46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*
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* This file is open source software, licensed to you under the terms
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* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
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* distributed with this work for additional information regarding copyright
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* ownership. You may not use this file except in compliance with the License.
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*
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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,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/*
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* Copyright (C) 2014 Cloudius Systems, Ltd.
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*/
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#ifndef CONVERSIONS_CC_
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#define CONVERSIONS_CC_
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#include "conversions.hh"
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#include "core/print.hh"
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#include <boost/lexical_cast.hpp>
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size_t parse_memory_size(std::string s) {
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size_t factor = 1;
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if (s.size()) {
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auto c = s[s.size() - 1];
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static std::string suffixes = "kMGT";
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auto pos = suffixes.find(c);
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if (pos == suffixes.npos) {
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throw std::runtime_error(sprint("Cannot parse memory size '%s'", s));
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}
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factor <<= (pos + 1) * 10;
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s = s.substr(0, s.size() - 1);
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}
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return boost::lexical_cast<size_t>(s) * factor;
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}
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#endif /* CONVERSIONS_CC_ */
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