Function: archive-next-file-displayer

archive-next-file-displayer is a byte-compiled function defined in arc-mode.el.gz.

Signature

(archive-next-file-displayer FILE REGEXP N)

Documentation

Return a closure to display the next file after FILE that matches REGEXP.

Source Code

;; Defined in /usr/src/emacs/lisp/arc-mode.el.gz
(defun archive-next-file-displayer (file regexp n)
  "Return a closure to display the next file after FILE that matches REGEXP."
  (let ((short (replace-regexp-in-string "\\`.*:" "" file))
        next)
    (archive-goto-file short)
    (while (and (not next)
                ;; Stop if we reach the end/start of the buffer.
                (if (> n 0)
                    (not (eobp))
                  (not (save-excursion
                         (beginning-of-line)
                         (bobp)))))
      (archive-next-line n)
      (when-let* ((descr (archive-get-descr t)))
        (let ((candidate (archive--file-desc-ext-file-name descr))
              (buffer (current-buffer)))
          (when (and candidate
                     (string-match-p regexp candidate))
            (setq next (lambda ()
                         (kill-buffer (current-buffer))
                         (switch-to-buffer buffer)
                         (archive-extract)))))))
    (unless next
      ;; If we didn't find a next/prev file, then restore
      ;; point.
      (archive-goto-file short))
    next))