cfx_xmlelement.h

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// Copyright 2017 The PDFium Authors
// 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
 
#ifndef CORE_FXCRT_XML_CFX_XMLELEMENT_H_
#define CORE_FXCRT_XML_CFX_XMLELEMENT_H_
 
#include <map>
 
#include "core/fxcrt/widestring.h"
#include "core/fxcrt/xml/cfx_xmlnode.h"
 
class CFX_XMLDocument;
 
class CFX_XMLElement final : public CFX_XMLNode {
 public:
  explicit CFX_XMLElement(const WideString& wsTag);
  ~CFX_XMLElement() override;
 
  // CFX_XMLNode
  Type GetType() const override;
  CFX_XMLNode* Clone(CFX_XMLDocument* doc) override;
  void Save(const RetainPtr<IFX_RetainableWriteStream>& pXMLStream) override;
 
  const WideString& GetName() const { return name_; }
 
  const std::map<WideString, WideString>& GetAttributes() const {
    return attrs_;
  }
  bool HasAttribute(const WideString& name) const;
  void SetAttribute(const WideString& name, const WideString& value);
  WideString GetAttribute(const WideString& name) const;
  void RemoveAttribute(const WideString& name);
 
  CFX_XMLElement* GetFirstChildNamed(WideStringView name) const;
  CFX_XMLElement* GetNthChildNamed(WideStringView name, size_t idx) const;
 
  WideString GetLocalTagName() const;
  WideString GetNamespacePrefix() const;
  WideString GetNamespaceURI() const;
 
  WideString GetTextData() const;
 
 private:
  WideString AttributeToString(const WideString& name, const WideString& value);
 
  const WideString name_;
  std::map<WideString, WideString> attrs_;
};
 
inline CFX_XMLElement* ToXMLElement(CFX_XMLNode* pNode) {
  return pNode && pNode->GetType() == CFX_XMLNode::Type::kElement
             ? static_cast<CFX_XMLElement*>(pNode)
             : nullptr;
}
 
inline const CFX_XMLElement* ToXMLElement(const CFX_XMLNode* pNode) {
  return pNode && pNode->GetType() == CFX_XMLNode::Type::kElement
             ? static_cast<const CFX_XMLElement*>(pNode)
             : nullptr;
}
 
#endif  // CORE_FXCRT_XML_CFX_XMLELEMENT_H_