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86 lines
2.0 KiB
86 lines
2.0 KiB
package survey |
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import ( |
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"fmt" |
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"gopkg.in/AlecAivazis/survey.v1/core" |
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"gopkg.in/AlecAivazis/survey.v1/terminal" |
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) |
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/* |
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Password is like a normal Input but the text shows up as *'s and there is no default. Response |
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type is a string. |
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password := "" |
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prompt := &survey.Password{ Message: "Please type your password" } |
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survey.AskOne(prompt, &password, nil) |
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*/ |
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type Password struct { |
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core.Renderer |
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Message string |
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Help string |
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} |
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type PasswordTemplateData struct { |
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Password |
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ShowHelp bool |
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} |
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// Templates with Color formatting. See Documentation: https://github.com/mgutz/ansi#style-format |
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var PasswordQuestionTemplate = ` |
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{{- if .ShowHelp }}{{- color "cyan"}}{{ HelpIcon }} {{ .Help }}{{color "reset"}}{{"\n"}}{{end}} |
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{{- color "green+hb"}}{{ QuestionIcon }} {{color "reset"}} |
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{{- color "default+hb"}}{{ .Message }} {{color "reset"}} |
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{{- if and .Help (not .ShowHelp)}}{{color "cyan"}}[{{ HelpInputRune }} for help]{{color "reset"}} {{end}}` |
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func (p *Password) Prompt() (line interface{}, err error) { |
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// render the question template |
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out, err := core.RunTemplate( |
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PasswordQuestionTemplate, |
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PasswordTemplateData{Password: *p}, |
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) |
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fmt.Fprint(terminal.NewAnsiStdout(p.Stdio().Out), out) |
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if err != nil { |
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return "", err |
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} |
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rr := p.NewRuneReader() |
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rr.SetTermMode() |
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defer rr.RestoreTermMode() |
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// no help msg? Just return any response |
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if p.Help == "" { |
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line, err := rr.ReadLine('*') |
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return string(line), err |
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} |
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cursor := p.NewCursor() |
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// process answers looking for help prompt answer |
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for { |
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line, err := rr.ReadLine('*') |
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if err != nil { |
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return string(line), err |
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} |
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if string(line) == string(core.HelpInputRune) { |
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// terminal will echo the \n so we need to jump back up one row |
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cursor.PreviousLine(1) |
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err = p.Render( |
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PasswordQuestionTemplate, |
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PasswordTemplateData{Password: *p, ShowHelp: true}, |
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) |
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if err != nil { |
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return "", err |
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} |
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continue |
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} |
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return string(line), err |
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} |
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} |
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// Cleanup hides the string with a fixed number of characters. |
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func (prompt *Password) Cleanup(val interface{}) error { |
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return nil |
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}
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