Source code of Windows XP (NT5)
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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (c) Microsoft Corporation, 1991-1998.
//
// File: QPARSE.HXX
//
// Contents: Query parser
//
// Classes: CQParse -- query parser
//
// History: 19-Sep-91 BartoszM Implemented.
// 19-Jan-93 KyleP Expression --> Restriction
//
//----------------------------------------------------------------------------
#pragma once
class CLangList;
class CRestriction;
class CPidMapper;
//+---------------------------------------------------------------------------
//
// Class: CQParse
//
// Purpose: Parse Query
//
// Interface:
//
// History: 19-Sep-91 BartoszM Created
// 15-Apr-92 AmyA Changed ConvertOccNode to
// ConvertPhraseNode and added
// ConvertProxNode
// 22-Apr-92 AmyA Added ConvertAndNotNode
// 15-Jul-92 MikeHew Extracted converter class
// Eliminated _pExp
// 11-Sep-92 AmyA Added GetStatus
//
//----------------------------------------------------------------------------
class PKeyRepository;
class CQParse
{
public:
CQParse ( CPidMapper & pidmap, CLangList & langList );
CRestriction* Parse ( CRestriction* pRst );
ULONG GetStatus () { return _flags; }
private:
CRestriction* Leaf ( CRestriction* pRst );
void AddLpwstrHelper( CPropertyRestriction * prstProp,
CInternalPropertyRestriction * prstIProp );
void AddLpwstrVectorHelper( CPropertyRestriction * prstProp,
CInternalPropertyRestriction * prstIProp );
void AddLpstrHelper( CPropertyRestriction * prstProp,
CInternalPropertyRestriction * prstIProp );
ULONG _flags;
CPidMapper & _pidmap;
CLangList & _langList;
LCID _lcidSystemDefault; // Default locale of system
};
enum BreakPhraseStatus
{
BP_OK, // No noise
BP_INVALID_PROPERTY, // Couldn't break text
BP_NOISE // Some noise in phrase
};
BreakPhraseStatus BreakPhrase( WCHAR const * phrase,
const CFullPropSpec & ps,
LCID lcid,
ULONG fuzzy,
PKeyRepository& keyRep,
IPhraseSink *pPhraseSink,
CPidMapper & pidMap,
CLangList & langList );
BreakPhraseStatus BreakPhrase( char const * phrase,
const CFullPropSpec & ps,
LCID lcid,
ULONG fuzzy,
PKeyRepository& keyRep,
IPhraseSink *pPhraseSink,
CPidMapper & pidMap,
CLangList & langList );