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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef FILTER_H
#define FILTER_H
#include "libsamplemacros.h"
#include <string>
#include <list>
class Intersection;
class LIBSAMPLE_API Filter
{
};
class LIBSAMPLE_API Data : public Filter
{
public:
enum Field {
Name,
Album,
Year
};
explicit Data(Field field, std::string value);
Field field() const { return m_field; }
std::string value() const { return m_value; }
private:
Field m_field;
std::string m_value;
};
class LIBSAMPLE_API Union : public Filter
{
public:
Union(const Data &);
Union(const Intersection &);
Union() = default;
std::list<Filter> filters() const { return m_filters; }
void addFilter(const Filter &data) { m_filters.push_back(data); }
private:
std::list<Filter> m_filters;
};
class LIBSAMPLE_API Intersection : public Filter
{
public:
Intersection(const Data &);
Intersection(const Union &);
Intersection() = default;
std::list<Filter> filters() const { return m_filters; }
void addFilter(const Filter &data) { m_filters.push_back(data); }
private:
std::list<Filter> m_filters;
};
LIBSAMPLE_API Intersection operator&(const Intersection &a, const Intersection &b);
#endif // FILTER_H
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