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133 lines
3.5 KiB
133 lines
3.5 KiB
/********************************************************************
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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pfxml.h
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Abstract:
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A simple XML parser & object model (for read only access to an XML
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file. This is heavily (nearly stolen) based on WSmith's SimpleXML
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stuff that he wrote for the Neptune comments button
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Revision History:
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DerekM created 03/15/00
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********************************************************************/
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#ifndef PFXML_H
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#define PFXML_H
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#include "util.h"
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#include "pfarray.h"
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#include "pfhash.h"
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class CPFXMLParser;
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class CPFXMLNode;
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/////////////////////////////////////////////////////////////////////////////
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// enumerations
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enum EPFXMLNodeType
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{
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xmlntUnknown = 0,
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xmlntElement,
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xmlntText,
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};
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/////////////////////////////////////////////////////////////////////////////
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// CPFXMLDocument
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class CPFXMLDocument : public CPFPrivHeapGenericClassBase
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{
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private:
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// member data
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CPFXMLNode *m_ppfxmlRoot;
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public:
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CPFXMLDocument(void);
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~CPFXMLDocument(void);
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HRESULT get_RootNode(CPFXMLNode **pppfxmlRoot);
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HRESULT put_RootNode(CPFXMLNode *ppfxmlRoot);
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HRESULT ParseFile(LPWSTR wszFile);
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HRESULT ParseBlob(BYTE *pbBlob, DWORD cbBlob);
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HRESULT ParseStream(IStream *pStm, DWORD cbStm);
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HRESULT WriteFile(LPWSTR wszFile);
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};
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/////////////////////////////////////////////////////////////////////////////
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// CPFArrayAttr definition
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class CPFArrayAttr : public CPFArrayBase
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{
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private:
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void DeleteItem(LPVOID pv);
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LPVOID AllocItemCopy(LPVOID pv);
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public:
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HRESULT CopyFrom(CPFArrayAttr *prg)
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{
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return internalCopyFrom(prg);
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}
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};
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/////////////////////////////////////////////////////////////////////////////
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// CPFXMLDocument
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class CPFXMLNode : private CPFPrivHeapGenericClassBase, public IUnknown
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{
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friend class CPFXMLDocument;
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private:
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// memberdata
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CPFArrayUnknown m_rgChildren;
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EPFXMLNodeType m_xmlnt;
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CPFArrayAttr m_rgAttr;
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CComBSTR m_bstrTagData;
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DWORD m_cRef;
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// member functions
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CPFXMLNode(DWORD cRef);
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~CPFXMLNode(void);
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HRESULT Write(HANDLE hFile);
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void Cleanup(void);
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public:
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static CPFXMLNode *CreateInstance(void);
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STDMETHOD(QueryInterface)(REFIID riid, LPVOID *ppv) { return E_NOTIMPL; }
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STDMETHOD_(ULONG, AddRef)(void);
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STDMETHOD_(ULONG, Release)(void);
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EPFXMLNodeType get_NodeType(void) { return m_xmlnt; }
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void put_NodeType(EPFXMLNodeType xmlnt) { m_xmlnt = xmlnt; }
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HRESULT get_Data(BSTR *pbstrData);
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HRESULT put_Data(LPCWSTR wszData, DWORD cch = (DWORD)-1);
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HRESULT append_Data(LPCWSTR wszData, DWORD cch = (DWORD)-1);
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DWORD get_AttributeCount(void) { return m_rgAttr.get_Highest() + 1; }
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HRESULT add_Attribute(LPCWSTR wszName, LPCWSTR wszVal,
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DWORD cchName = (DWORD)-1, DWORD cchVal = (DWORD)-1);
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HRESULT get_Attribute(LPCWSTR wszName, BSTR *pbstrVal);
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HRESULT get_Attribute(DWORD iAttr, BSTR *pbstrVal);
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DWORD get_ChildCount(void) { return m_rgChildren.get_Highest() + 1; }
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HRESULT DeleteAllChildren(void);
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HRESULT append_Child(CPFXMLNode *ppfxml);
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HRESULT append_Children(CPFArrayUnknown &rgNodes);
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HRESULT get_Child(DWORD iChild, CPFXMLNode **pppfxml);
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HRESULT get_MatchingChildElements(LPCWSTR wszTag, CPFArrayUnknown &rgNodes);
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HRESULT get_ChildText(BSTR *pbstrText);
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HRESULT CloneNode(CPFXMLNode **pppfxml, BOOL fWantChildren = TRUE);
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};
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#endif
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