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/*
* Copyright 2010,2011,2012 Reality Jockey, Ltd.
* info@rjdj.me
* http://rjdj.me/
*
* This file is part of ZenGarden.
*
* ZenGarden is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ZenGarden 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with ZenGarden. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef _ZG_CALLBACK_FUNCTION_H_
#define _ZG_CALLBACK_FUNCTION_H_
/** An enumeration of the different operations available from a context's callback function. */
typedef enum {
/** Print to standard out. Argument is char* to message buffer. */
ZG_PRINT_STD,
/** Print to standard error. Argument is char* to message buffer. */
ZG_PRINT_ERR,
/**
* Suggestion to turn on or off context signal processing. Argument is int* to 1 or 0.
* Note that message and signal processing are dependent in ZenGarden. If PdContext::process()
* is no longer called, then messages will also stop being processed.
*/
ZG_PD_DSP,
/**
* A message is being sent to the callback via a previously registered receiver.
*/
ZG_RECEIVER_MESSAGE,
/**
* An object/abstraction/external referenced in the current patch cannot be found. ptr is a
* char* string to the name of the object. If the path to the object definition can be supplied
* by the callback then it should be returns as a char*. The memory will be freed by the caller.
*/
ZG_CANNOT_FIND_OBJECT
} ZGCallbackFunction;
#endif // _ZG_CALLBACK_FUNCTION_H_