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1539 lines
42 KiB
1539 lines
42 KiB
//////////////////////////////////////////////////////////////////////
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// DbQuery.cpp: implementation of the CDbQuery class.
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//
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// Created by JOEM 03-2000
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// Copyright (C) 2000 Microsoft Corporation
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// All Rights Reserved
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//
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/////////////////////////////////////////////////////// JOEM 3-2000 //
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#include "stdafx.h"
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#include "DbQuery.h"
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#include "PromptDb.h"
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#include <LIMITS>
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//////////////////////////////////////////////////////////////////////
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// CEquivCost
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//
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CEquivCost::CEquivCost()
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{
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text = NULL;
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entry = NULL;
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fTagMatch = true;
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}
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CEquivCost::CEquivCost(const CEquivCost& old)
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{
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if ( text )
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{
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text = wcsdup(old.text);
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}
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else
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{
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text = NULL;
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}
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if ( entry )
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{
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entry = new CPromptEntry(*old.entry);
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}
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else
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{
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entry = NULL;
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}
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cost = old.cost;
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whereFrom = old.whereFrom;
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fTagMatch = old.fTagMatch;
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}
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CEquivCost::~CEquivCost()
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{
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if ( text )
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{
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free(text);
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text = NULL;
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}
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if ( entry )
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{
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entry->Release();
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entry = NULL;
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}
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}
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//////////////////////////////////////////////////////////////////////
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// CCandidate
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//
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CCandidate::CCandidate()
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{
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equivList = NULL;
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parent = NULL;
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firstPos = 0;
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lastPos = 0;
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candMax = 0;
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candNum = 0;
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iQueryNum = 0;
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}
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CCandidate::CCandidate(const CCandidate& old)
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{
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CEquivCost* equiv = NULL;
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firstPos = old.firstPos;
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lastPos = old.lastPos;
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candMax = old.candMax;
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candNum = old.candNum;
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iQueryNum = old.iQueryNum;
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parent = old.parent;
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if ( old.equivList && old.equivList->GetSize() )
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{
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equivList = new CSPArray<CEquivCost*,CEquivCost*>;
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for (USHORT i=0; i<old.equivList->GetSize(); i++)
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{
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equiv = new CEquivCost( *(*old.equivList)[i] );
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equivList->Add(equiv);
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}
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}
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}
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CCandidate::~CCandidate()
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{
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USHORT i = 0;
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if ( equivList )
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{
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for ( i=0; i<equivList->GetSize(); i++ )
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{
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if ( (*equivList)[i] )
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{
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delete (*equivList)[i];
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(*equivList)[i] = NULL;
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}
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}
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equivList->RemoveAll();
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delete equivList;
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}
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parent = NULL;
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}
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//////////////////////////////////////////////////////////////////////
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// CDbQuery
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//
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CDbQuery::CDbQuery()
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{
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m_pIDb = NULL;
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m_pPhoneContext = NULL;
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m_papQueries = NULL;
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m_pOutputSite = NULL;
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m_iCurrentQuery = 0;
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m_fAbort = false;
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}
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CDbQuery::~CDbQuery()
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{
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USHORT i = 0;
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if ( m_pIDb )
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{
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m_pIDb->Release();
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m_pIDb = NULL;
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}
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// These are just pointers set in CDbQuery::Init and CDbQuery::Query (deallocated elsewhere)
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m_pPhoneContext = NULL;
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m_papQueries = NULL;
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// To be safe, I'll keep this list deletion here.
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// However, it is generally deleted when CDbQuery::Query calls CDbQuery::Reset
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m_apCandEnd.RemoveAll();
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for ( i=0; i<m_apCandidates.GetSize(); i++ )
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{
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if ( m_apCandidates[i] )
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{
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delete m_apCandidates[i];
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m_apCandidates[i] = NULL;
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}
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}
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m_apCandidates.RemoveAll();
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}
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//////////////////////////////////////////////////////////////////////
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// CDbQuery::Init
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//
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//
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/////////////////////////////////////////////////////// JOEM 3-2000 //
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HRESULT CDbQuery::Init(IPromptDb *pIDb, CPhoneContext *pPhoneContext)
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{
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SPDBG_FUNC( "CDbQuery::Init" );
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HRESULT hr = S_OK;
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SPDBG_ASSERT(pIDb);
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SPDBG_ASSERT(pPhoneContext);
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m_pIDb = pIDb;
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m_pIDb->AddRef();
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m_pPhoneContext = pPhoneContext;
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SPDBG_REPORT_ON_FAIL( hr );
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return hr;
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}
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//////////////////////////////////////////////////////////////////////
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// CDbQuery::Reset
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//
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//
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/////////////////////////////////////////////////////// JOEM 3-2000 //
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HRESULT CDbQuery::Reset()
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{
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SPDBG_FUNC( "CDbQuery::Reset" );
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USHORT i = 0;
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m_iCurrentQuery = 0;
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m_papQueries = NULL;
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m_apCandEnd.RemoveAll();
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for ( i=0; i<m_apCandidates.GetSize(); i++ )
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{
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if ( m_apCandidates[i] )
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{
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delete m_apCandidates[i];
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m_apCandidates[i] = NULL;
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}
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}
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m_apCandidates.RemoveAll();
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return S_OK;
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}
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//////////////////////////////////////////////////////////////////////
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// CDbQuery::Query
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//
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// Takes a query list, created in CPromptEng::BuildQueryList, and
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// figures out which can be handled with prompts, and which must
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// go to TTS. Computes transition costs between candidate items,
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// and Backtracks the list selecting the minimum cost items.
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//
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/////////////////////////////////////////////////////// JOEM 3-2000 //
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HRESULT CDbQuery::Query(CSPArray<CQuery*,CQuery*>* papQueries, double* pdCost,
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ISpTTSEngineSite* pOutputSite, bool *fAbort)
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{
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SPDBG_FUNC( "CDbQuery::Query" );
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HRESULT hr = S_OK;
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USHORT i = 0;
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USHORT j = 0;
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USHORT unIdSize = 0;
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const WCHAR* pszId = NULL;
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WCHAR* pszText = NULL;
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CQuery* pQuery = NULL;
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SPDBG_ASSERT(papQueries);
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SPDBG_ASSERT(pOutputSite);
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m_pOutputSite = pOutputSite;
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m_papQueries = papQueries;
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m_fAbort = false;
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for ( i=0; SUCCEEDED(hr) && i < m_papQueries->GetSize(); i++ )
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{
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if ( m_pOutputSite->GetActions() & SPVES_ABORT )
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{
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m_fAbort = true;
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break;
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}
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if ( SUCCEEDED(hr) )
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{
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pQuery = (*m_papQueries)[i];
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m_iCurrentQuery = i;
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if ( !pQuery->m_fSpeak )
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{
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continue;
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}
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}
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if ( SUCCEEDED(hr) )
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{
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if ( pQuery->m_fXML )
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{
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// If the database needs to be changed, do it now.
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if ( pQuery->m_unDbAction )
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{
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switch ( pQuery->m_unDbAction )
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{
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case DB_ADD:
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if ( !pQuery->m_pszDbPath )
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{
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hr = E_INVALIDARG;
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}
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if ( SUCCEEDED(hr) )
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{
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hr = m_pIDb->AddDb(pQuery->m_pszDbName, pQuery->m_pszDbPath, pQuery->m_pszDbIdSet, DB_LOAD);
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}
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if ( SUCCEEDED(hr) )
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{
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free( pQuery->m_pszDbName );
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pQuery->m_pszDbName = NULL;
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}
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break;
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case DB_ACTIVATE:
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if ( !pQuery->m_pszDbName )
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{
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hr = E_INVALIDARG;
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}
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if ( SUCCEEDED(hr) )
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{
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hr = m_pIDb->ActivateDbName(pQuery->m_pszDbName);
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}
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break;
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case DB_UNLOAD:
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hr = m_pIDb->UnloadDb(pQuery->m_pszDbName);
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break;
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default:
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break;
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}
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continue;
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} // if ( pQuery->m_unDbAction )
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// ID search
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else if ( pQuery->m_pszId )
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{
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hr = SearchId( pQuery->m_pszId );
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continue;
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}
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else
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{
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// Any XML besides DATABASE or ID can be ignored here.
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if ( pQuery->m_fXML == UNKNOWN_XML )
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{
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pQuery->m_fTTS = true;
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}
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continue;
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}
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} // if ( pQuery->m_fXML )
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} // if ( SUCCEEDED(hr) )
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// For Text, search in the Db first, then do SearchBackup (for TTS costs)
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if ( SUCCEEDED (hr) )
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{
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if ( !pQuery->m_fTTS )
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{
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hr = SearchText( pQuery->m_pszExpandedText, pQuery->m_paTagList );
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if ( FAILED(hr) )
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{
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pQuery->m_afEntryMatch.Add(false);
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if ( pQuery->m_fFragType )
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{
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hr = RemoveLocalQueries(i);
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}
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}
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}
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// SearchBackup for TTS items, or if SearchText failed.
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if ( pQuery->m_fSpeak && ( pQuery->m_fTTS || FAILED(hr) ) )
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{
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pszText = new WCHAR[pQuery->m_pTextFrag->ulTextLen + 1];
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if ( pszText )
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{
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hr = S_OK;
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}
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else
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{
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hr = E_OUTOFMEMORY;
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}
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if ( SUCCEEDED(hr) )
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{
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wcsncpy(pszText, pQuery->m_pTextFrag->pTextStart, pQuery->m_pTextFrag->ulTextLen);
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pszText[pQuery->m_pTextFrag->ulTextLen] = L'\0';
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hr = SearchBackup( pszText );
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delete pszText;
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pszText = NULL;
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}
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if ( SUCCEEDED(hr) )
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{
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pQuery->m_fTTS = true;
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pQuery->m_afEntryMatch.Add(true);
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}
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}
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}
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} // for ( i=0; i < m_papQueries->GetSize(); i++ )
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// Backtrack, selecting the search items with min. cost
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if ( SUCCEEDED(hr) && !m_fAbort )
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{
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hr = Backtrack( pdCost );
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}
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Reset();
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*fAbort = m_fAbort;
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SPDBG_REPORT_ON_FAIL( hr );
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return hr;
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}
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//////////////////////////////////////////////////////////////////////
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// CDbQuery::SearchId
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//
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// Checks the Db for specific Ids, adds them to the candidate list
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// for backtracking later (in CDbQuery::Query).
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//
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/////////////////////////////////////////////////////// JOEM 3-2000 //
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HRESULT CDbQuery::SearchId(const WCHAR* pszId)
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{
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SPDBG_FUNC( "CDbQuery::SearchId" );
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HRESULT hr = S_OK;
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CCandidate* newCand = NULL;
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IPromptEntry* pIPE = NULL;
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USHORT i = 0;
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SPDBG_ASSERT( pszId );
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hr = m_pIDb->FindEntry(pszId, &pIPE);
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if ( SUCCEEDED(hr) )
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{
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newCand = new CCandidate;
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if ( !newCand )
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{
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hr = E_OUTOFMEMORY;
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}
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if ( SUCCEEDED(hr) )
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{
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newCand->firstPos = 0;
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newCand->lastPos = 0;
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newCand->candMax = 1;
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newCand->candNum = 0;
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newCand->parent = NULL;
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newCand->iQueryNum = m_iCurrentQuery;
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hr = ComputeCostsId (newCand, pIPE);
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}
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if ( SUCCEEDED(hr) )
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{
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m_apCandidates.Add(newCand);
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m_apCandEnd.RemoveAll();
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m_apCandEnd.Add(newCand);
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}
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if ( FAILED(hr) && newCand )
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{
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delete newCand;
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newCand = NULL;
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}
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pIPE->Release();
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}
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SPDBG_REPORT_ON_FAIL( hr );
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return hr;
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}
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//////////////////////////////////////////////////////////////////////
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// CDbQuery::SearchText
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//
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// Searches the Db for text. If found, adds the items (with computed
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// transition costs) to the candidate list for backtracking later
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// (in CDbQuery::Query).
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//
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/////////////////////////////////////////////////////// JOEM 3-2000 //
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HRESULT CDbQuery::SearchText(WCHAR *pszText, const CSPArray<CDynStr,CDynStr>* tags)
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{
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SPDBG_FUNC( "CDbQuery::SearchText" );
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HRESULT hr = S_OK;
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WCHAR** wordList = NULL;
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USHORT wordCount = 0;
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int i = 0; // THIS MUST BE SIGNED
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int j = 0;
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int k = 0;
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bool* pfSearch = NULL;
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CSPArray<CCandidate*,CCandidate*>* activeCand;
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CSPArray<CCandidate*,CCandidate*>* tmpCandEnd;
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CCandidate* newCand = NULL;
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hr = SplitWords (pszText, &wordList, &wordCount);
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if ( SUCCEEDED(hr) )
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{
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hr = RemovePunctuation(wordList, &wordCount);
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}
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if ( wordCount <= 0 )
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{
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return hr;
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}
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// These flags turn on the searches that start with word position i
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// A search is later turned on if a previous search ended at i-1.
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pfSearch = new bool[wordCount];
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if ( !pfSearch )
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{
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hr = E_OUTOFMEMORY;
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}
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else
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{
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pfSearch[0] = true; // always do the first search
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for ( i=1; i<wordCount; i++ )
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{
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pfSearch[i] = false;
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}
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}
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// Initialize stack decoder
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if ( SUCCEEDED(hr) )
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{
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activeCand = new CSPArray<CCandidate*,CCandidate*>;
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if ( !activeCand )
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{
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hr = E_OUTOFMEMORY;
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}
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}
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|
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// Get the active candidate list from previous search, if any.
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if ( SUCCEEDED(hr) )
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{
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// Any previous candidates?
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if ( m_apCandEnd.GetSize() == 0 )
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{
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// No, then start a new cand list from scratch.
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newCand = new CCandidate;
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if ( !newCand )
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{
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hr = E_OUTOFMEMORY;
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}
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if ( SUCCEEDED(hr) )
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{
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newCand->equivList = NULL; // the list of IDs that exist for this text
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newCand->firstPos = 0; // the word pos where this cand starts
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newCand->lastPos = -1; // the last word pos for this candidate (-1 initially)
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newCand->candMax = wordCount; // the max number of cands for this string
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newCand->candNum = 0; // the number of cands for this path
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newCand->parent = NULL;
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newCand->iQueryNum = m_iCurrentQuery; // the query number where this cand goes when backtracking
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m_apCandidates.Add(newCand);
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activeCand->Add(newCand);
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}
|
|
}
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else
|
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{
|
|
// Yes, then get the current candEnds and put them on the activeCand list
|
|
CCandidate* tmp = NULL;
|
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|
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for ( i = m_apCandEnd.GetUpperBound(); i >= 0; i--)
|
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{
|
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tmp = m_apCandEnd[i];
|
|
if ( !tmp )
|
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{
|
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hr = E_UNEXPECTED;
|
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}
|
|
|
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if ( SUCCEEDED(hr) )
|
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{
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tmp->firstPos = 0;
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tmp->lastPos = -1;
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tmp->candMax = wordCount;
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tmp->candNum = 0;
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activeCand->Add(tmp);
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}
|
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}
|
|
} // else
|
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} // if ( SUCCEEDED(hr)
|
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|
|
// initialize a temporary candEnd list.
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
tmpCandEnd = new CSPArray<CCandidate*,CCandidate*>;
|
|
if ( !tmpCandEnd )
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
}
|
|
|
|
|
|
// BEGIN THE SEARCH
|
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|
|
// For each word position (i), search to the end, which is (wordcount - i) searches.
|
|
// e.g., for "A B C":
|
|
// when i==0, search "A", "A B", "A B C"
|
|
// when i==1, search "B", "B C"
|
|
// when i==2, search "C"
|
|
|
|
// For each successful search, compute the cost from the previous candEnds, and
|
|
// for each ID returned by the search.
|
|
// For each ID, keep only the cheapest path. Discard the rest.
|
|
for ( i=0; SUCCEEDED(hr) && i<wordCount; i++ )
|
|
{
|
|
WCHAR* tmpStr = NULL;
|
|
|
|
// Only search from this position if a prev. candidate ended at i-1
|
|
if ( !pfSearch[i] )
|
|
{
|
|
continue;
|
|
}
|
|
|
|
// each search starts at position i, and has (wordCount - i) searches total.
|
|
for ( j=i; SUCCEEDED(hr) && j<wordCount; j++ )
|
|
{
|
|
// keep going?
|
|
if ( m_pOutputSite->GetActions() & SPVES_ABORT )
|
|
{
|
|
m_fAbort = true;
|
|
break;
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
hr = AssembleText( i, j, wordList, &tmpStr );
|
|
}
|
|
|
|
// Then, search for it
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
HRESULT hrSearch = S_OK;
|
|
USHORT idCount = 0;
|
|
//OutputDebugStringW ( L"Searching for: " );
|
|
//OutputDebugStringW (tmpStr);
|
|
//OutputDebugStringW ( L"\n" );
|
|
|
|
hrSearch = m_pIDb->SearchDb(tmpStr, &idCount); // get a count of the id's to retrieve for this text
|
|
|
|
// If the search succeeds, retrieve each ID for this text.
|
|
if ( SUCCEEDED(hrSearch) )
|
|
{
|
|
const WCHAR* pszId = NULL;
|
|
CSPArray<CDynStr,CDynStr> idList;
|
|
|
|
for ( k=0; k<idCount; k++ )
|
|
{
|
|
hr = m_pIDb->RetrieveSearchItem( (USHORT) k, &pszId);
|
|
if ( SUCCEEDED(hr) && pszId )
|
|
{
|
|
idList.Add(pszId);
|
|
pszId = NULL;
|
|
}
|
|
}
|
|
|
|
if ( k == idCount )
|
|
{
|
|
if ( j < wordCount-1 ) // if this is not the end,
|
|
{
|
|
pfSearch[j+1] = true; // activate search for remaining items
|
|
}
|
|
//OutputDebugStringW ( L"FOUND!\n" );
|
|
}
|
|
|
|
|
|
double dMin = DBL_MAX;
|
|
double dCand = 0.0;
|
|
CCandidate* bestCandidate = NULL;
|
|
CCandidate* current = NULL;
|
|
|
|
// compute costs from each activeCand that ends where this starts
|
|
for ( k=0; SUCCEEDED(hr) && k<activeCand->GetSize(); k++ )
|
|
{
|
|
// keep going?
|
|
if ( m_pOutputSite->GetActions() & SPVES_ABORT )
|
|
{
|
|
m_fAbort = true;
|
|
break;
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
current = (*activeCand)[k];
|
|
if ( current->lastPos != i-1 ) // can the new cand attach to this one?
|
|
{
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// make a new temporary candidate
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
newCand = new CCandidate;
|
|
if ( !newCand )
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
newCand->equivList = NULL;
|
|
newCand->firstPos = i; // starting search position
|
|
newCand->lastPos = j; //+1; // last word number
|
|
newCand->candMax = wordCount - j;
|
|
newCand->candNum = 0;
|
|
newCand->parent = current;
|
|
newCand->iQueryNum = m_iCurrentQuery;
|
|
}
|
|
|
|
hr = ComputeCosts(current, newCand, tags, &idList, AS_ENTRY, &dCand);
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
// keep the best, delete the rest.
|
|
if ( dCand < dMin )
|
|
{
|
|
delete bestCandidate;
|
|
bestCandidate = newCand;
|
|
dMin = dCand;
|
|
}
|
|
else
|
|
{
|
|
delete newCand;
|
|
newCand = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( SUCCEEDED (hr) && !m_fAbort )
|
|
{
|
|
if ( j == wordCount-1 ) // complete candidate
|
|
{
|
|
tmpCandEnd->Add(bestCandidate);
|
|
}
|
|
else
|
|
{
|
|
activeCand->Add(bestCandidate); // save it so we can search for the rest.
|
|
}
|
|
m_apCandidates.Add(bestCandidate);
|
|
}
|
|
bestCandidate = NULL;
|
|
for ( k=0; k<idList.GetSize(); k++ )
|
|
{
|
|
idList[k].dstr.Clear();
|
|
}
|
|
idList.RemoveAll();
|
|
|
|
} // if ( SUCCEEDED(hrSearch) )
|
|
|
|
// reset the search string
|
|
if ( tmpStr )
|
|
{
|
|
delete [] tmpStr;
|
|
tmpStr = NULL;
|
|
}
|
|
|
|
} // if ( SUCCEEDED(hr) )
|
|
} // for ( j=i; SUCCEEDED(hr) && j<wordCount; j++ )
|
|
|
|
if ( SUCCEEDED(hr) && !m_fAbort )
|
|
{
|
|
// remove all activeCands with lastPos < i (we're done with searches that start with i)
|
|
for ( j=activeCand->GetUpperBound(); j>=0; j-- )
|
|
{
|
|
CCandidate* temp = (*activeCand)[j];
|
|
if ( temp->lastPos < i )
|
|
{
|
|
activeCand->RemoveAt( j ); // remove it.
|
|
}
|
|
temp = NULL;
|
|
}
|
|
}
|
|
|
|
} // for ( i=0; SUCCEEDED(hr) && i<wordCount; i++ )
|
|
|
|
if ( SUCCEEDED(hr) && !m_fAbort )
|
|
{
|
|
if ( !tmpCandEnd->GetSize() )
|
|
{
|
|
hr = E_FAIL;
|
|
}
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) && !m_fAbort )
|
|
{
|
|
CCandidate* saveCand = NULL;
|
|
m_apCandEnd.RemoveAll();
|
|
|
|
while ( tmpCandEnd->GetSize() )
|
|
{
|
|
saveCand = (*tmpCandEnd)[tmpCandEnd->GetUpperBound()];
|
|
tmpCandEnd->RemoveAt( tmpCandEnd->GetUpperBound() );
|
|
m_apCandEnd.Add(saveCand);
|
|
}
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) && !m_fAbort )
|
|
{
|
|
// now these should be empty.
|
|
SPDBG_ASSERT( !tmpCandEnd->GetSize() );
|
|
SPDBG_ASSERT( !activeCand->GetSize() );
|
|
}
|
|
|
|
if ( tmpCandEnd )
|
|
{
|
|
delete tmpCandEnd;
|
|
}
|
|
if ( activeCand )
|
|
{
|
|
delete activeCand;
|
|
}
|
|
if ( wordList )
|
|
{
|
|
free (wordList);
|
|
}
|
|
if ( pfSearch )
|
|
{
|
|
delete [] pfSearch;
|
|
pfSearch = NULL;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
// CDbQuery::SearchBackup
|
|
//
|
|
// Computes costs for a TTS item, adds it to candidate list for
|
|
// backtracking (in CDbQuery::Query).
|
|
//
|
|
/////////////////////////////////////////////////////// JOEM 3-2000 //
|
|
HRESULT CDbQuery::SearchBackup(const WCHAR *pszText)
|
|
{
|
|
SPDBG_FUNC( "CDbQuery::SearchBackup" );
|
|
HRESULT hr = S_OK;
|
|
CCandidate* newCand = NULL;
|
|
USHORT i = 0;
|
|
|
|
newCand = new CCandidate;
|
|
if ( !newCand )
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
newCand->firstPos = 0;
|
|
newCand->lastPos = 0;
|
|
newCand->candMax = 1;
|
|
newCand->candNum = 0;
|
|
newCand->parent = NULL;
|
|
newCand->iQueryNum = m_iCurrentQuery;
|
|
|
|
hr = ComputeCostsText (newCand, pszText);
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
m_apCandidates.Add(newCand);
|
|
m_apCandEnd.RemoveAll();
|
|
m_apCandEnd.Add(newCand);
|
|
}
|
|
|
|
SPDBG_REPORT_ON_FAIL( hr );
|
|
return hr;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
// CDbQuery::Backtrack
|
|
//
|
|
// Backtracks the candidate list, keeping items that minimize costs.
|
|
//
|
|
/////////////////////////////////////////////////////// JOEM 3-2000 //
|
|
HRESULT CDbQuery::Backtrack(double* pdCost)
|
|
{
|
|
SPDBG_FUNC( "CDbQuery::Backtrack" );
|
|
CCandidate* cur = NULL;
|
|
CEquivCost* equiv = NULL;
|
|
USHORT nCand = 0;
|
|
USHORT nEquiv = 0;
|
|
int minIdx = 0;
|
|
int minIdx2 = 0;
|
|
USHORT i = 0;
|
|
USHORT j = 0;
|
|
double minCost = 0;
|
|
|
|
nCand = (USHORT) m_apCandEnd.GetSize();
|
|
|
|
if ( nCand )
|
|
{
|
|
minCost = DBL_MAX;
|
|
}
|
|
|
|
// Look at the last item in each path, and get the Idx of the path with lowest cost
|
|
for (i=0; i<nCand; i++)
|
|
{
|
|
cur = m_apCandEnd[i];
|
|
|
|
if ( cur->equivList )
|
|
{
|
|
nEquiv = (USHORT) cur->equivList->GetSize();
|
|
}
|
|
for (j=0; j<nEquiv; j++)
|
|
{
|
|
equiv = (*cur->equivList)[j];
|
|
if (equiv->cost < minCost)
|
|
{
|
|
minCost = equiv->cost;
|
|
minIdx = i;
|
|
minIdx2 = j;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Go back through the path and get the items
|
|
if (nCand)
|
|
{
|
|
cur = m_apCandEnd[minIdx];
|
|
while ( cur && cur->equivList && cur->equivList->GetSize() )
|
|
{
|
|
equiv = (*cur->equivList)[minIdx2];
|
|
|
|
if ( equiv->entry )
|
|
{
|
|
(*m_papQueries)[cur->iQueryNum]->m_apEntry.Add(equiv->entry);
|
|
equiv->entry->AddRef();
|
|
(*m_papQueries)[cur->iQueryNum]->m_afEntryMatch.Add(equiv->fTagMatch);
|
|
(*m_papQueries)[cur->iQueryNum]->m_fTTS = false;
|
|
}
|
|
else
|
|
{
|
|
(*m_papQueries)[cur->iQueryNum]->m_fTTS = true;
|
|
}
|
|
|
|
minIdx2 = equiv->whereFrom;
|
|
cur = cur->parent;
|
|
equiv = NULL;
|
|
}
|
|
}
|
|
|
|
*pdCost = minCost;
|
|
|
|
return S_OK;
|
|
}
|
|
//////////////////////////////////////////////////////////////////////
|
|
// CDbQuery::ComputeCosts
|
|
//
|
|
// Cost computation
|
|
//
|
|
/////////////////////////////////////////////////////// JOEM 3-2000 //
|
|
HRESULT CDbQuery::ComputeCosts(CCandidate *parent, CCandidate *child, const CSPArray<CDynStr,CDynStr>* tags,
|
|
CSPArray<CDynStr,CDynStr>* idList, const bool asEntry, double *dCandCost)
|
|
{
|
|
SPDBG_FUNC( "CDbQuery::ComputeCosts" );
|
|
HRESULT hr = S_OK;
|
|
USHORT nEquiv = 0;
|
|
USHORT nParentEquiv = 0;
|
|
USHORT i = 0;
|
|
USHORT j = 0;
|
|
int minIdx = 0;
|
|
const WCHAR* id = NULL;
|
|
double minCost = 0.0;
|
|
double cost = 0.0;
|
|
CEquivCost* curCand = NULL;
|
|
CEquivCost* prevCand = NULL;
|
|
IPromptEntry* pIPE = NULL;
|
|
CSPArray<CEquivCost*,CEquivCost*>* equivList = NULL;
|
|
|
|
SPDBG_ASSERT (parent);
|
|
SPDBG_ASSERT (child);
|
|
SPDBG_ASSERT (idList);
|
|
|
|
nEquiv = (USHORT) idList->GetSize();
|
|
if ( parent->equivList )
|
|
{
|
|
nParentEquiv = (USHORT) parent->equivList->GetSize();
|
|
}
|
|
|
|
equivList = new CSPArray<CEquivCost*,CEquivCost*>;
|
|
if ( !equivList )
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
|
|
for (i=0; i<nEquiv && SUCCEEDED(hr); i++)
|
|
{
|
|
curCand = new CEquivCost;
|
|
if ( !curCand )
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
|
|
id = (*idList)[i].dstr;
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
if ( asEntry )
|
|
{
|
|
hr = m_pIDb->FindEntry(id, &pIPE);
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
hr = CopyEntry(pIPE, &curCand->entry);
|
|
pIPE->Release();
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
curCand->cost = 0.0;
|
|
curCand->whereFrom = -1;
|
|
|
|
minCost = DBL_MAX;
|
|
minIdx = -1;
|
|
}
|
|
|
|
// This is the minimizing loop
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
if (nParentEquiv)
|
|
{
|
|
for (j=0; j<nParentEquiv && SUCCEEDED(hr); j++)
|
|
{
|
|
prevCand = (*parent->equivList)[j];
|
|
|
|
SPDBG_ASSERT (prevCand);
|
|
|
|
hr = CostFunction (prevCand, curCand, tags, &cost);
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
if (cost < minCost )
|
|
{
|
|
minCost = cost;
|
|
minIdx = j;
|
|
}
|
|
}
|
|
}
|
|
if ( SUCCEEDED(hr) && minIdx == -1 )
|
|
{
|
|
hr = E_FAIL;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
hr = CostFunction (prevCand, curCand, tags, &minCost);
|
|
}
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
curCand->cost = minCost;
|
|
if ( dCandCost )
|
|
{
|
|
*dCandCost = minCost;
|
|
}
|
|
curCand->whereFrom = minIdx;
|
|
|
|
equivList->Add(curCand);
|
|
}
|
|
|
|
} // for
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
child->equivList = equivList;
|
|
}
|
|
else
|
|
{
|
|
if ( curCand )
|
|
{
|
|
delete curCand;
|
|
curCand = NULL;
|
|
}
|
|
}
|
|
|
|
SPDBG_REPORT_ON_FAIL( hr );
|
|
return hr;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
// CDbQuery::ComputeCostsId
|
|
//
|
|
// Cost computation
|
|
//
|
|
/////////////////////////////////////////////////////// JOEM 3-2000 //
|
|
HRESULT CDbQuery::ComputeCostsId(CCandidate *child, IPromptEntry* pIPE)
|
|
{
|
|
SPDBG_FUNC( "CDbQuery::ComputeCostsId" );
|
|
HRESULT hr = S_OK;
|
|
CCandidate* parent = NULL;
|
|
CCandidate* minParent = NULL;
|
|
CEquivCost* curCand = NULL;
|
|
CEquivCost* prevCand = NULL;
|
|
USHORT nParent = 0;
|
|
USHORT nParentEquiv= 0;
|
|
int minIdx = 0;
|
|
double minCost = 0.0;
|
|
double cost = 0.0;
|
|
USHORT i = 0;
|
|
USHORT j = 0;
|
|
CSPArray<CEquivCost*,CEquivCost*>* equivList;
|
|
|
|
curCand = new CEquivCost;
|
|
if ( !curCand )
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
|
|
hr = CopyEntry( pIPE, &curCand->entry );
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
curCand->cost = 0.0;
|
|
curCand->whereFrom = -1;
|
|
|
|
minParent = NULL;
|
|
minCost = DBL_MAX;
|
|
minIdx = -1;
|
|
|
|
nParent = (USHORT) m_apCandEnd.GetSize();
|
|
}
|
|
|
|
// This is the minimizing loop
|
|
for (i=0; i<nParent && SUCCEEDED(hr); i++)
|
|
{
|
|
parent = m_apCandEnd[i];
|
|
nParentEquiv = (USHORT) parent->equivList->GetSize();
|
|
|
|
if (nParentEquiv)
|
|
{
|
|
for ( j=0; j<nParentEquiv; j++ )
|
|
{
|
|
prevCand = (*parent->equivList)[j];
|
|
|
|
hr = CostFunction (prevCand, curCand, NULL, &cost);
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
if (cost < minCost )
|
|
{
|
|
minCost = cost;
|
|
minIdx = j;
|
|
minParent = parent;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) && minIdx == -1 )
|
|
{
|
|
hr = E_FAIL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
minCost = 0.0;
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
curCand->cost = minCost;
|
|
curCand->whereFrom = minIdx;
|
|
}
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
equivList = new CSPArray<CEquivCost*,CEquivCost*>;
|
|
if (!equivList)
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
equivList->Add(curCand);
|
|
child->equivList = equivList;
|
|
child->parent = minParent;
|
|
}
|
|
|
|
if ( FAILED(hr) )
|
|
{
|
|
delete curCand;
|
|
}
|
|
|
|
SPDBG_REPORT_ON_FAIL( hr );
|
|
return hr;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
// CDbQuery::ComputeCostsText
|
|
//
|
|
// Cost computation
|
|
//
|
|
/////////////////////////////////////////////////////// JOEM 3-2000 //
|
|
HRESULT CDbQuery::ComputeCostsText(CCandidate *child, const WCHAR *pszText)
|
|
{
|
|
SPDBG_FUNC( "CDbQuery::ComputeCostsText" );
|
|
HRESULT hr = S_OK;
|
|
USHORT nParent = 0;
|
|
USHORT nParentEquiv = 0;
|
|
int minIdx = 0;
|
|
double minCost = 0.0;
|
|
double cost = 0.0;
|
|
USHORT i = 0;
|
|
USHORT j = 0;
|
|
CEquivCost* curCand = NULL;
|
|
CEquivCost* prevCand = NULL;
|
|
CCandidate* parent = NULL;
|
|
CCandidate* minParent= NULL;
|
|
CSPArray<CEquivCost*,CEquivCost*>* equivList;
|
|
|
|
SPDBG_ASSERT (child);
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|
SPDBG_ASSERT (pszText);
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|
|
|
equivList = new CSPArray<CEquivCost*,CEquivCost*>;
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|
if ( !equivList )
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
curCand = new CEquivCost;
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if ( !curCand )
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
curCand->cost = 0.0;
|
|
curCand->whereFrom = -1;
|
|
curCand->text = wcsdup(pszText);
|
|
if ( !curCand->text )
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
minParent = NULL;
|
|
minCost = DBL_MAX;
|
|
minIdx = -1;
|
|
|
|
nParent = (USHORT) m_apCandEnd.GetSize();
|
|
}
|
|
|
|
if ( !nParent )
|
|
{
|
|
hr = CostFunction (NULL, curCand, NULL, &cost);
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
curCand->cost = cost;
|
|
curCand->whereFrom = minIdx;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// This is the minimizing loop
|
|
for (i=0; i<nParent && SUCCEEDED(hr); i++)
|
|
{
|
|
parent = m_apCandEnd[i];
|
|
nParentEquiv = (USHORT) parent->equivList->GetSize();
|
|
|
|
if (nParentEquiv)
|
|
{
|
|
for (j=0; j<nParentEquiv; j++)
|
|
{
|
|
prevCand = (*parent->equivList)[j];
|
|
|
|
hr = CostFunction (prevCand, curCand, NULL, &cost);
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
if (cost < minCost )
|
|
{
|
|
minCost = cost;
|
|
minIdx = j;
|
|
minParent = parent;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) && minIdx == -1 )
|
|
{
|
|
hr = E_FAIL;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
minCost = 0.0;
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
curCand->cost = minCost;
|
|
curCand->whereFrom = minIdx;
|
|
}
|
|
}
|
|
}
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
equivList->Add(curCand);
|
|
child->equivList = equivList;
|
|
child->parent = minParent;
|
|
}
|
|
else
|
|
{
|
|
if ( curCand )
|
|
{
|
|
delete curCand;
|
|
}
|
|
}
|
|
|
|
SPDBG_REPORT_ON_FAIL( hr );
|
|
return hr;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
// CDbQuery::CostFunction
|
|
//
|
|
//
|
|
/////////////////////////////////////////////////////// JOEM 3-2000 //
|
|
HRESULT CDbQuery::CostFunction(CEquivCost *prev, CEquivCost *cur, const CSPArray<CDynStr,CDynStr>* tags, double *cost)
|
|
{
|
|
SPDBG_FUNC( "CDbQuery::CostFunction" );
|
|
HRESULT hr = S_OK;
|
|
|
|
SPDBG_ASSERT (cur);
|
|
SPDBG_ASSERT (cost);
|
|
|
|
if ( prev )
|
|
{
|
|
*cost = prev->cost;
|
|
}
|
|
else
|
|
{
|
|
*cost = 0.0;
|
|
}
|
|
|
|
// Cost of using TTS
|
|
if ( cur->text )
|
|
{
|
|
if ( prev )
|
|
{
|
|
// if we're transitioning from prompts, add the transition cost + TTS insert cost.
|
|
if ( prev->entry )
|
|
{
|
|
*cost += FIXED_TRANSITION_COST; // Fixed cost for a transition
|
|
*cost += TTS_INSERT_COST; // * CountWords (cur->text);
|
|
}
|
|
}
|
|
else // otherwise, just add the TTS cost
|
|
{
|
|
*cost += TTS_INSERT_COST; // * CountWords (cur->text);
|
|
}
|
|
}
|
|
else // Cost of using an entry;
|
|
{
|
|
double tagCost = MATCHING_TAG_COST;
|
|
USHORT nEntryTags = 0;
|
|
|
|
if ( prev )
|
|
{
|
|
*cost += FIXED_TRANSITION_COST; // Fixed cost for a transition
|
|
}
|
|
|
|
cur->entry->CountTags(&nEntryTags);
|
|
|
|
if ( !tags )
|
|
{
|
|
if ( nEntryTags )
|
|
{
|
|
*cost += NON_MATCHING_TAG_COST;
|
|
cur->fTagMatch = false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
USHORT i = 0;
|
|
CSpDynamicString curTag;
|
|
USHORT nTags = (USHORT) tags->GetSize();
|
|
|
|
for (i=0; i<nTags && SUCCEEDED(hr); i++)
|
|
{
|
|
curTag = (*tags)[i].dstr;
|
|
const WCHAR* emptyTag = L"";
|
|
|
|
if ( nEntryTags )
|
|
{
|
|
const WCHAR* entryTag = NULL;
|
|
USHORT j = 0;
|
|
|
|
for (j=0; j< nEntryTags; j++)
|
|
{
|
|
hr = cur->entry->GetTag(&entryTag, j);
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
if ( wcscmp(curTag, entryTag) == 0 )
|
|
{
|
|
entryTag = NULL;
|
|
break;
|
|
}
|
|
entryTag = NULL;
|
|
}
|
|
}
|
|
if (j == nEntryTags)
|
|
{
|
|
tagCost = NON_MATCHING_TAG_COST;
|
|
cur->fTagMatch = false;
|
|
}
|
|
}
|
|
//--- An empty curTag should still match with an entry that has no tags
|
|
else if ( wcscmp(curTag,emptyTag) != 0 )
|
|
{
|
|
tagCost = NON_MATCHING_TAG_COST;
|
|
cur->fTagMatch = false;
|
|
}
|
|
|
|
*cost += tagCost;
|
|
curTag.Clear();
|
|
} // for each tag
|
|
}
|
|
} // else
|
|
|
|
// If there is information about phonetic
|
|
// context, apply it
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
if ( m_pPhoneContext && prev && prev->entry && cur->entry )
|
|
{
|
|
double cntxtCost;
|
|
|
|
hr = m_pPhoneContext->Apply( prev->entry, cur->entry, &cntxtCost );
|
|
if ( SUCCEEDED (hr) )
|
|
{
|
|
*cost += cntxtCost;
|
|
}
|
|
}
|
|
}
|
|
|
|
SPDBG_REPORT_ON_FAIL( hr );
|
|
return hr;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
// CDbQuery::CopyEntry
|
|
//
|
|
// Creates and returns a copy of the entry pointed to by pIPE.
|
|
//
|
|
/////////////////////////////////////////////////////// JOEM 5-2000 //
|
|
HRESULT CDbQuery::CopyEntry(IPromptEntry *pIPE, CPromptEntry** inEntry)
|
|
{
|
|
SPDBG_FUNC( "CDbQuery::CopyEntry" );
|
|
HRESULT hr = S_OK;
|
|
double entryTime = 0.0;
|
|
const WCHAR* entryText = NULL;
|
|
USHORT i = 0;
|
|
USHORT tagCount = 0;
|
|
|
|
CPromptEntry* newEntry = new CPromptEntry ( *(CPromptEntry*)pIPE );
|
|
if ( !newEntry )
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
|
|
*inEntry = newEntry;
|
|
|
|
SPDBG_REPORT_ON_FAIL( hr );
|
|
return hr;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
// CDbQuery::RemoveLocalQueries
|
|
//
|
|
// When a local query (from an expansion rule) fails, remove all
|
|
// associated local queries, and reinstate the main query.
|
|
//
|
|
/////////////////////////////////////////////////////// JOEM 5-2000 //
|
|
HRESULT CDbQuery::RemoveLocalQueries(const USHORT unQueryNum)
|
|
{
|
|
SPDBG_FUNC( "CDbQuery::RemoveLocalQueries" );
|
|
SHORT i = 0;
|
|
CQuery* pQuery = NULL;
|
|
|
|
// Take care of current query first
|
|
pQuery = (*m_papQueries)[unQueryNum];
|
|
// If it's a local query, cancel it and the surrounding local queries,
|
|
// and restoring the original for TTS.
|
|
if ( pQuery->m_fFragType == LOCAL_FRAG )
|
|
{
|
|
pQuery->m_fSpeak = FALSE;
|
|
|
|
// step backward, flagging previous local queries as "don't speak"
|
|
for ( i = unQueryNum-1; i>=0; i-- )
|
|
{
|
|
pQuery = (*m_papQueries)[i];
|
|
if ( pQuery->m_fFragType == LOCAL_FRAG )
|
|
{
|
|
pQuery->m_fSpeak = false;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
// step forward, flagging upcoming local queries as "don't speak"
|
|
for ( i = unQueryNum+1; i<m_papQueries->GetSize(); i++ )
|
|
{
|
|
pQuery = (*m_papQueries)[i];
|
|
if ( pQuery->m_fFragType == LOCAL_FRAG )
|
|
{
|
|
pQuery->m_fSpeak = false;
|
|
}
|
|
else
|
|
{
|
|
pQuery->m_fSpeak = true;
|
|
pQuery->m_fTTS = true;
|
|
// this wasn't supposed to be spoken, but now it must, so match is false.
|
|
pQuery->m_afEntryMatch.Add(false);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else // It's a combined frag - restore upcoming combined frags too.
|
|
{
|
|
pQuery->m_fTTS = true;
|
|
for ( i = unQueryNum+1; i<m_papQueries->GetSize(); i++ )
|
|
{
|
|
pQuery = (*m_papQueries)[i];
|
|
if ( pQuery->m_fFragType == COMBINED_FRAG )
|
|
{
|
|
pQuery->m_fFragType = SAPI_FRAG;
|
|
pQuery->m_fSpeak = true;
|
|
pQuery->m_fTTS = true;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return S_OK;
|
|
}
|