[pclasses-cvs] pclasses2/src/System StorageDevice.common.cpp,NONE,1.1

[Christian P. <cp...@us...>]

Update of /cvsroot/pclasses/pclasses2/src/System
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv513/src/System

Added Files:
	StorageDevice.common.cpp 
Log Message:
Added StorageDevice. 

--- NEW FILE: StorageDevice.common.cpp ---
/***************************************************************************
 *   Copyright (C) 2005 by Christian Prochnow                              *
 *   cp...@se...                                                   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Library 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 Library General Public     *
 *   License along with this program; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#include "pclasses/System/StorageDevice.h"
#include "IOHandle.h"

namespace P {

namespace System {

StorageDevice::StorageDevice() throw()
: _handle(0)
{
}

StorageDevice::StorageDevice(const std::string& path, AccessMode access, 
	ShareMode share) throw(IO::IOError)
: _handle(0)
{
	open(path,access,share);
}

StorageDevice::~StorageDevice() throw()
{
	if(valid())
	{
		try { close(); } catch(...) { }
	}
}

void StorageDevice::open(const std::string& str, AccessMode access, 
	ShareMode share) throw(IO::IOError)
{
	if(valid())
		close();

	_handle = (unsigned long)new IOHandle(str, access, IO::IODevice::OpenFail, share);
}

void StorageDevice::_close() throw(IO::IOError)
{
	delete (IOHandle*)_handle;
	_handle = 0;
}

size_t StorageDevice::_read(char* buffer, size_t count) throw(IO::IOError)
{
	return ((IOHandle*)_handle)->read(buffer, count);
}

size_t StorageDevice::_peek(char* buffer, size_t count) throw(IO::IOError)
{
	return ((IOHandle*)_handle)->peek(buffer, count);
}

size_t StorageDevice::_write(const char* buffer, size_t count) 
	throw(IO::IOError)
{
	return ((IOHandle*)_handle)->write(buffer, count);
}

offset_t StorageDevice::_seek(offset_t offset, SeekMode mode) 
	throw(IO::IOError)
{
	return ((IOHandle*)_handle)->seek(offset, mode);
}

bool StorageDevice::_isSeekable() const throw()
{
	return ((IOHandle*)_handle)->isSeekable();
}

void StorageDevice::_sync() const throw(IO::IOError)
{
	((IOHandle*)_handle)->sync();
}

offset_t StorageDevice::_size() const throw(IO::IOError)
{
	return ((IOHandle*)_handle)->size();
}

unsigned long StorageDevice::handle() const throw()
{
	return ((IOHandle*)_handle)->handle();
}

} // !namespace System

} // !namespace P