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/*
* sf-get3.cc: Part of GNU CSSC.
*
*
* Copyright (C) 1997,1999,2002 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 the class sccs_file used by get and delta.
*
*/
#include "cssc.h"
#include "sccsfile.h"
#include "seqstate.h"
#include "delta-iterator.h"
#ifdef CONFIG_SCCS_IDS
static const char rcs_id[] = "CSSC $Id: sf-get3.cc,v 1.19 2002/04/02 13:51:05 james_youngman Exp $";
#endif
/* Prepare a seqstate for use by marking which sequence numbers are to
* be included and which are to be excluded.
*/
bool
sccs_file::prepare_seqstate_2(seq_state &state, sid_list include,
sid_list exclude, sccs_date cutoff_date)
{
ASSERT(0 != delta_table);
const_delta_iterator iter(delta_table);
while (iter.next())
{
sid const &id = iter->id;
if (include.member(id)) // explicitly included on command line
{
state.set_explicitly_included(iter->seq,
(seq_no) seq_state::BY_COMMAND_LINE );
}
else if (exclude.member(id)) // explicitly included on command line
{
state.set_explicitly_excluded(iter->seq,
(seq_no) seq_state::BY_COMMAND_LINE );
}
else if (cutoff_date.valid() && iter->date > cutoff_date)
{
// Delta not explicitly included/excluded by the user, but
// if it is newer than the cutoff date, we don't want it.
// This is the feature that allows us to retrieve a delta
// that was current at some time in the past.
state.set_excluded(iter->seq, (seq_no) seq_state::BY_COMMAND_LINE);
}
ASSERT(0 != delta_table);
}
ASSERT(0 != delta_table);
return true;
}
bool sccs_file::prepare_seqstate(seq_state &state, seq_no seq,
sid_list include,
sid_list exclude, sccs_date cutoff_date)
{
if (!prepare_seqstate_1(state, seq))
return false;
if (!prepare_seqstate_2(state, include, exclude, cutoff_date))
return false;
return true;
}
bool
sccs_file::authorised() const {
int i;
int len;
const char *user = get_user_name();
len = users.length();
if (len != 0) {
int found = 0;
for(i = 0; i < len; i++)
{
const char *s = users[i].c_str();
char c = s[0];
// Regular SCCS does not underatand the use of "!username"
// to specifically exclude users. Hence for compatibility
// nor must we. Hence this next if statement is commented out.
#if 0
if (c == '!')
{
s++;
if (isdigit(c))
{
if (user_is_group_member(atoi(s)))
{
found = 0;
break;
}
}
else if (strcmp(s, user) == 0)
{
found = 0;
break;
}
else
{
continue;
}
}
#endif
if (isdigit(c))
{
if (user_is_group_member(atoi(s)))
{
found = 1;
break;
}
}
else if (strcmp(s, user) == 0)
{
found = 1;
break;
}
}
if (!found)
{
errormsg("%s: You are not authorized to make deltas.",
name.c_str());
return false;
}
}
return true;
}
/* Local variables: */
/* mode: c++ */
/* End: */
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