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.toLower();
  93         word = word.replace("*", "%");
  94         word = word.replace("?", "_");
  95         word = removeAccents(word);
  96         qDebug() << word;
  97
  98         QSqlQuery cur(db);
  99         cur.prepare("select word from dict where word like ? limit ?");
 100         cur.addBindValue(word);
 101         cur.addBindValue(limit);
 102         cur.exec();
 103         while(cur.next())
 104             translations.insert(new TranslationXdxf(
 105                         cur.value(0).toString().toLower(),
 106                         _infoNote, this));
 107         return translations.toList();
 108 }
 109
 110
 111
 112 QList<Translation*> XdxfPlugin::searchWordListFile(QString word, int limit) {
 113     QSet<Translation*> translations;
 114     QFile dictionaryFile(path);
 115
 116     word = word.toLower();
 117     word = removeAccents(word);
 118
 119     stopped = false;
 120     QRegExp regWord(word);
 121     regWord.setCaseSensitivity(Qt::CaseInsensitive);
 122     regWord.setPatternSyntax(QRegExp::Wildcard);
 123     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 124         qDebug()<<"Error: could not open file";
 125         return translations.toList();
 126     }
 127
 128     QXmlStreamReader dictionaryReader(&dictionaryFile);
 129     /*search words list*/
 130     QString a;
 131     int i=0;
 132     while(!dictionaryReader.atEnd() && !stopped){
 133         dictionaryReader.readNextStartElement();
 134         if(dictionaryReader.name()=="ar"){
 135             while(dictionaryReader.name()!="k" && !dictionaryReader.atEnd())
 136                 dictionaryReader.readNextStartElement();
 137             if(!dictionaryReader.atEnd())
 138                 a = dictionaryReader.readElementText();
 139             if(regWord.exactMatch(removeAccents(a)) && (i<limit || limit==0)) {
 140                 bool ok=true;
 141                 Translation *tran;
 142                 foreach(tran,translations) {
 143                     if(tran->key()==a)
 144                         ok=false;  /*if key word is in the dictionary more that one */
 145                 }
 146                 if(ok)  /*add key word to list*/
 147                     translations<<(new TranslationXdxf(a.toLower(),
 148                                 _infoNote,this));
 149                 i++;
 150                 if(i>=limit && limit!=0)
 151                     break;
 152             }
 153         }
 154         this->thread()->yieldCurrentThread();
 155     }
 156     stopped=false;
 157     dictionaryFile.close();
 158     return translations.toList();
 159 }
 160
 161 QString XdxfPlugin::search(QString key) {
 162 //    if(_settings->value("cached") == "true")
 163     if(isCached())
 164         return searchCache(key);
 165     return searchFile(key);
 166 }
 167
 168
 169
 170 QString XdxfPlugin::searchCache(QString key) {
 171     QString result;
 172     QString cacheFilePath = _settings->value("cache_path");
 173     db.setDatabaseName(cacheFilePath);
 174     key = key.toLower();
 175
 176     if(!db.open()) {
 177         qDebug() << "Database error" << db.lastError().text() << endl;
 178         return searchFile(key);
 179     }
 180
 181     QSqlQuery cur(db);
 182     cur.prepare("select translation from dict where word like ? limit 1");
 183     cur.addBindValue(key);
 184     cur.exec();
 185     if(cur.next())
 186         result = cur.value(0).toString();
 187     return result;
 188
 189 }
 190
 191
 192
 193
 194 QString XdxfPlugin::searchFile(QString key) {
 195     key = key.toLower();
 196     QFile dictionaryFile(path);
 197     QString resultString("");
 198     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 199         qDebug()<<"Error: could not open file";
 200         return "";
 201     }
 202     QXmlStreamReader dictionaryReader(&dictionaryFile);
 203
 204
 205     QString a;
 206
 207     bool match =false;
 208     stopped = false;
 209     while (!dictionaryReader.atEnd()&& !stopped) {
 210         dictionaryReader.readNext();
 211         if(dictionaryReader.tokenType() == QXmlStreamReader::StartElement) {
 212             if(dictionaryReader.name()=="k") {
 213                 a = dictionaryReader.readElementText();
 214                 if(a==key)
 215                     match = true;
 216             }
 217         }
 218         else if(dictionaryReader.tokenType() == QXmlStreamReader::Characters) {
 219             if(match) {
 220  /*             QString temp(dictionaryReader.text().toString());
 221                 if(temp=="\n")
 222                     temp=dictionaryReader.readElementText();
 223                 temp.replace("\n","");
 224                 if(temp == ""){
 225                     int i=0;
 226                     while(dictionaryReader.name()!="ar"&&
 227                                 !dictionaryReader.atEnd()){
 228                         dictionaryReader.readNext();
 229                         if(dictionaryReader.name()!="" &&
 230                                          dictionaryReader.name()!="ar") {
 231                             if(dictionaryReader.tokenType()==QXmlStreamReader::EndElement)
 232                                 temp+=tr("</");
 233                             if(dictionaryReader.tokenType()==QXmlStreamReader::StartElement)
 234                                 temp+=tr("<");
 235                             qDebug()<<dictionaryReader.tokenType();
 236                             temp=temp+dictionaryReader.name().toString() + tr(">");
 237                             i++;
 238                         }
 239                         temp+=dictionaryReader.text().toString();
 240                     }
 241                 }
 242                 resultString+=temp.replace("\n","")+"\n";
 243                 match=false;
 244 */
 245                 QString temp("");
 246                 while(dictionaryReader.name()!="ar" && !dictionaryReader.atEnd()) {
 247                     if(dictionaryReader.name()!="") {
 248                         if(dictionaryReader.tokenType()==QXmlStreamReader::EndElement)
 249                             temp+=tr("</");
 250                         if(dictionaryReader.tokenType()==QXmlStreamReader::StartElement)
 251                             temp+=tr("<");
 252                         temp=temp+dictionaryReader.name().toString() + tr(">");
 253                     }
 254                     temp+= dictionaryReader.text().toString();
 255                     dictionaryReader.readNext();
 256                 }
 257                 resultString+=tr("<t>") + temp.replace("\n","") + tr("</t>");
 258                 match=false;
 259             }
 260         }
 261         this->thread()->yieldCurrentThread();
 262     }
 263     stopped=false;
 264     dictionaryFile.close();
 265     return resultString;
 266 }
 267
 268 void XdxfPlugin::stop() {
 269     stopped=true;
 270 }
 271
 272 DictDialog* XdxfPlugin::dictDialog() {
 273      return _dictDialog;
 274 }
 275
 276 void XdxfPlugin::setPath(QString path){
 277     this->path=path;
 278     _settings->setValue("path",path);
 279     //getDictionaryInfo();
 280 }
 281
 282
 283 CommonDictInterface* XdxfPlugin::getNew(const Settings *settings) const {
 284     XdxfPlugin *plugin = new XdxfPlugin();
 285     if(settings){
 286         plugin->setPath(settings->value("path"));
 287
 288         QStringList list = settings->keys();
 289         foreach(QString key, list)
 290             plugin->settings()->setValue(key, settings->value(key));
 291
 292
 293         plugin->db_name = plugin->_settings->value("type")
 294                + plugin->_settings->value("path");
 295         plugin->db = QSqlDatabase::addDatabase("QSQLITE", plugin->db_name);
 296
 297         if(settings->value("cached").isEmpty() &&
 298            settings->value("generateCache") == "true") {
 299             plugin->makeCache("");
 300         }
 301     }
 302
 303     plugin->getDictionaryInfo();
 304     return  plugin;
 305 }
 306
 307 bool XdxfPlugin::isAvailable() const {
 308     return true;
 309 }
 310
 311 void XdxfPlugin::setHash(uint _hash) {
 312     this->_hash=_hash;
 313 }
 314
 315 uint XdxfPlugin::hash() const {
 316    return _hash;
 317 }
 318
 319 Settings* XdxfPlugin::settings() {
 320     return _settings;
 321 }
 322
 323 bool XdxfPlugin::isCached() {
 324     if(_settings->value("cached") == "true")
 325         return true;
 326     return false;
 327 }
 328
 329 void XdxfPlugin::setSettings(Settings *settings) {
 330
 331     QString oldPath = _settings->value("path");
 332     if(oldPath != settings->value("path")) {
 333         setPath(settings->value("path"));
 334     }
 335
 336     if((_settings->value("cached") == "false" ||
 337         _settings->value("cached").isEmpty()) &&
 338        settings->value("generateCache") == "true") {
 339         makeCache("");
 340     }
 341     else {
 342        _settings->setValue("cached", "false");
 343     }
 344
 345     emit settingsChanged();
 346 }
 347
 348
 349 void XdxfPlugin::getDictionaryInfo() {
 350     QFile dictionaryFile(path);
 351     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 352         qDebug()<<"Error: could not open file";
 353         return;
 354     }
 355
 356     QXmlStreamReader dictionaryReader(&dictionaryFile);
 357     dictionaryReader.readNextStartElement();
 358     if(dictionaryReader.name()=="xdxf") {
 359       if(dictionaryReader.attributes().hasAttribute("lang_from"))
 360         _langFrom = dictionaryReader.attributes().value("lang_from").toString();
 361       if(dictionaryReader.attributes().hasAttribute("lang_to"))
 362         _langTo = dictionaryReader.attributes().value("lang_to").toString();
 363     }
 364     dictionaryReader.readNextStartElement();
 365     if(dictionaryReader.name()=="full_name")
 366         _name=dictionaryReader.readElementText();
 367     dictionaryReader.readNextStartElement();
 368     if(dictionaryReader.name()=="description")
 369         _infoNote=dictionaryReader.readElementText();
 370
 371     dictionaryFile.close();
 372 }
 373
 374 QString XdxfPlugin::removeAccents(QString string) {
 375     string = string.replace(QString::fromUtf8("ł"), "l", Qt::CaseInsensitive);
 376     QString normalized = string.normalized(QString::NormalizationForm_D);
 377     normalized = normalized;
 378     for(int i=0; i<normalized.size(); i++) {
 379         if( !normalized[i].isLetterOrNumber() &&
 380             !normalized[i].isSpace() &&
 381             !normalized[i].isDigit() &&
 382             normalized[i] != '*' &&
 383             normalized[i] != '%' &&
 384             normalized[i] != '_' &&
 385             normalized[i] != '?' ) {
 386             normalized.remove(i,1);
 387         }
 388     }
 389     return normalized;
 390 }
 391
 392 QIcon* XdxfPlugin::icon() {
 393     return &_icon;
 394 }
 395
 396 int XdxfPlugin::countWords() {
 397     if(_wordsCount > 0)
 398         return _wordsCount;
 399
 400     QFile dictionaryFile(path);
 401     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 402         qDebug()<<"Error: could not open file";
 403         return -1;
 404     }
 405
 406     dictionaryFile.seek(0);
 407
 408     long wordsCount = 0;
 409
 410     QString line;
 411     while(!dictionaryFile.atEnd()) {
 412         line = dictionaryFile.readLine();
 413         if(line.contains("<k>")) {
 414             wordsCount++;
 415         }
 416     }
 417     _wordsCount = wordsCount;
 418     dictionaryFile.close();
 419     return wordsCount;
 420 }
 421
 422
 423
 424 bool XdxfPlugin::makeCache(QString dir) {
 425     cachingDialog->setVisible(true);
 426     QCoreApplication::processEvents();
 427     stopped = false;
 428     QFileInfo dictFileN(_settings->value("path"));
 429     QString cachePathN;
 430     cachePathN = QDir::homePath() + "/.mdictionary/"
 431                  + dictFileN.completeBaseName() + ".cache";
 432
 433     QFile dictionaryFile(dictFileN.filePath());
 434
 435
 436     if (!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 437         return 0;
 438     }
 439
 440     QXmlStreamReader reader(&dictionaryFile);
 441
 442     db.setDatabaseName(cachePathN);
 443     if(!db.open()) {
 444         qDebug() << "Database error" << db.lastError().text() << 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         reader.readNext();
 470
 471         if(reader.tokenType() == QXmlStreamReader::StartElement) {
 472             if(reader.name()=="k"){
 473                 a = reader.readElementText();
 474                 match = true;
 475             }
 476         }
 477         else if(reader.tokenType() == QXmlStreamReader::Characters) {
 478              if(match) {
 479                 QString temp("");
 480                 while(reader.name()!="ar" && !reader.atEnd()) {
 481                     if(reader.name()!="") {
 482                         if(reader.tokenType()==QXmlStreamReader::EndElement)
 483                             temp+=tr("</");
 484                         if(reader.tokenType()==QXmlStreamReader::StartElement)
 485                             temp+=tr("<");
 486                         temp=temp+reader.name().toString() + tr(">");
 487                     }
 488                     temp+= reader.text().toString();
 489                     reader.readNext();
 490                 }
 491                 temp=tr("<t>") + temp.replace("\n","") + tr("</t>");
 492                 match = false;
 493                 cur.prepare("insert into dict values(?,?)");
 494                 cur.addBindValue(a);
 495                 cur.addBindValue(temp);
 496                 cur.exec();
 497                 counter++;
 498                 int prog = counter*100/_wordsCount;
 499                 if(prog % 5 == 0 && lastProg != prog) {
 500                     Q_EMIT updateCachingProgress(prog,
 501                                                  timer.restart());
 502                     lastProg = prog;
 503                 }
 504             }
 505
 506         }
 507     }
 508
 509     cur.exec("END;");
 510     cur.exec("select count(*) from dict");
 511
 512     countWords();
 513     cachingDialog->setVisible(false);
 514
 515     if(!cur.next() || countWords() != cur.value(0).toInt())
 516         return false;
 517     _settings->setValue("cache_path", cachePathN);
 518     _settings->setValue("cached", "true");
 519
 520     return true;
 521 }
 522
 523
 524 Q_EXPORT_PLUGIN2(xdxf, XdxfPlugin)