mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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d4b3fb9b7a
Remove PRINTF_EMIT_CR=1. ReleaseDate wrongly had a \n at the end. Bug in utf8_stringnn_from_utf16_string. XString replaceAll(XString,XString) function.
179 lines
3.9 KiB
C++
179 lines
3.9 KiB
C++
/*
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* guid.h
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*
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* Created on: 16 Apr 2020
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* Author: jief
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*/
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#ifndef PLATFORM_GUID_H_
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#define PLATFORM_GUID_H_
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#include "../cpp_foundation/unicode_conversions.h"
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/** Returns TRUE is Str is ascii Guid in format xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx */
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template <typename T, enable_if( is___String(T) )>
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BOOLEAN IsValidGuidAsciiString(const T& Str)
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{
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UINTN Index;
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if ( Str.length() != 36 ) {
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return FALSE;
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}
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for (Index = 0; Index < 36; Index++) {
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if (Index == 8 || Index == 13 || Index == 18 || Index == 23) {
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if (Str[Index] != '-') {
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return FALSE;
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}
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} else {
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if (!(
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(Str[Index] >= '0' && Str[Index] <= '9')
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|| (Str[Index] >= 'a' && Str[Index] <= 'f')
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|| (Str[Index] >= 'A' && Str[Index] <= 'F')
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)
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)
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{
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return FALSE;
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}
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}
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}
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return TRUE;
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}
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template <typename T, enable_if( is_char_ptr(T) || is___String(T) )>
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EFI_STATUS
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StrHToBuf (
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OUT UINT8 *Buf,
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IN UINTN BufferLength,
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const T& t
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)
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{
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UINTN Index;
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UINTN StrLength;
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UINT8 Digit;
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UINT8 Byte;
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Digit = 0;
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auto Str = _xstringarray__char_type<T>::getCharPtr(t);
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//
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// Two hex char make up one byte
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//
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StrLength = BufferLength * sizeof (CHAR16);
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for(Index = 0; Index < StrLength; Index++) {
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if ((Str[Index] >= (__typeof__(*Str))'a') && (Str[Index] <= (__typeof__(*Str))'f')) {
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Digit = (UINT8) (Str[Index] - (__typeof__(*Str))'a' + 0x0A);
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} else if ((Str[Index] >= (__typeof__(*Str))'A') && (Str[Index] <= (__typeof__(*Str))'F')) {
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Digit = (UINT8) (Str[Index] - L'A' + 0x0A);
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} else if ((Str[Index] >= (__typeof__(*Str))'0') && (Str[Index] <= (__typeof__(*Str))'9')) {
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Digit = (UINT8) (Str[Index] - (__typeof__(*Str))'0');
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} else {
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return EFI_INVALID_PARAMETER;
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}
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//
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// For odd characters, write the upper nibble for each buffer byte,
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// and for even characters, the lower nibble.
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//
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if ((Index & 1) == 0) {
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Byte = (UINT8) (Digit << 4);
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} else {
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Byte = Buf[Index / 2];
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Byte &= 0xF0;
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Byte = (UINT8) (Byte | Digit);
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}
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Buf[Index / 2] = Byte;
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}
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return EFI_SUCCESS;
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}
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/*
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* Convert a string to a GUID.
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* First parameter can by of one of these type : char*, char16_t*, char32_t*, wchar_t*, XString8, XString16, XString32, XStringW
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*/
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template <typename T, enable_if( is_char_ptr(T) || is___String(T) )>
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EFI_STATUS
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StrToGuidLE (
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const T& t,
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OUT EFI_GUID *Guid
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)
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{
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EFI_STATUS Status;
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UINT8 GuidLE[16];
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auto Str = _xstringarray__char_type<T>::getCharPtr(t);
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Status = StrHToBuf (&GuidLE[0], 4, Str);
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if ( Status != EFI_SUCCESS ) return Status;
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while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
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Str ++;
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}
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if (IS_HYPHEN (*Str)) {
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Str++;
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} else {
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return EFI_UNSUPPORTED;
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}
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Status = StrHToBuf (&GuidLE[4], 2, Str);
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if ( Status != EFI_SUCCESS ) return Status;
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while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
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Str ++;
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}
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if (IS_HYPHEN (*Str)) {
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Str++;
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} else {
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return EFI_UNSUPPORTED;
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}
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Status = StrHToBuf (&GuidLE[6], 2, Str);
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if ( Status != EFI_SUCCESS ) return Status;
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while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
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Str ++;
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}
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if (IS_HYPHEN (*Str)) {
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Str++;
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} else {
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return EFI_UNSUPPORTED;
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}
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Status = StrHToBuf (&GuidLE[8], 2, Str);
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if ( Status != EFI_SUCCESS ) return Status;
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while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
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Str ++;
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}
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if (IS_HYPHEN (*Str)) {
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Str++;
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} else {
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return EFI_UNSUPPORTED;
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}
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Status = StrHToBuf (&GuidLE[10], 6, Str);
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if ( Status != EFI_SUCCESS ) return Status;
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if (Guid) {
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CopyMem((UINT8*)Guid, &GuidLE[0], sizeof(EFI_GUID));
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}
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return EFI_SUCCESS;
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}
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XStringW GuidBeToStr(EFI_GUID *Guid);
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XString8 GuidLEToXString8(EFI_GUID *Guid);
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XStringW GuidLEToXStringW(EFI_GUID *Guid);
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#endif /* PLATFORM_GUID_H_ */
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