1 files changed, 50 insertions, 0 deletions
diff --git a/core/fxcrt/xml/cxml_attrmap.cpp b/core/fxcrt/xml/cxml_attrmap.cpp
new file mode 100644
index 0000000000..8d226fe5f0
--- /dev/null
+++ b/core/fxcrt/xml/cxml_attrmap.cpp
@@ -0,0 +1,50 @@
+// Copyright 2017 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.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fxcrt/xml/cxml_attrmap.h"
+
+#include "third_party/base/ptr_util.h"
+#include "third_party/base/stl_util.h"
+
+CXML_AttrMap::CXML_AttrMap() {}
+
+CXML_AttrMap::~CXML_AttrMap() {}
+
+const CFX_WideString* CXML_AttrMap::Lookup(const CFX_ByteString& space,
+                                           const CFX_ByteString& name) const {
+  if (!m_pMap)
+    return nullptr;
+
+  for (const auto& item : *m_pMap) {
+    if (item.Matches(space, name))
+      return &item.m_Value;
+  }
+  return nullptr;
+}
+
+void CXML_AttrMap::SetAt(const CFX_ByteString& space,
+                         const CFX_ByteString& name,
+                         const CFX_WideString& value) {
+  if (!m_pMap)
+    m_pMap = pdfium::MakeUnique<std::vector<CXML_AttrItem>>();
+
+  for (CXML_AttrItem& item : *m_pMap) {
+    if (item.Matches(space, name)) {
+      item.m_Value = value;
+      return;
+    }
+  }
+
+  m_pMap->push_back({space, name, CFX_WideString(value)});
+}
+
+int CXML_AttrMap::GetSize() const {
+  return m_pMap ? pdfium::CollectionSize<int>(*m_pMap) : 0;
+}
+
+CXML_AttrItem& CXML_AttrMap::GetAt(int index) const {
+  return (*m_pMap)[index];
+}