cli/src/util/Version.cpp at dev · vixcpp/cli · GitHub

History

89 lines (72 loc) · 1.87 KB

Raw

/**

* @file Version.cpp

* @author Gaspard Kirira

* https://github.com/vixcpp/vix

* Use of this source code is governed by a MIT license

* that can be found in the License file.

* Vix.cpp

#include <vix/cli/util/Version.hpp>

#include <algorithm>

#include <cctype>

#include <stdexcept>

namespace vix::cli::util

{

std::vector<int> parseVersionParts(const std::string &version)

{

std::vector<int> parts;

std::string current;

for (char c : version)

{

if (c == '.')

{

if (!current.empty())

{

parts.push_back(std::stoi(current));

current.clear();

}

continue;

}

if (!std::isdigit(static_cast<unsigned char>(c)))

throw std::runtime_error("invalid version segment: " + version);

current += c;

}

if (!current.empty())

parts.push_back(std::stoi(current));

return parts;

}

int compareVersions(const std::string &lhs, const std::string &rhs)

{

const std::vector<int> left = parseVersionParts(lhs);

const std::vector<int> right = parseVersionParts(rhs);

const std::size_t maxSize = std::max(left.size(), right.size());

for (std::size_t i = 0; i < maxSize; ++i)

{

const int l = (i < left.size()) ? left[i] : 0;

const int r = (i < right.size()) ? right[i] : 0;

if (l < r)

return -1;

if (l > r)

return 1;

}

return 0;

}

bool isVersionGreater(const std::string &lhs, const std::string &rhs)

{

return compareVersions(lhs, rhs) > 0;

}

std::string findLatestVersionFromJsonObjectKeys(const std::vector<std::string> &versions)

{

std::string best;

for (const std::string &version : versions)

{

if (best.empty() || isVersionGreater(version, best))

best = version;

}

return best;

}

cli/src/util/Version.cpp at dev · vixcpp/cli · GitHub

Uh oh!

Expand file tree

Breadcrumbs

Version.cpp

Latest commit

History

Breadcrumbs

Version.cpp

File metadata and controls