diff options
Diffstat (limited to 'source/blender/writestreamglue/intern/BLO_streamGlueControl.c')
-rw-r--r-- | source/blender/writestreamglue/intern/BLO_streamGlueControl.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/source/blender/writestreamglue/intern/BLO_streamGlueControl.c b/source/blender/writestreamglue/intern/BLO_streamGlueControl.c new file mode 100644 index 00000000000..fc12738fa35 --- /dev/null +++ b/source/blender/writestreamglue/intern/BLO_streamGlueControl.c @@ -0,0 +1,90 @@ +/** + * $Id$ + * + * ***** 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); +} + |