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/* ========================================
Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
File: GUIDWizard.cc
Purpose: GUID helper code
Revision History:
======================================== */
#include <CFKit/GUIDWizard.h>
#include <NeKit/Ref.h>
// begin of ascii 'readable' characters. (A, C, C, 1, 2)
#define kGUIDAsciiBegin 47
// @brief Size of UUID.
#define kGUIDSize 37
namespace Kernel::CF::XRN::Version1 {
auto cf_make_sequence(const ArrayList<UInt32>& uuidSeq) -> Ref<GUIDSequence*> {
GUIDSequence* seq = new GUIDSequence();
MUST_PASS(seq);
Ref<GUIDSequence*> seq_ref{seq};
if (!seq) return seq_ref;
seq_ref.Leak()->fUuid.fMs1 = uuidSeq[0];
seq_ref.Leak()->fUuid.fMs2 = uuidSeq[1];
seq_ref.Leak()->fUuid.fMs3 = uuidSeq[2];
seq_ref.Leak()->fUuid.fMs4[0] = uuidSeq[3];
seq_ref.Leak()->fUuid.fMs4[1] = uuidSeq[4];
seq_ref.Leak()->fUuid.fMs4[2] = uuidSeq[5];
seq_ref.Leak()->fUuid.fMs4[3] = uuidSeq[6];
seq_ref.Leak()->fUuid.fMs4[4] = uuidSeq[7];
seq_ref.Leak()->fUuid.fMs4[5] = uuidSeq[8];
seq_ref.Leak()->fUuid.fMs4[6] = uuidSeq[9];
seq_ref.Leak()->fUuid.fMs4[7] = uuidSeq[10];
return seq_ref;
}
// @brief Tries to make a guid out of a string.
// This function is not complete for now
auto cf_try_guid_to_string(Ref<GUIDSequence*>& seq) -> ErrorOr<Ref<KString>> {
Char buf[kGUIDSize];
for (SizeT index = 0; index < 16; ++index) {
buf[index] = seq.Leak()->fU8[index] + kGUIDAsciiBegin;
}
for (SizeT index = 16; index < 24; ++index) {
buf[index] = seq.Leak()->fU16[index] + kGUIDAsciiBegin;
}
for (SizeT index = 24; index < 28; ++index) {
buf[index] = seq.Leak()->fU32[index] + kGUIDAsciiBegin;
}
auto view = KStringBuilder::Construct(buf);
if (view) return ErrorOr<Ref<KString>>{view.Leak()};
return ErrorOr<Ref<KString>>{kErrorInvalidData};
}
} // namespace Kernel::CF::XRN::Version1
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