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/** @file
Unicode Collation protocol that follows the UEFI 2.0 specification.
This protocol is used to allow code running in the boot services environment
to perform lexical comparison functions on Unicode strings for given languages.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __UNICODE_COLLATION_H__
#define __UNICODE_COLLATION_H__
FILE_LICENCE ( BSD2_PATENT );
#define EFI_UNICODE_COLLATION_PROTOCOL_GUID \
{ \
0x1d85cd7f, 0xf43d, 0x11d2, {0x9a, 0xc, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d } \
}
#define EFI_UNICODE_COLLATION_PROTOCOL2_GUID \
{ \
0xa4c751fc, 0x23ae, 0x4c3e, {0x92, 0xe9, 0x49, 0x64, 0xcf, 0x63, 0xf3, 0x49 } \
}
typedef struct _EFI_UNICODE_COLLATION_PROTOCOL EFI_UNICODE_COLLATION_PROTOCOL;
///
/// Protocol GUID name defined in EFI1.1.
///
#define UNICODE_COLLATION_PROTOCOL EFI_UNICODE_COLLATION_PROTOCOL_GUID
///
/// Protocol defined in EFI1.1.
///
typedef EFI_UNICODE_COLLATION_PROTOCOL UNICODE_COLLATION_INTERFACE;
///
/// Protocol data structures and defines
///
#define EFI_UNICODE_BYTE_ORDER_MARK (CHAR16) (0xfeff)
//
// Protocol member functions
//
/**
Performs a case-insensitive comparison of two Null-terminated strings.
@param This A pointer to the EFI_UNICODE_COLLATION_PROTOCOL instance.
@param Str1 A pointer to a Null-terminated string.
@param Str2 A pointer to a Null-terminated string.
@retval 0 Str1 is equivalent to Str2.
@retval >0 Str1 is lexically greater than Str2.
@retval <0 Str1 is lexically less than Str2.
**/
typedef
INTN
(EFIAPI *EFI_UNICODE_COLLATION_STRICOLL)(
IN EFI_UNICODE_COLLATION_PROTOCOL *This,
IN CHAR16 *Str1,
IN CHAR16 *Str2
);
/**
Performs a case-insensitive comparison of a Null-terminated
pattern string and a Null-terminated string.
@param This A pointer to the EFI_UNICODE_COLLATION_PROTOCOL instance.
@param String A pointer to a Null-terminated string.
@param Pattern A pointer to a Null-terminated pattern string.
@retval TRUE Pattern was found in String.
@retval FALSE Pattern was not found in String.
**/
typedef
BOOLEAN
(EFIAPI *EFI_UNICODE_COLLATION_METAIMATCH)(
IN EFI_UNICODE_COLLATION_PROTOCOL *This,
IN CHAR16 *String,
IN CHAR16 *Pattern
);
/**
Converts all the characters in a Null-terminated string to
lower case characters.
@param This A pointer to the EFI_UNICODE_COLLATION_PROTOCOL instance.
@param String A pointer to a Null-terminated string.
**/
typedef
VOID
(EFIAPI *EFI_UNICODE_COLLATION_STRLWR)(
IN EFI_UNICODE_COLLATION_PROTOCOL *This,
IN OUT CHAR16 *Str
);
/**
Converts all the characters in a Null-terminated string to upper
case characters.
@param This A pointer to the EFI_UNICODE_COLLATION_PROTOCOL instance.
@param String A pointer to a Null-terminated string.
**/
typedef
VOID
(EFIAPI *EFI_UNICODE_COLLATION_STRUPR)(
IN EFI_UNICODE_COLLATION_PROTOCOL *This,
IN OUT CHAR16 *Str
);
/**
Converts an 8.3 FAT file name in an OEM character set to a Null-terminated
string.
@param This A pointer to the EFI_UNICODE_COLLATION_PROTOCOL instance.
@param FatSize The size of the string Fat in bytes.
@param Fat A pointer to a Null-terminated string that contains an 8.3 file
name using an 8-bit OEM character set.
@param String A pointer to a Null-terminated string. The string must
be allocated in advance to hold FatSize characters.
**/
typedef
VOID
(EFIAPI *EFI_UNICODE_COLLATION_FATTOSTR)(
IN EFI_UNICODE_COLLATION_PROTOCOL *This,
IN UINTN FatSize,
IN CHAR8 *Fat,
OUT CHAR16 *String
);
/**
Converts a Null-terminated string to legal characters in a FAT
filename using an OEM character set.
@param This A pointer to the EFI_UNICODE_COLLATION_PROTOCOL instance.
@param String A pointer to a Null-terminated string.
@param FatSize The size of the string Fat in bytes.
@param Fat A pointer to a string that contains the converted version of
String using legal FAT characters from an OEM character set.
@retval TRUE One or more conversions failed and were substituted with '_'
@retval FALSE None of the conversions failed.
**/
typedef
BOOLEAN
(EFIAPI *EFI_UNICODE_COLLATION_STRTOFAT)(
IN EFI_UNICODE_COLLATION_PROTOCOL *This,
IN CHAR16 *String,
IN UINTN FatSize,
OUT CHAR8 *Fat
);
///
/// The EFI_UNICODE_COLLATION_PROTOCOL is used to perform case-insensitive
/// comparisons of strings.
///
struct _EFI_UNICODE_COLLATION_PROTOCOL {
EFI_UNICODE_COLLATION_STRICOLL StriColl;
EFI_UNICODE_COLLATION_METAIMATCH MetaiMatch;
EFI_UNICODE_COLLATION_STRLWR StrLwr;
EFI_UNICODE_COLLATION_STRUPR StrUpr;
//
// for supporting fat volumes
//
EFI_UNICODE_COLLATION_FATTOSTR FatToStr;
EFI_UNICODE_COLLATION_STRTOFAT StrToFat;
///
/// A Null-terminated ASCII string array that contains one or more language codes.
/// When this field is used for UnicodeCollation2, it is specified in RFC 4646 format.
/// When it is used for UnicodeCollation, it is specified in ISO 639-2 format.
///
CHAR8 *SupportedLanguages;
};
extern EFI_GUID gEfiUnicodeCollationProtocolGuid;
extern EFI_GUID gEfiUnicodeCollation2ProtocolGuid;
#endif
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