/** @file
Implementation for EFI_HII_STRING_PROTOCOL.
Copyright (c) 2007 - 2015, 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
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.
**/
#include "HiiDatabase.h"
CHAR16 mLanguageWindow[16] = {
0x0000, 0x0080, 0x0100, 0x0300,
0x2000, 0x2080, 0x2100, 0x3000,
0x0080, 0x00C0, 0x0400, 0x0600,
0x0900, 0x3040, 0x30A0, 0xFF00
};
/**
This function checks whether a global font info is referred by local
font info list or not. (i.e. HII_FONT_INFO is generated.) If not, create
a HII_FONT_INFO to refer it locally.
This is a internal function.
@param Private Hii database private structure.
@param StringPackage HII string package instance.
@param FontId Font identifer, which must be unique within the string package.
@param DuplicateEnable If true, duplicate HII_FONT_INFO which refers to
the same EFI_FONT_INFO is permitted. Otherwise it
is not allowed.
@param GlobalFontInfo Input a global font info which specify a
EFI_FONT_INFO.
@param LocalFontInfo Output a local font info which refers to a
EFI_FONT_INFO.
@retval TRUE Already referred before calling this function.
@retval FALSE Not referred before calling this function.
**/
BOOLEAN
ReferFontInfoLocally (
IN HII_DATABASE_PRIVATE_DATA *Private,
IN HII_STRING_PACKAGE_INSTANCE *StringPackage,
IN UINT8 FontId,
IN BOOLEAN DuplicateEnable,
IN HII_GLOBAL_FONT_INFO *GlobalFontInfo,
OUT HII_FONT_INFO **LocalFontInfo
)
{
HII_FONT_INFO *LocalFont;
LIST_ENTRY *Link;
ASSERT (Private != NULL && StringPackage != NULL && GlobalFontInfo != NULL && LocalFontInfo != NULL);
if (!DuplicateEnable) {
for (Link = StringPackage->FontInfoList.ForwardLink;
Link != &StringPackage->FontInfoList;
Link = Link->ForwardLink
) {
LocalFont = CR (Link, HII_FONT_INFO, Entry, HII_FONT_INFO_SIGNATURE);
if (LocalFont->GlobalEntry == &GlobalFontInfo->Entry) {
//
// Already referred by local font info list, return directly.
//
*LocalFontInfo = LocalFont;
return TRUE;
}
}
}
// FontId identifies EFI_FONT_INFO in local string package uniquely.
// GlobalEntry points to a HII_GLOBAL_FONT_INFO which identifies
// EFI_FONT_INFO uniquely in whole hii database.
//
LocalFont = (HII_FONT_INFO *) AllocateZeroPool (sizeof (HII_FONT_INFO));
ASSERT (LocalFont != NULL);
LocalFont->Signature = HII_FONT_INFO_SIGNATURE;
LocalFont->FontId = FontId;
LocalFont->GlobalEntry = &GlobalFontInfo->Entry;
InsertTailList (&StringPackage->FontInfoList, &LocalFont->Entry);
*LocalFontInfo = LocalFont;
return FALSE;
}
/**
Convert Ascii string text to unicode string test.
This is a internal function.
@param StringDest Buffer to store the string text. If it is NULL,
only the size will be returned.
@param StringSrc Points to current null-terminated string.
@param BufferSize Length of the buffer.
@retval EFI_SUCCESS The string text was outputed successfully.
@retval EFI_BUFFER_TOO_SMALL Buffer is insufficient to store the found string
text. BufferSize is updated to the required buffer
size.
**/
EFI_STATUS
ConvertToUnicodeText (
OUT EFI_STRING StringDest,
IN CHAR8 *StringSrc,
IN OUT UINTN *BufferSize
)
{
UINTN StringSize;
UINTN Index;
ASSERT (StringSrc != NULL && BufferSize != NULL);
StringSize = AsciiStrSize (StringSrc) * 2;
if (*BufferSize < StringSize || StringDest == NULL) {
*BufferSize = StringSize;
return EFI_BUFFER_TOO_SMALL;
}
for (Index = 0; Index < AsciiStrLen (StringSrc); Index++) {
StringDest[Index] = (CHAR16) StringSrc[Index];
}
StringDest[Index] = 0;
return EFI_SUCCESS;
}
/**
Calculate the size of StringSrc and output it. If StringDest is not NULL,
copy string text from src to dest.
This is a internal function.
@param StringDest Buffer to store the string text. If it is NULL,
only the size will be returned.
@param StringSrc Points to current null-terminated string.
@param BufferSize Length of the buffer.
@retval EFI_SUCCESS The string text was outputed successfully.
@retval EFI_BUFFER_TOO_SMALL Buffer is insufficient to store the found string
text. BufferSize is updated to the required buffer
size.
**/
EFI_STATUS
GetUnicodeStringTextOrSize (
OUT EFI_STRING StringDest, OPTIONAL
IN UINT8 *StringSrc,
IN OUT UINTN *BufferSize
)
{
UINTN StringSize;
UINT8 *StringPtr;
ASSERT (StringSrc != NULL && BufferSize != NULL);
StringSize = sizeof (CHAR16);
StringPtr = StringSrc;
while (ReadUnaligned16 ((UINT16 *) StringPtr) != 0) {
StringSize += sizeof (CHAR16);
StringPtr += sizeof (CHAR16);
}
if (*BufferSize < StringSize) {
*BufferSize = StringSize;
return EFI_BUFFER_TOO_SMALL;
}
if (StringDest != NULL) {
CopyMem (StringDest, StringSrc, StringSize);
}
*BufferSize = StringSize;
return EFI_SUCCESS;
}
/**
Copy string font info to a buffer.
This is a internal function.
@param StringPackage Hii string package instance.
@param FontId Font identifier which is unique in a string
package.
@param StringFontInfo Buffer to record the output font info. It's
caller's responsibility to free this buffer.
@retval EFI_SUCCESS The string font is outputed successfully.
@retval EFI_NOT_FOUND The specified font id does not exist.
**/
EFI_STATUS
GetStringFontInfo (
IN HII_STRING_PACKAGE_INSTANCE *StringPackage,
IN UINT8 FontId,
OUT EFI_FONT_INFO **StringFontInfo
)
{
LIST_ENTRY *Link;
HII_FONT_INFO *FontInfo;
HII_GLOBAL_FONT_INFO *GlobalFont;
ASSERT (StringFontInfo != NULL && StringPackage != NULL);
for (Link = StringPackage->FontInfoList.ForwardLink; Link != &StringPackage->FontInfoList; Link = Link->ForwardLink) {
FontInfo = CR (Link, HII_FONT_INFO, Entry, HII_FONT_INFO_SIGNATURE);
if (FontInfo->FontId == FontId) {
GlobalFont = CR (FontInfo->GlobalEntry, HII_GLOBAL_FONT_INFO, Entry, HII_GLOBAL_FONT_INFO_SIGNATURE);
*StringFontInfo = (EFI_FONT_INFO *) AllocateZeroPool (GlobalFont->FontInfoSize);
if (*StringFontInfo == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (*StringFontInfo, GlobalFont->FontInfo, GlobalFont->FontInfoSize);
return EFI_SUCCESS;
}
}
return EFI_NOT_FOUND;
}
/**
Parse all string blocks to find a String block specified by StringId.
If StringId = (EFI_STRING_ID) (-1), find out all EFI_HII_SIBT_FONT blocks
within this string package and backup its information. If LastStringId is
specified, the string id of last string block will also be output.
If StringId = 0, output the string id of last string block (EFI_HII_SIBT_STRING).
@param Private Hii database private structure.
@param StringPackage Hii string package instance.
@param StringId The string's id, which is unique within
PackageList.
@param BlockType Output the block type of found string block.
@param StringBlockAddr Output the block address of found string block.
@param StringTextOffset Offset, relative to the found block address, of
the string text information.
@param LastStringId Output the last string id when StringId = 0 or StringId = -1.
@param StartStringId The first id in the skip block which StringId in the block.
@retval EFI_SUCCESS The string text and font is retrieved
successfully.
@retval EFI_NOT_FOUND The specified text or font info can not be found
out.
@retval EFI_OUT_OF_RESOURCES The system is out of resources to accomplish the
task.
**/
EFI_STATUS
FindStringBlock (
IN HII_DATABASE_PRIVATE_DATA *Private,
IN HII_STRING_PACKAGE_INSTANCE *StringPackage,
IN EFI_STRING_ID StringId,
OUT UINT8 *BlockType, OPTIONAL
OUT UINT8 **StringBlockAddr, OPTIONAL
OUT UINTN *StringTextOffset, OPTIONAL
OUT EFI_STRING_ID *LastStringId, OPTIONAL
OUT EFI_STRING_ID *StartStringId OPTIONAL
)
{
UINT8 *BlockHdr;
EFI_STRING_ID CurrentStringId;
UINTN BlockSize;
UINTN Index;
UINT8 *StringTextPtr;
UINTN Offset;
HII_FONT_INFO *LocalFont;
EFI_FONT_INFO *FontInfo;
HII_GLOBAL_FONT_INFO *GlobalFont;
UINTN FontInfoSize;
UINT16 StringCount;
UINT16 SkipCount;
EFI_HII_FONT_STYLE FontStyle;
UINT16 FontSize;
UINT8 Length8;
EFI_HII_SIBT_EXT2_BLOCK Ext2;
UINT8 FontId;
UINT32 Length32;
UINTN StringSize;
CHAR16 Zero;
ASSERT (StringPackage != NULL);
ASSERT (StringPackage->Signature == HII_STRING_PACKAGE_SIGNATURE);
CurrentStringId = 1;
if (StringId != (EFI_STRING_ID) (-1) && StringId != 0) {
ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL);
if (StringId > StringPackage->MaxStringId) {
return EFI_NOT_FOUND;
}
} else {
ASSERT (Private != NULL && Private->Signature == HII_DATABASE_PRIVATE_DATA_SIGNATURE);
if (StringId == 0 && LastStringId != NULL) {
*LastStringId = StringPackage->MaxStringId;
return EFI_SUCCESS;
}
}
ZeroMem (&Zero, sizeof (CHAR16));
//
// Parse the string blocks to get the string text and font.
//
BlockHdr = StringPackage->StringBlock;
BlockSize = 0;
Offset = 0;
while (*BlockHdr != EFI_HII_SIBT_END) {
switch (*BlockHdr) {
case EFI_HII_SIBT_STRING_SCSU:
Offset = sizeof (EFI_HII_STRING_BLOCK);
StringTextPtr = BlockHdr + Offset;
BlockSize += Offset + AsciiStrSize ((CHAR8 *) StringTextPtr);
CurrentStringId++;
break;
case EFI_HII_SIBT_STRING_SCSU_FONT:
Offset = sizeof (EFI_HII_SIBT_STRING_SCSU_FONT_BLOCK) - sizeof (UINT8);
StringTextPtr = BlockHdr + Offset;
BlockSize += Offset + AsciiStrSize ((CHAR8 *) StringTextPtr);
CurrentStringId++;
break;
case EFI_HII_SIBT_STRINGS_SCSU:
CopyMem (&StringCount, BlockHdr + sizeof (EFI_HII_STRING_BLOCK), sizeof (UINT16));
StringTextPtr = (UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_SIBT_STRINGS_SCSU_BLOCK) - sizeof (UINT8));
BlockSize += StringTextPtr - BlockHdr;
for (Index = 0; Index < StringCount; Index++) {
BlockSize += AsciiStrSize ((CHAR8 *) StringTextPtr);
if (CurrentStringId == StringId) {
ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL);
*BlockType = *BlockHdr;
*StringBlockAddr = BlockHdr;
*StringTextOffset = StringTextPtr - BlockHdr;
return EFI_SUCCESS;
}
StringTextPtr = StringTextPtr + AsciiStrSize ((CHAR8 *) StringTextPtr);
CurrentStringId++;
}
break;
case EFI_HII_SIBT_STRINGS_SCSU_FONT:
CopyMem (
&StringCount,
(UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_STRING_BLOCK) + sizeof (UINT8)),
sizeof (UINT16)
);
StringTextPtr = (UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_SIBT_STRINGS_SCSU_FONT_BLOCK) - sizeof (UINT8));
BlockSize += StringTextPtr - BlockHdr;
for (Index = 0; Index < StringCount; Index++) {
BlockSize += AsciiStrSize ((CHAR8 *) StringTextPtr);
if (CurrentStringId == StringId) {
ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL);
*BlockType = *BlockHdr;
*StringBlockAddr = BlockHdr;
*StringTextOffset = StringTextPtr - BlockHdr;
return EFI_SUCCESS;
}
StringTextPtr = StringTextPtr + AsciiStrSize ((CHAR8 *) StringTextPtr);
CurrentStringId++;
}
break;
case EFI_HII_SIBT_STRING_UCS2:
Offset = sizeof (EFI_HII_STRING_BLOCK);
StringTextPtr = BlockHdr + Offset;
//
// Use StringSize to store the size of the specified string, including the NULL
// terminator.
//
GetUnicodeStringTextOrSize (NULL, StringTextPtr, &StringSize);
BlockSize += Offset + StringSize;
CurrentStringId++;
break;
case EFI_HII_SIBT_STRING_UCS2_FONT:
Offset = sizeof (EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK) - sizeof (CHAR16);
StringTextPtr = BlockHdr + Offset;
//
// Use StrSize to store the size of the specified string, including the NULL
// terminator.
//
GetUnicodeStringTextOrSize (NULL, StringTextPtr, &StringSize);
BlockSize += Offset + StringSize;
CurrentStringId++;
break;
case EFI_HII_SIBT_STRINGS_UCS2:
Offset = sizeof (EFI_HII_SIBT_STRINGS_UCS2_BLOCK) - sizeof (CHAR16);
StringTextPtr = BlockHdr + Offset;
BlockSize += Offset;
CopyMem (&StringCount, BlockHdr + sizeof (EFI_HII_STRING_BLOCK), sizeof (UINT16));
for (Index = 0; Index < StringCount; Index++) {
GetUnicodeStringTextOrSize (NULL, StringTextPtr, &StringSize);
BlockSize += StringSize;
if (CurrentStringId == StringId) {
ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL);
*BlockType = *BlockHdr;
*StringBlockAddr = BlockHdr;
*StringTextOffset = StringTextPtr - BlockHdr;
return EFI_SUCCESS;
}
StringTextPtr = StringTextPtr + StringSize;
CurrentStringId++;
}
break;
case EFI_HII_SIBT_STRINGS_UCS2_FONT:
Offset = sizeof (EFI_HII_SIBT_STRINGS_UCS2_FONT_BLOCK) - sizeof (CHAR16);
StringTextPtr = BlockHdr + Offset;
BlockSize += Offset;
CopyMem (
&StringCount,
(UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_STRING_BLOCK) + sizeof (UINT8)),
sizeof (UINT16)
);
for (Index = 0; Index < StringCount; Index++) {
GetUnicodeStringTextOrSize (NULL, StringTextPtr, &StringSize);
BlockSize += StringSize;
if (CurrentStringId == StringId) {
ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL);
*BlockType = *BlockHdr;
*StringBlockAddr = BlockHdr;
*StringTextOffset = StringTextPtr - BlockHdr;
return EFI_SUCCESS;
}
StringTextPtr = StringTextPtr + StringSize;
CurrentStringId++;
}
break;
case EFI_HII_SIBT_DUPLICATE:
if (CurrentStringId == StringId) {
//
// Incoming StringId is an id of a duplicate string block.
// Update the StringId to be the previous string block.
// Go back to the header of string block to search.
//
CopyMem (
&StringId,
BlockHdr + sizeof (EFI_HII_STRING_BLOCK),
sizeof (EFI_STRING_ID)
);
ASSERT (StringId != CurrentStringId);
CurrentStringId = 1;
BlockSize = 0;
} else {
BlockSize += sizeof (EFI_HII_SIBT_DUPLICATE_BLOCK);
CurrentStringId++;
}
break;
case EFI_HII_SIBT_SKIP1:
SkipCount = (UINT16) (*(UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_STRING_BLOCK)));
CurrentStringId = (UINT16) (CurrentStringId + SkipCount);
BlockSize += sizeof (EFI_HII_SIBT_SKIP1_BLOCK);
break;
case EFI_HII_SIBT_SKIP2:
CopyMem (&SkipCount, BlockHdr + sizeof (EFI_HII_STRING_BLOCK), sizeof (UINT16));
CurrentStringId = (UINT16) (CurrentStringId + SkipCount);
BlockSize += sizeof (EFI_HII_SIBT_SKIP2_BLOCK);
break;
case EFI_HII_SIBT_EXT1:
CopyMem (
&Length8,
(UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_STRING_BLOCK) + sizeof (UINT8)),
sizeof (UINT8)
);
BlockSize += Length8;
break;
case EFI_HII_SIBT_EXT2:
CopyMem (&Ext2, BlockHdr, sizeof (EFI_HII_SIBT_EXT2_BLOCK));
if (Ext2.BlockType2 == EFI_HII_SIBT_FONT && StringId == (EFI_STRING_ID) (-1)) {
//
// Find the relationship between global font info and the font info of
// this EFI_HII_SIBT_FONT block then backup its information in local package.
//
BlockHdr += sizeof (EFI_HII_SIBT_EXT2_BLOCK);
CopyMem (&FontId, BlockHdr, sizeof (UINT8));
BlockHdr ++;
CopyMem (&FontSize, BlockHdr, sizeof (UINT16));
BlockHdr += sizeof (UINT16);
CopyMem (&FontStyle, BlockHdr, sizeof (EFI_HII_FONT_STYLE));
BlockHdr += sizeof (EFI_HII_FONT_STYLE);
GetUnicodeStringTextOrSize (NULL, BlockHdr, &StringSize);
FontInfoSize = sizeof (EFI_FONT_INFO) - sizeof (CHAR16) + StringSize;
FontInfo = (EFI_FONT_INFO *) AllocateZeroPool (FontInfoSize);
if (FontInfo == NULL) {
return EFI_OUT_OF_RESOURCES;
}
FontInfo->FontStyle = FontStyle;
FontInfo->FontSize = FontSize;
CopyMem (FontInfo->FontName, BlockHdr, StringSize);
//
// If find the corresponding global font info, save the relationship.
// Otherwise ignore this EFI_HII_SIBT_FONT block.
//
if (IsFontInfoExisted (Private, FontInfo, NULL, NULL, &GlobalFont)) {
ReferFontInfoLocally (Private, StringPackage, FontId, TRUE, GlobalFont, &LocalFont);
}
//
// Since string package tool set FontId initially to 0 and increases it
// progressively by one, StringPackage->FondId always represents an unique
// and available FontId.
//
StringPackage->FontId++;
FreePool (FontInfo);
}
BlockSize += Ext2.Length;
break;
case EFI_HII_SIBT_EXT4:
CopyMem (
&Length32,
(UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_STRING_BLOCK) + sizeof (UINT8)),
sizeof (UINT32)
);
BlockSize += Length32;
break;
default:
break;
}
if (StringId > 0 && StringId != (EFI_STRING_ID)(-1)) {
ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL);
*BlockType = *BlockHdr;
*StringBlockAddr = BlockHdr;
*StringTextOffset = Offset;
if (StringId == CurrentStringId - 1) {
//
// if only one skip item, return EFI_NOT_FOUND.
//
if(*BlockType == EFI_HII_SIBT_SKIP2 || *BlockType == EFI_HII_SIBT_SKIP1) {
return EFI_NOT_FOUND;
} else {
return EFI_SUCCESS;
}
}
if (StringId < CurrentStringId - 1) {
return EFI_NOT_FOUND;
}
}
BlockHdr = StringPackage->StringBlock + BlockSize;
if (StartStringId != NULL) {
*StartStringId = CurrentStringId;
}
}
//
// Get last string ID
//
if (StringId == (EFI_STRING_ID) (-1) && LastStringId != NULL) {
*LastStringId = (EFI_STRING_ID) (CurrentStringId - 1);
return EFI_SUCCESS;
}
return EFI_NOT_FOUND;
}
/**
Parse all string blocks to get a string specified by StringId.
This is a internal function.
@param Private Hii database private structure.
@param StringPackage Hii string package instance.
@param StringId The string's id, which is unique within
PackageList.
@param String Points to retrieved 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, allocate a buffer to record the
output font info. It's caller's responsibility to
free this buffer.
@retval EFI_SUCCESS The string text and font is retrieved
successfully.
@retval EFI_NOT_FOUND The specified text or font info can not be found
out.
@retval EFI_BUFFER_TOO_SMALL The buffer specified by StringSize is too small to
hold the string.
**/
EFI_STATUS
GetStringWorker (
IN HII_DATABASE_PRIVATE_DATA *Private,
IN HII_STRING_PACKAGE_INSTANCE *StringPackage,
IN EFI_STRING_ID StringId,
OUT EFI_STRING String,
IN OUT UINTN *StringSize, OPTIONAL
OUT EFI_FONT_INFO **StringFontInfo OPTIONAL
)
{
UINT8 *StringTextPtr;
UINT8 BlockType;
UINT8 *StringBlockAddr;
UINTN StringTextOffset;
EFI_STATUS Status;
UINT8 FontId;
ASSERT (StringPackage != NULL);
ASSERT (Private != NULL && Private->Signature == HII_DATABASE_PRIVATE_DATA_SIGNATURE);
//
// Find the specified string block
//
Status = FindStringBlock (
Private,
StringPackage,
StringId,
&BlockType,
&StringBlockAddr,
&StringTextOffset,
NULL,
NULL
);
if (EFI_ERROR (Status)) {
return Status;
}
if (StringSize == NULL) {
//
// String text buffer is not requested
//
return EFI_SUCCESS;
}
//
// Get the string text.
//
StringTextPtr = StringBlockAddr + StringTextOffset;
switch (BlockType) {
case EFI_HII_SIBT_STRING_SCSU:
case EFI_HII_SIBT_STRING_SCSU_FONT:
case EFI_HII_SIBT_STRINGS_SCSU:
case EFI_HII_SIBT_STRINGS_SCSU_FONT:
Status = ConvertToUnicodeText (String, (CHAR8 *) StringTextPtr, StringSize);
break;
case EFI_HII_SIBT_STRING_UCS2:
case EFI_HII_SIBT_STRING_UCS2_FONT:
case EFI_HII_SIBT_STRINGS_UCS2:
case EFI_HII_SIBT_STRINGS_UCS2_FONT:
Status = GetUnicodeStringTextOrSize (String, StringTextPtr, StringSize);
break;
default:
return EFI_NOT_FOUND;
}
if (EFI_ERROR (Status)) {
return Status;
}
//
// Get the string font. The FontId 0 is the default font for those string blocks which
// do not specify a font identifier. If default font is not specified, return NULL.
//
if (StringFontInfo != NULL) {
switch (BlockType) {
case EFI_HII_SIBT_STRING_SCSU_FONT:
case EFI_HII_SIBT_STRINGS_SCSU_FONT:
case EFI_HII_SIBT_STRING_UCS2_FONT:
case EFI_HII_SIBT_STRINGS_UCS2_FONT:
FontId = *(StringBlockAddr + sizeof (EFI_HII_STRING_BLOCK));
break;
default:
FontId = 0;
}
Status = GetStringFontInfo (StringPackage, FontId, StringFontInfo);
if (Status == EFI_NOT_FOUND) {
*StringFontInfo = NULL;
}
}
return EFI_SUCCESS;
}
/**
If GetStringBlock find the StringId's string is not saved in the exist string block,
this function will create the UCS2 string block to save the string; also split the
skip block into two or one skip block.
This is a internal function.
@param StringPackage Hii string package instance.
@param StartStringId The first id in the skip block which StringId in the block.
@param StringId The string's id, which is unique within
PackageList.
@param BlockType Output the block type of found string block.
@param StringBlockAddr Output the block address of found string block.
@param FontBlock whether this string block has font info.
@retval EFI_SUCCESS The string font is outputed successfully.
@retval EFI_OUT_OF_RESOURCES NO resource for the memory to save the new string block.
**/
EFI_STATUS
InsertLackStringBlock (
IN OUT HII_STRING_PACKAGE_INSTANCE *StringPackage,
IN EFI_STRING_ID StartStringId,
IN EFI_STRING_ID StringId,
IN OUT UINT8 *BlockType,
IN OUT UINT8 **StringBlockAddr,
IN BOOLEAN FontBlock
)
{
UINT8 *BlockPtr;
UINT8 *StringBlock;
UINT32 SkipLen;
UINT32 OldBlockSize;
UINT32 NewBlockSize;
UINT32 FrontSkipNum;
UINT32 NewUCSBlockLen;
UINT8 *OldStringAddr;
UINT32 IdCount;
FrontSkipNum = 0;
SkipLen = 0;
OldStringAddr = *StringBlockAddr;
ASSERT (*BlockType == EFI_HII_SIBT_SKIP1 || *BlockType == EFI_HII_SIBT_SKIP2);
//
// Old skip block size.
//
if (*BlockType == EFI_HII_SIBT_SKIP1) {
SkipLen = sizeof (EFI_HII_SIBT_SKIP1_BLOCK);
IdCount = *(UINT8*)(OldStringAddr + sizeof (EFI_HII_STRING_BLOCK));
} else {
SkipLen = sizeof (EFI_HII_SIBT_SKIP2_BLOCK);
IdCount = *(UINT16*)(OldStringAddr + sizeof (EFI_HII_STRING_BLOCK));
}
//
// New create UCS or UCS2 block size.
//
if (FontBlock) {
NewUCSBlockLen = sizeof (EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK);
} else {
NewUCSBlockLen = sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK);
}
OldBlockSize = StringPackage->StringPkgHdr->Header.Length - StringPackage->StringPkgHdr->HdrSize;
if (StartStringId == StringId) {
//
// New block + [Skip block]
//
if (IdCount > 1) {
NewBlockSize = OldBlockSize + NewUCSBlockLen;
} else {
NewBlockSize = OldBlockSize + NewUCSBlockLen - SkipLen;
}
} else if (StartStringId + IdCount - 1 == StringId){
//
// Skip block + New block
//
NewBlockSize = OldBlockSize + NewUCSBlockLen;
FrontSkipNum = StringId - StartStringId;
} else {
//
// Skip block + New block + [Skip block]
//
NewBlockSize = OldBlockSize + NewUCSBlockLen + SkipLen;
FrontSkipNum = StringId - StartStringId;
}
StringBlock = (UINT8 *) AllocateZeroPool (NewBlockSize);
if (StringBlock == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// Copy old block in front of skip block.
//
CopyMem (StringBlock, StringPackage->StringBlock, OldStringAddr - StringPackage->StringBlock);
BlockPtr = StringBlock + (OldStringAddr - StringPackage->StringBlock);
if (FrontSkipNum > 0) {
*BlockPtr = *BlockType;
if (*BlockType == EFI_HII_SIBT_SKIP1) {
*(BlockPtr + sizeof (EFI_HII_STRING_BLOCK)) = (UINT8) FrontSkipNum;
} else {
*(UINT16 *)(BlockPtr + sizeof (EFI_HII_STRING_BLOCK)) = (UINT16) FrontSkipNum;
}
BlockPtr += SkipLen;
}
//
// Create a EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK
//
*StringBlockAddr = BlockPtr;
if (FontBlock) {
*BlockPtr = EFI_HII_SIBT_STRING_UCS2_FONT;
} else {
*BlockPtr = EFI_HII_SIBT_STRING_UCS2;
}
BlockPtr += NewUCSBlockLen;
if (IdCount > FrontSkipNum + 1) {
*BlockPtr = *BlockType;
if (*BlockType == EFI_HII_SIBT_SKIP1) {
*(BlockPtr + sizeof (EFI_HII_STRING_BLOCK)) = (UINT8) (IdCount - FrontSkipNum - 1);
} else {
*(UINT16 *)(BlockPtr + sizeof (EFI_HII_STRING_BLOCK)) = (UINT16) (IdCount - FrontSkipNum - 1);
}
BlockPtr += SkipLen;
}
//
// Append a EFI_HII_SIBT_END block to the end.
//
CopyMem (BlockPtr, OldStringAddr + SkipLen, OldBlockSize - (OldStringAddr - StringPackage->StringBlock) - SkipLen);
if (FontBlock) {
*BlockType = EFI_HII_SIBT_STRING_UCS2_FONT;
} else {
*BlockType = EFI_HII_SIBT_STRING_UCS2;
}
FreePool (StringPackage->StringBlock);
StringPackage->StringBlock = StringBlock;
StringPackage->StringPkgHdr->Header.Length += NewBlockSize - OldBlockSize;
return EFI_SUCCESS;
}
/**
Parse all string blocks to set a String specified by StringId.
This is a internal function.
@param Private HII database driver private structure.
@param StringPackage HII string package instance.
@param StringId The string's id, which is unique within
PackageList.
@param String Points to the new null-terminated string.
@param StringFontInfo Points to the input font info.
@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.
**/
EFI_STATUS
SetStringWorker (
IN HII_DATABASE_PRIVATE_DATA *Private,
IN OUT HII_STRING_PACKAGE_INSTANCE *StringPackage,
IN EFI_STRING_ID StringId,
IN EFI_STRING String,
IN EFI_FONT_INFO *StringFontInfo OPTIONAL
)
{
UINT8 *StringTextPtr;
UINT8 BlockType;
UINT8 *StringBlockAddr;
UINTN StringTextOffset;
EFI_STATUS Status;
UINT8 *Block;
UINT8 *BlockPtr;
UINTN BlockSize;
UINTN OldBlockSize;
HII_FONT_INFO *LocalFont;
HII_GLOBAL_FONT_INFO *GlobalFont;
BOOLEAN Referred;
EFI_HII_SIBT_EXT2_BLOCK Ext2;
UINTN StringSize;
UINTN TmpSize;
EFI_STRING_ID StartStringId;
StartStringId = 0;
StringSize = 0;
ASSERT (Private != NULL && StringPackage != NULL && String != NULL);
ASSERT (Private->Signature == HII_DATABASE_PRIVATE_DATA_SIGNATURE);
//
// Find the specified string block
//
Status = FindStringBlock (
Private,
StringPackage,
StringId,
&BlockType,
&StringBlockAddr,
&StringTextOffset,
NULL,
&StartStringId
);
if (EFI_ERROR (Status) && (BlockType == EFI_HII_SIBT_SKIP1 || BlockType == EFI_HII_SIBT_SKIP2)) {
Status = InsertLackStringBlock(StringPackage,
StartStringId,
StringId,
&BlockType,
&StringBlockAddr,
(BOOLEAN)(StringFontInfo != NULL)
);
if (EFI_ERROR (Status)) {
return Status;
}
if (StringFontInfo != NULL) {
StringTextOffset = sizeof (EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK) - sizeof (CHAR16);
} else {
StringTextOffset = sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK) - sizeof (CHAR16);
}
}
LocalFont = NULL;
GlobalFont = NULL;
Referred = FALSE;
//
// The input StringFontInfo should exist in current database if specified.
//
if (StringFontInfo != NULL) {
if (!IsFontInfoExisted (Private, StringFontInfo, NULL, NULL, &GlobalFont)) {
return EFI_INVALID_PARAMETER;
} else {
Referred = ReferFontInfoLocally (
Private,
StringPackage,
StringPackage->FontId,
FALSE,
GlobalFont,
&LocalFont
);
if (!Referred) {
StringPackage->FontId++;
}
}
//
// Update the FontId of the specified string block to input font info.
//
switch (BlockType) {
case EFI_HII_SIBT_STRING_SCSU_FONT:
case EFI_HII_SIBT_STRINGS_SCSU_FONT:
case EFI_HII_SIBT_STRING_UCS2_FONT:
case EFI_HII_SIBT_STRINGS_UCS2_FONT:
*(StringBlockAddr + sizeof (EFI_HII_STRING_BLOCK)) = LocalFont->FontId;
break;
default:
//
// When modify the font info of these blocks, the block type should be updated
// to contain font info thus the whole structure should be revised.
// It is recommended to use tool to modify the block type not in the code.
//
return EFI_UNSUPPORTED;
}
}
OldBlockSize = StringPackage->StringPkgHdr->Header.Length - StringPackage->StringPkgHdr->HdrSize;
//
// Set the string text and font.
//
StringTextPtr = StringBlockAddr + StringTextOffset;
switch (BlockType) {
case EFI_HII_SIBT_STRING_SCSU:
case EFI_HII_SIBT_STRING_SCSU_FONT:
case EFI_HII_SIBT_STRINGS_SCSU:
case EFI_HII_SIBT_STRINGS_SCSU_FONT:
BlockSize = OldBlockSize + StrLen (String);
BlockSize -= AsciiStrSize ((CHAR8 *) StringTextPtr);
Block = AllocateZeroPool (BlockSize);
if (Block == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (Block, StringPackage->StringBlock, StringTextPtr - StringPackage->StringBlock);
BlockPtr = Block + (StringTextPtr - StringPackage->StringBlock);
while (*String != 0) {
*BlockPtr++ = (CHAR8) *String++;
}
*BlockPtr++ = 0;
TmpSize = OldBlockSize - (StringTextPtr - StringPackage->StringBlock) - AsciiStrSize ((CHAR8 *) StringTextPtr);
CopyMem (
BlockPtr,
StringTextPtr + AsciiStrSize ((CHAR8 *)StringTextPtr),
TmpSize
);
FreePool (StringPackage->StringBlock);
StringPackage->StringBlock = Block;
StringPackage->StringPkgHdr->Header.Length += (UINT32) (BlockSize - OldBlockSize);
break;
case EFI_HII_SIBT_STRING_UCS2:
case EFI_HII_SIBT_STRING_UCS2_FONT:
case EFI_HII_SIBT_STRINGS_UCS2:
case EFI_HII_SIBT_STRINGS_UCS2_FONT:
//
// Use StrSize to store the size of the specified string, including the NULL
// terminator.
//
GetUnicodeStringTextOrSize (NULL, StringTextPtr, &StringSize);
BlockSize = OldBlockSize + StrSize (String) - StringSize;
Block = AllocateZeroPool (BlockSize);
if (Block == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (Block, StringPackage->StringBlock, StringTextPtr - StringPackage->StringBlock);
BlockPtr = Block + (StringTextPtr - StringPackage->StringBlock);
CopyMem (BlockPtr, String, StrSize (String));
BlockPtr += StrSize (String);
CopyMem (
BlockPtr,
StringTextPtr + StringSize,
OldBlockSize - (StringTextPtr - StringPackage->StringBlock) - StringSize
);
FreePool (StringPackage->StringBlock);
StringPackage->StringBlock = Block;
StringPackage->StringPkgHdr->Header.Length += (UINT32) (BlockSize - OldBlockSize);
break;
default:
return EFI_NOT_FOUND;
}
//
// Insert a new EFI_HII_SIBT_FONT_BLOCK to the header of string block, if incoming
// StringFontInfo does not exist in current string package.
//
// This new block does not impact on the value of StringId.
//
//
if (StringFontInfo == NULL || Referred) {
return EFI_SUCCESS;
}
OldBlockSize = StringPackage->StringPkgHdr->Header.Length - StringPackage->StringPkgHdr->HdrSize;
BlockSize = OldBlockSize + sizeof (EFI_HII_SIBT_FONT_BLOCK) - sizeof (CHAR16) +
StrSize (GlobalFont->FontInfo->FontName);
Block = AllocateZeroPool (BlockSize);
if (Block == NULL) {
return EFI_OUT_OF_RESOURCES;
}
BlockPtr = Block;
Ext2.Header.BlockType = EFI_HII_SIBT_EXT2;
Ext2.BlockType2 = EFI_HII_SIBT_FONT;
Ext2.Length = (UINT16) (BlockSize - OldBlockSize);
CopyMem (BlockPtr, &Ext2, sizeof (EFI_HII_SIBT_EXT2_BLOCK));
BlockPtr += sizeof (EFI_HII_SIBT_EXT2_BLOCK);
*BlockPtr = LocalFont->FontId;
BlockPtr ++;
CopyMem (BlockPtr, &GlobalFont->FontInfo->FontSize, sizeof (UINT16));
BlockPtr += sizeof (UINT16);
CopyMem (BlockPtr, &GlobalFont->FontInfo->FontStyle, sizeof (UINT32));
BlockPtr += sizeof (UINT32);
CopyMem (
BlockPtr,
GlobalFont->FontInfo->FontName,
StrSize (GlobalFont->FontInfo->FontName)
);
BlockPtr += StrSize (GlobalFont->FontInfo->FontName);
CopyMem (BlockPtr, StringPackage->StringBlock, OldBlockSize);
FreePool (StringPackage->StringBlock);
StringPackage->StringBlock = Block;
StringPackage->StringPkgHdr->Header.Length += Ext2.Length;
return EFI_SUCCESS;
}
/**
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 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.
**/
EFI_STATUS
EFIAPI
HiiNewString (
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
)
{
EFI_STATUS Status;
LIST_ENTRY *Link;
HII_DATABASE_PRIVATE_DATA *Private;
HII_DATABASE_RECORD *DatabaseRecord;
HII_DATABASE_PACKAGE_LIST_INSTANCE *PackageListNode;
HII_STRING_PACKAGE_INSTANCE *StringPackage;
UINT32 HeaderSize;
UINT32 BlockSize;
UINT32 OldBlockSize;
UINT8 *StringBlock;
UINT8 *BlockPtr;
UINT32 Ucs2BlockSize;
UINT32 FontBlockSize;
UINT32 Ucs2FontBlockSize;
EFI_HII_SIBT_EXT2_BLOCK Ext2;
HII_FONT_INFO *LocalFont;
HII_GLOBAL_FONT_INFO *GlobalFont;
EFI_STRING_ID NewStringId;
EFI_STRING_ID NextStringId;
EFI_STRING_ID Index;
HII_STRING_PACKAGE_INSTANCE *MatchStringPackage;
BOOLEAN NewStringPackageCreated;
if (This == NULL || String == NULL || StringId == NULL || Language == NULL || PackageList == NULL) {
return EFI_INVALID_PARAMETER;
}
if (!IsHiiHandleValid (PackageList)) {
return EFI_NOT_FOUND;
}
Private = HII_STRING_DATABASE_PRIVATE_DATA_FROM_THIS (This);
GlobalFont = NULL;
//
// If StringFontInfo specify a paritcular font, it should exist in current database.
//
if (StringFontInfo != NULL) {
if (!IsFontInfoExisted (Private, (EFI_FONT_INFO *) StringFontInfo, NULL, NULL, &GlobalFont)) {
return EFI_INVALID_PARAMETER;
}
}
//
// Get the matching package list.
//
PackageListNode = NULL;
for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink) {
DatabaseRecord = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE);
if (DatabaseRecord->Handle == PackageList) {
PackageListNode = DatabaseRecord->PackageList;
break;
}
}
if (PackageListNode == NULL) {
return EFI_NOT_FOUND;
}
Status = EFI_SUCCESS;
NewStringPackageCreated = FALSE;
NewStringId = 0;
NextStringId = 0;
StringPackage = NULL;
MatchStringPackage = NULL;
for (Link = PackageListNode->StringPkgHdr.ForwardLink;
Link != &PackageListNode->StringPkgHdr;
Link = Link->ForwardLink
) {
StringPackage = CR (Link, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE);
//
// Create a string block and corresponding font block if exists, then append them
// to the end of the string package.
//
Status = FindStringBlock (
Private,
StringPackage,
0,
NULL,
NULL,
NULL,
&NextStringId,
NULL
);
if (EFI_ERROR (Status)) {
goto Done;
}
//
// Make sure that new StringId is same in all String Packages for the different language.
//
if (NewStringId != 0 && NewStringId != NextStringId) {
ASSERT (FALSE);
Status = EFI_INVALID_PARAMETER;
goto Done;
}
NewStringId = NextStringId;
//
// Get the matched string package with language.
//
if (HiiCompareLanguage (StringPackage->StringPkgHdr->Language, (CHAR8 *) Language)) {
MatchStringPackage = StringPackage;
} else {
OldBlockSize = StringPackage->StringPkgHdr->Header.Length - StringPackage->StringPkgHdr->HdrSize;
//
// Create a blank EFI_HII_SIBT_STRING_UCS2_BLOCK to reserve new string ID.
//
Ucs2BlockSize = (UINT32) sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK);
StringBlock = (UINT8 *) AllocateZeroPool (OldBlockSize + Ucs2BlockSize);
if (StringBlock == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Done;
}
//
// Copy original string blocks, except the EFI_HII_SIBT_END.
//
CopyMem (StringBlock, StringPackage->StringBlock, OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK));
//
// Create a blank EFI_HII_SIBT_STRING_UCS2 block
//
BlockPtr = StringBlock + OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK);
*BlockPtr = EFI_HII_SIBT_STRING_UCS2;
BlockPtr += sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK);
//
// Append a EFI_HII_SIBT_END block to the end.
//
*BlockPtr = EFI_HII_SIBT_END;
FreePool (StringPackage->StringBlock);
StringPackage->StringBlock = StringBlock;
StringPackage->StringPkgHdr->Header.Length += Ucs2BlockSize;
PackageListNode->PackageListHdr.PackageLength += Ucs2BlockSize;
}
}
if (NewStringId == 0) {
//
// No string package is found.
// Create new string package. StringId 1 is reserved for Language Name string.
//
*StringId = 2;
} else {
//
// Set new StringId
//
*StringId = (EFI_STRING_ID) (NewStringId + 1);
}
if (MatchStringPackage != NULL) {
StringPackage = MatchStringPackage;
} else {
//
// LanguageName is required to create a new string package.
//
if (LanguageName == NULL) {
Status = EFI_INVALID_PARAMETER;
goto Done;
}
StringPackage = AllocateZeroPool (sizeof (HII_STRING_PACKAGE_INSTANCE));
if (StringPackage == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Done;
}
StringPackage->Signature = HII_STRING_PACKAGE_SIGNATURE;
StringPackage->MaxStringId = *StringId;
StringPackage->FontId = 0;
InitializeListHead (&StringPackage->FontInfoList);
//
// Fill in the string package header
//
HeaderSize = (UINT32) (AsciiStrSize ((CHAR8 *) Language) - 1 + sizeof (EFI_HII_STRING_PACKAGE_HDR));
StringPackage->StringPkgHdr = AllocateZeroPool (HeaderSize);
if (StringPackage->StringPkgHdr == NULL) {
FreePool (StringPackage);
Status = EFI_OUT_OF_RESOURCES;
goto Done;
}
StringPackage->StringPkgHdr->Header.Type = EFI_HII_PACKAGE_STRINGS;
StringPackage->StringPkgHdr->HdrSize = HeaderSize;
StringPackage->StringPkgHdr->StringInfoOffset = HeaderSize;
CopyMem (StringPackage->StringPkgHdr->LanguageWindow, mLanguageWindow, 16 * sizeof (CHAR16));
StringPackage->StringPkgHdr->LanguageName = 1;
AsciiStrCpyS (StringPackage->StringPkgHdr->Language, (HeaderSize - OFFSET_OF(EFI_HII_STRING_PACKAGE_HDR,Language)) / sizeof (CHAR8), (CHAR8 *) Language);
//
// Calculate the length of the string blocks, including string block to record
// printable language full name and EFI_HII_SIBT_END_BLOCK.
//
Ucs2BlockSize = (UINT32) (StrSize ((CHAR16 *) LanguageName) +
(*StringId - 1) * sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK) - sizeof (CHAR16));
BlockSize = Ucs2BlockSize + sizeof (EFI_HII_SIBT_END_BLOCK);
StringPackage->StringBlock = (UINT8 *) AllocateZeroPool (BlockSize);
if (StringPackage->StringBlock == NULL) {
FreePool (StringPackage->StringPkgHdr);
FreePool (StringPackage);
Status = EFI_OUT_OF_RESOURCES;
goto Done;
}
//
// Insert the string block of printable language full name
//
BlockPtr = StringPackage->StringBlock;
*BlockPtr = EFI_HII_SIBT_STRING_UCS2;
BlockPtr += sizeof (EFI_HII_STRING_BLOCK);
CopyMem (BlockPtr, (EFI_STRING) LanguageName, StrSize ((EFI_STRING) LanguageName));
BlockPtr += StrSize ((EFI_STRING) LanguageName);
for (Index = 2; Index <= *StringId - 1; Index ++) {
*BlockPtr = EFI_HII_SIBT_STRING_UCS2;
BlockPtr += sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK);
}
//
// Insert the end block
//
*BlockPtr = EFI_HII_SIBT_END;
//
// Append this string package node to string package array in this package list.
//
StringPackage->StringPkgHdr->Header.Length = HeaderSize + BlockSize;
PackageListNode->PackageListHdr.PackageLength += StringPackage->StringPkgHdr->Header.Length;
InsertTailList (&PackageListNode->StringPkgHdr, &StringPackage->StringEntry);
NewStringPackageCreated = TRUE;
}
OldBlockSize = StringPackage->StringPkgHdr->Header.Length - StringPackage->StringPkgHdr->HdrSize;
if (StringFontInfo == NULL) {
//
// Create a EFI_HII_SIBT_STRING_UCS2_BLOCK since font info is not specified.
//
Ucs2BlockSize = (UINT32) (StrSize (String) + sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK)
- sizeof (CHAR16));
StringBlock = (UINT8 *) AllocateZeroPool (OldBlockSize + Ucs2BlockSize);
if (StringBlock == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Done;
}
//
// Copy original string blocks, except the EFI_HII_SIBT_END.
//
CopyMem (StringBlock, StringPackage->StringBlock, OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK));
//
// Create a EFI_HII_SIBT_STRING_UCS2 block
//
BlockPtr = StringBlock + OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK);
*BlockPtr = EFI_HII_SIBT_STRING_UCS2;
BlockPtr += sizeof (EFI_HII_STRING_BLOCK);
CopyMem (BlockPtr, (EFI_STRING) String, StrSize ((EFI_STRING) String));
BlockPtr += StrSize ((EFI_STRING) String);
//
// Append a EFI_HII_SIBT_END block to the end.
//
*BlockPtr = EFI_HII_SIBT_END;
FreePool (StringPackage->StringBlock);
StringPackage->StringBlock = StringBlock;
StringPackage->StringPkgHdr->Header.Length += Ucs2BlockSize;
PackageListNode->PackageListHdr.PackageLength += Ucs2BlockSize;
} else {
//
// StringFontInfo is specified here. If there is a EFI_HII_SIBT_FONT_BLOCK
// which refers to this font info, create a EFI_HII_SIBT_STRING_UCS2_FONT block
// only. Otherwise create a EFI_HII_SIBT_FONT block with a EFI_HII_SIBT_STRING
// _UCS2_FONT block.
//
Ucs2FontBlockSize = (UINT32) (StrSize (String) + sizeof (EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK) -
sizeof (CHAR16));
if (ReferFontInfoLocally (Private, StringPackage, StringPackage->FontId, FALSE, GlobalFont, &LocalFont)) {
//
// Create a EFI_HII_SIBT_STRING_UCS2_FONT block only.
//
StringBlock = (UINT8 *) AllocateZeroPool (OldBlockSize + Ucs2FontBlockSize);
if (StringBlock == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Done;
}
//
// Copy original string blocks, except the EFI_HII_SIBT_END.
//
CopyMem (StringBlock, StringPackage->StringBlock, OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK));
//
// Create a EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK
//
BlockPtr = StringBlock + OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK);
*BlockPtr = EFI_HII_SIBT_STRING_UCS2_FONT;
BlockPtr += sizeof (EFI_HII_STRING_BLOCK);
*BlockPtr = LocalFont->FontId;
BlockPtr ++;
CopyMem (BlockPtr, (EFI_STRING) String, StrSize ((EFI_STRING) String));
BlockPtr += StrSize ((EFI_STRING) String);
//
// Append a EFI_HII_SIBT_END block to the end.
//
*BlockPtr = EFI_HII_SIBT_END;
FreePool (StringPackage->StringBlock);
StringPackage->StringBlock = StringBlock;
StringPackage->StringPkgHdr->Header.Length += Ucs2FontBlockSize;
PackageListNode->PackageListHdr.PackageLength += Ucs2FontBlockSize;
} else {
//
// EFI_HII_SIBT_FONT_BLOCK does not exist in current string package, so
// create a EFI_HII_SIBT_FONT block to record the font info, then generate
// a EFI_HII_SIBT_STRING_UCS2_FONT block to record the incoming string.
//
FontBlockSize = (UINT32) (StrSize (((EFI_FONT_INFO *) StringFontInfo)->FontName) +
sizeof (EFI_HII_SIBT_FONT_BLOCK) - sizeof (CHAR16));
StringBlock = (UINT8 *) AllocateZeroPool (OldBlockSize + FontBlockSize + Ucs2FontBlockSize);
if (StringBlock == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Done;
}
//
// Copy original string blocks, except the EFI_HII_SIBT_END.
//
CopyMem (StringBlock, StringPackage->StringBlock, OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK));
//
// Create a EFI_HII_SIBT_FONT block firstly and then backup its info in string
// package instance for future reference.
//
BlockPtr = StringBlock + OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK);
Ext2.Header.BlockType = EFI_HII_SIBT_EXT2;
Ext2.BlockType2 = EFI_HII_SIBT_FONT;
Ext2.Length = (UINT16) FontBlockSize;
CopyMem (BlockPtr, &Ext2, sizeof (EFI_HII_SIBT_EXT2_BLOCK));
BlockPtr += sizeof (EFI_HII_SIBT_EXT2_BLOCK);
*BlockPtr = LocalFont->FontId;
BlockPtr ++;
CopyMem (BlockPtr, &((EFI_FONT_INFO *) StringFontInfo)->FontSize, sizeof (UINT16));
BlockPtr += sizeof (UINT16);
CopyMem (BlockPtr, &((EFI_FONT_INFO *) StringFontInfo)->FontStyle, sizeof (EFI_HII_FONT_STYLE));
BlockPtr += sizeof (EFI_HII_FONT_STYLE);
CopyMem (
BlockPtr,
&((EFI_FONT_INFO *) StringFontInfo)->FontName,
StrSize (((EFI_FONT_INFO *) StringFontInfo)->FontName)
);
BlockPtr += StrSize (((EFI_FONT_INFO *) StringFontInfo)->FontName);
//
// Create a EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK
//
*BlockPtr = EFI_HII_SIBT_STRING_UCS2_FONT;
BlockPtr += sizeof (EFI_HII_STRING_BLOCK);
*BlockPtr = LocalFont->FontId;
BlockPtr ++;
CopyMem (BlockPtr, (EFI_STRING) String, StrSize ((EFI_STRING) String));
BlockPtr += StrSize ((EFI_STRING) String);
//
// Append a EFI_HII_SIBT_END block to the end.
//
*BlockPtr = EFI_HII_SIBT_END;
FreePool (StringPackage->StringBlock);
StringPackage->StringBlock = StringBlock;
StringPackage->StringPkgHdr->Header.Length += FontBlockSize + Ucs2FontBlockSize;
PackageListNode->PackageListHdr.PackageLength += FontBlockSize + Ucs2FontBlockSize;
//
// Increase the FontId to make it unique since we already add
// a EFI_HII_SIBT_FONT block to this string package.
//
StringPackage->FontId++;
}
}
Done:
if (!EFI_ERROR (Status) && NewStringPackageCreated) {
//
// Trigger any registered notification function for new string package
//
Status = InvokeRegisteredFunction (
Private,
EFI_HII_DATABASE_NOTIFY_NEW_PACK,
(VOID *) StringPackage,
EFI_HII_PACKAGE_STRINGS,
PackageList
);
}
if (!EFI_ERROR (Status)) {
//
// Update MaxString Id to new StringId
//
for (Link = PackageListNode->StringPkgHdr.ForwardLink;
Link != &PackageListNode->StringPkgHdr;
Link = Link->ForwardLink
) {
StringPackage = CR (Link, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE);
StringPackage->MaxStringId = *StringId;
}
} else if (NewStringPackageCreated) {
//
// Free the allocated new string Package when new string can't be added.
//
RemoveEntryList (&StringPackage->StringEntry);
FreePool (StringPackage->StringBlock);
FreePool (StringPackage->StringPkgHdr);
FreePool (StringPackage);
}
return Status;
}
/**
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.
@retval EFI_NOT_FOUND The string specified by StringId is available but
not in the specified language.
The specified PackageList is not in the database.
@retval EFI_INVALID_LANGUAGE - The string specified by StringId is available but
@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.
**/
EFI_STATUS
EFIAPI
HiiGetString (
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
)
{
EFI_STATUS Status;
LIST_ENTRY *Link;
HII_DATABASE_PRIVATE_DATA *Private;
HII_DATABASE_RECORD *DatabaseRecord;
HII_DATABASE_PACKAGE_LIST_INSTANCE *PackageListNode;
HII_STRING_PACKAGE_INSTANCE *StringPackage;
if (This == NULL || Language == NULL || StringId < 1 || StringSize == NULL || PackageList == NULL) {
return EFI_INVALID_PARAMETER;
}
if (String == NULL && *StringSize != 0) {
return EFI_INVALID_PARAMETER;
}
if (!IsHiiHandleValid (PackageList)) {
return EFI_NOT_FOUND;
}
Private = HII_STRING_DATABASE_PRIVATE_DATA_FROM_THIS (This);
PackageListNode = NULL;
for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink) {
DatabaseRecord = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE);
if (DatabaseRecord->Handle == PackageList) {
PackageListNode = DatabaseRecord->PackageList;
break;
}
}
if (PackageListNode != NULL) {
//
// First search: to match the StringId in the specified language.
//
for (Link = PackageListNode->StringPkgHdr.ForwardLink;
Link != &PackageListNode->StringPkgHdr;
Link = Link->ForwardLink
) {
StringPackage = CR (Link, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE);
if (HiiCompareLanguage (StringPackage->StringPkgHdr->Language, (CHAR8 *) Language)) {
Status = GetStringWorker (Private, StringPackage, StringId, String, StringSize, StringFontInfo);
if (Status != EFI_NOT_FOUND) {
return Status;
}
}
}
//
// Second search: to match the StringId in other available languages if exist.
//
for (Link = PackageListNode->StringPkgHdr.ForwardLink;
Link != &PackageListNode->StringPkgHdr;
Link = Link->ForwardLink
) {
StringPackage = CR (Link, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE);
Status = GetStringWorker (Private, StringPackage, StringId, NULL, NULL, NULL);
if (!EFI_ERROR (Status)) {
return EFI_INVALID_LANGUAGE;
}
}
}
return EFI_NOT_FOUND;
}
/**
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.
**/
EFI_STATUS
EFIAPI
HiiSetString (
IN CONST EFI_HII_STRING_PROTOCOL *This,
IN EFI_HII_HANDLE PackageList,
IN EFI_STRING_ID StringId,
IN CONST CHAR8 *Language,
IN CONST EFI_STRING String,
IN CONST EFI_FONT_INFO *StringFontInfo OPTIONAL
)
{
EFI_STATUS Status;
LIST_ENTRY *Link;
HII_DATABASE_PRIVATE_DATA *Private;
HII_DATABASE_RECORD *DatabaseRecord;
HII_DATABASE_PACKAGE_LIST_INSTANCE *PackageListNode;
HII_STRING_PACKAGE_INSTANCE *StringPackage;
UINT32 OldPackageLen;
if (This == NULL || Language == NULL || StringId < 1 || String == NULL || PackageList == NULL) {
return EFI_INVALID_PARAMETER;
}
if (!IsHiiHandleValid (PackageList)) {
return EFI_NOT_FOUND;
}
Private = HII_STRING_DATABASE_PRIVATE_DATA_FROM_THIS (This);
PackageListNode = NULL;
for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink) {
DatabaseRecord = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE);
if (DatabaseRecord->Handle == PackageList) {
PackageListNode = (HII_DATABASE_PACKAGE_LIST_INSTANCE *) (DatabaseRecord->PackageList);
}
}
if (PackageListNode != NULL) {
for (Link = PackageListNode->StringPkgHdr.ForwardLink;
Link != &PackageListNode->StringPkgHdr;
Link = Link->ForwardLink
) {
StringPackage = CR (Link, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE);
if (HiiCompareLanguage (StringPackage->StringPkgHdr->Language, (CHAR8 *) Language)) {
OldPackageLen = StringPackage->StringPkgHdr->Header.Length;
Status = SetStringWorker (
Private,
StringPackage,
StringId,
(EFI_STRING) String,
(EFI_FONT_INFO *) StringFontInfo
);
if (EFI_ERROR (Status)) {
return Status;
}
PackageListNode->PackageListHdr.PackageLength += StringPackage->StringPkgHdr->Header.Length - OldPackageLen;
return EFI_SUCCESS;
}
}
}
return EFI_NOT_FOUND;
}
/**
This function returns the list of supported languages, in the format specified
in Appendix M of UEFI 2.1 spec.
@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.
**/
EFI_STATUS
EFIAPI
HiiGetLanguages (
IN CONST EFI_HII_STRING_PROTOCOL *This,
IN EFI_HII_HANDLE PackageList,
IN OUT CHAR8 *Languages,
IN OUT UINTN *LanguagesSize
)
{
LIST_ENTRY *Link;
HII_DATABASE_PRIVATE_DATA *Private;
HII_DATABASE_RECORD *DatabaseRecord;
HII_DATABASE_PACKAGE_LIST_INSTANCE *PackageListNode;
HII_STRING_PACKAGE_INSTANCE *StringPackage;
UINTN ResultSize;
if (This == NULL || LanguagesSize == NULL || PackageList == NULL) {
return EFI_INVALID_PARAMETER;
}
if (*LanguagesSize != 0 && Languages == NULL) {
return EFI_INVALID_PARAMETER;
}
if (!IsHiiHandleValid (PackageList)) {
return EFI_NOT_FOUND;
}
Private = HII_STRING_DATABASE_PRIVATE_DATA_FROM_THIS (This);
PackageListNode = NULL;
for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink) {
DatabaseRecord = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE);
if (DatabaseRecord->Handle == PackageList) {
PackageListNode = DatabaseRecord->PackageList;
break;
}
}
if (PackageListNode == NULL) {
return EFI_NOT_FOUND;
}
//
// Search the languages in the specified packagelist.
//
ResultSize = 0;
for (Link = PackageListNode->StringPkgHdr.ForwardLink;
Link != &PackageListNode->StringPkgHdr;
Link = Link->ForwardLink
) {
StringPackage = CR (Link, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE);
ResultSize += AsciiStrSize (StringPackage->StringPkgHdr->Language);
if (ResultSize <= *LanguagesSize) {
AsciiStrCpyS (Languages, *LanguagesSize / sizeof (CHAR8), StringPackage->StringPkgHdr->Language);
Languages += AsciiStrSize (StringPackage->StringPkgHdr->Language);
*(Languages - 1) = L';';
}
}
if (ResultSize == 0) {
return EFI_NOT_FOUND;
}
if (*LanguagesSize < ResultSize) {
*LanguagesSize = ResultSize;
return EFI_BUFFER_TOO_SMALL;
}
*(Languages - 1) = 0;
return EFI_SUCCESS;
}
/**
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.
**/
EFI_STATUS
EFIAPI
HiiGetSecondaryLanguages (
IN CONST EFI_HII_STRING_PROTOCOL *This,
IN EFI_HII_HANDLE PackageList,
IN CONST CHAR8 *PrimaryLanguage,
IN OUT CHAR8 *SecondaryLanguages,
IN OUT UINTN *SecondaryLanguagesSize
)
{
LIST_ENTRY *Link;
LIST_ENTRY *Link1;
HII_DATABASE_PRIVATE_DATA *Private;
HII_DATABASE_RECORD *DatabaseRecord;
HII_DATABASE_PACKAGE_LIST_INSTANCE *PackageListNode;
HII_STRING_PACKAGE_INSTANCE *StringPackage;
CHAR8 *Languages;
UINTN ResultSize;
if (This == NULL || PackageList == NULL || PrimaryLanguage == NULL || SecondaryLanguagesSize == NULL) {
return EFI_INVALID_PARAMETER;
}
if (SecondaryLanguages == NULL && *SecondaryLanguagesSize != 0) {
return EFI_INVALID_PARAMETER;
}
if (!IsHiiHandleValid (PackageList)) {
return EFI_NOT_FOUND;
}
Private = HII_STRING_DATABASE_PRIVATE_DATA_FROM_THIS (This);
PackageListNode = NULL;
for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink) {
DatabaseRecord = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE);
if (DatabaseRecord->Handle == PackageList) {
PackageListNode = (HII_DATABASE_PACKAGE_LIST_INSTANCE *) (DatabaseRecord->PackageList);
break;
}
}
if (PackageListNode == NULL) {
return EFI_NOT_FOUND;
}
Languages = NULL;
ResultSize = 0;
for (Link1 = PackageListNode->StringPkgHdr.ForwardLink;
Link1 != &PackageListNode->StringPkgHdr;
Link1 = Link1->ForwardLink
) {
StringPackage = CR (Link1, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE);
if (HiiCompareLanguage (StringPackage->StringPkgHdr->Language, (CHAR8 *) PrimaryLanguage)) {
Languages = StringPackage->StringPkgHdr->Language;
//
// Language is a series of ';' terminated strings, first one is primary
// language and following with other secondary languages or NULL if no
// secondary languages any more.
//
Languages = AsciiStrStr (Languages, ";");
if (Languages == NULL) {
break;
}
Languages++;
ResultSize = AsciiStrSize (Languages);
if (ResultSize <= *SecondaryLanguagesSize) {
AsciiStrCpyS (SecondaryLanguages, *SecondaryLanguagesSize / sizeof (CHAR8), Languages);
} else {
*SecondaryLanguagesSize = ResultSize;
return EFI_BUFFER_TOO_SMALL;
}
return EFI_SUCCESS;
}
}
return EFI_INVALID_LANGUAGE;
}
/**
Converts the ascii character of the string from uppercase to lowercase.
This is a internal function.
@param ConfigString String to be converted
**/
VOID
EFIAPI
AsciiHiiToLower (
IN CHAR8 *ConfigString
)
{
ASSERT (ConfigString != NULL);
//
// Convert all hex digits in range [A-F] in the configuration header to [a-f]
//
for (; *ConfigString != '\0'; ConfigString++) {
if ( *ConfigString >= 'A' && *ConfigString <= 'Z') {
*ConfigString = (CHAR8) (*ConfigString - 'A' + 'a');
}
}
}
/**
Compare whether two names of languages are identical.
@param Language1 Name of language 1 from StringPackage
@param Language2 Name of language 2 to be compared with language 1.
@retval TRUE same
@retval FALSE not same
**/
BOOLEAN
HiiCompareLanguage (
IN CHAR8 *Language1,
IN CHAR8 *Language2
)
{
UINTN Index;
UINTN StrLen;
CHAR8 *Lan1;
CHAR8 *Lan2;
//
// Convert to lower to compare.
//
StrLen = AsciiStrSize (Language1);
Lan1 = AllocateZeroPool (StrLen);
ASSERT (Lan1 != NULL);
AsciiStrCpyS(Lan1, StrLen / sizeof (CHAR8), Language1);
AsciiHiiToLower (Lan1);
StrLen = AsciiStrSize (Language2);
Lan2 = AllocateZeroPool (StrLen);
ASSERT (Lan2 != NULL);
AsciiStrCpyS(Lan2, StrLen / sizeof (CHAR8), Language2);
AsciiHiiToLower (Lan2);
//
// Compare the Primary Language in Language1 to Language2
//
for (Index = 0; Lan1[Index] != 0 && Lan1[Index] != ';'; Index++) {
if (Lan1[Index] != Lan2[Index]) {
//
// Return FALSE if any characters are different.
//
FreePool (Lan1);
FreePool (Lan2);
return FALSE;
}
}
FreePool (Lan1);
FreePool (Lan2);
//
// Only return TRUE if Language2[Index] is a Null-terminator which means
// the Primary Language in Language1 is the same length as Language2. If
// Language2[Index] is not a Null-terminator, then Language2 is longer than
// the Primary Language in Language1, and FALSE must be returned.
//
return (BOOLEAN) (Language2[Index] == 0);
}