/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is Mozilla Communicator client code, released
 * March 31, 1998.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 *   John Bandhauer <jband@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU Public License (the "GPL"), in which case the
 * provisions of the GPL are applicable instead of those above.
 * If you wish to allow use of your version of this file only
 * under the terms of the GPL and not to allow others to use your
 * version of this file under the NPL, indicate your decision by
 * deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL.  If you do not delete
 * the provisions above, a recipient may use your version of this
 * file under either the NPL or the GPL.
 */

/* Debug Logging support. */

#ifndef xpclog_h___
#define xpclog_h___

#include "nsIXPConnect.h"
#include "prtypes.h"
#include "prlog.h"

/*
 * This uses prlog.h See prlog.h for environment settings for output.
 * The module name used here is 'xpclog'. These environment settings
 * should work...
 *
 * SET NSPR_LOG_MODULES=xpclog:5
 * SET NSPR_LOG_FILE=logfile.txt
 *
 * usage:
 *   XPC_LOG_ERROR(("my comment number %d", 5))   // note the double parens
 *
 */

#ifdef DEBUG
#define XPC_LOG_INTERNAL(number,_args)  \
    do{if(XPC_Log_Check(number)){XPC_Log_print _args;}}while(0)

#define XPC_LOG_ALWAYS(_args)   XPC_LOG_INTERNAL(1,_args)
#define XPC_LOG_ERROR(_args)    XPC_LOG_INTERNAL(2,_args)
#define XPC_LOG_WARNING(_args)  XPC_LOG_INTERNAL(3,_args)
#define XPC_LOG_DEBUG(_args)    XPC_LOG_INTERNAL(4,_args)
#define XPC_LOG_FLUSH()         PR_LogFlush()
#define XPC_LOG_INDENT()        XPC_Log_Indent()
#define XPC_LOG_OUTDENT()       XPC_Log_Outdent()
#define XPC_LOG_CLEAR_INDENT()  XPC_Log_Clear_Indent()
#define XPC_LOG_FINISH()        XPC_Log_Finish()

JS_BEGIN_EXTERN_C

void   XPC_Log_print(const char *fmt, ...);
PRBool XPC_Log_Check(int i);
void   XPC_Log_Indent();
void   XPC_Log_Outdent();
void   XPC_Log_Clear_Indent();
void   XPC_Log_Finish();

JS_END_EXTERN_C

#else

#define XPC_LOG_ALWAYS(_args)  ((void)0)
#define XPC_LOG_ERROR(_args)   ((void)0)
#define XPC_LOG_WARNING(_args) ((void)0)
#define XPC_LOG_DEBUG(_args)   ((void)0)
#define XPC_LOG_FLUSH()        ((void)0)
#define XPC_LOG_INDENT()       ((void)0)
#define XPC_LOG_OUTDENT()      ((void)0)
#define XPC_LOG_CLEAR_INDENT() ((void)0)
#define XPC_LOG_FINISH()       ((void)0)
#endif

#endif /* xpclog_h___ */
