goftp-server/list_formatter.go
Lunny Xiao cd5263e23e Merge file driver into main repository (#83)
Merge file driver into main repository

Reviewed-on: goftp/server#83
2020-02-04 12:21:27 +00:00

50 lines
1.2 KiB
Go

// Copyright 2018 The goftp Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package server
import (
"bytes"
"fmt"
"strconv"
"strings"
)
type listFormatter []FileInfo
// Short returns a string that lists the collection of files by name only,
// one per line
func (formatter listFormatter) Short() []byte {
var buf bytes.Buffer
for _, file := range formatter {
fmt.Fprintf(&buf, "%s\r\n", file.Name())
}
return buf.Bytes()
}
// Detailed returns a string that lists the collection of files with extra
// detail, one per line
func (formatter listFormatter) Detailed() []byte {
var buf bytes.Buffer
for _, file := range formatter {
fmt.Fprintf(&buf, file.Mode().String())
fmt.Fprintf(&buf, " 1 %s %s ", file.Owner(), file.Group())
fmt.Fprintf(&buf, lpad(strconv.FormatInt(file.Size(), 10), 12))
fmt.Fprintf(&buf, file.ModTime().Format(" Jan _2 15:04 "))
fmt.Fprintf(&buf, "%s\r\n", file.Name())
}
return buf.Bytes()
}
func lpad(input string, length int) (result string) {
if len(input) < length {
result = strings.Repeat(" ", length-len(input)) + input
} else if len(input) == length {
result = input
} else {
result = input[0:length]
}
return
}