| 1 | // |
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| 2 | // Copyright (c) 2009-2011 Artyom Beilis (Tonkikh) |
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| 3 | // Copyright (c) 2021-2022 Alexander Grund |
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| 4 | // |
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| 5 | // Distributed under the Boost Software License, Version 1.0. |
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| 6 | // https://www.boost.org/LICENSE_1_0.txt |
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| 7 | |
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| 8 | #ifndef BOOST_SRC_ICU_UTIL_HPP |
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| 9 | #define BOOST_SRC_ICU_UTIL_HPP |
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| 10 | |
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| 11 | #include <boost/locale/config.hpp> |
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| 12 | #include <cstdint> // Avoid ICU defining e.g. INT8_MIN causing macro redefinition warnings |
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| 13 | #include <stdexcept> |
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| 14 | #include <string> |
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| 15 | #include <unicode/utypes.h> |
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| 16 | #include <unicode/uversion.h> |
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| 17 | |
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| 18 | #define BOOST_LOCALE_ICU_VERSION (U_ICU_VERSION_MAJOR_NUM * 100 + U_ICU_VERSION_MINOR_NUM) |
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| 19 | |
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| 20 | namespace boost { namespace locale { namespace impl_icu { |
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| 21 | |
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| 22 | inline void throw_icu_error(UErrorCode err, std::string desc) // LCOV_EXCL_LINE |
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| 23 | { |
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| 24 | if(!desc.empty()) // LCOV_EXCL_LINE |
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| 25 | desc += ": " ; // LCOV_EXCL_LINE |
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| 26 | throw std::runtime_error(desc + u_errorName(code: err)); // LCOV_EXCL_LINE |
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| 27 | } |
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| 28 | |
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| 29 | inline void check_and_throw_icu_error(UErrorCode err, const char* desc = "" ) |
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| 30 | { |
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| 31 | if(U_FAILURE(code: err)) |
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| 32 | throw_icu_error(err, desc); // LCOV_EXCL_LINE |
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| 33 | } |
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| 34 | |
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| 35 | /// Cast a pointer to an ICU object to a pointer to TargetType |
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| 36 | /// using RTTI or ICUs "poor man's RTTI" to make it work with e.g. libc++ and hidden visibility |
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| 37 | template<class TargetType, class SourceType> |
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| 38 | TargetType* icu_cast(SourceType* p) |
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| 39 | { |
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| 40 | TargetType* result = dynamic_cast<TargetType*>(p); |
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| 41 | if(!result && p && p->getDynamicClassID() == TargetType::getStaticClassID()) |
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| 42 | result = static_cast<TargetType*>(p); |
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| 43 | return result; |
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| 44 | } |
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| 45 | }}} // namespace boost::locale::impl_icu |
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| 46 | |
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| 47 | #endif |
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| 48 | |
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