diff options
Diffstat (limited to 'src/format.cc')
| -rw-r--r-- | src/format.cc | 110 |
1 files changed, 73 insertions, 37 deletions
diff --git a/src/format.cc b/src/format.cc index c373db1c..6141d964 100644 --- a/src/format.cc +++ b/src/format.cc @@ -8,56 +8,92 @@ #include "fmt/format-inl.h" FMT_BEGIN_NAMESPACE -template struct FMT_API internal::basic_data<void>; +namespace detail { + +template <typename T> +int format_float(char* buf, std::size_t size, const char* format, int precision, + T value) { +#ifdef FMT_FUZZ + if (precision > 100000) + throw std::runtime_error( + "fuzz mode - avoid large allocation inside snprintf"); +#endif + // Suppress the warning about nonliteral format string. + int (*snprintf_ptr)(char*, size_t, const char*, ...) = FMT_SNPRINTF; + return precision < 0 ? snprintf_ptr(buf, size, format, value) + : snprintf_ptr(buf, size, format, precision, value); +} + +template FMT_API dragonbox::decimal_fp<float> dragonbox::to_decimal(float x) + FMT_NOEXCEPT; +template FMT_API dragonbox::decimal_fp<double> dragonbox::to_decimal(double x) + FMT_NOEXCEPT; + +// DEPRECATED! This function exists for ABI compatibility. +template <typename Char> +typename basic_format_context<std::back_insert_iterator<buffer<Char>>, + Char>::iterator +vformat_to(buffer<Char>& buf, basic_string_view<Char> format_str, + basic_format_args<basic_format_context< + std::back_insert_iterator<buffer<type_identity_t<Char>>>, + type_identity_t<Char>>> + args) { + using iterator = std::back_insert_iterator<buffer<char>>; + using context = basic_format_context< + std::back_insert_iterator<buffer<type_identity_t<Char>>>, + type_identity_t<Char>>; + auto out = iterator(buf); + format_handler<iterator, Char, context> h(out, format_str, args, {}); + parse_format_string<false>(format_str, h); + return out; +} +template basic_format_context<std::back_insert_iterator<buffer<char>>, + char>::iterator +vformat_to(buffer<char>&, string_view, + basic_format_args<basic_format_context< + std::back_insert_iterator<buffer<type_identity_t<char>>>, + type_identity_t<char>>>); +} // namespace detail + +template struct FMT_INSTANTIATION_DEF_API detail::basic_data<void>; // Workaround a bug in MSVC2013 that prevents instantiation of format_float. -int (*instantiate_format_float)(double, int, internal::float_specs, - internal::buffer<char>&) = - internal::format_float; +int (*instantiate_format_float)(double, int, detail::float_specs, + detail::buffer<char>&) = detail::format_float; #ifndef FMT_STATIC_THOUSANDS_SEPARATOR -template FMT_API internal::locale_ref::locale_ref(const std::locale& loc); -template FMT_API std::locale internal::locale_ref::get<std::locale>() const; +template FMT_API detail::locale_ref::locale_ref(const std::locale& loc); +template FMT_API std::locale detail::locale_ref::get<std::locale>() const; #endif // Explicit instantiations for char. -template FMT_API std::string internal::grouping_impl<char>(locale_ref); -template FMT_API char internal::thousands_sep_impl(locale_ref); -template FMT_API char internal::decimal_point_impl(locale_ref); - -template FMT_API void internal::buffer<char>::append(const char*, const char*); +template FMT_API std::string detail::grouping_impl<char>(locale_ref); +template FMT_API char detail::thousands_sep_impl(locale_ref); +template FMT_API char detail::decimal_point_impl(locale_ref); -template FMT_API void internal::arg_map<format_context>::init( - const basic_format_args<format_context>& args); +template FMT_API void detail::buffer<char>::append(const char*, const char*); -template FMT_API std::string internal::vformat<char>( - string_view, basic_format_args<format_context>); +template FMT_API void detail::vformat_to( + detail::buffer<char>&, string_view, + basic_format_args<FMT_BUFFER_CONTEXT(char)>, detail::locale_ref); -template FMT_API format_context::iterator internal::vformat_to( - internal::buffer<char>&, string_view, basic_format_args<format_context>); - -template FMT_API int internal::snprintf_float(double, int, - internal::float_specs, - internal::buffer<char>&); -template FMT_API int internal::snprintf_float(long double, int, - internal::float_specs, - internal::buffer<char>&); -template FMT_API int internal::format_float(double, int, internal::float_specs, - internal::buffer<char>&); -template FMT_API int internal::format_float(long double, int, - internal::float_specs, - internal::buffer<char>&); +template FMT_API int detail::snprintf_float(double, int, detail::float_specs, + detail::buffer<char>&); +template FMT_API int detail::snprintf_float(long double, int, + detail::float_specs, + detail::buffer<char>&); +template FMT_API int detail::format_float(double, int, detail::float_specs, + detail::buffer<char>&); +template FMT_API int detail::format_float(long double, int, detail::float_specs, + detail::buffer<char>&); // Explicit instantiations for wchar_t. -template FMT_API std::string internal::grouping_impl<wchar_t>(locale_ref); -template FMT_API wchar_t internal::thousands_sep_impl(locale_ref); -template FMT_API wchar_t internal::decimal_point_impl(locale_ref); - -template FMT_API void internal::buffer<wchar_t>::append(const wchar_t*, - const wchar_t*); +template FMT_API std::string detail::grouping_impl<wchar_t>(locale_ref); +template FMT_API wchar_t detail::thousands_sep_impl(locale_ref); +template FMT_API wchar_t detail::decimal_point_impl(locale_ref); -template FMT_API std::wstring internal::vformat<wchar_t>( - wstring_view, basic_format_args<wformat_context>); +template FMT_API void detail::buffer<wchar_t>::append(const wchar_t*, + const wchar_t*); FMT_END_NAMESPACE |