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// 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 _FDE_XML_IMP
#define _FDE_XML_IMP
#define _FDE_BLOCK_BUFFER
#ifdef _FDE_BLOCK_BUFFER
class CFDE_BlockBuffer;
#endif
class CFDE_XMLNode;
class CFDE_XMLInstruction;
class CFDE_XMLElement;
class CFDE_XMLText;
class CFDE_XMLDoc;
class IFDE_XMLParser;
class CFDE_XMLDOMParser;
class CFDE_XMLSAXParser;
class CFDE_XMLSyntaxParser;
class CFDE_XMLNode : public CFX_Target
{
public:
CFDE_XMLNode();
virtual void Release()
{
FDE_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(IFDE_XMLNode::NodeItem eItem) const;
virtual int32_t GetNodeLevel() const;
virtual FX_BOOL InsertNodeItem(IFDE_XMLNode::NodeItem eItem, CFDE_XMLNode *pNode);
virtual CFDE_XMLNode* RemoveNodeItem(IFDE_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()
{
FDE_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 = NULL) 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()
{
FDE_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 = NULL) 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()
{
FDE_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()
{
FDE_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()
{
FDE_Delete this;
}
virtual FX_BOOL LoadXML(IFX_Stream *pXMLStream, int32_t iXMLPlaneSize = 8192, int32_t iTextDataSize = 256, FDE_LPXMLREADERHANDLER pHandler = NULL);
virtual FX_BOOL LoadXML(IFDE_XMLParser *pXMLParser);
virtual int32_t DoLoad(IFX_Pause *pPause = NULL);
virtual void CloseXML();
virtual CFDE_XMLNode* GetRoot() const
{
return m_pRoot;
}
virtual void SaveXML(IFX_Stream *pXMLStream = NULL, FX_BOOL bSaveBOM = TRUE);
virtual void SaveXMLNode(IFX_Stream *pXMLStream, IFDE_XMLNode *pNode);
protected:
IFX_Stream *m_pStream;
int32_t m_iStatus;
CFDE_XMLNode *m_pRoot;
IFDE_XMLSyntaxParser *m_pSyntaxParser;
IFDE_XMLParser *m_pXMLParser;
void Reset(FX_BOOL bInitRoot);
void ReleaseParser();
};
typedef CFX_StackTemplate<CFDE_XMLNode*> CFDE_XMLDOMNodeStack;
class CFDE_XMLDOMParser : public IFDE_XMLParser, public CFX_Target
{
public:
CFDE_XMLDOMParser(CFDE_XMLNode *pRoot, IFDE_XMLSyntaxParser *pParser);
~CFDE_XMLDOMParser();
virtual void Release()
{
FDE_Delete this;
}
virtual int32_t DoParser(IFX_Pause *pPause);
private:
CFDE_XMLNode *m_pRoot;
IFDE_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 IFDE_XMLParser, public CFX_Target
{
public:
CFDE_XMLSAXParser(FDE_LPXMLREADERHANDLER pHandler, IFDE_XMLSyntaxParser *pParser);
~CFDE_XMLSAXParser();
virtual void Release()
{
FDE_Delete this;
}
virtual int32_t DoParser(IFX_Pause *pPause);
private:
void Push(const CFDE_XMLTAG &xmlTag);
void Pop();
FDE_LPXMLREADERHANDLER m_pHandler;
IFDE_XMLSyntaxParser *m_pParser;
CFDE_XMLTagStack m_TagStack;
CFDE_XMLTAG *m_pTagTop;
CFX_WideString m_ws1;
CFX_WideString m_ws2;
};
#ifdef _FDE_BLOCK_BUFFER
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()
{
FDE_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_PtrArray m_BlockArray;
int32_t m_iDataLength;
int32_t m_iBufferSize;
int32_t m_iAllocStep;
int32_t m_iStartPosition;
};
#endif
#define FDE_XMLSYNTAXMODE_Text 0
#define FDE_XMLSYNTAXMODE_Node 1
#define FDE_XMLSYNTAXMODE_Target 2
#define FDE_XMLSYNTAXMODE_Tag 3
#define FDE_XMLSYNTAXMODE_AttriName 4
#define FDE_XMLSYNTAXMODE_AttriEqualSign 5
#define FDE_XMLSYNTAXMODE_AttriQuotation 6
#define FDE_XMLSYNTAXMODE_AttriValue 7
#define FDE_XMLSYNTAXMODE_Entity 8
#define FDE_XMLSYNTAXMODE_EntityDecimal 9
#define FDE_XMLSYNTAXMODE_EntityHex 10
#define FDE_XMLSYNTAXMODE_CloseInstruction 11
#define FDE_XMLSYNTAXMODE_BreakElement 12
#define FDE_XMLSYNTAXMODE_CloseElement 13
#define FDE_XMLSYNTAXMODE_SkipDeclNode 14
#define FDE_XMLSYNTAXMODE_DeclCharData 15
#define FDE_XMLSYNTAXMODE_SkipComment 16
#define FDE_XMLSYNTAXMODE_SkipCommentOrDecl 17
#define FDE_XMLSYNTAXMODE_TargetData 18
class CFDE_XMLSyntaxParser : public IFDE_XMLSyntaxParser, public CFX_Target
{
public:
CFDE_XMLSyntaxParser();
~CFDE_XMLSyntaxParser();
virtual void Release()
{
FDE_Delete this;
}
virtual void Init(IFX_Stream *pStream, int32_t iXMLPlaneSize, int32_t iTextDataSize = 256);
virtual FX_DWORD DoSyntaxParse();
virtual int32_t GetStatus() const;
virtual int32_t GetCurrentPos() const
{
return m_iParsedChars + (m_pStart - m_pBuffer);
}
virtual FX_FILESIZE GetCurrentBinaryPos() const;
virtual int32_t GetCurrentNodeNumber() const
{
return m_iCurrentNodeNum;
}
virtual int32_t GetLastNodeNumber() const
{
return m_iLastNodeNum;
}
#ifdef _FDE_BLOCK_BUFFER
virtual void GetTargetName(CFX_WideString &wsTarget) const
{
m_BlockBuffer.GetTextData(wsTarget, 0, m_iTextDataLength);
}
virtual void GetTagName(CFX_WideString &wsTag) const
{
m_BlockBuffer.GetTextData(wsTag, 0, m_iTextDataLength);
}
virtual void GetAttributeName(CFX_WideString &wsAttriName) const
{
m_BlockBuffer.GetTextData(wsAttriName, 0, m_iTextDataLength);
}
virtual void GetAttributeValue(CFX_WideString &wsAttriValue) const
{
m_BlockBuffer.GetTextData(wsAttriValue, 0, m_iTextDataLength);
}
virtual void GetTextData(CFX_WideString &wsText) const
{
m_BlockBuffer.GetTextData(wsText, 0, m_iTextDataLength);
}
virtual void GetTargetData(CFX_WideString &wsData) const
{
m_BlockBuffer.GetTextData(wsData, 0, m_iTextDataLength);
}
#else
virtual void GetTargetName(CFX_WideString &wsTarget) const
{
GetData(wsTarget);
}
virtual void GetTagName(CFX_WideString &wsTag) const
{
GetData(wsTag);
}
virtual void GetAttributeName(CFX_WideString &wsAttriName) const
{
GetData(wsAttriName);
}
virtual void GetAttributeValue(CFX_WideString &wsAttriValue) const
{
GetData(wsAttriValue);
}
virtual void GetTextData(CFX_WideString &wsText) const
{
GetData(wsText);
}
virtual void GetTargetData(CFX_WideString &wsData) const
{
GetData(wsData);
}
#endif
protected:
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;
#ifdef _FDE_BLOCK_BUFFER
CFDE_BlockBuffer m_BlockBuffer;
int32_t m_iAllocStep;
int32_t& m_iDataLength;
FX_WCHAR* m_pCurrentBlock;
int32_t m_iIndexInBlock;
#else
int32_t m_iTextDataSize;
FX_WCHAR* m_pwsTextData;
int32_t m_iDataPos;
#endif
int32_t m_iTextDataLength;
FX_DWORD m_dwStatus;
FX_DWORD m_dwMode;
FX_WCHAR m_wQuotationMark;
int32_t m_iEntityStart;
CFX_DWordStack m_SkipStack;
FX_WCHAR m_SkipChar;
inline void ParseTextChar(FX_WCHAR ch);
#ifndef _FDE_BLOCK_BUFFER
void ReallocTextDataBuffer();
void GetData(CFX_WideString &wsData) const;
#endif
};
#endif
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