If LanguageRfc3066 is NULL, then ASSERT.\r
	418	If LanguageIso639 is NULL, then ASSERT.\r
	419	\r
	420	@param LanguageRfc3066 RFC3066 language code.\r
	421	@param LanguageIso639 ISO639-2 language code.\r
	422	\r
	423	@retval EFI_SUCCESS Language code converted.\r
	424	@retval EFI_NOT_FOUND Language code not found.\r
	425	\r
	426	**/\r
	427	EFI_STATUS\r
	428	EFIAPI\r
	429	ConvertRfc3066LanguageToIso639Language (\r
6fd5fbe3	430	IN CHAR8 *LanguageRfc3066,\r
	431	OUT CHAR8 *LanguageIso639\r
	432	)\r
	433	;\r
	434	\r
	435	/**\r
	436	Convert language code from ISO639-2 to RFC3066.\r
	437	\r
	438	LanguageIso639 contain a single ISO639-2 code such as\r
	439	"eng" or "fra".\r
	440	\r
	441	The LanguageRfc3066 must be a buffer large enough\r
	442	for RFC_3066_ENTRY_SIZE characters.\r
	443	\r
	444	If LanguageIso639 is NULL, then ASSERT.\r
	445	If LanguageRfc3066 is NULL, then ASSERT.\r
	446	\r
	447	@param LanguageIso639 ISO639-2 language code.\r
	448	@param LanguageRfc3066 RFC3066 language code.\r
	449	\r
	450	@retval EFI_SUCCESS Language code converted.\r
	451	@retval EFI_NOT_FOUND Language code not found.\r
	452	\r
	453	**/\r
	454	EFI_STATUS\r
	455	EFIAPI\r
	456	ConvertIso639LanguageToRfc3066Language (\r
	457	IN CONST CHAR8 *LanguageIso639,\r
	458	OUT CHAR8 *LanguageRfc3066\r
e52c5a9f	459	)\r
	460	;\r
	461	\r
	462	/**\r
	463	Convert language code list from RFC3066 to ISO639-2, e.g. "en-US;fr-FR" will\r
	464	be converted to "engfra".\r
	465	\r
	466	If SupportedLanguages is NULL, then ASSERT.\r
	467	\r
	468	@param SupportedLanguages The RFC3066 language list.\r
	469	\r
	470	@return The ISO639-2 language list.\r
	471	\r
	472	**/\r
	473	CHAR8 *\r
	474	EFIAPI\r
	475	Rfc3066ToIso639 (\r
	476	CHAR8 *SupportedLanguages\r
	477	)\r
7d582d6b	478	;\r
fb3df220	479	\r
fb3df220	480	#endif\r