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diredfl.el
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;;; diredfl.el --- Extra font lock rules for a more colourful dired -*- lexical-binding: t; -*-
;; Copyright (C) 2017 Steve Purcell
;; Author: Steve Purcell <[email protected]>
;; Author: Drew Adams
;; Keywords: faces
;; URL: https://github.com/purcell/diredfl
;; Package-Requires: ((emacs "24"))
;; Package-Version: 0
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This is adapted from the extra font lock rules provided by Drew
;; Adams' `dired+' package, but published via a modern means, and with
;; support for older Emacsen removed.
;; Enable in all dired buffers by calling or customising `diredfl-global-mode'.
;; Alternatively:
;; (add-hook 'dired-mode-hook 'diredfl-mode)
;;; Code:
(require 'dired)
(defgroup diredfl ()
"Extra font lock rules for a more colourful dired."
:group 'dired)
(defcustom diredfl-compressed-extensions '(".tar" ".taz" ".tgz" ".arj" ".lzh"
".lzma" ".xz" ".zip" ".z" ".Z" ".gz" ".bz2")
"*List of compressed-file extensions, for highlighting."
:type '(repeat string) :group 'diredfl)
(defcustom diredfl-ignore-compressed-flag t
"*Non-nil means to font-lock names of compressed files as ignored files.
This applies to filenames whose extensions are in
`diredfl-compressed-extensions'. If nil they are highlighted using
face `diredfl-compressed-file-name'."
:type 'boolean :group 'diredfl)
(defface diredfl-autofile-name
'((((background dark)) (:background "#111313F03181")) ; Very dark blue
(t (:background "#EEECEC0FCE7E"))) ; Very pale goldenrod
"*Face used in Dired for names of files that are autofile bookmarks."
:group 'diredfl)
(defvar diredfl-autofile-name 'diredfl-autofile-name)
(defface diredfl-compressed-file-name
'((((background dark)) (:foreground "Blue"))
(t (:foreground "Brown")))
"*Face used for compressed file names."
:group 'diredfl)
(defvar diredfl-compressed-file-name 'diredfl-compressed-file-name)
(defface diredfl-compressed-file-suffix
'((((background dark)) (:foreground "Blue"))
(t (:foreground "Yellow")))
"*Face used for compressed file suffixes in Dired buffers.
This means the `.' plus the file extension. Example: `.zip'."
:group 'diredfl)
(defvar diredfl-compressed-file-suffix 'diredfl-compressed-file-suffix)
(defface diredfl-date-time
'((((background dark)) (:foreground "#74749A9AF7F7")) ; ~ med blue
(t (:foreground "DarkGoldenrod4")))
"*Face used for date and time in Dired buffers."
:group 'diredfl)
(defvar diredfl-date-time 'diredfl-date-time)
(defface diredfl-deletion
'((t (:foreground "Yellow" :background "Red")))
"*Face used for deletion flags (D) in Dired buffers."
:group 'diredfl)
(defvar diredfl-deletion 'diredfl-deletion)
(defface diredfl-deletion-file-name
'((t (:foreground "Red")))
"*Face used for names of deleted files in Dired buffers."
:group 'diredfl)
(defvar diredfl-deletion-file-name 'diredfl-deletion-file-name)
(defface diredfl-dir-heading
'((((background dark)) (:foreground "Yellow" :background "#00003F3F3434")) ; ~ dark green
(t (:foreground "Blue" :background "Pink")))
"*Face used for directory headings in Dired buffers."
:group 'diredfl)
(defvar diredfl-dir-heading 'diredfl-dir-heading)
(defface diredfl-dir-name
'((((background dark))
(:foreground "#7474FFFFFFFF" :background "#2C2C2C2C2C2C")) ; ~ cyan, dark gray
(t (:foreground "DarkRed" :background "LightGray")))
"*Face used for directory names."
:group 'diredfl)
(defvar diredfl-dir-name 'diredfl-dir-name)
(defface diredfl-dir-priv
'((((background dark))
(:foreground "#7474FFFFFFFF" :background "#2C2C2C2C2C2C")) ; ~ cyan, dark gray
(t (:foreground "DarkRed" :background "LightGray")))
"*Face used for directory privilege indicator (d) in Dired buffers."
:group 'diredfl)
(defvar diredfl-dir-priv 'diredfl-dir-priv)
(defface diredfl-exec-priv
'((((background dark)) (:background "#4F4F3B3B2121")) ; ~ dark brown
(t (:background "LightSteelBlue")))
"*Face used for execute privilege indicator (x) in Dired buffers."
:group 'diredfl)
(defvar diredfl-exec-priv 'diredfl-exec-priv)
;; For this to show up, you need `F' among the options in `dired-listing-switches'.
;; For example, I use "-alF" for `dired-listing-switches'.
(defface diredfl-executable-tag
'((t (:foreground "Red")))
"*Face used for executable tag (*) on file names in Dired buffers."
:group 'diredfl)
(defvar diredfl-executable-tag 'diredfl-executable-tag)
(defface diredfl-file-name
'((((background dark)) (:foreground "Yellow"))
(t (:foreground "Blue")))
"*Face used for file names (without suffixes) in Dired buffers.
This means the base name. It does not include the `.'."
:group 'diredfl)
(defvar diredfl-file-name 'diredfl-file-name)
(defface diredfl-file-suffix
'((((background dark)) (:foreground "#7474FFFF7474")) ; ~ light green
(t (:foreground "DarkMagenta")))
"*Face used for file suffixes in Dired buffers.
This means the `.' plus the file extension. Example: `.elc'."
:group 'diredfl)
(defvar diredfl-file-suffix 'diredfl-file-suffix)
(defface diredfl-flag-mark
'((((background dark)) (:foreground "Blue" :background "#7575D4D41D1D")) ; ~ olive green
(t (:foreground "Yellow" :background "Blueviolet")))
"*Face used for flags and marks (except D) in Dired buffers."
:group 'diredfl)
(defvar diredfl-flag-mark 'diredfl-flag-mark)
(defface diredfl-flag-mark-line
'((((background dark)) (:background "#787831311414")) ; ~ dark red brown
(t (:background "Skyblue")))
"*Face used for flagged and marked lines in Dired buffers."
:group 'diredfl)
(defvar diredfl-flag-mark-line 'diredfl-flag-mark-line)
(defface diredfl-ignored-file-name
'(;; (((background dark)) (:foreground "#FFFF921F921F")) ; ~ salmon
;; (((background dark)) (:foreground "#A71F5F645F64")) ; ~ dark salmon
(((background dark)) (:foreground "#C29D6F156F15")) ; ~ salmon
(t (:foreground "#00006DE06DE0"))) ; ~ dark cyan
"*Face used for ignored file names in Dired buffers."
:group 'diredfl)
(defvar diredfl-ignored-file-name 'diredfl-ignored-file-name)
(defface diredfl-link-priv
'((((background dark)) (:foreground "#00007373FFFF")) ; ~ blue
(t (:foreground "DarkOrange")))
"*Face used for link privilege indicator (l) in Dired buffers."
:group 'diredfl)
(defvar diredfl-link-priv 'diredfl-link-priv)
(defface diredfl-no-priv
'((((background dark)) (:background "#2C2C2C2C2C2C")) ; ~ dark gray
(t (:background "LightGray")))
"*Face used for no privilege indicator (-) in Dired buffers."
:group 'diredfl)
(defvar diredfl-no-priv 'diredfl-no-priv)
(defface diredfl-number
'((((background dark)) (:foreground "#FFFFFFFF7474")) ; ~ light yellow
(t (:foreground "DarkBlue")))
"*Face used for numerical fields in Dired buffers.
In particular, inode number, number of hard links, and file size."
:group 'diredfl)
(defvar diredfl-number 'diredfl-number)
(defface diredfl-other-priv
'((((background dark)) (:background "#111117175555")) ; ~ dark blue
(t (:background "PaleGoldenrod")))
"*Face used for l,s,S,t,T privilege indicators in Dired buffers."
:group 'diredfl)
(defvar diredfl-other-priv 'diredfl-other-priv)
(defface diredfl-rare-priv
'((((background dark)) (:foreground "Green" :background "#FFFF00008080")) ; ~ hot pink
(t (:foreground "Magenta" :background "SpringGreen")))
"*Face used for rare privilege indicators (b,c,s,m,p,S) in Dired buffers."
:group 'diredfl)
(defvar diredfl-rare-priv 'diredfl-rare-priv)
(defface diredfl-read-priv
'((((background dark)) (:background "#999932325555")) ; ~ burgundy / dark magenta
(t (:background "MediumAquamarine")))
"*Face used for read privilege indicator (w) in Dired buffers."
:group 'diredfl)
(defvar diredfl-read-priv 'diredfl-read-priv)
(defface diredfl-symlink
'((((background dark)) (:foreground "#00007373FFFF")) ; ~ blue
(t (:foreground "DarkOrange")))
"*Face used for symbolic links in Dired buffers."
:group 'diredfl)
(defvar diredfl-symlink 'diredfl-symlink)
(defface diredfl-tagged-autofile-name
'((((background dark)) (:background "#328C0411328C")) ; Very dark magenta
(t (:background "#CD73FBEECD73"))) ; Very pale green
"*Face used in Dired for names of files that are autofile bookmarks."
:group 'diredfl)
(defvar diredfl-tagged-autofile-name 'diredfl-tagged-autofile-name)
(defface diredfl-write-priv
'((((background dark)) (:background "#25258F8F2929")) ; ~ dark green
(t (:background "Orchid")))
"*Face used for write privilege indicator (w) in Dired buffers."
:group 'diredfl)
(defvar diredfl-write-priv 'diredfl-write-priv)
;;; Define second level of fontifying.
(defconst diredfl-font-lock-keywords-1
(list
'("^ \\(.+:\\)$" 1 diredfl-dir-heading) ; Directory headers
'("^ wildcard.*$" 0 'default) ; Override others, e.g. `l' for `diredfl-other-priv'.
'("^ (No match).*$" 0 'default) ; Override others, e.g. `t' for `diredfl-other-priv'.
'("[^ .]\\(\\.[^. /]+\\)$" 1 diredfl-file-suffix) ; Suffix, including `.'.
'("\\([^ ]+\\) -> .+$" 1 diredfl-symlink) ; Symbolic links
;; 1) Date/time and 2) filename w/o suffix.
;; This is a bear, and it is fragile - Emacs can change `dired-move-to-filename-regexp'.
`(,dired-move-to-filename-regexp
(7 diredfl-date-time t t) ; Date/time, locale (western or eastern)
(2 diredfl-date-time t t) ; Date/time, ISO
(,(concat "\\(.+\\)\\(" (concat (funcall #'regexp-opt diredfl-compressed-extensions)
"\\)[*]?$"))
nil nil (0 diredfl-compressed-file-name keep t))) ; Compressed-file suffix
`(,dired-move-to-filename-regexp
(7 diredfl-date-time t t) ; Date/time, locale (western or eastern)
(2 diredfl-date-time t t) ; Date/time, ISO
("\\(.+\\)$" nil nil (0 diredfl-file-name keep t))) ; Filename (not a compressed file)
;; Files to ignore
(list (concat "^ \\(.*\\("
(mapconcat #'regexp-quote (or (and (boundp 'dired-omit-extensions) dired-omit-extensions)
completion-ignored-extensions)
"[*]?\\|")
(and diredfl-ignore-compressed-flag
(concat "\\|" (mapconcat #'regexp-quote diredfl-compressed-extensions "[*]?\\|")))
"[*]?\\)\\)$") ; Allow for executable flag (*).
1 diredfl-ignored-file-name t)
;; Compressed-file (suffix)
(list (concat "\\(" (concat (funcall #'regexp-opt diredfl-compressed-extensions) "\\)[*]?$"))
1 diredfl-compressed-file-suffix t)
'("\\([*]\\)$" 1 diredfl-executable-tag t) ; Executable (*)
;; Inode, hard-links, & file size (. and , are for the decimal point, depending on locale)
;; See comment for `directory-listing-before-filename-regexp' in `files.el' or `files+.el'.
'("\\_<\\(\\([0-9]+\\([.,][0-9]+\\)?\\)[BkKMGTPEZY]?[ /]?\\)" 1 'diredfl-number)
;; Directory names - exclude d:/..., Windows drive letter in a dir heading.
(list (concat dired-re-maybe-mark dired-re-inode-size "\\(d\\)[^:]")
'(1 diredfl-dir-priv t) '(".+" (dired-move-to-filename) nil (0 diredfl-dir-name t)))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]........\\(x\\)") ; o x
'(1 diredfl-exec-priv))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]........\\([lsStT]\\)") ; o misc
'(1 diredfl-other-priv))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl].......\\(w\\).") ; o w
'(1 diredfl-write-priv))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]......\\(r\\)..") ; o r
'(1 diredfl-read-priv))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl].....\\(x\\)...") ; g x
'(1 diredfl-exec-priv))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl].....\\([lsStT]\\)...") ; g misc
'(1 diredfl-other-priv))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]....\\(w\\)....") ; g w
'(1 diredfl-write-priv))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]...\\(r\\).....") ; g r
'(1 diredfl-read-priv))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]..\\(x\\)...") ; u x
'(1 diredfl-exec-priv))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]..\\([lsStT]\\)...") ; u misc
'(1 diredfl-other-priv))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl].\\(w\\)....") ; u w
'(1 diredfl-write-priv))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]\\(r\\).....") ; u r
'(1 diredfl-read-priv))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]........\\([-rwxlsStT]\\)") ; o -
'(1 diredfl-no-priv keep))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl].......\\([-rwxlsStT]\\).") ; g -
'(1 diredfl-no-priv keep))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]......\\([-rwxlsStT]\\)..") ; u -
'(1 diredfl-no-priv keep))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl].....\\([-rwxlsStT]\\)...") ; o -
'(1 diredfl-no-priv keep))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]....\\([-rwxlsStT]\\)....") ; g -
'(1 diredfl-no-priv keep))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]...\\([-rwxlsStT]\\).....") ; u -
'(1 diredfl-no-priv keep))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]..\\([-rwxlsStT]\\)......") ; o -
'(1 diredfl-no-priv keep))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl].\\([-rwxlsStT]\\).......") ; g -
'(1 diredfl-no-priv keep))
(list (concat dired-re-maybe-mark dired-re-inode-size "[-dl]\\([-rwxlsStT]\\)........") ; u -
'(1 diredfl-no-priv keep))
(list (concat dired-re-maybe-mark dired-re-inode-size "\\([bcsmpS]\\)") ; (rare)
'(1 diredfl-rare-priv keep))
(list (concat dired-re-maybe-mark dired-re-inode-size "\\(l\\)[-rwxlsStT]") ; l
'(1 diredfl-rare-priv keep))
(list (concat "^\\([^\n " (char-to-string dired-del-marker) "].*$\\)")
'(1 diredfl-flag-mark-line prepend)) ; Flag/mark lines
(list (concat "^\\([^\n " (char-to-string dired-del-marker) "]\\)") ; Flags, marks (except D)
'(1 diredfl-flag-mark prepend))
(list (concat "^\\([" (char-to-string dired-del-marker) "].*$\\)") ; Deletion-flagged lines
'(1 diredfl-deletion-file-name prepend))
(list (concat "^\\([" (char-to-string dired-del-marker) "]\\)") ; Deletion flags (D)
'(1 diredfl-deletion prepend))
) "2nd level of Dired highlighting. See `font-lock-maximum-decoration'.")
;;;###autoload
(define-minor-mode diredfl-mode
"Enable additional font locking in `dired-mode'."
nil
:lighter ""
(setq font-lock-defaults
(if diredfl-mode
'((dired-font-lock-keywords
dired-font-lock-keywords
diredfl-font-lock-keywords-1)
t nil nil beginning-of-line)
'(dired-font-lock-keywords t nil nil beginning-of-line)))
(font-lock-refresh-defaults))
;;;###autoload
(define-globalized-minor-mode diredfl-global-mode diredfl-mode
(lambda ()
(when (derived-mode-p 'dired-mode)
(diredfl-mode)))
:require 'diredfl)
(provide 'diredfl)
;;; diredfl.el ends here