diff options
Diffstat (limited to 'src/conversion.hpp')
| -rw-r--r-- | src/conversion.hpp | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/src/conversion.hpp b/src/conversion.hpp index 4ae5b7c..0bdf82d 100644 --- a/src/conversion.hpp +++ b/src/conversion.hpp @@ -1,13 +1,32 @@ #pragma once +#include <ctre.hpp> #include <string_view> constexpr unsigned int NUMBER_BASE = 10U; +template <typename ResultType> +class ConversionResult +{ +public: + explicit ConversionResult(const bool &success_, const ResultType &result_, + const std::string_view &fail_reason_ = "") + : success(success_), result(result_), fail_reason(fail_reason_) + { + } + + const bool &success; + const ResultType &result; + const std::string_view &fail_reason; +}; + +static constexpr auto IS_VALID_UINT = ctll::fixed_string("^[0-9]+$"); +static constexpr auto IS_UINT_IN_RANGE = ctll::fixed_string("^[0-9]{1,19}$"); + /** * Converts a string to a unsigned integer. * * @param str A string that possibly is a unsigned integer - * @returns A unsigned integer + * @returns A conversion result */ -unsigned int str_to_uint(const std::string_view &str); +ConversionResult<unsigned int> str_to_uint(const std::string_view &str); |