Neil Fuller | 7803149 | 2020-08-07 21:17:58 +0100 | [diff] [blame] | 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 | |
| 17 | syntax = "proto2"; |
| 18 | |
| 19 | option java_package = "com.android.timezone.tzids.proto"; |
| 20 | option java_multiple_files = false; |
| 21 | |
| 22 | package com.android.timezone.tzids.proto; |
| 23 | |
| 24 | // Information about Olson IDs used / preferred by Android. |
| 25 | message TimeZoneIds { |
| 26 | // The IANA TZDB version the data was generated from. |
| 27 | optional string ianaVersion = 1; |
| 28 | |
| 29 | // Information about IDs that are mapped to ISO 3166 Alpha-2 country codes. |
| 30 | repeated CountryMapping countryMappings = 2; |
| 31 | } |
| 32 | |
| 33 | // Information about Olson IDs recognized by Android as being related to a country. |
| 34 | message CountryMapping { |
| 35 | // The ISO 3166 Alpha-2 country code. |
| 36 | required string isoCode = 1; |
| 37 | |
| 38 | // The IANA TZDB Olson IDs preferred by Android for the country. |
| 39 | repeated string timeZoneIds = 2; |
| 40 | |
| 41 | // Links for time zones that are recognized as being for the country, but are not preferred. |
| 42 | // These links are for time zones that have always been equivalent. |
| 43 | // e.g. "GB-Eire" is linked to "Europe/London" because "GB-Eire"" is just an obsoleted synonym. |
| 44 | repeated TimeZoneLink timeZoneLinks = 3; |
| 45 | |
| 46 | // Replacements for time zones where the replaced time zone is not identical to the replacement |
| 47 | // before some point in time. After that point in time, the two zones have been judged as |
Neil Fuller | 6675158 | 2020-10-28 12:59:18 +0000 | [diff] [blame] | 48 | // equivalent. e.g. "America/Boise" has the same rules as "America/Denver" after Sun, 03 Feb |
Neil Fuller | 7803149 | 2020-08-07 21:17:58 +0100 | [diff] [blame] | 49 | // 1974, so the two can be considered equivalent today, but not for dates before that. |
| 50 | repeated TimeZoneReplacement timeZoneReplacements = 4; |
| 51 | } |
| 52 | |
| 53 | // An ID replacement when one time zone Olson ID is just direct synonym for another. |
| 54 | message TimeZoneLink { |
| 55 | // The alternative Olson ID. This will typically be an obsoleted Olson ID. |
| 56 | required string alternativeId = 1; |
| 57 | // The Android preferred Olson ID. This will typically be a newer / more correct Olson ID. |
| 58 | required string preferredId = 2; |
| 59 | } |
| 60 | |
| 61 | // The functional replacement of one time zone ID by another after a point in time. |
| 62 | // Computed by looking at offset behavior / zone metadata. |
| 63 | message TimeZoneReplacement { |
| 64 | // The Olson ID that was replaced / ceased to be distinct. |
| 65 | required string replacedId = 1; |
| 66 | // The Olson ID that is better / to use in place of replacedId on Android after fromMillis. |
| 67 | required string replacementId = 2; |
| 68 | // When replacementId replaced replacedId. Milliseconds from the start of the Unix epoch. |
| 69 | required int64 fromMillis = 3; |
| 70 | } |