| // 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 |
| |
| #ifndef CORE_FXCRT_XML_CFX_XMLNODE_H_ |
| #define CORE_FXCRT_XML_CFX_XMLNODE_H_ |
| |
| #include "core/fxcrt/fx_stream.h" |
| #include "core/fxcrt/retain_ptr.h" |
| |
| enum FX_XMLNODETYPE { |
| FX_XMLNODE_Instruction = 0, |
| FX_XMLNODE_Element, |
| FX_XMLNODE_Text, |
| FX_XMLNODE_CharData, |
| }; |
| |
| class CFX_XMLDocument; |
| |
| class CFX_XMLNode { |
| public: |
| CFX_XMLNode(); |
| virtual ~CFX_XMLNode(); |
| |
| virtual FX_XMLNODETYPE GetType() const = 0; |
| virtual CFX_XMLNode* Clone(CFX_XMLDocument* doc) = 0; |
| virtual void Save(const RetainPtr<IFX_SeekableWriteStream>& pXMLStream) = 0; |
| |
| CFX_XMLNode* GetRoot(); |
| CFX_XMLNode* GetParent() const { return parent_; } |
| CFX_XMLNode* GetFirstChild() const { return first_child_; } |
| CFX_XMLNode* GetNextSibling() const { return next_sibling_; } |
| |
| void AppendChild(CFX_XMLNode* pNode); |
| void InsertChildNode(CFX_XMLNode* pNode, int32_t index); |
| void RemoveChildNode(CFX_XMLNode* pNode); |
| void DeleteChildren(); |
| |
| CFX_XMLNode* GetLastChildForTesting() const { return last_child_; } |
| CFX_XMLNode* GetPrevSiblingForTesting() const { return prev_sibling_; } |
| |
| protected: |
| WideString EncodeEntities(const WideString& value); |
| |
| private: |
| // The nodes are owned by the XML document. We do not know what order the |
| // nodes will be destroyed in so they can not be UnownedPtrs. |
| CFX_XMLNode* parent_ = nullptr; |
| CFX_XMLNode* first_child_ = nullptr; |
| CFX_XMLNode* last_child_ = nullptr; |
| CFX_XMLNode* next_sibling_ = nullptr; |
| CFX_XMLNode* prev_sibling_ = nullptr; |
| }; |
| |
| #endif // CORE_FXCRT_XML_CFX_XMLNODE_H_ |