netgen/libsrc/core/version.hpp

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#ifndef NETGEN_CORE_VERSION_HPP
#define NETGEN_CORE_VERSION_HPP
#include <string>
#include <tuple>
#include "ngcore_api.hpp"
namespace ngcore
{
class VersionInfo
{
private:
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size_t mayor_{}, minor_{}, release{}, patch{};
std::string git_hash{};
public:
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VersionInfo() = default;
VersionInfo(std::string vstring)
{
minor_ = release = patch = 0;
git_hash = "";
if(vstring.substr(0,1) == "v")
vstring = vstring.substr(1,vstring.size()-1);
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auto dot = vstring.find('.');
mayor_ = std::stoi(vstring.substr(0,dot));
if(dot == size_t(-1)) vstring = "";
else vstring = vstring.substr(dot+1, vstring.size()-dot-1);
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if(!vstring.empty())
{
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dot = vstring.find('.');
minor_ = std::stoi(vstring.substr(0,dot));
if (dot == size_t(-1)) vstring = "";
else vstring = vstring.substr(dot+1, vstring.size()-dot-1);
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if(!vstring.empty())
{
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dot = vstring.find('-');
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release = std::stoi(vstring.substr(0,dot));
if(dot == size_t(-1)) vstring = "";
else vstring = vstring.substr(dot+1,vstring.size()-dot-1);
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if(!vstring.empty())
{
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dot = vstring.find('-');
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patch = std::stoi(vstring.substr(0,dot));
if(dot == size_t(-1)) vstring = "";
else vstring = vstring.substr(dot+1, vstring.size()-dot-1);
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if(!vstring.empty())
git_hash = vstring;
}
}
}
}
VersionInfo(const char* cstr) : VersionInfo(std::string(cstr)) { }
std::string to_string() const
{ std::string vstring = "v" + std::to_string(mayor_);
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if(minor_ || release || patch || !git_hash.empty())
{
vstring += "." + std::to_string(minor_);
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if(release || patch || !git_hash.empty())
{
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vstring += "." + std::to_string(release);
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if(patch || !git_hash.empty())
{
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vstring += "-" + std::to_string(patch);
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if(!git_hash.empty())
vstring += "-" + git_hash;
}
}
}
return vstring;
}
bool operator <(const VersionInfo& other) const
{
return std::tie(mayor_, minor_, release, patch) <
std::tie(other.mayor_, other.minor_, other.release, other.patch);
}
bool operator ==(const VersionInfo& other) const
{
return mayor_ == other.mayor_ && minor_ == other.minor_ && release == other.release
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&& patch == other.patch;
}
bool operator >(const VersionInfo& other) const { return other < (*this); }
bool operator <=(const VersionInfo& other) const { return !((*this) > other); }
bool operator >=(const VersionInfo& other) const { return !((*this) < other); }
};
} // namespace ngcore
#endif // NETGEN_CORE_VERSION_HPP