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/*
* delta-iterator.cc: Part of GNU CSSC.
*
*
* Copyright (C) 1997,1999 Free Software Foundation, Inc.
*
* 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 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 General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*
* CSSC was originally Based on MySC, by Ross Ridge, which was
* placed in the Public Domain.
*
*
* Members of class delta_iterator.
*
*/
#include "cssc.h"
#include "sccsfile.h"
#include "delta.h"
#include "delta-iterator.h"
#include "delta-table.h"
#ifdef CONFIG_SCCS_IDS
static const char rcs_id[] = "CSSC $Id: delta-iterator.cc,v 1.5 2001/09/29 19:39:41 james_youngman Exp $";
#endif
delta_iterator::delta_iterator(cssc_delta_table *d)
: dtbl(d), pos(-1)
{
}
int
delta_iterator::next(int all)
{
ASSERT(0 != dtbl);
while (++pos < dtbl->length())
{
if (all || !dtbl->select(pos).removed())
{
return 1;
}
}
return 0;
}
int delta_iterator::index() const
{
return pos;
}
delta const *
delta_iterator::operator ->() const
{
ASSERT(0 != dtbl);
return &dtbl->select(pos);
}
delta *
delta_iterator::operator ->()
{
ASSERT(0 != dtbl);
return &dtbl->select(pos);
}
////////////////////////////////////////////////////////////
const_delta_iterator::const_delta_iterator(cssc_delta_table const *d)
: dtbl(d), pos(-1)
{
}
int
const_delta_iterator::next(int all)
{
ASSERT(0 != dtbl);
while (++pos < dtbl->length())
{
if (all || !dtbl->select(pos).removed())
{
return 1;
}
}
return 0;
}
int const_delta_iterator::index() const
{
return pos;
}
delta const *
const_delta_iterator::operator ->() const
{
ASSERT(0 != dtbl);
return &dtbl->select(pos);
}
/* Local variables: */
/* mode: c++ */
/* End: */
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