1 files changed, 41 insertions, 0 deletions
diff --git a/dom/xslt/base/txExpandedName.cpp b/dom/xslt/base/txExpandedName.cpp
new file mode 100644
index 000000000..43283e425
--- /dev/null
+++ b/dom/xslt/base/txExpandedName.cpp
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "txExpandedName.h"
+#include "nsString.h"
+#include "nsReadableUtils.h"
+#include "txStringUtils.h"
+#include "txNamespaceMap.h"
+#include "txXMLUtils.h"
+
+nsresult
+txExpandedName::init(const nsAString& aQName, txNamespaceMap* aResolver,
+                     bool aUseDefault)
+{
+    const nsAFlatString& qName = PromiseFlatString(aQName);
+    const char16_t* colon;
+    bool valid = XMLUtils::isValidQName(qName, &colon);
+    if (!valid) {
+        return NS_ERROR_FAILURE;
+    }
+
+    if (colon) {
+        nsCOMPtr<nsIAtom> prefix = NS_Atomize(Substring(qName.get(), colon));
+        int32_t namespaceID = aResolver->lookupNamespace(prefix);
+        if (namespaceID == kNameSpaceID_Unknown)
+            return NS_ERROR_FAILURE;
+        mNamespaceID = namespaceID;
+
+        const char16_t *end;
+        qName.EndReading(end);
+        mLocalName = NS_Atomize(Substring(colon + 1, end));
+    }
+    else {
+        mNamespaceID = aUseDefault ? aResolver->lookupNamespace(nullptr) :
+                                     kNameSpaceID_None;
+        mLocalName = NS_Atomize(aQName);
+    }
+    return NS_OK;
+}