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[i18n] add support of string formatting

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Signed-off-by: R4SAS <r4sas@i2pmail.org>
This commit is contained in:
R4SAS 2023-01-18 07:21:36 +03:00
parent e8be39af17
commit e8ace998ba
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14 changed files with 190 additions and 129 deletions
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62
i18n/I18N.h
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@ -67,17 +67,71 @@ namespace i18n
const std::map<std::string, std::vector<std::string>> m_Plurals;
std::function<int(int)> m_Formula;
};
void SetLanguage(const std::string &lang);
std::string translate (const std::string& arg);
std::string translate (const std::string& arg, const std::string& arg2, const int& n);
} // i18n
} // i2p
template<typename... TArgs>
std::string tr (TArgs&&... args)
/**
* @brief Get translation of string
* @param arg String with message
*/
template<typename TValue>
std::string tr (TValue&& arg)
{
return i2p::i18n::translate(std::forward<TArgs>(args)...);
return i2p::i18n::translate(std::forward<TValue>(arg));
}
/**
* @brief Get translation of string and format it
* @param arg String with message
* @param args Array of arguments for string formatting
*/
template<typename TValue, typename... TArgs>
std::string tr (TValue&& arg, TArgs&&... args)
{
std::string tr_str = i2p::i18n::translate(std::forward<TValue>(arg));
size_t size = snprintf(NULL, 0, tr_str.c_str(), std::forward<TArgs>(args)...);
size = size + 1;
std::string str(size, 0);
snprintf(str.data(), size, tr_str.c_str(), std::forward<TArgs>(args)...);
return str;
}
/**
* @brief Get translation of string with plural forms
* @param arg String with message in singular form
* @param arg2 String with message in plural form
* @param n Integer, used for selection of form
*/
template<typename TValue, typename TValue2>
std::string ntr (TValue&& arg, TValue2&& arg2, int& n)
{
return i2p::i18n::translate(std::forward<TValue>(arg), std::forward<TValue2>(arg2), std::forward<int>(n));
}
/**
* @brief Get translation of string with plural forms and format it
* @param arg String with message in singular form
* @param arg2 String with message in plural form
* @param n Integer, used for selection of form
* @param args Array of arguments for string formatting
*/
template<typename TValue, typename TValue2, typename... TArgs>
std::string ntr (TValue&& arg, TValue2&& arg2, int& n, TArgs&&... args)
{
std::string tr_str = i2p::i18n::translate(std::forward<TValue>(arg), std::forward<TValue2>(arg2), std::forward<int>(n));
size_t size = snprintf(NULL, 0, tr_str.c_str(), std::forward<TArgs>(args)...);
size = size + 1;
std::string str(size, 0);
snprintf(str.data(), size, tr_str.c_str(), std::forward<TArgs>(args)...);
return str;
}
#endif // __I18N_H__