74 lines
1.4 KiB
Go
74 lines
1.4 KiB
Go
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package hinters
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import (
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"fmt"
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"regexp"
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"strconv"
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"strings"
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"github.com/liamg/darktile/internal/app/darktile/termutil"
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)
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func init() {
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register(&PermsHinter{}, PriorityLow)
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}
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type PermsHinter struct {
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}
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var permsMatcher = regexp.MustCompile("^[d|-][rwx-]{9}")
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func (h *PermsHinter) Match(text string, cursorIndex int) (matched bool, offset int, length int) {
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matches := permsMatcher.FindAllStringIndex(text, -1)
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for _, match := range matches {
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if match[0] <= cursorIndex && match[1] > cursorIndex {
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return true, match[0], match[1] - match[0]
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}
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}
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return
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}
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func (h *PermsHinter) Activate(api HintAPI, match string, start termutil.Position, end termutil.Position) error {
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result, err := getPermsFromString(match)
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if err != nil {
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return err
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}
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api.Highlight(start, end, result, nil)
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return nil
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}
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func getPermsFromString(match string) (string, error) {
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match = strings.NewReplacer(
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"r", "1",
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"w", "1",
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"x", "1",
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"-", "0").
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Replace(match)
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return strings.Join([]string{
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"0",
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readPermPart(match, 1, 4),
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readPermPart(match, 4, 7),
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readPermPart(match, 7, 10),
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}, ""), nil
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}
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func readPermPart(match string, from, to int) string {
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permPart := match[from:to]
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i, err := strconv.ParseInt(permPart, 2, 0)
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if err != nil {
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return "0"
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}
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return fmt.Sprint(strconv.FormatInt(i, 8))
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}
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func (h *PermsHinter) Deactivate(api HintAPI) error {
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api.ClearHighlight()
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return nil
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}
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func (h *PermsHinter) Click(api HintAPI) error {
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return nil
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}
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