viye/plumbing/files/files.go (view raw)
| 1 | package files |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "os/exec" |
| 6 | "path/filepath" |
| 7 | "strings" |
| 8 | |
| 9 | "github.com/olexsmir/viye/core" |
| 10 | "github.com/olexsmir/viye/core/osutil" |
| 11 | ) |
| 12 | |
| 13 | type Tool struct{} |
| 14 | |
| 15 | func (Tool) Name() string { return "files(~/..., /...)" } |
| 16 | func (Tool) Match(ctx *core.Context) bool { |
| 17 | p := ctx.Path[0] |
| 18 | if p == "~" || strings.HasPrefix(p, "/") { |
| 19 | return true |
| 20 | } |
| 21 | _, err := os.Stat(filepath.Join(ctx.Dir, p)) |
| 22 | return err == nil |
| 23 | } |
| 24 | |
| 25 | func (Tool) Execute(ctx *core.Context) (string, error) { |
| 26 | path := resolve(ctx.Path[0], ctx.Dir) |
| 27 | |
| 28 | info, err := os.Stat(path) |
| 29 | if err != nil { |
| 30 | return "", err |
| 31 | } |
| 32 | |
| 33 | switch { |
| 34 | case info.IsDir(): |
| 35 | if len(ctx.Path) == 1 { |
| 36 | return listDir(path) |
| 37 | } |
| 38 | ctx.Dir = path |
| 39 | ctx.Path = ctx.Path[1:] |
| 40 | return ctx.Next() |
| 41 | |
| 42 | case info.Mode()&0o111 != 0: |
| 43 | return runExec(path) |
| 44 | |
| 45 | default: |
| 46 | return "", osutil.Open(path) |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | func resolve(p, dir string) string { |
| 51 | if p == "~" { |
| 52 | home, _ := os.UserHomeDir() |
| 53 | return home |
| 54 | } |
| 55 | if strings.HasPrefix(p, "~/") { |
| 56 | home, _ := os.UserHomeDir() |
| 57 | return filepath.Join(home, p[2:]) |
| 58 | } |
| 59 | if filepath.IsAbs(p) { |
| 60 | return filepath.Clean(p) |
| 61 | } |
| 62 | return filepath.Join(dir, p) |
| 63 | } |
| 64 | |
| 65 | func listDir(dir string) (string, error) { |
| 66 | entries, err := os.ReadDir(dir) |
| 67 | if err != nil { |
| 68 | return "", err |
| 69 | } |
| 70 | var b strings.Builder |
| 71 | for _, e := range entries { |
| 72 | name := e.Name() |
| 73 | if e.IsDir() { |
| 74 | name += "/" |
| 75 | } |
| 76 | b.WriteString(name) |
| 77 | b.WriteByte('\n') |
| 78 | } |
| 79 | return b.String(), nil |
| 80 | } |
| 81 | |
| 82 | func runExec(path string) (string, error) { |
| 83 | cmd := exec.Command(path) |
| 84 | out, err := cmd.Output() |
| 85 | if err != nil { |
| 86 | return "", err |
| 87 | } |
| 88 | return string(out), nil |
| 89 | } |