| // |
| // Copyright (C) 2015 Google, Inc. |
| // |
| // Licensed 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 "uuid.h" |
| |
| #include <algorithm> |
| #include <array> |
| #include <stack> |
| #include <string> |
| |
| namespace bluetooth { |
| |
| void Uuid::InitializeDefault() { |
| // Initialize to base bluetooth UUID. |
| id_ = {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, |
| 0x80, 0x00, 0x00, 0x80, 0x5f, 0x9b, 0x34, 0xfb}}; |
| } |
| |
| Uuid::Uuid() { |
| InitializeDefault(); |
| } |
| |
| Uuid::Uuid(const std::string& uuid) { |
| InitializeDefault(); |
| const int start_index = uuid.size() == 4 ? 2 : 0; |
| const size_t copy_size = std::min(id_.size(), uuid.size() / 2); |
| for (size_t i = 0; i < copy_size; ++i) { |
| std::string octet_text(uuid, i * 2, 2); |
| id_[start_index + i] = std::stoul(octet_text, 0, 16); |
| } |
| } |
| |
| Uuid::Uuid(const bt_uuid_t& uuid) { |
| std::reverse_copy(uuid.uu, uuid.uu + sizeof(uuid.uu), id_.begin()); |
| } |
| |
| Uuid::Uuid(const Uuid::Uuid16Bit& uuid) { |
| InitializeDefault(); |
| std::copy(uuid.begin(), uuid.end(), id_.begin() + kUuid16Octets); |
| } |
| |
| Uuid::Uuid(const Uuid::Uuid32Bit& uuid) { |
| InitializeDefault(); |
| std::copy(uuid.begin(), uuid.end(), id_.begin()); |
| } |
| |
| Uuid::Uuid(const Uuid::Uuid128Bit& uuid) : id_(uuid) {} |
| |
| const Uuid::Uuid128Bit Uuid::GetFullBigEndian() const { |
| return id_; |
| } |
| |
| const Uuid::Uuid128Bit Uuid::GetFullLittleEndian() const { |
| Uuid::Uuid128Bit ret; |
| std::reverse_copy(id_.begin(), id_.end(), ret.begin()); |
| return ret; |
| } |
| |
| const bt_uuid_t Uuid::GetBlueDroid() const { |
| bt_uuid_t ret; |
| std::reverse_copy(id_.begin(), id_.end(), ret.uu); |
| return ret; |
| } |
| |
| bool Uuid::operator<(const Uuid& rhs) const { |
| return std::lexicographical_compare(id_.begin(), id_.end(), rhs.id_.begin(), |
| rhs.id_.end()); |
| } |
| |
| bool Uuid::operator==(const Uuid& rhs) const { |
| return std::equal(id_.begin(), id_.end(), rhs.id_.begin()); |
| } |
| |
| } // namespace bluetooth |