Merged in MHR-23 (pull request #12)

MHR-23: Merge work.

1 files changed, 65 insertions, 0 deletions

diff --git a/Kernel/Source/GUIDWizard.cxx b/Kernel/Source/GUIDWizard.cxx
new file mode 100644
index 00000000..2e4ffafa
--- /dev/null
+++ b/Kernel/Source/GUIDWizard.cxx
@@ -0,0 +1,65 @@
+/* -------------------------------------------
+
+    Copyright SoftwareLabs
+
+    File: GUIDWizard.cxx
+    Purpose: GUID helper code
+
+    Revision History:
+
+------------------------------------------- */
+
+#include <CFKit/GUIDWizard.hpp>
+#include <NewKit/Ref.hpp>
+
+// begin of ascii 'readable' characters. (A, C, C, 1, 2)
+#define kAsciiBegin 47
+// @brief Size of UUID.
+#define kUUIDSize 37
+
+namespace NewOS::XRN::Version1
+{
+	auto make_sequence(const ArrayList<UShort>& uuidSeq) -> Ref<GUIDSequence*>
+	{
+		GUIDSequence* seq = new GUIDSequence();
+		MUST_PASS(seq);
+
+		Ref<GUIDSequence*> sequenceReference{seq, true};
+
+		sequenceReference->fMs1 |= uuidSeq[0];
+		sequenceReference->fMs2 |= uuidSeq[1];
+		sequenceReference->fMs3 |= uuidSeq[2];
+		sequenceReference->fMs3 |= uuidSeq[3];
+
+		return sequenceReference;
+	}
+
+	// @brief Tries to make a guid out of a string.
+	// This function is not complete for now
+	auto try_guid_to_string(Ref<GUIDSequence*>& seq) -> ErrorOr<Ref<StringView>>
+	{
+		Char buf[kUUIDSize];
+
+		for (SizeT index = 0; index < 16; ++index)
+		{
+			buf[index] = seq->u8[index] + kAsciiBegin;
+		}
+
+		for (SizeT index = 16; index < 24; ++index)
+		{
+			buf[index] = seq->u16[index] + kAsciiBegin;
+		}
+
+		for (SizeT index = 24; index < 28; ++index)
+		{
+			buf[index] = seq->u32[index] + kAsciiBegin;
+		}
+
+		auto view = StringBuilder::Construct(buf);
+
+		if (view)
+			return ErrorOr<Ref<StringView>>{view.Leak()};
+
+		return ErrorOr<Ref<StringView>>{-1};
+	}
+} // namespace NewOS::XRN::Version1