From e419a418f6f03ef0a24330b67e7b76c5e3a7c22d Mon Sep 17 00:00:00 2001 From: toasted-nutbread Date: Sun, 14 Feb 2021 11:19:54 -0500 Subject: Move bg/js (#1387) * Move bg/js/anki.js to js/comm/anki.js * Move bg/js/mecab.js to js/comm/mecab.js * Move bg/js/search-main.js to js/display/search-main.js * Move bg/js/template-patcher.js to js/templates/template-patcher.js * Move bg/js/template-renderer-frame-api.js to js/templates/template-renderer-frame-api.js * Move bg/js/template-renderer-frame-main.js to js/templates/template-renderer-frame-main.js * Move bg/js/template-renderer-proxy.js to js/templates/template-renderer-proxy.js * Move bg/js/template-renderer.js to js/templates/template-renderer.js * Move bg/js/media-utility.js to js/media/media-utility.js * Move bg/js/native-simple-dom-parser.js to js/dom/native-simple-dom-parser.js * Move bg/js/simple-dom-parser.js to js/dom/simple-dom-parser.js * Move bg/js/audio-downloader.js to js/media/audio-downloader.js * Move bg/js/deinflector.js to js/language/deinflector.js * Move bg/js/backend.js to js/background/backend.js * Move bg/js/translator.js to js/language/translator.js * Move bg/js/search-display-controller.js to js/display/search-display-controller.js * Move bg/js/request-builder.js to js/background/request-builder.js * Move bg/js/text-source-map.js to js/general/text-source-map.js * Move bg/js/clipboard-reader.js to js/comm/clipboard-reader.js * Move bg/js/clipboard-monitor.js to js/comm/clipboard-monitor.js * Move bg/js/query-parser.js to js/display/query-parser.js * Move bg/js/profile-conditions.js to js/background/profile-conditions.js * Move bg/js/dictionary-database.js to js/language/dictionary-database.js * Move bg/js/dictionary-importer.js to js/language/dictionary-importer.js * Move bg/js/anki-note-builder.js to js/data/anki-note-builder.js * Move bg/js/anki-note-data.js to js/data/anki-note-data.js * Move bg/js/database.js to js/data/database.js * Move bg/js/json-schema.js to js/data/json-schema.js * Move bg/js/options.js to js/data/options-util.js * Move bg/js/background-main.js to js/background/background-main.js * Move bg/js/permissions-util.js to js/data/permissions-util.js * Move bg/js/context-main.js to js/pages/action-popup-main.js * Move bg/js/generic-page-main.js to js/pages/generic-page-main.js * Move bg/js/info-main.js to js/pages/info-main.js * Move bg/js/permissions-main.js to js/pages/permissions-main.js * Move bg/js/welcome-main.js to js/pages/welcome-main.js --- ext/js/dom/simple-dom-parser.js | 117 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 ext/js/dom/simple-dom-parser.js (limited to 'ext/js/dom/simple-dom-parser.js') diff --git a/ext/js/dom/simple-dom-parser.js b/ext/js/dom/simple-dom-parser.js new file mode 100644 index 00000000..7c57ca98 --- /dev/null +++ b/ext/js/dom/simple-dom-parser.js @@ -0,0 +1,117 @@ +/* + * 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 . + */ + +/* 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]); + } + } + } + } +} -- cgit v1.2.3