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| author | Craig Jennings <c@cjennings.net> | 2026-05-10 13:44:40 -0500 |
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| committer | Craig Jennings <c@cjennings.net> | 2026-05-10 13:44:40 -0500 |
| commit | 2b19eb175d0664908f76bf7cc8dcc1eb5c140ce1 (patch) | |
| tree | 9beb7545eb65385b13246e561e764844ba49eb70 /modules/dirvish-config.el | |
| parent | cffdf3b92a97b1af3aedec624a9fb43db1c60ef8 (diff) | |
| download | dotemacs-2b19eb175d0664908f76bf7cc8dcc1eb5c140ce1.tar.gz dotemacs-2b19eb175d0664908f76bf7cc8dcc1eb5c140ce1.zip | |
refactor(dirvish): extract cj/--dired-line-is-directory-p
`cj/dired-mark-all-visible-files' classified the current line as a directory via `(looking-at "^. d")' inline. Lift the classification into `cj/--dired-line-is-directory-p', a string predicate that takes a line and returns non-nil when it's a directory listing. The wrapper still walks the dired buffer line by line and calls `dired-mark' -- that iteration is dired-coupled and stays untested -- but the format-aware predicate is now isolated and verified.
Six Normal/Boundary tests cover unmarked directories, marked directories (`*' prefix), regular files (`-' instead of `d'), symlinks (`l'), empty lines, and dired header lines (` /path:' and ` total N').
Diffstat (limited to 'modules/dirvish-config.el')
| -rw-r--r-- | modules/dirvish-config.el | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/modules/dirvish-config.el b/modules/dirvish-config.el index ad2227e8..f032b1a0 100644 --- a/modules/dirvish-config.el +++ b/modules/dirvish-config.el @@ -180,14 +180,27 @@ used by `cj/dirvish-open-html-in-eww'." ;;; ------------------------ Dired Mark All Visible Files ----------------------- +(defun cj/--dired-line-is-directory-p (line) + "Return non-nil when LINE is a Dired listing of a directory. + +Dired prefixes each file line with a one-character mark column followed +by `ls -l' output, so a directory line reads as `<mark> drwx...' (mark, +space, `d'). Header lines (` /path/to:'), `total N' lines, and empty +lines all fail this match. + +Pure helper used by `cj/dired-mark-all-visible-files'." + (and line (string-match-p "\\`. d" line))) + (defun cj/dired-mark-all-visible-files () "Mark all visible files in Dired mode." (interactive) (save-excursion (goto-char (point-min)) (while (not (eobp)) - (if (not (looking-at "^. d")) - (dired-mark 1)) + (let ((line (buffer-substring-no-properties + (line-beginning-position) (line-end-position)))) + (unless (cj/--dired-line-is-directory-p line) + (dired-mark 1))) (forward-line 1)))) ;;; ------------------------ Dirvish Duplicate File Copy ------------------------ |