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package ui
import (
"bufio"
"fmt"
"os"
"strconv"
"strings"
"github.com/prodhe/poe/editor"
)
// Cli implements ui.Interface with simple command-line driven user actions.
type Cli struct {
ed editor.Editor
}
func (c *Cli) Init(e editor.Editor) error {
c.ed = e
if c.ed.Len() == 0 {
c.ed.NewBuffer()
}
return nil
}
func (c *Cli) Close() {
}
func (c *Cli) Listen() {
scanner := bufio.NewScanner(os.Stdin)
var input []string
outer:
for {
scanner.Scan()
input = strings.Split(scanner.Text(), " ")
switch input[0][0] { // first rune in input
case 'q': // quit
break outer
case 'f': // list files
ids, bs := c.ed.Buffers()
fmt.Printf("%v\n%v\n", ids, bs)
case 'e': // edit/load file name
if len(input) <= 1 {
c.ed.NewBuffer()
}
c.ed.LoadBuffers(input[1:])
case 'b': // select active buffer
if len(input) > 1 {
id, _ := strconv.ParseInt(input[1], 10, 64)
c.ed.Buffer(id)
break
}
c.ed.NewBuffer()
case 'a': // append
if len(input) < 2 {
break
}
//c.ed.Current().Write([]byte(strings.Join(input[1:], " ")))
default:
fmt.Println("?")
}
}
}
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