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#ifndef __XMLUTIL_
#define __XMLUTIL_
inline BOOL CompareNoCase(LPCWSTR lpsz1, LPCWSTR lpsz2){ if ((lpsz1 == NULL) && (lpsz2 == NULL)) return TRUE;
if ((lpsz1 == NULL) || (lpsz2 == NULL)) return FALSE;
return (wcscmp(lpsz1, lpsz2) == 0);}
inline BOOL CompareXMLTags(LPCWSTR lpsz1, LPCWSTR lpsz2){ return CompareNoCase(lpsz1, lpsz2);}
// helpers for encoding and decoding of C++
// data structures to and from XML PCDATA fields
HRESULT EncodeBlobToBSTR(BYTE* pBlob, ULONG nBytes, BSTR* pBstr);HRESULT DecodeBSTRtoBlob(BSTR bstr, BYTE** ppByte, ULONG* pnBytes);HRESULT DecodeBSTRtoStruct(BSTR bstr, BYTE* pByte, ULONG nBytes);
HRESULT EncodeBoolToBSTR(BOOL b, BSTR* pBstr);HRESULT DecodeBSTRtoBool(BSTR bstr, BOOL* pb);//HRESULT EncodeIntToBSTR(int n, BSTR* pBstr);
//HRESULT DecodeIntToBool(BSTR bstr, int* pN);
BOOL XMLIsNodeName(IXMLDOMNode* pXDN, LPCWSTR lpszName);
// helper functions to read XML nodes and convert to C++ data
HRESULT XML_GetNodeText(IXMLDOMNode* pXDN, BSTR* pBstr);HRESULT XML_GetNodeStruct(IXMLDOMNode* pXDN, BYTE* pByte, ULONG nBytes);HRESULT XML_GetNodeBlob(IXMLDOMNode* pXDN, BYTE** ppByte, ULONG* pnBytes);HRESULT XML_GetNodeBOOL(IXMLDOMNode* pXDN, BOOL* pb);HRESULT XML_GetNodeDWORD(IXMLDOMNode* pXDN, DWORD* pdw);
HRESULT XML_FindSubtreeNode(IXMLDOMNode* pXMLCurrentRootNode, LPCWSTR lpszNodeTag, IXMLDOMNode** ppXMLNode);
// debugging helper function
void XML_PrintTreeRaw(IXMLDOMNode* pXDN, int nLevel);void PrintIdentation(int iLevel);
///////////////////////////////////////////////////////////////////
HRESULT XML_CreateDOMNode(IXMLDOMDocument* pDoc, DOMNodeType type, LPCWSTR lpszName, IXMLDOMNode** ppXMLDOMNode);
HRESULT XML_AppendChildDOMNode(IXMLDOMNode* pXMLContainerNode, IXMLDOMNode* pXMLChildNode);
// helper functions to write C++ data to XML nodes
HRESULT XML_CreateTextDataNode(IXMLDOMDocument* pXMLDoc, LPCWSTR lpszNodeTag, LPCWSTR lpszNodeData, IXMLDOMNode** ppNode);
HRESULT XML_CreateStructDataNode(IXMLDOMDocument* pXMLDoc, LPCWSTR lpszNodeTag, BYTE* pByte, ULONG nBytes, IXMLDOMNode** ppNode);
HRESULT XML_CreateBOOLDataNode(IXMLDOMDocument* pXMLDoc, LPCWSTR lpszNodeTag, BOOL b, IXMLDOMNode** ppNode);
HRESULT XML_CreateDWORDDataNode(IXMLDOMDocument* pXMLDoc, LPCWSTR lpszNodeTag, DWORD dwVal, IXMLDOMNode** ppNode);
// helpers to append a node to an XML document
HRESULT XML_AppendTextDataNode(IXMLDOMDocument* pXMLDoc, IXMLDOMNode* pXMLNode, LPCWSTR lpszNodeTag, LPCWSTR lpszNodeData);
HRESULT XML_AppendBOOLDataNode(IXMLDOMDocument* pXMLDoc, IXMLDOMNode* pXMLNode, LPCWSTR lpszNodeTag, BOOL b);
HRESULT XML_AppendStructDataNode(IXMLDOMDocument* pXMLDoc, IXMLDOMNode* pXMLNode, LPCWSTR lpszNodeTag, BYTE* pByte, ULONG nBytes);
HRESULT XML_AppendDWORDDataNode(IXMLDOMDocument* pXMLDoc, IXMLDOMNode* pXMLNode, LPCWSTR lpszNodeTag, DWORD dwVal);
#endif // __XMLUTIL_
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