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BWF: Add support for std::error_code. #7777

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Merged
SolidWallOfCode merged 1 commit into from
May 4, 2021
Merged

BWF: Add support for std::error_code. #7777

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3 changes: 3 additions & 0 deletions include/tscore/bwf_std_format.h
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Original file line number Diff line number Diff line change
Expand Up @@ -37,10 +37,13 @@ bwformat(ts::BufferWriter &w, ts::BWFSpec const &spec, atomic<T> const &v)
{
return ts::bwformat(w, spec, v.load());
}

} // end namespace std

namespace ts
{
BufferWriter &bwformat(BufferWriter &w, BWFSpec const &spec, std::error_code const &ec);

namespace bwf
{
using namespace std::literals; // enable ""sv
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18 changes: 18 additions & 0 deletions src/tscore/BufferWriterFormat.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -911,6 +911,24 @@ bwformat(BufferWriter &w, BWFSpec const &spec, bwf::Errno const &e)
return w;
}

BufferWriter &
bwformat(BufferWriter &w, BWFSpec const &spec, std::error_code const &ec)
{
// This provides convenient safe access to the errno short name array.
static const BWFormat number_fmt{"[{}]"_sv}; // numeric value format.
if (spec.has_numeric_type()) { // if numeric type, print just the numeric
// part.
w.print(number_fmt, ec.value());
} else {
w.write(ec.message());
if (spec._type != 's' && spec._type != 'S') {
w.write(' ');
w.print(number_fmt, ec.value());
}
}
return w;
}

bwf::Date::Date(std::string_view fmt) : _epoch(std::chrono::system_clock::to_time_t(std::chrono::system_clock::now())), _fmt(fmt) {}

BufferWriter &
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