UCStack.cpp

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/*
Copyright (C) 2003-2004 The Pentagram team

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include "pent_include.h"

#include "UCStack.h"
#include "IDataSource.h"
#include "ODataSource.h"

void UCStack::save(ODataSource* ods)
{
        ods->write4(size);
        ods->write4(getSP());

        ods->write(buf_ptr, stacksize());
}

bool UCStack::load(IDataSource* ids, uint32 version)
{
        size = ids->read4();
#ifdef USE_DYNAMIC_UCSTACK
        if (buf) delete[] buf;
        buf = new uint8[size];
#else
        if (size > sizeof(buf_array)) 
        {
                perr << "Error: UCStack size mismatch (buf_array too small)" << std::endl;
                return false;
        }
        buf = buf_array;
#endif
        uint32 sp = ids->read4();
        buf_ptr = buf + sp;

        ids->read(buf_ptr, size - sp);

        return true;
}

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