/***************************************************************************
- * Copyright (C) 2005-2012 by the Quassel Project *
+ * Copyright (C) 2005-2015 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "util.h"
class QMetaMethod;
-QString nickFromMask(QString mask) {
- return mask.section('!', 0, 0);
+// MIBenum values from http://www.iana.org/assignments/character-sets/character-sets.xml#table-character-sets-1
+static QList<int> utf8DetectionBlacklist = QList<int>()
+ << 39 /* ISO-2022-JP */;
+
+QString nickFromMask(QString mask)
+{
+ return mask.section('!', 0, 0);
}
-QString userFromMask(QString mask) {
- QString userhost = mask.section('!', 1);
- if(userhost.isEmpty()) return QString();
- return userhost.section('@', 0, 0);
+
+QString userFromMask(QString mask)
+{
+ QString userhost = mask.section('!', 1);
+ if (userhost.isEmpty()) return QString();
+ return userhost.section('@', 0, 0);
}
-QString hostFromMask(QString mask) {
- QString userhost = mask.section('!', 1);
- if(userhost.isEmpty()) return QString();
- return userhost.section('@', 1);
+
+QString hostFromMask(QString mask)
+{
+ QString userhost = mask.section('!', 1);
+ if (userhost.isEmpty()) return QString();
+ return userhost.section('@', 1);
}
-bool isChannelName(QString str) {
- return QString("#&!+").contains(str[0]);
+
+bool isChannelName(QString str)
+{
+ return QString("#&!+").contains(str[0]);
}
-QString stripFormatCodes(QString str) {
- str.remove(QRegExp("\x03(\\d\\d?(,\\d\\d?)?)?"));
- str.remove('\x02');
- str.remove('\x0f');
- str.remove('\x12');
- str.remove('\x16');
- str.remove('\x1d');
- str.remove('\x1f');
- return str;
+
+QString stripFormatCodes(QString str)
+{
+ str.remove(QRegExp("\x03(\\d\\d?(,\\d\\d?)?)?"));
+ str.remove('\x02');
+ str.remove('\x0f');
+ str.remove('\x12');
+ str.remove('\x16');
+ str.remove('\x1d');
+ str.remove('\x1f');
+ return str;
}
-QString stripAcceleratorMarkers(const QString &label_) {
- QString label = label_;
- int p = 0;
- forever {
- p = label.indexOf('&', p);
- if(p < 0 || p + 1 >= label.length())
- break;
- if(label.at(p + 1).isLetterOrNumber() || label.at(p + 1) == '&')
- label.remove(p, 1);
+QString stripAcceleratorMarkers(const QString &label_)
+{
+ QString label = label_;
+ int p = 0;
+ forever {
+ p = label.indexOf('&', p);
+ if (p < 0 || p + 1 >= label.length())
+ break;
+
+ if (label.at(p + 1).isLetterOrNumber() || label.at(p + 1) == '&')
+ label.remove(p, 1);
- ++p;
- }
- return label;
+ ++p;
+ }
+ return label;
}
-QString decodeString(const QByteArray &input, QTextCodec *codec) {
- // First, we check if it's utf8. It is very improbable to encounter a string that looks like
- // valid utf8, but in fact is not. This means that if the input string passes as valid utf8, it
- // is safe to assume that it is.
- // Q_ASSERT(sizeof(const char) == sizeof(quint8)); // In God we trust...
- bool isUtf8 = true;
- int cnt = 0;
- for(int i = 0; i < input.size(); i++) {
- if(cnt) {
- // We check a part of a multibyte char. These need to be of the form 10yyyyyy.
- if((input[i] & 0xc0) != 0x80) { isUtf8 = false; break; }
- cnt--;
- continue;
+
+QString decodeString(const QByteArray &input, QTextCodec *codec)
+{
+ if (codec && utf8DetectionBlacklist.contains(codec->mibEnum()))
+ return codec->toUnicode(input);
+
+ // First, we check if it's utf8. It is very improbable to encounter a string that looks like
+ // valid utf8, but in fact is not. This means that if the input string passes as valid utf8, it
+ // is safe to assume that it is.
+ // Q_ASSERT(sizeof(const char) == sizeof(quint8)); // In God we trust...
+ bool isUtf8 = true;
+ int cnt = 0;
+ for (int i = 0; i < input.size(); i++) {
+ if (cnt) {
+ // We check a part of a multibyte char. These need to be of the form 10yyyyyy.
+ if ((input[i] & 0xc0) != 0x80) { isUtf8 = false; break; }
+ cnt--;
+ continue;
+ }
+ if ((input[i] & 0x80) == 0x00) continue; // 7 bit is always ok
+ if ((input[i] & 0xf8) == 0xf0) { cnt = 3; continue; } // 4-byte char 11110xxx 10yyyyyy 10zzzzzz 10vvvvvv
+ if ((input[i] & 0xf0) == 0xe0) { cnt = 2; continue; } // 3-byte char 1110xxxx 10yyyyyy 10zzzzzz
+ if ((input[i] & 0xe0) == 0xc0) { cnt = 1; continue; } // 2-byte char 110xxxxx 10yyyyyy
+ isUtf8 = false; break; // 8 bit char, but not utf8!
+ }
+ if (isUtf8 && cnt == 0) {
+ QString s = QString::fromUtf8(input);
+ //qDebug() << "Detected utf8:" << s;
+ return s;
}
- if((input[i] & 0x80) == 0x00) continue; // 7 bit is always ok
- if((input[i] & 0xf8) == 0xf0) { cnt = 3; continue; } // 4-byte char 11110xxx 10yyyyyy 10zzzzzz 10vvvvvv
- if((input[i] & 0xf0) == 0xe0) { cnt = 2; continue; } // 3-byte char 1110xxxx 10yyyyyy 10zzzzzz
- if((input[i] & 0xe0) == 0xc0) { cnt = 1; continue; } // 2-byte char 110xxxxx 10yyyyyy
- isUtf8 = false; break; // 8 bit char, but not utf8!
- }
- if(isUtf8 && cnt == 0) {
- QString s = QString::fromUtf8(input);
- //qDebug() << "Detected utf8:" << s;
- return s;
- }
- //QTextCodec *codec = QTextCodec::codecForName(encoding.toAscii());
- if(!codec) return QString::fromAscii(input);
- return codec->toUnicode(input);
+ //QTextCodec *codec = QTextCodec::codecForName(encoding.toLatin1());
+ if (!codec) return QString::fromLatin1(input);
+ return codec->toUnicode(input);
}
-uint editingDistance(const QString &s1, const QString &s2) {
- uint n = s1.size()+1;
- uint m = s2.size()+1;
- QVector< QVector< uint > >matrix(n,QVector<uint>(m,0));
- for(uint i = 0; i < n; i++)
- matrix[i][0] = i;
+uint editingDistance(const QString &s1, const QString &s2)
+{
+ uint n = s1.size()+1;
+ uint m = s2.size()+1;
+ QVector<QVector<uint> > matrix(n, QVector<uint>(m, 0));
+
+ for (uint i = 0; i < n; i++)
+ matrix[i][0] = i;
- for(uint i = 0; i < m; i++)
- matrix[0][i] = i;
+ for (uint i = 0; i < m; i++)
+ matrix[0][i] = i;
- uint min;
- for(uint i = 1; i < n; i++) {
- for(uint j = 1; j < m; j++) {
- uint deleteChar = matrix[i-1][j] + 1;
- uint insertChar = matrix[i][j-1] + 1;
+ uint min;
+ for (uint i = 1; i < n; i++) {
+ for (uint j = 1; j < m; j++) {
+ uint deleteChar = matrix[i-1][j] + 1;
+ uint insertChar = matrix[i][j-1] + 1;
- if(deleteChar < insertChar)
- min = deleteChar;
- else
- min = insertChar;
+ if (deleteChar < insertChar)
+ min = deleteChar;
+ else
+ min = insertChar;
- if(s1[i-1] == s2[j-1]) {
- uint inheritChar = matrix[i-1][j-1];
- if(inheritChar < min)
- min = inheritChar;
- }
+ if (s1[i-1] == s2[j-1]) {
+ uint inheritChar = matrix[i-1][j-1];
+ if (inheritChar < min)
+ min = inheritChar;
+ }
- matrix[i][j] = min;
+ matrix[i][j] = min;
+ }
}
- }
- return matrix[n-1][m-1];
+ return matrix[n-1][m-1];
}
-QString secondsToString(int timeInSeconds) {
- QList< QPair<int, QString> > timeUnit;
+
+QString secondsToString(int timeInSeconds)
+{
+ QList<QPair<int, QString> > timeUnit;
timeUnit.append(qMakePair(365*24*60*60, QCoreApplication::translate("Quassel::secondsToString()", "year")));
timeUnit.append(qMakePair(24*60*60, QCoreApplication::translate("Quassel::secondsToString()", "day")));
timeUnit.append(qMakePair(60*60, QCoreApplication::translate("Quassel::secondsToString()", "h")));
timeUnit.append(qMakePair(1, QCoreApplication::translate("Quassel::secondsToString()", "sec")));
QStringList returnString;
- for(int i=0; i < timeUnit.size(); i++) {
- int n = timeInSeconds / timeUnit[i].first;
- if(n > 0) {
- returnString += QString("%1 %2").arg(QString::number(n), timeUnit[i].second);
- }
- timeInSeconds = timeInSeconds % timeUnit[i].first;
+ for (int i = 0; i < timeUnit.size(); i++) {
+ int n = timeInSeconds / timeUnit[i].first;
+ if (n > 0) {
+ returnString += QString("%1 %2").arg(QString::number(n), timeUnit[i].second);
+ }
+ timeInSeconds = timeInSeconds % timeUnit[i].first;
}
return returnString.join(", ");
}
-QByteArray prettyDigest(const QByteArray &digest) {
- QByteArray hexDigest = digest.toHex().toUpper();
- QByteArray prettyDigest;
- prettyDigest.fill(':', hexDigest.count() + (hexDigest.count() / 2) - 1);
- for(int i = 0; i * 2 < hexDigest.count(); i++) {
- prettyDigest.replace(i * 3, 2, hexDigest.mid(i * 2, 2));
- }
- return prettyDigest;
+QByteArray prettyDigest(const QByteArray &digest)
+{
+ QByteArray hexDigest = digest.toHex().toUpper();
+ QByteArray prettyDigest;
+ prettyDigest.fill(':', hexDigest.count() + (hexDigest.count() / 2) - 1);
+
+ for (int i = 0; i * 2 < hexDigest.count(); i++) {
+ prettyDigest.replace(i * 3, 2, hexDigest.mid(i * 2, 2));
+ }
+ return prettyDigest;
}