whfhost.js

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		}
		if ((strSyn == "")||(strSyn == " "))
			return ;
		if(!gbAIRSSL)
		{
			var oResMsg = new whMessage( WH_MSG_SETSYNSTR, a_this, 1, strSyn );
			SendMessage( oResMsg );
		}
		else
		{
		    gbAIRSynonymString = strSyn;
		}	
	}


	this.doQueryWordRecord = function( a_Context, a_this )
	{
		if ( !theXmlReader.bSucc )
		{
			a_Context.strMsg = gsLoadXmlFailed;
			a_Context.bError = true;
			return;
		}

		if ( !a_this.bSucc )
			return;
			
		//	By Lein 4:59 PM 7/15/2004
		a_this.recordResult = new HuginPackageReaderResult();
		var strRecord = theXmlReader.getWordRec(a_this.strQueryWord,a_this.bPhraseSearch);
		if ( strRecord == null )
			return;
		a_this.recordResult.bStopWord = false;
		a_this.recordResult.strNefStem = a_this.strQueryWord;
		a_this.recordResult.strRecord = strRecord;
		if (strRecord == "" )
		{
			a_this.bSucc = false;
			return;
		}
		a_this.bSucc = true;
		theXmlReader.strFilePath = a_this.strSynonymPath;
		a_Context.push( a_this.loadFromFile, a_this,
						a_this.setSynonymForHighlighting, a_this );		
	}

	this.query = function( a_Context, a_this )
	{
		a_this.bSucc = true;
		theXmlReader.strFilePath = a_this.strPackagePath;
		a_Context.push( a_this.loadFromFile, a_this,
						a_this.doQueryWordRecord, a_this );
	}
}

function HuginPackageIndexReader()
{
	this.queryWord = null;				//in
	this.strPackageIndexPath = null;	//in
	this.packageInfo = null;			//out
	this.bSucc = true;
	this.strCurQuery = null;
	this.strPackageInfo = null;

	this.prepareQuery = function()
	{
		this.packageInfo = null;			//out
		this.bSucc = true;
		this.strCurQuery = null;
		this.strPackageInfo = null;
	}

	this.getPackagePath = function( a_strSuffix )
	{
		var sf = splitPathName( this.strPackageIndexPath );
		return sf.strDir + "package_" + a_strSuffix + sf.strExt;
	}
	
	this.getTopicTablePath = function( a_strSuffix )
	{
		var sf = splitPathName( this.strPackageIndexPath );
		return sf.strDir + "topictable_" + a_strSuffix + sf.strExt;
	}

	this.parsePackageInfo = function( a_Context, a_this )
	{
		if ( !theXmlReader.bSucc ||
			 !theXmlReader.checkRoot( "cki" ) )
		{
			a_this.bSucc = false;			
			return;
		}
		var nPackageIndex = theXmlReader.getPackageIndex(a_this.strCurQuery);
		if ( nPackageIndex == null || nPackageIndex < 0 )
		{
			a_this.packageInfo = null;
			a_this.bSucc = false;			
			return;
		}

		a_this.packageInfo = a_this.getPackagePath( nPackageIndex );
		this.bSucc = true;
		return ;
	}
	
	this.parseTopicInfo = function( a_Context, a_this )
	{
		if ( !theXmlReader.bSucc ||
			 !theXmlReader.checkRoot( "cki" ) )
		{
			a_this.bSucc = false;			
			return;
		}
		var nPackageIndex = theXmlReader.getPackageIndex(a_this.strCurQuery);
		if ( nPackageIndex == null || nPackageIndex < 0 )
		{
			a_this.packageInfo = null;
			a_this.bSucc = false;			
			return;
		}

		a_this.packageInfo = a_this.getTopicTablePath( nPackageIndex );
		this.bSucc = true;
		return ;
	}
	
	this.loadFromFile = function( a_Context, a_this, a_funcCallback )
	{
		theXmlReader.loadFromFile( a_funcCallback , false);
	}

	this.queryPackageInfo = function( a_Context, a_this )
	{
		a_this.bSucc = true;
		theXmlReader.strFilePath = a_this.strPackageIndexPath;
		a_Context.push( a_this.loadFromFile, a_this,
						a_this.parsePackageInfo, a_this );
	}
	
	this.queryTopicInfo = function( a_Context, a_this )
	{
		a_this.bSucc = true;
		theXmlReader.strFilePath = a_this.strPackageIndexPath;
		a_Context.push( a_this.loadFromFile, a_this,
						a_this.parseTopicInfo, a_this );
	}
}

function HuginTopicTableReader()
{
	this.nQueryId = null;				//in
	this.strTopicTablePath = null;		//in
	this.lastIndex = -1;
	this.topicInfo = null;				//out
	this.bSucc = true;
	this.strTopicInfo = null;
	this.strTopicContext = null;
	this.topicMap = null ;
	this.curTopicIndex = null ;
	
	this.prepareQuery = function()
	{
		this.bSucc = true;
		this.strTopicInfo = null;		
	}
	
	this.loadFromFile = function( a_Context, a_this, a_funcCallback )
	{
		theXmlReader.loadFromFile( a_funcCallback );
	}

	this.processReaderResult = function( a_Context, a_this )
	{
		if ( !theXmlReader.bSucc ||
			 !theXmlReader.checkRoot( "ck" ) )
		{
			a_this.bSucc = false;
			a_this.bInited = false;
			return;
		}
		var queryId = a_this.nQueryId ;
		if (a_this.curTopicIndex > 0 )
		    queryId = queryId - a_this.topicMap[a_this.curTopicIndex -1 ] ;
		var topicInfo = theXmlReader.getTopicRec(queryId);
		a_this.strTopicInfo = topicInfo.rd;
		a_this.strTopicContext = topicInfo.ct;
	}

	this.parseTopicInfo = function( a_Context, a_this )
	{
		if ( !a_this.bSucc )
			return;

		a_this.topicInfo = new Object();
		var v = a_this.strTopicInfo.split( "|" );
		if ( v.length < 2 || v[0] == "" || v[1] == "" )
		{
			a_this.bSucc == false;
			return;
		}
		a_this.topicInfo.strUrl = v[0];
		a_this.topicInfo.strTitle = v[1];
	}

	this.queryTopicInfo = function( a_Context, a_this )
	{
		for (var i = 0 ; i < a_this.topicMap.length ; i++)
		{
			if (a_this.nQueryId < a_this.topicMap[i] )
				break ;			
		}
		if (i >= a_this.topicMap.length)
		{
			a_this.bSucc == false;
			return;
		}
		a_this.curTopicIndex = i ;
		var topictablefilename = "topictable_" + i + ".xml" ;
        if(i != a_this.lastIndex)
		{
			a_this.lastIndex = i;
			theXmlReader.strFilePath = getAbsPath( a_this.strTopicTablePath, topictablefilename );
			a_Context.push( a_this.loadFromFile, a_this,
						a_this.processReaderResult, a_this,
						a_this.parseTopicInfo, a_this );
		}
		else
		{
			a_Context.push( a_this.processReaderResult, a_this,
						a_this.parseTopicInfo, a_this );
		}
	}
	
	this.makeIndexMap = function( a_Context, a_this )
	{
		a_this.topicMap = new Array() ;
		var prev = 0 ;
		for (var i = 0; i < theXmlReader.getNumOfNodes() ; i++)
		{
			a_this.topicMap[i] = theXmlReader.getNumOfTopics(i) + prev;
			prev = a_this.topicMap[i] ;
		}		
	}
	
	this.prepareMap  = function( a_Context, a_this )
	{
		a_this.bSucc = true;
		theXmlReader.strFilePath =  a_this.strTopicTablePath;
		a_Context.push( a_this.loadFromFile, a_this,
						a_this.makeIndexMap, a_this);
	}
}

// HuginDatabase.js-----------------------------

function HuginDatabase()
{
	this.strOdbPath = "";			//in

	this.queryWord = null;			//in
	this.bNeedStopWord = false;		//in
	this.recordResult = null;		//out
	this.eType = null ;             //in
	this.aQueryTopics = null;		//in out

	this.bSucc = false;
	this.bInited = false;
	
	this.strTopicTablePath = null;
	this.strPackageIndexPath = null;
	this.strSynonymPath = null ;
	this.packageInfo = null;
	
	this.iCurTopic = null;

	this.packageIndexReader = new HuginPackageIndexReader();
	this.packageReader = new HuginPackageReader();
	this.topicReader = new HuginTopicTableReader();

	this.prepareQuery = function()
	{
		this.recordResult = null;
		this.bSucc = true;
		
		this.packageInfo = null;
		
		this.iCurTopic = 0;

		this.packageIndexReader.prepareQuery();
		this.packageReader.prepareQuery();
		this.topicReader.prepareQuery();
		this.eType = ESNT_DEFAULT ;
	}

	this.getIndexUrl = function( a_strIndexType )
	{
		var strRelPath = theXmlReader.getAttr( "index", "type", a_strIndexType, "url" );
		if ( strRelPath == "" )
			return "";

		return getAbsPath( this.strOdbPath, strRelPath );
	}

	this.readOdbInfo = function( a_Context, a_this )
	{
		if ( !theXmlReader.bSucc ||
			 !theXmlReader.checkRoot( "odb" ) )
		{
			a_this.bSucc = false;
			a_this.bInited = false;
			return;
		}
					
		a_this.strTopicTablePath = a_this.getIndexUrl( "TopicIndex" );
		a_this.strPackageIndexPath = a_this.getIndexUrl( "PackageIndex" );
		a_this.strSynonymPath = a_this.getIndexUrl( "Synonym" );

		if ( a_this.strTopicTablePath == "" || a_this.strPackageIndexPath == ""  || a_this.strSynonymPath == "")
		{
			a_this.bSucc = false;
			a_this.bInited = false;
			return;
		}
		else
		{
			a_this.bSucc = true;
			a_this.bInited = true;
		}
	}

	this.loadFromFile = function( a_Context, a_this, a_funcCallback )
	{
		theXmlReader.loadFromFile( a_funcCallback );
	}

	this.queryRecordInPackage = function( a_Context, a_this )
	{
		if ( !a_this.packageIndexReader.bSucc )
			return;

		a_this.packageInfo = a_this.packageIndexReader.packageInfo;
		a_this.packageReader.strPackagePath = a_this.packageInfo;
		a_this.packageReader.strSynonymPath = a_this.strSynonymPath ;
		a_this.packageReader.bPhraseSearch = (a_this.eType == ESNT_PHRASE);
		if (gsSubstrSrch)
			a_this.packageReader.strQueryWord = a_this.queryWord.strNormalizedOrg;
		else
			a_this.packageReader.strQueryWord = a_this.queryWord.strHelStem;		//use stem in case substring search is off
		a_Context.push( a_this.packageReader.query, a_this.packageReader );
	}
	
	this.makeResult = function( a_Context, a_this )
	{
		if ( !a_this.packageIndexReader.bSucc ||
			 !a_this.packageReader.bSucc )
		{
			a_this.bSucc = false;
		}
		a_this.recordResult = a_this.packageReader.recordResult;
		if (a_this.eType == ESNT_NOT)
		{
            if ((typeof(a_this.recordResult)=='undefined')||(a_this.recordResult==null))
            {
                a_this.bSucc = true ;
                a_this.recordResult = a_this.makeDummyResultRec(a_this.queryWord.strNormalizedOrg,a_this.queryWord.strHelStem) ;
            }
            theXmlReader.strFilePath = a_this.strTopicTablePath;
            a_Context.push( a_this.loadFromFile, a_this,
						a_this.makeNotResult, a_this );            
		}    
	}
	
	this.makeDummyResultRec = function(strOrg, strStem)
	{
	    var recordResult = new Object();
	    recordResult.strRecord = "" ;
	    recordResult.strNefStem = strStem ;
	    recordResult.bStopWord = false ;
	    return recordResult ;
	}
	
	this.makeNotResult = function( a_Context, a_this )
	{
	    var topicRecs = a_this.recordResult.strRecord.split( "|" );
	    var bIncludeAll = (a_this.recordResult.strRecord == "" );
        var arrTopicIds = new Array();
        var j ;            
        for(j=0;j<topicRecs.length;j++)
        {
            var pos = topicRecs[j].indexOf(",");
            if(pos != -1)
                arrTopicIds[arrTopicIds.length] = topicRecs[j].substring(0,pos);
        }   
        var bCheck = false ;
        if(arrTopicIds.length > 0)
            bCheck = true ;
        var curIndex = 0 ;         
        var sDummyTopicRec = ",192:0,0,10" ;		
        var i = 0;
        var numTopics = 0 ;
		for (var k =0 ; k < theXmlReader.getNumOfNodes() ; k++)
		{
			numTopics += theXmlReader.getNumOfTopics(k);
		}
        a_this.recordResult.strRecord = '' ;
        while(i < numTopics)
        {
            var bIncludeTopic = true ;
            if (bCheck && (curIndex < arrTopicIds.length)&&(arrTopicIds[curIndex]==i) && (!bIncludeAll))
            {
                curIndex++ ;
                bIncludeTopic = false ;
            }
            if(bIncludeTopic)
            {
                a_this.bSucc = true ;
                var topicRec = i + sDummyTopicRec ;
                if (a_this.recordResult.strRecord == '')
                    a_this.recordResult.strRecord = topicRec ;
                else
                    a_this.recordResult.strRecord += "|" + topicRec ;
            }
            i++ ;
        }            
	}
	
	this.init = function( a_Context, a_this )
	{
		theXmlReader.strFilePath = a_this.strOdbPath;
		a_Context.push( a_this.loadFromFile, a_this,
						a_this.readOdbInfo, a_this );
	}

	this.queryRecord = function( a_Context, a_this )
	{
		if ( !a_this.bInited )
		{
			a_this.bSucc = false;
			return;
		}
		a_this.bSucc = true;

		a_this.packageIndexReader.strPackageIndexPath = a_this.strPackageIndexPath;
		if (gsSubstrSrch)
			a_this.packageIndexReader.strCurQuery = a_this.queryWord.strNormalizedOrg;
		else
			a_this.packageIndexReader.strCurQuery = a_this.queryWord.strHelStem;	//use stem in case substring search is off
		a_Context.push( a_this.packageIndexReader.queryPackageInfo, a_this.packageIndexReader,
						a_this.queryRecordInPackage, a_this,
						a_this.makeResult, a_this )
	}
	
	this.processTopicInfo = function( a_Context, a_this )
	{
		if ( !a_this.topicReader.bSucc )
		{
			a_this.bSucc = false;
			return;
		}
		a_this.aQueryTopics[a_this.iCurTopic].strUrl = a_this.topicReader.topicInfo.strUrl;
		a_this.aQueryTopics[a_this.iCurTopic].strTitle = a_this.topicReader.topicInfo.strTitle;
		a_this.aQueryTopics[a_this.iCurTopic].strSummary = a_this.topicReader.strTopicContext;
	}
	
	this.incCurTopic = function( a_Context, a_this )
	{
		a_this.iCurTopic++;
	}

	this.queryTopicInfo = function( a_Context, a_this )
	{
		if ( a_this.iCurTopic >= a_this.aQueryTopics.length )
			return;

		a_this.topicReader.nQueryId = a_this.aQueryTopics[a_this.iCurTopic].nTopicId;
		a_Context.push( a_this.topicReader.queryTopicInfo, a_this.topicReader,
						a_this.processTopicInfo, a_this,
						a_this.incCurTopic, a_this,
						a_this.queryTopicInfo, a_this );
	}

	this.queryTopicInfos = function( a_Context, a_this )
	{
		if ( !a_this.bInited )
		{
			a_this.bSucc = false;
			return;
		}
		a_this.bSucc = true;

		a_this.topicReader.strTopicTablePath = a_this.strTopicTablePath;
		a_this.iCurTopic = 0;						//this is an iterator of a "for" loop
		a_this.topicReader.lastIndex = -1;
		a_Context.push( a_this.topicReader.prepareMap , a_this.topicReader,
						a_this.queryTopicInfo, a_this );
	}
}

// LanguageService.js---------------------------

function LanguageService()
{
	this.getNormalizedOrg = function( a_strOrg, a_Result )
	{
		var strUpper = a_strOrg.toUpperCase();
		var strLower = a_strOrg.toLowerCase();

		if ( utf8Compare(strUpper, strLower) == 0 || utf8Compare(strUpper, a_strOrg) != 0 )
		{
			a_Result.strNormalizedOrg = strLower;
			a_Result.bUpperCase = false;