weiPlugin.h

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/*
    webEngine is the HTML processing library
    Copyright (C) 2009 Andrew Abramov aabramov@ptsecurity.ru

    This file is part of webEngine

    webEngineis 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 3 of the License, or
    (at your option) any later version.

    webEngineis 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 webEngine.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __WEIPLUGIN_H__
#define __WEIPLUGIN_H__
#include <string>
#include <boost/shared_ptr.hpp>
#include "weStrings.h"

using namespace boost;
using namespace std;

class iwePlugin
{
public:

    iwePlugin(void* handle = NULL) { usageCount = 0; libHandle = handle; };

    virtual ~iwePlugin() {};

    virtual shared_ptr<iwePlugin>& GetRef() { return (* new shared_ptr<iwePlugin>(this)); };

    virtual void* GetInterface(const string& ifName) = 0;

    virtual const string InterfaceName();

    virtual WeStringList InterfaceList();

    virtual const string GetDesc() = 0;

    virtual const string GetID() = 0;

    virtual char** GetIcon() = 0;

#ifndef __DOXYGEN__
protected:
    int usageCount;
    void* libHandle;

private:
    iwePlugin(iwePlugin&) {};               
    iwePlugin& operator=(iwePlugin&) { return *this; };    
#endif // __DOXYGEN__
};

typedef void* (*fnWePluginFactory)(void);

extern shared_ptr<iwePlugin>& weLoadPlugin(const string& libName);

#endif //__WEIPLUGIN_H__

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