mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-30 12:43:41 +01:00
260 lines
7.4 KiB
C++
260 lines
7.4 KiB
C++
/*
|
|
* guid.h
|
|
*
|
|
* Created on: 16 Apr 2020
|
|
* Author: jief
|
|
*/
|
|
|
|
#ifndef PLATFORM_GUID_H_
|
|
#define PLATFORM_GUID_H_
|
|
|
|
#include "Utils.h"
|
|
#include "../cpp_foundation/XStringArray.h"
|
|
#include "../cpp_foundation/unicode_conversions.h"
|
|
|
|
extern "C" {
|
|
#include <Uefi/UefiBaseType.h> // for EFI_GUID
|
|
}
|
|
|
|
extern "C" EFI_GUID gEfiMiscSubClassGuid;
|
|
|
|
/*
|
|
* Wrapper class to bring some syntaxic sugar : initialisation at construction, assignment, == operator, etc.
|
|
*/
|
|
class EFI_GUIDClass : public EFI_GUID
|
|
{
|
|
public:
|
|
EFI_GUIDClass() { Data1 = 0; Data2 = 0; Data3 = 0; memset(Data4, 0, sizeof(Data4)); }
|
|
|
|
EFI_GUIDClass(const EFI_GUID& other) { Data1 = other.Data1; Data2 = other.Data2; Data3 = other.Data3; memcpy(Data4, other.Data4, sizeof(Data4)); }
|
|
|
|
bool operator == (const EFI_GUID& other) const {
|
|
if ( !(Data1 == other.Data1) ) return false;
|
|
if ( !(Data2 == other.Data2) ) return false;
|
|
if ( !(Data3 == other.Data3) ) return false;
|
|
if ( !(memcmp(Data4, other.Data4, sizeof(Data4)) == 0) ) return false;
|
|
return true;
|
|
}
|
|
};
|
|
|
|
extern const XString8 nullGuidAsString;
|
|
extern EFI_GUID nullGuid;
|
|
|
|
/** Returns TRUE is Str is ascii Guid in format xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx */
|
|
template <typename T, typename IntegralType, enable_if( is_char(T) && is_integral(IntegralType) ) >
|
|
BOOLEAN IsValidGuidString(const T* Str, IntegralType n)
|
|
{
|
|
UINTN Index4IsValidGuidAsciiString; // stupid name to avoid warning : Declaration shadows a variable in the global namespace
|
|
|
|
if ( n != 36 ) {
|
|
return FALSE;
|
|
}
|
|
|
|
for (Index4IsValidGuidAsciiString = 0; Index4IsValidGuidAsciiString < 36; Index4IsValidGuidAsciiString++) {
|
|
if (Index4IsValidGuidAsciiString == 8 || Index4IsValidGuidAsciiString == 13 || Index4IsValidGuidAsciiString == 18 || Index4IsValidGuidAsciiString == 23) {
|
|
if (Str[Index4IsValidGuidAsciiString] != '-') {
|
|
return FALSE;
|
|
}
|
|
} else {
|
|
if (!(
|
|
(Str[Index4IsValidGuidAsciiString] >= '0' && Str[Index4IsValidGuidAsciiString] <= '9')
|
|
|| (Str[Index4IsValidGuidAsciiString] >= 'a' && Str[Index4IsValidGuidAsciiString] <= 'f')
|
|
|| (Str[Index4IsValidGuidAsciiString] >= 'A' && Str[Index4IsValidGuidAsciiString] <= 'F')
|
|
)
|
|
)
|
|
{
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/** Returns TRUE is Str is ascii Guid in format xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx */
|
|
template <typename T, enable_if( is___String(T) )>
|
|
BOOLEAN IsValidGuidString(const T& Str)
|
|
{
|
|
if ( Str.isEmpty() ) return false;
|
|
return IsValidGuidString(Str.data(), Str.length());
|
|
}
|
|
|
|
///** Returns TRUE is Str is ascii Guid in format xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx */
|
|
//template <typename T, enable_if( is___String(T) )>
|
|
//BOOLEAN IsValidGuidAsciiString(const T& Str)
|
|
//{
|
|
// UINTN Index4IsValidGuidAsciiString; // stupid name to avoid warning : Declaration shadows a variable in the global namespace
|
|
//
|
|
// if ( Str.length() != 36 ) {
|
|
// return FALSE;
|
|
// }
|
|
//
|
|
// for (Index4IsValidGuidAsciiString = 0; Index4IsValidGuidAsciiString < 36; Index4IsValidGuidAsciiString++) {
|
|
// if (Index4IsValidGuidAsciiString == 8 || Index4IsValidGuidAsciiString == 13 || Index4IsValidGuidAsciiString == 18 || Index4IsValidGuidAsciiString == 23) {
|
|
// if (Str[Index4IsValidGuidAsciiString] != '-') {
|
|
// return FALSE;
|
|
// }
|
|
// } else {
|
|
// if (!(
|
|
// (Str[Index4IsValidGuidAsciiString] >= '0' && Str[Index4IsValidGuidAsciiString] <= '9')
|
|
// || (Str[Index4IsValidGuidAsciiString] >= 'a' && Str[Index4IsValidGuidAsciiString] <= 'f')
|
|
// || (Str[Index4IsValidGuidAsciiString] >= 'A' && Str[Index4IsValidGuidAsciiString] <= 'F')
|
|
// )
|
|
// )
|
|
// {
|
|
// return FALSE;
|
|
// }
|
|
// }
|
|
// }
|
|
//
|
|
// return TRUE;
|
|
//}
|
|
|
|
|
|
template <typename T, enable_if( is_char_ptr(T) || is___String(T) )>
|
|
EFI_STATUS
|
|
StrHToBuf (
|
|
OUT UINT8 *Buf,
|
|
IN UINTN BufferLength,
|
|
const T& t
|
|
)
|
|
{
|
|
UINTN Index4IsValidGuidAsciiString; // stupid name to avoid warning : Declaration shadows a variable in the global namespace
|
|
UINTN StrLength;
|
|
UINT8 Digit;
|
|
UINT8 Byte;
|
|
|
|
Digit = 0;
|
|
auto Str = _xstringarray__char_type<T>::getCharPtr(t);
|
|
|
|
//
|
|
// Two hex char make up one byte
|
|
//
|
|
StrLength = BufferLength * sizeof (CHAR16);
|
|
|
|
for(Index4IsValidGuidAsciiString = 0; Index4IsValidGuidAsciiString < StrLength; Index4IsValidGuidAsciiString++) {
|
|
|
|
if ((Str[Index4IsValidGuidAsciiString] >= (decltype(*Str))'a') && (Str[Index4IsValidGuidAsciiString] <= (decltype(*Str))'f')) {
|
|
Digit = (UINT8) (Str[Index4IsValidGuidAsciiString] - (decltype(*Str))'a' + 0x0A);
|
|
} else if ((Str[Index4IsValidGuidAsciiString] >= (decltype(*Str))'A') && (Str[Index4IsValidGuidAsciiString] <= (decltype(*Str))'F')) {
|
|
Digit = (UINT8) (Str[Index4IsValidGuidAsciiString] - L'A' + 0x0A);
|
|
} else if ((Str[Index4IsValidGuidAsciiString] >= (decltype(*Str))'0') && (Str[Index4IsValidGuidAsciiString] <= (decltype(*Str))'9')) {
|
|
Digit = (UINT8) (Str[Index4IsValidGuidAsciiString] - (decltype(*Str))'0');
|
|
} else {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
//
|
|
// For odd characters, write the upper nibble for each buffer byte,
|
|
// and for even characters, the lower nibble.
|
|
//
|
|
if ((Index4IsValidGuidAsciiString & 1) == 0) {
|
|
Byte = (UINT8) (Digit << 4);
|
|
} else {
|
|
Byte = Buf[Index4IsValidGuidAsciiString / 2];
|
|
Byte &= 0xF0;
|
|
Byte = (UINT8) (Byte | Digit);
|
|
}
|
|
|
|
Buf[Index4IsValidGuidAsciiString / 2] = Byte;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Convert a string to a GUID.
|
|
* First parameter can by of one of these type : char*, char16_t*, char32_t*, wchar_t*, XString8, XString16, XString32, XStringW
|
|
*/
|
|
template <typename T, enable_if( is_char_ptr(T) || is___String(T) )>
|
|
EFI_STATUS
|
|
StrToGuidBE (
|
|
const T& t,
|
|
OUT EFI_GUID *Guid
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
UINT8 GuidLE[16];
|
|
|
|
if ( Guid == NULL ) {
|
|
log_technical_bug("%s : call with Guid==NULL", __PRETTY_FUNCTION__);
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
auto Str = _xstringarray__char_type<T>::getCharPtr(t);
|
|
|
|
if ( Str == NULL ) {
|
|
memset(Guid, 0, sizeof(EFI_GUID));
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
|
|
Status = StrHToBuf (&GuidLE[0], 4, Str);
|
|
if ( Status != EFI_SUCCESS ) return Status;
|
|
|
|
while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
|
|
Str ++;
|
|
}
|
|
|
|
if (IS_HYPHEN (*Str)) {
|
|
Str++;
|
|
} else {
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
Status = StrHToBuf (&GuidLE[4], 2, Str);
|
|
if ( Status != EFI_SUCCESS ) return Status;
|
|
while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
|
|
Str ++;
|
|
}
|
|
|
|
if (IS_HYPHEN (*Str)) {
|
|
Str++;
|
|
} else {
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
Status = StrHToBuf (&GuidLE[6], 2, Str);
|
|
if ( Status != EFI_SUCCESS ) return Status;
|
|
while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
|
|
Str ++;
|
|
}
|
|
|
|
if (IS_HYPHEN (*Str)) {
|
|
Str++;
|
|
} else {
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
Status = StrHToBuf (&GuidLE[8], 2, Str);
|
|
if ( Status != EFI_SUCCESS ) return Status;
|
|
while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
|
|
Str ++;
|
|
}
|
|
|
|
if (IS_HYPHEN (*Str)) {
|
|
Str++;
|
|
} else {
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
Status = StrHToBuf (&GuidLE[10], 6, Str);
|
|
if ( Status != EFI_SUCCESS ) return Status;
|
|
|
|
if (Guid) {
|
|
memcpy((UINT8*)Guid, &GuidLE[0], sizeof(EFI_GUID));
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
|
|
XString8 GuidBeToXString8(const EFI_GUID& Guid);
|
|
XStringW GuidBeToXStringW(const EFI_GUID& Guid);
|
|
XString8 GuidLEToXString8(const EFI_GUID& Guid);
|
|
XStringW GuidLEToXStringW(const EFI_GUID& Guid);
|
|
|
|
|
|
|
|
#endif /* PLATFORM_GUID_H_ */
|