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Diffstat (limited to 'ext/bg/js/simple-dom-parser.js')
-rw-r--r-- | ext/bg/js/simple-dom-parser.js | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/ext/bg/js/simple-dom-parser.js b/ext/bg/js/simple-dom-parser.js deleted file mode 100644 index 7c57ca98..00000000 --- a/ext/bg/js/simple-dom-parser.js +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Copyright (C) 2020-2021 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/>. - */ - -/* globals - * parse5 - */ - -class SimpleDOMParser { - constructor(content) { - this._document = parse5.parse(content); - } - - getElementById(id, root=null) { - for (const node of this._allNodes(root)) { - if (typeof node.tagName === 'string' && this.getAttribute(node, 'id') === id) { - return node; - } - } - return null; - } - - getElementByTagName(tagName, root=null) { - for (const node of this._allNodes(root)) { - if (node.tagName === tagName) { - return node; - } - } - return null; - } - - getElementsByTagName(tagName, root=null) { - const results = []; - for (const node of this._allNodes(root)) { - if (node.tagName === tagName) { - results.push(node); - } - } - return results; - } - - getElementsByClassName(className, root=null) { - const results = []; - const classNamePattern = new RegExp(`(^|\\s)${escapeRegExp(className)}(\\s|$)`); - for (const node of this._allNodes(root)) { - if (typeof node.tagName === 'string') { - const nodeClassName = this.getAttribute(node, 'class'); - if (nodeClassName !== null && classNamePattern.test(nodeClassName)) { - results.push(node); - } - } - } - return results; - } - - getAttribute(element, attribute) { - for (const attr of element.attrs) { - if ( - attr.name === attribute && - typeof attr.namespace === 'undefined' - ) { - return attr.value; - } - } - return null; - } - - getTextContent(element) { - let source = ''; - for (const node of this._allNodes(element)) { - if (node.nodeName === '#text') { - source += node.value; - } - } - return source; - } - - static isSupported() { - return typeof parse5 !== 'undefined'; - } - - // Private - - *_allNodes(root) { - if (root === null) { - root = this._document; - } - - // Depth-first pre-order traversal - const nodeQueue = [root]; - while (nodeQueue.length > 0) { - const node = nodeQueue.pop(); - - yield node; - - const childNodes = node.childNodes; - if (typeof childNodes !== 'undefined') { - for (let i = childNodes.length - 1; i >= 0; --i) { - nodeQueue.push(childNodes[i]); - } - } - } - } -} |