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path: root/kbabel/kbabeldict/modules/pocompendium/compendiumdata.cpp
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/* ****************************************************************************
  This file is part of KBabel

  Copyright (C) 2001 by Matthias Kiefer
                            <matthias.kiefer@gmx.de>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

  In addition, as a special exception, the copyright holders give
  permission to link the code of this program with any edition of
  the TQt library by Trolltech AS, Norway (or with modified versions
  of TQt that use the same license as TQt), and distribute linked
  combinations including the two.  You must obey the GNU General
  Public License in all respects for all of the code used other than
  TQt. If you modify this file, you may extend this exception to
  your version of the file, but you are not obligated to do so.  If
  you do not wish to do so, delete this exception statement from
  your version.
    
**************************************************************************** */
#include "compendiumdata.h"

#include <resources.h>
#include <catalog.h>
#include <tagextractor.h>

#include <kapplication.h>
#include <kdebug.h>
#include <klocale.h>

using namespace KBabel;

CompendiumData::CompendiumData(TQObject *tqparent)
            : TQObject(tqparent)
            , _active(false)
            , _error(false)
            , _initialized(false)
            , _catalog(0)
            , _exactDict(9887)
            , _allDict(9887)
            , _wordDict(9887)
            , _textonlyDict(9887)
{
    _catalog = new Catalog(this, "CompendiumData::catalog", TQString());
    _exactDict.setAutoDelete(true);
    _allDict.setAutoDelete(true);
    _wordDict.setAutoDelete(true);
    _textonlyDict.setAutoDelete(true);
}


bool CompendiumData::load(KURL url)
{
    if(_active)
        return false;


    _error = false;
    _active = true;

    _exactDict.clear();
    _allDict.clear();
    _wordDict.clear();
    _textonlyDict.clear();
    

    emit progressStarts(i18n("Loading PO compendium"));
    connect(_catalog, TQT_SIGNAL(signalProgress(int)), this, TQT_SIGNAL(progress(int)));

    ConversiontqStatus stat=_catalog->openURL(url);
        
    disconnect(_catalog, TQT_SIGNAL(signalProgress(int))
            , this, TQT_SIGNAL(progress(int)));
        

    if( stat!= OK && stat != RECOVERED_PARSE_ERROR)
    {
        kdDebug(KBABEL_SEARCH) << "error while opening file " << url.prettyURL() << endl;
                
        _error = true;
        _errorMsg = i18n("Error while trying to read file for PO Compendium module:\n%1")
            .tqarg(url.prettyURL());

        emit progressEnds();

        _active = false;
        _initialized=true;

        return false;
    }

    emit progressStarts(i18n("Building indices"));

    int total = _catalog->numberOfEntries();
    for(int i=0; i < total; i++)
    { 
        if( (100*(i+1))%total < 100 )
        {
            emit progress((100*(i+1))/total);
            kapp->processEvents(100);
        }

	// FIXME: shoudl care about plural forms
        TQString temp = _catalog->msgid(i,true).first();
        
        int *index = new int(i);
        _exactDict.insert(temp,index);


        temp = simplify(temp);
        temp = temp.lower();

        if(!temp.isEmpty() && temp.length() > 1)
        {
	    // add to allDict
            TQValueList<int> *indexList=_allDict[temp];
            
            if(!indexList)
            {
                indexList = new TQValueList<int>;
                _allDict.insert(temp,indexList);
            }

            indexList->append(i);

	    // add to textonlyDict
	    TQString temp1 = temp;
	    temp1.remove( ' ' );
	    
            indexList=_textonlyDict[temp1];
            
            if(!indexList)
            {
                indexList = new TQValueList<int>;
                _textonlyDict.insert(temp1,indexList);
		kdDebug() << "Adding " << temp1 << endl;
            }

            indexList->append(i);

	    // add to wordDict
            TQStringList wList = wordList(temp);
            for ( TQStringList::Iterator it = wList.begin()
                    ; it != wList.end(); ++it ) 
            {
                if( (*it).length() > 1)
                {
                    indexList=_wordDict[*it];
            
                    if(!indexList)
                    {
                        indexList = new TQValueList<int>;
                        _wordDict.insert(*it,indexList);
                    }

                    indexList->append(i);
                }
            }
        }
    }

    // remove words, that are too frequent
    uint max=_allDict.count()/10;
    TQDictIterator< TQValueList<int> > it(_wordDict);
    while ( it.current() ) 
    {
        if(it.current()->count() > max)
        {
            _wordDict.remove(it.currentKey());
        }
        else
        {
            ++it;
        }
    }
    

    _initialized=true;

    emit progressEnds();



    _active = false;

    return true;
}

const int* CompendiumData::exactDict(const TQString text) const
{
    return _exactDict[text];
}

const TQValueList<int>* CompendiumData::allDict(const TQString text) const
{
    return _allDict[text];
}

const TQValueList<int>* CompendiumData::wordDict(const TQString text) const
{
    return _wordDict[text];
}

const TQValueList<int>* CompendiumData::textonlyDict(const TQString text) const
{
    return _textonlyDict[text];
}


void CompendiumData::registerObject(TQObject *obj)
{
    if(!_registered.containsRef(obj))
        _registered.append(obj);
}

bool CompendiumData::unregisterObject(TQObject *obj)
{
    _registered.removeRef(obj);

    return _registered.count()==0;
}

bool CompendiumData::hasObjects() const
{
    return _registered.count()==0;
}

TQString CompendiumData::simplify(const TQString string)
{ 
    TQString result;

    TagExtractor te;
    te.setString(string);
    result=te.plainString();

    result=result.simplifyWhiteSpace();
    result=result.stripWhiteSpace();

    return result;
}

TQStringList CompendiumData::wordList(const TQString string)
{    
    TQString result=CompendiumData::simplify(string);
   
    return TQStringList::split(' ',result);
}

#include "compendiumdata.moc"