GUrl.hpp
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/***************************************************************************
* GUrl.hpp - Abstract URL base class *
* ----------------------------------------------------------------------- *
* copyright (C) 2013 by Juergen Knoedlseder *
* ----------------------------------------------------------------------- *
* *
* 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 3 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, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
/**
* @file GUrl.hpp
* @brief Abstract URL base class interface definition
* @author Juergen Knoedlseder
*/
#ifndef GURL_HPP
#define GURL_HPP
/* __ Includes ___________________________________________________________ */
#include <string>
#include "GBase.hpp"
/***********************************************************************//**
* @class GUrl
*
* @brief Abstract URL base class
*
* This class defines the abstract interface for all URL classes. The URL
* classes implement handling of various URL types through a standard
* interface. This allows to develop URL independent code.
***************************************************************************/
class GUrl : public GBase {
public:
// Constructors and destructors
GUrl(void);
GUrl(const GUrl& url);
virtual ~GUrl(void);
// Operators
GUrl& operator=(const GUrl& url);
// Pure virtual methods
virtual void clear(void) = 0;
virtual GUrl* clone(void) const = 0;
virtual void open(const std::string& url, const std::string& mode) = 0;
virtual void close(void) = 0;
virtual int read(void* buffer, const int& nbyte) = 0;
virtual int write(const void* buffer, const int& nbyte) = 0;
virtual int get_char(void) const = 0;
virtual void put_char(const int& character) = 0;
virtual void scanf(const char* format, ...) = 0;
virtual void printf(const char* format, ...) = 0;
virtual std::string print(const GChatter& chatter = NORMAL) const = 0;
protected:
// Protected methods
void init_members(void);
void copy_members(const GUrl& url);
void free_members(void);
};
#endif /* GURL_HPP */