audk/MdePkg/Include/Library/HiiLib.h

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/** @file
Public include file for the HII Library
Copyright (c) 2007 - 2008, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __HII_LIB_H__
#define __HII_LIB_H__
//
// Limited buffer size recommended by RFC4646 (4.3. Length Considerations)
// (42 characters plus a NULL terminator)
//
#define RFC_3066_ENTRY_SIZE (42 + 1)
#define ISO_639_2_ENTRY_SIZE 3
/**
Assemble EFI_HII_PACKAGE_LIST according to the passed in packages.
If GuidId is NULL, then ASSERT.
If not enough resource to complete the operation, then ASSERT.
@param NumberOfPackages Number of packages.
@param GuidId Package GUID.
@param ... Variable argument list for packages to be assembled.
@return EFI_HII_PACKAGE_LIST_HEADER Pointer of EFI_HII_PACKAGE_LIST_HEADER. The function will ASSERT if system has
not enough resource to complete the operation.
**/
EFI_HII_PACKAGE_LIST_HEADER *
EFIAPI
HiiLibPreparePackageList (
IN UINTN NumberOfPackages,
IN CONST EFI_GUID *GuidId,
...
)
;
/**
This function allocates pool for an EFI_HII_PACKAGE_LIST structure
with additional space that is big enough to host all packages described by the variable
argument list of package pointers. The allocated structure is initialized using NumberOfPackages,
GuidId, and the variable length argument list of package pointers.
Then, EFI_HII_PACKAGE_LIST will be register to the default System HII Database. The
Handle to the newly registered Package List is returned throught HiiHandle.
If HiiHandle is NULL, then ASSERT.
@param NumberOfPackages The number of HII packages to register.
@param GuidId Package List GUID ID.
@param EFI_HANDLE Optional. If not NULL, the DriverHandle on which an instance of DEVICE_PATH_PROTOCOL is installed.
This DriverHandle uniquely defines the device that the added packages are associated with.
@param HiiHandle On output, the HiiHandle is update with the handle which can be used to retrieve the Package
List later. If the functions failed to add the package to the default HII database, this value will
be set to NULL.
@param ... The variable argument list describing all HII Package.
@return EFI_SUCCESS If the packages are successfully added to the default HII database.
@return EFI_OUT_OF_RESOURCE Not enough resource to complete the operation.
**/
EFI_STATUS
EFIAPI
HiiLibAddPackages (
IN UINTN NumberOfPackages,
IN CONST EFI_GUID *GuidId,
IN EFI_HANDLE DriverHandle, OPTIONAL
OUT EFI_HII_HANDLE *HiiHandle,
...
)
;
EFI_STATUS
EFIAPI
HiiLibAddFontPackageToHiiDatabase (
IN UINTN FontSize,
IN CONST UINT8 *FontBinary,
IN CONST EFI_GUID *GuidId,
OUT EFI_HII_HANDLE *HiiHandle OPTIONAL
)
;
/**
Removes a package list from the default HII database.
If HiiHandle is NULL, then ASSERT.
If HiiHandle is not a valid EFI_HII_HANDLE in the default HII database, then ASSERT.
@param HiiHandle The handle that was previously registered to the data base that is requested for removal.
List later.
@return VOID
**/
VOID
EFIAPI
HiiLibRemovePackages (
IN EFI_HII_HANDLE HiiHandle
)
;
/**
This function adds the string into String Package of each language
supported by the package list.
If String is NULL, then ASSERT.
If StringId is NULL, the ASSERT.
If PackageList could not be found in the default HII database, then ASSERT.
@param PackageList Handle of the package list where this string will
be added.
@param StringId On return, contains the new strings id, which is
unique within PackageList.
@param String Points to the new null-terminated string.
@retval EFI_SUCCESS The new string was added successfully.
@retval EFI_OUT_OF_RESOURCES Could not add the string due to lack of resources.
**/
EFI_STATUS
EFIAPI
HiiLibNewString (
IN EFI_HII_HANDLE PackageList,
OUT EFI_STRING_ID *StringId,
IN CONST EFI_STRING String
)
;
/**
This function update the specified string in String Package of each language
supported by the package list.
If String is NULL, then ASSERT.
If PackageList could not be found in the default HII database, then ASSERT.
If StringId is not found in PackageList, then ASSERT.
@param PackageList Handle of the package list where this string will
be added.
@param StringId Ths String Id to be updated.
@param String Points to the new null-terminated string.
@retval EFI_SUCCESS The new string was added successfully.
@retval EFI_OUT_OF_RESOURCES Could not add the string due to lack of resources.
**/
EFI_STATUS
EFIAPI
HiiLibSetString (
IN EFI_HII_HANDLE PackageList,
IN EFI_STRING_ID StringId,
IN CONST EFI_STRING String
)
;
/**
This function try to retrieve string from String package of current language.
If fails, it try to retrieve string from String package of first language it support.
If String is NULL, then ASSERT.
If StringSize is NULL, then ASSERT.
If PackageList could not be found in the default HII database, then ASSERT.
If StringId is not found in PackageList, then ASSERT.
@param PackageList The package list in the HII database to search for
the specified string.
@param StringId The string's id, which is unique within
PackageList.
@param String Points to the new null-terminated string.
@param StringSize On entry, points to the size of the buffer pointed
to by String, in bytes. On return, points to the
length of the string, in bytes.
@retval EFI_SUCCESS The string was returned successfully.
@retval EFI_NOT_FOUND The string specified by StringId is not available.
@retval EFI_BUFFER_TOO_SMALL The buffer specified by StringLength is too small
to hold the string.
@retval EFI_INVALID_PARAMETER The String or StringSize was NULL.
**/
EFI_STATUS
EFIAPI
HiiLibGetString (
IN EFI_HII_HANDLE PackageList,
IN EFI_STRING_ID StringId,
OUT EFI_STRING String,
IN OUT UINTN *StringSize
)
;
/**
Get string specified by StringId form the HiiHandle. The caller
is responsible to free the *String.
If String is NULL, then ASSERT.
If HiiHandle could not be found in the default HII database, then ASSERT.
If StringId is not found in PackageList, then ASSERT.
@param HiiHandle The HII handle of package list.
@param StringId The String ID.
@param String The output string.
@retval EFI_NOT_FOUND String is not found.
@retval EFI_SUCCESS Operation is successful.
@retval EFI_OUT_OF_RESOURCES There is not enought memory in the system.
@retval EFI_INVALID_PARAMETER The String is NULL.
**/
EFI_STATUS
EFIAPI
HiiLibGetStringFromHandle (
IN EFI_HII_HANDLE HiiHandle,
IN EFI_STRING_ID StringId,
OUT EFI_STRING *String
)
;
/**
Get the string given the StringId and String package Producer's Guid. The caller
is responsible to free the *String.
If PackageList with the matching ProducerGuid is not found, then ASSERT.
If PackageList with the matching ProducerGuid is found but no String is
specified by StringId is found, then ASSERT.
@param ProducerGuid The Guid of String package list.
@param StringId The String ID.
@param String The output string.
@retval EFI_SUCCESS Operation is successful.
@retval EFI_OUT_OF_RESOURCES There is not enought memory in the system.
**/
EFI_STATUS
EFIAPI
HiiLibGetStringFromToken (
IN EFI_GUID *ProducerGuid,
IN EFI_STRING_ID StringId,
OUT EFI_STRING *String
)
;
/**
Determines the handles that are currently active in the database.
It's the caller's responsibility to free handle buffer.
If HandleBufferLength is NULL, then ASSERT.
If HiiHandleBuffer is NULL, then ASSERT.
@param HiiDatabase A pointer to the EFI_HII_DATABASE_PROTOCOL
instance.
@param HandleBufferLength On input, a pointer to the length of the handle
buffer. On output, the length of the handle buffer
that is required for the handles found.
@param HiiHandleBuffer Pointer to an array of Hii Handles returned.
@retval EFI_SUCCESS Get an array of Hii Handles successfully.
**/
EFI_STATUS
EFIAPI
HiiLibGetHiiHandles (
IN OUT UINTN *HandleBufferLength,
OUT EFI_HII_HANDLE **HiiHandleBuffer
)
;
/**
Extract Hii package list GUID for given HII handle.
If HiiHandle could not be found in the default HII database, then ASSERT.
If Guid is NULL, then ASSERT.
@param HiiHandle Hii handle
@param Guid Package list GUID
@retval EFI_SUCCESS Successfully extract GUID from Hii database.
**/
EFI_STATUS
EFIAPI
HiiLibExtractGuidFromHiiHandle (
IN EFI_HII_HANDLE Handle,
OUT EFI_GUID *Guid
)
;
/**
Find HII Handle in the default HII database associated with given Device Path.
If DevicePath is NULL, then ASSERT.
@param DevicePath Device Path associated with the HII package list
handle.
@retval Handle HII package list Handle associated with the Device
Path.
@retval NULL Hii Package list handle is not found.
**/
EFI_HII_HANDLE
EFIAPI
HiiLibDevicePathToHiiHandle (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
;
/**
Determine what is the current language setting. The space reserved for Lang
must be at least RFC_3066_ENTRY_SIZE bytes;
If Lang is NULL, then ASSERT.
@param Lang Pointer of system language. Lang will always be filled with
a valid RFC 3066 language string. If "PlatformLang" is not
set in the system, the default language specifed by PcdUefiVariableDefaultPlatformLang
is returned.
@return EFI_SUCCESS If the EFI Variable with "PlatformLang" is set and return in Lang.
@return EFI_NOT_FOUND If the EFI Variable with "PlatformLang" is not set, but a valid default language is return in Lang.
**/
EFI_STATUS
EFIAPI
HiiLibGetCurrentLanguage (
OUT CHAR8 *Lang
)
;
/**
Get next language from language code list (with separator ';').
If LangCode is NULL, then ASSERT.
If Lang is NULL, then ASSERT.
@param LangCode On input: point to first language in the list. On
output: point to next language in the list, or
NULL if no more language in the list.
@param Lang The first language in the list.
**/
VOID
EFIAPI
HiiLibGetNextLanguage (
IN OUT CHAR8 **LangCode,
OUT CHAR8 *Lang
)
;
/**
This function returns the list of supported languages, in the format specified
in UEFI specification Appendix M.
If HiiHandle is not a valid Handle in the default HII database, then ASSERT.
If not enough resource to complete the operation, then ASSERT.
@param HiiHandle The HII package list handle.
@return The supported languages.
**/
CHAR8 *
EFIAPI
HiiLibGetSupportedLanguages (
IN EFI_HII_HANDLE HiiHandle
)
;
/**
This function returns the number of supported languages on HiiHandle.
If HiiHandle is not a valid Handle in the default HII database, then ASSERT.
If not enough resource to complete the operation, then ASSERT.
@param HiiHandle The HII package list handle.
@return The number of supported languages.
**/
UINT16
EFIAPI
HiiLibGetSupportedLanguageNumber (
IN EFI_HII_HANDLE HiiHandle
)
;
/**
Convert language code from RFC3066 to ISO639-2.
If LanguageRfc3066 is NULL, then ASSERT.
If LanguageIso639 is NULL, then ASSERT.
@param LanguageRfc3066 RFC3066 language code.
@param LanguageIso639 ISO639-2 language code.
@retval EFI_SUCCESS Language code converted.
@retval EFI_NOT_FOUND Language code not found.
**/
EFI_STATUS
EFIAPI
ConvertRfc3066LanguageToIso639Language (
CHAR8 *LanguageRfc3066,
CHAR8 *LanguageIso639
)
;
/**
Convert language code list from RFC3066 to ISO639-2, e.g. "en-US;fr-FR" will
be converted to "engfra".
If SupportedLanguages is NULL, then ASSERT.
@param SupportedLanguages The RFC3066 language list.
@return The ISO639-2 language list.
**/
CHAR8 *
EFIAPI
Rfc3066ToIso639 (
CHAR8 *SupportedLanguages
)
;
#endif