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42 lines
1.5 KiB
42 lines
1.5 KiB
/*************************************************************************** |
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* Copyright (C) 2013 Jaydeep Solanki <jaydp17@gmail.com> * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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***************************************************************************/ |
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#ifndef URL_UTILS_H |
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#define URL_UTILS_H |
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#include <QRegularExpression> |
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namespace UrlUtils |
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{ |
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QString getUrl(QString txt) |
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{ |
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// match the url |
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QRegularExpression reg(QStringLiteral("\\b((https?|ftp)://(www\\d{0,3}[.])?[\\S]+)|((www\\d{0,3}[.])[\\S]+)")); |
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// blocks from detecting invalid urls |
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QRegularExpression reg1(QStringLiteral("[\\w'\"\\(\\)]+https?://|[\\w'\"\\(\\)]+ftp://|[\\w'\"\\(\\)]+www\\d{0,3}[.]")); |
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txt = txt.remove(QLatin1Char('\n')); |
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if (reg1.match(txt).hasMatch()) { // return early if there is a match (url is not valid) |
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return QString(); |
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} |
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QRegularExpressionMatch match = reg.match(txt); |
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QString url = match.captured(); |
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if (match.hasMatch() && QUrl(url).isValid()) { |
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if (url.startsWith(QLatin1String("www"))) { |
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url.prepend(QLatin1String("http://")); |
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} |
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return url; |
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} |
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return QString(); |
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} |
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} |
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#endif
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