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()!="" && dictionaryReader.name()!="ar") {
 225                             if(i%2)
 226                                 temp+=tr("</");
 227                             else
 228                                 temp+=tr("<");
 229                             temp=temp+dictionaryReader.name().toString() + tr(">");
 230                             i++;
 231                         }
 232                         temp+=dictionaryReader.text().toString();
 233                     }
 234                 }
 235                 resultString+=temp.replace("\n","")+"\n";
 236                 match=false;
 237             }
 238         }
 239         this->thread()->yieldCurrentThread();
 240     }
 241     stopped=false;
 242     dictionaryFile.close();
 243     return resultString;
 244 }
 245
 246 void XdxfPlugin::stop() {
 247     stopped=true;
 248 }
 249
 250 DictDialog* XdxfPlugin::dictDialog() {
 251      return _dictDialog;
 252 }
 253
 254 void XdxfPlugin::setPath(QString path){
 255     this->path=path;
 256     _settings->setValue("path",path);
 257     //getDictionaryInfo();
 258 }
 259
 260
 261 CommonDictInterface* XdxfPlugin::getNew(const Settings *settings) const {
 262     XdxfPlugin *plugin = new XdxfPlugin();
 263     if(settings){
 264         plugin->setPath(settings->value("path"));
 265
 266         QStringList list = settings->keys();
 267         foreach(QString key, list)
 268             plugin->settings()->setValue(key, settings->value(key));
 269
 270
 271         plugin->db_name = plugin->_settings->value("type")
 272                + plugin->_settings->value("path");
 273         plugin->db = QSqlDatabase::addDatabase("QSQLITE", plugin->db_name);
 274
 275         if(settings->value("cached").isEmpty() &&
 276            settings->value("generateCache") == "true") {
 277             plugin->makeCache("");
 278         }
 279     }
 280
 281     plugin->getDictionaryInfo();
 282     return  plugin;
 283 }
 284
 285 bool XdxfPlugin::isAvailable() const {
 286     return true;
 287 }
 288
 289 void XdxfPlugin::setHash(uint _hash)
 290 {
 291     this->_hash=_hash;
 292 }
 293
 294 uint XdxfPlugin::hash() const
 295 {
 296    return _hash;
 297 }
 298
 299 Settings* XdxfPlugin::settings() {
 300     return _settings;
 301 }
 302
 303 bool XdxfPlugin::isCached()
 304 {
 305     if(_settings->value("cached") == "true")
 306         return true;
 307     return false;
 308 }
 309
 310 void XdxfPlugin::setSettings(Settings *settings) {
 311
 312     QString oldPath = _settings->value("path");
 313     if(oldPath != settings->value("path")) {
 314         setPath(settings->value("path"));
 315     }
 316
 317     if((_settings->value("cached") == "false" ||
 318         _settings->value("cached").isEmpty()) &&
 319        settings->value("generateCache") == "true") {
 320         makeCache("");
 321     }
 322     else {
 323        _settings->setValue("cached", "false");
 324     }
 325
 326     emit settingsChanged();
 327 }
 328
 329
 330 void XdxfPlugin::getDictionaryInfo() {
 331     QFile dictionaryFile(path);
 332     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 333         qDebug()<<"Error: could not open file";
 334         return;
 335     }
 336
 337     QXmlStreamReader dictionaryReader(&dictionaryFile);
 338     dictionaryReader.readNextStartElement();
 339     if(dictionaryReader.name()=="xdxf") {
 340       if(dictionaryReader.attributes().hasAttribute("lang_from"))
 341         _langFrom = dictionaryReader.attributes().value("lang_from").toString();
 342       if(dictionaryReader.attributes().hasAttribute("lang_to"))
 343         _langTo = dictionaryReader.attributes().value("lang_to").toString();
 344     }
 345     dictionaryReader.readNextStartElement();
 346     if(dictionaryReader.name()=="full_name")
 347         _name=dictionaryReader.readElementText();
 348     dictionaryReader.readNextStartElement();
 349     if(dictionaryReader.name()=="description")
 350         _infoNote=dictionaryReader.readElementText();
 351
 352     dictionaryFile.close();
 353 }
 354
 355 QString XdxfPlugin::removeAccents(QString string) {
 356
 357     string = string.replace(QString::fromUtf8("ł"), "l", Qt::CaseInsensitive);
 358     QString normalized = string.normalized(QString::NormalizationForm_D);
 359     normalized = normalized;
 360     for(int i=0; i<normalized.size(); i++) {
 361         if( !normalized[i].isLetterOrNumber() &&
 362             !normalized[i].isSpace() &&
 363             !normalized[i].isDigit() &&
 364             normalized[i] != '*' &&
 365             normalized[i] != '%' &&
 366             normalized[i] != '_' &&
 367             normalized[i] != '?' ) {
 368             normalized.remove(i,1);
 369         }
 370     }
 371     return normalized;
 372 }
 373
 374 QIcon* XdxfPlugin::icon() {
 375     return &_icon;
 376 }
 377
 378 int XdxfPlugin::countWords() {
 379     if(_wordsCount > 0)
 380         return _wordsCount;
 381
 382     QFile dictionaryFile(path);
 383     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 384         qDebug()<<"Error: could not open file";
 385         return -1;
 386     }
 387
 388     dictionaryFile.seek(0);
 389
 390     long wordsCount = 0;
 391
 392     QString line;
 393     while(!dictionaryFile.atEnd()) {
 394         line = dictionaryFile.readLine();
 395         if(line.contains("<k>")) {
 396             wordsCount++;
 397         }
 398     }
 399     _wordsCount = wordsCount;
 400     dictionaryFile.close();
 401     return wordsCount;
 402 }
 403
 404
 405
 406 bool XdxfPlugin::makeCache(QString dir) {
 407     cachingDialog->setVisible(true);
 408     QCoreApplication::processEvents();
 409     stopped = false;
 410     QFileInfo dictFileN(_settings->value("path"));
 411     QString cachePathN;
 412     cachePathN = QDir::homePath() + "/.mdictionary/"
 413                  + dictFileN.completeBaseName() + ".cache";
 414
 415     QFile dictionaryFile(dictFileN.filePath());
 416
 417
 418     if (!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 419         return 0;
 420     }
 421
 422     QXmlStreamReader reader(&dictionaryFile);
 423
 424
 425     db.setDatabaseName(cachePathN);
 426     if(!db.open()) {
 427         qDebug() << "Database error" << endl;
 428         return false;
 429     }
 430     QCoreApplication::processEvents();
 431     QSqlQuery cur(db);
 432     cur.exec("PRAGMA synchronous = 0");
 433     cur.exec("drop table dict");
 434     QCoreApplication::processEvents();
 435     cur.exec("create table dict(word text ,translation text)");
 436     int counter = 0;
 437     cur.exec("BEGIN;");
 438
 439     QString a;
 440     bool match = false;
 441     QTime timer;
 442     timer.start();
 443     countWords();
 444
 445     int lastProg = -1;
 446
 447
 448     counter=0;
 449     while (!reader.atEnd() && !stopped) {
 450
 451         QCoreApplication::processEvents();
 452        // usleep(50);
 453         reader.readNext();
 454
 455         if(reader.tokenType() == QXmlStreamReader::StartElement) {
 456             if(reader.name()=="k"){
 457                 a = reader.readElementText();
 458                 match = true;
 459             }
 460         }
 461         else if(reader.tokenType() == QXmlStreamReader::Characters) {
 462              if(match) {
 463                 QString temp(reader.text().toString());
 464                 temp.replace("\n","");
 465                 if(temp == ""){
 466                     int i=0;
 467                     while(reader.name()!="ar"&&
 468                                 !reader.atEnd()){
 469                         reader.readNext();
 470                         if(reader.name()!="" && reader.name()!="ar") {
 471                             if(i%2)
 472                                 temp+=tr("</");
 473                             else
 474                                 temp+=tr("<");
 475                             temp=temp+reader.name().toString() + tr(">");
 476                             i++;
 477                         }
 478                         temp+=reader.text().toString();
 479                     }
 480                 }
 481                 match = false;
 482                 cur.prepare("insert into dict values(?,?)");
 483                 cur.addBindValue(a);
 484                 cur.addBindValue(temp);
 485                 cur.exec();
 486                 counter++;
 487                 int prog = counter*100/_wordsCount;
 488                 if(prog % 5 == 0 && lastProg != prog) {
 489                     Q_EMIT updateCachingProgress(prog,
 490                                                  timer.restart());
 491                     lastProg = prog;
 492                 }
 493             }
 494
 495         }
 496     }
 497
 498     cur.exec("END;");
 499     cur.exec("select count(*) from dict");
 500
 501     countWords();
 502     cachingDialog->setVisible(false);
 503
 504     if(!cur.next() || countWords() != cur.value(0).toInt())
 505         return false;
 506     _settings->setValue("cache_path", cachePathN);
 507     _settings->setValue("cached", "true");
 508
 509     return true;
 510 }
 511
 512
 513 Q_EXPORT_PLUGIN2(xdxf, XdxfPlugin)