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cdesktop/cde/programs/dtmail/dtmail/XmStrCollector.C
2012-03-10 18:58:32 +00:00

114 lines
2.7 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
*+SNOTICE
*
* $TOG: XmStrCollector.C /main/4 1997/09/04 09:18:11 mgreess $
*
* RESTRICTED CONFIDENTIAL INFORMATION:
*
* The information in this document is subject to special
* restrictions in a confidential disclosure agreement between
* HP, IBM, Sun, USL, SCO and Univel. Do not distribute this
* document outside HP, IBM, Sun, USL, SCO, or Univel without
* Sun's specific written approval. This document and all copies
* and derivative works thereof must be returned or destroyed at
* Sun's request.
*
* Copyright 1993 Sun Microsystems, Inc. All rights reserved.
*
*+ENOTICE
*/
/*
* The XmStrCollector class is simply a dynamic array of XmStrings.
* It is useful to build an XmStringTable to pass as an argument to
* any Motif widget that needs one (eg. XmList).
*/
#include <Xm/List.h>
#include <stdlib.h>
#include <stdio.h>
#include "XmStrCollector.h"
XmStrCollector::XmStrCollector()
{
// Initialize the class variables
num_items = 0;
max_num_items = 0;
increment = 10;
list = NULL;
}
XmStrCollector::~XmStrCollector()
{
// Free the list items
for (int i=0; i<num_items; i++)
XmStringFree (list[i]);
// Free the list
XtFree ((char *)list);
}
//
// Add an item to the string collector list
//
void
XmStrCollector::AddItemToList (XmString item)
{
// Allocate memory for 10 items at a time.
// When this memory is exceeded, allocate
// space for 10 more.
if (num_items >= max_num_items)
{
max_num_items += increment;
list = (XmString *) XtRealloc ((char *)list,
sizeof (XmString) *max_num_items);
}
list[num_items] = item;
num_items++;
}
//
// Get the XmStringTable
//
XmString *
XmStrCollector::GetItems()
{
return (list);
}
//
// Get the number of items
// in the XmStringTable
//
int
XmStrCollector::GetNumItems()
{
return (num_items);
}