mirror of https://github.com/docker/cli.git
58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
|
// Package browser provides helpers to open files, readers, and urls in a browser window.
|
||
|
|
//
|
||
|
|
// The choice of which browser is started is entirely client dependant.
|
||
|
|
package browser
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"io"
|
||
|
|
"io/ioutil"
|
||
|
|
"os"
|
||
|
|
"os/exec"
|
||
|
|
"path/filepath"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Stdout is the io.Writer to which executed commands write standard output.
|
||
|
|
var Stdout io.Writer = os.Stdout
|
||
|
|
|
||
|
|
// Stderr is the io.Writer to which executed commands write standard error.
|
||
|
|
var Stderr io.Writer = os.Stderr
|
||
|
|
|
||
|
|
// OpenFile opens new browser window for the file path.
|
||
|
|
func OpenFile(path string) error {
|
||
|
|
path, err := filepath.Abs(path)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return OpenURL("file://" + path)
|
||
|
|
}
|
||
|
|
|
||
|
|
// OpenReader consumes the contents of r and presents the
|
||
|
|
// results in a new browser window.
|
||
|
|
func OpenReader(r io.Reader) error {
|
||
|
|
f, err := ioutil.TempFile("", "browser.*.html")
|
||
|
|
if err != nil {
|
||
|
|
return fmt.Errorf("browser: could not create temporary file: %v", err)
|
||
|
|
}
|
||
|
|
if _, err := io.Copy(f, r); err != nil {
|
||
|
|
f.Close()
|
||
|
|
return fmt.Errorf("browser: caching temporary file failed: %v", err)
|
||
|
|
}
|
||
|
|
if err := f.Close(); err != nil {
|
||
|
|
return fmt.Errorf("browser: caching temporary file failed: %v", err)
|
||
|
|
}
|
||
|
|
return OpenFile(f.Name())
|
||
|
|
}
|
||
|
|
|
||
|
|
// OpenURL opens a new browser window pointing to url.
|
||
|
|
func OpenURL(url string) error {
|
||
|
|
return openBrowser(url)
|
||
|
|
}
|
||
|
|
|
||
|
|
func runCmd(prog string, args ...string) error {
|
||
|
|
cmd := exec.Command(prog, args...)
|
||
|
|
cmd.Stdout = Stdout
|
||
|
|
cmd.Stderr = Stderr
|
||
|
|
return cmd.Run()
|
||
|
|
}
|