91 lines
3.2 KiB
C++
91 lines
3.2 KiB
C++
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#ifndef slic3r_Semver_hpp_
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#define slic3r_Semver_hpp_
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#include <string>
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#include <cstring>
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#include <boost/optional.hpp>
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#include <boost/format.hpp>
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#include "semver/semver.h"
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namespace Slic3r {
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class Semver
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{
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public:
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struct Major { const int i; Major(int i) : i(i) {} };
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struct Minor { const int i; Minor(int i) : i(i) {} };
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struct Patch { const int i; Patch(int i) : i(i) {} };
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static boost::optional<Semver> parse(const std::string &str)
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{
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semver_t ver;
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if (::semver_parse(str.c_str(), &ver) == 0) {
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return Semver(ver);
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} else {
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return boost::none;
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}
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}
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Semver(Semver &&other) { *this = std::move(other); }
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Semver(const Semver &other) { *this = other; }
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Semver &operator=(Semver &&other)
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{
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ver = other.ver;
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other.ver.major = other.ver.minor = other.ver.patch = 0;
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other.ver.metadata = other.ver.prerelease = nullptr;
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}
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Semver &operator=(const Semver &other)
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{
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ver = other.ver;
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if (other.ver.metadata != nullptr) { std::strcpy(ver.metadata, other.ver.metadata); }
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if (other.ver.prerelease != nullptr) { std::strcpy(ver.prerelease, other.ver.prerelease); }
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}
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~Semver() { ::semver_free(&ver); }
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// Comparison
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bool operator<(const Semver &b) const { return ::semver_compare(ver, b.ver) == -1; }
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bool operator<=(const Semver &b) const { return ::semver_compare(ver, b.ver) <= 0; }
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bool operator==(const Semver &b) const { return ::semver_compare(ver, b.ver) == 0; }
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bool operator!=(const Semver &b) const { return ::semver_compare(ver, b.ver) != 0; }
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bool operator>=(const Semver &b) const { return ::semver_compare(ver, b.ver) >= 0; }
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bool operator>(const Semver &b) const { return ::semver_compare(ver, b.ver) == 1; }
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// We're using '&' instead of the '~' operator here as '~' is unary-only:
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bool operator&(const Semver &b) const { return ::semver_satisfies_patch(ver, b.ver); }
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bool operator^(const Semver &b) const { return ::semver_satisfies_caret(ver, b.ver); }
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// Conversion
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std::string to_string() const {
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auto res = (boost::format("%1%.%2%.%3%") % ver.major % ver.minor % ver.patch).str();
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if (ver.prerelease != nullptr) { res += '-'; res += ver.prerelease; }
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if (ver.metadata != nullptr) { res += '+'; res += ver.metadata; }
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return res;
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}
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// Arithmetics
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Semver& operator+=(const Major &b) { ver.major += b.i; return *this; }
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Semver& operator+=(const Minor &b) { ver.minor += b.i; return *this; }
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Semver& operator+=(const Patch &b) { ver.patch += b.i; return *this; }
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Semver& operator-=(const Major &b) { ver.major -= b.i; return *this; }
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Semver& operator-=(const Minor &b) { ver.minor -= b.i; return *this; }
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Semver& operator-=(const Patch &b) { ver.patch -= b.i; return *this; }
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Semver operator+(const Major &b) const { Semver res(*this); return res += b; }
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Semver operator+(const Minor &b) const { Semver res(*this); return res += b; }
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Semver operator+(const Patch &b) const { Semver res(*this); return res += b; }
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Semver operator-(const Major &b) const { Semver res(*this); return res -= b; }
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Semver operator-(const Minor &b) const { Semver res(*this); return res -= b; }
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Semver operator-(const Patch &b) const { Semver res(*this); return res -= b; }
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private:
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semver_t ver;
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Semver(semver_t ver) : ver(ver) {}
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};
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}
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#endif
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