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;;; my-markup.el -- Markup related extensions for emacs core -*- lexical-binding: t -*-
;; Copyright (C) 2023 Free Software Foundation.
;; Author: Yuchen Pei <id@ypei.org>
;; Package-Requires: ((emacs "28.2"))
;; This file is part of dotfiles.
;; dotfiles is free software: you can redistribute it and/or modify it under
;; the terms of the GNU Affero General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; dotfiles 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 Affero General
;; Public License for more details.
;; You should have received a copy of the GNU Affero General Public
;; License along with dotfiles. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Markup related extensions for emacs core.
;;; Code:
;;; shr
(defun my-shr-add-id (dom start end)
(let ((id (dom-attr dom 'id)))
(when id
(put-text-property start end 'shr-frag-id id))))
(defun my-shr-add-id-advice (orig-fun &rest args)
(let ((start (point)))
(apply orig-fun args)
(my-shr-add-id (car args) start (point))))
;;; dom
(defun my-dom-remove-style (node)
(dolist (to-remove (dom-by-tag node 'style))
(dom-remove-node node to-remove))
node)
(defun my-dom-next-p-sibling (dom node)
"Return the next para sibling of NODE in DOM."
(when-let* ((parent (dom-parent dom node)))
(let ((siblings (dom-children parent))
(next))
(while (and siblings (not next))
(when (eq (pop siblings) node)
(setq next (car siblings))))
(while (and siblings (not (and (listp next) (eq (dom-tag next) 'p))))
(setq next (pop siblings)))
next)))
(defun my-dom-first-tag-text (dom tag)
(car (dom-by-tag dom tag)))
;; xml
(defun my-xml-get-first-child (node tag)
(car (xml-get-children node tag)))
(defun my-xml-get-first-child-text (node tag)
(when-let ((text (dom-text (my-xml-get-first-child node tag))))
(replace-regexp-in-string "\n" " " (string-trim text))))
(provide 'my-markup)
;;; my-markup.el ends here
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