diff options
Diffstat (limited to 'src/util/translation.h')
-rw-r--r-- | src/util/translation.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/util/translation.h b/src/util/translation.h new file mode 100644 index 0000000000..f100dab20d --- /dev/null +++ b/src/util/translation.h @@ -0,0 +1,42 @@ +// Copyright (c) 2019 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#ifndef BITCOIN_UTIL_TRANSLATION_H +#define BITCOIN_UTIL_TRANSLATION_H + +#include <tinyformat.h> + +#include <utility> + +/** + * Bilingual messages: + * - in GUI: user's native language + untranslated (i.e. English) + * - in log and stderr: untranslated only + */ +struct bilingual_str { + std::string original; + std::string translated; +}; + +namespace tinyformat { +template <typename... Args> +bilingual_str format(const bilingual_str& fmt, const Args&... args) +{ + return bilingual_str{format(fmt.original, args...), format(fmt.translated, args...)}; +} +} // namespace tinyformat + +/** Translate a message to the native language of the user. */ +const extern std::function<std::string(const char*)> G_TRANSLATION_FUN; + +/** + * Translation function. + * If no translation function is set, simply return the input. + */ +inline bilingual_str _(const char* psz) +{ + return bilingual_str{psz, G_TRANSLATION_FUN ? (G_TRANSLATION_FUN)(psz) : psz}; +} + +#endif // BITCOIN_UTIL_TRANSLATION_H |