diff options
Diffstat (limited to 'qpid/cpp/src/qpid/types/Uuid.cpp')
-rw-r--r-- | qpid/cpp/src/qpid/types/Uuid.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/types/Uuid.cpp b/qpid/cpp/src/qpid/types/Uuid.cpp new file mode 100644 index 0000000000..9face4e5d2 --- /dev/null +++ b/qpid/cpp/src/qpid/types/Uuid.cpp @@ -0,0 +1,140 @@ +/* + * + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * + */ +#include "qpid/types/Uuid.h" +#include "qpid/sys/uuid.h" +#include <sstream> +#include <iostream> +#include <string.h> + +namespace qpid { +namespace types { + +using namespace std; + +const size_t Uuid::SIZE=16; +static const size_t UNPARSED_SIZE=36; + +Uuid::Uuid(bool unique) +{ + if (unique) { + generate(); + } else { + clear(); + } +} + +Uuid::Uuid(const Uuid& other) +{ + ::memcpy(bytes, other.bytes, Uuid::SIZE); +} + +Uuid::Uuid(const unsigned char* uuid) +{ + ::memcpy(bytes, uuid, Uuid::SIZE); +} + +Uuid& Uuid::operator=(const Uuid& other) +{ + if (this == &other) return *this; + ::memcpy(bytes, other.bytes, Uuid::SIZE); + return *this; +} + +void Uuid::generate() +{ + uuid_generate(bytes); +} + +void Uuid::clear() +{ + uuid_clear(bytes); +} + +// Force int 0/!0 to false/true; avoids compile warnings. +bool Uuid::isNull() const +{ + return !!uuid_is_null(bytes); +} + +Uuid::operator bool() const { return !isNull(); } +bool Uuid::operator!() const { return isNull(); } + +size_t Uuid::size() const { return SIZE; } + +const unsigned char* Uuid::data() const +{ + return bytes; +} + +bool operator==(const Uuid& a, const Uuid& b) +{ + return uuid_compare(a.bytes, b.bytes) == 0; +} + +bool operator!=(const Uuid& a, const Uuid& b) +{ + return !(a == b); +} + +bool operator<(const Uuid& a, const Uuid& b) +{ + return uuid_compare(a.bytes, b.bytes) < 0; +} + +bool operator>(const Uuid& a, const Uuid& b) +{ + return uuid_compare(a.bytes, b.bytes) > 0; +} + +bool operator<=(const Uuid& a, const Uuid& b) +{ + return uuid_compare(a.bytes, b.bytes) <= 0; +} + +bool operator>=(const Uuid& a, const Uuid& b) +{ + return uuid_compare(a.bytes, b.bytes) >= 0; +} + +ostream& operator<<(ostream& out, Uuid uuid) +{ + char unparsed[UNPARSED_SIZE + 1]; + uuid_unparse(uuid.bytes, unparsed); + return out << unparsed; +} + +istream& operator>>(istream& in, Uuid& uuid) +{ + char unparsed[UNPARSED_SIZE + 1] = {0}; + in.get(unparsed, sizeof(unparsed)); + if (uuid_parse(unparsed, uuid.bytes) != 0) + in.setstate(ios::failbit); + return in; +} + +std::string Uuid::str() const +{ + std::ostringstream os; + os << *this; + return os.str(); +} + +}} // namespace qpid::types |