vaikene.ee Git - evaf/blob - src/libs/Common/util.cpp

   1 /**
   2  * @file Common/util.cpp
   3  * @brief Global utility functions for eVaf
   4  * @author Enar Vaikene
   5  *
   6  * Copyright (c) 2011 Enar Vaikene
   7  *
   8  * This file is part of the eVaf C++ cross-platform application development framework.
   9  *
  10  * This file can be used under the terms of the GNU General Public License
  11  * version 3.0 as published by the Free Software Foundation and appearing in
  12  * the file LICENSE included in the packaging of this file. Please review the
  13  * the following information to ensure the GNU General Public License version
  14  * 3.0 requirements will be met: http://www.gnu.org/copyleft/gpl.html.
  15  *
  16  * Alternatively, this file may be used in accordance with the Commercial License
  17  * Agreement provided with the Software.
  18  */
  19
  20 #include "util.h"
  21
  22
  23 //-------------------------------------------------------------------
  24
  25 QVariant eVaf::Common::toVariant(QString const & value, QVariant const & defaultValue)
  26 {
  27     // If the default value is not valid, return the string value without conversions
  28     if (!defaultValue.isValid())
  29         return QVariant(value);
  30
  31     // Convert to the expected type
  32     switch (defaultValue.type()) {
  33         case QVariant::UInt: {
  34             bool ok;
  35             uint v = value.toUInt(&ok, 0);
  36             if (ok)
  37                 return QVariant(v);
  38             else
  39                 return defaultValue;
  40             break;
  41         }
  42         case QVariant::Int: {
  43             bool ok;
  44             int v = value.toInt(&ok, 0);
  45             if (ok)
  46                 return QVariant(v);
  47             else
  48                 return defaultValue;
  49             break;
  50         }
  51         case QVariant::Double: {
  52             bool ok;
  53             double v = value.toDouble(&ok);
  54             if (ok)
  55                 return QVariant(v);
  56             else
  57                 return defaultValue;
  58             break;
  59         }
  60         case QVariant::Bool: {
  61             bool ok;
  62             uint v = value.toUInt(&ok, 0);
  63             if (eVaf::Common::isTrue(value))
  64                 return QVariant(true);
  65             else if (eVaf::Common::isFalse(value))
  66                 return QVariant(false);
  67             else
  68                 return QVariant(v);
  69             break;
  70         }
  71         case QVariant::Char: {
  72             if (value.size() > 0)
  73                 return QVariant(value.at(0));
  74             else
  75                 return defaultValue;
  76             break;
  77         }
  78         default:
  79             return QVariant(value);
  80     }
  81 }