branch: externals/dired-preview
commit c879b76f4d2b995bd93ca9cff004ac3416d01b28
Author: Sean Devlin <s...@toadstyle.org>
Commit: Sean Devlin <s...@toadstyle.org>
Allow ignoring of files without extensions
---
dired-preview-test.el | 40 ++++++++++++++++++++++++++++++++++++++++
dired-preview.el | 27 +++++++++++++--------------
2 files changed, 53 insertions(+), 14 deletions(-)
diff --git a/dired-preview-test.el b/dired-preview-test.el
new file mode 100644
index 0000000000..12e537dec6
--- /dev/null
+++ b/dired-preview-test.el
@@ -0,0 +1,40 @@
+;;; dired-preview-test.el --- Unit tests for Dired preview -*-
lexical-binding: t -*-
+
+;;; Commentary:
+
+;; Tests for Dired preview.
+
+;;; Code:
+
+(require 'ert)
+(require 'dired-preview)
+
+(ert-deftest dired-preview-test--dired-preview--file-ignored-p ()
+ "Test that `dired-preview--file-ignored-p' returns non-nil for ignored file
names."
+ (let ((dired-preview-ignored-extensions-regexp
+ (custom--standard-value 'dired-preview-ignored-extensions-regexp)))
+ (dolist (ext '("mkv" "webm" "mp4" "mp3" "ogg" "m4a" "flac" "wav"
+ "gz" "zst" "tar" "xz" "rar" "zip" "iso" "epub" "pdf"))
+ (should (dired-preview--file-ignored-p (format "example.%s" ext)))
+ (should-not (dired-preview--file-ignored-p (format "example.%s_" ext)))))
+ (let ((dired-preview-ignored-extensions-regexp "\\.DS_Store\\'"))
+ (should (dired-preview--file-ignored-p ".DS_Store"))))
+
+(ert-deftest dired-preview-test--dired-preview--infer-type ()
+ "Test that `dired-preview--infer-type' infers the correct file type."
+ (let ((dired-preview-ignored-extensions-regexp
+ (custom--standard-value 'dired-preview-ignored-extensions-regexp)))
+ (dolist (ext '("mkv" "webm" "mp4" "mp3" "ogg" "m4a" "flac" "wav"
+ "gz" "zst" "tar" "xz" "rar" "zip" "iso" "epub" "pdf"))
+ (should (eq 'ignore
+ (car (dired-preview--infer-type
+ (format "example.%s" ext)))))
+ (should-not (eq 'ignore
+ (car (dired-preview--infer-type
+ (format "example.%s_" ext)))))))
+ (let ((dired-preview-ignored-extensions-regexp "\\.DS_Store\\'"))
+ (should (eq 'ignore
+ (car (dired-preview--infer-type ".DS_Store"))))))
+
+(provide 'dired-preview-test)
+;;; dired-preview-test.el ends here
diff --git a/dired-preview.el b/dired-preview.el
index fbfc2a0b1d..f0562cf78e 100644
--- a/dired-preview.el
+++ b/dired-preview.el
@@ -72,7 +72,7 @@
(concat "\\."
"\\(mkv\\|webm\\|mp4\\|mp3\\|ogg\\|m4a\\|flac\\|wav"
"\\|gz\\|zst\\|tar\\|xz\\|rar\\|zip"
- "\\|iso\\|epub\\|pdf\\)")
+ "\\|iso\\|epub\\|pdf\\)\\'")
"Regular expression of file type extensions to not preview.
When the value is nil, do not ignore any file: preview
everything.
@@ -294,15 +294,16 @@ aforementioned user option."
(defun dired-preview--file-ignored-p (file)
"Return non-nil if FILE extension is among the ignored extensions.
See user option `dired-preview-ignored-extensions-regexp'."
- (when-let* (((not (file-directory-p file)))
- ((stringp dired-preview-ignored-extensions-regexp))
- (ext (file-name-extension file :include-dot))
- ((not (string-blank-p ext))))
- (string-match-p ext dired-preview-ignored-extensions-regexp)))
+ (when-let* (((stringp dired-preview-ignored-extensions-regexp))
+ ((not (file-directory-p file)))
+ (file-nondir (file-name-nondirectory file)))
+ (string-match-p dired-preview-ignored-extensions-regexp file-nondir)))
(defun dired-preview--file-large-p (file)
"Return non-nil if FILE exceeds `dired-preview-max-size'."
- (>= (file-attribute-size (file-attributes file)) dired-preview-max-size))
+ (>= (or (file-attribute-size (file-attributes file))
+ 0)
+ dired-preview-max-size))
(defun dired-preview--file-displayed-p (file)
"Return non-nil if FILE is already displayed in a window."
@@ -333,17 +334,15 @@ See user option
`dired-preview-ignored-extensions-regexp'."
"Infer what type FILE is.
Return a cons cell whose `car' is a symbol describing FILE and `cdr' is
FILE."
- (let ((ext (file-name-extension file :include-dot))
- (file (expand-file-name file)))
+ (let* ((file (expand-file-name file))
+ (file-nondir (file-name-nondirectory file)))
(cond
- ((and (not (string-empty-p ext))
- dired-preview-ignored-extensions-regexp
- (string-match-p ext dired-preview-ignored-extensions-regexp))
+ ((and dired-preview-ignored-extensions-regexp
+ (string-match-p dired-preview-ignored-extensions-regexp
file-nondir))
(cons 'ignore file))
((dired-preview--file-large-p file)
(cons 'large file))
- ((and (not (string-empty-p ext))
- (string-match-p ext dired-preview-image-extensions-regexp))
+ ((string-match-p dired-preview-image-extensions-regexp file-nondir)
(cons 'image file))
((file-directory-p file)
(cons 'directory file))
