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42 lines
1.6 KiB
42 lines
1.6 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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