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167 lines
5.0 KiB
167 lines
5.0 KiB
//-----------------------------------------------------------------------------
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//
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// Copyright (C) Microsoft Corporation, 1996 - 2000.
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//
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// File: ixsinfo.hxx
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//
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// Author:
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// 1/24 benholz
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//
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// Description:
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// This files describes the query information that is passed from the
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// browser.
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//
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// History:
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// 4/22/96 benholz added query form parsing; removed old stuff
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// 7/11/96 bobp added sort/group/match null
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// 3/19/97 AlanW modified for IXSSO
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//
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//-----------------------------------------------------------------------------
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#pragma once
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// Operator for connecting Cn On Qn terms
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#define IMPLIED_QUERY_TERM_OPERATOR L" &"
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//-----------------------------------------------------------------------------
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// Stucture Info
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//-----------------------------------------------------------------------------
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// Table of argument strings for http query from browser
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typedef enum _QUERYTAGENUM {
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qtUnknownTag, //signal an error for unknown tags
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qtQuery,
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qtColumn,
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qtOperator,
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qtCatalog,
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qtDialect,
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qtQueryFullText,
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qtStartHit,
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qtMaxHits,
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qtSort,
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qtSortDown,
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qtGroup,
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qtGroupDown,
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qtAllowEnumeration,
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qtOptimizeFor,
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qtMaxTag,
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qtFirstRows //highest enum value
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} QUERYTAGTYPE;
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typedef struct _QUERYTAGENTRY {
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DWORD dwTagName;
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QUERYTAGTYPE qtQueryTagType;
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} QUERYTAGENTRY;
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const QUERYTAGENTRY aQueryTagTable[] = {
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'Q', qtQuery,
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'C', qtColumn,
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'O', qtOperator,
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'QU', qtQueryFullText,
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'SO', qtSort,
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'SD', qtSortDown,
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'GR', qtGroup,
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'GD', qtGroupDown,
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'MH', qtMaxHits,
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'CT', qtCatalog,
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'DI', qtDialect,
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'SH', qtStartHit,
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'AE', qtAllowEnumeration,
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'OP', qtOptimizeFor,
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// 'MT', qtMaxTime,
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// 'DS', qtDateStart,
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// 'DE', qtDateEnd,
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// 'NL', qtMatchNull,
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// 'IM', qtIndexSequenceMarker,
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'FR', qtFirstRows,
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};
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const unsigned cQueryTagTable = sizeof aQueryTagTable / sizeof aQueryTagTable[0];
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class CQueryInfo
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{
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public:
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CQueryInfo() :
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_xpQuery(0),
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_xpSort(0),
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_xpGroup(0),
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_xpCatalog(0),
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_xpDialect(0),
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_aQueryCol(10),
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_aQueryOp(10),
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_aQueryVal(10),
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_aStartHit(0),
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_maxHits(0),
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_cFirstRows(0),
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_fAllowEnumeration(FALSE),
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_fSetAllowEnumeration(FALSE),
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_dwOptimizeFor(eOptHitCount) { }
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~CQueryInfo() { }
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void SetQueryParameter( WCHAR const * pwszTag,
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XPtrST<WCHAR> & pwszValue );
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void MakeFinalQueryString();
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// Private member access functions
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WCHAR * GetQuery() { return _xpQuery.GetPointer(); }
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WCHAR * GetSort() { return _xpSort.GetPointer(); }
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WCHAR * GetGroup() { return _xpGroup.GetPointer(); }
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WCHAR * GetCatalog() { return _xpCatalog.GetPointer(); }
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WCHAR * GetDialect() { return _xpDialect.GetPointer(); }
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CDynArrayInPlace<LONG> & GetStartHit() { return _aStartHit; }
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LONG GetMaxHits() { return _maxHits; }
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LONG GetFirstRows() { return _cFirstRows; }
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BOOL WasAllowEnumSet() { return _fSetAllowEnumeration; }
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BOOL GetAllowEnum() { return _fAllowEnumeration; }
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DWORD GetOptimizeFor() { return _dwOptimizeFor; }
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WCHAR * AcquireQuery() { return _xpQuery.Acquire(); }
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WCHAR * AcquireSort() { return _xpSort.Acquire(); }
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WCHAR * AcquireGroup() { return _xpGroup.Acquire(); }
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WCHAR * AcquireCatalog() { return _xpCatalog.Acquire(); }
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WCHAR * AcquireDialect() { return _xpDialect.Acquire(); }
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private:
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void AddToParam( XPtrST<WCHAR> & xpParam,
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XPtrST<WCHAR> & pwszVal,
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WCHAR const * pwszPre = 0,
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WCHAR const * pwszPost = 0 );
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void SetBuiltupQueryTerm( CDynArray<WCHAR> & apString,
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unsigned iTerm,
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XPtrST<WCHAR> & pwszValue );
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//
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// settable string values
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//
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XPtrST<WCHAR> _xpQuery;
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XPtrST<WCHAR> _xpSort;
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XPtrST<WCHAR> _xpGroup;
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XPtrST<WCHAR> _xpCatalog;
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XPtrST<WCHAR> _xpDialect;
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//
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// Strings for built-up queries.
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//
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CDynArray<WCHAR> _aQueryCol; //
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CDynArray<WCHAR> _aQueryOp; //
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CDynArray<WCHAR> _aQueryVal; //
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CDynArrayInPlace<LONG> _aStartHit; //
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LONG _maxHits;
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LONG _cFirstRows;
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BOOL _fAllowEnumeration;
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BOOL _fSetAllowEnumeration;
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DWORD _dwOptimizeFor;
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};
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