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VILLASnode/common/lib/version.cpp

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/* Version.
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*
* Author: Steffen Vogel <post@steffenvogel.de>
* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
* SPDX-License-Identifier: Apache-2.0
*/
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#include <stdexcept>
#include <string>
#include <villas/log.hpp>
#include <villas/utils.hpp>
#include <villas/version.hpp>
using namespace villas::utils;
Version::Version(const std::string &str) {
size_t endpos;
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auto comp = tokenize(str, ".");
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if (comp.size() > 3)
throw std::invalid_argument("Not a valid version string");
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for (unsigned i = 0; i < 3; i++) {
if (i < comp.size()) {
components[i] = std::stoi(comp[i], &endpos, 10);
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if (comp[i].begin() + endpos != comp[i].end())
throw std::invalid_argument("Not a valid version string");
} else
components[i] = 0;
}
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}
Version::Version(int maj, int min, int pat) : components{maj, min, pat} {}
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int Version::cmp(const Version &lhs, const Version &rhs) {
int d;
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for (int i = 0; i < 3; i++) {
d = lhs.components[i] - rhs.components[i];
if (d)
return d;
}
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return 0;
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}