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EqualizerAPO/IFilterFactory.h

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/*
This file is part of EqualizerAPO, a system-wide equalizer.
Copyright (C) 2014 Jonas Thedering
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <string>
#include <vector>
#include "helpers/MemoryHelper.h"
#include "IFilter.h"
class FilterEngine;
#pragma AVRT_VTABLES_BEGIN
class IFilterFactory
{
public:
virtual ~IFilterFactory() {}
virtual void initialize(FilterEngine* engine) {}
virtual std::vector<IFilter*> startOfConfiguration() {return std::vector<IFilter*>();}
virtual std::vector<IFilter*> startOfFile(const std::wstring& configPath) {return std::vector<IFilter*>();}
// command and parameter may be altered by the factory
virtual std::vector<IFilter*> createFilter(const std::wstring& configPath, std::wstring& command, std::wstring& parameters) = 0;
virtual std::vector<IFilter*> endOfFile(const std::wstring& configPath) {return std::vector<IFilter*>();}
virtual std::vector<IFilter*> endOfConfiguration() {return std::vector<IFilter*>();}
};
#pragma AVRT_VTABLES_END