/* -*-C++-*-    $NetBSD: console.h,v 1.13 2008/04/28 20:23:20 martin Exp $      */

/*-
* Copyright (c) 2001, 2002, 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _HPCBOOT_CONSOLE_H_
#define _HPCBOOT_CONSOLE_H_

#include <hpcboot.h>
#include <hpcmenu.h>

class Console {
private:
       int16_t _boot_console;

protected:
       enum { CONSOLE_BUFSIZE = 256 };
       TCHAR _bufw[CONSOLE_BUFSIZE];   // wide char buffer.
       BOOL _on;

protected:
       Console(void);
       ~Console(void) { /* NO-OP */ }

public:
       static Console *_instance;
       static Console *Instance(void);
       static void Destroy(void);
       virtual void print(const TCHAR *fmt, ...);
       virtual BOOL init(void) { return TRUE; }
       BOOL &on(void) { return _on; }

       static void changeConsole(Console &console) { _instance = &console; }
       void setBootConsole(uint16_t cnuse) { _boot_console = cnuse; }
       int16_t getBootConsole(void) const { return _boot_console; }
};

class SerialConsole : public Console
{
private:
       HANDLE _handle;

protected:
       char _bufm[CONSOLE_BUFSIZE];    // multibyte char buffer.

protected:
       SerialConsole(void);
       ~SerialConsole(void) { /* NO-OP */ };
       BOOL setupMultibyteBuffer(void);

public:
       void genericPrint(const char *);
       virtual BOOL init(void);
       virtual void print(const TCHAR *fmt, ...);

       static HANDLE OpenCOM1(void);
};

#define SETUP_WIDECHAR_BUFFER()                                         \
__BEGIN_MACRO                                                           \
       va_list ap;                                                     \
       va_start(ap, fmt);                                              \
       wvsprintf(_bufw, fmt, ap);                                      \
       va_end(ap);                                                     \
__END_MACRO

#define DPRINTF_SETUP()         Console *_cons = Console::Instance()
#define DPRINTFN(level, x)                                              \
       if (_debug > level) _cons->print x
#define DPRINTF(x)                                                      \
       _cons->print x

#endif // _HPCBOOT_CONSOLE_H_