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-BEGIN VERIFY SCRIPT- ./contrib/devtools/copyright_header.py update ./ -END VERIFY SCRIPT- Commits of previous years: * 2020:fa0074e2d8* 2019:aaaaad6ac9
68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
// Copyright (c) 2019-2021 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_UTIL_TRANSLATION_H
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#define BITCOIN_UTIL_TRANSLATION_H
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#include <tinyformat.h>
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#include <functional>
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/**
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* Bilingual messages:
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* - in GUI: user's native language + untranslated (i.e. English)
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* - in log and stderr: untranslated only
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*/
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struct bilingual_str {
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std::string original;
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std::string translated;
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bilingual_str& operator+=(const bilingual_str& rhs)
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{
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original += rhs.original;
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translated += rhs.translated;
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return *this;
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}
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bool empty() const
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{
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return original.empty();
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}
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void clear()
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{
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original.clear();
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translated.clear();
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}
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};
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inline bilingual_str operator+(bilingual_str lhs, const bilingual_str& rhs)
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{
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lhs += rhs;
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return lhs;
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}
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/** Mark a bilingual_str as untranslated */
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inline bilingual_str Untranslated(std::string original) { return {original, original}; }
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namespace tinyformat {
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template <typename... Args>
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bilingual_str format(const bilingual_str& fmt, const Args&... args)
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{
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return bilingual_str{format(fmt.original, args...), format(fmt.translated, args...)};
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}
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} // namespace tinyformat
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/** Translate a message to the native language of the user. */
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const extern std::function<std::string(const char*)> G_TRANSLATION_FUN;
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/**
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* Translation function.
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* If no translation function is set, simply return the input.
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*/
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inline bilingual_str _(const char* psz)
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{
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return bilingual_str{psz, G_TRANSLATION_FUN ? (G_TRANSLATION_FUN)(psz) : psz};
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}
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#endif // BITCOIN_UTIL_TRANSLATION_H
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