[pclasses-cvs] pclasses2/include/pclasses/IO IODevice.h,NONE,1.1 IOError.h,NONE,1.1 Makefile.am,NONE,1.1

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

Update of /cvsroot/pclasses/pclasses2/include/pclasses/IO
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv14702/include/pclasses/IO

Added Files:
	IODevice.h IOError.h Makefile.am 
Log Message:
Moved IODevice, IOError into P::IO namespace. Moved Char, String,
TextStream into P::Unicode namespace.


--- NEW FILE: IODevice.h ---
/***************************************************************************
 *   Copyright (C) 2004 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.             *
 ***************************************************************************/

#ifndef P_IO_IODevice_h
#define P_IO_IODevice_h

#include <pclasses/BasicTypes.h>
#include <pclasses/IO/IOError.h>

namespace P {

namespace IO {

class IOListener;

//! I/O Device base class
class IODevice {
	public:
		friend class IOListener;

		enum OpenMode {
			OpenCreate,
			CreateFail,
			OpenFail
		};

		enum AccessMode {
			None       = 0x00,
			Read       = 0x01,
			Write      = 0x02, 
			ReadWrite  = 0x03
		};

		enum ShareMode {
			AllowNone       = 0x00,
			AllowRead       = 0x01,
			AllowWrite      = 0x02,
			AllowReadWrite  = 0x03
		};

		enum SeekMode {
			SeekSet,
			SeekCurrent,
			SeekEnd
		};

		IODevice() throw();
		virtual ~IODevice() throw();

		virtual void close() throw(LogicError, IOError) = 0;

		virtual size_t read(char* buffer, size_t count) throw(IOError) = 0;

		virtual size_t peek(char* buffer, size_t count) throw(IOError);

		virtual size_t write(const char* buffer, size_t count) 
			throw(IOError) = 0;

		virtual bool isSeekable() const throw();

		virtual offset_t seek(offset_t offset, SeekMode mode) throw(IOError);

		virtual offset_t getPos() throw(IOError);

		virtual void commit() const throw(IOError);

		virtual offset_t size() const throw(IOError);

		bool valid() const throw();

		AccessMode access() const throw();

		bool eof() const throw();

	protected:
		IODevice(const IODevice& dev) throw();
		IODevice& operator=(const IODevice& dev) throw();

		void setValid(bool v) throw();
		void setAccess(AccessMode mode) throw();
		void setEof(bool eof) throw();

		virtual void addListener(IOListener& l);
		virtual void updateListener(IOListener& l);
		virtual void removeListener(IOListener& l);

	private:
		bool        _valid;
		AccessMode  _access;
		bool        _eof;
};

class IOListener {
	public:
		enum EventFlags {
			None      = 0x0,
			Read      = 0x1,
			Write     = 0x2,
			ReadWrite = 0x03
		};

		IOListener(IODevice& dev, int eventMask) throw();
		virtual ~IOListener() throw();

		IODevice& device() const throw();
		void setDevice(IODevice& dev) throw();

		int eventMask() const throw();
		void setEventMask(int eventMask) throw();

		virtual void onRead() = 0;
		virtual void onWrite() = 0;

	private:
		IODevice*  _dev;
		int        _eventMask;
};

} // !namespace IO

} // !namespace P

#endif

--- NEW FILE: Makefile.am ---
INCLUDES = 
METASOURCES = AUTO
pkginclude_HEADERS = IOError.h IODevice.h

--- NEW FILE: IOError.h ---
/***************************************************************************
 *   Copyright (C) 2004 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.             *
 ***************************************************************************/

#ifndef P_IO_IOError_h
#define P_IO_IOError_h

#include <pclasses/Exception.h>
#include <pclasses/Unicode/String.h>

namespace P {

namespace IO {

//! I/O Error class
class IOError: public RuntimeError {
	public:
		IOError(long errorNo, const char* what, const SourceInfo& si) throw();
		IOError(const IOError& err) throw();
		~IOError() throw();

		long errorNo() const throw();
		virtual Unicode::String text() const throw();

	private:
		long	_errorNo;
};

} // !namespace IO

} // !namespace P

#endif