git.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                     if(tran->key()==a)
 141                         ok=false;  /*if key word is in the dictionary more that one */
 142                 }
 143                 if(ok)  /*add key word to list*/
 144                     translations<<(new TranslationXdxf(a,_infoNote,this));
 145                 i++;
 146                 if(i>=limit && limit!=0)
 147                     break;
 148             }
 149         }
 150         this->thread()->yieldCurrentThread();
 151     }
 152     stopped=false;
 153     dictionaryFile.close();
 154     return translations.toList();
 155 }
 156
 157 QString XdxfPlugin::search(QString key) {
 158 //    if(_settings->value("cached") == "true")
 159     if(isCached())
 160         return searchCache(key);
 161     return searchFile(key);
 162 }
 163
 164
 165
 166 QString XdxfPlugin::searchCache(QString key) {
 167     QString result;
 168     QString cacheFilePath = _settings->value("cache_path");
 169     db.setDatabaseName(cacheFilePath);
 170
 171     if(!db.open()) {
 172         qDebug() << "Database error" << db.lastError().text() << endl;
 173         return searchFile(key);
 174     }
 175
 176     QSqlQuery cur(db);
 177     cur.prepare("select translation from dict where word like ? limit 1");
 178     cur.addBindValue(key);
 179     cur.exec();
 180     if(cur.next())
 181         result = cur.value(0).toString();
 182     return result;
 183
 184 }
 185
 186
 187
 188
 189 QString XdxfPlugin::searchFile(QString key) {
 190     QFile dictionaryFile(path);
 191     QString resultString("");
 192     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 193         qDebug()<<"Error: could not open file";
 194         return "";
 195     }
 196     QXmlStreamReader dictionaryReader(&dictionaryFile);
 197
 198
 199     QString a;
 200
 201     bool match =false;
 202     stopped = false;
 203     while (!dictionaryReader.atEnd()&& !stopped) {
 204         dictionaryReader.readNext();
 205         if(dictionaryReader.tokenType() == QXmlStreamReader::StartElement) {
 206             if(dictionaryReader.name()=="k") {
 207                 a = dictionaryReader.readElementText();
 208                 if(a==key)
 209                     match = true;
 210             }
 211         }
 212         else if(dictionaryReader.tokenType() == QXmlStreamReader::Characters) {
 213             if(match) {
 214  /*             QString temp(dictionaryReader.text().toString());
 215                 if(temp=="\n")
 216                     temp=dictionaryReader.readElementText();
 217                 temp.replace("\n","");
 218                 if(temp == ""){
 219                     int i=0;
 220                     while(dictionaryReader.name()!="ar"&&
 221                                 !dictionaryReader.atEnd()){
 222                         dictionaryReader.readNext();
 223                         if(dictionaryReader.name()!="" &&
 224                                          dictionaryReader.name()!="ar") {
 225                             if(dictionaryReader.tokenType()==QXmlStreamReader::EndElement)
 226                                 temp+=tr("</");
 227                             if(dictionaryReader.tokenType()==QXmlStreamReader::StartElement)
 228                                 temp+=tr("<");
 229                             qDebug()<<dictionaryReader.tokenType();
 230                             temp=temp+dictionaryReader.name().toString() + tr(">");
 231                             i++;
 232                         }
 233                         temp+=dictionaryReader.text().toString();
 234                     }
 235                 }
 236                 resultString+=temp.replace("\n","")+"\n";
 237                 match=false;
 238 */
 239                 QString temp("");
 240                 while(dictionaryReader.name()!="ar" && !dictionaryReader.atEnd()) {
 241                     if(dictionaryReader.name()!="") {
 242                         if(dictionaryReader.tokenType()==QXmlStreamReader::EndElement)
 243                             temp+=tr("</");
 244                         if(dictionaryReader.tokenType()==QXmlStreamReader::StartElement)
 245                             temp+=tr("<");
 246                         temp=temp+dictionaryReader.name().toString() + tr(">");
 247                     }
 248                     temp+= dictionaryReader.text().toString();
 249                     dictionaryReader.readNext();
 250                 }
 251                 resultString+=tr("<t>") + temp.replace("\n","") + tr("</t>");
 252                 match=false;
 253             }
 254         }
 255         this->thread()->yieldCurrentThread();
 256     }
 257     stopped=false;
 258     dictionaryFile.close();
 259     return resultString;
 260 }
 261
 262 void XdxfPlugin::stop() {
 263     stopped=true;
 264 }
 265
 266 DictDialog* XdxfPlugin::dictDialog() {
 267      return _dictDialog;
 268 }
 269
 270 void XdxfPlugin::setPath(QString path){
 271     this->path=path;
 272     _settings->setValue("path",path);
 273     //getDictionaryInfo();
 274 }
 275
 276
 277 CommonDictInterface* XdxfPlugin::getNew(const Settings *settings) const {
 278     XdxfPlugin *plugin = new XdxfPlugin();
 279     if(settings){
 280         plugin->setPath(settings->value("path"));
 281
 282         QStringList list = settings->keys();
 283         foreach(QString key, list)
 284             plugin->settings()->setValue(key, settings->value(key));
 285
 286
 287         plugin->db_name = plugin->_settings->value("type")
 288                + plugin->_settings->value("path");
 289         plugin->db = QSqlDatabase::addDatabase("QSQLITE", plugin->db_name);
 290
 291         if(settings->value("cached").isEmpty() &&
 292            settings->value("generateCache") == "true") {
 293             plugin->makeCache("");
 294         }
 295     }
 296
 297     plugin->getDictionaryInfo();
 298     return  plugin;
 299 }
 300
 301 bool XdxfPlugin::isAvailable() const {
 302     return true;
 303 }
 304
 305 void XdxfPlugin::setHash(uint _hash) {
 306     this->_hash=_hash;
 307 }
 308
 309 uint XdxfPlugin::hash() const {
 310    return _hash;
 311 }
 312
 313 Settings* XdxfPlugin::settings() {
 314     return _settings;
 315 }
 316
 317 bool XdxfPlugin::isCached() {
 318     if(_settings->value("cached") == "true")
 319         return true;
 320     return false;
 321 }
 322
 323 void XdxfPlugin::setSettings(Settings *settings) {
 324
 325     QString oldPath = _settings->value("path");
 326     if(oldPath != settings->value("path")) {
 327         setPath(settings->value("path"));
 328     }
 329
 330     if((_settings->value("cached") == "false" ||
 331         _settings->value("cached").isEmpty()) &&
 332        settings->value("generateCache") == "true") {
 333         makeCache("");
 334     }
 335     else {
 336        _settings->setValue("cached", "false");
 337     }
 338
 339     emit settingsChanged();
 340 }
 341
 342
 343 void XdxfPlugin::getDictionaryInfo() {
 344     QFile dictionaryFile(path);
 345     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 346         qDebug()<<"Error: could not open file";
 347         return;
 348     }
 349
 350     QXmlStreamReader dictionaryReader(&dictionaryFile);
 351     dictionaryReader.readNextStartElement();
 352     if(dictionaryReader.name()=="xdxf") {
 353       if(dictionaryReader.attributes().hasAttribute("lang_from"))
 354         _langFrom = dictionaryReader.attributes().value("lang_from").toString();
 355       if(dictionaryReader.attributes().hasAttribute("lang_to"))
 356         _langTo = dictionaryReader.attributes().value("lang_to").toString();
 357     }
 358     dictionaryReader.readNextStartElement();
 359     if(dictionaryReader.name()=="full_name")
 360         _name=dictionaryReader.readElementText();
 361     dictionaryReader.readNextStartElement();
 362     if(dictionaryReader.name()=="description")
 363         _infoNote=dictionaryReader.readElementText();
 364
 365     dictionaryFile.close();
 366 }
 367
 368 QString XdxfPlugin::removeAccents(QString string) {
 369
 370     string = string.replace(QString::fromUtf8("ł"), "l", Qt::CaseInsensitive);
 371     QString normalized = string.normalized(QString::NormalizationForm_D);
 372     normalized = normalized;
 373     for(int i=0; i<normalized.size(); i++) {
 374         if( !normalized[i].isLetterOrNumber() &&
 375             !normalized[i].isSpace() &&
 376             !normalized[i].isDigit() &&
 377             normalized[i] != '*' &&
 378             normalized[i] != '%' &&
 379             normalized[i] != '_' &&
 380             normalized[i] != '?' ) {
 381             normalized.remove(i,1);
 382         }
 383     }
 384     return normalized;
 385 }
 386
 387 QIcon* XdxfPlugin::icon() {
 388     return &_icon;
 389 }
 390
 391 int XdxfPlugin::countWords() {
 392     if(_wordsCount > 0)
 393         return _wordsCount;
 394
 395     QFile dictionaryFile(path);
 396     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 397         qDebug()<<"Error: could not open file";
 398         return -1;
 399     }
 400
 401     dictionaryFile.seek(0);
 402
 403     long wordsCount = 0;
 404
 405     QString line;
 406     while(!dictionaryFile.atEnd()) {
 407         line = dictionaryFile.readLine();
 408         if(line.contains("<k>")) {
 409             wordsCount++;
 410         }
 411     }
 412     _wordsCount = wordsCount;
 413     dictionaryFile.close();
 414     return wordsCount;
 415 }
 416
 417
 418
 419 bool XdxfPlugin::makeCache(QString dir) {
 420     cachingDialog->setVisible(true);
 421     QCoreApplication::processEvents();
 422     stopped = false;
 423     QFileInfo dictFileN(_settings->value("path"));
 424     QString cachePathN;
 425     cachePathN = QDir::homePath() + "/.mdictionary/"
 426                  + dictFileN.completeBaseName() + ".cache";
 427
 428     QFile dictionaryFile(dictFileN.filePath());
 429
 430
 431     if (!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 432         return 0;
 433     }
 434
 435     QXmlStreamReader reader(&dictionaryFile);
 436
 437     db.setDatabaseName(cachePathN);
 438     if(!db.open()) {
 439         qDebug() << "Database error" << db.lastError().text() << endl;
 440         return false;
 441     }
 442     QCoreApplication::processEvents();
 443     QSqlQuery cur(db);
 444     cur.exec("PRAGMA synchronous = 0");
 445     cur.exec("drop table dict");
 446     QCoreApplication::processEvents();
 447     cur.exec("create table dict(word text ,translation text)");
 448     int counter = 0;
 449     cur.exec("BEGIN;");
 450
 451     QString a;
 452     bool match = false;
 453     QTime timer;
 454     timer.start();
 455     countWords();
 456
 457     int lastProg = -1;
 458
 459
 460     counter=0;
 461     while (!reader.atEnd() && !stopped) {
 462
 463         QCoreApplication::processEvents();
 464         reader.readNext();
 465
 466         if(reader.tokenType() == QXmlStreamReader::StartElement) {
 467             if(reader.name()=="k"){
 468                 a = reader.readElementText();
 469                 match = true;
 470             }
 471         }
 472         else if(reader.tokenType() == QXmlStreamReader::Characters) {
 473              if(match) {
 474                 QString temp("");
 475                 while(reader.name()!="ar" && !reader.atEnd()) {
 476                     if(reader.name()!="") {
 477                         if(reader.tokenType()==QXmlStreamReader::EndElement)
 478                             temp+=tr("</");
 479                         if(reader.tokenType()==QXmlStreamReader::StartElement)
 480                             temp+=tr("<");
 481                         temp=temp+reader.name().toString() + tr(">");
 482                     }
 483                     temp+= reader.text().toString();
 484                     reader.readNext();
 485                 }
 486                 temp=tr("<t>") + temp.replace("\n","") + tr("</t>");
 487                 match = false;
 488                 cur.prepare("insert into dict values(?,?)");
 489                 cur.addBindValue(a);
 490                 cur.addBindValue(temp);
 491                 cur.exec();
 492                 counter++;
 493                 int prog = counter*100/_wordsCount;
 494                 if(prog % 5 == 0 && lastProg != prog) {
 495                     Q_EMIT updateCachingProgress(prog,
 496                                                  timer.restart());
 497                     lastProg = prog;
 498                 }
 499             }
 500
 501         }
 502     }
 503
 504     cur.exec("END;");
 505     cur.exec("select count(*) from dict");
 506
 507     countWords();
 508     cachingDialog->setVisible(false);
 509
 510     if(!cur.next() || countWords() != cur.value(0).toInt())
 511         return false;
 512     _settings->setValue("cache_path", cachePathN);
 513     _settings->setValue("cached", "true");
 514
 515     return true;
 516 }
 517
 518
 519 Q_EXPORT_PLUGIN2(xdxf, XdxfPlugin)