30448f62
 Peter M. Groen
Replace Qt with s...
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#ifndef OSDEV_COMPONENTS_DCXMLDAL_H
#define OSDEV_COMPONENTS_DCXMLDAL_H
#include <QHash>
#include <QString>
#include "dcxmlbase.h"
#include "log.h"
#include "memory"
namespace osdev {
namespace components {
/*!
* \brief The DcXmlDal class
* Reads data from the configuration and makes it easily accessible
*/
class DcXmlDal : public DcXmlBase
{
public:
/// @return the one and only instance of the config object.
static DcXmlDal& Instance();
/// The constructor
DcXmlDal( const QString &fileName = QString() );
/// The destructor
virtual ~DcXmlDal();
/// Deleted copy-constructor
DcXmlDal( const DcXmlDal& ) = delete;
/// Deleted assignment constructor
DcXmlDal& operator=( const DcXmlDal& ) = delete;
/// Deleted move-constructor
DcXmlDal( DcXmlDal&& ) = delete;
/// Deleted move-operator
DcXmlDal& operator=( DcXmlDal&& ) = delete;
// ==========================================================
/*!
* \brief loadConfiguration - This function loads the xml file into memory
* \param configDir - configuration directory
* \param fileName - configuration file name
* \return true if succeeded
*/
bool loadConfiguration( const QString &configDir, const QString &fileName );
/*!
* \brief loadConfiguration - This function loads the xml file into memory
* \param fileName - configuration file name
* \return true if succeeded
*/
bool loadConfiguration( const QString &fileName );
/*!
* \brief constructXPathHash - This function initializes all XML XPaths
*/
void constructXPathHash();
/*!
* \brief getQueries - This function fetches all function names from the config
* \return a list of function names received from the config
*/
QStringList getQueries() const;
/*!
* \brief getQueryByName - This function returns the value of the requested function name
* \param _queryName - function name to look up
* \return the value matching to the function name
*/
QString getQueryByName( const QString &_queryName ) const;
private:
static std::unique_ptr<DcXmlDal> s_instance; ///< Singleton pointer
};
} /* end namespace components */
} /* end namespace osdev */
#endif // OSDEV_COMPONENTS_DCXMLDAL_H
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