mirror of
https://github.com/kovidgoyal/kitty.git
synced 2024-10-26 15:13:22 +03:00
318 lines
7.5 KiB
Go
318 lines
7.5 KiB
Go
// License: GPLv3 Copyright: 2022, Kovid Goyal, <kovid at kovidgoyal.net>
|
|
|
|
package cli
|
|
|
|
import (
|
|
"fmt"
|
|
"mime"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"golang.org/x/sys/unix"
|
|
|
|
"kitty/tools/utils"
|
|
)
|
|
|
|
var _ = fmt.Print
|
|
|
|
func absolutize_path(path string) string {
|
|
path = utils.Expanduser(path)
|
|
q, err := filepath.Abs(path)
|
|
if err == nil {
|
|
path = q
|
|
}
|
|
return path
|
|
}
|
|
|
|
type FileEntry struct {
|
|
Name, CompletionCandidate, Abspath string
|
|
Mode os.FileMode
|
|
IsDir, IsSymlink, IsEmptyDir bool
|
|
}
|
|
|
|
func CompleteFiles(prefix string, callback func(*FileEntry), cwd string) error {
|
|
if cwd == "" {
|
|
var err error
|
|
cwd, err = os.Getwd()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
location := absolutize_path(prefix)
|
|
base_dir := ""
|
|
joinable_prefix := ""
|
|
switch prefix {
|
|
case ".":
|
|
base_dir = "."
|
|
joinable_prefix = ""
|
|
case "./":
|
|
base_dir = "."
|
|
joinable_prefix = "./"
|
|
case "/":
|
|
base_dir = "/"
|
|
joinable_prefix = "/"
|
|
case "~":
|
|
base_dir = location
|
|
joinable_prefix = "~/"
|
|
case "":
|
|
base_dir = cwd
|
|
joinable_prefix = ""
|
|
default:
|
|
if strings.HasSuffix(prefix, utils.Sep) {
|
|
base_dir = location
|
|
joinable_prefix = prefix
|
|
} else {
|
|
idx := strings.LastIndex(prefix, utils.Sep)
|
|
if idx > 0 {
|
|
joinable_prefix = prefix[:idx+1]
|
|
base_dir = filepath.Dir(location)
|
|
}
|
|
}
|
|
}
|
|
if base_dir == "" {
|
|
base_dir = cwd
|
|
}
|
|
if !strings.HasPrefix(base_dir, "~") && !filepath.IsAbs(base_dir) {
|
|
base_dir = filepath.Join(cwd, base_dir)
|
|
}
|
|
// fmt.Printf("prefix=%#v base_dir=%#v joinable_prefix=%#v\n", prefix, base_dir, joinable_prefix)
|
|
entries, err := os.ReadDir(base_dir)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for _, entry := range entries {
|
|
q := joinable_prefix + entry.Name()
|
|
if !strings.HasPrefix(q, prefix) {
|
|
continue
|
|
}
|
|
abspath := filepath.Join(base_dir, entry.Name())
|
|
dir_to_check := ""
|
|
data := FileEntry{
|
|
Name: entry.Name(), Abspath: abspath, Mode: entry.Type(), IsDir: entry.IsDir(),
|
|
IsSymlink: entry.Type()&os.ModeSymlink == os.ModeSymlink, CompletionCandidate: q}
|
|
if data.IsSymlink {
|
|
target, err := filepath.EvalSymlinks(abspath)
|
|
if err == nil && target != base_dir {
|
|
td, err := os.Stat(target)
|
|
if err == nil && td.IsDir() {
|
|
dir_to_check = target
|
|
data.IsDir = true
|
|
}
|
|
}
|
|
}
|
|
if dir_to_check != "" {
|
|
subentries, err := os.ReadDir(dir_to_check)
|
|
data.IsEmptyDir = err != nil || len(subentries) == 0
|
|
}
|
|
if data.IsDir {
|
|
data.CompletionCandidate += utils.Sep
|
|
}
|
|
callback(&data)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func CompleteExecutablesInPath(prefix string, paths ...string) []string {
|
|
ans := make([]string, 0, 1024)
|
|
if len(paths) == 0 {
|
|
paths = filepath.SplitList(os.Getenv("PATH"))
|
|
}
|
|
for _, dir := range paths {
|
|
entries, err := os.ReadDir(dir)
|
|
if err == nil {
|
|
for _, e := range entries {
|
|
if strings.HasPrefix(e.Name(), prefix) && !e.IsDir() && unix.Access(filepath.Join(dir, e.Name()), unix.X_OK) == nil {
|
|
ans = append(ans, e.Name())
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return ans
|
|
}
|
|
|
|
func is_dir_or_symlink_to_dir(entry os.DirEntry, path string) bool {
|
|
if entry.IsDir() {
|
|
return true
|
|
}
|
|
if entry.Type()&os.ModeSymlink == os.ModeSymlink {
|
|
p, err := filepath.EvalSymlinks(path)
|
|
if err == nil {
|
|
s, err := os.Stat(p)
|
|
if err == nil && s.IsDir() {
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func fname_based_completer(prefix, cwd string, is_match func(string) bool) []string {
|
|
ans := make([]string, 0, 1024)
|
|
CompleteFiles(prefix, func(entry *FileEntry) {
|
|
if entry.IsDir && !entry.IsEmptyDir {
|
|
entries, err := os.ReadDir(entry.Abspath)
|
|
if err == nil {
|
|
for _, e := range entries {
|
|
if is_match(e.Name()) || is_dir_or_symlink_to_dir(e, filepath.Join(entry.Abspath, e.Name())) {
|
|
ans = append(ans, entry.CompletionCandidate)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
return
|
|
}
|
|
q := strings.ToLower(entry.Name)
|
|
if is_match(q) {
|
|
ans = append(ans, entry.CompletionCandidate)
|
|
}
|
|
}, cwd)
|
|
return ans
|
|
|
|
}
|
|
|
|
func complete_by_fnmatch(prefix, cwd string, patterns []string) []string {
|
|
return fname_based_completer(prefix, cwd, func(name string) bool {
|
|
for _, pat := range patterns {
|
|
matched, err := filepath.Match(pat, name)
|
|
if err == nil && matched {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
})
|
|
}
|
|
|
|
func complete_by_mimepat(prefix, cwd string, patterns []string) []string {
|
|
all_allowed := false
|
|
for _, p := range patterns {
|
|
if p == "*" {
|
|
all_allowed = true
|
|
break
|
|
}
|
|
}
|
|
return fname_based_completer(prefix, cwd, func(name string) bool {
|
|
if all_allowed {
|
|
return true
|
|
}
|
|
idx := strings.Index(name, ".")
|
|
if idx < 1 {
|
|
return false
|
|
}
|
|
ext := name[idx:]
|
|
mt := mime.TypeByExtension(ext)
|
|
if mt == "" {
|
|
ext = filepath.Ext(name)
|
|
mt = mime.TypeByExtension(ext)
|
|
}
|
|
if mt == "" {
|
|
return false
|
|
}
|
|
for _, pat := range patterns {
|
|
matched, err := filepath.Match(pat, mt)
|
|
if err == nil && matched {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
})
|
|
}
|
|
|
|
type relative_to int
|
|
|
|
const (
|
|
CWD relative_to = iota
|
|
CONFIG
|
|
)
|
|
|
|
func get_cwd_for_completion(relative_to relative_to) string {
|
|
switch relative_to {
|
|
case CONFIG:
|
|
return utils.ConfigDir()
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func make_completer(title string, relative_to relative_to, patterns []string, f func(string, string, []string) []string) CompletionFunc {
|
|
lpats := make([]string, 0, len(patterns))
|
|
for _, p := range patterns {
|
|
lpats = append(lpats, strings.ToLower(p))
|
|
}
|
|
cwd := get_cwd_for_completion(relative_to)
|
|
|
|
return func(completions *Completions, word string, arg_num int) {
|
|
q := f(word, cwd, lpats)
|
|
if len(q) > 0 {
|
|
mg := completions.AddMatchGroup(title)
|
|
mg.IsFiles = true
|
|
for _, c := range q {
|
|
mg.AddMatch(c)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func CompleteExecutableFirstArg(completions *Completions, word string, arg_num int) {
|
|
if arg_num > 1 {
|
|
completions.Delegate.NumToRemove = completions.CurrentCmd.IndexOfFirstArg + 1 // +1 because the first word is not present in all_words
|
|
completions.Delegate.Command = completions.AllWords[completions.CurrentCmd.IndexOfFirstArg]
|
|
return
|
|
}
|
|
exes := CompleteExecutablesInPath(word)
|
|
if len(exes) > 0 {
|
|
mg := completions.AddMatchGroup("Executables in PATH")
|
|
for _, exe := range exes {
|
|
mg.AddMatch(exe)
|
|
}
|
|
}
|
|
|
|
if len(word) > 0 {
|
|
mg := completions.AddMatchGroup("Executables")
|
|
mg.IsFiles = true
|
|
|
|
CompleteFiles(word, func(entry *FileEntry) {
|
|
if entry.IsDir && !entry.IsEmptyDir {
|
|
// only allow directories that have sub-dirs or executable files in them
|
|
entries, err := os.ReadDir(entry.Abspath)
|
|
if err == nil {
|
|
for _, x := range entries {
|
|
if x.IsDir() || unix.Access(filepath.Join(entry.Abspath, x.Name()), unix.X_OK) == nil {
|
|
mg.AddMatch(entry.CompletionCandidate)
|
|
break
|
|
}
|
|
}
|
|
}
|
|
} else if unix.Access(entry.Abspath, unix.X_OK) == nil {
|
|
mg.AddMatch(entry.CompletionCandidate)
|
|
}
|
|
}, "")
|
|
}
|
|
}
|
|
|
|
func FnmatchCompleter(title string, relative_to relative_to, patterns ...string) CompletionFunc {
|
|
return make_completer(title, relative_to, patterns, complete_by_fnmatch)
|
|
}
|
|
|
|
func MimepatCompleter(title string, relative_to relative_to, patterns ...string) CompletionFunc {
|
|
return make_completer(title, relative_to, patterns, complete_by_mimepat)
|
|
}
|
|
|
|
func DirectoryCompleter(title string, relative_to relative_to) CompletionFunc {
|
|
if title == "" {
|
|
title = "Directories"
|
|
}
|
|
cwd := get_cwd_for_completion(relative_to)
|
|
|
|
return func(completions *Completions, word string, arg_num int) {
|
|
mg := completions.AddMatchGroup(title)
|
|
mg.NoTrailingSpace = true
|
|
mg.IsFiles = true
|
|
CompleteFiles(word, func(entry *FileEntry) {
|
|
if entry.Mode.IsDir() {
|
|
mg.AddMatch(entry.CompletionCandidate)
|
|
}
|
|
}, cwd)
|
|
}
|
|
}
|