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/* $Id$ */
/** @file ai_log.hpp Everything to handle and issue log messages. */
#ifndef AI_LOG_HPP
#define AI_LOG_HPP
#include "ai_object.hpp"
/**
* Class that handles all log related functions.
*/
class AILog : public AIObject {
/* AIController needs access to Enum and Log, in order to keep the flow from
* OpenTTD core to NoAI API clear and simple. */
friend class AIController;
public:
static const char *GetClassName() { return "AILog"; }
/**
* Log levels; The value is also feed to DEBUG() lvl.
* This has no use for you, as AI writer.
*/
enum AILogType {
LOG_SQ_ERROR = 0, //!< Squirrel printed an error.
LOG_ERROR = 1, //!< User printed an error.
LOG_SQ_INFO = 2, //!< Squirrel printed some info.
LOG_WARNING = 3, //!< User printed some warning.
LOG_INFO = 4, //!< User printed some info.
};
/**
* Internal representation of the log-data inside the AI.
* This has no use for you, as AI writer.
*/
struct LogData {
char **lines; //!< The log-lines.
AILog::AILogType *type; //!< Per line, which type of log it was.
int count; //!< Total amount of log-lines possible.
int pos; //!< Current position in lines.
int used; //!< Total amount of used log-lines.
};
/**
* Print an Info message to the logs.
* @param message The message to log.
*/
static void Info(const char *message);
/**
* Print a Warning message to the logs.
* @param message The message to log.
*/
static void Warning(const char *message);
/**
* Print an Error message to the logs.
* @param message The message to log.
*/
static void Error(const char *message);
/**
* Free the log pointer.
* @note DO NOT CALL YOURSELF; leave it to the internal AI programming.
*/
static void FreeLogPointer();
private:
/**
* Internal command to log the message in a common way.
*/
static void Log(AILog::AILogType level, const char *message);
};
#endif /* AI_LOG_HPP */
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