File indexing completed on 2025-03-09 04:32:01 

0001 // SPDX-FileCopyrightText: 2023 Tobias Fella <tobias.fella@kde.org>
0002 // SPDX-License-Identifier: GPL-2.0-or-later
0003 
0004 #include "contenthelper.h"
0005 
0006 #include <QDebug>
0007 #include <QDesktopServices>
0008 #include <QRegularExpression>
0009 
0010 ContentHelper::ContentHelper(QObject *parent)
0011     : QObject(parent)
0012 {
0013 }
0014 
0015 void ContentHelper::openLink(const QString &link)
0016 {
0017     QUrl url(link);
0018     if (link.startsWith(QStringLiteral("//"))) {
0019         // we a protocol-relative, see https://en.wikipedia.org/wiki/Wikipedia:Protocol-relative_URL
0020         url.setScheme(QUrl(link).scheme());
0021     }
0022     QDesktopServices::openUrl(url);
0023 }
0024 
0025 QString ContentHelper::adjustedContent(int width, int fontSize, const QString &content)
0026 {
0027     QString ret(content);
0028     QRegularExpression imgRegex(QStringLiteral("<img ((?!width=\"[0-9]+(px)?\").)*(width=\"([0-9]+)(px)?\")?[^>]*>"));
0029 
0030     QRegularExpressionMatchIterator i = imgRegex.globalMatch(ret);
0031     while (i.hasNext()) {
0032         QRegularExpressionMatch match = i.next();
0033 
0034         QString imgTag(match.captured());
0035         if (imgTag.contains(QStringLiteral("wp-smiley"))) {
0036             imgTag.insert(4, QStringLiteral(" width=\"%1\"").arg(fontSize));
0037         }
0038 
0039         QString widthParameter = match.captured(4);
0040 
0041         if (widthParameter.length() != 0) {
0042             if (widthParameter.toInt() > width) {
0043                 imgTag.replace(match.captured(3), QStringLiteral("width=\"%1\"").arg(width));
0044                 imgTag.replace(QRegularExpression(QStringLiteral("height=\"([0-9]+)(px)?\"")), QString());
0045             }
0046         } else {
0047             imgTag.insert(4, QStringLiteral(" width=\"%1\"").arg(width));
0048         }
0049         ret.replace(match.captured(), imgTag);
0050     }
0051 
0052     ret.replace(QStringLiteral("<img"), QStringLiteral("<br /> <img"));
0053     return ret;
0054 }