SemanticVersion.h

#pragma once
 
#include <string>
#include <string_view>
#include <vector>
 
namespace beast {

class SemanticVersion
{
public:
    using IdentifierList = std::vector<std::string>;
 
    int majorVersion;
    int minorVersion;
    int patchVersion;
 
    IdentifierList preReleaseIdentifiers;
    IdentifierList metaData;
 
    SemanticVersion();
 
    SemanticVersion(std::string_view version);

    bool
    parse(std::string_view input);

    [[nodiscard]] std::string
    print() const;
 
    [[nodiscard]] bool
    isRelease() const noexcept
    {
        return preReleaseIdentifiers.empty();
    }
    [[nodiscard]] bool
    isPreRelease() const noexcept
    {
        return !isRelease();
    }
};

int
compare(SemanticVersion const& lhs, SemanticVersion const& rhs);
 
inline bool
operator==(SemanticVersion const& lhs, SemanticVersion const& rhs)
{
    return compare(lhs, rhs) == 0;
}
 
inline bool
operator!=(SemanticVersion const& lhs, SemanticVersion const& rhs)
{
    return compare(lhs, rhs) != 0;
}
 
inline bool
operator>=(SemanticVersion const& lhs, SemanticVersion const& rhs)
{
    return compare(lhs, rhs) >= 0;
}
 
inline bool
operator<=(SemanticVersion const& lhs, SemanticVersion const& rhs)
{
    return compare(lhs, rhs) <= 0;
}
 
inline bool
operator>(SemanticVersion const& lhs, SemanticVersion const& rhs)
{
    return compare(lhs, rhs) > 0;
}
 
inline bool
operator<(SemanticVersion const& lhs, SemanticVersion const& rhs)
{
    return compare(lhs, rhs) < 0;
}
 
}  // namespace beast