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(isCached())
  72         return searchWordListCache(word,limit);
  73     return searchWordListFile(word, limit);
  74 }
  75
  76 QList<Translation*> XdxfPlugin::searchWordListCache(QString word, int limit) {
  77
  78     QSet<Translation*> translations;
  79     QString cacheFilePath = _settings->value("cache_path");
  80         db.setDatabaseName(cacheFilePath);
  81         if(!db.open()) {
  82             qDebug() << "Database error" << db.lastError().text() << endl;
  83             return searchWordListFile(word, limit);
  84         }
  85
  86         stopped = false;
  87         if(word.indexOf("*")==-1 && word.indexOf("?")== 0)
  88             word+="%";
  89         word = word.replace("*", "%");
  90         word = word.replace("?", "_");
  91         word = removeAccents(word);
  92         qDebug() << word;
  93
  94         QSqlQuery cur(db);
  95         cur.prepare("select word from dict where word like ? limit ?");
  96         cur.addBindValue(word);
  97         cur.addBindValue(limit);
  98         cur.exec();
  99         while(cur.next())
 100             translations.insert(new TranslationXdxf(cur.value(0).toString(),
 101                                                     _infoNote, this));
 102         return translations.toList();
 103 }
 104
 105
 106
 107 QList<Translation*> XdxfPlugin::searchWordListFile(QString word, int limit) {
 108     QSet<Translation*> translations;
 109     QFile dictionaryFile(path);
 110
 111     word = removeAccents(word);
 112
 113     stopped = false;
 114     if(word.indexOf("*")==-1)
 115         word+="*";
 116     QRegExp regWord(word);
 117     regWord.setCaseSensitivity(Qt::CaseInsensitive);
 118     regWord.setPatternSyntax(QRegExp::Wildcard);
 119     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 120         qDebug()<<"Error: could not open file";
 121         return translations.toList();
 122     }
 123
 124     QXmlStreamReader dictionaryReader(&dictionaryFile);
 125     /*search words list*/
 126     QString a;
 127     int i=0;
 128     while(!dictionaryReader.atEnd() && !stopped){
 129         dictionaryReader.readNextStartElement();
 130         if(dictionaryReader.name()=="ar"){
 131             while(dictionaryReader.name()!="k" && !dictionaryReader.atEnd())
 132                 dictionaryReader.readNextStartElement();
 133             if(!dictionaryReader.atEnd())
 134                 a = dictionaryReader.readElementText();
 135             if(regWord.exactMatch(removeAccents(a)) && (i<limit || limit==0)) {
 136                 bool ok=true;
 137                 Translation *tran;
 138                 foreach(tran,translations)
 139                 {
 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                 temp.replace("\n","");
 216                 if(temp == ""){
 217                     while(dictionaryReader.name()!="ar"&&
 218                                 !dictionaryReader.atEnd()){
 219                         dictionaryReader.readNext();
 220                         temp+=dictionaryReader.text().toString();
 221                     }
 222                 }
 223                 resultString+=temp.replace("\n","")+"\n";
 224                 match=false;
 225             }
 226         }
 227         this->thread()->yieldCurrentThread();
 228     }
 229     stopped=false;
 230     dictionaryFile.close();
 231     return resultString;
 232 }
 233
 234 void XdxfPlugin::stop() {
 235     stopped=true;
 236 }
 237
 238 DictDialog* XdxfPlugin::dictDialog() {
 239      return _dictDialog;
 240 }
 241
 242 void XdxfPlugin::setPath(QString path){
 243     this->path=path;
 244     _settings->setValue("path",path);
 245     //getDictionaryInfo();
 246 }
 247
 248
 249 CommonDictInterface* XdxfPlugin::getNew(const Settings *settings) const {
 250     XdxfPlugin *plugin = new XdxfPlugin();
 251     if(settings){
 252         plugin->setPath(settings->value("path"));
 253
 254         QStringList list = settings->keys();
 255         foreach(QString key, list)
 256             plugin->settings()->setValue(key, settings->value(key));
 257
 258
 259         plugin->db_name = plugin->_settings->value("type")
 260                + plugin->_settings->value("path");
 261         plugin->db = QSqlDatabase::addDatabase("QSQLITE", plugin->db_name);
 262
 263         if(settings->value("cached").isEmpty() &&
 264            settings->value("generateCache") == "true") {
 265             plugin->makeCache("");
 266         }
 267     }
 268
 269     plugin->getDictionaryInfo();
 270     return  plugin;
 271 }
 272
 273 bool XdxfPlugin::isAvailable() const {
 274     return true;
 275 }
 276
 277 void XdxfPlugin::setHash(uint _hash)
 278 {
 279     this->_hash=_hash;
 280 }
 281
 282 uint XdxfPlugin::hash() const
 283 {
 284    return _hash;
 285 }
 286
 287 Settings* XdxfPlugin::settings() {
 288     return _settings;
 289 }
 290
 291 bool XdxfPlugin::isCached()
 292 {
 293     if(_settings->value("cached") == "true")
 294         return true;
 295     return false;
 296 }
 297
 298 void XdxfPlugin::setSettings(Settings *settings) {
 299
 300     QString oldPath = _settings->value("path");
 301     if(oldPath != settings->value("path")) {
 302         setPath(settings->value("path"));
 303     }
 304
 305     if((_settings->value("cached") == "false" ||
 306         _settings->value("cached").isEmpty()) &&
 307        settings->value("generateCache") == "true") {
 308         makeCache("");
 309     }
 310     else {
 311        _settings->setValue("cached", "false");
 312     }
 313
 314     emit settingsChanged();
 315 }
 316
 317
 318 void XdxfPlugin::getDictionaryInfo() {
 319     QFile dictionaryFile(path);
 320     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 321         qDebug()<<"Error: could not open file";
 322         return;
 323     }
 324
 325     QXmlStreamReader dictionaryReader(&dictionaryFile);
 326     dictionaryReader.readNextStartElement();
 327     if(dictionaryReader.name()=="xdxf") {
 328       if(dictionaryReader.attributes().hasAttribute("lang_from"))
 329         _langFrom = dictionaryReader.attributes().value("lang_from").toString();
 330       if(dictionaryReader.attributes().hasAttribute("lang_to"))
 331         _langTo = dictionaryReader.attributes().value("lang_to").toString();
 332     }
 333     dictionaryReader.readNextStartElement();
 334     if(dictionaryReader.name()=="full_name")
 335         _name=dictionaryReader.readElementText();
 336     dictionaryReader.readNextStartElement();
 337     if(dictionaryReader.name()=="description")
 338         _infoNote=dictionaryReader.readElementText();
 339
 340     dictionaryFile.close();
 341 }
 342
 343 QString XdxfPlugin::removeAccents(QString string) {
 344
 345     string = string.replace(QString::fromUtf8("ł"), "l", Qt::CaseInsensitive);
 346     QString normalized = string.normalized(QString::NormalizationForm_D);
 347     normalized = normalized;
 348     for(int i=0; i<normalized.size(); i++) {
 349         if( !normalized[i].isLetterOrNumber() &&
 350             !normalized[i].isSpace() &&
 351             !normalized[i].isDigit() &&
 352             normalized[i] != '*' &&
 353             normalized[i] != '%' &&
 354             normalized[i] != '_' &&
 355             normalized[i] != '?' ) {
 356             normalized.remove(i,1);
 357         }
 358     }
 359     return normalized;
 360 }
 361
 362 QIcon* XdxfPlugin::icon() {
 363     return &_icon;
 364 }
 365
 366 int XdxfPlugin::countWords() {
 367     if(_wordsCount > 0)
 368         return _wordsCount;
 369
 370     QFile dictionaryFile(path);
 371     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 372         qDebug()<<"Error: could not open file";
 373         return -1;
 374     }
 375
 376     dictionaryFile.seek(0);
 377
 378     long wordsCount = 0;
 379
 380     QString line;
 381     while(!dictionaryFile.atEnd()) {
 382         line = dictionaryFile.readLine();
 383         if(line.contains("<k>")) {
 384             wordsCount++;
 385         }
 386     }
 387     _wordsCount = wordsCount;
 388     dictionaryFile.close();
 389     return wordsCount;
 390 }
 391
 392
 393
 394 bool XdxfPlugin::makeCache(QString dir) {
 395     cachingDialog->setVisible(true);
 396     QCoreApplication::processEvents();
 397     stopped = false;
 398     QFileInfo dictFileN(_settings->value("path"));
 399     QString cachePathN;
 400     cachePathN = QDir::homePath() + "/.mdictionary/"
 401                  + dictFileN.completeBaseName() + ".cache";
 402
 403     QFile dictionaryFile(dictFileN.filePath());
 404
 405
 406     if (!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 407         return 0;
 408     }
 409
 410     QXmlStreamReader reader(&dictionaryFile);
 411
 412
 413     db.setDatabaseName(cachePathN);
 414     if(!db.open()) {
 415         qDebug() << "Database error" << endl;
 416         return false;
 417     }
 418     QCoreApplication::processEvents();
 419     QSqlQuery cur(db);
 420     cur.exec("PRAGMA synchronous = 0");
 421     cur.exec("drop table dict");
 422     QCoreApplication::processEvents();
 423     cur.exec("create table dict(word text ,translation text)");
 424     int counter = 0;
 425     cur.exec("BEGIN;");
 426
 427     QString a;
 428     bool match = false;
 429     QTime timer;
 430     timer.start();
 431     countWords();
 432
 433     int lastProg = -1;
 434
 435
 436     counter=0;
 437     while (!reader.atEnd() && !stopped) {
 438
 439         QCoreApplication::processEvents();
 440         usleep(50);
 441         reader.readNext();
 442
 443         if(reader.tokenType() == QXmlStreamReader::StartElement) {
 444             if(reader.name()=="k"){
 445                 a = reader.readElementText();
 446                 match = true;
 447             }
 448         }
 449         else if(reader.tokenType() == QXmlStreamReader::Characters) {
 450              if(match) {
 451                 QString temp(reader.text().toString());
 452                 temp.replace("\n","");
 453                 if(temp == ""){
 454                     while(reader.name()!="ar"&&
 455                                 !reader.atEnd()){
 456                         reader.readNext();
 457                         temp+=reader.text().toString();
 458                     }
 459                 }
 460                 match = false;
 461                 cur.prepare("insert into dict values(?,?)");
 462                 cur.addBindValue(a);
 463                 cur.addBindValue(temp);
 464                 cur.exec();
 465                 counter++;
 466                 int prog = counter*100/_wordsCount;
 467                 if(prog % 5 == 0 && lastProg != prog) {
 468                     Q_EMIT updateCachingProgress(prog,
 469                                                  timer.restart());
 470                     lastProg = prog;
 471                 }
 472             }
 473
 474         }
 475     }
 476
 477     cur.exec("END;");
 478     cur.exec("select count(*) from dict");
 479
 480     countWords();
 481     cachingDialog->setVisible(false);
 482
 483     if(!cur.next() || countWords() != cur.value(0).toInt())
 484         return false;
 485     _settings->setValue("cache_path", cachePathN);
 486     _settings->setValue("cached", "true");
 487
 488     return true;
 489 }
 490
 491
 492 Q_EXPORT_PLUGIN2(xdxf, XdxfPlugin)