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/*
* Copyright (C) 2023 Yomitan Authors
* Copyright (C) 2020-2022 Yomichan Authors
*
* 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/>.
*/
export class NativeSimpleDOMParser {
/**
* @param {string} content
*/
constructor(content) {
/** @type {Document} */
this._document = new DOMParser().parseFromString(content, 'text/html');
}
/**
* @param {string} id
* @param {import('simple-dom-parser').Element} [root]
* @returns {?import('simple-dom-parser').Element}
*/
getElementById(id, root) {
return this._convertElementOrDocument(root).querySelector(`[id='${id}']`);
}
/**
* @param {string} tagName
* @param {import('simple-dom-parser').Element} [root]
* @returns {?import('simple-dom-parser').Element}
*/
getElementByTagName(tagName, root) {
return this._convertElementOrDocument(root).querySelector(tagName);
}
/**
* @param {string} tagName
* @param {import('simple-dom-parser').Element} [root]
* @returns {import('simple-dom-parser').Element[]}
*/
getElementsByTagName(tagName, root) {
return [...this._convertElementOrDocument(root).querySelectorAll(tagName)];
}
/**
* @param {string} className
* @param {import('simple-dom-parser').Element} [root]
* @returns {import('simple-dom-parser').Element[]}
*/
getElementsByClassName(className, root) {
return [...this._convertElementOrDocument(root).querySelectorAll(`.${className}`)];
}
/**
* @param {import('simple-dom-parser').Element} element
* @param {string} attribute
* @returns {?string}
*/
getAttribute(element, attribute) {
const element2 = this._convertElement(element);
return element2.hasAttribute(attribute) ? element2.getAttribute(attribute) : null;
}
/**
* @param {import('simple-dom-parser').Element} element
* @returns {string}
*/
getTextContent(element) {
const {textContent} = this._convertElement(element);
return typeof textContent === 'string' ? textContent : '';
}
/**
* @returns {boolean}
*/
static isSupported() {
return typeof DOMParser !== 'undefined';
}
/**
* @param {import('simple-dom-parser').Element} element
* @returns {Element}
*/
_convertElement(element) {
return /** @type {Element} */ (element);
}
/**
* @param {import('simple-dom-parser').Element|undefined} element
* @returns {Element|Document}
*/
_convertElementOrDocument(element) {
return typeof element !== 'undefined' ? /** @type {Element} */ (element) : this._document;
}
}
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