You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.0 KiB
48 lines
1.0 KiB
#include "utils/format_int.hpp" |
|
|
|
#include <fmt/compile.h> |
|
#include <fmt/core.h> |
|
|
|
#include "utils/language.h" |
|
#include "utils/stdcompat/string_view.hpp" |
|
|
|
namespace devilution { |
|
|
|
std::string FormatInteger(int n) |
|
{ |
|
constexpr size_t GroupSize = 3; |
|
|
|
char buf[40]; |
|
char *begin = buf; |
|
const char *end = fmt::format_to(buf, FMT_COMPILE("{}"), n); |
|
const size_t len = end - begin; |
|
|
|
std::string out; |
|
const size_t prefixLen = n < 0 ? 1 : 0; |
|
const size_t numLen = len - prefixLen; |
|
if (numLen <= GroupSize) { |
|
out.append(begin, len); |
|
return out; |
|
} |
|
|
|
const string_view separator = _(/* TRANSLATORS: Thousands separator */ ","); |
|
out.reserve(len + separator.size() * (numLen - 1) / GroupSize); |
|
if (n < 0) { |
|
out += '-'; |
|
++begin; |
|
} |
|
|
|
size_t mlen = numLen % GroupSize; |
|
if (mlen == 0) |
|
mlen = GroupSize; |
|
out.append(begin, mlen); |
|
begin += mlen; |
|
for (; begin != end; begin += GroupSize) { |
|
AppendStrView(out, separator); |
|
out.append(begin, GroupSize); |
|
} |
|
|
|
return out; |
|
} |
|
|
|
} // namespace devilution
|
|
|