| // Copyright 2014 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 XFA_FDE_XML_FDE_XML_IMP_H_ |
| #define XFA_FDE_XML_FDE_XML_IMP_H_ |
| |
| #include "core/fxcrt/include/fx_system.h" |
| #include "xfa/fde/xml/fde_xml.h" |
| #include "xfa/fgas/crt/fgas_memory.h" |
| #include "xfa/fgas/crt/fgas_stream.h" |
| |
| class CFDE_BlockBuffer; |
| class CFDE_XMLInstruction; |
| class CFDE_XMLElement; |
| class CFDE_XMLText; |
| class CFDE_XMLDoc; |
| class CFDE_XMLDOMParser; |
| class CFDE_XMLParser; |
| class CFDE_XMLSAXParser; |
| class CFDE_XMLSyntaxParser; |
| |
| class CFDE_XMLNode : public CFX_Target { |
| public: |
| enum NodeItem { |
| Root = 0, |
| Parent, |
| FirstSibling, |
| PriorSibling, |
| NextSibling, |
| LastSibling, |
| FirstNeighbor, |
| PriorNeighbor, |
| NextNeighbor, |
| LastNeighbor, |
| FirstChild, |
| LastChild |
| }; |
| |
| CFDE_XMLNode(); |
| |
| virtual void Release() { delete this; } |
| virtual FDE_XMLNODETYPE GetType() const { return FDE_XMLNODE_Unknown; } |
| virtual int32_t CountChildNodes() const; |
| virtual CFDE_XMLNode* GetChildNode(int32_t index) const; |
| virtual int32_t GetChildNodeIndex(CFDE_XMLNode* pNode) const; |
| virtual CFDE_XMLNode* GetPath(const FX_WCHAR* pPath, |
| int32_t iLength = -1, |
| FX_BOOL bQualifiedName = TRUE) const; |
| virtual int32_t InsertChildNode(CFDE_XMLNode* pNode, int32_t index = -1); |
| virtual void RemoveChildNode(CFDE_XMLNode* pNode); |
| virtual void DeleteChildren(); |
| virtual CFDE_XMLNode* GetNodeItem(CFDE_XMLNode::NodeItem eItem) const; |
| virtual int32_t GetNodeLevel() const; |
| virtual FX_BOOL InsertNodeItem(CFDE_XMLNode::NodeItem eItem, |
| CFDE_XMLNode* pNode); |
| virtual CFDE_XMLNode* RemoveNodeItem(CFDE_XMLNode::NodeItem eItem); |
| virtual CFDE_XMLNode* Clone(FX_BOOL bRecursive); |
| virtual void SaveXMLNode(IFX_Stream* pXMLStream); |
| |
| public: |
| ~CFDE_XMLNode(); |
| void CloneChildren(CFDE_XMLNode* pClone); |
| CFDE_XMLNode* m_pParent; |
| CFDE_XMLNode* m_pChild; |
| CFDE_XMLNode* m_pPrior; |
| CFDE_XMLNode* m_pNext; |
| }; |
| class CFDE_XMLInstruction : public CFDE_XMLNode { |
| public: |
| CFDE_XMLInstruction(const CFX_WideString& wsTarget); |
| virtual void Release() { delete this; } |
| virtual FDE_XMLNODETYPE GetType() const { return FDE_XMLNODE_Instruction; } |
| virtual CFDE_XMLNode* Clone(FX_BOOL bRecursive); |
| virtual void GetTargetName(CFX_WideString& wsTarget) const { |
| wsTarget = m_wsTarget; |
| } |
| virtual int32_t CountAttributes() const; |
| virtual FX_BOOL GetAttribute(int32_t index, |
| CFX_WideString& wsAttriName, |
| CFX_WideString& wsAttriValue) const; |
| virtual FX_BOOL HasAttribute(const FX_WCHAR* pwsAttriName) const; |
| virtual void GetString(const FX_WCHAR* pwsAttriName, |
| CFX_WideString& wsAttriValue, |
| const FX_WCHAR* pwsDefValue = nullptr) const; |
| virtual void SetString(const CFX_WideString& wsAttriName, |
| const CFX_WideString& wsAttriValue); |
| virtual int32_t GetInteger(const FX_WCHAR* pwsAttriName, |
| int32_t iDefValue = 0) const; |
| virtual void SetInteger(const FX_WCHAR* pwsAttriName, int32_t iAttriValue); |
| virtual FX_FLOAT GetFloat(const FX_WCHAR* pwsAttriName, |
| FX_FLOAT fDefValue = 0) const; |
| virtual void SetFloat(const FX_WCHAR* pwsAttriName, FX_FLOAT fAttriValue); |
| virtual void RemoveAttribute(const FX_WCHAR* pwsAttriName); |
| virtual int32_t CountData() const; |
| virtual FX_BOOL GetData(int32_t index, CFX_WideString& wsData) const; |
| virtual void AppendData(const CFX_WideString& wsData); |
| virtual void RemoveData(int32_t index); |
| |
| public: |
| ~CFDE_XMLInstruction() {} |
| CFX_WideString m_wsTarget; |
| CFX_WideStringArray m_Attributes; |
| CFX_WideStringArray m_TargetData; |
| }; |
| class CFDE_XMLElement : public CFDE_XMLNode { |
| public: |
| CFDE_XMLElement(const CFX_WideString& wsTag); |
| virtual void Release() { delete this; } |
| virtual FDE_XMLNODETYPE GetType() const { return FDE_XMLNODE_Element; } |
| virtual CFDE_XMLNode* Clone(FX_BOOL bRecursive); |
| virtual void GetTagName(CFX_WideString& wsTag) const; |
| virtual void GetLocalTagName(CFX_WideString& wsTag) const; |
| virtual void GetNamespacePrefix(CFX_WideString& wsPrefix) const; |
| virtual void GetNamespaceURI(CFX_WideString& wsNamespace) const; |
| virtual int32_t CountAttributes() const; |
| virtual FX_BOOL GetAttribute(int32_t index, |
| CFX_WideString& wsAttriName, |
| CFX_WideString& wsAttriValue) const; |
| virtual FX_BOOL HasAttribute(const FX_WCHAR* pwsAttriName) const; |
| virtual void GetString(const FX_WCHAR* pwsAttriName, |
| CFX_WideString& wsAttriValue, |
| const FX_WCHAR* pwsDefValue = nullptr) const; |
| virtual void SetString(const CFX_WideString& wsAttriName, |
| const CFX_WideString& wsAttriValue); |
| virtual int32_t GetInteger(const FX_WCHAR* pwsAttriName, |
| int32_t iDefValue = 0) const; |
| virtual void SetInteger(const FX_WCHAR* pwsAttriName, int32_t iAttriValue); |
| virtual FX_FLOAT GetFloat(const FX_WCHAR* pwsAttriName, |
| FX_FLOAT fDefValue = 0) const; |
| virtual void SetFloat(const FX_WCHAR* pwsAttriName, FX_FLOAT fAttriValue); |
| virtual void RemoveAttribute(const FX_WCHAR* pwsAttriName); |
| virtual void GetTextData(CFX_WideString& wsText) const; |
| virtual void SetTextData(const CFX_WideString& wsText); |
| |
| public: |
| ~CFDE_XMLElement(); |
| CFX_WideString m_wsTag; |
| CFX_WideStringArray m_Attributes; |
| }; |
| class CFDE_XMLText : public CFDE_XMLNode { |
| public: |
| CFDE_XMLText(const CFX_WideString& wsText); |
| virtual void Release() { delete this; } |
| virtual FDE_XMLNODETYPE GetType() const { return FDE_XMLNODE_Text; } |
| virtual CFDE_XMLNode* Clone(FX_BOOL bRecursive); |
| virtual void GetText(CFX_WideString& wsText) const { wsText = m_wsText; } |
| virtual void SetText(const CFX_WideString& wsText) { m_wsText = wsText; } |
| |
| public: |
| ~CFDE_XMLText() {} |
| CFX_WideString m_wsText; |
| }; |
| class CFDE_XMLDeclaration : public CFDE_XMLNode { |
| public: |
| CFDE_XMLDeclaration() : CFDE_XMLNode() {} |
| }; |
| class CFDE_XMLCharData : public CFDE_XMLDeclaration { |
| public: |
| CFDE_XMLCharData(const CFX_WideString& wsCData); |
| |
| virtual void Release() { delete this; } |
| virtual FDE_XMLNODETYPE GetType() const { return FDE_XMLNODE_CharData; } |
| virtual CFDE_XMLNode* Clone(FX_BOOL bRecursive); |
| virtual void GetCharData(CFX_WideString& wsCharData) const { |
| wsCharData = m_wsCharData; |
| } |
| virtual void SetCharData(const CFX_WideString& wsCData) { |
| m_wsCharData = wsCData; |
| } |
| |
| public: |
| ~CFDE_XMLCharData() {} |
| |
| CFX_WideString m_wsCharData; |
| }; |
| class CFDE_XMLDoc : public CFX_Target { |
| public: |
| CFDE_XMLDoc(); |
| ~CFDE_XMLDoc(); |
| virtual void Release() { delete this; } |
| virtual FX_BOOL LoadXML(IFX_Stream* pXMLStream, |
| int32_t iXMLPlaneSize = 8192, |
| int32_t iTextDataSize = 256, |
| FDE_XMLREADERHANDLER* pHandler = nullptr); |
| virtual FX_BOOL LoadXML(CFDE_XMLParser* pXMLParser); |
| virtual int32_t DoLoad(IFX_Pause* pPause = nullptr); |
| virtual void CloseXML(); |
| virtual CFDE_XMLNode* GetRoot() const { return m_pRoot; } |
| virtual void SaveXML(IFX_Stream* pXMLStream = nullptr, |
| FX_BOOL bSaveBOM = TRUE); |
| virtual void SaveXMLNode(IFX_Stream* pXMLStream, CFDE_XMLNode* pNode); |
| |
| protected: |
| IFX_Stream* m_pStream; |
| int32_t m_iStatus; |
| CFDE_XMLNode* m_pRoot; |
| CFDE_XMLSyntaxParser* m_pSyntaxParser; |
| CFDE_XMLParser* m_pXMLParser; |
| void Reset(FX_BOOL bInitRoot); |
| void ReleaseParser(); |
| }; |
| typedef CFX_StackTemplate<CFDE_XMLNode*> CFDE_XMLDOMNodeStack; |
| |
| class CFDE_XMLParser { |
| public: |
| virtual ~CFDE_XMLParser() {} |
| |
| virtual void Release() = 0; |
| virtual int32_t DoParser(IFX_Pause* pPause) = 0; |
| }; |
| |
| class CFDE_XMLDOMParser : public CFDE_XMLParser, public CFX_Target { |
| public: |
| CFDE_XMLDOMParser(CFDE_XMLNode* pRoot, CFDE_XMLSyntaxParser* pParser); |
| ~CFDE_XMLDOMParser(); |
| |
| virtual void Release() { delete this; } |
| virtual int32_t DoParser(IFX_Pause* pPause); |
| |
| private: |
| CFDE_XMLSyntaxParser* m_pParser; |
| CFDE_XMLNode* m_pParent; |
| CFDE_XMLNode* m_pChild; |
| CFDE_XMLDOMNodeStack m_NodeStack; |
| CFX_WideString m_ws1; |
| CFX_WideString m_ws2; |
| }; |
| class CFDE_XMLTAG : public CFX_Target { |
| public: |
| CFDE_XMLTAG() : eType(FDE_XMLNODE_Unknown) {} |
| CFDE_XMLTAG(const CFDE_XMLTAG& src) |
| : wsTagName(src.wsTagName), eType(src.eType) {} |
| CFX_WideString wsTagName; |
| FDE_XMLNODETYPE eType; |
| }; |
| typedef CFX_ObjectStackTemplate<CFDE_XMLTAG> CFDE_XMLTagStack; |
| class CFDE_XMLSAXParser : public CFDE_XMLParser, public CFX_Target { |
| public: |
| CFDE_XMLSAXParser(FDE_XMLREADERHANDLER* pHandler, |
| CFDE_XMLSyntaxParser* pParser); |
| ~CFDE_XMLSAXParser(); |
| |
| virtual void Release() { delete this; } |
| virtual int32_t DoParser(IFX_Pause* pPause); |
| |
| private: |
| void Push(const CFDE_XMLTAG& xmlTag); |
| void Pop(); |
| FDE_XMLREADERHANDLER* m_pHandler; |
| CFDE_XMLSyntaxParser* m_pParser; |
| CFDE_XMLTagStack m_TagStack; |
| CFDE_XMLTAG* m_pTagTop; |
| CFX_WideString m_ws1; |
| CFX_WideString m_ws2; |
| }; |
| |
| class CFDE_BlockBuffer : public CFX_Target { |
| public: |
| CFDE_BlockBuffer(int32_t iAllocStep = 1024 * 1024); |
| ~CFDE_BlockBuffer(); |
| |
| FX_BOOL InitBuffer(int32_t iBufferSize = 1024 * 1024); |
| FX_BOOL IsInitialized() { return m_iBufferSize / m_iAllocStep >= 1; } |
| void ReleaseBuffer() { delete this; } |
| FX_WCHAR* GetAvailableBlock(int32_t& iIndexInBlock); |
| inline int32_t GetAllocStep() const { return m_iAllocStep; } |
| inline int32_t& GetDataLengthRef() { return m_iDataLength; } |
| inline void Reset(FX_BOOL bReserveData = TRUE) { |
| if (!bReserveData) { |
| m_iStartPosition = 0; |
| } |
| m_iDataLength = 0; |
| } |
| void SetTextChar(int32_t iIndex, FX_WCHAR ch); |
| int32_t DeleteTextChars(int32_t iCount, FX_BOOL bDirection = TRUE); |
| void GetTextData(CFX_WideString& wsTextData, |
| int32_t iStart = 0, |
| int32_t iLength = -1) const; |
| |
| protected: |
| inline void TextDataIndex2BufIndex(const int32_t iIndex, |
| int32_t& iBlockIndex, |
| int32_t& iInnerIndex) const; |
| void ClearBuffer(); |
| CFX_ArrayTemplate<FX_WCHAR*> m_BlockArray; |
| int32_t m_iDataLength; |
| int32_t m_iBufferSize; |
| int32_t m_iAllocStep; |
| int32_t m_iStartPosition; |
| }; |
| |
| class CFDE_XMLSyntaxParser : public CFX_Target { |
| public: |
| CFDE_XMLSyntaxParser(); |
| ~CFDE_XMLSyntaxParser(); |
| void Release() { delete this; } |
| void Init(IFX_Stream* pStream, |
| int32_t iXMLPlaneSize, |
| int32_t iTextDataSize = 256); |
| FDE_XmlSyntaxResult DoSyntaxParse(); |
| int32_t GetStatus() const; |
| int32_t GetCurrentPos() const { |
| return m_iParsedChars + (m_pStart - m_pBuffer); |
| } |
| FX_FILESIZE GetCurrentBinaryPos() const; |
| int32_t GetCurrentNodeNumber() const { return m_iCurrentNodeNum; } |
| int32_t GetLastNodeNumber() const { return m_iLastNodeNum; } |
| |
| void GetTargetName(CFX_WideString& wsTarget) const { |
| m_BlockBuffer.GetTextData(wsTarget, 0, m_iTextDataLength); |
| } |
| void GetTagName(CFX_WideString& wsTag) const { |
| m_BlockBuffer.GetTextData(wsTag, 0, m_iTextDataLength); |
| } |
| void GetAttributeName(CFX_WideString& wsAttriName) const { |
| m_BlockBuffer.GetTextData(wsAttriName, 0, m_iTextDataLength); |
| } |
| void GetAttributeValue(CFX_WideString& wsAttriValue) const { |
| m_BlockBuffer.GetTextData(wsAttriValue, 0, m_iTextDataLength); |
| } |
| void GetTextData(CFX_WideString& wsText) const { |
| m_BlockBuffer.GetTextData(wsText, 0, m_iTextDataLength); |
| } |
| void GetTargetData(CFX_WideString& wsData) const { |
| m_BlockBuffer.GetTextData(wsData, 0, m_iTextDataLength); |
| } |
| |
| protected: |
| enum class FDE_XmlSyntaxState { |
| Text, |
| Node, |
| Target, |
| Tag, |
| AttriName, |
| AttriEqualSign, |
| AttriQuotation, |
| AttriValue, |
| Entity, |
| EntityDecimal, |
| EntityHex, |
| CloseInstruction, |
| BreakElement, |
| CloseElement, |
| SkipDeclNode, |
| DeclCharData, |
| SkipComment, |
| SkipCommentOrDecl, |
| SkipCData, |
| TargetData |
| }; |
| |
| IFX_Stream* m_pStream; |
| int32_t m_iXMLPlaneSize; |
| int32_t m_iCurrentPos; |
| int32_t m_iCurrentNodeNum; |
| int32_t m_iLastNodeNum; |
| int32_t m_iParsedChars; |
| int32_t m_iParsedBytes; |
| FX_WCHAR* m_pBuffer; |
| int32_t m_iBufferChars; |
| FX_BOOL m_bEOS; |
| FX_WCHAR* m_pStart; |
| FX_WCHAR* m_pEnd; |
| FDE_XMLNODE m_CurNode; |
| CFDE_XMLNodeStack m_XMLNodeStack; |
| CFDE_BlockBuffer m_BlockBuffer; |
| int32_t m_iAllocStep; |
| int32_t& m_iDataLength; |
| FX_WCHAR* m_pCurrentBlock; |
| int32_t m_iIndexInBlock; |
| int32_t m_iTextDataLength; |
| FDE_XmlSyntaxResult m_syntaxParserResult; |
| FDE_XmlSyntaxState m_syntaxParserState; |
| FX_WCHAR m_wQuotationMark; |
| int32_t m_iEntityStart; |
| CFX_DWordStack m_SkipStack; |
| FX_WCHAR m_SkipChar; |
| inline void ParseTextChar(FX_WCHAR ch); |
| }; |
| |
| #endif // XFA_FDE_XML_FDE_XML_IMP_H_ |
