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79 lines
1.6 KiB
79 lines
1.6 KiB
//
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// Copyright (c) 1997-2001 Microsoft Corporation, All Rights Reserved
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//
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#ifndef QUERY_H
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#define QUERY_H
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struct StackElement
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{
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int m_iOperator;
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int m_iNumOperandsLeft;
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};
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class Stack
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{
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StackElement m_stack[100];
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int m_iTop;
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static int s_iMax;
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public:
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Stack()
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{
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m_iTop = 0;
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}
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BOOLEAN Push(int iOperator, int iNumOperandsLeft)
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{
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if(m_iTop == s_iMax)
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return FALSE;
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m_stack[m_iTop].m_iOperator = iOperator;
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m_stack[m_iTop].m_iNumOperandsLeft = iNumOperandsLeft;
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m_iTop ++;
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return TRUE;
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}
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BOOLEAN Pop(int *piOperator, int *piNumOperandsLeft)
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{
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if(m_iTop == 0)
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return FALSE;
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m_iTop --;
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*piOperator = m_stack[m_iTop].m_iOperator;
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*piNumOperandsLeft = m_stack[m_iTop].m_iNumOperandsLeft;
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return TRUE;
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}
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};
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class QueryConvertor
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{
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private:
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static const WCHAR wchAND;
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static const WCHAR wchOR;
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static const WCHAR wchNOT;
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static const WCHAR wchEQUAL;
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static const WCHAR wchSTAR;
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static const WCHAR wchLEFT_BRACKET;
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static const WCHAR wchRIGHT_BRACKET;
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static LPCWSTR pszGE;
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static LPCWSTR pszLE;
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// Special characters excluding ( and ) and *
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static const WCHAR wchBACK_SLASH;
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static BOOLEAN TranslateExpression(LPWSTR pszLDAPQuery, int *piOutputIndex,
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int iOperator, LPCWSTR pszPropertyName, VARIANT *pValue);
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static BOOLEAN TranslateValueToLDAP(LPWSTR pszLDAPQuery, int *piOutputIndex, VARIANT *pValue);
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static LPWSTR EscapeStringValue(LPCWSTR pszValue);
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public:
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// This assumes that enough memory has been allocated to the resulting query
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static BOOLEAN ConvertQueryToLDAP(SQL_LEVEL_1_RPN_EXPRESSION *pExp, LPWSTR pszLDAPQuery);
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};
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#endif /* QUERY_H */
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