/usr/include/licq/plugin/plugininstance.h is in licq-dev 1.8.2-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | /*
* This file is part of Licq, an instant messaging client for UNIX.
* Copyright (C) 2013 Licq Developers <licq-dev@googlegroups.com>
*
* Please refer to the COPYRIGHT file distributed with this source
* distribution for the names of the individual contributors.
*
* Licq 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.
*
* Licq 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 Licq; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef LICQ_PLUGININSTANCE_H
#define LICQ_PLUGININSTANCE_H
#include "plugininterface.h"
#include <boost/noncopyable.hpp>
#include <boost/shared_ptr.hpp>
namespace Licq
{
/**
* Represents an instance of a loaded plugin.
*/
class PluginInstance : private boost::noncopyable
{
public:
/// A smart pointer to a Plugin instance
typedef boost::shared_ptr<PluginInstance> Ptr;
/// Get the instance's unique id.
virtual int id() const = 0;
protected:
virtual ~PluginInstance() { }
virtual boost::shared_ptr<PluginInterface> internalInterface() = 0;
template <typename T> friend boost::shared_ptr<T> plugin_internal_cast(Ptr);
};
/**
* Function to cast a plugin instance to a plugin specific interface to get
* access to methods that only apply for a specific plugin instance. To
* e.g. get access to ICQ specific methods, do:
* @code
* Licq::IcqProtocol::Ptr icq = plugin_internal_cast<Licq::IcqProtocol>(
* Licq::gPluginManager.getProtocolInstance(myIcqOwner));
* if (icq)
* icq->icqSendSms(...);
* @endcode
*/
template <typename T>
inline boost::shared_ptr<T> plugin_internal_cast(PluginInstance::Ptr instance)
{
return instance
? boost::dynamic_pointer_cast<T>(instance->internalInterface())
: boost::shared_ptr<T>();
}
// plugin_internal_cast<>() is not supposed to be used to cast to
// PluginInterface, GeneralPluginInterface or ProtocolPluginInterface; only to
// plugin specific interfaces.
template <> inline boost::shared_ptr<PluginInterface>
plugin_internal_cast<PluginInterface>(PluginInstance::Ptr);
class GeneralPluginInterface;
template <> boost::shared_ptr<GeneralPluginInterface>
plugin_internal_cast<GeneralPluginInterface>(PluginInstance::Ptr);
class ProtocolPluginInterface;
template <> boost::shared_ptr<ProtocolPluginInterface>
plugin_internal_cast<ProtocolPluginInterface>(PluginInstance::Ptr);
} // namespace Licq
// Make available in global namespace
using Licq::plugin_internal_cast;
#endif
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