cli/prompt.go

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package cli

import (
	"fmt"

	"github.com/apache/cloudstack-cloudmonkey/config"
	"github.com/c-bata/go-prompt"
)

// CLI config instance
var cfg *config.Config

// SetConfig allows to set a config.Config object to cli
func SetConfig(c *config.Config) {
	cfg = c
}

// ExecPrompt starts a CLI prompt
func ExecPrompt() {
	cfg.HasShell = true
	cfg.PrintHeader()
	shell := prompt.New(
		func(in string) {
			if err := ExecLine(in); err != nil {
				fmt.Println("🙈 Error:", err)
			}
		},
		completer,
		prompt.OptionHistory(readHistory()),
		prompt.OptionTitle("cloudmonkey"),
		prompt.OptionPrefix(cfg.GetPrompt()),
		prompt.OptionLivePrefix(func() (string, bool) {
			return cfg.GetPrompt(), true
		}),
		prompt.OptionMaxSuggestion(5),
		prompt.OptionPrefixTextColor(prompt.DefaultColor),
		prompt.OptionPreviewSuggestionTextColor(prompt.DarkBlue),
		prompt.OptionSelectedSuggestionTextColor(prompt.White),
		prompt.OptionSelectedSuggestionBGColor(prompt.DarkBlue),
		prompt.OptionSelectedDescriptionTextColor(prompt.White),
		prompt.OptionSelectedDescriptionBGColor(prompt.DarkGray),
		prompt.OptionSuggestionTextColor(prompt.Black),
		prompt.OptionSuggestionBGColor(prompt.White),
		prompt.OptionDescriptionTextColor(prompt.Black),
		prompt.OptionDescriptionBGColor(prompt.LightGray),
		prompt.OptionScrollbarThumbColor(prompt.DarkBlue),
		prompt.OptionScrollbarBGColor(prompt.LightGray),
	)
	shell.Run()
}