forked from OSchip/llvm-project
73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LIBCPP_TEST_SUPPORT_PARSE_INTEGER_H
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#define LIBCPP_TEST_SUPPORT_PARSE_INTEGER_H
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#include <string>
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namespace detail {
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template <class T>
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struct parse_integer_impl;
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template <>
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struct parse_integer_impl<int> {
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template <class CharT>
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int operator()(std::basic_string<CharT> const& str) const {
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return std::stoi(str);
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}
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};
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template <>
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struct parse_integer_impl<long> {
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template <class CharT>
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long operator()(std::basic_string<CharT> const& str) const {
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return std::stol(str);
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}
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};
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template <>
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struct parse_integer_impl<long long> {
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template <class CharT>
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long long operator()(std::basic_string<CharT> const& str) const {
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return std::stoll(str);
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}
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};
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template <>
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struct parse_integer_impl<unsigned int> {
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template <class CharT>
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unsigned int operator()(std::basic_string<CharT> const& str) const {
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return std::stoul(str);
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}
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};
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template <>
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struct parse_integer_impl<unsigned long> {
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template <class CharT>
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unsigned long operator()(std::basic_string<CharT> const& str) const {
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return std::stoul(str);
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}
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};
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template <>
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struct parse_integer_impl<unsigned long long> {
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template <class CharT>
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unsigned long long operator()(std::basic_string<CharT> const& str) const {
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return std::stoull(str);
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}
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};
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} // end namespace detail
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template <class T, class CharT>
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T parse_integer(std::basic_string<CharT> const& str) {
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return detail::parse_integer_impl<T>()(str);
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}
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#endif // LIBCPP_TEST_SUPPORT_PARSE_INTEGER_H
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