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|
package runner
import (
"errors"
"io"
"github.com/hashicorp/vagrant-plugin-sdk/terminal"
)
// multiUI mirrors UI operations to multiple UIs.
type multiUI struct {
UIs []terminal.UI
}
func (u *multiUI) Close() error {
for _, u := range u.UIs {
if c, ok := u.(io.Closer); ok {
c.Close()
}
}
return nil
}
func (u *multiUI) Input(input *terminal.Input) (string, error) {
numInteractive := 0
var term terminal.UI
for _, u := range u.UIs {
if u.Interactive() {
numInteractive += 1
term = u
}
}
if numInteractive > 1 {
return "", errors.New("More than one interactive terminal available. Please ensure only one interactive terminal is available")
}
return term.Input(input)
}
func (u *multiUI) ClearLine() {
for _, u := range u.UIs {
u.ClearLine()
}
}
func (u *multiUI) Interactive() bool {
for _, u := range u.UIs {
if u.Interactive() {
return true
}
}
return false
}
func (u *multiUI) MachineReadable() bool {
for _, u := range u.UIs {
if u.MachineReadable() {
return true
}
}
return false
}
func (u *multiUI) Output(msg string, raw ...interface{}) {
for _, u := range u.UIs {
u.Output(msg, raw...)
}
}
func (u *multiUI) NamedValues(tvalues []terminal.NamedValue, opts ...terminal.Option) {
for _, u := range u.UIs {
u.NamedValues(tvalues, opts...)
}
}
func (u *multiUI) OutputWriters() (stdout io.Writer, stderr io.Writer, err error) {
return u.UIs[0].OutputWriters()
}
func (u *multiUI) Table(tbl *terminal.Table, opts ...terminal.Option) {
for _, u := range u.UIs {
u.Table(tbl, opts...)
}
}
func (u *multiUI) Status() terminal.Status {
var s []terminal.Status
for _, u := range u.UIs {
s = append(s, u.Status())
}
return &multiUIStatus{s}
}
type multiUIStatus struct {
s []terminal.Status
}
func (u *multiUIStatus) Update(msg string) {
for _, s := range u.s {
s.Update(msg)
}
}
func (u *multiUIStatus) Step(status string, msg string) {
for _, s := range u.s {
s.Step(status, msg)
}
}
func (u *multiUIStatus) Close() error {
for _, s := range u.s {
s.Close()
}
return nil
}
type multiUISGStep struct {
steps []terminal.Step
}
func (u *multiUISGStep) TermOutput() io.Writer {
var ws []io.Writer
for _, s := range u.steps {
ws = append(ws, s.TermOutput())
}
return io.MultiWriter(ws...)
}
func (u *multiUISGStep) Update(str string, args ...interface{}) {
for _, s := range u.steps {
s.Update(str, args...)
}
}
func (u *multiUISGStep) Status(status string) {
for _, s := range u.steps {
s.Update(status)
}
}
func (u *multiUISGStep) Done() {
for _, s := range u.steps {
s.Done()
}
}
func (u *multiUISGStep) Abort() {
for _, s := range u.steps {
s.Abort()
}
}
type multiUISG struct {
sgs []terminal.StepGroup
}
func (u *multiUISG) Add(str string, args ...interface{}) terminal.Step {
var steps []terminal.Step
for _, sg := range u.sgs {
steps = append(steps, sg.Add(str, args...))
}
return &multiUISGStep{steps}
}
func (u *multiUISG) Wait() {
for _, sg := range u.sgs {
sg.Wait()
}
}
func (u *multiUI) StepGroup() terminal.StepGroup {
var sgs []terminal.StepGroup
for _, u := range u.UIs {
sgs = append(sgs, u.StepGroup())
}
return &multiUISG{sgs}
}
var (
_ terminal.UI = (*multiUI)(nil)
_ terminal.Status = (*multiUIStatus)(nil)
)
|
