mirror of
https://github.com/go-sylixos/elvish.git
synced 2024-12-12 17:27:50 +08:00
86 lines
1.6 KiB
Go
86 lines
1.6 KiB
Go
package eval
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import (
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"errors"
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"os"
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"path/filepath"
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"github.com/elves/elvish/pkg/eval/vals"
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"github.com/elves/elvish/pkg/store/storedefs"
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"github.com/elves/elvish/pkg/util"
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)
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// Filesystem.
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// ErrStoreNotConnected is thrown by dir-history when the store is not connected.
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var ErrStoreNotConnected = errors.New("store not connected")
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func init() {
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addBuiltinFns(map[string]interface{}{
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// Directory
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"cd": cd,
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"dir-history": dirs,
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// Path
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"path-abs": filepath.Abs,
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"path-base": filepath.Base,
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"path-clean": filepath.Clean,
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"path-dir": filepath.Dir,
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"path-ext": filepath.Ext,
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"eval-symlinks": filepath.EvalSymlinks,
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"tilde-abbr": tildeAbbr,
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// File types
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"-is-dir": isDir,
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})
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}
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func cd(fm *Frame, args ...string) error {
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var dir string
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switch len(args) {
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case 0:
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var err error
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dir, err = util.GetHome("")
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if err != nil {
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return err
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}
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case 1:
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dir = args[0]
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default:
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return ErrArgs
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}
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return fm.Chdir(dir)
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}
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type dirHistoryEntry struct {
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Path string `json:"path"`
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Score float64 `json:"score"`
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}
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func (dirHistoryEntry) IsStructMap(vals.StructMapMarker) {}
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func dirs(fm *Frame) error {
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if fm.DaemonClient == nil {
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return ErrStoreNotConnected
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}
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dirs, err := fm.DaemonClient.Dirs(storedefs.NoBlacklist)
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if err != nil {
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return err
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}
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out := fm.ports[1].Chan
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for _, dir := range dirs {
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out <- dirHistoryEntry{dir.Path, dir.Score}
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}
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return nil
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}
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func tildeAbbr(path string) string {
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return util.TildeAbbr(path)
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}
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func isDir(path string) bool {
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fi, err := os.Stat(path)
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return err == nil && fi.Mode().IsDir()
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}
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