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103 lines
2.0 KiB
C++
103 lines
2.0 KiB
C++
#pragma once
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#include <string>
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#include <string_view>
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#include <vector>
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namespace beast {
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/**
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* A Semantic Version number.
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*
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* Identifies the build of a particular version of software using
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* the Semantic Versioning Specification described here:
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*
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* http://semver.org/
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*/
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class SemanticVersion
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{
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public:
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using identifier_list = std::vector<std::string>;
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int majorVersion;
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int minorVersion;
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int patchVersion;
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identifier_list preReleaseIdentifiers;
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identifier_list metaData;
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SemanticVersion();
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SemanticVersion(std::string_view version);
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/**
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* Parse a semantic version string.
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* The parsing is as strict as possible.
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* @return `true` if the string was parsed.
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*/
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bool
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parse(std::string_view input);
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/**
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* Produce a string from semantic version components.
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*/
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[[nodiscard]] std::string
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print() const;
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[[nodiscard]] bool
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isRelease() const noexcept
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{
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return preReleaseIdentifiers.empty();
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}
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[[nodiscard]] bool
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isPreRelease() const noexcept
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{
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return !isRelease();
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}
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};
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/**
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* Compare two SemanticVersions against each other.
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* The comparison follows the rules as per the specification.
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*/
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int
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compare(SemanticVersion const& lhs, SemanticVersion const& rhs);
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inline bool
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operator==(SemanticVersion const& lhs, SemanticVersion const& rhs)
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{
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return compare(lhs, rhs) == 0;
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}
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inline bool
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operator!=(SemanticVersion const& lhs, SemanticVersion const& rhs)
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{
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return compare(lhs, rhs) != 0;
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}
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inline bool
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operator>=(SemanticVersion const& lhs, SemanticVersion const& rhs)
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{
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return compare(lhs, rhs) >= 0;
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}
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inline bool
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operator<=(SemanticVersion const& lhs, SemanticVersion const& rhs)
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{
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return compare(lhs, rhs) <= 0;
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}
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inline bool
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operator>(SemanticVersion const& lhs, SemanticVersion const& rhs)
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{
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return compare(lhs, rhs) > 0;
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}
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inline bool
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operator<(SemanticVersion const& lhs, SemanticVersion const& rhs)
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{
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return compare(lhs, rhs) < 0;
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}
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} // namespace beast
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