72 lines
1.5 KiB
Go
72 lines
1.5 KiB
Go
// License: GPLv3 Copyright: 2022, Kovid Goyal, <kovid at kovidgoyal.net>
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package completion
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import (
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"fmt"
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"io/fs"
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"os"
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"path/filepath"
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"strings"
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"golang.org/x/sys/unix"
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"kitty/tools/utils"
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)
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var _ = fmt.Print
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func absolutize_path(path string) string {
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path = utils.Expanduser(path)
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q, err := filepath.Abs(path)
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if err == nil {
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path = q
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}
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return path
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}
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type CompleteFilesCallback func(completion_candidate, abspath string, d fs.DirEntry) error
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func complete_files(prefix string, callback CompleteFilesCallback) error {
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abspath := absolutize_path(prefix)
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base := prefix
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if s, err := os.Stat(abspath); err != nil || !s.IsDir() {
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base = filepath.Dir(prefix)
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}
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num := 0
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utils.WalkWithSymlink(base, func(path, abspath string, d fs.DirEntry, err error) error {
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if err != nil {
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return fs.SkipDir
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}
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num++
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if num == 1 {
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return nil
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}
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completion_candidate := path
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if strings.HasPrefix(completion_candidate, prefix) {
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return callback(completion_candidate, abspath, d)
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}
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return nil
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}, absolutize_path)
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return nil
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}
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func complete_executables_in_path(prefix string, paths ...string) []string {
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ans := make([]string, 0, 1024)
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if len(paths) == 0 {
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paths = filepath.SplitList(os.Getenv("PATH"))
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}
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for _, dir := range paths {
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entries, err := os.ReadDir(dir)
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if err == nil {
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for _, e := range entries {
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if strings.HasPrefix(e.Name(), prefix) && !e.IsDir() && unix.Access(filepath.Join(dir, e.Name()), unix.X_OK) == nil {
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ans = append(ans, e.Name())
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}
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}
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}
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}
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return ans
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}
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