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/*
* sccsname.cc: Part of GNU CSSC.
*
*
* Copyright (C) 1997, 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_name.
*
*/
#ifdef __GNUC__
#pragma implementation "sccsname.h"
#endif
#include "cssc.h"
#include "sccsname.h"
#include <ctype.h>
#ifdef CONFIG_SCCS_IDS
static const char rcs_id[] = "CSSC $Id: sccsname.cc,v 1.10 2001/09/29 19:39:41 james_youngman Exp $";
#endif
#ifdef CONFIG_MSDOS_FILES
#error The CONFIG_MSDOS_FILES option is no longer supported. See sccsname.cc.
// Please feel free to add the support yourself. Don't forget
// to send the patches to <jay@gnu.org>.
#endif
mystring
base_part(const mystring &name)
{
mystring dirname, basename;
split_filename(name, dirname, basename);
return basename;
}
int
sccs_name::valid_filename(const char *thename)
{
ASSERT(0 != thename);
if (thename && thename[0])
{
mystring base = base_part(mystring(thename));
const int valid = (base.at(0) == 's' && base.at(1) == '.');
#if 0
fprintf(stderr, "valid_filename returning %d\n", valid);
#endif
return valid;
}
else
{
// empty filename; not valid.
return 0;
}
}
void
sccs_name::create()
{
#if 0
fprintf(stderr, "sccs_name::create(): sname='%s'\n", sname.c_str());
#endif
// derive all other names from "name",
// when they're asked for.
mystring dirname, basename;
split_filename(sname, dirname, basename);
#if 0
fprintf(stderr, "sccs_name::create(): dirname='%s', basename='%s'\n",
dirname.c_str(), basename.c_str());
#endif
name_front = dirname;
if (basename.length() >= 2)
{
const char *s = basename.c_str();
// name_rear does not contain the "s"
// of the "s." but does contain the dot itself.
name_rear = mystring(s+1);
// The gname does not include the directory part,
// or the leading "s.".
gname = mystring(s+2);
}
else
{
name_rear = basename;
gname = mystring("");
}
}
// I don't think we EVER need this function.
// sccs_name::sccs_name(sccs_name const &from) : lock_cnt(from.lock_cnt)
// {
// sname = from.sfile();
// create();
// }
sccs_name &
sccs_name::operator =(const mystring &newname)
{
ASSERT(newname.length() != 0);
#if 0
fprintf(stderr, "sccs_name::operator=(const mystring&): newname='%s'\n",
newname.c_str());
#endif
sname = newname;
create();
return *this;
}
mystring sccs_name::
sub_file(char insertme) const
{
char prefix[2];
prefix[0] = insertme;
prefix[1] = 0;
mystring ret = name_front + mystring(prefix) + name_rear;
#if 0
fprintf(stderr,
"sccs_name::sub_file('%c') returning \"%s\".\n",
insertme, ret.c_str());
#endif
return ret;
}
#ifdef CONFIG_FILE_NAME_GUESSING
void
sccs_name::make_valid()
{
ASSERT(sname.length() != 0);
ASSERT(!valid_filename(sname.c_str()));
#if 0
fprintf(stderr, "Making filename '%s' valid...\n",
sname.c_str());
#endif
mystring dirpart, basepart;
split_filename(sname, dirpart, basepart);
// try dir/s.foo
const mystring s_dot_foo = mystring("s.") + basepart;
sname = dirpart + s_dot_foo;
if (!is_readable(sname.c_str()))
{
// try dir/SCCS/s.foo
const mystring tmp = dirpart + mystring("SCCS/") + s_dot_foo;
if (is_readable(tmp.c_str()))
sname = tmp;
}
create();
}
#endif /* CONFIG_FILE_NAME_GUESSING */
/* Local variables: */
/* mode: c++ */
/* End: */
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