117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
/*
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* Copyright (c) 2015 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package main
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import (
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"fmt"
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"io/ioutil"
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"path/filepath"
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"regexp"
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"strconv"
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"strings"
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"time"
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)
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type Database struct {
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base string
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versions []Version
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}
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func NewDatabase(dir string) (*Database, error) {
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db := &Database{base: dir}
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if err := db.load(dir); err != nil {
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return nil, err
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}
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return db, nil
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}
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func (this *Database) load(dir string) error {
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base, err := filepath.Abs(dir)
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if err != nil {
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return err
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}
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this.base = base
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dirs, err := this.scan(dir)
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if err != nil {
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return err
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}
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this.version(dirs)
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return nil
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}
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func (this *Database) version(dirs []string) []Version {
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versions := make([]Version, 0, len(dirs))
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// var parent *Version
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// for _, dir := range dirs {
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// base := filepath.Join(this.base, dir)
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// // timestamp := this.timestamp(dir)
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// // version := NewVersion(base, timestamp, parent)
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// // parent = version
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// }
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return versions
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}
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func (this *Database) scan(dir string) ([]VersionMeta, error) {
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nodes, err := ioutil.ReadDir(dir)
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if err != nil {
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return nil, err
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}
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re, err := regexp.Compile(`^vfs_([0-9a-f])$`)
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var meta []VersionMeta
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for _, node := range nodes {
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if !node.IsDir() {
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continue
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}
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matches := re.FindStringSubmatch(node.Name())
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if len(matches) < 2 {
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continue
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}
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timestamp, err := strconv.ParseInt(matches[1], 16, 64)
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if err != nil {
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continue
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}
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item := VersionMeta{
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path: filepath.Join(dir, matches[0]),
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timestamp: time.Unix(timestamp, 0)}
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meta = append(meta, item)
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}
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return meta, nil
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}
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func (this *Database) scanProps(path string) error {
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}
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