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 *******************************************************************************/
22 \file CompressedReader.cpp
23 \brief Class implementing StarDictReader interface and handling reading from compressed
26 \author Mateusz Półrola
29 #include "CompressedReader.h"
33 CompressedReader::CompressedReader(QObject *parent) :
34 StarDictReader(parent) {
38 CompressedReader::CompressedReader(QString filename, QObject *parent) :
39 StarDictReader(parent) {
44 CompressedReader::~CompressedReader() {
50 bool CompressedReader::open(QString file) {
51 _file = gzopen(file.toStdString().c_str(), "rb");
58 void CompressedReader::close() {
64 QChar CompressedReader::readChar() {
69 if(((unsigned char)c[0])>239)
70 gzread(_file, c+1, 3);
71 else if(((unsigned char)c[0])>223)
72 gzread(_file, c+1, 2);
73 else if(((unsigned char)c[0])>191)
74 gzread(_file, c+1, 1);
75 else if(((unsigned char)c[0])>127){
76 qDebug()<<"error - starDict - read wordList from UTF-8";
80 cha=QString::fromUtf8(c);
85 qint32 CompressedReader::readInt32BigEndian() {
87 gzread(_file, (void*)(&value), 4);
88 return qFromBigEndian(value);
92 qint64 CompressedReader::readInt64BigEndian() {
94 gzread(_file, (void*)(&value), 8);
99 QString CompressedReader::readKeyword() {
112 QByteArray CompressedReader::readString(qint64 offset, qint32 len) {
116 gzseek(_file, offset, SEEK_SET);
117 gzread(_file, buf, len);
119 QByteArray res(buf, len);