/* -*-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_