Leon Mika
f6f06eb22d
Also came up with an approach for dealing with commands that will probably work with contexts
59 lines
No EOL
1.2 KiB
Go
59 lines
No EOL
1.2 KiB
Go
package commandctrl
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import (
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tea "github.com/charmbracelet/bubbletea"
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"strings"
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"github.com/lmika/awstools/internal/common/ui/events"
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"github.com/lmika/shellwords"
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)
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type CommandController struct {
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commandList *CommandContext
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}
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func NewCommandController() *CommandController {
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return &CommandController{
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commandList: nil,
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}
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}
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func (c *CommandController) AddCommands(ctx *CommandContext) {
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ctx.parent = c.commandList
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c.commandList = ctx
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}
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func (c *CommandController) Prompt() tea.Cmd {
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return func() tea.Msg {
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return events.PromptForInputMsg{
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Prompt: ":",
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OnDone: func(value string) tea.Cmd {
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return c.Execute(value)
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},
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}
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}
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}
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func (c *CommandController) Execute(commandInput string) tea.Cmd {
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input := strings.TrimSpace(commandInput)
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if input == "" {
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return nil
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}
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tokens := shellwords.Split(input)
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command := c.lookupCommand(tokens[0])
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if command == nil {
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return events.SetStatus("no such command: " + tokens[0])
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}
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return command(tokens[1:])
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}
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func (c *CommandController) lookupCommand(name string) Command {
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for ctx := c.commandList; ctx != nil; ctx = ctx.parent {
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if cmd, ok := ctx.Commands[name]; ok {
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return cmd
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}
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}
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return nil
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} |