134496a31d
-- aa9e2bff92652605b8244677058be787c872f99c by Abseil Team <absl-team@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 202702969 -- d26c857c203589892a84bc44d789f2a15a60f234 by Abseil Team <absl-team@google.com>: Cleans up the FixedArray code (formatting, renames, etc) without changing the functionality PiperOrigin-RevId: 202538159 GitOrigin-RevId: aa9e2bff92652605b8244677058be787c872f99c Change-Id: I6561257232c6cc8e1cbf51d7e26bae5f8760551e
79 lines
4.3 KiB
C++
79 lines
4.3 KiB
C++
// Copyright 2016 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "absl/time/internal/cctz/include/cctz/zone_info_source.h"
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namespace absl {
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namespace time_internal {
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namespace cctz {
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// Defined out-of-line to avoid emitting a weak vtable in all TUs.
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ZoneInfoSource::~ZoneInfoSource() {}
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std::string ZoneInfoSource::Version() const { return std::string(); }
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} // namespace cctz
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} // namespace time_internal
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} // namespace absl
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namespace absl {
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namespace time_internal {
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namespace cctz_extension {
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namespace {
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// A default for cctz_extension::zone_info_source_factory, which simply
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// defers to the fallback factory.
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std::unique_ptr<absl::time_internal::cctz::ZoneInfoSource> DefaultFactory(
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const std::string& name,
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const std::function<std::unique_ptr<absl::time_internal::cctz::ZoneInfoSource>(
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const std::string& name)>& fallback_factory) {
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return fallback_factory(name);
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}
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} // namespace
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// A "weak" definition for cctz_extension::zone_info_source_factory.
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// The user may override this with their own "strong" definition (see
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// zone_info_source.h).
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#if defined(_MSC_VER)
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extern ZoneInfoSourceFactory zone_info_source_factory;
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extern ZoneInfoSourceFactory default_factory;
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ZoneInfoSourceFactory default_factory = DefaultFactory;
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#if defined(_M_IX86)
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#pragma comment( \
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linker, \
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"/alternatename:?zone_info_source_factory@cctz_extension@time_internal@absl@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@ABV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@5@@ZA=?default_factory@cctz_extension@time_internal@absl@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@ABV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@5@@ZA")
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#elif defined(_M_IA_64) || defined(_M_AMD64)
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#pragma comment( \
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linker, \
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"/alternatename:?zone_info_source_factory@cctz_extension@time_internal@absl@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@AEBV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@5@@ZEA=?default_factory@cctz_extension@time_internal@absl@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@AEBV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@5@@ZEA")
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#else
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#error Unsupported MSVC platform
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#endif
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#else // _MSC_VER
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#if !defined(__has_attribute)
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#define __has_attribute(x) 0
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#endif
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#if __has_attribute(weak) || defined(__GNUC__)
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ZoneInfoSourceFactory zone_info_source_factory
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__attribute__((weak)) = DefaultFactory;
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#else
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// Make it a "strong" definition if we have no other choice.
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ZoneInfoSourceFactory zone_info_source_factory = DefaultFactory;
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#endif
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#endif // _MSC_VER
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} // namespace cctz_extension
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} // namespace time_internal
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} // namespace absl
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