VariantHash_p.h

#include <QVariant>
#include <QHash>
 
#include "Logging.h"
 
inline uint qHash(const QVariant& var, uint seed = 0)
{
  switch(var.userType())
  {
    case QVariant::Int:
      return qHash(var.toInt(), seed);
    case QVariant::UInt:
      return qHash(var.toUInt(), seed);
    case QVariant::Bool:
      return qHash(var.toUInt(), seed);
    case QVariant::Double:
      return qHash(var.toUInt(), seed);
    case QVariant::LongLong:
      return qHash(var.toLongLong(), seed);
    case QVariant::ULongLong:
      return qHash(var.toULongLong(), seed);
    case QVariant::String:
      return qHash(var.toString(), seed);
    case QVariant::Char:
      return qHash(var.toChar(), seed);
    case QVariant::StringList:
      return qHash(var.toString(), seed);
    case QVariant::ByteArray:
      return qHash(var.toByteArray(), seed);
    case QVariant::Date:
    case QVariant::Time:
    case QVariant::DateTime:
    case QVariant::Url:
    case QVariant::Locale:
    case QVariant::RegExp:
      return qHash(var.toString(), seed);
    case QVariant::Map:
    case QVariant::List:
    case QVariant::BitArray:
    case QVariant::Size:
    case QVariant::SizeF:
    case QVariant::Rect:
    case QVariant::LineF:
    case QVariant::Line:
    case QVariant::RectF:
    case QVariant::Point:
    case QVariant::PointF:
    default:
      // not supported yet
      break;
    case QVariant::UserType:
    case QVariant::Invalid:
      return -1;
  }
  KNOWCORE_LOG_WARNING("qHash(QVariant) unkwown type: {}", var.userType());
  // could not generate a hash for the given variant
  return -1;
}