/***************************************************************************
- * Copyright (C) 2005/06 by The Quassel Team *
+ * Copyright (C) 2005-08 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
+ * (at your option) version 3. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
#include <QDebug>
#include <QTextCodec>
+class QMetaMethod;
+
QString nickFromMask(QString mask) {
return mask.section('!', 0, 0);
}
return QString("#&!+").contains(str[0]);
}
-QString decodeString(QByteArray input, QString encoding) {
+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)); // just to make sure
+ // 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) {
- if((input[i] & 0xc0) != 0x80) { isUtf8 = false; break; } // Following byte does not start with 10
+ // 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)) continue; // 7 bit is ok
- if((input[i] & 0xf8) == 0xf0) { cnt = 3; continue; }
- if((input[i] & 0xf0) == 0xe0) { cnt = 2; continue; }
- if((input[i] & 0xe0) == 0xc0) { cnt = 1; 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;
+ //qDebug() << "Detected utf8:" << s;
return s;
}
- QTextCodec *codec = QTextCodec::codecForName(encoding.toAscii());
- if(!codec) {
- qWarning() << QString("Invalid encoding: %1").arg(encoding);
- return QString::fromAscii(input);
- }
+ //QTextCodec *codec = QTextCodec::codecForName(encoding.toAscii());
+ if(!codec) return QString::fromAscii(input);
return codec->toUnicode(input);
}
+/* not needed anymore
void writeDataToDevice(QIODevice *dev, const QVariant &item) {
QByteArray block;
QDataStream out(&block, QIODevice::WriteOnly);
in >> item;
return true;
}
+*/
+
+uint editingDistance(const QString &s1, const QString &s2) {
+ uint n = s1.size()+1;
+ uint m = s2.size()+1;
+ //uint matrix[n][m];
+ 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;
+
+ 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(s1[i-1] == s2[j-1]) {
+ uint inheritChar = matrix[i-1][j-1];
+ if(inheritChar < min)
+ min = inheritChar;
+ }
+
+ matrix[i][j] = min;
+ }
+ }
+ return matrix[n-1][m-1];
+}
+
+QByteArray methodName(const QMetaMethod &method) {
+ QByteArray sig(method.signature());
+ return sig.left(sig.indexOf("("));
+}