mirror of
https://github.com/jixishi/SerialTerminalForWindowsTerminal.git
synced 2026-06-15 16:42:46 +00:00
JiXieShi
e0de872740
Extract ConvertChunk/FormatHexFrame into pkg/charset (zero external deps). Extract UIEvent/UIEventKind/UIPanelKind types into internal/event. Update all references across main package to use qualified imports. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
478 lines
11 KiB
Go
478 lines
11 KiB
Go
package main
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import (
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"encoding/hex"
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"fmt"
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"sort"
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"strconv"
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"strings"
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"github.com/jixishi/SerialTerminalForWindowsTerminal/internal/event"
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)
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type CommandHandler func(args []string) error
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type CommandCompleter func(args []string) []string
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type RuntimeCommand struct {
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Name string
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Usage string
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Description string
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Handler CommandHandler
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Completer CommandCompleter
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}
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type CommandDispatcher struct {
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app *App
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commands map[string]*RuntimeCommand
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order []string
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}
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func NewCommandDispatcher(app *App) *CommandDispatcher {
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d := &CommandDispatcher{
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app: app,
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commands: make(map[string]*RuntimeCommand),
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}
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d.registerAll()
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return d
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}
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func (d *CommandDispatcher) register(cmd RuntimeCommand) {
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key := strings.ToLower(cmd.Name)
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d.commands[key] = &cmd
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d.order = append(d.order, key)
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}
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func (d *CommandDispatcher) registerAll() {
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d.register(RuntimeCommand{
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Name: ".help",
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Usage: ".help",
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Description: "show command help",
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Handler: func(args []string) error {
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d.app.ShowModal("Command Help", d.HelpText())
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return nil
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},
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})
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d.register(RuntimeCommand{
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Name: ".exit",
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Usage: ".exit",
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Description: "exit local terminal",
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Handler: func(args []string) error {
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d.app.Statusf("[local] exiting")
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d.app.Close()
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return nil
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},
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})
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d.register(RuntimeCommand{
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Name: ".hex",
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Usage: ".hex <hex-data>",
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Description: "send raw hex bytes",
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Handler: func(args []string) error {
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if len(args) < 2 {
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return fmt.Errorf("usage: .hex <hex-data>")
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}
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hexStr := strings.Join(args[1:], "")
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b, err := hex.DecodeString(hexStr)
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if err != nil {
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return err
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}
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return d.app.writeToSession(b)
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},
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})
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d.register(RuntimeCommand{
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Name: ".forward",
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Usage: ".forward <list|add|remove|enable|disable|update|stats>",
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Description: "manage forwarding at runtime",
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Handler: d.handleForwardCommand,
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Completer: completeForward,
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})
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d.register(RuntimeCommand{
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Name: ".plugin",
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Usage: ".plugin <list|load|unload|enable|disable|reload>",
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Description: "manage lua plugins",
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Handler: d.handlePluginCommand,
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Completer: completePlugin,
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})
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d.register(RuntimeCommand{
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Name: ".mode",
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Usage: ".mode <show|set>",
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Description: "show or update runtime terminal mode",
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Handler: func(args []string) error {
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return d.handleModeCommand(args)
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},
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Completer: completeMode,
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})
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}
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func (d *CommandDispatcher) Execute(line string) (bool, error) {
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args := strings.Fields(strings.TrimSpace(line))
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if len(args) == 0 {
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return false, nil
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}
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if !strings.HasPrefix(args[0], ".") {
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return false, nil
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}
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cmd, ok := d.commands[strings.ToLower(args[0])]
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if !ok {
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return true, fmt.Errorf("unknown command: %s", args[0])
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}
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if err := cmd.Handler(args); err != nil {
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return true, err
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}
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return true, nil
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}
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func (d *CommandDispatcher) HelpText() string {
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keys := make([]string, 0, len(d.order))
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for _, k := range d.order {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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var b strings.Builder
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b.WriteString("Commands:\n")
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for _, k := range keys {
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cmd := d.commands[k]
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b.WriteString(fmt.Sprintf(" %-12s %-40s %s\n", cmd.Name, cmd.Usage, cmd.Description))
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}
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return b.String()
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}
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func (d *CommandDispatcher) Complete(line string) (string, []string) {
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trimmed := strings.TrimLeft(line, " ")
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if trimmed == "" {
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return line, nil
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}
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args := strings.Fields(trimmed)
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endsWithSpace := strings.HasSuffix(line, " ")
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if len(args) == 0 {
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return line, nil
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}
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if len(args) == 1 && !endsWithSpace {
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return completeFirstToken(line, args[0], d.commandNames())
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}
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cmdName := strings.ToLower(args[0])
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cmd, ok := d.commands[cmdName]
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if !ok || cmd.Completer == nil {
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return line, nil
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}
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compArgs := args
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if endsWithSpace {
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compArgs = append(compArgs, "")
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}
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cands := cmd.Completer(compArgs)
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if len(cands) == 0 {
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return line, nil
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}
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current := compArgs[len(compArgs)-1]
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base := strings.TrimSuffix(line, current)
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matches := filterPrefix(cands, current)
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if len(matches) == 0 {
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matches = cands
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}
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if len(matches) == 1 {
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return base + matches[0], matches
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}
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return line, matches
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}
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func (d *CommandDispatcher) commandNames() []string {
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names := make([]string, 0, len(d.commands))
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for _, cmd := range d.commands {
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names = append(names, cmd.Name)
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}
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sort.Strings(names)
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return names
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}
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func completeFirstToken(line, token string, cands []string) (string, []string) {
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matches := filterPrefix(cands, token)
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if len(matches) == 0 {
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return line, nil
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}
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if len(matches) == 1 {
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prefix := strings.TrimSuffix(line, token)
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return prefix + matches[0] + " ", matches
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}
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return line, matches
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}
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func filterPrefix(cands []string, cur string) []string {
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if cur == "" {
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return append([]string{}, cands...)
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}
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res := make([]string, 0, len(cands))
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for _, c := range cands {
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if strings.HasPrefix(strings.ToLower(c), strings.ToLower(cur)) {
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res = append(res, c)
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}
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}
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return res
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}
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func completeForward(args []string) []string {
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if len(args) <= 2 {
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return []string{"list", "add", "remove", "enable", "disable", "update", "stats"}
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}
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if len(args) == 3 && args[1] == "add" {
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return []string{"tcp", "udp"}
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}
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if len(args) == 4 && args[1] == "update" {
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return []string{"tcp", "udp"}
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}
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return nil
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}
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func completePlugin(args []string) []string {
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if len(args) <= 2 {
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return []string{"list", "load", "unload", "enable", "disable", "reload"}
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}
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return nil
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}
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func completeMode(args []string) []string {
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if len(args) <= 2 {
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return []string{"show", "set"}
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}
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if len(args) == 3 && args[1] == "set" {
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return []string{"in", "out", "end", "frame", "timestamp", "timefmt"}
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}
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if len(args) == 4 && args[1] == "set" && args[2] == "timestamp" {
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return []string{"on", "off"}
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}
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return nil
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}
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func (d *CommandDispatcher) handleForwardCommand(args []string) error {
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if len(args) < 2 {
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if d.app.UIEnabled() {
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d.app.OpenPanel(event.UIPanelForward)
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return nil
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}
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args = []string{".forward", "list"}
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}
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sub := strings.ToLower(args[1])
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switch sub {
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case "list", "stats":
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if d.app.UIEnabled() {
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d.app.OpenPanel(event.UIPanelForward)
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return nil
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}
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items := d.app.forward.List()
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if len(items) == 0 {
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d.app.Notifyf("[forward] empty")
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return nil
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}
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d.app.Notifyf("[forward] ID Mode Enabled Connected Address InBytes OutBytes LastError")
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for _, it := range items {
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d.app.Notifyf("[forward] %d %s %v %v %s %d %d %s", it.ID, it.Mode, it.Enabled, it.Connected, it.Address, it.ReadBytes, it.WriteByte, it.LastError)
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}
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return nil
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case "add":
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if len(args) < 4 {
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return fmt.Errorf("usage: .forward add <tcp|udp> <address>")
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}
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mode, ok := parseForwardMode(args[2])
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if !ok {
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return fmt.Errorf("unknown forward mode: %s", args[2])
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}
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id, err := d.app.forward.Add(mode, args[3])
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if err != nil {
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return err
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}
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d.app.Statusf("[forward] added #%d", id)
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return nil
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case "remove", "enable", "disable":
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if len(args) < 3 {
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return fmt.Errorf("usage: .forward %s <id>", sub)
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}
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id, err := strconv.Atoi(args[2])
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if err != nil {
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return err
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}
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switch sub {
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case "remove":
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return d.app.forward.Remove(id)
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case "enable":
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return d.app.forward.Enable(id)
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case "disable":
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return d.app.forward.Disable(id)
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}
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case "update":
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if len(args) < 5 {
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return fmt.Errorf("usage: .forward update <id> <tcp|udp> <address>")
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}
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id, err := strconv.Atoi(args[2])
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if err != nil {
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return err
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}
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mode, ok := parseForwardMode(args[3])
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if !ok {
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return fmt.Errorf("unknown forward mode: %s", args[3])
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}
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if err = d.app.forward.Update(id, mode, args[4]); err != nil {
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return err
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}
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d.app.Statusf("[forward] updated #%d", id)
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return nil
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}
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return fmt.Errorf("unknown subcommand: %s", sub)
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}
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func (d *CommandDispatcher) handlePluginCommand(args []string) error {
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if len(args) < 2 {
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if d.app.UIEnabled() {
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d.app.OpenPanel(event.UIPanelPlugin)
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return nil
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}
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args = []string{".plugin", "list"}
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}
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sub := strings.ToLower(args[1])
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switch sub {
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case "list":
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if d.app.UIEnabled() {
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d.app.OpenPanel(event.UIPanelPlugin)
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return nil
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}
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items := d.app.plugins.List()
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if len(items) == 0 {
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d.app.Notifyf("[plugin] empty")
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return nil
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}
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for _, it := range items {
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d.app.Notifyf("[plugin] %s enabled=%v path=%s", it.Name, it.Enabled, it.Path)
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}
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return nil
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case "load":
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if len(args) < 3 {
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return fmt.Errorf("usage: .plugin load <path>")
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}
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name, err := d.app.plugins.Load(args[2])
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if err != nil {
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return err
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}
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d.app.Statusf("[plugin] loaded %s", name)
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return nil
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case "unload", "enable", "disable", "reload":
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if len(args) < 3 {
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return fmt.Errorf("usage: .plugin %s <name>", sub)
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}
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name := args[2]
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switch sub {
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case "unload":
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return d.app.plugins.Unload(name)
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case "enable":
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return d.app.plugins.Enable(name)
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case "disable":
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return d.app.plugins.Disable(name)
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case "reload":
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return d.app.plugins.Reload(name)
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}
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}
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return fmt.Errorf("unknown subcommand: %s", sub)
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}
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func (d *CommandDispatcher) handleModeCommand(args []string) error {
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if len(args) < 2 || strings.EqualFold(args[1], "show") {
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if d.app.UIEnabled() {
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d.app.OpenPanel(event.UIPanelMode)
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return nil
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}
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d.app.Notifyf("[mode] input=%s output=%s end=%q hex=%v frame=%d timestamp=%v timefmt=%q forwardTargets=%d plugins=%d",
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d.app.cfg.inputCode,
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d.app.cfg.outputCode,
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d.app.cfg.endStr,
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strings.EqualFold(d.app.cfg.inputCode, "hex"),
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d.app.cfg.frameSize,
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d.app.cfg.timesTamp,
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d.app.cfg.timesFmt,
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len(d.app.forward.List()),
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len(d.app.plugins.List()),
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)
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return nil
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}
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if !strings.EqualFold(args[1], "set") {
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return fmt.Errorf("usage: .mode <show|set>")
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}
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if len(args) < 4 {
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return fmt.Errorf("usage: .mode set <in|out|end|frame|timestamp|timefmt> <value>")
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}
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field := strings.ToLower(args[2])
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value := strings.Join(args[3:], " ")
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switch field {
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case "in":
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d.app.cfg.inputCode = value
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case "out":
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d.app.cfg.outputCode = value
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case "end":
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d.app.cfg.endStr = value
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case "frame":
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n, err := strconv.Atoi(value)
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if err != nil || n <= 0 {
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return fmt.Errorf("frame must be a positive integer")
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}
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d.app.cfg.frameSize = n
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case "timestamp":
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enabled, ok := parseOnOff(value)
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if !ok {
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return fmt.Errorf("timestamp value must be on/off")
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}
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d.app.cfg.timesTamp = enabled
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case "timefmt":
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d.app.cfg.timesFmt = value
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default:
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return fmt.Errorf("unknown mode field: %s", field)
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}
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d.app.Statusf("[mode] %s=%q", field, value)
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return nil
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}
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func parseOnOff(v string) (bool, bool) {
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switch strings.ToLower(strings.TrimSpace(v)) {
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case "on", "true", "1", "yes":
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return true, true
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case "off", "false", "0", "no":
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return false, true
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default:
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return false, false
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}
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}
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