mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-26 12:05:36 +01:00
350 lines
12 KiB
C
350 lines
12 KiB
C
/** @file
|
|
HII Library implementation that uses DXE protocols and services.
|
|
|
|
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
|
|
#include "InternalHiiLib.h"
|
|
|
|
/**
|
|
This function create a new string in String Package or updates an existing
|
|
string in a String Package. If StringId is 0, then a new string is added to
|
|
a String Package. If StringId is not zero, then a string in String Package is
|
|
updated. If SupportedLanguages is NULL, then the string is added or updated
|
|
for all the languages that the String Package supports. If SupportedLanguages
|
|
is not NULL, then the string is added or updated for the set of languages
|
|
specified by SupportedLanguages.
|
|
|
|
If HiiHandle is NULL, then ASSERT().
|
|
If String is NULL, then ASSERT().
|
|
|
|
@param[in] HiiHandle A handle that was previously registered in the
|
|
HII Database.
|
|
@param[in] StringId If zero, then a new string is created in the
|
|
String Package associated with HiiHandle. If
|
|
non-zero, then the string specified by StringId
|
|
is updated in the String Package associated
|
|
with HiiHandle.
|
|
@param[in] String A pointer to the Null-terminated Unicode string
|
|
to add or update in the String Package associated
|
|
with HiiHandle.
|
|
@param[in] SupportedLanguages A pointer to a Null-terminated ASCII string of
|
|
language codes. If this parameter is NULL, then
|
|
String is added or updated in the String Package
|
|
associated with HiiHandle for all the languages
|
|
that the String Package supports. If this
|
|
parameter is not NULL, then then String is added
|
|
or updated in the String Package associated with
|
|
HiiHandle for the set oflanguages specified by
|
|
SupportedLanguages. The format of
|
|
SupportedLanguages must follow the language
|
|
format assumed the HII Database.
|
|
|
|
@retval 0 The string could not be added or updated in the String Package.
|
|
@retval Other The EFI_STRING_ID of the newly added or updated string.
|
|
|
|
**/
|
|
EFI_STRING_ID
|
|
EFIAPI
|
|
HiiSetString (
|
|
IN EFI_HII_HANDLE HiiHandle,
|
|
IN EFI_STRING_ID StringId, OPTIONAL
|
|
IN CONST EFI_STRING String,
|
|
IN CONST CHAR8 *SupportedLanguages OPTIONAL
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
CHAR8 *AllocatedLanguages;
|
|
CHAR8 *Supported;
|
|
CHAR8 *Language;
|
|
|
|
ASSERT (HiiHandle != NULL);
|
|
ASSERT (String != NULL);
|
|
|
|
if (SupportedLanguages == NULL) {
|
|
//
|
|
// Retrieve the languages that the package specified by HiiHandle supports
|
|
//
|
|
AllocatedLanguages = HiiGetSupportedLanguages (HiiHandle);
|
|
} else {
|
|
//
|
|
// Allocate a copy of the SupportLanguages string that passed in
|
|
//
|
|
AllocatedLanguages = AllocateCopyPool(AsciiStrSize (SupportedLanguages), SupportedLanguages);
|
|
}
|
|
|
|
//
|
|
// If there are not enough resources for the supported languages string, then return a StringId of 0
|
|
//
|
|
if (AllocatedLanguages == NULL) {
|
|
return (EFI_STRING_ID)(0);
|
|
}
|
|
|
|
Status = EFI_INVALID_PARAMETER;
|
|
//
|
|
// Loop through each language that the string supports
|
|
//
|
|
for (Supported = AllocatedLanguages; *Supported != '\0'; ) {
|
|
//
|
|
// Cache a pointer to the beginning of the current language in the list of languages
|
|
//
|
|
Language = Supported;
|
|
|
|
//
|
|
// Search for the next language separator and replace it with a Null-terminator
|
|
//
|
|
for (; *Supported != 0 && *Supported != ';'; Supported++);
|
|
if (*Supported != 0) {
|
|
*(Supported++) = '\0';
|
|
}
|
|
|
|
if ((SupportedLanguages == NULL) && AsciiStrnCmp (Language, UEFI_CONFIG_LANG, AsciiStrLen(UEFI_CONFIG_LANG)) == 0) {
|
|
//
|
|
// Skip string package used for keyword protocol.
|
|
//
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// If StringId is 0, then call NewString(). Otherwise, call SetString()
|
|
//
|
|
if (StringId == (EFI_STRING_ID)(0)) {
|
|
Status = gHiiString->NewString (gHiiString, HiiHandle, &StringId, Language, NULL, String, NULL);
|
|
} else {
|
|
Status = gHiiString->SetString (gHiiString, HiiHandle, StringId, Language, String, NULL);
|
|
}
|
|
|
|
//
|
|
// If there was an error, then break out of the loop and return a StringId of 0
|
|
//
|
|
if (EFI_ERROR(Status)) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Free the buffer of supported languages
|
|
//
|
|
FreePool(AllocatedLanguages);
|
|
|
|
if (EFI_ERROR(Status)) {
|
|
return (EFI_STRING_ID)(0);
|
|
} else {
|
|
return StringId;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
Retrieves a string from a string package names by GUID in a specific language.
|
|
If the language is not specified, then a string from a string package in the
|
|
current platform language is retrieved. If the string can not be retrieved
|
|
using the specified language or the current platform language, then the string
|
|
is retrieved from the string package in the first language the string package
|
|
supports. The returned string is allocated using AllocatePool(). The caller
|
|
is responsible for freeing the allocated buffer using FreePool().
|
|
|
|
If PackageListGuid is NULL, then ASSERT().
|
|
If StringId is 0, then ASSERT.
|
|
|
|
@param[in] PackageListGuid The GUID of a package list that was previously
|
|
registered in the HII Database.
|
|
@param[in] StringId The identifier of the string to retrieved from the
|
|
string package associated with PackageListGuid.
|
|
@param[in] Language The language of the string to retrieve. If this
|
|
parameter is NULL, then the current platform
|
|
language is used. The format of Language must
|
|
follow the language format assumed the HII Database.
|
|
|
|
@retval NULL The package list specified by PackageListGuid is not present in the
|
|
HII Database.
|
|
@retval NULL The string specified by StringId is not present in the string package.
|
|
@retval Other The string was returned.
|
|
|
|
**/
|
|
EFI_STRING
|
|
EFIAPI
|
|
HiiGetPackageString (
|
|
IN CONST EFI_GUID *PackageListGuid,
|
|
IN EFI_STRING_ID StringId,
|
|
IN CONST CHAR8 *Language OPTIONAL
|
|
)
|
|
{
|
|
EFI_HANDLE *HiiHandleBuffer;
|
|
EFI_HANDLE HiiHandle;
|
|
|
|
ASSERT (PackageListGuid != NULL);
|
|
|
|
HiiHandleBuffer = HiiGetHiiHandles (PackageListGuid);
|
|
if (HiiHandleBuffer == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
HiiHandle = HiiHandleBuffer[0];
|
|
FreePool(HiiHandleBuffer);
|
|
|
|
return HiiGetString (HiiHandle, StringId, Language);
|
|
}
|
|
|
|
/**
|
|
Retrieves a string from a string package in a specific language. If the language
|
|
is not specified, then a string from a string package in the current platform
|
|
language is retrieved. If the string can not be retrieved using the specified
|
|
language or the current platform language, then the string is retrieved from
|
|
the string package in the first language the string package supports. The
|
|
returned string is allocated using AllocatePool(). The caller is responsible
|
|
for freeing the allocated buffer using FreePool().
|
|
|
|
If HiiHandle is NULL, then ASSERT().
|
|
If StringId is 0, then ASSET.
|
|
|
|
@param[in] HiiHandle A handle that was previously registered in the HII Database.
|
|
@param[in] StringId The identifier of the string to retrieved from the string
|
|
package associated with HiiHandle.
|
|
@param[in] Language The language of the string to retrieve. If this parameter
|
|
is NULL, then the current platform language is used. The
|
|
format of Language must follow the language format assumed
|
|
the HII Database.
|
|
|
|
@retval NULL The string specified by StringId is not present in the string package.
|
|
@retval Other The string was returned.
|
|
|
|
**/
|
|
EFI_STRING
|
|
EFIAPI
|
|
HiiGetString (
|
|
IN EFI_HII_HANDLE HiiHandle,
|
|
IN EFI_STRING_ID StringId,
|
|
IN CONST CHAR8 *Language OPTIONAL
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
UINTN StringSize;
|
|
CHAR16 TempString;
|
|
EFI_STRING String;
|
|
CHAR8 *SupportedLanguages;
|
|
CHAR8 *PlatformLanguage;
|
|
CHAR8 *BestLanguage;
|
|
|
|
ASSERT (HiiHandle != NULL);
|
|
ASSERT (StringId != 0);
|
|
|
|
//
|
|
// Initialize all allocated buffers to NULL
|
|
//
|
|
SupportedLanguages = NULL;
|
|
PlatformLanguage = NULL;
|
|
BestLanguage = NULL;
|
|
String = NULL;
|
|
|
|
//
|
|
// Get the languages that the package specified by HiiHandle supports
|
|
//
|
|
SupportedLanguages = HiiGetSupportedLanguages (HiiHandle);
|
|
if (SupportedLanguages == NULL) {
|
|
goto Error;
|
|
}
|
|
|
|
//
|
|
// Get the current platform language setting
|
|
//
|
|
GetEfiGlobalVariable2 (L"PlatformLang", (VOID**)&PlatformLanguage, NULL);
|
|
|
|
//
|
|
// If Languag is NULL, then set it to an empty string, so it will be
|
|
// skipped by GetBestLanguage()
|
|
//
|
|
if (Language == NULL) {
|
|
Language = "";
|
|
}
|
|
|
|
//
|
|
// Get the best matching language from SupportedLanguages
|
|
//
|
|
BestLanguage = GetBestLanguage (
|
|
SupportedLanguages,
|
|
FALSE, // RFC 4646 mode
|
|
Language, // Highest priority
|
|
PlatformLanguage != NULL ? PlatformLanguage : "", // Next highest priority
|
|
SupportedLanguages, // Lowest priority
|
|
NULL
|
|
);
|
|
if (BestLanguage == NULL) {
|
|
goto Error;
|
|
}
|
|
|
|
//
|
|
// Retrieve the size of the string in the string package for the BestLanguage
|
|
//
|
|
StringSize = 0;
|
|
Status = gHiiString->GetString (
|
|
gHiiString,
|
|
BestLanguage,
|
|
HiiHandle,
|
|
StringId,
|
|
&TempString,
|
|
&StringSize,
|
|
NULL
|
|
);
|
|
//
|
|
// If GetString() returns EFI_SUCCESS for a zero size,
|
|
// then there are no supported languages registered for HiiHandle. If GetString()
|
|
// returns an error other than EFI_BUFFER_TOO_SMALL, then HiiHandle is not present
|
|
// in the HII Database
|
|
//
|
|
if (Status != EFI_BUFFER_TOO_SMALL) {
|
|
goto Error;
|
|
}
|
|
|
|
//
|
|
// Allocate a buffer for the return string
|
|
//
|
|
String = AllocateZeroPool(StringSize);
|
|
if (String == NULL) {
|
|
goto Error;
|
|
}
|
|
|
|
//
|
|
// Retrieve the string from the string package
|
|
//
|
|
Status = gHiiString->GetString (
|
|
gHiiString,
|
|
BestLanguage,
|
|
HiiHandle,
|
|
StringId,
|
|
String,
|
|
&StringSize,
|
|
NULL
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
//
|
|
// Free the buffer and return NULL if the supported languages can not be retrieved.
|
|
//
|
|
FreePool(String);
|
|
String = NULL;
|
|
}
|
|
|
|
Error:
|
|
//
|
|
// Free allocated buffers
|
|
//
|
|
if (SupportedLanguages != NULL) {
|
|
FreePool(SupportedLanguages);
|
|
}
|
|
if (PlatformLanguage != NULL) {
|
|
FreePool(PlatformLanguage);
|
|
}
|
|
if (BestLanguage != NULL) {
|
|
FreePool(BestLanguage);
|
|
}
|
|
|
|
//
|
|
// Return the Null-terminated Unicode string
|
|
//
|
|
return String;
|
|
}
|
|
|