68 lines
2.0 KiB
C
68 lines
2.0 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 libraries 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: tt_db_property.C /main/3 1995/10/23 10:04:30 rswiston $
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/*
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* tt_db_property.cc - Implement the _Tt_db_property class
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*
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* Copyright (c) 1992 by Sun Microsystems, Inc.
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*/
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#include "db/tt_db_property.h"
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// Constructors and destructors
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_Tt_db_property::
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_Tt_db_property ()
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{
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values = new _Tt_string_list;
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}
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_Tt_db_property::
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~_Tt_db_property ()
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{
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}
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// whether a property is empty
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int _Tt_db_property::
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is_empty() const
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// consider a property to be empty if it's values list is empty, or if all
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// entries in the values list are NULL content member tt_strings.
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{
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if (values->is_empty()) return TRUE; // empty values list case
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// check the list for all NULL content member tt_strings
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_Tt_string_list_cursor values_cursor(values);
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while (values_cursor.next()) if (*values_cursor != (const char*)NULL) return FALSE;
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return TRUE;
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}
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