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686 lines
18 KiB
686 lines
18 KiB
// Copyright (C) 1997 Microsoft Corporation. All rights reserved.
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#include "header.h"
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#ifndef HHCTRL
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#include "hha_strtable.h"
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#endif
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#ifdef HHCTRL
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#include "strtable.h"
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#include "secwin.h"
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#endif
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#include "system.h"
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#include "csubset.h"
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#include "ctable.h"
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const char g_szUDSKey[] = "ssv2\\UDS"; // User Defined Subsets
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// Shared init.
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//
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void CSubSets::_CSubSets(void)
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{
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m_max_subsets = MAX_SUBSETS;
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m_aSubSets = (CSubSet**)lcCalloc( m_max_subsets * sizeof( CSubSet* ) );
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m_cur_Set = NULL;
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m_Toc = NULL;
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m_Index = NULL;
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m_FTS = NULL;
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m_cSets = 0;
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m_pszFilename = NULL;
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}
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#ifdef HHCTRL
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CSubSets::CSubSets(int ITSize, CHmData* const phmData, BOOL fPredefined=FALSE ) : CSubSet(ITSize)
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{
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_CSubSets();
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m_fPredefined = fPredefined;
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m_bPredefined = fPredefined;
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m_pIT = new CInfoType();
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m_pIT->CopyTo(phmData);
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}
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#endif
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CSubSets::CSubSets( int ITSize = 4, CInfoType *pIT=NULL, BOOL fPredefined=FALSE ) : CSubSet( ITSize)
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{
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_CSubSets();
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m_fPredefined = fPredefined;
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m_bPredefined = fPredefined;
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m_pIT = new CInfoType();
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if ( pIT != NULL )
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*m_pIT = *pIT; // BUGBUG: This will fault if you ever use the defult for the parameter.
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}
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CSubSets::CSubSets( int ITSize, CTable *ptblSubSets, CSiteMap *pSiteMap, BOOL fPredefined=FALSE ) : CSubSet(ITSize)
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{
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_CSubSets();
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m_fPredefined = fPredefined;
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m_bPredefined = fPredefined;
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m_pIT = new CInfoType();
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if ( pSiteMap )
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*m_pIT = *pSiteMap;
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// populate subsets with declarations in ptblSubSets
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CStr cszSSDecl; // one item of a subset
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CStr cszSubSetName;
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CStr cszITName;
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int cDeclarations = ptblSubSets->CountStrings();
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for (int i=1; i<cDeclarations; i++ )
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{
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cszSSDecl = ptblSubSets->GetPointer( i );
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int type ;
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if ( isSameString(cszSSDecl.psz, txtSSInclusive) )
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type = SS_INCLUSIVE;
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else if ( isSameString(cszSSDecl.psz, txtSSExclusive) )
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type = SS_EXCLUSIVE;
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cszSubSetName = StrChr(cszSSDecl.psz, ':')+1;
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PSTR psz = StrChr(cszSubSetName, ':');
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*psz = '\0';
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cszITName = StrChr( cszSSDecl.psz, ':')+1;
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if ( GetSubSetIndex( cszSubSetName ) < 0 )
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{
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AddSubSet(); // create a new subset
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m_cur_Set->m_cszSubSetName = cszSubSetName.psz;
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m_cur_Set->m_bPredefined = TRUE;
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}
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int pos = m_pIT->m_itTables.m_ptblInfoTypes->IsStringInTable( cszITName.psz );
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if ( pos <= 0 )
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continue;
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if ( type == SS_INCLUSIVE )
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m_cur_Set->AddIncType( pos ); // Add this "include" bit.
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else
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m_cur_Set->AddExcType( pos ); // Add this "exclude" bit.
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}
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}
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CSubSets::~CSubSets()
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{
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if (m_aSubSets) //leak fix
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{
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for(int i=0; i<m_max_subsets; i++)
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{
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if ( m_aSubSets[i] )
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delete m_aSubSets[i];
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}
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lcFree(m_aSubSets);
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}
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if ( m_pszFilename )
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lcFree(m_pszFilename );
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if ( m_pIT )
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delete( m_pIT );
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}
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const CSubSets& CSubSets::operator=( const CSubSets& SetsSrc ) // Copy Constructor
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{
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if ( this == NULL )
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return *this;
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if (m_max_subsets < SetsSrc.m_max_subsets )
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m_aSubSets = (CSubSet **) lcReAlloc(m_aSubSets, SetsSrc.m_max_subsets*sizeof(CSubSet*) );
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m_cSets = SetsSrc.m_cSets;
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m_max_subsets = SetsSrc.m_max_subsets;
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if ( m_pszFilename )
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lcFree( m_pszFilename );
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m_pszFilename = lcStrDup( SetsSrc.m_pszFilename);
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m_fPredefined = SetsSrc.m_fPredefined;
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for(int i=0; i< m_cSets; i++)
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{
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if ( m_aSubSets[i] )
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delete m_aSubSets[i];
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*m_aSubSets[i] = *SetsSrc.m_aSubSets[i];
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if ( SetsSrc.m_Toc == SetsSrc.m_aSubSets[i] )
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m_Toc = m_aSubSets[i];
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if ( SetsSrc.m_Index == SetsSrc.m_aSubSets[i] )
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m_Index = m_aSubSets[i];
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if ( SetsSrc.m_FTS == SetsSrc.m_aSubSets[i] )
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m_FTS = m_aSubSets[i];
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if ( SetsSrc.m_cur_Set == SetsSrc.m_aSubSets[i] )
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m_cur_Set = m_aSubSets[i];
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}
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m_pIT = new CInfoType();
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*m_pIT = *SetsSrc.m_pIT;
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return *this;
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}
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#ifdef HHCTRL
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void CSubSets::CopyTo( CHmData * const phmData )
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{
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CStr cszSubSetName;
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CStr cszITName;
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if ( !phmData->m_pdSubSets )
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return;
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for(int i=0; (phmData->m_pdSubSets[i].type>=SS_INCLUSIVE) && (phmData->m_pdSubSets[i].type<=SS_EXCLUSIVE); i++)
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{
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cszSubSetName = phmData->GetString( phmData->m_pdSubSets[i].dwStringSubSetName );
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if ( GetSubSetIndex( cszSubSetName ) < 0 )
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{
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AddSubSet(); // create a new subset
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m_cur_Set->m_cszSubSetName = cszSubSetName.psz;
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m_cur_Set->m_bPredefined = TRUE;
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}
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cszITName = phmData->GetString( phmData->m_pdSubSets[i].dwStringITName );
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int pos = m_pIT->m_itTables.m_ptblInfoTypes->IsStringInTable( cszITName.psz );
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if ( pos <= 0 )
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continue;
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if ( phmData->m_pdSubSets[i].type == SS_INCLUSIVE )
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m_cur_Set->AddIncType( pos ); // Add this "include" bit.
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else
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m_cur_Set->AddExcType( pos ); // Add this "exclude" bit.
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}
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// Read in all the user defined Subsets.
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CState* pstate = phmData->m_pTitleCollection->GetState();
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static const int MAX_PARAM = 4096;
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CMem memParam( MAX_PARAM );
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PSTR pszParam = (PSTR)memParam; // for notational convenience
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DWORD cb;
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int nKey=1;
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char buf[5];
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CStr cszKey = g_szUDSKey;
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wsprintf(buf,"%d",nKey++);
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cszKey += buf;
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while( SUCCEEDED(pstate->Open(cszKey.psz,STGM_READ)) )
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{
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int type;
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cszKey = g_szUDSKey;
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wsprintf(buf, "%d", nKey++);
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cszKey += buf;
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if ( SUCCEEDED(pstate->Read(pszParam,MAX_PATH,&cb)) )
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{
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if ( isSameString( (PCSTR)pszParam, txtSSInclusive) )
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type = SS_INCLUSIVE;
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else
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if ( isSameString((PCSTR)pszParam, txtSSExclusive) )
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type = SS_EXCLUSIVE;
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else
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break;
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}
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else
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break;
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// format INCLUSIVE|EXCLUSIVE:SubSetName:ITName
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PSTR psz = StrChr((PCSTR)pszParam, ':');
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if (psz)
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psz++;
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else
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psz = "";
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CStr cszTemp = psz;
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PSTR pszTemp = StrChr(cszTemp.psz, ':');
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*pszTemp = '\0';
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if ( GetSubSetIndex(cszTemp) < 0)
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{
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AddSubSet(); // create a new subset
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m_cur_Set->m_cszSubSetName = cszTemp.psz;
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m_cur_Set->m_bPredefined = FALSE; // The subset is user defined.
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}
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// Get the name of the type
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psz = StrChr(psz, ':');
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if ( psz )
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psz++;
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else
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psz ="";
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if (IsNonEmptyString(psz))
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{
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int pos = m_pIT->m_itTables.m_ptblInfoTypes->IsStringInTable( psz );
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if ( pos <= 0 )
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continue;
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if ( type == SS_INCLUSIVE )
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m_cur_Set->AddIncType( pos );
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else if ( type == SS_EXCLUSIVE)
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m_cur_Set->AddExcType( pos );
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}
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pstate->Close();
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pstate->Delete();
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} // while reading user defined subsets
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for ( int n = 0; n < m_cSets; n++ )
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m_aSubSets[n]->BuildMask();
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}
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#endif
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// Import a subset
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// ******************
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CSubSet *CSubSets::AddSubSet(CSubSet *pSubSet )
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{
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if ( !pSubSet || pSubSet->m_cszSubSetName.IsEmpty() )
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return NULL;
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if ( GetSubSetIndex( pSubSet->m_cszSubSetName.psz ) >= 0)
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return NULL; // the SS is already defined
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if ( m_cSets >= m_max_subsets )
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ReSizeSubSet(); // allocate space for more subsets
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m_aSubSets[m_cSets] = new CSubSet( m_ITSize );
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m_cur_Set = m_aSubSets[m_cSets];
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m_cSets++;
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*m_cur_Set = *pSubSet; // populate the new SubSet
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return m_cur_Set;
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}
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// Create a new (empty) subset
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// **********************
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CSubSet *CSubSets::AddSubSet( )
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{
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if ( (m_cSets >= m_max_subsets) )
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ReSizeSubSet();
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m_aSubSets[m_cSets] = new CSubSet( m_ITSize);
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m_cur_Set = m_aSubSets[m_cSets];
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m_cSets++;
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m_cur_Set->m_bPredefined = m_bPredefined; // from the base class
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m_cur_Set->m_pIT = m_pIT;
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return m_cur_Set;
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}
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// Removes a subset from m_aSubSets.
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// ***********************************
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void CSubSets::RemoveSubSet( PCSTR pszName )
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{
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int pos;
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if ( IsEmptyString(pszName) )
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return;
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pos = GetSubSetIndex( pszName );
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if ( (pos < 0) || (pos>m_max_subsets) )
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return; // subset name is not defined
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delete m_aSubSets[pos];
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m_aSubSets[pos] = NULL;
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m_cur_Set = NULL;
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}
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// NOTE:
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// Only user defined Subsets are saved to file. Author defined subsets (ie predefined
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// subsets live in the master .chm file. And are saved in the .hhp file and in the future
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// in the .hhc and .hhk file.
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// First try to save in the same directory as the .chm is in. next put it in the windows help directory.
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//
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// Format:
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// [SUBSETS]
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// SetName:Inclusive:TypeName
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// SetName:Exclusive:TypeName
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BOOL CSubSets::SaveToFile( PCSTR filename )
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{
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if ( m_fPredefined )
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return FALSE;
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// finish this
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return TRUE;
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}
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BOOL CSubSets::ReadFromFile( PCSTR filename )
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{
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// finish this
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if ( m_fPredefined )
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return FALSE;
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// Read the user defined subsets from the .sub file and add them to this subset.
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return TRUE;
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}
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int CSubSets::GetSubSetIndex( PCSTR pszName ) const
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{
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for (int i=0; i<m_cSets; i++ )
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{
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if (m_aSubSets[i] && m_aSubSets[i]->IsSameSet( pszName ) )
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return i;
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}
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return -1;
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}
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// Adds 5 more subsets.
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void CSubSets::ReSizeSubSet()
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{
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ASSERT(m_aSubSets);
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m_max_subsets += 5;
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m_aSubSets = (CSubSet**)lcReAlloc( m_aSubSets, m_max_subsets * sizeof(CSubSet*) );
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}
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#ifdef HHCTRL
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void CSubSets::SetTocMask( PCSTR psz, CHHWinType* phh)
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{
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CSubSet* pSS;
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int i = GetSubSetIndex(psz);
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if ( i >= 0 )
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pSS = m_aSubSets[i];
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else
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pSS = NULL;
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if ( pSS != m_Toc )
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{
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m_Toc = pSS;
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// Need to re-init the TOC!
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if (phh)
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phh->UpdateInformationTypes();
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}
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}
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#endif
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////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// CSubSet
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//
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CSubSet::CSubSet(int const ITSize)
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{
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// Round up to nearest DWORD boundary and allocate the bit fields. We have to do this becuase
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// m_pInclusive and m_pExclusive are DWORD pointers rather than byte pointers. As an optimization, if
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// ITSize is <= 4 We'll just use CSubSet member DWORDS as the bit fields. <mc>
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//
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int iRem = ITSize % 4;
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if ( iRem )
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m_ITSize = (ITSize + (4 - iRem));
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else
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m_ITSize = ITSize;
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if ( ITSize > 4 )
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{
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m_pInclusive = (INFOTYPE*) lcCalloc(m_ITSize);
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m_pExclusive = (INFOTYPE*) lcCalloc(m_ITSize);
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}
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else
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{
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dwI = dwE = 0;
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m_pInclusive = &dwI;
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m_pExclusive = &dwE;
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}
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m_aCatMasks = NULL;
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m_bIsEntireCollection = FALSE;
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}
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CSubSet::~CSubSet()
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{
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if ( m_ITSize > 4 )
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{
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if ( m_pInclusive )
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lcFree(m_pInclusive);
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if ( m_pExclusive )
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lcFree(m_pExclusive);
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}
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if ( m_aCatMasks )
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{
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for(int i=0; i<m_pIT->HowManyCategories(); i++)
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lcFree(m_aCatMasks[i]);
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lcFree(m_aCatMasks);
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}
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}
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// Copy constructor
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// *********************
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const CSubSet& CSubSet::operator=(const CSubSet& SetSrc)
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{
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if ( this == NULL )
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return *this;
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if ( this == &SetSrc )
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return *this;
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m_cszSubSetName = SetSrc.m_cszSubSetName.psz; // copy the set name
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memcpy(m_pInclusive, SetSrc.m_pInclusive, SetSrc.m_ITSize);
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memcpy(m_pExclusive, SetSrc.m_pExclusive, SetSrc.m_ITSize);
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m_ITSize = SetSrc.m_ITSize;
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m_bPredefined = SetSrc.m_bPredefined;
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m_pIT = SetSrc.m_pIT;
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return *this;
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}
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void CSubSet::BuildMask(void)
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{
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if ( m_bIsEntireCollection )
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return;
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int cCategories = m_pIT->HowManyCategories();
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m_aCatMasks = (INFOTYPE **) lcCalloc(cCategories * sizeof(INFOTYPE *) );
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for(int i =0; i<cCategories; i++)
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{
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INFOTYPE *pIT, *pCatMask;
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m_aCatMasks[i] = (INFOTYPE*)lcCalloc( m_ITSize);
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pIT = m_aCatMasks[i];
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INFOTYPE *pSSMask = m_pInclusive;
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pCatMask = m_pIT->m_itTables.m_aCategories[i].pInfoType;
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for(int j=0; j<m_ITSize; j+=4)
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{
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*pIT = (*pSSMask & *pCatMask);
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pIT++;
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pCatMask++;
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pSSMask++;
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}
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}
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}
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BOOL CSubSet::IsSameSet (PCSTR pszName) const
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{
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if ( pszName && strcmp(m_cszSubSetName.psz, pszName) == 0)
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return TRUE;
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else
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return FALSE;
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}
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static int ExclusiveOffset=-1;
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static INFOTYPE curExclusiveBit=1;
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int CSubSet::GetFirstExcITinSubSet(void) const
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{
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ExclusiveOffset = -1;
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curExclusiveBit = 1;
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int pos = GetITBitfromIT(m_pExclusive,
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&ExclusiveOffset,
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&curExclusiveBit,
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m_ITSize*8 );
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while ( (pos != -1) && IsDeleted(pos) )
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pos = GetNextExcITinSubSet();
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return pos;
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}
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int CSubSet::GetNextExcITinSubSet(void) const
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{
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if ( ExclusiveOffset <=-1 || curExclusiveBit <=1 )
|
|
return -1;
|
|
|
|
return GetITBitfromIT(m_pExclusive,
|
|
&ExclusiveOffset,
|
|
&curExclusiveBit,
|
|
m_ITSize*8 );
|
|
}
|
|
|
|
|
|
|
|
static int InclusiveOffset=-1;
|
|
static INFOTYPE curInclusiveBit=1;
|
|
|
|
int CSubSet::GetFirstIncITinSubSet( void) const
|
|
{
|
|
|
|
InclusiveOffset = -1;
|
|
curInclusiveBit = 1;
|
|
|
|
int pos = GetITBitfromIT(m_pInclusive,
|
|
&InclusiveOffset,
|
|
&curInclusiveBit,
|
|
m_ITSize*8 );
|
|
while ( (pos != -1) && IsDeleted( pos ) )
|
|
pos = GetNextIncITinSubSet();
|
|
return pos;
|
|
}
|
|
|
|
|
|
int CSubSet::GetNextIncITinSubSet( void) const
|
|
{
|
|
|
|
if ( InclusiveOffset <= -1 || curInclusiveBit <= 1 )
|
|
return -1;
|
|
|
|
return GetITBitfromIT(m_pInclusive,
|
|
&InclusiveOffset,
|
|
&curInclusiveBit,
|
|
m_ITSize*8 );
|
|
}
|
|
|
|
|
|
BOOL CSubSet::Filter( INFOTYPE const *pTopicIT ) const
|
|
{
|
|
INFOTYPE const *pTopicOffset = pTopicIT;
|
|
INFOTYPE MaskOffset;
|
|
//INFOTYPE *pExcITOffset, ExcITMask, ExcITBits;
|
|
int cCategories = m_pIT->HowManyCategories();
|
|
BOOL NoMask;
|
|
|
|
if ( m_bIsEntireCollection )
|
|
return TRUE;
|
|
|
|
// Filter on the Subset's Exclusive Bit Mask
|
|
#if 0
|
|
pTopicOffset = pTopicIT;
|
|
memcpy(&MaskOffset,m_pInclusive, sizeof(INFOTYPE) );
|
|
memcpy(&ExcITBits, m_pExclusive, sizeof(INFOTYPE) );
|
|
pExcITOffset = m_pIT->m_itTables.m_pExclusive;
|
|
ExcITMask = MaskOffset & *pExcITOffset; // ExcITMask has the EX ITs that are set in the filter.
|
|
ExcITMask = (~ExcITMask | ExcITBits); // flip the exclusive bits in the filter mask
|
|
ExcITMask = ExcITMask ^ ~*pExcITOffset; // To get rid of those extra 1's from the previous ~.
|
|
#endif
|
|
NoMask = FALSE;
|
|
for ( int i=0; i<m_ITSize; i+=4)
|
|
{
|
|
#if 0
|
|
if ( (ExcITMask & *pTopicOffset) )
|
|
return FALSE;
|
|
memcpy(&MaskOffset,m_pInclusive+i, sizeof(INFOTYPE) );
|
|
memcpy(&ExcITBits, m_pExclusive+i, sizeof(INFOTYPE) );
|
|
pTopicOffset++;
|
|
pExcITOffset++;
|
|
ExcITMask = MaskOffset & *pExcITOffset; // ExcITMask has the EX ITs that are set in the filter.
|
|
ExcITMask = (~ExcITMask | ExcITBits); // flip the exclusive bits in the filter mask
|
|
ExcITMask = ExcITMask ^ ~*pExcITOffset; // To get rid of those extra 1's from the previous ~.
|
|
#else
|
|
if ( *m_pExclusive & *pTopicOffset )
|
|
return FALSE;
|
|
#endif
|
|
}
|
|
|
|
// Filter on the Subset's Inclusive Bit Mask
|
|
#if 0
|
|
if ( cCategories > 0)
|
|
{
|
|
for (int i=0; i<cCategories; i++)
|
|
{
|
|
pTopicOffset = pTopicIT;
|
|
pMaskOffset = m_aCatMasks[i];
|
|
#if 0
|
|
NoMask = TRUE;
|
|
for( int j=0; j<m_ITSize; j+=4)
|
|
{
|
|
if ( NoMask && *pTopicOffset == 0L )
|
|
NoMask = TRUE;
|
|
else
|
|
NoMask = FALSE;
|
|
|
|
if (! *pMaskOffset )
|
|
{
|
|
pMaskOffset++;
|
|
pTopicOffset++;
|
|
continue;
|
|
}
|
|
|
|
if (!NoMask && !(*pMaskOffset & *pTopicOffset) )
|
|
return FALSE;
|
|
pMaskOffset++;
|
|
pTopicOffset++;
|
|
}
|
|
#endif
|
|
BOOL bOk = TRUE;
|
|
for(int j=0; j<m_ITSize; j+=4, pMaskOffset++, pTopicOffset++ )
|
|
{
|
|
if ( *pTopicOffset == 0L || *pMaskOffset == 0L )
|
|
continue;
|
|
if ( (bOk = (BOOL)(*pMaskOffset & *pTopicOffset)) )
|
|
break;
|
|
}
|
|
if (! bOk )
|
|
{
|
|
//
|
|
// Before we filter the topic out of existance we need to figure out if the topic is void of
|
|
// any IT's from the current catagory. If it is we will NOT filter this topic based upon subset
|
|
// bits for this catagory.
|
|
//
|
|
for(int n=0; n < (m_ITSize / 4); n++)
|
|
{
|
|
if ( m_pIT->m_itTables.m_aCategories[i].pInfoType[n] & pTopicIT[n] )
|
|
return FALSE; // Yep, topic has an IT from the catagory.
|
|
}
|
|
}
|
|
if (NoMask && *pTopicIT&1L ) // bit zero ==1 Inclusive logic
|
|
return FALSE;
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
{ // No categories,
|
|
pTopicOffset = pTopicIT;
|
|
MaskOffset = *m_pInclusive;
|
|
BOOL NoMask = TRUE;
|
|
for ( int i=0; i<m_ITSize/4; i++)
|
|
{
|
|
if ( NoMask && *pTopicOffset == 0L )
|
|
NoMask = TRUE;
|
|
else
|
|
NoMask = FALSE;
|
|
// MaskOffset &= ~(*(m_pIT->m_itTables.m_pExclusive+i));
|
|
if (!NoMask && !(MaskOffset & *pTopicOffset) )
|
|
return FALSE;
|
|
MaskOffset = (*m_pInclusive)+i;
|
|
pTopicOffset++;
|
|
}
|
|
if (NoMask && *pTopicIT&1L ) // bit zero ==1 Inclusive logic
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|