release/src/router/transmission/qt/utils.h

   1 /*
   2  * This file Copyright (C) Mnemosyne LLC
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2
   6  * as published by the Free Software Foundation.
   7  *
   8  * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
   9  *
  10  * $Id: utils.h 14150 2013-07-27 21:58:14Z jordan $
  11  */
  12
  13 #ifndef QTR_UTILS
  14 #define QTR_UTILS
  15
  16 #include <QString>
  17 #include <QObject>
  18 #include <QIcon>
  19
  20 #include <cctype> // isxdigit()
  21
  22 #include "speed.h"
  23
  24 class Utils: public QObject
  25 {
  26         Q_OBJECT
  27
  28     public:
  29         Utils( ) { }
  30         virtual ~Utils( ) { }
  31
  32     public:
  33         static QString remoteFileChooser( QWidget * parent, const QString& title, const QString& myPath, bool dir, bool local );
  34         static const QIcon& guessMimeIcon( const QString& filename );
  35         // Test if string is UTF-8 or not
  36         static bool isValidUtf8 ( const char *s );
  37
  38         // meh
  39         static void toStderr( const QString& qstr );
  40
  41         ///
  42         /// URLs
  43         ///
  44
  45         static bool isMagnetLink( const QString& s ) { return s.startsWith( QString::fromUtf8( "magnet:?" ) ); }
  46
  47         static bool isHexHashcode( const QString& s )
  48         {
  49             if( s.length() != 40 ) return false;
  50             foreach( QChar ch, s ) if( !isxdigit( ch.unicode() ) ) return false;
  51             return true;
  52         }
  53
  54         static bool isUriWithSupportedScheme( const QString& s )
  55         {
  56             static const QString ftp = QString::fromUtf8( "ftp://" );
  57             static const QString http = QString::fromUtf8( "http://" );
  58             static const QString https = QString::fromUtf8( "https://" );
  59             return s.startsWith(http) || s.startsWith(https) || s.startsWith(ftp);
  60         }
  61
  62 };
  63
  64 #endif