// Copyright 2013 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_INTL_SUPPORT
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#error Internationalization is expected to be enabled.
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#endif // V8_INTL_SUPPORT
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#ifndef V8_INTL_H_
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#define V8_INTL_H_
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#include <string>
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#include "src/base/timezone-cache.h"
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#include "src/objects.h"
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#include "src/objects/string.h"
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#include "unicode/uversion.h"
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namespace U_ICU_NAMESPACE {
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class TimeZone;
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}
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namespace v8 {
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namespace internal {
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enum class IcuService {
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kBreakIterator,
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kCollator,
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kDateFormat,
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kNumberFormat,
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kPluralRules,
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kResourceBundle,
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kRelativeDateTimeFormatter,
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kListFormatter
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};
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const UChar* GetUCharBufferFromFlat(const String::FlatContent& flat,
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std::unique_ptr<uc16[]>* dest,
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int32_t length);
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MaybeHandle<String> LocaleConvertCase(Handle<String> s, Isolate* isolate,
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bool is_to_upper, const char* lang);
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MaybeHandle<String> ConvertToLower(Handle<String> s, Isolate* isolate);
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MaybeHandle<String> ConvertToUpper(Handle<String> s, Isolate* isolate);
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MaybeHandle<String> ConvertCase(Handle<String> s, bool is_upper,
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Isolate* isolate);
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V8_WARN_UNUSED_RESULT String* ConvertOneByteToLower(String* src, String* dst);
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const uint8_t* ToLatin1LowerTable();
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// ICUTimezoneCache calls out to ICU for TimezoneCache
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// functionality in a straightforward way.
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class ICUTimezoneCache : public base::TimezoneCache {
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public:
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ICUTimezoneCache();
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~ICUTimezoneCache() override;
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const char* LocalTimezone(double time_ms) override;
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double DaylightSavingsOffset(double time_ms) override;
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double LocalTimeOffset(double time_ms, bool is_utc) override;
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void Clear() override;
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private:
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icu::TimeZone* GetTimeZone();
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bool GetOffsets(double time_ms, bool is_utc, int32_t* raw_offset,
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int32_t* dst_offset);
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icu::TimeZone* timezone_;
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std::string timezone_name_;
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std::string dst_timezone_name_;
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_INTL_H_
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