1 /*******************************************************************************
3 This file is part of mDictionary.
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.
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.
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/>.
18 Copyright 2010 Comarch S.A.
20 *******************************************************************************/
23 \file XdxfDictDownloader.cpp
24 \author Mateusz Półrola <mateusz.polrola@comarch.com>
27 #include "XdxfDictDownloader.h"
28 #include "XdxfDictDownloadProgressDialog.h"
42 XdxfDictDownloader::XdxfDictDownloader(QObject *parent) :
45 manager = new QNetworkAccessManager(this);
47 connect(manager, SIGNAL(finished(QNetworkReply*)),
48 this, SLOT(dictListReceived(QNetworkReply*)));
52 connect(&http, SIGNAL(finished()), this, SLOT(processFinished()));
53 connect(&http, SIGNAL(error(QString)),
54 this, SLOT(downloadingError(QString)));
57 void XdxfDictDownloader::download(QWidget *parent) {
58 parentDialog = parent;
61 manager->get(QNetworkRequest(QUrl("http://xdxf.revdanica.com/down/")));
63 progressDialog = new XdxfDictDownloadProgressDialog(parent);
65 connect(progressDialog, SIGNAL(cancelDownloading()),
66 this, SLOT(breakDownloading()));
67 progressDialog->setText(tr("Downloading dictionaries list"));
68 progressDialog->show();
71 QString XdxfDictDownloader::downloadedFile() {
72 return _downloadedFile;
76 void XdxfDictDownloader::downloadingError(QString error) {
78 Q_EMIT notify(Notify::Error, error);
81 void XdxfDictDownloader::breakDownloading() {
82 //if user cancel downloading we kill all running processes, hide progress dialog and set flag that user cancel downloading.
86 if(progressDialog && progressDialog->isVisible()) {
87 progressDialog->accept();
92 void XdxfDictDownloader::processFinished() {
93 //first check if user cancel downloading
96 if(!extract("/tmp/" + _fileName)) {
97 Q_EMIT notify(Notify::Error,
98 "Error while extracting dictionary archive");
104 void XdxfDictDownloader::downloadComplete() {
106 // Downloaded tar file name is different than extracted folder so we need
107 // some clean directory to identify extracted files
108 QDir dir("/tmp/mdict");
109 QString dictDirName = dir.entryList().at(2);
111 // Dict is in /tmp/mdict/<extracted directory>/dict.xdxf
112 QFile dictFile("/tmp/mdict/" + dictDirName + "/dict.xdxf");
113 dictFile.copy(QDir::homePath() + "/.mdictionary/" + dictDirName + ".xdxf");
114 QFile::remove("/tmp/" + _fileName);
115 QFile::remove("/tmp/" + _fileName.replace(QRegExp(".bz2$"), ""));
117 _downloadedFile = QDir::homePath() + "/.mdictionary/" + dictDirName + ".xdxf";
119 progressDialog->accept();
120 delete progressDialog;
123 emit fileDownloaded(_downloadedFile);
126 void XdxfDictDownloader::dictListReceived(QNetworkReply *reply) {
127 progressDialog->accept();
131 if(reply->error() != QNetworkReply::NoError) {
132 Q_EMIT notify(Notify::Error, reply->errorString());
136 QString page(QString::fromUtf8(reply->readAll()));
138 // You can look at http://xdxf.revdanica.com/down/, we need to get table
139 // with dictionaries entries following regexp match its begining
140 QRegExp regOuter("<td>Icon</td><td>Name</td><td>Archive filename</td><td>Archive file size</td><td>Dict file size</td><td>Number of articles</td><td>From</td><td>To</td><td>Submitted by</td><td>Submition date</td></tr>(.*)</table>");
141 regOuter.setMinimal(true);
142 if(!regOuter.indexIn(page))
145 // Cutting each entry and creating coresponded DownloadDict object
146 page = regOuter.capturedTexts().at(1);
147 QRegExp regInner("<tr>.*</tr>");
148 regInner.setMinimal(true);
151 while ((pos = regInner.indexIn(page, pos)) != -1) {
152 DownloadDict temp = DownloadDict(regInner.cap(0));
153 if(!temp.fromLang().isEmpty())
155 pos += regInner.matchedLength();
158 XdxfDictSelectDialog selectDialog(dicts, parentDialog);
160 if(selectDialog.exec()==QDialog::Accepted) {
162 progressDialog->setText(tr("Downloading dictionary"));
163 progressDialog->show();
165 QString url = selectDialog.link();
167 _fileName = url.split('/').last();
170 clean.start("rm -rf /tmp/mdict");
171 clean.waitForFinished(-1);
172 clean.start("mkdir /tmp/mdict");
173 clean.waitForFinished(-1);
175 http.download(QUrl(url), "/tmp/" + _fileName);
179 bool XdxfDictDownloader::extract(QString file) {
181 FILE * archive = fopen(file.toStdString().c_str(), "rb");
185 BZFILE * afterbzFile = BZ2_bzReadOpen(&err, archive, 0, 0, 0, 0);
187 BZ2_bzReadClose(&err, afterbzFile);
191 FILE * tarfile = fopen(file.replace(QRegExp(".bz2$"), "").
192 toStdString().c_str(), "w");
196 while(err == BZ_OK) {
197 int len = BZ2_bzRead(&err, afterbzFile, buff, bufflen);
198 if(fwrite(buff, 1, len, tarfile) != len)
201 BZ2_bzReadClose(&err, afterbzFile);
208 char * tarfname = new char[file.replace(QRegExp(".bz2%"), "").size()+1];
209 strcpy(tarfname, file.replace(QRegExp(".bz2%"), "").toStdString().c_str());
211 err = tar_open(&t, tarfname, 0, O_RDONLY, 0, 0);
215 err = tar_extract_all(t, "/tmp/mdict/");
222 tar.start("tar -xvf " + file.replace(QRegExp(".bz2%"), "") + " -C /tmp/mdict");
223 tar.waitForFinished(-1);