inifile_p.h

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#ifndef __COMMON_INIFILE_P_H
#define   __COMMON_INIFILE_P_H

#include <QSharedData>
#include <QExplicitlySharedDataPointer>
#include <QHash>
#include <QString>
#include <QVariant>
#include <QDateTime>
#include <QFile>


namespace eVaf {
namespace Common {
namespace Internal {

class IniFileValue : public QSharedData
{
public:

    IniFileValue(quint64 pos)
        : QSharedData()
        , filePos(pos)
        , thisOsOnly(false)
    {}

    quint64 filePos;

    QByteArray name;

    QByteArray paramValue;

    QVariant value;

    bool thisOsOnly;
};

class IniFileSection : public QSharedData
{
public:

    IniFileSection(quint64 pos)
        : QSharedData()
        , filePos(pos)
    {}

    quint64 filePos;

    QByteArray name;

    QHash<QByteArray, QExplicitlySharedDataPointer<IniFileValue> > values;

};

class IniFileImpl
{
public:

    IniFileImpl(QString const & fileName, QIODevice::OpenMode mode);

    ~IniFileImpl();

    QVariant getValue(QByteArray const & paramName, QVariant const & defaultValue);

    bool setValue(QByteArray const & paramName, QVariant const & value);

    inline bool isValid() const { return mValid; }

    inline QString const & fileName() const { return mFileName; }

    inline QString const & errorString() const { return mErrorString; }


private: // Members

    bool mValid;

    QString mFileName;

    QIODevice::OpenMode mMode;

    QString mErrorString;

    QHash<QByteArray, QExplicitlySharedDataPointer<IniFileSection> > mCache;

    QDateTime mLastModified;


private: 

    void updateCache(quint64 pos, qint64 diff);

    QExplicitlySharedDataPointer<IniFileSection> getSection(QFile & file, QByteArray const & sectionName);

    QExplicitlySharedDataPointer<IniFileValue> getParameter(QFile & file, IniFileSection & section, QByteArray const & paramName);

};


} // namespace eVaf::Common::Internal
} // namespace eVaf::Common
} // namespace eVaf

#endif // inifile_p.h