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Unification utf16/utf32 to utf8 conversion

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Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
This commit is contained in:
Vladislav Shchapov
2023-05-02 21:29:02 +05:00
committed by Victor Zverovich
parent e84b00e014
commit dde8cf3bb7
7 changed files with 88 additions and 142 deletions
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16
include/fmt/std.h
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@@ -60,19 +60,9 @@ inline void write_escaped_path<char>(memory_buffer& quoted,
const std::filesystem::path& p) {
auto buf = basic_memory_buffer<wchar_t>();
write_escaped_string<wchar_t>(std::back_inserter(buf), p.native());
for (unsigned c : buf) {
// Convert UTF-16 to UTF-8.
if (c < 0x80) {
quoted.push_back(static_cast<unsigned char>(c));
} else if (c < 0x800) {
quoted.push_back(0b1100'0000 | ((c >> 6) & 0b01'1111));
quoted.push_back(0b1000'0000 | (c & 0b11'1111));
} else {
quoted.push_back(0b1110'0000 | ((c >> 12) & 0b01'1111));
quoted.push_back(0b1000'0000 | ((c >> 6) & 0b11'1111));
quoted.push_back(0b1000'0000 | (c & 0b11'1111));
}
}
// Convert UTF-16 to UTF-8.
if (!unicode_to_utf8<wchar_t>::convert(quoted, {buf.data(), buf.size()}))
FMT_THROW(std::runtime_error("invalid utf16"));
}
# endif
template <>