Split CFX_XMLNode::SaveXMLNode apart

This CL removes the switch from SaveXMLNode and moves the required code
into override methods in the child classes. The method is renamed from
SaveXMLNode to just Save.

Change-Id: I2011b80525e99635c573b4e0cf977e94f6b7cea6
Reviewed-on: https://pdfium-review.googlesource.com/26590
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/core/fxcrt/xml/cfx_xmlelement.cpp b/core/fxcrt/xml/cfx_xmlelement.cpp
index 39233190b1..4eb3900c2f 100644
--- a/core/fxcrt/xml/cfx_xmlelement.cpp
+++ b/core/fxcrt/xml/cfx_xmlelement.cpp
@@ -101,3 +101,31 @@ void CFX_XMLElement::SetTextData(const WideString& wsText) {
     return;
   AppendChild(new CFX_XMLText(wsText));
 }
+
+void CFX_XMLElement::Save(
+    const RetainPtr<CFX_SeekableStreamProxy>& pXMLStream) {
+  WideString ws(L"<");
+  ws += GetName();
+  pXMLStream->WriteString(ws.AsStringView());
+
+  for (auto it : GetAttributes()) {
+    pXMLStream->WriteString(
+        AttributeToString(it.first, it.second).AsStringView());
+  }
+
+  if (GetFirstChild()) {
+    ws = L"\n>";
+    pXMLStream->WriteString(ws.AsStringView());
+    CFX_XMLNode* pChild = GetFirstChild();
+    while (pChild) {
+      pChild->Save(pXMLStream);
+      pChild = pChild->GetNextSibling();
+    }
+    ws = L"</";
+    ws += GetName();
+    ws += L"\n>";
+  } else {
+    ws = L"\n/>";
+  }
+  pXMLStream->WriteString(ws.AsStringView());
+}