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package main
import (
"fmt"
"log"
"os"
"os/exec"
"os/user"
"path/filepath"
"strings"
"golang.org/x/sys/windows"
)
var (
envOpener = os.Getenv("OPENER")
envEditor = os.Getenv("VISUAL")
envPager = os.Getenv("PAGER")
envShell = os.Getenv("SHELL")
)
var envPathExt = os.Getenv("PATHEXT")
var (
gDefaultShell = "cmd"
gDefaultShellFlag = "/c"
gDefaultSocketProt = "tcp"
gDefaultSocketPath = "127.0.0.1:12345"
)
var (
gUser *user.User
gConfigPaths []string
gColorsPaths []string
gIconsPaths []string
gFilesPath string
gTagsPath string
gMarksPath string
gHistoryPath string
)
func init() {
if envOpener == "" {
envOpener = `start ""`
}
if envEditor == "" {
envEditor = os.Getenv("EDITOR")
if envEditor == "" {
envEditor = "notepad"
}
}
if envPager == "" {
envPager = "more"
}
if envShell == "" {
envShell = "cmd"
}
homeDir, err := os.UserHomeDir()
if err != nil {
panic(err)
}
username := os.Getenv("USERNAME")
if username == "" {
panic("$USERNAME variable is empty or not set")
}
gUser = &user.User{
HomeDir: homeDir,
Username: username,
}
data := os.Getenv("LF_CONFIG_HOME")
if data == "" {
data = os.Getenv("LOCALAPPDATA")
}
gConfigPaths = []string{
filepath.Join(os.Getenv("ProgramData"), "lf", "lfrc"),
filepath.Join(data, "lf", "lfrc"),
}
gColorsPaths = []string{
filepath.Join(os.Getenv("ProgramData"), "lf", "colors"),
filepath.Join(data, "lf", "colors"),
}
gIconsPaths = []string{
filepath.Join(os.Getenv("ProgramData"), "lf", "icons"),
filepath.Join(data, "lf", "icons"),
}
gFilesPath = filepath.Join(data, "lf", "files")
gMarksPath = filepath.Join(data, "lf", "marks")
gTagsPath = filepath.Join(data, "lf", "tags")
gHistoryPath = filepath.Join(data, "lf", "history")
}
func detachedCommand(name string, arg ...string) *exec.Cmd {
cmd := exec.Command(name, arg...)
cmd.SysProcAttr = &windows.SysProcAttr{CreationFlags: 8}
return cmd
}
func shellCommand(s string, args []string) *exec.Cmd {
// Windows CMD requires special handling to deal with quoted arguments
if strings.ToLower(gOpts.shell) == "cmd" {
var builder strings.Builder
builder.WriteString(s)
for _, arg := range args {
fmt.Fprintf(&builder, ` "%s"`, arg)
}
shellOpts := strings.Join(gOpts.shellopts, " ")
cmdline := fmt.Sprintf(`%s %s %s "%s"`, gOpts.shell, shellOpts, gOpts.shellflag, builder.String())
cmd := exec.Command(gOpts.shell)
cmd.SysProcAttr = &windows.SysProcAttr{CmdLine: cmdline}
return cmd
}
args = append([]string{gOpts.shellflag, s}, args...)
args = append(gOpts.shellopts, args...)
return exec.Command(gOpts.shell, args...)
}
func shellSetPG(cmd *exec.Cmd) {
}
func shellKill(cmd *exec.Cmd) error {
return cmd.Process.Kill()
}
func setDefaults() {
gOpts.cmds["open"] = &execExpr{"&", "%OPENER% %f%"}
gOpts.keys["e"] = &execExpr{"$", "%EDITOR% %f%"}
gOpts.keys["i"] = &execExpr{"!", "%PAGER% %f%"}
gOpts.keys["w"] = &execExpr{"$", "%SHELL%"}
gOpts.cmds["doc"] = &execExpr{"!", "%lf% -doc | %PAGER%"}
gOpts.keys["<f-1>"] = &callExpr{"doc", nil, 1}
gOpts.cmds["maps"] = &execExpr{"!", `%lf% -remote "query %id% maps" | %PAGER%`}
gOpts.cmds["cmaps"] = &execExpr{"!", `%lf% -remote "query %id% cmaps" | %PAGER%`}
gOpts.cmds["cmds"] = &execExpr{"!", `%lf% -remote "query %id% cmds" | %PAGER%`}
}
func setUserUmask() {}
func isExecutable(f os.FileInfo) bool {
exts := strings.Split(envPathExt, string(filepath.ListSeparator))
for _, e := range exts {
if strings.HasSuffix(strings.ToLower(f.Name()), strings.ToLower(e)) {
log.Print(f.Name(), e)
return true
}
}
return false
}
func isHidden(f os.FileInfo, path string, hiddenfiles []string) bool {
ptr, err := windows.UTF16PtrFromString(filepath.Join(path, f.Name()))
if err != nil {
return false
}
attrs, err := windows.GetFileAttributes(ptr)
if err != nil {
return false
}
return attrs&windows.FILE_ATTRIBUTE_HIDDEN != 0
}
func userName(f os.FileInfo) string {
return ""
}
func groupName(f os.FileInfo) string {
return ""
}
func linkCount(f os.FileInfo) string {
return ""
}
func errCrossDevice(err error) bool {
return err.(*os.LinkError).Err.(windows.Errno) == 17
}
func quoteString(s string) string {
// Windows CMD requires special handling to deal with quoted arguments
if strings.ToLower(gOpts.shell) == "cmd" {
return fmt.Sprintf(`"%s"`, s)
}
return s
}
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