forked from TrueCloudLab/frostfs-node
[#1396] adm/playground: Improve terminal control key handling
Signed-off-by: Alexander Chuprov <a.chuprov@yadro.com>
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parent
8a57c78f5f
commit
9f38899e9c
1 changed files with 34 additions and 7 deletions
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@ -1,11 +1,10 @@
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package container
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import (
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"bufio"
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"encoding/hex"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"os"
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"strings"
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@ -14,6 +13,7 @@ import (
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"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key"
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commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
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"github.com/chzyer/readline"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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@ -163,6 +163,16 @@ func (repl *policyPlaygroundREPL) netMap() netmap.NetMap {
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return nm
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}
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var policyPlaygroundCompleter = readline.NewPrefixCompleter(
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readline.PcItem("list"),
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readline.PcItem("ls"),
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readline.PcItem("add"),
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readline.PcItem("load"),
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readline.PcItem("remove"),
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readline.PcItem("rm"),
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readline.PcItem("eval"),
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)
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func (repl *policyPlaygroundREPL) run() error {
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if len(viper.GetString(commonflags.RPC)) > 0 {
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key := key.GetOrGenerate(repl.cmd)
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@ -189,15 +199,32 @@ func (repl *policyPlaygroundREPL) run() error {
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"rm": repl.handleRemove,
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"eval": repl.handleEval,
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}
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for reader := bufio.NewReader(os.Stdin); ; {
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fmt.Print("> ")
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line, err := reader.ReadString('\n')
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rl, err := readline.NewEx(&readline.Config{
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Prompt: "> ",
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InterruptPrompt: "^C",
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AutoComplete: policyPlaygroundCompleter,
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})
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if err != nil {
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fmt.Println("error initializing readline:", err)
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}
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defer rl.Close()
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var exit bool
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for {
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line, err := rl.Readline()
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if err != nil {
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if err == io.EOF {
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return nil
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if errors.Is(err, readline.ErrInterrupt) {
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if exit {
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return nil
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}
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exit = true
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continue
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}
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return fmt.Errorf("reading line: %v", err)
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}
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exit = false
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parts := strings.Fields(line)
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if len(parts) == 0 {
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continue
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