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// 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.
#ifndef CORE_FXCRT_XML_CFX_XMLDOCUMENT_H_
#define CORE_FXCRT_XML_CFX_XMLDOCUMENT_H_
#include <memory>
#include <utility>
#include <vector>
#include "core/fxcrt/unowned_ptr.h"
#include "core/fxcrt/xml/cfx_xmlelement.h"
#include "third_party/base/ptr_util.h"
class CFX_XMLInstruction;
class CFX_XMLNode;
class CFX_XMLDocument {
public:
CFX_XMLDocument();
~CFX_XMLDocument();
CFX_XMLElement* GetRoot() const { return root_.Get(); }
template <typename T, typename... Args>
T* CreateNode(Args&&... args) {
nodes_.push_back(pdfium::MakeUnique<T>(std::forward<Args>(args)...));
return static_cast<T*>(nodes_.back().get());
}
// Transfers ownership of entries in |nodes_| from |other| to |this|.
// This is used in CJX_Node::loadXML to transfer ownership of the newly
// created nodes to the top-level XML doc for the PDF, after parsing an XML
// blob.
void AppendNodesFrom(CFX_XMLDocument* other);
private:
std::vector<std::unique_ptr<CFX_XMLNode>> nodes_;
UnownedPtr<CFX_XMLElement> root_;
};
#endif // CORE_FXCRT_XML_CFX_XMLDOCUMENT_H_
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