/// <summary>
/// Installs the exit handler.
/// </summary>
/// <returns>The exit handler.</returns>
/// <param name="type">Type.</param>
/// <param name="id">Identifier.</param>
/// <param name="position">Position.</param>
/// <param name="cb">Callback</param>
/// <param name="data">Data.</param>
public int InstallExitHandler(uint type, uint id, ContextInfoLocation position, IFFCallBack cb, object data)
{
return(InstallHandler(type, id, GenericChunkIds.CI_EXITHANDLER, position, cb, data));
}
/// <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);
}
/// <summary>
/// Initializes a new instance of the <see cref="T:IffParse.Lists.ContextInfoNode"/> class.
/// </summary>
/// <param name="id">Identifier.</param>
/// <param name="type">Type.</param>
/// <param name="identifier">Identifier.</param>
/// <param name="dataSize">Data size.</param>
/// <param name="callback">Callback.</param>
public ContextInfoNode(UInt32 id, UInt32 type, UInt32 identifier, UInt64 dataSize, IFFCallBack callback)
{
this.Id = id;
this.Type = type;
this.Identifier = identifier;
this.PurgeCallBack = callback;
if (dataSize > 0)
{
this.Data = new byte[dataSize];
this.DataSize = dataSize;
}
else
{
this.Data = null;
}
}
