1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
package pager
import (
"fmt"
"regexp"
"github.com/charmbracelet/bubbles/viewport"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/gum/internal/stdin"
)
// Run provides a shell script interface for the viewport bubble.
// https://github.com/charmbracelet/bubbles/viewport
func (o Options) Run() error {
vp := viewport.New(o.Style.Width, o.Style.Height)
vp.Style = o.Style.ToLipgloss()
if o.Content == "" {
stdin, err := stdin.Read()
if err != nil {
return fmt.Errorf("unable to read stdin")
}
if stdin != "" {
// Sanitize the input from stdin by removing backspace sequences.
backspace := regexp.MustCompile(".\x08")
o.Content = backspace.ReplaceAllString(stdin, "")
} else {
return fmt.Errorf("provide some content to display")
}
}
model := model{
viewport: vp,
helpStyle: o.HelpStyle.ToLipgloss(),
content: o.Content,
origContent: o.Content,
showLineNumbers: o.ShowLineNumbers,
lineNumberStyle: o.LineNumberStyle.ToLipgloss(),
softWrap: o.SoftWrap,
matchStyle: o.MatchStyle.ToLipgloss(),
matchHighlightStyle: o.MatchHighlightStyle.ToLipgloss(),
timeout: o.Timeout,
hasTimeout: o.Timeout > 0,
}
_, err := tea.NewProgram(model, tea.WithAltScreen()).Run()
if err != nil {
return fmt.Errorf("unable to start program: %w", err)
}
return nil
}
|
