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53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
#pragma once
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#include <atomic>
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#include <cstdint>
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#include <map>
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#include <memory>
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#include <mutex>
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#include <string>
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// From ICU library, either 3party/icu or from the system's package.
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#include <unicode/uversion.h>
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U_NAMESPACE_BEGIN
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class UnicodeString;
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U_NAMESPACE_END
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class Transliteration
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{
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public:
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enum class Mode
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{
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Enabled,
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Disabled
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};
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~Transliteration();
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static Transliteration & Instance();
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void Init(std::string const & icuDataDir);
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void SetMode(Mode mode);
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// Transliterates |sv| with transliterators set for |langCode| in StringUtf8Multilang
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// if mode is set to Enabled.
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bool Transliterate(std::string_view sv, int8_t langCode, std::string & out) const;
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// Transliterates |str| with |transliteratorId|, ignores mode.
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bool TransliterateForce(std::string const & str, std::string const & transliteratorId,
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std::string & out) const;
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private:
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struct TransliteratorInfo;
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Transliteration();
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bool Transliterate(std::string_view transID, icu::UnicodeString & ustr) const;
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std::mutex m_initializationMutex;
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std::atomic<bool> m_inited;
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std::atomic<Mode> m_mode;
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std::map<std::string_view, std::unique_ptr<TransliteratorInfo>> m_transliterators;
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};
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