54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2017 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef CRUFT_UTIL_PARSE_HPP
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#define CRUFT_UTIL_PARSE_HPP
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#include <cstring>
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#include <string>
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#include <iterator>
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namespace util {
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///////////////////////////////////////////////////////////////////////////
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/// extracts an instance of a native type T from the string [first, last).
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///
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/// throws std::invalid_argument when the type cannot be parsed.
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template <typename T>
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T
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parse (const char *first, const char *last);
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//-------------------------------------------------------------------------
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template <typename T>
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T
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parse (const char *str)
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{
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return parse<T> (str, str + strlen (str));
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}
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//-------------------------------------------------------------------------
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template <typename T>
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T
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parse (const std::string &str)
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{
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return parse<T> (std::cbegin (str), std::cend (str));
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}
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}
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#endif
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