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/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU AGPL v3 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-AGPL3
* Copyright (C) 2008-2021 TrinityCore <http://www.trinitycore.org/>
*/
#include "AppenderConsole.h"
#include "LogMessage.h"
#include "SmartEnum.h"
#include "StringConvert.h"
#include "StringFormat.h"
#include "Tokenize.h"
#include "Util.h"
#include <sstream>
#if AC_PLATFORM == AC_PLATFORM_WINDOWS
#include <Windows.h>
#endif
AppenderConsole::AppenderConsole(uint8 id, std::string const& name, LogLevel level, AppenderFlags flags, std::vector<std::string_view> const& args)
: Appender(id, name, level, flags), _colored(false)
{
for (uint8 i = 0; i < NUM_ENABLED_LOG_LEVELS; ++i)
{
_colors[i] = ColorTypes(NUM_COLOR_TYPES);
}
if (3 < args.size())
{
InitColors(name, args[3]);
}
}
void AppenderConsole::InitColors(std::string const& name, std::string_view str)
{
if (str.empty())
{
_colored = false;
return;
}
std::vector<std::string_view> colorStrs = Acore::Tokenize(str, ' ', false);
if (colorStrs.size() != NUM_ENABLED_LOG_LEVELS)
{
throw InvalidAppenderArgsException(Acore::StringFormat("Log::CreateAppenderFromConfig: Invalid color data '%s' for console appender %s (expected %u entries, got %zu)",
std::string(str).c_str(), name.c_str(), NUM_ENABLED_LOG_LEVELS, colorStrs.size()));
}
for (uint8 i = 0; i < NUM_ENABLED_LOG_LEVELS; ++i)
{
if (Optional<uint8> color = Acore::StringTo<uint8>(colorStrs[i]); color && EnumUtils::IsValid<ColorTypes>(*color))
{
_colors[i] = static_cast<ColorTypes>(*color);
}
else
{
throw InvalidAppenderArgsException(Acore::StringFormat("Log::CreateAppenderFromConfig: Invalid color '%s' for log level %s on console appender %s",
std::string(colorStrs[i]).c_str(), EnumUtils::ToTitle(static_cast<LogLevel>(i)), name.c_str()));
}
}
_colored = true;
}
void AppenderConsole::SetColor(bool stdout_stream, ColorTypes color)
{
#if AC_PLATFORM == AC_PLATFORM_WINDOWS
static WORD WinColorFG[NUM_COLOR_TYPES] =
{
0, // BLACK
FOREGROUND_RED, // RED
FOREGROUND_GREEN, // GREEN
FOREGROUND_RED | FOREGROUND_GREEN, // BROWN
FOREGROUND_BLUE, // BLUE
FOREGROUND_RED | FOREGROUND_BLUE, // MAGENTA
FOREGROUND_GREEN | FOREGROUND_BLUE, // CYAN
FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE, // WHITE
// YELLOW
FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY,
// RED_BOLD
FOREGROUND_RED | FOREGROUND_INTENSITY,
// GREEN_BOLD
FOREGROUND_GREEN | FOREGROUND_INTENSITY,
FOREGROUND_BLUE | FOREGROUND_INTENSITY, // BLUE_BOLD
// MAGENTA_BOLD
FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_INTENSITY,
// CYAN_BOLD
FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY,
// WHITE_BOLD
FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY
};
HANDLE hConsole = GetStdHandle(stdout_stream ? STD_OUTPUT_HANDLE : STD_ERROR_HANDLE);
SetConsoleTextAttribute(hConsole, WinColorFG[color]);
#else
enum ANSITextAttr
{
TA_NORMAL = 0,
TA_BOLD = 1,
TA_BLINK = 5,
TA_REVERSE = 7
};
enum ANSIFgTextAttr
{
FG_BLACK = 30,
FG_RED,
FG_GREEN,
FG_BROWN,
FG_BLUE,
FG_MAGENTA,
FG_CYAN,
FG_WHITE,
FG_YELLOW
};
enum ANSIBgTextAttr
{
BG_BLACK = 40,
BG_RED,
BG_GREEN,
BG_BROWN,
BG_BLUE,
BG_MAGENTA,
BG_CYAN,
BG_WHITE
};
static uint8 UnixColorFG[NUM_COLOR_TYPES] =
{
FG_BLACK, // BLACK
FG_RED, // RED
FG_GREEN, // GREEN
FG_BROWN, // BROWN
FG_BLUE, // BLUE
FG_MAGENTA, // MAGENTA
FG_CYAN, // CYAN
FG_WHITE, // WHITE
FG_YELLOW, // YELLOW
FG_RED, // LRED
FG_GREEN, // LGREEN
FG_BLUE, // LBLUE
FG_MAGENTA, // LMAGENTA
FG_CYAN, // LCYAN
FG_WHITE // LWHITE
};
fprintf((stdout_stream ? stdout : stderr), "\x1b[%d%sm", UnixColorFG[color], (color >= YELLOW && color < NUM_COLOR_TYPES ? ";1" : ""));
#endif
}
void AppenderConsole::ResetColor(bool stdout_stream)
{
#if AC_PLATFORM == AC_PLATFORM_WINDOWS
HANDLE hConsole = GetStdHandle(stdout_stream ? STD_OUTPUT_HANDLE : STD_ERROR_HANDLE);
SetConsoleTextAttribute(hConsole, FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED);
#else
fprintf((stdout_stream ? stdout : stderr), "\x1b[0m");
#endif
}
void AppenderConsole::_write(LogMessage const* message)
{
bool stdout_stream = !(message->level == LOG_LEVEL_ERROR || message->level == LOG_LEVEL_FATAL);
if (_colored)
{
uint8 index;
switch (message->level)
{
case LOG_LEVEL_TRACE:
index = 5;
break;
case LOG_LEVEL_DEBUG:
index = 4;
break;
case LOG_LEVEL_INFO:
index = 3;
break;
case LOG_LEVEL_WARN:
index = 2;
break;
case LOG_LEVEL_FATAL:
index = 0;
break;
default:
index = 1;
break;
}
SetColor(stdout_stream, _colors[index]);
utf8printf(stdout_stream ? stdout : stderr, "%s%s\n", message->prefix.c_str(), message->text.c_str());
ResetColor(stdout_stream);
}
else
{
utf8printf(stdout_stream ? stdout : stderr, "%s%s\n", message->prefix.c_str(), message->text.c_str());
}
}
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