private static int HandlePropertyChunk(IFFParser iff, object userData)
{
int err;
var cn = iff.GetCurrentContext();
var ci = new ContextInfoNode(cn.Id, cn.Type, GenericChunkIds.CI_PROPCHUNK, cn.Size, null);
if (ci != null)
{
var buffer = new byte[cn.Size];
err = iff.BufferChunk((int)cn.Size, ref buffer);
if (err >= 0)
{
ci.Data = buffer;
err = iff.StoreContextInfo(ci, ContextInfoLocation.Prop);
if (err >= 0)
{
return(1);
}
}
ci.Dispose();
}
else
{
err = (int)ParserStatus.OutOfMemory;
}
return(err);
}
/// <summary>
/// Purges the context info node.
/// </summary>
/// <returns>The context info node.</returns>
/// <param name="contextInfoNode">Context info node.</param>
protected int PurgeContextInfoNode(ContextInfoNode contextInfoNode)
{
if (contextInfoNode.PurgeCallBack != null)
{
return(contextInfoNode.PurgeCallBack(this, contextInfoNode));
}
contextInfoNode.Dispose();
return(0);
}
/// <summary>
/// Install a handler node into the current context
/// </summary>
/// <returns></returns>
private int InstallHandler(uint type, uint id, uint identifier, ContextInfoLocation position, IFFCallBack callbackHandler, object data)
{
int err;
var ci = new ContextInfoNode(id, type, identifier, 0, null);
if (ci != null)
{
var ch = new ChunkHandler {
ChunkHandlerCallBack = callbackHandler,
UserData = data
};
ci.ChunkHandler = ch;
err = StoreContextInfo(ci, position);
if (err < 0)
{
ci.Dispose();
}
return(err);
}
return(0);
}