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/* purple
 *
 * Purple is the legal property of its developers, whose names are too numerous
 * to list here.  Please refer to the COPYRIGHT file distributed with this
 * source distribution.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
 */

#ifndef _PURPLE_DEBUG_H_
#define _PURPLE_DEBUG_H_
/**
 * SECTION:debug
 * @section_id: libpurple-debug
 * @short_description: <filename>debug.h</filename>
 * @title: Debug API
 */

#include <glib.h>
#include <glib-object.h>

#include <stdarg.h>

G_BEGIN_DECLS

#define PURPLE_TYPE_DEBUG_UI (purple_debug_ui_get_type())
#if GLIB_CHECK_VERSION(2,44,0)
G_DECLARE_INTERFACE(PurpleDebugUi, purple_debug_ui, PURPLE, DEBUG_UI, GObject)
#else
GType purple_debug_ui_get_type(void);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
typedef struct _PurpleDebugUi PurpleDebugUi;
typedef struct _PurpleDebugUiInterface PurpleDebugUiInterface;
static inline PurpleDebugUi *
PURPLE_DEBUG_UI(gpointer ptr)
{
	return G_TYPE_CHECK_INSTANCE_CAST(ptr, purple_debug_ui_get_type(), PurpleDebugUi);
}
static inline gboolean
PURPLE_IS_DEBUG_UI(gpointer ptr)
{
	return G_TYPE_CHECK_INSTANCE_TYPE(ptr, purple_debug_ui_get_type());
}
static inline PurpleDebugUiInterface *
PURPLE_DEBUG_UI_GET_IFACE(gpointer ptr)
{
	return G_TYPE_INSTANCE_GET_INTERFACE(ptr, purple_debug_ui_get_type(), PurpleDebugUiInterface);
}
G_GNUC_END_IGNORE_DEPRECATIONS
#endif

/**
 * PurpleDebugLevel:
 * @PURPLE_DEBUG_ALL:     All debug levels.
 * @PURPLE_DEBUG_MISC:    General chatter.
 * @PURPLE_DEBUG_INFO:    General operation Information.
 * @PURPLE_DEBUG_WARNING: Warnings.
 * @PURPLE_DEBUG_ERROR:   Errors.
 * @PURPLE_DEBUG_FATAL:   Fatal errors.
 *
 * Debug levels.
 */
typedef enum
{
	PURPLE_DEBUG_ALL = 0,
	PURPLE_DEBUG_MISC,
	PURPLE_DEBUG_INFO,
	PURPLE_DEBUG_WARNING,
	PURPLE_DEBUG_ERROR,
	PURPLE_DEBUG_FATAL

} PurpleDebugLevel;

/**
 * PurpleDebugUiInterface:
 *
 * Debug UI operations.
 */
struct _PurpleDebugUiInterface
{
	GTypeInterface parent_iface;

	void (*print)(PurpleDebugUi *self,
	              PurpleDebugLevel level, const char *category,
	              const char *arg_s);
	gboolean (*is_enabled)(PurpleDebugUi *self,
	                       PurpleDebugLevel level,
	                       const char *category);

	/*< private >*/
	void (*_purple_reserved1)(PurpleDebugUi *self);
	void (*_purple_reserved2)(PurpleDebugUi *self);
	void (*_purple_reserved3)(PurpleDebugUi *self);
	void (*_purple_reserved4)(PurpleDebugUi *self);
};

/**************************************************************************/
/* Debug API                                                              */
/**************************************************************************/
/**
 * purple_debug:
 * @level:    The debug level.
 * @category: The category (or %NULL).
 * @format:   The format string.
 * @...:  The parameters to insert into the format string.
 *
 * Outputs debug information.
 */
void purple_debug(PurpleDebugLevel level, const char *category,
				const char *format, ...) G_GNUC_PRINTF(3, 4);

/**
 * purple_debug_misc:
 * @category: The category (or %NULL).
 * @format:   The format string.
 * @...:  The parameters to insert into the format string.
 *
 * Outputs misc. level debug information.
 *
 * This is a wrapper for purple_debug(), and uses PURPLE_DEBUG_MISC as
 * the level.
 *
 * See purple_debug().
 */
void purple_debug_misc(const char *category, const char *format, ...) G_GNUC_PRINTF(2, 3);

/**
 * purple_debug_info:
 * @category: The category (or %NULL).
 * @format:   The format string.
 * @...:  The parameters to insert into the format string.
 *
 * Outputs info level debug information.
 *
 * This is a wrapper for purple_debug(), and uses PURPLE_DEBUG_INFO as
 * the level.
 *
 * See purple_debug().
 */
void purple_debug_info(const char *category, const char *format, ...) G_GNUC_PRINTF(2, 3);

/**
 * purple_debug_warning:
 * @category: The category (or %NULL).
 * @format:   The format string.
 * @...:  The parameters to insert into the format string.
 *
 * Outputs warning level debug information.
 *
 * This is a wrapper for purple_debug(), and uses PURPLE_DEBUG_WARNING as
 * the level.
 *
 * See purple_debug().
 */
void purple_debug_warning(const char *category, const char *format, ...) G_GNUC_PRINTF(2, 3);

/**
 * purple_debug_error:
 * @category: The category (or %NULL).
 * @format:   The format string.
 * @...:  The parameters to insert into the format string.
 *
 * Outputs error level debug information.
 *
 * This is a wrapper for purple_debug(), and uses PURPLE_DEBUG_ERROR as
 * the level.
 *
 * See purple_debug().
 */
void purple_debug_error(const char *category, const char *format, ...) G_GNUC_PRINTF(2, 3);

/**
 * purple_debug_fatal:
 * @category: The category (or %NULL).
 * @format:   The format string.
 * @...:  The parameters to insert into the format string.
 *
 * Outputs fatal error level debug information.
 *
 * This is a wrapper for purple_debug(), and uses PURPLE_DEBUG_ERROR as
 * the level.
 *
 * See purple_debug().
 */
void purple_debug_fatal(const char *category, const char *format, ...) G_GNUC_PRINTF(2, 3);

/**
 * purple_debug_set_enabled:
 * @enabled: TRUE to enable debug output or FALSE to disable it.
 *
 * Enable or disable printing debug output to the console.
 */
void purple_debug_set_enabled(gboolean enabled);

/**
 * purple_debug_is_enabled:
 *
 * Check if console debug output is enabled.
 *
 * Returns: TRUE if debugging is enabled, FALSE if it is not.
 */
gboolean purple_debug_is_enabled(void);

/**
 * purple_debug_set_verbose:
 * @verbose: TRUE to enable verbose debugging or FALSE to disable it.
 *
 * Enable or disable verbose debugging.  This ordinarily should only be called
 * by #purple_debug_init, but there are cases where this can be useful for
 * plugins.
 */
void purple_debug_set_verbose(gboolean verbose);

/**
 * purple_debug_is_verbose:
 *
 * Check if verbose logging is enabled.
 *
 * Returns: TRUE if verbose debugging is enabled, FALSE if it is not.
 */
gboolean purple_debug_is_verbose(void);

/**
 * purple_debug_set_unsafe:
 * @unsafe: TRUE to enable debug logging of messages that could
 *        potentially contain passwords and other sensitive information.
 *        FALSE to disable it.
 *
 * Enable or disable unsafe debugging.  This ordinarily should only be called
 * by #purple_debug_init, but there are cases where this can be useful for
 * plugins.
 */
void purple_debug_set_unsafe(gboolean unsafe);

/**
 * purple_debug_is_unsafe:
 *
 * Check if unsafe debugging is enabled.  Defaults to FALSE.
 *
 * Returns: TRUE if the debug logging of all messages is enabled, FALSE
 *         if messages that could potentially contain passwords and other
 *         sensitive information are not logged.
 */
gboolean purple_debug_is_unsafe(void);

/**
 * purple_debug_set_colored:
 * @colored: TRUE to enable colored output, FALSE to disable it.
 *
 * Enable or disable colored output for bash console.
 */
void purple_debug_set_colored(gboolean colored);

/**************************************************************************/
/* UI Registration Functions                                              */
/**************************************************************************/

/**
 * purple_debug_set_ui:
 * @ops: The UI operations structure.
 *
 * Sets the UI operations structure to be used when outputting debug
 * information.
 */
void purple_debug_set_ui(PurpleDebugUi *ops);

/**
 * purple_debug_get_ui:
 *
 * Returns the UI operations structure used when outputting debug
 * information.
 *
 * Returns: The UI operations structure in use.
 */
PurpleDebugUi *purple_debug_get_ui(void);

/**************************************************************************/
/* Debug Subsystem                                                        */
/**************************************************************************/

/**
 * purple_debug_init:
 *
 * Initializes the debug subsystem.
 */
void purple_debug_init(void);

G_END_DECLS

#endif /* _PURPLE_DEBUG_H_ */