vcs.maemo.org Git - mdictionary/blob - trunk/src/plugins/xdxf/src/xdxfplugin.cpp

   1 /*******************************************************************************
   2
   3     This file is part of mDictionary.
   4
   5     mDictionary is free software: you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     mDictionary is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with mDictionary.  If not, see <http://www.gnu.org/licenses/>.
  17
  18     Copyright 2010 Comarch S.A.
  19
  20 *******************************************************************************/
  21
  22 #include "xdxfplugin.h"
  23 #include <QDebug>
  24 #include <QFile>
  25 #include <QXmlStreamReader>
  26 #include <QtPlugin>
  27 #include "TranslationXdxf.h"
  28 #include "../../../includes/settings.h"
  29
  30 XdxfPlugin::XdxfPlugin(QObject *parent) : CommonDictInterface(parent),
  31                     _langFrom(tr("")), _langTo(tr("")),_name(tr("")),
  32                     _type(tr("xdxf")), _infoNote(tr("")) {
  33     _wordsCount = -1;
  34     _settings = new Settings();
  35     _dictDialog = new XdxfDictDialog(this, this);
  36     cachingDialog = new XdxfCachingDialog(this);
  37
  38     connect(cachingDialog, SIGNAL(cancelCaching()),
  39             this, SLOT(stop()));
  40
  41     _settings->setValue("type","xdxf");
  42
  43     stopped = false;
  44
  45     _icon = QIcon(":/icons/xdxf.png");
  46 }
  47
  48 QString XdxfPlugin::langFrom() const {
  49     return _langFrom;
  50 }
  51
  52 QString XdxfPlugin::langTo() const {
  53     return  _langTo;
  54 }
  55
  56 QString XdxfPlugin::name() const {
  57     return  _name;
  58 }
  59
  60 QString XdxfPlugin::type() const {
  61 //    return _settings->value("type");
  62     return _type;
  63 }
  64
  65 QString XdxfPlugin::infoNote() const {
  66     return  _infoNote;
  67 }
  68
  69 QList<Translation*> XdxfPlugin::searchWordList(QString word, int limit) {
  70     //if(_settings->value("cached") == "true")
  71     if(word.indexOf("*")==-1 && word.indexOf("?")==-1 && word.indexOf("_")==-1
  72        && word.indexOf("%")==-1)
  73         word+="*";
  74     if(isCached())
  75         return searchWordListCache(word,limit);
  76     return searchWordListFile(word, limit);
  77 }
  78
  79 QList<Translation*> XdxfPlugin::searchWordListCache(QString word, int limit) {
  80
  81     QSet<Translation*> translations;
  82     QString cacheFilePath = _settings->value("cache_path");
  83         db.setDatabaseName(cacheFilePath);
  84         if(!db.open()) {
  85             qDebug() << "Database error" << db.lastError().text() << endl;
  86             return searchWordListFile(word, limit);
  87         }
  88
  89         stopped = false;
  90         if(word.indexOf("*")==-1 && word.indexOf("?")== 0)
  91             word+="%";
  92         word = word.replace("*", "%");
  93         word = word.replace("?", "_");
  94         word = removeAccents(word);
  95         qDebug() << word;
  96
  97         QSqlQuery cur(db);
  98         cur.prepare("select word from dict where word like ? limit ?");
  99         cur.addBindValue(word);
 100         cur.addBindValue(limit);
 101         cur.exec();
 102         while(cur.next())
 103             translations.insert(new TranslationXdxf(cur.value(0).toString(),
 104                                                     _infoNote, this));
 105         return translations.toList();
 106 }
 107
 108
 109
 110 QList<Translation*> XdxfPlugin::searchWordListFile(QString word, int limit) {
 111     QSet<Translation*> translations;
 112     QFile dictionaryFile(path);
 113
 114     word = removeAccents(word);
 115
 116     stopped = false;
 117     QRegExp regWord(word);
 118     regWord.setCaseSensitivity(Qt::CaseInsensitive);
 119     regWord.setPatternSyntax(QRegExp::Wildcard);
 120     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 121         qDebug()<<"Error: could not open file";
 122         return translations.toList();
 123     }
 124
 125     QXmlStreamReader dictionaryReader(&dictionaryFile);
 126     /*search words list*/
 127     QString a;
 128     int i=0;
 129     while(!dictionaryReader.atEnd() && !stopped){
 130         dictionaryReader.readNextStartElement();
 131         if(dictionaryReader.name()=="ar"){
 132             while(dictionaryReader.name()!="k" && !dictionaryReader.atEnd())
 133                 dictionaryReader.readNextStartElement();
 134             if(!dictionaryReader.atEnd())
 135                 a = dictionaryReader.readElementText();
 136             if(regWord.exactMatch(removeAccents(a)) && (i<limit || limit==0)) {
 137                 bool ok=true;
 138                 Translation *tran;
 139                 foreach(tran,translations)
 140                 {
 141                     if(tran->key()==a)
 142                         ok=false;  /*if key word is in the dictionary more that one */
 143                 }
 144                 if(ok)  /*add key word to list*/
 145                     translations<<(new TranslationXdxf(a,_infoNote,this));
 146                 i++;
 147                 if(i>=limit && limit!=0)
 148                     break;
 149             }
 150         }
 151         this->thread()->yieldCurrentThread();
 152     }
 153     stopped=false;
 154     dictionaryFile.close();
 155     return translations.toList();
 156 }
 157
 158 QString XdxfPlugin::search(QString key) {
 159 //    if(_settings->value("cached") == "true")
 160     if(isCached())
 161         return searchCache(key);
 162     return searchFile(key);
 163 }
 164
 165
 166
 167 QString XdxfPlugin::searchCache(QString key) {
 168     QString result;
 169     QString cacheFilePath = _settings->value("cache_path");
 170     db.setDatabaseName(cacheFilePath);
 171
 172     if(!db.open()) {
 173         qDebug() << "Database error" << db.lastError().text() << endl;
 174         return searchFile(key);
 175     }
 176
 177     QSqlQuery cur(db);
 178     cur.prepare("select translation from dict where word like ? limit 1");
 179     cur.addBindValue(key);
 180     cur.exec();
 181     if(cur.next())
 182         result = cur.value(0).toString();
 183     return result;
 184
 185 }
 186
 187
 188
 189
 190 QString XdxfPlugin::searchFile(QString key) {
 191     QFile dictionaryFile(path);
 192     QString resultString("");
 193     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 194         qDebug()<<"Error: could not open file";
 195         return "";
 196     }
 197     QXmlStreamReader dictionaryReader(&dictionaryFile);
 198
 199
 200     QString a;
 201
 202     bool match =false;
 203     stopped = false;
 204     while (!dictionaryReader.atEnd()&& !stopped) {
 205         dictionaryReader.readNext();
 206         if(dictionaryReader.tokenType() == QXmlStreamReader::StartElement) {
 207             if(dictionaryReader.name()=="k") {
 208                 a = dictionaryReader.readElementText();
 209                 if(a==key)
 210                     match = true;
 211             }
 212         }
 213         else if(dictionaryReader.tokenType() == QXmlStreamReader::Characters) {
 214             if(match) {
 215  /*             QString temp(dictionaryReader.text().toString());
 216                 if(temp=="\n")
 217                     temp=dictionaryReader.readElementText();
 218                 temp.replace("\n","");
 219                 if(temp == ""){
 220                     int i=0;
 221                     while(dictionaryReader.name()!="ar"&&
 222                                 !dictionaryReader.atEnd()){
 223                         dictionaryReader.readNext();
 224                         if(dictionaryReader.name()!="" &&
 225                                          dictionaryReader.name()!="ar") {
 226                             if(dictionaryReader.tokenType()==QXmlStreamReader::EndElement)
 227                                 temp+=tr("</");
 228                             if(dictionaryReader.tokenType()==QXmlStreamReader::StartElement)
 229                                 temp+=tr("<");
 230                             qDebug()<<dictionaryReader.tokenType();
 231                             temp=temp+dictionaryReader.name().toString() + tr(">");
 232                             i++;
 233                         }
 234                         temp+=dictionaryReader.text().toString();
 235                     }
 236                 }
 237                 resultString+=temp.replace("\n","")+"\n";
 238                 match=false;
 239 */
 240                 QString temp("");
 241                 while(dictionaryReader.name()!="ar" && !dictionaryReader.atEnd()) {
 242                     if(dictionaryReader.name()!="") {
 243                         if(dictionaryReader.tokenType()==QXmlStreamReader::EndElement)
 244                             temp+=tr("</");
 245                         if(dictionaryReader.tokenType()==QXmlStreamReader::StartElement)
 246                             temp+=tr("<");
 247                         temp=temp+dictionaryReader.name().toString() + tr(">");
 248                     }
 249                     temp+= dictionaryReader.text().toString();
 250                     dictionaryReader.readNext();
 251                 }
 252                 resultString+=tr("<t>") + temp.replace("\n","") + tr("</t>");
 253                 match=false;
 254             }
 255         }
 256         this->thread()->yieldCurrentThread();
 257     }
 258     stopped=false;
 259     dictionaryFile.close();
 260     return resultString;
 261 }
 262
 263 void XdxfPlugin::stop() {
 264     stopped=true;
 265 }
 266
 267 DictDialog* XdxfPlugin::dictDialog() {
 268      return _dictDialog;
 269 }
 270
 271 void XdxfPlugin::setPath(QString path){
 272     this->path=path;
 273     _settings->setValue("path",path);
 274     //getDictionaryInfo();
 275 }
 276
 277
 278 CommonDictInterface* XdxfPlugin::getNew(const Settings *settings) const {
 279     XdxfPlugin *plugin = new XdxfPlugin();
 280     if(settings){
 281         plugin->setPath(settings->value("path"));
 282
 283         QStringList list = settings->keys();
 284         foreach(QString key, list)
 285             plugin->settings()->setValue(key, settings->value(key));
 286
 287
 288         plugin->db_name = plugin->_settings->value("type")
 289                + plugin->_settings->value("path");
 290         plugin->db = QSqlDatabase::addDatabase("QSQLITE", plugin->db_name);
 291
 292         if(settings->value("cached").isEmpty() &&
 293            settings->value("generateCache") == "true") {
 294             plugin->makeCache("");
 295         }
 296     }
 297
 298     plugin->getDictionaryInfo();
 299     return  plugin;
 300 }
 301
 302 bool XdxfPlugin::isAvailable() const {
 303     return true;
 304 }
 305
 306 void XdxfPlugin::setHash(uint _hash)
 307 {
 308     this->_hash=_hash;
 309 }
 310
 311 uint XdxfPlugin::hash() const
 312 {
 313    return _hash;
 314 }
 315
 316 Settings* XdxfPlugin::settings() {
 317     return _settings;
 318 }
 319
 320 bool XdxfPlugin::isCached()
 321 {
 322     if(_settings->value("cached") == "true")
 323         return true;
 324     return false;
 325 }
 326
 327 void XdxfPlugin::setSettings(Settings *settings) {
 328
 329     QString oldPath = _settings->value("path");
 330     if(oldPath != settings->value("path")) {
 331         setPath(settings->value("path"));
 332     }
 333
 334     if((_settings->value("cached") == "false" ||
 335         _settings->value("cached").isEmpty()) &&
 336        settings->value("generateCache") == "true") {
 337         makeCache("");
 338     }
 339     else {
 340        _settings->setValue("cached", "false");
 341     }
 342
 343     emit settingsChanged();
 344 }
 345
 346
 347 void XdxfPlugin::getDictionaryInfo() {
 348     QFile dictionaryFile(path);
 349     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 350         qDebug()<<"Error: could not open file";
 351         return;
 352     }
 353
 354     QXmlStreamReader dictionaryReader(&dictionaryFile);
 355     dictionaryReader.readNextStartElement();
 356     if(dictionaryReader.name()=="xdxf") {
 357       if(dictionaryReader.attributes().hasAttribute("lang_from"))
 358         _langFrom = dictionaryReader.attributes().value("lang_from").toString();
 359       if(dictionaryReader.attributes().hasAttribute("lang_to"))
 360         _langTo = dictionaryReader.attributes().value("lang_to").toString();
 361     }
 362     dictionaryReader.readNextStartElement();
 363     if(dictionaryReader.name()=="full_name")
 364         _name=dictionaryReader.readElementText();
 365     dictionaryReader.readNextStartElement();
 366     if(dictionaryReader.name()=="description")
 367         _infoNote=dictionaryReader.readElementText();
 368
 369     dictionaryFile.close();
 370 }
 371
 372 QString XdxfPlugin::removeAccents(QString string) {
 373
 374     string = string.replace(QString::fromUtf8("ł"), "l", Qt::CaseInsensitive);
 375     QString normalized = string.normalized(QString::NormalizationForm_D);
 376     normalized = normalized;
 377     for(int i=0; i<normalized.size(); i++) {
 378         if( !normalized[i].isLetterOrNumber() &&
 379             !normalized[i].isSpace() &&
 380             !normalized[i].isDigit() &&
 381             normalized[i] != '*' &&
 382             normalized[i] != '%' &&
 383             normalized[i] != '_' &&
 384             normalized[i] != '?' ) {
 385             normalized.remove(i,1);
 386         }
 387     }
 388     return normalized;
 389 }
 390
 391 QIcon* XdxfPlugin::icon() {
 392     return &_icon;
 393 }
 394
 395 int XdxfPlugin::countWords() {
 396     if(_wordsCount > 0)
 397         return _wordsCount;
 398
 399     QFile dictionaryFile(path);
 400     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 401         qDebug()<<"Error: could not open file";
 402         return -1;
 403     }
 404
 405     dictionaryFile.seek(0);
 406
 407     long wordsCount = 0;
 408
 409     QString line;
 410     while(!dictionaryFile.atEnd()) {
 411         line = dictionaryFile.readLine();
 412         if(line.contains("<k>")) {
 413             wordsCount++;
 414         }
 415     }
 416     _wordsCount = wordsCount;
 417     dictionaryFile.close();
 418     return wordsCount;
 419 }
 420
 421
 422
 423 bool XdxfPlugin::makeCache(QString dir) {
 424     cachingDialog->setVisible(true);
 425     QCoreApplication::processEvents();
 426     stopped = false;
 427     QFileInfo dictFileN(_settings->value("path"));
 428     QString cachePathN;
 429     cachePathN = QDir::homePath() + "/.mdictionary/"
 430                  + dictFileN.completeBaseName() + ".cache";
 431
 432     QFile dictionaryFile(dictFileN.filePath());
 433
 434
 435     if (!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 436         return 0;
 437     }
 438
 439     QXmlStreamReader reader(&dictionaryFile);
 440
 441
 442     db.setDatabaseName(cachePathN);
 443     if(!db.open()) {
 444         qDebug() << "Database error" << endl;
 445         return false;
 446     }
 447     QCoreApplication::processEvents();
 448     QSqlQuery cur(db);
 449     cur.exec("PRAGMA synchronous = 0");
 450     cur.exec("drop table dict");
 451     QCoreApplication::processEvents();
 452     cur.exec("create table dict(word text ,translation text)");
 453     int counter = 0;
 454     cur.exec("BEGIN;");
 455
 456     QString a;
 457     bool match = false;
 458     QTime timer;
 459     timer.start();
 460     countWords();
 461
 462     int lastProg = -1;
 463
 464
 465     counter=0;
 466     while (!reader.atEnd() && !stopped) {
 467
 468         QCoreApplication::processEvents();
 469        // usleep(50);
 470         reader.readNext();
 471
 472         if(reader.tokenType() == QXmlStreamReader::StartElement) {
 473             if(reader.name()=="k"){
 474                 a = reader.readElementText();
 475                 match = true;
 476             }
 477         }
 478         else if(reader.tokenType() == QXmlStreamReader::Characters) {
 479              if(match) {
 480                 QString temp("");
 481                 while(reader.name()!="ar" && !reader.atEnd()) {
 482                     if(reader.name()!="") {
 483                         if(reader.tokenType()==QXmlStreamReader::EndElement)
 484                             temp+=tr("</");
 485                         if(reader.tokenType()==QXmlStreamReader::StartElement)
 486                             temp+=tr("<");
 487                         temp=temp+reader.name().toString() + tr(">");
 488                     }
 489                     temp+= reader.text().toString();
 490                     reader.readNext();
 491                 }
 492                 temp=tr("<t>") + temp.replace("\n","") + tr("</t>");
 493                 match = false;
 494                 cur.prepare("insert into dict values(?,?)");
 495                 cur.addBindValue(a);
 496                 cur.addBindValue(temp);
 497                 cur.exec();
 498                 counter++;
 499                 int prog = counter*100/_wordsCount;
 500                 if(prog % 5 == 0 && lastProg != prog) {
 501                     Q_EMIT updateCachingProgress(prog,
 502                                                  timer.restart());
 503                     lastProg = prog;
 504                 }
 505             }
 506
 507         }
 508     }
 509
 510     cur.exec("END;");
 511     cur.exec("select count(*) from dict");
 512
 513     countWords();
 514     cachingDialog->setVisible(false);
 515
 516     if(!cur.next() || countWords() != cur.value(0).toInt())
 517         return false;
 518     _settings->setValue("cache_path", cachePathN);
 519     _settings->setValue("cached", "true");
 520
 521     return true;
 522 }
 523
 524
 525 Q_EXPORT_PLUGIN2(xdxf, XdxfPlugin)