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);
+}
+