mirror of https://github.com/acidanthera/audk.git
494 lines
18 KiB
C
494 lines
18 KiB
C
/**@file
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This file implements the protocol functions related to string package.
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "HiiDatabase.h"
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typedef struct {
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CHAR8 *Iso639;
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CHAR8 *Rfc3066;
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} ISO639TORFC3066MAP;
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ISO639TORFC3066MAP Iso639ToRfc3066Map [] = {
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{"eng", "en-US"},
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{"fra", "fr-FR"},
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};
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CHAR8 *
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ConvertIso639ToRfc3066 (
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CHAR8 *Iso638Lang
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)
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{
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UINTN Index;
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CHAR8 AsciiLanguage[ISO_639_2_ENTRY_SIZE + 1];
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AsciiStrnCpy (AsciiLanguage, Iso638Lang, sizeof (AsciiLanguage));
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for (Index = 0; Index < ISO_639_2_ENTRY_SIZE + 1; Index ++) {
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if (AsciiLanguage [Index] == 0) {
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break;
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} else if (AsciiLanguage [Index] >= 'A' && AsciiLanguage [Index] <= 'Z') {
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AsciiLanguage [Index] = (CHAR8) (AsciiLanguage [Index] - 'A' + 'a');
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}
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}
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for (Index = 0; Index < sizeof (Iso639ToRfc3066Map) / sizeof (Iso639ToRfc3066Map[0]); Index++) {
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if (AsciiStrnCmp (AsciiLanguage, Iso639ToRfc3066Map[Index].Iso639, AsciiStrSize (AsciiLanguage)) == 0) {
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return Iso639ToRfc3066Map[Index].Rfc3066;
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}
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}
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return (CHAR8 *) NULL;
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}
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/**
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Test if all of the characters in a string have corresponding font characters.
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This is a deprecated API. No Framework HII module is calling it. This function will ASSERT and
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return EFI_UNSUPPORTED.
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@param This A pointer to the EFI_HII_PROTOCOL instance.
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@param StringToTest A pointer to a Unicode string.
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@param FirstMissing A pointer to an index into the string. On input, the index of
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the first character in the StringToTest to examine. On exit, the index
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of the first character encountered for which a glyph is unavailable.
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If all glyphs in the string are available, the index is the index of the terminator
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of the string.
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@param GlyphBufferSize A pointer to a value. On output, if the function returns EFI_SUCCESS,
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it contains the amount of memory that is required to store the string<6E><67>s glyph equivalent.
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@retval EFI_UNSUPPORTED The function performs nothing and return EFI_UNSUPPORTED.
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**/
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EFI_STATUS
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EFIAPI
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HiiTestString (
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IN EFI_HII_PROTOCOL *This,
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IN CHAR16 *StringToTest,
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IN OUT UINT32 *FirstMissing,
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OUT UINT32 *GlyphBufferSize
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)
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{
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ASSERT (FALSE);
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return EFI_UNSUPPORTED;
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}
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/**
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Find the corressponding TAG GUID from a Framework HII Handle given.
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@param Private The HII Thunk Module Private context.
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@param FwHiiHandle The Framemwork HII Handle.
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@param TagGuid The output of TAG GUID found.
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@return NULL If Framework HII Handle is invalid.
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@return The corresponding HII Thunk Context.
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**/
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EFI_STATUS
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GetTagGuidByFwHiiHandle (
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IN CONST HII_THUNK_PRIVATE_DATA *Private,
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IN FRAMEWORK_EFI_HII_HANDLE FwHiiHandle,
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OUT EFI_GUID *TagGuid
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)
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{
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LIST_ENTRY *Link;
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HII_THUNK_CONTEXT *ThunkContext;
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ASSERT (TagGuid != NULL);
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Link = GetFirstNode (&Private->ThunkContextListHead);
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while (!IsNull (&Private->ThunkContextListHead, Link)) {
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ThunkContext = HII_THUNK_CONTEXT_FROM_LINK (Link);
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if (FwHiiHandle == ThunkContext->FwHiiHandle) {
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CopyGuid (TagGuid, &ThunkContext->TagGuid);
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return EFI_SUCCESS;
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}
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Link = GetNextNode (&Private->ThunkContextListHead, Link);
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}
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return EFI_NOT_FOUND;
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}
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/**
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Create or update the String given a new string and String ID.
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@param ThunkContext The Thunk Context.
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@param Rfc3066AsciiLanguage The RFC 3066 Language code in ASCII string format.
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@param NewString The new string.
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@param StringId The String ID. If StringId is 0, a new String Token
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is created. Otherwise, the String Token StringId is
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updated.
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@retval EFI_SUCCESS The new string is created or updated successfully.
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The new String Token ID is returned in StringId if
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*StringId is 0 on input.
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@return Others The update of string failed.
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**/
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EFI_STATUS
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UpdateString (
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IN CONST HII_THUNK_CONTEXT *ThunkContext,
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IN CONST CHAR8 *Rfc3066AsciiLanguage,
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IN CHAR16 *NewString,
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IN OUT STRING_REF *StringId
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)
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{
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EFI_STRING_ID NewStringId;
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EFI_STATUS Status;
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NewStringId = 0;
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if (*StringId == 0) {
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//
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// Create a new string token.
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//
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if (Rfc3066AsciiLanguage == NULL) {
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//
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// For all languages in the package list.
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//
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Status = HiiLibNewString (ThunkContext->UefiHiiHandle, &NewStringId, NewString);
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} else {
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//
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// For specified language.
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//
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Status = mHiiStringProtocol->NewString (
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mHiiStringProtocol,
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ThunkContext->UefiHiiHandle,
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&NewStringId,
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Rfc3066AsciiLanguage,
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NULL,
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NewString,
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NULL
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);
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}
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} else {
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//
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// Update the existing string token.
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//
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if (Rfc3066AsciiLanguage == NULL) {
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//
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// For all languages in the package list.
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//
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Status = HiiLibSetString (ThunkContext->UefiHiiHandle, *StringId, NewString);
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} else {
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//
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// For specified language.
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//
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Status = mHiiStringProtocol->SetString (
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mHiiStringProtocol,
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ThunkContext->UefiHiiHandle,
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*StringId,
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Rfc3066AsciiLanguage,
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NewString,
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NULL
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);
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}
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}
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if (!EFI_ERROR (Status)) {
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if (*StringId == 0) {
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//
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// When creating new string, return the newly created String Token.
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//
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*StringId = NewStringId;
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}
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} else {
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//
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// Only EFI_INVALID_PARAMETER is defined in HII 0.92 specification.
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//
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*StringId = 0;
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}
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return Status;
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}
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/**
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Create or update a String Token in a String Package.
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If *Reference == 0, a new String Token is created.
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@param This A pointer to the EFI_HII_PROTOCOL instance.
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@param Language Pointer to a NULL-terminated string containing a single ISO 639-2 language
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identifier, indicating the language to print. A string consisting of
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all spaces indicates that the string is applicable to all languages.
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@param Handle The handle of the language pack to which the string is to be added.
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@param Token The string token assigned to the string.
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@param NewString The string to be added.
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@retval EFI_SUCCESS The string was effectively registered.
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@retval EFI_INVALID_PARAMETER The Handle was unknown. The string is not created or updated in the
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the string package.
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**/
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EFI_STATUS
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EFIAPI
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HiiNewString (
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IN EFI_HII_PROTOCOL *This,
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IN CHAR16 *Language,
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IN FRAMEWORK_EFI_HII_HANDLE Handle,
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IN OUT STRING_REF *Reference,
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IN CHAR16 *NewString
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)
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{
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EFI_STATUS Status;
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HII_THUNK_PRIVATE_DATA *Private;
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EFI_GUID TagGuid;
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LIST_ENTRY *Link;
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HII_THUNK_CONTEXT *ThunkContext;
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HII_THUNK_CONTEXT *StringPackThunkContext;
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EFI_STRING_ID StringId;
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EFI_STRING_ID LastStringId;
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CHAR8 AsciiLanguage[ISO_639_2_ENTRY_SIZE + 1];
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CHAR16 LanguageCopy[ISO_639_2_ENTRY_SIZE + 1];
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CHAR8 *Rfc3066AsciiLanguage;
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LastStringId = (EFI_STRING_ID) 0;
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StringId = (EFI_STRING_ID) 0;
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Rfc3066AsciiLanguage = NULL;
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if (Language != NULL) {
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ZeroMem (AsciiLanguage, sizeof (AsciiLanguage));;
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ZeroMem (LanguageCopy, sizeof (LanguageCopy));
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CopyMem (LanguageCopy, Language, ISO_639_2_ENTRY_SIZE * sizeof (CHAR16));
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UnicodeStrToAsciiStr (LanguageCopy, AsciiLanguage);
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Rfc3066AsciiLanguage = ConvertIso639ToRfc3066 (AsciiLanguage);
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ASSERT (Rfc3066AsciiLanguage != NULL);
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}
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Private = HII_THUNK_PRIVATE_DATA_FROM_THIS(This);
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StringPackThunkContext = FwHiiHandleToThunkContext (Private, Handle);
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if (StringPackThunkContext == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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if (StringPackThunkContext->SharingStringPack) {
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Status = GetTagGuidByFwHiiHandle (Private, Handle, &TagGuid);
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ASSERT_EFI_ERROR (Status);
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Link = GetFirstNode (&Private->ThunkContextListHead);
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while (!IsNull (&Private->ThunkContextListHead, Link)) {
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ThunkContext = HII_THUNK_CONTEXT_FROM_LINK (Link);
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if (CompareGuid (&TagGuid, &ThunkContext->TagGuid)) {
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if (ThunkContext->SharingStringPack) {
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StringId = *Reference;
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Status = UpdateString (ThunkContext, Rfc3066AsciiLanguage, NewString, &StringId);
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if (EFI_ERROR (Status)) {
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break;
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}
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DEBUG_CODE_BEGIN ();
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if (*Reference == 0) {
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//
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// When creating new string token, make sure all created token is the same
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// for all string packages registered using FW HII interface.
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//
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if (LastStringId == (EFI_STRING_ID) 0) {
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LastStringId = StringId;
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} else {
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if (LastStringId != StringId) {
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ASSERT(FALSE);
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}
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}
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}
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DEBUG_CODE_END ();
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}
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}
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Link = GetNextNode (&Private->ThunkContextListHead, Link);
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}
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} else {
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StringId = *Reference;
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Status = UpdateString (StringPackThunkContext, Rfc3066AsciiLanguage, NewString, &StringId);
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}
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if (!EFI_ERROR (Status)) {
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if (*Reference == 0) {
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*Reference = StringId;
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}
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} else {
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//
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// Only EFI_INVALID_PARAMETER is defined in HII 0.92 specification.
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//
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Status = EFI_INVALID_PARAMETER;
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}
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return Status;
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}
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/**
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This function removes any new strings that were added after the initial string export for this handle.
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UEFI HII String Protocol does not have Reset String function. This function perform nothing.
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@param This A pointer to the EFI_HII_PROTOCOL instance.
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@param Handle The HII handle on which the string resides.
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@retval EFI_SUCCESS This function is a NOP and always return EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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HiiResetStrings (
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IN EFI_HII_PROTOCOL *This,
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IN FRAMEWORK_EFI_HII_HANDLE Handle
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)
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{
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return EFI_SUCCESS;
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}
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/**
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This function extracts a string from a package already registered with the EFI HII database.
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@param This A pointer to the EFI_HII_PROTOCOL instance.
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@param Handle The HII handle on which the string resides.
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@param Token The string token assigned to the string.
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@param Raw If TRUE, the string is returned unedited in the internal storage format described
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above. If false, the string returned is edited by replacing <cr> with <space>
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and by removing special characters such as the <wide> prefix.
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@param LanguageString Pointer to a NULL-terminated string containing a single ISO 639-2 language
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identifier, indicating the language to print. If the LanguageString is empty (starts
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with a NULL), the default system language will be used to determine the language.
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@param BufferLength Length of the StringBuffer. If the status reports that the buffer width is too
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small, this parameter is filled with the length of the buffer needed.
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@param StringBuffer The buffer designed to receive the characters in the string. Type EFI_STRING is
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defined in String.
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@retval EFI_INVALID_PARAMETER If input parameter is invalid.
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@retval EFI_BUFFER_TOO_SMALL If the *BufferLength is too small.
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@retval EFI_SUCCESS Operation is successful.
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**/
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EFI_STATUS
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EFIAPI
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HiiGetString (
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IN EFI_HII_PROTOCOL *This,
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IN FRAMEWORK_EFI_HII_HANDLE Handle,
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IN STRING_REF Token,
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IN BOOLEAN Raw,
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IN CHAR16 *LanguageString,
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IN OUT UINTN *BufferLengthTemp,
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OUT EFI_STRING StringBuffer
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)
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{
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CHAR8 *Iso639AsciiLanguage;
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HII_THUNK_PRIVATE_DATA *Private;
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CHAR8 *Rfc3066AsciiLanguage;
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EFI_HII_HANDLE UefiHiiHandle;
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EFI_STATUS Status;
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Private = HII_THUNK_PRIVATE_DATA_FROM_THIS(This);
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Iso639AsciiLanguage = NULL;
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Rfc3066AsciiLanguage = NULL;
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if (LanguageString != NULL) {
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Iso639AsciiLanguage = AllocateZeroPool (StrLen (LanguageString) + 1);
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if (Iso639AsciiLanguage == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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UnicodeStrToAsciiStr (LanguageString, Iso639AsciiLanguage);
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//
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// Caller of Framework HII Interface uses the Language Identification String defined
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// in Iso639. So map it to the Language Identifier defined in RFC3066.
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//
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Rfc3066AsciiLanguage = ConvertIso639ToRfc3066 (Iso639AsciiLanguage);
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//
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// If Rfc3066AsciiLanguage is NULL, more language mapping must be added to
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// Iso639ToRfc3066Map.
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//
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ASSERT (Rfc3066AsciiLanguage != NULL);
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}
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UefiHiiHandle = FwHiiHandleToUefiHiiHandle (Private, Handle);
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if (UefiHiiHandle == NULL) {
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Status = EFI_NOT_FOUND;
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goto Done;
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}
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if (Rfc3066AsciiLanguage == NULL) {
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Status = HiiLibGetString (UefiHiiHandle, Token, StringBuffer, BufferLengthTemp);
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} else {
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Status = mHiiStringProtocol->GetString (
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mHiiStringProtocol,
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Rfc3066AsciiLanguage,
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UefiHiiHandle,
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Token,
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StringBuffer,
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BufferLengthTemp,
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NULL
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);
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}
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Done:
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if (Iso639AsciiLanguage != NULL) {
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FreePool (Iso639AsciiLanguage);
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}
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return Status;
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}
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/**
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This function allows a program to extract a part of a string of not more than a given width.
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With repeated calls, this allows a calling program to extract "lines" of text that fit inside
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columns. The effort of measuring the fit of strings inside columns is localized to this call.
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This is a deprecated API. No Framework HII module is calling it. This function will ASSERT and
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return EFI_UNSUPPORTED.
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@param This A pointer to the EFI_HII_PROTOCOL instance.
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@param Handle The HII handle on which the string resides.
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@param Token The string token assigned to the string.
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@param Raw If TRUE, the string is returned unedited in the internal storage format described
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above. If false, the string returned is edited by replacing <cr> with <space>
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and by removing special characters such as the <wide> prefix.
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@param LanguageString Pointer to a NULL-terminated string containing a single ISO 639-2 language
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identifier, indicating the language to print. If the LanguageString is empty (starts
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with a NULL), the default system language will be used to determine the language.
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@param BufferLength Length of the StringBuffer. If the status reports that the buffer width is too
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small, this parameter is filled with the length of the buffer needed.
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@param StringBuffer The buffer designed to receive the characters in the string. Type EFI_STRING is
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defined in String.
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@retval EFI_UNSUPPORTED.
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**/
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EFI_STATUS
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EFIAPI
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HiiGetLine (
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IN EFI_HII_PROTOCOL *This,
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IN FRAMEWORK_EFI_HII_HANDLE Handle,
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IN STRING_REF Token,
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IN OUT UINT16 *Index,
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IN UINT16 LineWidth,
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IN CHAR16 *LanguageString,
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IN OUT UINT16 *BufferLength,
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OUT EFI_STRING StringBuffer
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)
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{
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ASSERT (FALSE);
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return EFI_UNSUPPORTED;
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}
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