Add a CFX_XMLDocument class.

This CL adds a CFX_XMLDocument to act as the XML node container. All
nodes are now owned by the document and the document is returned by the
CFX_XMLParser.

Classes which parse XML files now store the document instead of the root
node.

BUG: chromium:835636
Change-Id: I1e07d6115cf14714911d6fd4c3fa920c94fd5faf
Reviewed-on: https://pdfium-review.googlesource.com/31313
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/core/fxcrt/xml/cfx_xmldocument_unittest.cpp b/core/fxcrt/xml/cfx_xmldocument_unittest.cpp
new file mode 100644
index 0000000000..486b040db5
--- /dev/null
+++ b/core/fxcrt/xml/cfx_xmldocument_unittest.cpp
@@ -0,0 +1,22 @@
+// Copyright 2018 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "core/fxcrt/xml/cfx_xmldocument.h"
+#include "core/fxcrt/xml/cfx_xmlelement.h"
+#include "core/fxcrt/xml/cfx_xmlinstruction.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/test_support.h"
+
+TEST(CFX_XMLDocumentTest, Root) {
+  CFX_XMLDocument doc;
+  EXPECT_TRUE(doc.GetRoot() != nullptr);
+}
+
+TEST(CFX_XMLDocumentTest, CreateNode) {
+  CFX_XMLDocument doc;
+  auto* node = doc.CreateNode<CFX_XMLElement>(L"elem");
+
+  ASSERT_EQ(FX_XMLNODE_Element, node->GetType());
+  EXPECT_EQ(L"elem", node->GetName());
+}