cdesktopenv/cde/programs/dtdocbook/infolib/DataTask.C

72 lines
1.6 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 libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: DataTask.C /main/3 1996/08/21 15:46:25 drk $ */
/* exported interfaces... */
#include "DataTask.h"
/* imported interfaces... */
#include "Token.h"
DataTask::DataTask(const Token&) : buf()
{
level = 1;
}
void DataTask::markup(const Token &t)
{
switch(t.type()){
case START:
/*
* be careful not to start collecting again after the relavent
* element is done!
*/
if(level > 0) level++;
break;
case END:
if(level > 0) level--;
break;
default:
break;
}
}
void DataTask::data(const char *chars, size_t len)
{
if(level > 0){
buf.write(chars, len);
}
}
const char * DataTask::content(size_t *len)
{
if(len) *len = buf.GetSize();
return buf.GetBuffer();
}