1 | /*************************************************************************** |
2 | * Copyright (C) 2005-2014 by the Quassel Project * |
3 | * devel@quassel-irc.org * |
4 | * * |
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. * |
9 | * * |
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. * |
14 | * * |
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 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
19 | ***************************************************************************/ |
20 | |
21 | #include <QDesktopServices> |
22 | #include <QModelIndex> |
23 | #include <QUrl> |
24 | |
25 | #include "buffermodel.h" |
26 | #include "clickable.h" |
27 | #include "client.h" |
28 | |
29 | void Clickable::activate(NetworkId networkId, const QString &text) const |
30 | { |
31 | if (!isValid()) |
32 | return; |
33 | |
34 | QString str = text.mid(start(), length()); |
35 | |
36 | switch (type()) { |
37 | case Clickable::Url: |
38 | if (!str.contains("://" )) |
39 | str = "http://" + str; |
40 | QDesktopServices::openUrl(QUrl::fromEncoded(str.toUtf8(), QUrl::TolerantMode)); |
41 | break; |
42 | case Clickable::Channel: |
43 | Client::bufferModel()->switchToOrJoinBuffer(networkId, str); |
44 | break; |
45 | default: |
46 | break; |
47 | } |
48 | } |
49 | |
50 | |
51 | // NOTE: This method is not threadsafe and not reentrant! |
52 | // (RegExps are not constant while matching, and they are static here for efficiency) |
53 | ClickableList ClickableList::fromString(const QString &str) |
54 | { |
55 | // For matching URLs |
56 | static QString scheme("(?:(?:mailto:|(?:[+.-]?\\w)+://)|www(?=\\.\\S+\\.))" ); |
57 | static QString authority("(?:(?:[,.;@:]?[-\\w]+)+\\.?|\\[[0-9a-f:.]+\\])(?::\\d+)?" ); |
58 | static QString urlChars("(?:[,.;:]*[\\w~@/?&=+$()!%#*-])" ); |
59 | static QString urlEnd("(?:>|[,.;:\"]*\\s|\\b|$)" ); |
60 | |
61 | static QRegExp regExp[] = { |
62 | // URL |
63 | // QRegExp(QString("((?:https?://|s?ftp://|irc://|mailto:|www\\.)%1+|%1+\\.[a-z]{2,4}(?:?=/%1+|\\b))%2").arg(urlChars, urlEnd)), |
64 | QRegExp(QString("\\b(%1%2(?:/%3*)?)%4" ).arg(scheme, authority, urlChars, urlEnd), Qt::CaseInsensitive), |
65 | |
66 | // Channel name |
67 | // We don't match for channel names starting with + or &, because that gives us a lot of false positives. |
68 | QRegExp("((?:#|![A-Z0-9]{5})[^,:\\s]+(?::[^,:\\s]+)?)\\b" , Qt::CaseInsensitive) |
69 | |
70 | // TODO: Nicks, we'll need a filtering for only matching known nicknames further down if we do this |
71 | }; |
72 | |
73 | static const int regExpCount = 2; // number of regexps in the array above |
74 | |
75 | qint16 matches[] = { 0, 0, 0 }; |
76 | qint16 matchEnd[] = { 0, 0, 0 }; |
77 | |
78 | ClickableList result; |
79 | //QString str = data(ChatLineModel::DisplayRole).toString(); |
80 | |
81 | qint16 idx = 0; |
82 | qint16 minidx; |
83 | int type = -1; |
84 | |
85 | do { |
86 | type = -1; |
87 | minidx = str.length(); |
88 | for (int i = 0; i < regExpCount; i++) { |
89 | if (matches[i] < 0 || matchEnd[i] > str.length()) continue; |
90 | if (idx >= matchEnd[i]) { |
91 | matches[i] = regExp[i].indexIn(str, qMax(matchEnd[i], idx)); |
92 | if (matches[i] >= 0) matchEnd[i] = matches[i] + regExp[i].cap(1).length(); |
93 | } |
94 | if (matches[i] >= 0 && matches[i] < minidx) { |
95 | minidx = matches[i]; |
96 | type = i; |
97 | } |
98 | } |
99 | if (type >= 0) { |
100 | idx = matchEnd[type]; |
101 | QString match = str.mid(matches[type], matchEnd[type] - matches[type]); |
102 | if (type == Clickable::Url && str.at(idx-1) == ')') { // special case: closing paren only matches if we had an open one |
103 | if (!match.contains('(')) { |
104 | matchEnd[type]--; |
105 | match.chop(1); |
106 | } |
107 | } |
108 | if (type == Clickable::Channel) { |
109 | // don't make clickable if it could be a #number |
110 | if (QRegExp("^#\\d+$" ).exactMatch(match)) |
111 | continue; |
112 | } |
113 | result.append(Clickable((Clickable::Type)type, matches[type], matchEnd[type] - matches[type])); |
114 | } |
115 | } |
116 | while (type >= 0); |
117 | return result; |
118 | } |
119 | |
120 | |
121 | Clickable ClickableList::atCursorPos(int idx) |
122 | { |
123 | foreach(const Clickable &click, *this) { |
124 | if (idx >= click.start() && idx < click.start() + click.length()) |
125 | return click; |
126 | } |
127 | return Clickable(); |
128 | } |
129 | |