18874: Add 'services/workbench2/' from commit 'f6f88d9ca9cdeeeebfadcfe999789bfb9f69e5c6'

[arvados.git] / services / workbench2 / src / common / xml.ts

diff --git a/services/workbench2/src/common/xml.ts b/services/workbench2/src/common/xml.ts
new file mode 100644 (file)
index 0000000..e7db3ac
--- /dev/null
+++ b/services/workbench2/src/common/xml.ts
@@ -0,0 +1,29 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
+import { customDecodeURI } from "./url";
+
+export const getTagValue = (document: Document | Element, tagName: string, defaultValue: string, skipDecoding: boolean = false) => {
+    const [el] = Array.from(document.getElementsByTagName(tagName));
+    const URI = el ? htmlDecode(el.innerHTML) : defaultValue;
+
+    if (!skipDecoding) {
+        try {
+            return customDecodeURI(URI);
+        } catch(e) {}
+    }
+
+    return URI;
+};
+
+const htmlDecode = (input: string) => {
+    const out = input.split(' ').map((i) => {
+        const doc = new DOMParser().parseFromString(i, "text/html");
+        if (doc.documentElement !== null) {
+            return doc.documentElement.textContent || '';
+        }
+        return '';
+    });
+    return out.join(' ');
+};