67 lines
1.1 KiB
Go
67 lines
1.1 KiB
Go
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package semantic
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import (
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"fmt"
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"strconv"
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"strings"
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)
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// Version struct holds semantic versioning information
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type Version struct {
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Major int
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Minor int
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Patch int
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}
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// VersionFromString creates new semantic Version by parsing version string
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func VersionFromString(version string) (Version, error) {
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parts := strings.Split(version, ".")
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var ret Version
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if len(parts) > 0 {
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major, err := strconv.Atoi(parts[0])
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if err != nil {
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return ret, fmt.Errorf("major is not a number: %w", err)
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}
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ret.Major = major
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}
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if len(parts) > 1 {
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minor, err := strconv.Atoi(parts[1])
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if err != nil {
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return ret, fmt.Errorf("minor is not a number: %w", err)
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}
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ret.Minor = minor
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}
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if len(parts) > 2 {
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patch, err := strconv.Atoi(parts[2])
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if err != nil {
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return ret, fmt.Errorf("patch is not a number: %w", err)
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}
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ret.Patch = patch
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}
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return ret, nil
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}
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// Lt returns true if this version is less than version parameter
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func (v Version) Lt(version Version) bool {
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if v.Major < version.Major {
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return true
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}
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if v.Minor < version.Minor {
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return true
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}
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return v.Patch < version.Patch
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}
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