1/* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17syntax = "proto2"; 18 19option java_package = "com.android.timezone.location.tools.proto"; 20option java_multiple_files = false; 21 22package com.android.timezone.location.tools.proto; 23 24// The format need to write a TZ S2 data file. 25message TimeZones { 26 // All the time zone ID sets referenced by index from the ranges. 27 repeated TimeZoneIdSet timeZoneIdSets = 1; 28 29 // S2 cell ranges with the same time zone IDs. Must be ordered by (unsigned) 30 // S2 start cell ID, no overlaps, gaps permitted. 31 repeated S2Range ranges = 2; 32} 33 34// Sets of time zone IDs. 35message TimeZoneIdSet { 36 37 // A set of IANA TZDB time zone IDs, e.g. {"Europe/London", "Europe/Paris"} 38 repeated string timeZoneIds = 1; 39} 40 41// An S2 cell range with the same time zone ID(s). 42message S2Range { 43 44 // The start S2 cell ID (inclusive). 45 required uint64 startCellId = 1; 46 47 // The end S2 cell ID (exclusive). 48 required uint64 endCellId = 2; 49 50 // The index of the TimeZoneIdSet (TimeZones.timeZoneIdSets) associated with 51 // the range. 52 required uint32 timeZoneIdSetIndex = 3; 53} 54