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         return searchWordListCache(word,limit);
  72     return searchWordListFile(word, limit);
  73 }
  74
  75 QList<Translation*> XdxfPlugin::searchWordListCache(QString word, int limit) {
  76
  77     QSet<Translation*> translations;
  78     QString cacheFilePath = _settings->value("cache_path");
  79         db.setDatabaseName(cacheFilePath);
  80         if(!db.open()) {
  81             qDebug() << "Database error" << db.lastError().text() << endl;
  82             return searchWordListFile(word, limit);
  83         }
  84
  85         stopped = false;
  86         if(word.indexOf("*")==-1)
  87             word+="%";
  88         word = word.replace("*", "%");
  89         word = removeAccents(word);
  90
  91         QSqlQuery cur(db);
  92         cur.prepare("select word from dict where word like ? limit ?");
  93         cur.addBindValue(word);
  94         cur.addBindValue(limit);
  95         cur.exec();
  96         while(cur.next())
  97             translations.insert(new TranslationXdxf(cur.value(0).toString(),
  98                                                     _infoNote, this));
  99         return translations.toList();
 100 }
 101
 102
 103
 104 QList<Translation*> XdxfPlugin::searchWordListFile(QString word, int limit) {
 105     QSet<Translation*> translations;
 106     QFile dictionaryFile(path);
 107
 108     word = removeAccents(word);
 109
 110     stopped = false;
 111     if(word.indexOf("*")==-1)
 112         word+="*";
 113     QRegExp regWord(word);
 114     regWord.setCaseSensitivity(Qt::CaseInsensitive);
 115     regWord.setPatternSyntax(QRegExp::Wildcard);
 116     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 117         qDebug()<<"Error: could not open file";
 118         return translations.toList();
 119     }
 120
 121     QXmlStreamReader dictionaryReader(&dictionaryFile);
 122     /*search words list*/
 123     QString a;
 124     int i=0;
 125     while(!dictionaryReader.atEnd() && !stopped){
 126         dictionaryReader.readNextStartElement();
 127         if(dictionaryReader.name()=="ar"){
 128             while(dictionaryReader.name()!="k" && !dictionaryReader.atEnd())
 129                 dictionaryReader.readNextStartElement();
 130             if(!dictionaryReader.atEnd())
 131                 a = dictionaryReader.readElementText();
 132             if(regWord.exactMatch(removeAccents(a)) && (i<limit || limit==0)) {
 133                 bool ok=true;
 134                 Translation *tran;
 135                 foreach(tran,translations)
 136                 {
 137                     if(tran->key()==a)
 138                         ok=false;  /*if key word is in the dictionary more that one */
 139                 }
 140                 if(ok)  /*add key word to list*/
 141                     translations<<(new TranslationXdxf(a,_infoNote,this));
 142                 i++;
 143                 if(i>=limit && limit!=0)
 144                     break;
 145             }
 146         }
 147         this->thread()->yieldCurrentThread();
 148     }
 149     stopped=false;
 150     dictionaryFile.close();
 151     return translations.toList();
 152 }
 153
 154 QString XdxfPlugin::search(QString key) {
 155     if(_settings->value("cached") == "true")
 156         return searchCache(key);
 157     return searchFile(key);
 158 }
 159
 160
 161
 162 QString XdxfPlugin::searchCache(QString key) {
 163     QString result;
 164     QString cacheFilePath = _settings->value("cache_path");
 165     db.setDatabaseName(cacheFilePath);
 166
 167     if(!db.open()) {
 168         qDebug() << "Database error" << db.lastError().text() << endl;
 169         return searchFile(key);
 170     }
 171
 172     QSqlQuery cur(db);
 173     cur.prepare("select translation from dict where word like ? limit 1");
 174     cur.addBindValue(key);
 175     cur.exec();
 176     if(cur.next())
 177         result = cur.value(0).toString();
 178     return result;
 179
 180 }
 181
 182
 183
 184
 185 QString XdxfPlugin::searchFile(QString key) {
 186     QFile dictionaryFile(path);
 187     QString resultString("");
 188     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 189         qDebug()<<"Error: could not open file";
 190         return "";
 191     }
 192     QXmlStreamReader dictionaryReader(&dictionaryFile);
 193
 194
 195     QString a;
 196
 197     bool match =false;
 198     stopped = false;
 199     while (!dictionaryReader.atEnd()&& !stopped) {
 200         dictionaryReader.readNext();
 201         if(dictionaryReader.tokenType() == QXmlStreamReader::StartElement) {
 202             if(dictionaryReader.name()=="k") {
 203                 a = dictionaryReader.readElementText();
 204                 if(a==key)
 205                     match = true;
 206             }
 207         }
 208         else if(dictionaryReader.tokenType() == QXmlStreamReader::Characters) {
 209             if(match) {
 210                 QString temp(dictionaryReader.text().toString());
 211                 temp.replace("\n","");
 212                 if(temp == ""){
 213                     while(dictionaryReader.name()!="ar"&&
 214                                 !dictionaryReader.atEnd()){
 215                         dictionaryReader.readNext();
 216                         temp+=dictionaryReader.text().toString();
 217                     }
 218                 }
 219                 resultString+=temp.replace("\n","")+"\n";
 220                 match=false;
 221             }
 222         }
 223         this->thread()->yieldCurrentThread();
 224     }
 225     stopped=false;
 226     dictionaryFile.close();
 227     return resultString;
 228 }
 229
 230 void XdxfPlugin::stop() {
 231     stopped=true;
 232 }
 233
 234 DictDialog* XdxfPlugin::dictDialog() {
 235      return _dictDialog;
 236 }
 237
 238 void XdxfPlugin::setPath(QString path){
 239     this->path=path;
 240     _settings->setValue("path",path);
 241     //getDictionaryInfo();
 242 }
 243
 244
 245 CommonDictInterface* XdxfPlugin::getNew(const Settings *settings) const {
 246     XdxfPlugin *plugin = new XdxfPlugin();
 247     if(settings){
 248         plugin->setPath(settings->value("path"));
 249
 250         QStringList list = settings->keys();
 251         foreach(QString key, list)
 252             plugin->settings()->setValue(key, settings->value(key));
 253
 254
 255         plugin->db_name = plugin->_settings->value("type")
 256                + plugin->_settings->value("path");
 257         plugin->db = QSqlDatabase::addDatabase("QSQLITE", plugin->db_name);
 258
 259         if(settings->value("cached").isEmpty() &&
 260            settings->value("generateCache") == "true") {
 261             plugin->makeCache("");
 262         }
 263     }
 264
 265     plugin->getDictionaryInfo();
 266     return  plugin;
 267 }
 268
 269 bool XdxfPlugin::isAvailable() const {
 270     return true;
 271 }
 272
 273 void XdxfPlugin::setHash(uint _hash)
 274 {
 275     this->_hash=_hash;
 276 }
 277
 278 uint XdxfPlugin::hash() const
 279 {
 280    return _hash;
 281 }
 282
 283 Settings* XdxfPlugin::settings() {
 284     return _settings;
 285 }
 286
 287 bool XdxfPlugin::isCached()
 288 {
 289     return false;
 290 }
 291
 292 void XdxfPlugin::setSettings(Settings *settings) {
 293
 294     QString oldPath = _settings->value("path");
 295     if(oldPath != settings->value("path")) {
 296         setPath(settings->value("path"));
 297     }
 298
 299     if((_settings->value("cached") == "false" ||
 300         _settings->value("cached").isEmpty()) &&
 301        settings->value("generateCache") == "true") {
 302         makeCache("");
 303     }
 304     else {
 305        _settings->setValue("cached", "false");
 306     }
 307
 308     emit settingsChanged();
 309 }
 310
 311
 312 void XdxfPlugin::getDictionaryInfo() {
 313     QFile dictionaryFile(path);
 314     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 315         qDebug()<<"Error: could not open file";
 316         return;
 317     }
 318
 319     QXmlStreamReader dictionaryReader(&dictionaryFile);
 320     dictionaryReader.readNextStartElement();
 321     if(dictionaryReader.name()=="xdxf") {
 322       if(dictionaryReader.attributes().hasAttribute("lang_from"))
 323         _langFrom = dictionaryReader.attributes().value("lang_from").toString();
 324       if(dictionaryReader.attributes().hasAttribute("lang_to"))
 325         _langTo = dictionaryReader.attributes().value("lang_to").toString();
 326     }
 327     dictionaryReader.readNextStartElement();
 328     if(dictionaryReader.name()=="full_name")
 329         _name=dictionaryReader.readElementText();
 330     dictionaryReader.readNextStartElement();
 331     if(dictionaryReader.name()=="description")
 332         _infoNote=dictionaryReader.readElementText();
 333
 334     dictionaryFile.close();
 335 }
 336
 337 QString XdxfPlugin::removeAccents(QString string) {
 338
 339     string = string.replace(QString::fromUtf8("ł"), "l", Qt::CaseInsensitive);
 340     QString normalized = string.normalized(QString::NormalizationForm_D);
 341     normalized = normalized;
 342     for(int i=0; i<normalized.size(); i++) {
 343         if( !normalized[i].isLetterOrNumber() &&
 344             !normalized[i].isSpace() &&
 345             !normalized[i].isDigit() &&
 346             normalized[i] != '*' &&
 347             normalized[i] != '%') {
 348             normalized.remove(i,1);
 349         }
 350     }
 351     return normalized;
 352 }
 353
 354 QIcon* XdxfPlugin::icon() {
 355     return &_icon;
 356 }
 357
 358 int XdxfPlugin::countWords() {
 359     if(_wordsCount > 0)
 360         return _wordsCount;
 361
 362     QFile dictionaryFile(path);
 363     if(!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 364         qDebug()<<"Error: could not open file";
 365         return -1;
 366     }
 367
 368     dictionaryFile.seek(0);
 369
 370     long wordsCount = 0;
 371
 372     QString line;
 373     while(!dictionaryFile.atEnd()) {
 374         line = dictionaryFile.readLine();
 375         if(line.contains("<k>")) {
 376             wordsCount++;
 377         }
 378     }
 379     _wordsCount = wordsCount;
 380     dictionaryFile.close();
 381     return wordsCount;
 382 }
 383
 384
 385
 386 bool XdxfPlugin::makeCache(QString dir) {
 387     cachingDialog->setVisible(true);
 388     QCoreApplication::processEvents();
 389     stopped = false;
 390     QFileInfo dictFileN(_settings->value("path"));
 391     QString cachePathN;
 392     cachePathN = QDir::homePath() + "/.mdictionary/"
 393                  + dictFileN.completeBaseName() + ".cache";
 394
 395     QFile dictionaryFile(dictFileN.filePath());
 396
 397
 398     if (!dictionaryFile.open(QFile::ReadOnly | QFile::Text)) {
 399         return 0;
 400     }
 401
 402     QXmlStreamReader reader(&dictionaryFile);
 403
 404
 405     db.setDatabaseName(cachePathN);
 406     if(!db.open()) {
 407         qDebug() << "Database error" << endl;
 408         return false;
 409     }
 410     QCoreApplication::processEvents();
 411     QSqlQuery cur(db);
 412     cur.exec("PRAGMA synchronous = 0");
 413     cur.exec("drop table dict");
 414     QCoreApplication::processEvents();
 415     cur.exec("create table dict(word text ,translation text)");
 416     int counter = 0;
 417     cur.exec("BEGIN;");
 418
 419     QString a;
 420     bool match = false;
 421     QTime timer;
 422     timer.start();
 423     countWords();
 424
 425     int lastProg = -1;
 426
 427
 428     counter=0;
 429     while (!reader.atEnd() && !stopped) {
 430
 431         QCoreApplication::processEvents();
 432         //usleep(50);
 433         reader.readNext();
 434
 435         if(reader.tokenType() == QXmlStreamReader::StartElement) {
 436             if(reader.name()=="k"){
 437                 a = reader.readElementText();
 438                 match = true;
 439             }
 440         }
 441         else if(reader.tokenType() == QXmlStreamReader::Characters) {
 442              if(match) {
 443                 QString temp(reader.text().toString());
 444                 temp.replace("\n","");
 445                 if(temp == ""){
 446                     while(reader.name()!="ar"&&
 447                                 !reader.atEnd()){
 448                         reader.readNext();
 449                         temp+=reader.text().toString();
 450                     }
 451                 }
 452                 match = false;
 453                 cur.prepare("insert into dict values(?,?)");
 454                 cur.addBindValue(a);
 455                 cur.addBindValue(temp);
 456                 cur.exec();
 457                 counter++;
 458                 int prog = counter*100/_wordsCount;
 459                 if(prog % 5 == 0 && lastProg != prog) {
 460                     Q_EMIT updateCachingProgress(prog,
 461                                                  timer.restart());
 462                     lastProg = prog;
 463                 }
 464             }
 465
 466         }
 467     }
 468
 469     cur.exec("END;");
 470     cur.exec("select count(*) from dict");
 471
 472     countWords();
 473     cachingDialog->setVisible(false);
 474
 475     if(!cur.next() || countWords() != cur.value(0).toInt())
 476         return false;
 477     _settings->setValue("cache_path", cachePathN);
 478     _settings->setValue("cached", "true");
 479
 480     return true;
 481 }
 482
 483
 484 Q_EXPORT_PLUGIN2(xdxf, XdxfPlugin)