cxTypeConversions.h

Go to the documentation of this file.

/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/

#ifndef CXTYPECONVERSIONS_H_
#define CXTYPECONVERSIONS_H_

#include "cxResourceExport.h"

#include <string>
#include <vector>
#include <QString>
#include <QVariant>
#include <QDomDocument>
#include <QColor>

#ifndef Q_MOC_RUN // workaround for bug in moc vs boost 1.48+: https://bugreports.qt-project.org/browse/QTBUG-22829
#include <boost/lexical_cast.hpp>
#endif

template<class T>
std::string string_cast(const T& val)
{
        return boost::lexical_cast<std::string>(val);
}

template<class T>
QString qstring_cast(const T& val)
{
        return QString::fromStdString(string_cast(val));
}

class cxResource_EXPORT cstring_cast_Placeholder
{
public:
        explicit cstring_cast_Placeholder(const QString& val) : mData(val.toStdString()) {}
        operator const char*() const { return mData.c_str(); }
        operator char*() const { return const_cast<char*>(mData.c_str()); } // use with extreme caution.
        const char* c() const { return mData.c_str(); }
private:
        std::string mData;
};

template<class T>
cstring_cast_Placeholder cstring_cast(const T& val)
{
        return cstring_cast_Placeholder(string_cast(val));
}
template<> cxResource_EXPORT cstring_cast_Placeholder cstring_cast<QString>(const QString& val);
template<> cxResource_EXPORT cstring_cast_Placeholder cstring_cast<QVariant>(const QVariant& val);

cxResource_EXPORT std::ostream& operator<<(std::ostream& str, const QString& qstring);

cxResource_EXPORT std::vector<double> convertQString2DoubleVector(const QString& input, bool* ok=0);

template<class T>
QString streamXml2String(T& val)
{
        QDomDocument doc;
        QDomElement root = doc.createElement("root");
        doc.appendChild(root);

        val.addXml(root);
        return doc.toString();
}
template<> cxResource_EXPORT QString streamXml2String(QString& val);

cxResource_EXPORT QString color2string(QColor color);
cxResource_EXPORT QColor string2color(QString input, QColor defaultValue=QColor("green"));

#endif /*CXTYPECONVERSIONS_H_*/