106 lines
2.2 KiB
Go
106 lines
2.2 KiB
Go
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// Copyright 2013 @atotto. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build freebsd linux netbsd openbsd solaris
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package clipboard
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import "os/exec"
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const (
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xsel = "xsel"
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xclip = "xclip"
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)
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var (
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internalClipboards map[string]string
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)
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func init() {
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if _, err := exec.LookPath(xclip); err == nil {
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if err := exec.Command("xclip", "-o").Run(); err == nil {
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return
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}
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}
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if _, err := exec.LookPath(xsel); err == nil {
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if err := exec.Command("xsel").Run(); err == nil {
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return
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}
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}
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internalClipboards = make(map[string]string)
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Unsupported = true
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}
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func copyCommand(register string) []string {
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if _, err := exec.LookPath(xclip); err == nil {
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return []string{xclip, "-in", "-selection", register}
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}
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if _, err := exec.LookPath(xsel); err == nil {
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return []string{xsel, "--input", "--" + register}
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}
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return []string{}
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}
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func pasteCommand(register string) []string {
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if _, err := exec.LookPath(xclip); err == nil {
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return []string{xclip, "-out", "-selection", register}
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}
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if _, err := exec.LookPath(xsel); err == nil {
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return []string{xsel, "--output", "--" + register}
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}
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return []string{}
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}
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func getPasteCommand(register string) *exec.Cmd {
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pasteCmdArgs := pasteCommand(register)
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return exec.Command(pasteCmdArgs[0], pasteCmdArgs[1:]...)
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}
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func getCopyCommand(register string) *exec.Cmd {
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copyCmdArgs := copyCommand(register)
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return exec.Command(copyCmdArgs[0], copyCmdArgs[1:]...)
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}
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func readAll(register string) (string, error) {
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if Unsupported {
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if text, ok := internalClipboards[register]; ok {
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return text, nil
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}
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return "", nil
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}
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pasteCmd := getPasteCommand(register)
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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, register string) error {
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if Unsupported {
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internalClipboards[register] = text
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return nil
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}
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copyCmd := getCopyCommand(register)
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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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