1 /***************************************************************************
2 * Copyright (C) 2005-09 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 ***************************************************************************/
21 #include "clickable.h"
23 // NOTE: This method is not threadsafe and not reentrant!
24 // (RegExps are not constant while matching, and they are static here for efficiency)
25 ClickableList ClickableList::fromString(const QString &str) {
27 static QString urlEnd("(?:>|[,.;:\"]*\\s|\\b|$)");
28 static QString urlChars("(?:[,.;:]*[\\w\\-~@/?&=+$()!%#*|{}\\[\\]'^])");
30 static QRegExp regExp[] = {
32 // QRegExp(QString("((?:https?://|s?ftp://|irc://|mailto:|www\\.)%1+|%1+\\.[a-z]{2,4}(?:?=/%1+|\\b))%2").arg(urlChars, urlEnd)),
33 QRegExp(QString("((?:(?:mailto:|\\w+://)|www\\.)%1+)%2").arg(urlChars, urlEnd), Qt::CaseInsensitive),
36 // We don't match for channel names starting with + or &, because that gives us a lot of false positives.
37 QRegExp("((?:#|![A-Z0-9]{5})[^,:\\s]+(?::[^,:\\s]+)?)\\b", Qt::CaseInsensitive)
39 // TODO: Nicks, we'll need a filtering for only matching known nicknames further down if we do this
42 static const int regExpCount = 2; // number of regexps in the array above
44 qint16 matches[] = { 0, 0, 0 };
45 qint16 matchEnd[] = { 0, 0, 0 };
48 //QString str = data(ChatLineModel::DisplayRole).toString();
56 minidx = str.length();
57 for(int i = 0; i < regExpCount; i++) {
58 if(matches[i] < 0 || matchEnd[i] > str.length()) continue;
59 if(idx >= matchEnd[i]) {
60 matches[i] = regExp[i].indexIn(str, qMax(matchEnd[i], idx));
61 if(matches[i] >= 0) matchEnd[i] = matches[i] + regExp[i].cap(1).length();
63 if(matches[i] >= 0 && matches[i] < minidx) {
70 QString match = str.mid(matches[type], matchEnd[type] - matches[type]);
71 if(type == Clickable::Url && str.at(idx-1) == ')') { // special case: closing paren only matches if we had an open one
72 if(!match.contains('(')) {
77 if(type == Clickable::Channel) {
78 // don't make clickable if it could be a #number
79 if(QRegExp("^#\\d+$").exactMatch(match))
82 result.append(Clickable((Clickable::Type)type, matches[type], matchEnd[type] - matches[type]));