Function FindMaxVersion

opensca/sca/php/composer.go:229–274

(version string, versions []string)

}

func FindMaxVersion(version string, versions []string) string {
	fix := func(s string) string {
		if i := strings.Index(s, "@"); i != -1 {
			s = s[:i]
		}
		s = strings.TrimLeft(strings.TrimSpace(s), "vV")
		// 将 ~x[.x](php范围约束) 替换为 ^x[.x](semver范围约束)
		var fix []string
		for sub := range strings.SplitSeq(s, ",") {
			if strings.Contains(sub, "~") && strings.Count(sub, ".") < 2 {
				sub = strings.ReplaceAll(sub, "~", "^")
			}
			fix = append(fix, sub)
		}
		return strings.Join(fix, ",")
	}
	var cs []*semver.Constraints
	for v := range strings.SplitSeq(version, "|") {
		c, err := semver.NewConstraint(fix(v))
		if err == nil {
			cs = append(cs, c)
		}
	}
	var vers []string
	for _, v := range versions {
		ver, err := semver.NewVersion(fix(v))
		if err != nil {
			continue
		}
		for _, c := range cs {
			if c.Check(ver) {
				vers = append(vers, v)
				break
			}
		}
	}
	sort.Slice(vers, func(i, j int) bool {
		v1, _ := semver.NewVersion(fix(vers[i]))
		v2, _ := semver.NewVersion(fix(vers[j]))
		return v1.Compare(v2) > 0
	})
	if len(vers) > 0 {
		return vers[0]
	}
	return version
}