granicus.if.org Git - icinga2/blob - lib/base/console.cpp

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/)  *
   4  *                                                                            *
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   8  * of the License, or (at your option) any later version.                     *
   9  *                                                                            *
  10  * This program is distributed in the hope that it will be useful,            *
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  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
  13  * GNU General Public License for more details.                               *
  14  *                                                                            *
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  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
  18  ******************************************************************************/
  19
  20 #include "base/console.hpp"
  21 #include "base/initialize.hpp"
  22 #include <iostream>
  23
  24 using namespace icinga;
  25
  26 INITIALIZE_ONCE(&Console::DetectType);
  27
  28 static ConsoleType l_ConsoleType = Console_Dumb;
  29
  30 ConsoleColorTag::ConsoleColorTag(int color, ConsoleType consoleType)
  31         : m_Color(color), m_ConsoleType(consoleType)
  32 { }
  33
  34 std::ostream& icinga::operator<<(std::ostream& fp, const ConsoleColorTag& cct)
  35 {
  36 #ifndef _WIN32
  37         if (cct.m_ConsoleType == Console_VT100 || Console::GetType(fp) == Console_VT100)
  38                 Console::PrintVT100ColorCode(fp, cct.m_Color);
  39 #else /* _WIN32 */
  40         if (Console::GetType(fp) == Console_Windows) {
  41                 fp.flush();
  42                 Console::SetWindowsConsoleColor(fp, cct.m_Color);
  43         }
  44 #endif /* _WIN32 */
  45
  46         return fp;
  47 }
  48
  49 void Console::DetectType(void)
  50 {
  51         l_ConsoleType = Console_Dumb;
  52
  53 #ifndef _WIN32
  54         if (isatty(1))
  55                 l_ConsoleType = Console_VT100;
  56 #else /* _WIN32 */
  57         l_ConsoleType = Console_Windows;
  58 #endif /* _WIN32 */
  59 }
  60
  61 void Console::SetType(std::ostream& fp, ConsoleType type)
  62 {
  63         if (&fp == &std::cout || &fp == &std::cerr)
  64         l_ConsoleType = type;
  65 }
  66
  67 ConsoleType Console::GetType(std::ostream& fp)
  68 {
  69         if (&fp == &std::cout || &fp == &std::cerr)
  70                 return l_ConsoleType;
  71         else
  72                 return Console_Dumb;
  73 }
  74
  75 #ifndef _WIN32
  76 void Console::PrintVT100ColorCode(std::ostream& fp, int color)
  77 {
  78         if (color == Console_Normal) {
  79                 fp << "\33[0m";
  80                 return;
  81         }
  82
  83         switch (color & 0xff) {
  84                 case Console_ForegroundBlack:
  85                         fp << "\33[30m";
  86                         break;
  87                 case Console_ForegroundRed:
  88                         fp << "\33[31m";
  89                         break;
  90                 case Console_ForegroundGreen:
  91                         fp << "\33[32m";
  92                         break;
  93                 case Console_ForegroundYellow:
  94                         fp << "\33[33m";
  95                         break;
  96                 case Console_ForegroundBlue:
  97                         fp << "\33[34m";
  98                         break;
  99                 case Console_ForegroundMagenta:
 100                         fp << "\33[35m";
 101                         break;
 102                 case Console_ForegroundCyan:
 103                         fp << "\33[36m";
 104                         break;
 105                 case Console_ForegroundWhite:
 106                         fp << "\33[37m";
 107                         break;
 108         }
 109
 110         switch (color & 0xff00) {
 111                 case Console_BackgroundBlack:
 112                         fp << "\33[40m";
 113                         break;
 114                 case Console_BackgroundRed:
 115                         fp << "\33[41m";
 116                         break;
 117                 case Console_BackgroundGreen:
 118                         fp << "\33[42m";
 119                         break;
 120                 case Console_BackgroundYellow:
 121                         fp << "\33[43m";
 122                         break;
 123                 case Console_BackgroundBlue:
 124                         fp << "\33[44m";
 125                         break;
 126                 case Console_BackgroundMagenta:
 127                         fp << "\33[45m";
 128                         break;
 129                 case Console_BackgroundCyan:
 130                         fp << "\33[46m";
 131                         break;
 132                 case Console_BackgroundWhite:
 133                         fp << "\33[47m";
 134                         break;
 135         }
 136
 137         if (color & Console_Bold)
 138                 fp << "\33[1m";
 139 }
 140 #else /* _WIN32 */
 141 void Console::SetWindowsConsoleColor(std::ostream& fp, int color)
 142 {
 143         CONSOLE_SCREEN_BUFFER_INFO consoleInfo;
 144         HANDLE hConsole;
 145
 146         if (&fp == &std::cout)
 147                 hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
 148         else if (&fp == &std::cerr)
 149                 hConsole = GetStdHandle(STD_ERROR_HANDLE);
 150         else
 151                 return;
 152
 153         if (!GetConsoleScreenBufferInfo(hConsole, &consoleInfo))
 154                 return;
 155
 156         WORD attrs = 0;
 157
 158         if (color == Console_Normal)
 159                 attrs = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
 160
 161         switch (color & 0xff) {
 162                 case Console_ForegroundBlack:
 163                         attrs |= 0;
 164                         break;
 165                 case Console_ForegroundRed:
 166                         attrs |= FOREGROUND_RED;
 167                         break;
 168                 case Console_ForegroundGreen:
 169                         attrs |= FOREGROUND_GREEN;
 170                         break;
 171                 case Console_ForegroundYellow:
 172                         attrs |= FOREGROUND_RED | FOREGROUND_GREEN;
 173                         break;
 174                 case Console_ForegroundBlue:
 175                         attrs |= FOREGROUND_BLUE;
 176                         break;
 177                 case Console_ForegroundMagenta:
 178                         attrs |= FOREGROUND_RED | FOREGROUND_BLUE;
 179                         break;
 180                 case Console_ForegroundCyan:
 181                         attrs |= FOREGROUND_GREEN | FOREGROUND_BLUE;
 182                         break;
 183                 case Console_ForegroundWhite:
 184                         attrs |= FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
 185                         break;
 186         }
 187
 188         switch (color & 0xff00) {
 189                 case Console_BackgroundBlack:
 190                         attrs |= 0;
 191                         break;
 192                 case Console_BackgroundRed:
 193                         attrs |= BACKGROUND_RED;
 194                         break;
 195                 case Console_BackgroundGreen:
 196                         attrs |= BACKGROUND_GREEN;
 197                         break;
 198                 case Console_BackgroundYellow:
 199                         attrs |= BACKGROUND_RED | BACKGROUND_GREEN;
 200                         break;
 201                 case Console_BackgroundBlue:
 202                         attrs |= BACKGROUND_BLUE;
 203                         break;
 204                 case Console_BackgroundMagenta:
 205                         attrs |= BACKGROUND_RED | BACKGROUND_BLUE;
 206                         break;
 207                 case Console_BackgroundCyan:
 208                         attrs |= BACKGROUND_GREEN | BACKGROUND_BLUE;
 209                         break;
 210                 case Console_BackgroundWhite:
 211                         attrs |= BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE;
 212                         break;
 213         }
 214
 215         if (color & Console_Bold)
 216                 attrs |= FOREGROUND_INTENSITY;
 217
 218         SetConsoleTextAttribute(hConsole, attrs);
 219 }
 220 #endif /* _WIN32 */