dnote/pkg/server/api/handlers/semver.go
Sung Won Cho 23a511dbe0
Improve package structure (#207)
* Improve package structure

* Set up travis
2019-06-25 19:20:19 +10:00

62 lines
1.5 KiB
Go

/* Copyright (C) 2019 Monomax Software Pty Ltd
*
* This file is part of Dnote.
*
* Dnote is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Dnote is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Dnote. If not, see <https://www.gnu.org/licenses/>.
*/
package handlers
import (
"regexp"
"strconv"
"github.com/pkg/errors"
)
type semver struct {
Major int
Minor int
Patch int
}
func parseSemver(version string) (semver, error) {
re := regexp.MustCompile(`(\d*)\.(\d*)\.(\d*)`)
match := re.FindStringSubmatch(version)
if len(match) != 4 {
return semver{}, errors.Errorf("invalid semver %s", version)
}
major, err := strconv.Atoi(match[1])
if err != nil {
return semver{}, errors.Wrap(err, "converting major version to int")
}
minor, err := strconv.Atoi(match[2])
if err != nil {
return semver{}, errors.Wrap(err, "converting minor version to int")
}
patch, err := strconv.Atoi(match[3])
if err != nil {
return semver{}, errors.Wrap(err, "converting patch version to int")
}
ret := semver{
Major: major,
Minor: minor,
Patch: patch,
}
return ret, nil
}