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Implement cfg::uint for unsigned integers

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This commit is contained in:
Nekotekina 2020-04-04 15:33:03 +03:00
parent f05e24e8e8
commit 7f9d41ac47
2 changed files with 120 additions and 2 deletions
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39
Utilities/Config.cpp
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@ -83,7 +83,44 @@ bool cfg::try_to_int64(s64* out, const std::string& value, s64 min, s64 max)
if (result < min || result > max)
{
if (out) cfg_log.error("cfg::try_to_int('%s'): out of bounds (%lld..%lld)", value, min, max);
if (out) cfg_log.error("cfg::try_to_int('%s'): out of bounds (%d..%d)", value, min, max);
return false;
}
if (out) *out = result;
return true;
}
std::vector<std::string> cfg::make_uint_range(u64 min, u64 max)
{
return {std::to_string(min), std::to_string(max)};
}
bool cfg::try_to_uint64(u64* out, const std::string& value, u64 min, u64 max)
{
u64 result;
const char* start = &value.front();
const char* end = &value.back() + 1;
int base = 10;
if (start[0] == '0' && (start[1] == 'x' || start[1] == 'X'))
{
// Limited hex support
base = 16;
start += 2;
}
const auto ret = std::from_chars(start, end, result, base);
if (ret.ec != std::errc() || ret.ptr != end)
{
if (out) cfg_log.error("cfg::try_to_int('%s'): invalid integer", value);
return false;
}
if (result < min || result > max)
{
if (out) cfg_log.error("cfg::try_to_int('%s'): out of bounds (%u..%u)", value, min, max);
return false;
}