1 /***************************************************************************
2 * Copyright (C) 2005-08 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program 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 2 of the License, or *
8 * (at your option) version 3. *
10 * This program 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 this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
23 #include <QCoreApplication>
25 #include <QLibraryInfo>
27 #include <QTranslator>
33 QString nickFromMask(QString mask) {
34 return mask.section('!', 0, 0);
37 QString userFromMask(QString mask) {
38 QString userhost = mask.section('!', 1);
39 if(userhost.isEmpty()) return QString();
40 return userhost.section('@', 0, 0);
43 QString hostFromMask(QString mask) {
44 QString userhost = mask.section('!', 1);
45 if(userhost.isEmpty()) return QString();
46 return userhost.section('@', 1);
49 bool isChannelName(QString str) {
50 return QString("#&!+").contains(str[0]);
53 QString stripFormatCodes(QString str) {
54 str.remove(QRegExp("\x03(\\d\\d?(,\\d\\d?)?)?"));
64 QString decodeString(const QByteArray &input, QTextCodec *codec) {
65 // First, we check if it's utf8. It is very improbable to encounter a string that looks like
66 // valid utf8, but in fact is not. This means that if the input string passes as valid utf8, it
67 // is safe to assume that it is.
68 // Q_ASSERT(sizeof(const char) == sizeof(quint8)); // In God we trust...
71 for(int i = 0; i < input.size(); i++) {
73 // We check a part of a multibyte char. These need to be of the form 10yyyyyy.
74 if((input[i] & 0xc0) != 0x80) { isUtf8 = false; break; }
78 if((input[i] & 0x80) == 0x00) continue; // 7 bit is always ok
79 if((input[i] & 0xf8) == 0xf0) { cnt = 3; continue; } // 4-byte char 11110xxx 10yyyyyy 10zzzzzz 10vvvvvv
80 if((input[i] & 0xf0) == 0xe0) { cnt = 2; continue; } // 3-byte char 1110xxxx 10yyyyyy 10zzzzzz
81 if((input[i] & 0xe0) == 0xc0) { cnt = 1; continue; } // 2-byte char 110xxxxx 10yyyyyy
82 isUtf8 = false; break; // 8 bit char, but not utf8!
84 if(isUtf8 && cnt == 0) {
85 QString s = QString::fromUtf8(input);
86 //qDebug() << "Detected utf8:" << s;
89 //QTextCodec *codec = QTextCodec::codecForName(encoding.toAscii());
90 if(!codec) return QString::fromAscii(input);
91 return codec->toUnicode(input);
95 void writeDataToDevice(QIODevice *dev, const QVariant &item) {
97 QDataStream out(&block, QIODevice::WriteOnly);
98 out.setVersion(QDataStream::Qt_4_2);
99 out << (quint32)0 << item;
100 out.device()->seek(0);
101 out << (quint32)(block.size() - sizeof(quint32));
105 bool readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item) {
107 in.setVersion(QDataStream::Qt_4_2);
110 if(dev->bytesAvailable() < (int)sizeof(quint32)) return false;
113 if(dev->bytesAvailable() < blockSize) return false;
119 uint editingDistance(const QString &s1, const QString &s2) {
120 uint n = s1.size()+1;
121 uint m = s2.size()+1;
122 QVector< QVector< uint > >matrix(n,QVector<uint>(m,0));
124 for(uint i = 0; i < n; i++)
127 for(uint i = 0; i < m; i++)
131 for(uint i = 1; i < n; i++) {
132 for(uint j = 1; j < m; j++) {
133 uint deleteChar = matrix[i-1][j] + 1;
134 uint insertChar = matrix[i][j-1] + 1;
136 if(deleteChar < insertChar)
141 if(s1[i-1] == s2[j-1]) {
142 uint inheritChar = matrix[i-1][j-1];
143 if(inheritChar < min)
150 return matrix[n-1][m-1];
153 QByteArray methodName(const QMetaMethod &method) {
154 QByteArray sig(method.signature());
155 return sig.left(sig.indexOf("("));
160 if(Quassel::isOptionSet("datadir")) {
161 quasselDir = Quassel::optionValue("datadir");
163 // FIXME use QDesktopServices
165 quasselDir = qgetenv("APPDATA") + "/quassel/";
166 #elif defined Q_WS_MAC
167 quasselDir = QDir::homePath() + "/Library/Application Support/Quassel/";
169 quasselDir = QDir::homePath() + "/.quassel/";
173 QDir qDir(quasselDir);
174 if(!qDir.exists(quasselDir)) {
175 if(!qDir.mkpath(quasselDir)) {
176 qCritical() << "Unable to create Quassel data directory:" << qPrintable(qDir.absolutePath());
183 void loadTranslation(const QLocale &locale) {
184 QTranslator *qtTranslator = QCoreApplication::instance()->findChild<QTranslator *>("QtTr");
185 QTranslator *quasselTranslator = QCoreApplication::instance()->findChild<QTranslator *>("QuasselTr");
188 qtTranslator = new QTranslator(qApp);
189 qtTranslator->setObjectName("QtTr");
190 qApp->installTranslator(qtTranslator);
192 if(!quasselTranslator) {
193 quasselTranslator = new QTranslator(qApp);
194 quasselTranslator->setObjectName("QuasselTr");
195 qApp->installTranslator(quasselTranslator);
198 QLocale::setDefault(locale);
200 if(locale.language() == QLocale::C)
203 bool success = qtTranslator->load(QString(":i18n/qt_%1").arg(locale.name()));
205 qtTranslator->load(QString("%2/qt_%1").arg(locale.name(), QLibraryInfo::location(QLibraryInfo::TranslationsPath)));
206 quasselTranslator->load(QString(":i18n/quassel_%1").arg(locale.name()));
209 QString secondsToString(int timeInSeconds) {
210 QList< QPair<int, QString> > timeUnit;
211 timeUnit.append(qMakePair(365*24*60*60, QCoreApplication::translate("Quassel::secondsToString()", "year")));
212 timeUnit.append(qMakePair(24*60*60, QCoreApplication::translate("Quassel::secondsToString()", "day")));
213 timeUnit.append(qMakePair(60*60, QCoreApplication::translate("Quassel::secondsToString()", "h")));
214 timeUnit.append(qMakePair(60, QCoreApplication::translate("Quassel::secondsToString()", "min")));
215 timeUnit.append(qMakePair(1, QCoreApplication::translate("Quassel::secondsToString()", "sec")));
217 QStringList returnString;
218 for(int i=0; i < timeUnit.size(); i++) {
219 int n = timeInSeconds / timeUnit[i].first;
221 returnString += QString("%1 %2").arg(QString::number(n), timeUnit[i].second);
223 timeInSeconds = timeInSeconds % timeUnit[i].first;
225 return returnString.join(", ");