1
0
forked from x/icebergs
icebergs/base/nfs/hex.go
2022-12-08 20:57:08 +08:00

52 lines
1.2 KiB
Go

package nfs
import (
"compress/gzip"
"compress/zlib"
"encoding/hex"
"io"
"os"
"strings"
ice "shylinux.com/x/icebergs"
"shylinux.com/x/icebergs/base/mdb"
kit "shylinux.com/x/toolkits"
)
const HEX = "hex"
func init() {
Index.MergeCommands(ice.Commands{HEX: {Name: "hex path compress=raw,gzip,zlib size auto", Help: "二进制", Hand: func(m *ice.Message, arg ...string) {
if len(arg) == 0 || arg[0] == "" || strings.HasSuffix(arg[0], ice.PS) {
m.Cmdy(DIR, kit.Slice(arg, 0, 1))
return
}
if f, e := os.Open(arg[0]); !m.Warn(e, ice.ErrNotFound, arg[0]) {
defer f.Close()
s, _ := f.Stat()
var r io.Reader = f
switch arg[1] {
case "gzip":
if g, e := gzip.NewReader(r); !m.Warn(e) {
r = g
}
case "zlib":
if z, e := zlib.NewReader(r); !m.Warn(e) {
r = z
}
}
buf := make([]byte, kit.Int(kit.Select("1024", arg, 2)))
n, _ := r.Read(buf)
for i := 0; i < n; i++ {
if i%8 == 0 {
m.Push("n", kit.Format("%04d", i))
}
if m.Push(kit.Format(i%8), hex.EncodeToString(buf[i:i+1])); i%8 == 7 {
m.Push("text", string(buf[i-7:i+1]))
}
}
m.Status(mdb.TIME, s.ModTime().Format(ice.MOD_TIME), FILE, arg[0], SIZE, kit.FmtSize(s.Size()))
}
}}})
}