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package proxy
import (
"bytes"
"regexp"
"strings"
"github.com/jumpserver/koko/pkg/utils"
)
var ps1Pattern = regexp.MustCompile(`^\[?.*@.*\]?[\\$#]\s|mysql>\s`)
func NewCmdParser() *CmdParser {
parser := &CmdParser{}
parser.initial()
return parser
}
type CmdParser struct {
term *utils.Terminal
buf *bytes.Buffer
}
func (cp *CmdParser) Reset() {
cp.buf.Reset()
}
func (cp *CmdParser) initial() {
cp.buf = new(bytes.Buffer)
cp.term = utils.NewTerminal(cp.buf, "")
cp.term.SetEcho(false)
}
func (cp *CmdParser) parsePS1(s string) string {
return ps1Pattern.ReplaceAllString(s, "")
}
// Parse 解析命令或输出
func (cp *CmdParser) Parse(b []byte) string {
cp.buf.Write(b)
cp.buf.WriteString("\r")
lines, _ := cp.term.ReadLines()
cp.Reset()
output := strings.TrimSpace(strings.Join(lines, "\r\n"))
output = cp.parsePS1(output)
return output
}