/// <summary>
/// parsing the XML
/// TODO: need to check whether we have bml tag or not
/// </summary>
/// <param name="reader"></param> the XMLReader
private void Parse(XmlReader reader)
{
BMLBml currentBml = null;
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
if (blocks.ContainsKey(reader.Name))
{
Type t = blocks[reader.Name];
BMLBlock instance = (BMLBlock)Activator.CreateInstance(t);
instance.SetOffset(timer);
instance.Parse(reader);
// TODO: need to accomodate different tag such as constraint, ...
if (instance is BMLBml)
{
BMLBml bml = (BMLBml)instance;
if (bml.composition == BMLBml.Composition.REPLACE)
{
// The new block will completely replace all prior <bml> blocks.
// All behavior specified in earlier blocks will be ended and
ClearBlocks();
// TODO: the ECA will revert to a neutral state before the new block starts.
}
else if (bml.composition == BMLBml.Composition.APPEND)
{
// The start time of the new block will be as soon as possible after the end time of all prior blocks.
if (currentBml != null)
{
bml.SetGlobalStartTrigger(currentBml.id + ":globalEnd");
}
}
else if (bml.composition == BMLBml.Composition.MERGE)
{
// The behaviors specified in the new <bml> block will be realized together with the behaviors specified in prior <bml> blocks.
// TODO: In case of conflict, behaviors in the newly merged <bml> block cannot modify behaviors defined by prior <bml> blocks.
}
// save this bml for upcomming tag
currentBml = bml;
// add to scheduled block
scheduledBlocks.Add((bml).id, bml);
}
else
{
// create a new bml if this xml is started without <bml> tag
if (currentBml == null)
{
currentBml = new BMLBml();
}
// track this tag belong to a bml tag
instance.parentBml = currentBml;
// keep tracking the number of tag inside <bml> tag. in order to check whether all bml inside this <bml> tag are already finish or not
instance.parentBml.IncreaseChild();
if (instance is BMLBehavior)
{
// add to scheduled block
scheduledBlocks.Add(((BMLBehavior)instance).id, (BMLBehavior)instance);
}
}
}
break;
}
}
}
public BMLScheduler(BMLBlock bmlBlock)
{
_bmlBlock = bmlBlock;
}
