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//# TabPath.cc: Search path for table files
//# Copyright (C) 1993,1994,1995,1998
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library 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 Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//# $Id$
//# Includes
#include <casacore/tables/Tables/TabPath.h>
#include <casacore/casa/Exceptions/Error.h>
#include <unistd.h> // for system call access
namespace casacore { //# NAMESPACE CASACORE - BEGIN
//# This is the implementation of the class TabPath.
TabPath::TabPath()
: tabDir_p (10)
{
tabDir_p[0] = "./";
tabDir_p[1] = "~/TabDir/";
nrDir_p = 2;
}
TabPath::TabPath (const String& dir)
: tabDir_p (10)
{
tabDir_p[0] = dir;
nrDir_p = 1;
}
TabPath::~TabPath ()
{ ; }
Bool TabPath::found (const String& name, String& dir) const
{
uInt dirnr;
Bool sw = False;
for (dirnr=0; dirnr<nrDir_p; dirnr++) {
if (access ((tabDir_p[dirnr] + name).chars(), R_OK) == 0) {
sw = True; // found
break;
}
}
dirnr = 0; // use first directory for new tables
dir = tabDir_p[dirnr];
return sw;
}
// <thrown>
// <li> indexError<Int>
// </thrown>
const String& TabPath::dir (uInt dirnr) const
{
if (dirnr >= nrDir_p) {
throw (indexError<Int> ((Int)dirnr, "TabPath"));
}
return tabDir_p[dirnr];
}
} //# NAMESPACE CASACORE - END
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