00001 #if !defined(__ITERATOR_HPP)
00002 #define __ITERATOR_HPP
00003
00004 /*
00005 CoreLinux++
00006 Copyright (C) 2000 CoreLinux Consortium
00007
00008 The CoreLinux++ Library is free software; you can redistribute it and/or
00009 modify it under the terms of the GNU Library General Public License as
00010 published by the Free Software Foundation; either version 2 of the
00011 License, or (at your option) any later version.
00012
00013 The CoreLinux++ Library Library is distributed in the hope that it will
00014 be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00016 Library General Public License for more details.
00017
00018 You should have received a copy of the GNU Library General Public
00019 License along with the GNU C Library; see the file COPYING.LIB. If not,
00020 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00021 Boston, MA 02111-1307, USA.
00022 */
00023
00024 #if !defined(__COMMON_HPP)
00025 #include <Common.hpp>
00026 #endif
00027
00028 #include <IteratorBoundsException.hpp>
00029
00030 namespace corelinux
00031 {
00032
00033 DECLARE_CLASS( IteratorBoundsException );
00034 DECLARE_CLASS( InvalidIteratorException );
00035
00043 template< class ElementType >
00044 class Iterator : public CoreLinuxObject
00045 {
00046 public:
00047
00048 //
00049 // Constructors and destructor
00050 //
00051
00053
00054 Iterator( void )
00055 :
00056 CoreLinuxObject()
00057 {
00058 ; // do nothing
00059 }
00060
00066 Iterator( const Iterator &aRef )
00067 :
00068 CoreLinuxObject( aRef )
00069 {
00070 ; // do nothing
00071 }
00072
00074
00075 virtual ~Iterator( void )
00076 {
00077 ; // do nothing
00078 }
00079
00080 //
00081 // Operator overloads
00082 //
00083
00090 Iterator & operator=( const Iterator & )
00091 {
00092 return (*this);
00093 }
00094
00101 bool operator==( const Iterator & aRef ) const
00102 {
00103 return (this == &aRef);
00104 }
00105
00106
00107 //
00108 // Accessors
00109 //
00117 virtual bool isValid( void ) const = 0;
00118
00127 virtual ElementType getElement( void )
00128 const throw(IteratorBoundsException) = 0;
00129
00130 //
00131 // Mutators
00132 //
00133
00135
00136 virtual void setFirst( void ) = 0;
00137
00144 virtual void setNext( void )
00145 throw(IteratorBoundsException) = 0;
00146
00153 virtual void setPrevious( void )
00154 throw(IteratorBoundsException) = 0;
00155
00162 virtual void setLast( void )
00163 throw(IteratorBoundsException) = 0;
00164
00165
00166 };
00167 }
00168
00169 #endif // if !defined(__ITERATOR_HPP)
00170
00171 /*
00172 Common rcs information do not modify
00173 $Author: prudhomm $
00174 $Revision: 1.2 $
00175 $Date: 2000/08/31 22:52:20 $
00176 $Locker: $
00177 */
00178