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239 lines
11 KiB
C
239 lines
11 KiB
C
/** @file
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The file provides services to manipulate string data.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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This Protocol was introduced in UEFI Specification 2.1.
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**/
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#ifndef __HII_STRING_H__
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#define __HII_STRING_H__
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#include <Protocol/HiiFont.h>
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#define EFI_HII_STRING_PROTOCOL_GUID \
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{ 0xfd96974, 0x23aa, 0x4cdc, { 0xb9, 0xcb, 0x98, 0xd1, 0x77, 0x50, 0x32, 0x2a } }
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typedef struct _EFI_HII_STRING_PROTOCOL EFI_HII_STRING_PROTOCOL;
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/**
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This function adds the string String to the group of strings owned by PackageList, with the
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specified font information StringFontInfo, and returns a new string id.
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The new string identifier is guaranteed to be unique within the package list.
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That new string identifier is reserved for all languages in the package list.
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@param This A pointer to the EFI_HII_STRING_PROTOCOL instance.
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@param PackageList The handle of the package list where this string will
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be added.
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@param StringId On return, contains the new strings id, which is
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unique within PackageList.
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@param Language Points to the language for the new string.
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@param LanguageName Points to the printable language name to associate
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with the passed in Language field.If LanguageName
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is not NULL and the string package header's
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LanguageName associated with a given Language is
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not zero, the LanguageName being passed in will
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be ignored.
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@param String Points to the new null-terminated string.
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@param StringFontInfo Points to the new string's font information or
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NULL if the string should have the default system
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font, size and style.
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@retval EFI_SUCCESS The new string was added successfully.
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@retval EFI_NOT_FOUND The specified PackageList could not be found in
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database.
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@retval EFI_OUT_OF_RESOURCES Could not add the string due to lack of resources.
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@retval EFI_INVALID_PARAMETER String is NULL, or StringId is NULL, or Language is NULL.
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@retval EFI_INVALID_PARAMETER The specified StringFontInfo does not exist in
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current database.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_NEW_STRING)(
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IN CONST EFI_HII_STRING_PROTOCOL *This,
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IN EFI_HII_HANDLE PackageList,
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OUT EFI_STRING_ID *StringId,
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IN CONST CHAR8 *Language,
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IN CONST CHAR16 *LanguageName, OPTIONAL
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IN CONST EFI_STRING String,
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IN CONST EFI_FONT_INFO *StringFontInfo OPTIONAL
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);
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/**
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This function retrieves the string specified by StringId which is associated
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with the specified PackageList in the language Language and copies it into
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the buffer specified by String.
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@param This A pointer to the EFI_HII_STRING_PROTOCOL instance.
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@param Language Points to the language for the retrieved string.
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@param PackageList The package list in the HII database to search for
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the specified string.
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@param StringId The string's id, which is unique within
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PackageList.
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@param String Points to the new null-terminated string.
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@param StringSize On entry, points to the size of the buffer pointed
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to by String, in bytes. On return, points to the
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length of the string, in bytes.
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@param StringFontInfo If not NULL, points to the string's font
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information. It's caller's responsibility to free
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this buffer.
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@retval EFI_SUCCESS The string was returned successfully.
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@retval EFI_NOT_FOUND The string specified by StringId is not available.
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The specified PackageList is not in the database.
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@retval EFI_INVALID_LANGUAGE The string specified by StringId is available but
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not in the specified language.
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@retval EFI_BUFFER_TOO_SMALL The buffer specified by StringSize is too small to
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hold the string.
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@retval EFI_INVALID_PARAMETER The Language or StringSize was NULL.
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@retval EFI_INVALID_PARAMETER The value referenced by StringSize was not zero and
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String was NULL.
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@retval EFI_OUT_OF_RESOURCES There were insufficient resources to complete the
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request.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_GET_STRING)(
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IN CONST EFI_HII_STRING_PROTOCOL *This,
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IN CONST CHAR8 *Language,
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IN EFI_HII_HANDLE PackageList,
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IN EFI_STRING_ID StringId,
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OUT EFI_STRING String,
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IN OUT UINTN *StringSize,
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OUT EFI_FONT_INFO **StringFontInfo OPTIONAL
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);
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/**
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This function updates the string specified by StringId in the specified PackageList to the text
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specified by String and, optionally, the font information specified by StringFontInfo.
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@param This A pointer to the EFI_HII_STRING_PROTOCOL instance.
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@param PackageList The package list containing the strings.
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@param StringId The string's id, which is unique within
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PackageList.
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@param Language Points to the language for the updated string.
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@param String Points to the new null-terminated string.
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@param StringFontInfo Points to the string's font information or NULL if
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the string font information is not changed.
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@retval EFI_SUCCESS The string was updated successfully.
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@retval EFI_NOT_FOUND The string specified by StringId is not in the
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database.
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@retval EFI_INVALID_PARAMETER The String or Language was NULL.
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@retval EFI_INVALID_PARAMETER The specified StringFontInfo does not exist in
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current database.
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@retval EFI_OUT_OF_RESOURCES The system is out of resources to accomplish the
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task.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_SET_STRING)(
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IN CONST EFI_HII_STRING_PROTOCOL *This,
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IN EFI_HII_HANDLE PackageList,
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IN EFI_STRING_ID StringId,
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IN CONST CHAR8 *Language,
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IN EFI_STRING String,
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IN CONST EFI_FONT_INFO *StringFontInfo OPTIONAL
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);
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/**
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This function returns the list of supported languages.
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@param This A pointer to the EFI_HII_STRING_PROTOCOL instance.
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@param PackageList The package list to examine.
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@param Languages Points to the buffer to hold the returned
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null-terminated ASCII string.
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@param LanguagesSize On entry, points to the size of the buffer pointed
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to by Languages, in bytes. On return, points to
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the length of Languages, in bytes.
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@retval EFI_SUCCESS The languages were returned successfully.
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@retval EFI_INVALID_PARAMETER The LanguagesSize was NULL.
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@retval EFI_INVALID_PARAMETER The value referenced by LanguagesSize is not zero
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and Languages is NULL.
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@retval EFI_BUFFER_TOO_SMALL The LanguagesSize is too small to hold the list of
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supported languages. LanguageSize is updated to
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contain the required size.
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@retval EFI_NOT_FOUND Could not find string package in specified
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packagelist.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_GET_LANGUAGES)(
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IN CONST EFI_HII_STRING_PROTOCOL *This,
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IN EFI_HII_HANDLE PackageList,
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IN OUT CHAR8 *Languages,
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IN OUT UINTN *LanguagesSize
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);
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/**
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Each string package has associated with it a single primary language and zero
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or more secondary languages. This routine returns the secondary languages
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associated with a package list.
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@param This A pointer to the EFI_HII_STRING_PROTOCOL instance.
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@param PackageList The package list to examine.
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@param PrimaryLanguage Points to the null-terminated ASCII string that specifies
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the primary language. Languages are specified in the
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format specified in Appendix M of the UEFI 2.0 specification.
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@param SecondaryLanguages Points to the buffer to hold the returned null-terminated
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ASCII string that describes the list of
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secondary languages for the specified
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PrimaryLanguage. If there are no secondary
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languages, the function returns successfully, but
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this is set to NULL.
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@param SecondaryLanguagesSize On entry, points to the size of the buffer pointed
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to by SecondaryLanguages, in bytes. On return,
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points to the length of SecondaryLanguages in bytes.
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@retval EFI_SUCCESS Secondary languages were correctly returned.
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@retval EFI_INVALID_PARAMETER PrimaryLanguage or SecondaryLanguagesSize was NULL.
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@retval EFI_INVALID_PARAMETER The value referenced by SecondaryLanguagesSize is not
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zero and SecondaryLanguages is NULL.
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@retval EFI_BUFFER_TOO_SMALL The buffer specified by SecondaryLanguagesSize is
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too small to hold the returned information.
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SecondaryLanguageSize is updated to hold the size of
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the buffer required.
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@retval EFI_INVALID_LANGUAGE The language specified by PrimaryLanguage is not
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present in the specified package list.
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@retval EFI_NOT_FOUND The specified PackageList is not in the Database.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_GET_2ND_LANGUAGES)(
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IN CONST EFI_HII_STRING_PROTOCOL *This,
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IN EFI_HII_HANDLE PackageList,
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IN CONST CHAR8 *PrimaryLanguage,
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IN OUT CHAR8 *SecondaryLanguages,
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IN OUT UINTN *SecondaryLanguagesSize
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);
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///
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/// Services to manipulate the string.
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///
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struct _EFI_HII_STRING_PROTOCOL {
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EFI_HII_NEW_STRING NewString;
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EFI_HII_GET_STRING GetString;
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EFI_HII_SET_STRING SetString;
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EFI_HII_GET_LANGUAGES GetLanguages;
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EFI_HII_GET_2ND_LANGUAGES GetSecondaryLanguages;
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};
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extern EFI_GUID gEfiHiiStringProtocolGuid;
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#endif
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