diff options
Diffstat (limited to 'nov.el')
| -rw-r--r-- | nov.el | 120 |
1 files changed, 60 insertions, 60 deletions
@@ -5,7 +5,7 @@ ;; Author: Vasilij Schneidermann <mail@vasilij.de> ;; URL: https://depp.brause.cc/nov.el ;; Version: 0.3.4 -;; Package-Requires: ((dash "2.12.0") (esxml "0.3.6") (emacs "25.1")) +;; Package-Requires: ((esxml "0.3.6") (emacs "25.1")) ;; Keywords: hypermedia, multimedia, epub ;; This file is NOT part of GNU Emacs. @@ -45,9 +45,9 @@ (require 'cl-lib) (require 'dom) -(require 'dash) (require 'esxml-query) (require 'image) +(require 'seq) (require 'shr) (require 'url-parse) (require 'xml) @@ -152,8 +152,8 @@ Each element of the stack is a list (NODEINDEX BUFFERPOS).") (defun nov-directory-files (directory) "Returns a list of files in DIRECTORY except for . and .." - (--remove (string-match-p "/\\.\\(?:\\.\\)?\\'" it) - (directory-files directory t))) + (seq-remove (lambda (file) (string-match-p "/\\.\\(?:\\.\\)?\\'" file)) + (directory-files directory t))) (defun nov-contains-nested-directory-p (directory) "Non-nil if DIRECTORY contains exactly one directory." @@ -171,9 +171,9 @@ Each element of the stack is a list (NODEINDEX BUFFERPOS).") (delete-directory child)) (defun nov--fix-permissions (file-or-directory mode) - (->> (file-modes file-or-directory) - (file-modes-symbolic-to-number mode) - (set-file-modes file-or-directory))) + (let* ((modes (file-modes file-or-directory)) + (fixed-mode (file-modes-symbolic-to-number mode modes))) + (set-file-modes file-or-directory fixed-mode))) (defun nov-fix-permissions (directory) "Iterate recursively through DIRECTORY to fix its files." @@ -309,7 +309,8 @@ Required keys are 'identifier and everything in "Extract an alist of manifest files for CONTENT in DIRECTORY. Each alist item consists of the identifier and full path." (mapcar (lambda (node) - (-let [(&alist 'id id 'href href) (dom-attributes node)] + (let ((id (dom-attr node 'id)) + (href (dom-attr node 'href))) (cons (intern id) (nov-make-path directory (nov-urldecode href))))) (esxml-query-all "package>manifest>item" content))) @@ -339,7 +340,7 @@ Each alist item consists of the identifier and full path." (let ((toc-file (assq nov-toc-id manifest))) (when (not toc-file) (error "EPUB 3 <nav> file not found")) - (setq files (--remove (eq (car it) nov-toc-id) files)) + (setq files (seq-remove (lambda (item) (eq (car item) nov-toc-id)) files)) (cons toc-file files)))) (defun nov-content-files (directory content) @@ -354,7 +355,8 @@ Each alist item consists of the identifier and full path." (defun nov--walk-ncx-node (node) (let ((tag (dom-tag node)) - (children (--filter (eq (dom-tag it) 'navPoint) (dom-children node)))) + (children (seq-filter (lambda (child) (eq (dom-tag child) 'navPoint)) + (dom-children node)))) (cond ((eq tag 'navMap) (insert "<ol>\n") @@ -486,9 +488,9 @@ This function honors `shr-max-image-proportion' if possible." 'imagemagick))) (if (not (display-graphic-p)) (insert alt) - (-let* (((x1 y1 x2 y2) (window-inside-pixel-edges - (get-buffer-window (current-buffer)))) - (image + (seq-let (x1 y1 x2 y2) (window-inside-pixel-edges + (get-buffer-window (current-buffer))) + (let ((image ;; `create-image' errors out for unsupported image types (ignore-errors (create-image path type nil @@ -497,9 +499,9 @@ This function honors `shr-max-image-proportion' if possible." (- x2 x1))) :max-height (truncate (* shr-max-image-proportion (- y2 y1))))))) - (if image - (insert-image image) - (insert alt)))))) + (if image + (insert-image image) + (insert alt))))))) (defvar nov-original-shr-tag-img-function (symbol-function 'shr-tag-img)) @@ -561,27 +563,27 @@ If the document path refers to an image (as determined by `image-type-file-name-regexps'), an image is inserted, otherwise the HTML is rendered with `nov-render-html-function'." (interactive) - (-let* (((id . path) (aref nov-documents nov-documents-index)) - ;; HACK: this should be looked up in the manifest - (imagep (--find (string-match-p (car it) path) - image-type-file-name-regexps)) + (seq-let (id &rest path) (aref nov-documents nov-documents-index) + (let (;; HACK: this should be looked up in the manifest + (imagep (seq-find (lambda (item) (string-match-p (car item) path)) + image-type-file-name-regexps)) ;; NOTE: allows resolving image references correctly (default-directory (file-name-directory path)) - (buffer-read-only nil)) - (erase-buffer) - - (cond - (imagep - (nov-insert-image path "")) - ((and (version< nov-epub-version "3.0") - (eq id nov-toc-id)) - (insert (nov-ncx-to-html path))) - (t - (insert (nov-slurp path)))) - - (when (not imagep) - (funcall nov-render-html-function)) - (goto-char (point-min)))) + buffer-read-only) + (erase-buffer) + + (cond + (imagep + (nov-insert-image path "")) + ((and (version< nov-epub-version "3.0") + (eq id nov-toc-id)) + (insert (nov-ncx-to-html path))) + (t + (insert (nov-slurp path)))) + + (when (not imagep) + (funcall nov-render-html-function)) + (goto-char (point-min))))) (defun nov-find-document (predicate) "Return first item in `nov-documents' PREDICATE is true for." @@ -639,7 +641,7 @@ the HTML is rendered with `nov-render-html-function'." (erase-buffer) (insert (format "EPUB Version: %s\n" version)) (dolist (item metadata) - (-let [(key . value) item] + (seq-let (key &rest value) item (insert (format "%s: " (capitalize (symbol-name key)))) (if value (if (eq key 'description) @@ -768,28 +770,27 @@ Saving is only done if `nov-save-place-file' is set." (interactive) (or nov-history (user-error "This is the first document you looked at")) - (-let ((history-forward - (cons (list nov-documents-index (point)) - nov-history-forward)) - ((index opoint) (car nov-history))) - (setq nov-history (cdr nov-history)) - (nov-goto-document index) - (setq nov-history (cdr nov-history)) - (setq nov-history-forward history-forward) - (goto-char opoint) - (recenter (1- (max 1 scroll-margin))))) + (let ((history-forward (cons (list nov-documents-index (point)) + nov-history-forward))) + (seq-let (index opoint) (car nov-history) + (setq nov-history (cdr nov-history)) + (nov-goto-document index) + (setq nov-history (cdr nov-history)) + (setq nov-history-forward history-forward) + (goto-char opoint) + (recenter (1- (max 1 scroll-margin)))))) (defun nov-history-forward () "Go forward in the history of visited documents." (interactive) (or nov-history-forward (user-error "This is the last document you looked at")) - (-let ((history-forward (cdr nov-history-forward)) - ((index opoint) (car nov-history-forward))) - (nov-goto-document index) - (setq nov-history-forward history-forward) - (goto-char opoint) - (recenter (1- (max 1 scroll-margin))))) + (let ((history-forward (cdr nov-history-forward))) + (seq-let (index opoint) (car nov-history-forward) + (nov-goto-document index) + (setq nov-history-forward history-forward) + (goto-char opoint) + (recenter (1- (max 1 scroll-margin)))))) ;;;###autoload (define-derived-mode nov-mode special-mode "EPUB" @@ -814,15 +815,14 @@ Saving is only done if `nov-save-place-file' is set." (nov-clean-up) (error "Invalid EPUB file")) (let* ((content (nov-slurp (nov-container-filename nov-temp-dir) t)) - (content-file (->> (nov-container-content-filename content) - (nov-make-path nov-temp-dir))) + (content-file-name (nov-container-content-filename content)) + (content-file (nov-make-path nov-temp-dir content-file-name)) (work-dir (file-name-directory content-file)) (content (nov-slurp content-file t))) (setq nov-content-file content-file) (setq nov-epub-version (nov-content-version content)) (setq nov-metadata (nov-content-metadata content)) - (setq nov-documents (->> (nov-content-files work-dir content) - (apply 'vector))) + (setq nov-documents (apply 'vector (nov-content-files work-dir content))) (setq nov-documents-index 0)) (setq buffer-undo-list t) (setq nov-file-name (buffer-file-name)) @@ -945,10 +945,10 @@ See also `nov-bookmark-make-record'." (libxml-parse-html-region (point-min) (point-max))))) (mapcar (lambda (node) - (-let* ((href (dom-attr node 'href)) - (label (dom-text node)) - ((filename target) (nov-url-filename-and-target href))) - (list label filename 'nov-imenu-goto-function target))) + (let ((href (dom-attr node 'href)) + (label (dom-text node))) + (seq-let (filename target) (nov-url-filename-and-target href) + (list label filename 'nov-imenu-goto-function target)))) (esxml-query-all "a" toc)))) (defun nov-imenu-setup () |