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/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
* define what actions a write stream should do
*/
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include "BLO_writeStreamGlue.h"
struct streamGlueControlStruct *
streamGlueControlConstructor(
void)
{
struct streamGlueControlStruct *control;
control = malloc(sizeof(struct streamGlueControlStruct));
assert(control);
// TODO handle malloc errors
control->actions = 0;
control->actionsDone = 0;
memset(control->action, 0, MAXSTREAMLENGTH);
return(control);
}
void
streamGlueControlDestructor(
struct streamGlueControlStruct *streamControl)
{
free(streamControl);
}
int
streamGlueControlAppendAction(
struct streamGlueControlStruct *streamControl,
unsigned char nextAction)
{
assert(streamControl);
assert(streamControl->actions < MAXSTREAMLENGTH);
streamControl->action[streamControl->actions] = nextAction;
streamControl->actions++;
return(streamControl->actions);
}
unsigned char
streamGlueControlGetNextAction(
struct streamGlueControlStruct *streamControl)
{
unsigned char nextAction;
assert(streamControl);
assert(streamControl->actionsDone < streamControl->actions);
if (streamControl->actionsDone >= streamControl->actions) {
// the stream should have been terminated by a data
// processor, but instead streamGlue is called again ...
nextAction = UNKNOWN; // best guess ...
} else {
nextAction = streamControl->action[streamControl->actionsDone];
streamControl->actionsDone++;
}
return(nextAction);
}
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