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60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
//===--- UUID.cpp - UUID generation ---------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This is an interface over the standard OSF uuid library that gives UUIDs
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// sane value semantics and operators.
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//
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//===----------------------------------------------------------------------===//
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#include <uuid/uuid.h>
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#include "swift/Basic/UUID.h"
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using namespace swift;
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UUID::UUID(FromRandom_t) {
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uuid_generate_random(Value);
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}
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UUID::UUID(FromTime_t) {
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uuid_generate_time(Value);
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}
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UUID::UUID() {
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uuid_clear(Value);
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}
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Optional<UUID> UUID::fromString(const char *s) {
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UUID result;
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if (uuid_parse(s, result.Value))
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return None;
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return result;
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}
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void UUID::toString(llvm::SmallVectorImpl<char> &out) const {
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out.resize(UUID::StringBufferSize);
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uuid_unparse(Value, out.data());
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// Pop off the null terminator.
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assert(out.back() == '\0' && "did not null-terminate?!");
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out.pop_back();
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}
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int UUID::compare(UUID y) const {
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return uuid_compare(Value, y.Value);
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}
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llvm::raw_ostream &swift::operator<<(llvm::raw_ostream &os, UUID uuid) {
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llvm::SmallString<UUID::StringBufferSize> buf;
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uuid.toString(buf);
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os << buf;
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return os;
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}
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