77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
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//--------------------------------------------------------------------
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// Microsoft OLE-DB Monarch
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//
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// Copyright 1997 Microsoft Corporation. All Rights Reserved.
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//
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// @doc
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//
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// @module treeutil.h |
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//
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// Contains prototypes for tree manipulation utility functions for OLE-DB trees.
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//
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//
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// @rev 0 | 04-Feb-97 | v-charca | Created
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//
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#ifdef DEBUG
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#include <iostream.h>
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#endif
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// Change a variant to from BSTR to I8 or UI8
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HRESULT PropVariantChangeTypeI64(PROPVARIANT* pvarValue);
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////////// OLE-DB tree manipulation prototypes /////////////
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//Allocate a tree of given kind and type.
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DBCOMMANDTREE * PctAllocNode(DBVALUEKIND wKind,DBCOMMANDOP op = DBOP_DEFAULT);
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// Make a list of dbcommandtree nodes
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//--------------------------------------------------------------------
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// @func Links two DBCOMMANDTREEs together.
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//
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// @rdesc (inline) DBCOMMANDTREE *
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//
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_inline DBCOMMANDTREE * PctLink
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(
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DBCOMMANDTREE *pct1, // @parm IN | 1st node in list
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DBCOMMANDTREE *pct2 // @parm IN | 2nd node in list
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)
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{
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Assert(pct1 != NULL && pct2 != NULL);
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DBCOMMANDTREE* pct = pct1;
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while(pct->pctNextSibling != NULL)
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pct = pct->pctNextSibling;
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pct->pctNextSibling = pct2;
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return pct1;
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}
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DBCOMMANDTREE * PctCreateNode(DBCOMMANDOP op, DBVALUEKIND wKind, DBCOMMANDTREE * pctxpr, ...);
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DBCOMMANDTREE * PctCreateNode(DBCOMMANDOP op, DBCOMMANDTREE * pctxpr, ...);
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DBCOMMANDTREE * PctReverse(DBCOMMANDTREE * pct);
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// Count the number of siblings of a node
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UINT GetNumberOfSiblings(DBCOMMANDTREE *pct);
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// Delete tree
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void DeleteDBQT(DBCOMMANDTREE * pct);
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// Copy a tree.
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HRESULT HrQeTreeCopy(DBCOMMANDTREE **pctDest, const DBCOMMANDTREE *pctSrc);
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void SetDepthAndInclusion( DBCOMMANDTREE* pctInfo, DBCOMMANDTREE * pctScpList );
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// Defined in querylib.lib
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BOOL ParseGuid( WCHAR* pwszGuid, GUID & guid );
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#ifdef DEBUG
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// Print a wide character string
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ostream& operator <<(ostream &osOut, LPWSTR pwszName);
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// Print given tree
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ostream& operator <<(ostream &osOut, DBCOMMANDTREE& qe);
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ostream& operator <<(ostream &osOut, GUID guid);
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ostream& operator <<(ostream &osOut, DBID __RPC_FAR *pdbid);
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#endif
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