/usr/include/sidplayfp/sidbuilder.h is in libsidplayfp-dev 1.2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* This file is part of libsidplayfp, a SID player engine.
*
* Copyright 2011-2013 Leandro Nini <drfiemost@users.sourceforge.net>
* Copyright 2007-2010 Antti Lankila
* Copyright 2000-2001 Simon White
*
* 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.
*/
#ifndef SIDBUILDER_H
#define SIDBUILDER_H
#include <set>
#include <string>
#include "sidplayfp/SidConfig.h"
class sidemu;
class EventContext;
/**
* Base class for sid builders.
*/
class sidbuilder
{
protected:
typedef std::set<sidemu*> emuset_t;
private:
const char * const m_name;
protected:
std::string m_errorBuffer;
emuset_t sidobjs;
bool m_status;
protected:
/**
* Utility class for setting emu parameters in builders.
*/
template<class Temu, typename Tparam>
class applyParameter
{
protected:
Tparam m_param;
void (Temu::*m_method)(Tparam);
public:
applyParameter(void (Temu::*method)(Tparam), Tparam param) :
m_param(param),
m_method(method) {}
void operator() (sidemu *e) { (static_cast<Temu*>(e)->*m_method)(m_param); }
};
public:
sidbuilder(const char * const name) :
m_name(name),
m_errorBuffer("N/A"),
m_status (true) {}
virtual ~sidbuilder() {}
/**
* The number of used devices.
*
* @return number of used sids, 0 if none.
*/
unsigned int usedDevices() const { return sidobjs.size (); }
/**
* Available devices.
*
* @return the number of available sids, 0 = endless.
*/
virtual unsigned int availDevices() const = 0;
/**
* Create the sid emu.
*
* @param sids the number of required sid emu
*/
virtual unsigned int create(unsigned int sids) = 0;
/**
* Find a free SID of the required specs
*
* @param env the event context
* @param model the required sid model
* @return pointer to the locked sid emu
*/
sidemu *lock(EventContext *env, SidConfig::sid_model_t model);
/**
* Release this SID.
*
* @param device the sid emu to unlock
*/
void unlock(sidemu *device);
/**
* Remove all SID emulations.
*/
void remove();
/**
* Get the builder's name.
*
* @return the name
*/
const char *name() const { return m_name; }
/**
* Error message.
*
* @return string error message.
*/
const char *error() const { return m_errorBuffer.c_str(); }
/**
* Determine current state of object.
*
* @return true = okay, false = error
*/
bool getStatus() const { return m_status; }
/**
* Get the builder's credits.
*
* @return credits
*/
virtual const char *credits() const = 0;
/**
* Toggle sid filter emulation.
*
* @param enable true = enable, false = disable
*/
virtual void filter(bool enable) = 0;
};
#endif // SIDBUILDER_H
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