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LibTimeZone: Extract and parse the backwards compatibility LINK entries

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This set of LINK entries contains the link from "UTC" to "Etc/UTC",
which LibJS will heavily depend upon.
This commit is contained in:
Timothy Flynn 2022-01-07 09:05:35 -05:00 • committed by Linus Groh
parent b5758a0623
commit 87abf00f7c
Notes: sideshowbarker 2024-07-18 02:13:10 +09:00
2 changed files with 14 additions and 8 deletions
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6
Meta/CMake/time_zone_data.cmake
View file

@ -20,6 +20,9 @@ set(TZDB_ASIA_PATH "${TZDB_PATH}/${TZDB_ASIA_SOURCE}")
set(TZDB_AUSTRALASIA_SOURCE australasia)
set(TZDB_AUSTRALASIA_PATH "${TZDB_PATH}/${TZDB_AUSTRALASIA_SOURCE}")
set(TZDB_BACKWARD_SOURCE backward)
set(TZDB_BACKWARD_PATH "${TZDB_PATH}/${TZDB_BACKWARD_SOURCE}")
set(TZDB_ETCETERA_SOURCE etcetera)
set(TZDB_ETCETERA_PATH "${TZDB_PATH}/${TZDB_ETCETERA_SOURCE}")
@ -54,6 +57,7 @@ if (ENABLE_TIME_ZONE_DATABASE_DOWNLOAD)
extract_tzdb_file("${TZDB_ANTARCTICA_SOURCE}" "${TZDB_ANTARCTICA_PATH}")
extract_tzdb_file("${TZDB_ASIA_SOURCE}" "${TZDB_ASIA_PATH}")
extract_tzdb_file("${TZDB_AUSTRALASIA_SOURCE}" "${TZDB_AUSTRALASIA_PATH}")
extract_tzdb_file("${TZDB_BACKWARD_SOURCE}" "${TZDB_BACKWARD_PATH}")
extract_tzdb_file("${TZDB_ETCETERA_SOURCE}" "${TZDB_ETCETERA_PATH}")
extract_tzdb_file("${TZDB_EUROPE_SOURCE}" "${TZDB_EUROPE_PATH}")
extract_tzdb_file("${TZDB_NORTH_AMERICA_SOURCE}" "${TZDB_NORTH_AMERICA_PATH}")
@ -78,7 +82,7 @@ if (ENABLE_TIME_ZONE_DATABASE_DOWNLOAD)
"${TIME_ZONE_META_TARGET_PREFIX}"
"${TIME_ZONE_DATA_HEADER}"
"${TIME_ZONE_DATA_IMPLEMENTATION}"
arguments "${TZDB_AFRICA_PATH}" "${TZDB_ANTARCTICA_PATH}" "${TZDB_ASIA_PATH}" "${TZDB_AUSTRALASIA_PATH}" "${TZDB_ETCETERA_PATH}" "${TZDB_EUROPE_PATH}" "${TZDB_NORTH_AMERICA_PATH}" "${TZDB_SOUTH_AMERICA_PATH}"
arguments "${TZDB_AFRICA_PATH}" "${TZDB_ANTARCTICA_PATH}" "${TZDB_ASIA_PATH}" "${TZDB_AUSTRALASIA_PATH}" "${TZDB_BACKWARD_PATH}" "${TZDB_ETCETERA_PATH}" "${TZDB_EUROPE_PATH}" "${TZDB_NORTH_AMERICA_PATH}" "${TZDB_SOUTH_AMERICA_PATH}"
)
set(TIME_ZONE_DATA_SOURCES

16
Meta/Lagom/Tools/CodeGenerators/LibTimeZone/GenerateTimeZoneData.cpp
View file

@ -168,15 +168,17 @@ static ErrorOr<void> parse_time_zones(StringView time_zone_path, TimeZoneData& t
static String format_identifier(StringView owner, String identifier)
{
constexpr auto gmt_time_zone = "Etc/GMT"sv;
constexpr auto gmt_time_zones = Array { "Etc/GMT"sv, "GMT"sv };
if (identifier.starts_with(gmt_time_zone)) {
auto offset = identifier.substring_view(gmt_time_zone.length());
for (auto gmt_time_zone : gmt_time_zones) {
if (identifier.starts_with(gmt_time_zone)) {
auto offset = identifier.substring_view(gmt_time_zone.length());
if (offset.starts_with('+'))
identifier = String::formatted("{}_P{}", gmt_time_zone, offset.substring_view(1));
else if (offset.starts_with('-'))
identifier = String::formatted("{}_M{}", gmt_time_zone, offset.substring_view(1));
if (offset.starts_with('+'))
identifier = String::formatted("{}_P{}", gmt_time_zone, offset.substring_view(1));
else if (offset.starts_with('-'))
identifier = String::formatted("{}_M{}", gmt_time_zone, offset.substring_view(1));
}
}
identifier = identifier.replace("-"sv, "_"sv, true);