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/** @file
The file provides services to manipulate string data.
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that 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_STRING_H__
#define __HII_STRING_H__
#include <Protocol/HiiFont.h>
#define EFI_HII_STRING_PROTOCOL_GUID \
{ 0xfd96974, 0x23aa, 0x4cdc, { 0xb9, 0xcb, 0x98, 0xd1, 0x77, 0x50, 0x32, 0x2a } }
typedef struct _EFI_HII_STRING_PROTOCOL EFI_HII_STRING_PROTOCOL;
/**
This function adds the string String to the group of strings owned by PackageList, with the
specified font information StringFontInfo, and returns a new string id.
The new string identifier is guaranteed to be unique within the package list.
That new string identifier is reserved for all languages in the package list.
@param This A pointer to the EFI_HII_STRING_PROTOCOL instance.
@param PackageList The 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 Language Points to the language for the new string.
@param LanguageName Points to the printable language name to associate
with the passed in Language field.If LanguageName
is not NULL and the string package header's
LanguageName associated with a given Language is
not zero, the LanguageName being passed in will
be ignored.
@param String Points to the new null-terminated string.
@param StringFontInfo Points to the new string's font information or
NULL if the string should have the default system
font, size and style.
@retval EFI_SUCCESS The new string was added successfully.
@retval EFI_NOT_FOUND The specified PackageList could not be found in
database.
@retval EFI_OUT_OF_RESOURCES Could not add the string due to lack of resources.
@retval EFI_INVALID_PARAMETER String is NULL, or StringId is NULL, or Language is NULL.
@retval EFI_INVALID_PARAMETER The specified StringFontInfo does not exist in
current database.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_HII_NEW_STRING)(
IN CONST EFI_HII_STRING_PROTOCOL *This,
IN EFI_HII_HANDLE PackageList,
OUT EFI_STRING_ID *StringId,
IN CONST CHAR8 *Language,
IN CONST CHAR16 *LanguageName, OPTIONAL
IN CONST EFI_STRING String,
IN CONST EFI_FONT_INFO *StringFontInfo OPTIONAL
);
/**
This function retrieves the string specified by StringId which is associated
with the specified PackageList in the language Language and copies it into
the buffer specified by String.
@param This A pointer to the EFI_HII_STRING_PROTOCOL instance.
@param Language Points to the language for the retrieved string.
@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.
@param StringFontInfo If not NULL, points to the string's font
information. It's caller's responsibility to free
this buffer.
@retval EFI_SUCCESS The string was returned successfully.
@retval EFI_NOT_FOUND The string specified by StringId is not available.
The specified PackageList is not in the database.
@retval EFI_INVALID_LANGUAGE The string specified by StringId is available but
not in the specified language.
@retval EFI_BUFFER_TOO_SMALL The buffer specified by StringSize is too small to
hold the string.
@retval EFI_INVALID_PARAMETER The Language or StringSize was NULL.
@retval EFI_INVALID_PARAMETER The value referenced by StringSize was not zero and
String was NULL.
@retval EFI_OUT_OF_RESOURCES There were insufficient resources to complete the
request.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_HII_GET_STRING)(
IN CONST EFI_HII_STRING_PROTOCOL *This,
IN CONST CHAR8 *Language,
IN EFI_HII_HANDLE PackageList,
IN EFI_STRING_ID StringId,
OUT EFI_STRING String,
IN OUT UINTN *StringSize,
OUT EFI_FONT_INFO **StringFontInfo OPTIONAL
);
/**
This function updates the string specified by StringId in the specified PackageList to the text
specified by String and, optionally, the font information specified by StringFontInfo.
@param This A pointer to the EFI_HII_STRING_PROTOCOL instance.
@param PackageList The package list containing the strings.
@param StringId The string's id, which is unique within
PackageList.
@param Language Points to the language for the updated string.
@param String Points to the new null-terminated string.
@param StringFontInfo Points to the string's font information or NULL if
the string font information is not changed.
@retval EFI_SUCCESS The string was updated successfully.
@retval EFI_NOT_FOUND The string specified by StringId is not in the
database.
@retval EFI_INVALID_PARAMETER The String or Language was NULL.
@retval EFI_INVALID_PARAMETER The specified StringFontInfo does not exist in
current database.
@retval EFI_OUT_OF_RESOURCES The system is out of resources to accomplish the
task.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_HII_SET_STRING)(
IN CONST EFI_HII_STRING_PROTOCOL *This,
IN EFI_HII_HANDLE PackageList,
IN EFI_STRING_ID StringId,
IN CONST CHAR8 *Language,
IN EFI_STRING String,
IN CONST EFI_FONT_INFO *StringFontInfo OPTIONAL
);
/**
This function returns the list of supported languages.
@param This A pointer to the EFI_HII_STRING_PROTOCOL instance.
@param PackageList The package list to examine.
@param Languages Points to the buffer to hold the returned
null-terminated ASCII string.
@param LanguagesSize On entry, points to the size of the buffer pointed
to by Languages, in bytes. On return, points to
the length of Languages, in bytes.
@retval EFI_SUCCESS The languages were returned successfully.
@retval EFI_INVALID_PARAMETER The LanguagesSize was NULL.
@retval EFI_INVALID_PARAMETER The value referenced by LanguagesSize is not zero
and Languages is NULL.
@retval EFI_BUFFER_TOO_SMALL The LanguagesSize is too small to hold the list of
supported languages. LanguageSize is updated to
contain the required size.
@retval EFI_NOT_FOUND Could not find string package in specified
packagelist.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_HII_GET_LANGUAGES)(
IN CONST EFI_HII_STRING_PROTOCOL *This,
IN EFI_HII_HANDLE PackageList,
IN OUT CHAR8 *Languages,
IN OUT UINTN *LanguagesSize
);
/**
Each string package has associated with it a single primary language and zero
or more secondary languages. This routine returns the secondary languages
associated with a package list.
@param This A pointer to the EFI_HII_STRING_PROTOCOL instance.
@param PackageList The package list to examine.
@param PrimaryLanguage Points to the null-terminated ASCII string that specifies
the primary language. Languages are specified in the
format specified in Appendix M of the UEFI 2.0 specification.
@param SecondaryLanguages Points to the buffer to hold the returned null-terminated
ASCII string that describes the list of
secondary languages for the specified
PrimaryLanguage. If there are no secondary
languages, the function returns successfully, but
this is set to NULL.
@param SecondaryLanguagesSize On entry, points to the size of the buffer pointed
to by SecondaryLanguages, in bytes. On return,
points to the length of SecondaryLanguages in bytes.
@retval EFI_SUCCESS Secondary languages were correctly returned.
@retval EFI_INVALID_PARAMETER PrimaryLanguage or SecondaryLanguagesSize was NULL.
@retval EFI_INVALID_PARAMETER The value referenced by SecondaryLanguagesSize is not
zero and SecondaryLanguages is NULL.
@retval EFI_BUFFER_TOO_SMALL The buffer specified by SecondaryLanguagesSize is
too small to hold the returned information.
SecondaryLanguageSize is updated to hold the size of
the buffer required.
@retval EFI_INVALID_LANGUAGE The language specified by PrimaryLanguage is not
present in the specified package list.
@retval EFI_NOT_FOUND The specified PackageList is not in the Database.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_HII_GET_2ND_LANGUAGES)(
IN CONST EFI_HII_STRING_PROTOCOL *This,
IN EFI_HII_HANDLE PackageList,
IN CONST CHAR8 *PrimaryLanguage,
IN OUT CHAR8 *SecondaryLanguages,
IN OUT UINTN *SecondaryLanguagesSize
);
///
/// Services to manipulate the string.
///
struct _EFI_HII_STRING_PROTOCOL {
EFI_HII_NEW_STRING NewString;
EFI_HII_GET_STRING GetString;
EFI_HII_SET_STRING SetString;
EFI_HII_GET_LANGUAGES GetLanguages;
EFI_HII_GET_2ND_LANGUAGES GetSecondaryLanguages;
};
extern EFI_GUID gEfiHiiStringProtocolGuid;
#endif
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