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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2021-02-14 11:19:54 -0500
committerGitHub <noreply@github.com>2021-02-14 11:19:54 -0500
commite419a418f6f03ef0a24330b67e7b76c5e3a7c22d (patch)
treea4c27bdfabc9280d9f6262d93d5152a58de8bc15 /ext/js/dom/simple-dom-parser.js
parent43d1457ebfe23196348649c245dfb942a0f00a1a (diff)
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
Diffstat (limited to 'ext/js/dom/simple-dom-parser.js')
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1 files changed, 117 insertions, 0 deletions
diff --git a/ext/js/dom/simple-dom-parser.js b/ext/js/dom/simple-dom-parser.js
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+++ b/ext/js/dom/simple-dom-parser.js
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+/*
+ * 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]);
+ }
+ }
+ }
+ }
+}