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

128 lines
2.9 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: DataRepository.C /main/3 1996/08/21 15:46:21 drk $ */
#include "dti_cc/CC_Stack.h"
#include "dti_cc/CC_Slist.h"
/* Imported Interfaces */
#include "Task.h"
#include "FlexBuffer.h"
#include "DataRepository.h"
//-------------Initializer for the zone_name mapping ----------------
static const char *zone_name[] = {
"D",
"H",
"G",
"E",
"I",
"T"
};
//------------------------------------------------------------------
DataRepository::DataRepository()
{
for ( int i = 0; i < Total; i++ ) {
table[i] = NULL;
}
zone_stack = new Stack<Rec>;
current_buf = NULL;
}
//------------------------------------------------------------------
DataRepository::~DataRepository()
{
delete zone_stack;
// destroy the table
for ( int i = 0; i < Total; i++ ) {
delete table[i];
}
}
//------------------------------------------------------------------
void
DataRepository::ActivateZone( int zt, int level )
{
if ( !table[zt] ) {
table[zt] = new FlexBuffer;
}
// prepare a buffer to be written
Rec rec( level, table[zt] );
zone_stack->push ( rec );
current_buf = table[zt];
}
//------------------------------------------------------------------
void
DataRepository::deActivateZone( int level )
{
if ( zone_stack->empty() ) {
return;
}
if ( zone_stack->top().level != level ) {
return;
}
zone_stack->pop();
// update the current_buf
if ( !zone_stack->empty() ) {
current_buf = zone_stack->top().Buf;
}
}
//------------------------------------------------------------------
void
DataRepository::put(char ch)
{
if ( current_buf ) {
current_buf->put( ch );
}
}
//------------------------------------------------------------------
void
DataRepository::write( const char *str, size_t n )
{
current_buf->write( str, n );
}
//-------------------------------------------------------------------
const char *
DataRepository::get_zone_name( int zt )
{
if ( zt >= Total ) {
return NULL;
}
return ( zone_name[zt] );
}