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- ;;; EWW
- ;; TODO: Fix `eww-forward-url' infinite forwarding.
- ;; TODO: Extend the history / bookmarks view to display tags, mark and search engine.
- ;; With colors: [mark] title url (tags)
- ;; Mark is red if no search engine, green otherwise.
- ;; Tags have their own face.
- ;; TODO: Make something useful with the tags. Helm function? Could chain two
- ;; functions: tag selection then filtered bookmark selection, then tag selection
- ;; again, etc.
- ;; Alternative: use special syntax in prompt, like find-files does. This does
- ;; not allow for listing tags though.
- (require 'helm-eww nil t)
- (setq eww-bookmarks-directory "~/personal/bookmarks"
- eww-download-directory "~/temp")
- ;; (add-to-list 'auto-mode-alist '("eww-bookmarks$" . emacs-lisp-mode))
- (defun ambrevar/eww-copy-page-title ()
- "Copy the URL of the current page into the kill ring."
- (interactive)
- (message "%s" (plist-get eww-data :title))
- (kill-new (plist-get eww-data :title)))
- (defun ambrevar/eww-next-url (&optional backward)
- "Like `eww-next-url' but if no next URL is found, go to next URL numerically.
- The URL index is the last number after the last '/'."
- (interactive)
- (condition-case nil
- (if backward
- (eww-previous-url)
- (eww-next-url))
- (user-error
- (when (eq major-mode 'eww-mode)
- (require 'rx)
- (let* ((url (plist-get eww-data :url))
- (re (rx (group (one-or-more digit))
- (zero-or-more (not (any "/")))
- line-end)))
- (if (and (string-match re url)
- (or (not backward)
- (> (string-to-number (match-string 1 url)) 0)))
- (eww
- (replace-regexp-in-string
- re
- (format (format "%%0.%dd" (length (match-string 1 url))) ; In case matched number is zero-padded.
- (funcall (if backward '1- '1+) (string-to-number (match-string 1 url))))
- url nil nil 1))
- (message "No index in URL.")))))))
- (defun ambrevar/eww-previous-url ()
- "Like `eww-previous-url' but if no next URL is found, go to next URL numerically.
- The URL index is the last number after the last '/'."
- (interactive)
- (ambrevar/eww-next-url 'backward))
- (defun ambrevar/eww-reload-all (&optional buffers)
- "Like `eww-reload' but for multiple EWW BUFFERS.
- If BUFFERS is not specified, then reload all buffers."
- (interactive)
- (dolist (b (or buffers (buffer-list)))
- (with-current-buffer b
- (when (derived-mode-p 'eww-mode)
- (eww-reload)))))
- (defun ambrevar/eww-switch-back ()
- "Switch to the *eww* buffer."
- (interactive)
- (let (buffer-info)
- (dolist (buffer (buffer-list))
- (with-current-buffer buffer
- (when (derived-mode-p 'eww-mode)
- (push buffer buffer-info))))
- (setq buffer-info (nreverse buffer-info))
- (if buffer-info
- (if (derived-mode-p 'eww-mode)
- (if (fboundp 'helm-eww)
- (helm-eww)
- (switch-to-buffer (completing-read "EWW: " (mapcar 'buffer-name buffer-info))))
- (switch-to-buffer (car buffer-info)))
- (if (fboundp 'helm-eww)
- (helm-eww)
- (call-interactively 'eww)))))
- (defun ambrevar/eww (url)
- "Fetch URL and render the page.
- If the input doesn't look like an URL or a domain name, the
- word(s) will be searched for via `eww-search-prefix'."
- (interactive
- (let* ((uris (eww-suggested-uris))
- (prompt (concat "Enter URL or keywords: "))) ; PATCH
- (list (read-string prompt (car uris) nil uris)))) ; PATCH
- (setq url (eww--dwim-expand-url url))
- (pop-to-buffer-same-window
- (if (eq major-mode 'eww-mode)
- (current-buffer)
- (get-buffer-create "*eww*")))
- (eww-setup-buffer)
- ;; Check whether the domain only uses "Highly Restricted" Unicode
- ;; IDNA characters. If not, transform to punycode to indicate that
- ;; there may be funny business going on.
- (let ((parsed (url-generic-parse-url url)))
- (when (url-host parsed)
- (unless (puny-highly-restrictive-domain-p (url-host parsed))
- (setf (url-host parsed) (puny-encode-domain (url-host parsed)))
- (setq url (url-recreate-url parsed)))))
- (plist-put eww-data :url url)
- (plist-put eww-data :title "")
- (eww-update-header-line-format)
- (let ((inhibit-read-only t))
- (insert (format "Loading %s..." url))
- (goto-char (point-min)))
- (url-retrieve url 'eww-render
- (list url nil (current-buffer))))
- (advice-add 'eww :override 'ambrevar/eww)
- (defun ambrevar/eww-open-in-new-buffer (url)
- "Fetch URL and render the page.
- If the input doesn't look like an URL or a domain name, the
- word(s) will be searched for via `eww-search-prefix'."
- (interactive
- (let* ((uris (eww-suggested-uris))
- (prompt (concat "Open URL or keywords in new buffer: ")))
- (list (read-string prompt (car uris) nil uris))))
- (setq url (eww--dwim-expand-url url))
- (pop-to-buffer-same-window
- (if (eq major-mode 'eww-mode)
- (clone-buffer)
- (generate-new-buffer "*eww*")))
- (unless (equal url (eww-current-url))
- (eww-mode)
- (eww (if (consp url) (car url) url))))
- (advice-add 'eww-open-in-new-buffer :override 'ambrevar/eww-open-in-new-buffer)
- (defun ambrevar/eww-name-buffer-with-title ()
- "Include the page title in current EWW buffer name."
- (interactive)
- (when (derived-mode-p 'eww-mode)
- (rename-buffer (format "*eww: %s*" (plist-get eww-data :title)) t)))
- (defun ambrevar/eww-update-header-line-format ()
- (setq header-line-format
- (and eww-header-line-format
- (let ((title (plist-get eww-data :title))
- (peer (plist-get eww-data :peer)))
- (when (zerop (length title))
- (setq title "[untitled]"))
- ;; This connection has is https.
- (when peer
- (setq title
- (propertize title 'face
- (if (plist-get peer :warnings)
- 'eww-invalid-certificate
- 'eww-valid-certificate))))
- (replace-regexp-in-string
- "%" "%%"
- (format-spec
- eww-header-line-format
- `((?u . ,(or (plist-get eww-data :url) ""))
- (?t . ,title)))))))
- ;; PATCH
- (ambrevar/eww-name-buffer-with-title))
- (advice-add 'eww-update-header-line-format :override 'ambrevar/eww-update-header-line-format)
- ;; TODO: Fix quickmarks bindings. Or maybe just display the quickmarks buffer
- ;; and start `eww', which follows the quickmarks when first word is the mark.
- ;; TODO: Merge qutebrowser quickmarks.
- ;; TODO: Add bookmark editing functions such as edit title, tags, quickmark,
- ;; search-engine. Use eww-buffers and Helm.
- (defun ambrevar/eww-add-bookmark ()
- "Bookmark the current page."
- (interactive)
- (eww-read-bookmarks)
- (let (tag-list)
- (dolist (bookmark eww-bookmarks)
- (when (equal
- ;; PATCH: Ignore protocol when sorting.
- ;; TODO: Include "sort-bookmarks": Warn for unique tags, warn for same URL up to paragraph. Make this customizable.
- (replace-regexp-in-string "^https?" "" (plist-get eww-data :url))
- (replace-regexp-in-string "^https?" "" (plist-get bookmark :url)))
- (user-error "Already bookmarked"))
- (setq tag-list (append tag-list (plist-get bookmark :tags))))
- (delete-duplicates tag-list)
- (let ((tags (completing-read-multiple "Tags for bookmark (comma separated): " tag-list))
- (title (replace-regexp-in-string "[\n\t\r]" " "
- (plist-get eww-data :title))))
- (setq title (replace-regexp-in-string "\\` +\\| +\\'" "" title))
- (push `(:url ,(plist-get eww-data :url)
- :title ,title
- :time ,(current-time-string)
- ,@(if tags (list :tags tags)))
- eww-bookmarks)
- (eww-write-bookmarks)
- (message "Bookmarked %s (%s)" (plist-get eww-data :url)
- (plist-get eww-data :title)))))
- (advice-add 'eww-add-bookmark :override 'ambrevar/eww-add-bookmark)
- (defun ambrevar/eww-write-bookmarks ()
- (require 'rx)
- ;; PATCH
- (setq eww-bookmarks
- (sort eww-bookmarks
- (lambda (a b) (string<
- ;; Ignore protocol when sorting.
- (replace-regexp-in-string "^[a-zA-Z]+://" "" (plist-get a :url))
- (replace-regexp-in-string "^[a-zA-Z]+://" "" (plist-get b :url))))))
- (with-temp-file (expand-file-name "eww-bookmarks" eww-bookmarks-directory)
- ;; PATCH: Remove newline for tags.
- (insert
- (replace-regexp-in-string
- (rx ":tags" ?\n (1+ space)) ":tags "
- (with-temp-buffer
- (insert ";; Auto-generated file; don't edit -*- mode: emacs-lisp; -*-\n")
- (pp eww-bookmarks (current-buffer))
- (buffer-string))))))
- (advice-add 'eww-write-bookmarks :override 'ambrevar/eww-write-bookmarks)
- (defvar ambrevar/eww-quickmark-prefix ""
- "Prefix to load a quickmark.")
- (defun ambrevar/eww-bookmark-prepare ()
- ;; PATCH: Don't load if already loaded. This allows for overrides (e.g. quickmarks).
- (unless eww-bookmarks
- (eww-read-bookmarks))
- (unless eww-bookmarks
- (user-error "No bookmarks are defined"))
- (set-buffer (get-buffer-create "*eww bookmarks*"))
- (eww-bookmark-mode)
- (let* ((width (/ (window-width) 2))
- (format (format "%%-%ds %%s" width))
- (inhibit-read-only t)
- start title)
- (erase-buffer)
- (setq header-line-format (concat " " (format format "Title" "URL")))
- (dolist (bookmark eww-bookmarks)
- (setq start (point)
- title (plist-get bookmark :title))
- ;; PATCH: Show quickmark.
- (when (plist-get bookmark :mark)
- (setq title (format "[%s] %s" (plist-get bookmark :mark) title)))
- (when (> (length title) width)
- (setq title (truncate-string-to-width title width)))
- (insert (format format title
- (concat (plist-get bookmark :url)
- (when (plist-get bookmark :tags)
- (concat " ("
- (mapconcat 'identity (plist-get bookmark :tags) ",")
- ")"))))
- "\n")
- (put-text-property start (1+ start) 'eww-bookmark bookmark)
- ;; PATCH: Bind keys
- (when (plist-get bookmark :mark)
- (define-key eww-bookmark-mode-map
- (kbd (concat ambrevar/eww-quickmark-prefix (plist-get bookmark :mark)))
- (lambda (&optional new-window)
- (interactive "P")
- (if new-window
- (ambrevar/eww-open-in-new-buffer (plist-get bookmark :url))
- (eww (plist-get bookmark :url)))))))
- (goto-char (point-min))))
- (advice-add 'eww-bookmark-prepare :override 'ambrevar/eww-bookmark-prepare)
- (defun ambrevar/eww-quickmarks (&optional new-window)
- "Display quickmarks."
- (interactive "P")
- (let ((eww-bookmarks (seq-filter (lambda (b) (plist-get b :mark)) eww-bookmarks)))
- (eww-list-bookmarks)))
- (defun ambrevar/eww-bookmarks-list-by-tags (&optional arg)
- "Return bookmarks matching one of the specified tags.
- With prefix argument or ARG, bookmarks much match all tags."
- (let ((tag-list (delq nil (mapcar (lambda (b) (plist-get b :tags)) eww-bookmarks))))
- (seq-uniq (mapcar 'append tag-list))
- (let ((tags (completing-read-multiple "Tags for bookmark (comma separated): " tag-list)))
- (seq-filter (lambda (b)
- (if arg
- (null (seq-difference tags (plist-get b :tags)))
- (seq-intersection tags (plist-get b :tags))))
- eww-bookmarks))))
- (defun ambrevar/eww-bookmarks-by-tags (&optional arg)
- "Display bookmarks matching one of the specified tags.
- With prefix argument or ARG, bookmarks much match all tags."
- (interactive "P")
- (let ((eww-bookmarks (ambrevar/eww-bookmarks-list-by-tags arg)))
- (eww-list-bookmarks)))
- (defun ambrevar/eww--dwim-expand-url (url)
- (setq url (string-trim url))
- (cond ((string-match-p "\\`file:/" url))
- ;; Don't mangle file: URLs at all.
- ((string-match-p "\\`ftp://" url)
- (user-error "FTP is not supported"))
- (t
- ;; Anything that starts with something that vaguely looks
- ;; like a protocol designator is interpreted as a full URL.
- (if (or (string-match "\\`[A-Za-z]+:" url)
- ;; Also try to match "naked" URLs like
- ;; en.wikipedia.org/wiki/Free software
- (string-match "\\`[A-Za-z_]+\\.[A-Za-z._]+/" url)
- (and (= (length (split-string url)) 1)
- (or (and (not (string-match-p "\\`[\"'].*[\"']\\'" url))
- (> (length (split-string url "[.:]")) 1))
- (string-match eww-local-regex url))))
- (progn
- (unless (string-match-p "\\`[a-zA-Z][-a-zA-Z0-9+.]*://" url)
- (setq url (concat "http://" url)))
- ;; Some sites do not redirect final /
- (when (string= (url-filename (url-generic-parse-url url)) "")
- (setq url (concat url "/"))))
- ;; PATCH: Add support for search engines and quickmarks.
- (string-match (rx (group (1+ (not space)))
- (0+ space)
- (? (group (0+ any))))
- url)
- (let* ((first-word (match-string 1 url))
- (rest-url (match-string 2 url))
- (marks (make-hash-table :test 'equal))
- (engines (make-hash-table :test 'equal)))
- (dolist (b eww-bookmarks)
- (let ((mark (plist-get b :mark))
- engine)
- (when mark
- (puthash mark (plist-get b :url) marks)
- (setq engine (plist-get b :search))
- (when engine
- (puthash mark (concat (let ((case-fold-search t))
- (unless (string-match "^https?://" engine)
- (plist-get b :url)))
- engine)
- engines)))))
- (cond
- ((and (gethash first-word engines)
- (not (string= rest-url "")) )
- (setq url (format (gethash first-word engines) ; Engines must have exactly one "%s".
- (mapconcat
- #'url-hexify-string (split-string rest-url) "+"))))
- ((and (gethash first-word marks)
- (string= rest-url ""))
- (setq url (gethash first-word marks)))
- (t (setq url (concat eww-search-prefix
- (mapconcat
- #'url-hexify-string (split-string url) "+")))))))))
- url)
- (advice-add 'eww--dwim-expand-url :override 'ambrevar/eww--dwim-expand-url)
- (provide 'init-eww)
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