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Move is_char specializations to xchar.h

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This commit is contained in:
Victor Zverovich
2021-06-06 09:25:12 -07:00
parent 16c3514d01
commit d551b88a6d
8 changed files with 98 additions and 85 deletions
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52
include/fmt/format.h
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@@ -432,46 +432,6 @@ using char8_type = char8_t;
enum char8_type : unsigned char {};
#endif
template <typename InputIt, typename OutChar>
using needs_conversion = bool_constant<
std::is_same<typename std::iterator_traits<InputIt>::value_type,
char>::value &&
std::is_same<OutChar, char8_type>::value>;
template <typename OutChar, typename InputIt, typename OutputIt,
FMT_ENABLE_IF(!needs_conversion<InputIt, OutChar>::value)>
FMT_CONSTEXPR auto copy_str(InputIt begin, InputIt end, OutputIt out)
-> OutputIt {
while (begin != end) *out++ = *begin++;
return out;
}
template <typename OutChar, typename InputIt,
FMT_ENABLE_IF(!needs_conversion<InputIt, OutChar>::value)>
FMT_CONSTEXPR20 auto copy_str(InputIt begin, InputIt end, OutChar* out)
-> OutChar* {
if (is_constant_evaluated()) {
return copy_str<OutChar, InputIt, OutChar*>(begin, end, out);
}
auto size = to_unsigned(end - begin);
std::uninitialized_copy(begin, end, make_checked(out, size));
return out + size;
}
template <typename OutChar, typename InputIt, typename OutputIt,
FMT_ENABLE_IF(needs_conversion<InputIt, OutChar>::value)>
auto copy_str(InputIt begin, InputIt end, OutputIt out) -> OutputIt {
while (begin != end) *out++ = static_cast<char8_type>(*begin++);
return out;
}
template <typename OutChar, typename InputIt,
FMT_ENABLE_IF(!needs_conversion<InputIt, OutChar>::value)>
auto copy_str(InputIt begin, InputIt end, appender out) -> appender {
get_container(out).append(begin, end);
return out;
}
template <typename OutChar, typename InputIt, typename OutputIt>
FMT_CONSTEXPR FMT_NOINLINE auto copy_str_noinline(InputIt begin, InputIt end,
OutputIt out) -> OutputIt {
@@ -633,13 +593,6 @@ void buffer<T>::append(const U* begin, const U* end) {
}
}
template <typename OutputIt, typename T, typename Traits>
void iterator_buffer<OutputIt, T, Traits>::flush() {
auto size = this->size();
this->clear();
out_ = copy_str<T>(data_, data_ + this->limit(size), out_);
}
template <typename T, typename Enable = void>
struct is_locale : std::false_type {};
template <typename T>
@@ -648,11 +601,6 @@ struct is_locale<T, void_t<decltype(T::classic())>> : std::true_type {};
FMT_MODULE_EXPORT_BEGIN
template <> struct is_char<wchar_t> : std::true_type {};
template <> struct is_char<detail::char8_type> : std::true_type {};
template <> struct is_char<char16_t> : std::true_type {};
template <> struct is_char<char32_t> : std::true_type {};
// The number of characters to store in the basic_memory_buffer object itself
// to avoid dynamic memory allocation.
enum { inline_buffer_size = 500 };