138 lines
4.9 KiB
C++
138 lines
4.9 KiB
C++
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these librararies and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*%% (c) Copyright 1993, 1994 Hewlett-Packard Company */
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/*%% (c) Copyright 1993, 1994 International Business Machines Corp. */
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/*%% (c) Copyright 1993, 1994 Sun Microsystems, Inc. */
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/*%% (c) Copyright 1993, 1994 Novell, Inc. */
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/*%% $XConsortium: CoEdTextChange.h /main/3 1995/10/23 09:43:46 rswiston $ */
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/* -*-C++-*-
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*
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* CoEdTextChange.h
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*
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* Copyright (c) 1991 by Sun Microsystems. All Rights Reserved.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the names of Sun
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* Microsystems and its subsidiaries not be used in advertising or
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* publicity pertaining to distribution of the software without
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* specific, written prior permission. Sun Microsystems and its
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* subsidiaries make no representations about the suitability of this
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* software for any purpose. It is provided "as is" without express
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* or implied warranty.
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*
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* Sun Microsystems and its subsidiaries disclaim all warranties with
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* regard to this software, including all implied warranties of
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* merchantability and fitness. In no event shall Sun Microsystems or
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* its subsidiaries be liable for any special, indirect or
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* consequential damages or any damages whatsoever resulting from loss
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* of use, data or profits, whether in an action of contract,
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* negligence or other tortious action, arising out of or in
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* connection with the use or performance of this software.
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*/
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#ifndef CoEdTextChange_h
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#define CoEdTextChange_h
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#define InLibCoEd
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#include "CoEd.h"
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#include "CoEdTextVersion.h"
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class CoEdTextChange {
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friend class CoEdTextChangeList;
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friend class CoEdChangeHistory;
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friend class CoEdChangeQueue;
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public:
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CoEdTextChange();
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CoEdTextChange( long start, long end, const char *text,
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const CoEdTextVersion *appliesTo,
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const CoEdSiteID *causer, int changeNum );
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CoEdTextChange( const CoEdTextChange &change );
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CoEdTextChange( Tt_message msg, CoEdStatus &status );
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~CoEdTextChange();
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CoEdStatus broadcast( const char *path ) const;
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int knowsOfNewerChangesThan(
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const CoEdTextVersion &version ) const
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{ return _appliesTo->knowsOfNewerChangesThan(
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version ); }
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int knowsOfNewerChangesThan(
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const CoEdTextChange &change ) const
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{ return _appliesTo->knowsOfNewerChangesThan(
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*change._appliesTo ); }
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int knowsOf( const CoEdTextChange &change ) const
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{ return _appliesTo->knowsOf( *change._causer,
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change._changeNum ); }
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void interTranslate( CoEdTextChange &chng2Xlate );
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void translateOver( const CoEdTextChange &chng2Hurdle );
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long adjustPt( long pt, const CoEdSiteID &ptOwner,
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int directionToLean ) const;
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void print( FILE *f );
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long charsAddedBy() const { return _charsAdded; }
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long start() const { return _start; }
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long end() const { return _end; }
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const char *text() const { return _text; }
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const CoEdSiteID &causer() const { return *_causer; }
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int changeNum() const { return _changeNum; }
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private:
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long _start;
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long _end;
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const char *_text;
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CoEdTextVersion *_appliesTo;
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CoEdSiteID *_causer;
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int _changeNum;
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long _charsAdded;
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CoEdTextChange *_next;
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CoEdTextChange *_prev;
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};
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class CoEdTextChangeList {
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friend class CoEdChangeHistory;
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friend class CoEdChangeQueue;
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public:
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CoEdTextChangeList();
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~CoEdTextChangeList();
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void push( CoEdTextChange *change );
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void append( CoEdTextChange *change );
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void insertBefore( CoEdTextChange *change1,
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CoEdTextChange *change2 );
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void insertAfter( CoEdTextChange *change2,
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CoEdTextChange *change1 );
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CoEdTextChange *remove( CoEdTextChange *change );
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void print( FILE *f, char *indent = "" );
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private:
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CoEdTextChange *_head;
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CoEdTextChange *_tail;
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int _count;
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};
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#endif CoEdTextChange_h
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