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dropin.go
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dropin.go
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/*
* Copyright (C) 2017 ~ 2017 Deepin Technology Co., Ltd.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"encoding/json"
"io"
"os"
"path/filepath"
)
var CacheDir = "/var/lib/lastore/cache"
var BaseDir = "/lastore"
func BuildDesktop2uaid() (map[string]string, error) {
// "dpath -> uaid"
return buildMapStringStringInfo(filepath.Join(BaseDir, "override", "desktop2uaid"))
}
func BuildCategories() (map[string]string, error) {
// "xdg category -> lastore category"
return buildMapStringStringInfo(filepath.Join(BaseDir, "override", "xcategories"))
}
func handleDropinDir(dirPath string, handle func(f io.Reader) error) error {
return filepath.Walk(dirPath, func(path string, info os.FileInfo, err error) error {
if path == dirPath {
return nil
}
if info.IsDir() {
return filepath.SkipDir
}
f, err := os.Open(path)
if err != nil {
return err
}
defer f.Close()
return handle(f)
})
}
func buildMapStringStringInfo(dir string) (map[string]string, error) {
var all = make(map[string]string)
err := handleDropinDir(dir, func(f io.Reader) error {
var t map[string]string
d := json.NewDecoder(f)
err := d.Decode(&t)
for k, v := range t {
if v == "" {
delete(all, k)
} else if k == "" {
continue
} else {
all[k] = v
}
}
return err
})
return all, err
}