Gopher2600/archivefs/sort.go

35 lines
1.2 KiB
Go

// This file is part of Gopher2600.
//
// Gopher2600 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
// (at your option) any later version.
//
// Gopher2600 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 Gopher2600. If not, see <https://www.gnu.org/licenses/>.
package archivefs
import (
"sort"
"strings"
)
// Sort entries according to the archivefs rules, which are simply: case
// insensitive and directories at the top of the listing.
func Sort(entries []Entry) {
// sort so that directories are at the start of the list
sort.Slice(entries, func(i int, j int) bool {
return entries[i].IsDir
})
// sort alphabetically (case insensitive)
sort.SliceStable(entries, func(i int, j int) bool {
return strings.ToLower(entries[i].Name) < strings.ToLower(entries[j].Name)
})
}