cfx_xmldocument.h

Go to the documentation of this file.

// Copyright 2018 The PDFium Authors
// 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"
 
class CFX_XMLElement;
class CFX_XMLNode;
 
class CFX_XMLDocument {
 public:
  CFX_XMLDocument();
  ~CFX_XMLDocument();
 
  CFX_XMLElement* GetRoot() const { return root_; }
 
  template <typename T, typename... Args>
  T* CreateNode(Args&&... args) {
    nodes_.push_back(std::make_unique<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_