cmd/frostfs-cli/modules/container/policy_playground.go

@@ -1,10 +1,11 @@
 package container
 
 import (
+	"bufio"
 	"encoding/hex"
 	"encoding/json"
-	"errors"
 	"fmt"
+	"io"
 	"os"
 	"strings"
 
@@ -13,7 +14,6 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key"
 	commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
-	"github.com/chzyer/readline"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
@@ -163,16 +163,6 @@ func (repl *policyPlaygroundREPL) netMap() netmap.NetMap {
 	return nm
 }
 
-var policyPlaygroundCompleter = readline.NewPrefixCompleter(
-	readline.PcItem("list"),
-	readline.PcItem("ls"),
-	readline.PcItem("add"),
-	readline.PcItem("load"),
-	readline.PcItem("remove"),
-	readline.PcItem("rm"),
-	readline.PcItem("eval"),
-)
-
 func (repl *policyPlaygroundREPL) run() error {
 	if len(viper.GetString(commonflags.RPC)) > 0 {
 		key := key.GetOrGenerate(repl.cmd)
@@ -199,38 +189,22 @@ func (repl *policyPlaygroundREPL) run() error {
 		"rm":     repl.handleRemove,
 		"eval":   repl.handleEval,
 	}
-
-	rl, err := readline.NewEx(&readline.Config{
-		Prompt:          "> ",
-		InterruptPrompt: "^C",
-		AutoComplete:    policyPlaygroundCompleter,
-	})
-	if err != nil {
-		return fmt.Errorf("error initializing readline: %w", err)
-	}
-	defer rl.Close()
-
-	var exit bool
-	for {
-		line, err := rl.Readline()
+	for reader := bufio.NewReader(os.Stdin); ; {
+		fmt.Print("> ")
+		line, err := reader.ReadString('\n')
 		if err != nil {
-			if errors.Is(err, readline.ErrInterrupt) {
-				if exit {
-					return nil
-				}
-				exit = true
-				continue
+			if err == io.EOF {
+				return nil
 			}
-			return fmt.Errorf("reading line: %w", err)
+			return fmt.Errorf("reading line: %v", err)
 		}
-		exit = false
-
 		parts := strings.Fields(line)
 		if len(parts) == 0 {
 			continue
 		}
 		cmd := parts[0]
-		if handler, exists := cmdHandlers[cmd]; exists {
+		handler, exists := cmdHandlers[cmd]
+		if exists {
 			if err := handler(parts[1:]); err != nil {
 				fmt.Printf("error: %v\n", err)
 			}