125 lines
2.5 KiB
Go
125 lines
2.5 KiB
Go
package clipboard
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import (
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"errors"
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"os"
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"os/exec"
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)
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const (
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xsel = "xsel"
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xclip = "xclip"
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wlcopy = "wl-copy"
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wlpaste = "wl-paste"
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termuxClipboardGet = "termux-clipboard-get"
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termuxClipboardSet = "termux-clipboard-set"
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)
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var (
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Unsupported bool
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Primary bool
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pasteCmdArgs []string
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copyCmdArgs []string
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xselPasteArgs = []string{xsel, "--output", "--clipboard"}
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xselCopyArgs = []string{xsel, "--input", "--clipboard"}
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xclipPasteArgs = []string{xclip, "-out", "-selection", "clipboard"}
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xclipCopyArgs = []string{xclip, "-in", "-selection", "clipboard"}
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wlpasteArgs = []string{wlpaste, "--no-newline"}
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wlcopyArgs = []string{wlcopy}
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termuxPasteArgs = []string{termuxClipboardGet}
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termuxCopyArgs = []string{termuxClipboardSet}
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missingCommands = errors.New("No clipboard utilities available. Please install xsel, xclip, wl-clipboard or Termux:API add-on for termux-clipboard-get/set.")
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)
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func init() {
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if os.Getenv("WAYLAND_DISPLAY") != "" {
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pasteCmdArgs = wlpasteArgs
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copyCmdArgs = wlcopyArgs
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if _, err := exec.LookPath(wlcopy); err == nil {
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if _, err := exec.LookPath(wlpaste); err == nil {
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return
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}
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}
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}
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pasteCmdArgs = xclipPasteArgs
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copyCmdArgs = xclipCopyArgs
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if _, err := exec.LookPath(xclip); err == nil {
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return
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}
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pasteCmdArgs = xselPasteArgs
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copyCmdArgs = xselCopyArgs
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if _, err := exec.LookPath(xsel); err == nil {
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return
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}
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pasteCmdArgs = termuxPasteArgs
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copyCmdArgs = termuxCopyArgs
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if _, err := exec.LookPath(termuxClipboardSet); err == nil {
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if _, err := exec.LookPath(termuxClipboardGet); err == nil {
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return
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}
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}
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Unsupported = true
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}
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func getPasteCommand() *exec.Cmd {
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if Primary {
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pasteCmdArgs = pasteCmdArgs[:1]
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}
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return exec.Command(pasteCmdArgs[0], pasteCmdArgs[1:]...)
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}
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func getCopyCommand() *exec.Cmd {
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if Primary {
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copyCmdArgs = copyCmdArgs[:1]
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}
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return exec.Command(copyCmdArgs[0], copyCmdArgs[1:]...)
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}
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func ReadAll() (string, error) {
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if Unsupported {
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return "", missingCommands
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}
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pasteCmd := getPasteCommand()
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out, err := pasteCmd.Output()
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if err != nil {
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return "", err
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}
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return string(out), nil
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}
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func WriteAll(text string) error {
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if Unsupported {
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return missingCommands
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}
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copyCmd := getCopyCommand()
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in, err := copyCmd.StdinPipe()
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if err != nil {
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return err
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}
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if err := copyCmd.Start(); err != nil {
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return err
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}
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if _, err := in.Write([]byte(text)); err != nil {
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return err
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}
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if err := in.Close(); err != nil {
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return err
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}
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return copyCmd.Wait()
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}
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