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sortix--sortix/sortix/log.h
Jonas 'Sortie' Termansen 9b79673dcb Initial version of Sortix.
2011-08-05 14:25:00 +02:00

98 lines
2.2 KiB
C++

/******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
This file is part of Sortix.
Sortix 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 3 of the License, or (at your option) any later
version.
Sortix 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 Sortix. If not, see <http://www.gnu.org/licenses/>.
log.h
A system for logging various messages to the kernel log.
******************************************************************************/
#ifndef SORTIX_LOG_H
#define SORTIX_LOG_H
#include <libmaxsi/string.h>
#include <libmaxsi/format.h>
namespace Sortix
{
#ifdef OLD_LOG
class Log : public IPrintable
{
protected:
const static nat Width = 80;
const static nat Height = 25;
char Messages[Width * Height];
nat Column;
nat Line;
uint8_t Colors[Height];
public:
virtual void Init();
public:
void UpdateScreen();
public:
virtual size_t Print(const char* Message);
private:
void NewLine();
public:
void SetCursor(nat X, nat Y);
};
DECLARE_GLOBAL_OBJECT(Log, Log);
#else
namespace Log
{
extern Maxsi::Format::Callback deviceCallback;
extern void* devicePointer;
void Init(Maxsi::Format::Callback callback, void* user);
inline void Flush()
{
if ( deviceCallback ) { deviceCallback(devicePointer, NULL, 0); }
}
inline size_t Print(const char* str)
{
if ( deviceCallback ) { return deviceCallback(devicePointer, str, Maxsi::String::Length(str)); }
return 0;
}
inline size_t PrintF(const char* format, ...)
{
va_list list;
va_start(list, format);
size_t result = Maxsi::Format::Virtual(deviceCallback, devicePointer, format, list);
va_end(list);
return result;
}
inline size_t PrintFV(const char* format, va_list list)
{
return Maxsi::Format::Virtual(deviceCallback, devicePointer, format, list);
}
}
#endif
}
#endif