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Diffstat (limited to '')
| -rw-r--r-- | lib/base/console.cpp | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/lib/base/console.cpp b/lib/base/console.cpp new file mode 100644 index 0000000..99a5fad --- /dev/null +++ b/lib/base/console.cpp @@ -0,0 +1,203 @@ +/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */ + +#include "base/console.hpp" +#include "base/initialize.hpp" +#include <iostream> + +using namespace icinga; + +static ConsoleType l_ConsoleType = Console_Dumb; + +static void InitializeConsole() +{ + l_ConsoleType = Console_Dumb; + +#ifndef _WIN32 + if (isatty(1)) + l_ConsoleType = Console_VT100; +#else /* _WIN32 */ + l_ConsoleType = Console_Windows; +#endif /* _WIN32 */ +} + +INITIALIZE_ONCE(InitializeConsole); + +ConsoleColorTag::ConsoleColorTag(int color, ConsoleType consoleType) + : m_Color(color), m_ConsoleType(consoleType) +{ } + +std::ostream& icinga::operator<<(std::ostream& fp, const ConsoleColorTag& cct) +{ +#ifndef _WIN32 + if (cct.m_ConsoleType == Console_VT100 || Console::GetType(fp) == Console_VT100) + Console::PrintVT100ColorCode(fp, cct.m_Color); +#else /* _WIN32 */ + if (Console::GetType(fp) == Console_Windows) { + fp.flush(); + Console::SetWindowsConsoleColor(fp, cct.m_Color); + } +#endif /* _WIN32 */ + + return fp; +} + +void Console::SetType(std::ostream& fp, ConsoleType type) +{ + if (&fp == &std::cout || &fp == &std::cerr) + l_ConsoleType = type; +} + +ConsoleType Console::GetType(std::ostream& fp) +{ + if (&fp == &std::cout || &fp == &std::cerr) + return l_ConsoleType; + else + return Console_Dumb; +} + +#ifndef _WIN32 +void Console::PrintVT100ColorCode(std::ostream& fp, int color) +{ + if (color == Console_Normal) { + fp << "\33[0m"; + return; + } + + switch (color & 0xff) { + case Console_ForegroundBlack: + fp << "\33[30m"; + break; + case Console_ForegroundRed: + fp << "\33[31m"; + break; + case Console_ForegroundGreen: + fp << "\33[32m"; + break; + case Console_ForegroundYellow: + fp << "\33[33m"; + break; + case Console_ForegroundBlue: + fp << "\33[34m"; + break; + case Console_ForegroundMagenta: + fp << "\33[35m"; + break; + case Console_ForegroundCyan: + fp << "\33[36m"; + break; + case Console_ForegroundWhite: + fp << "\33[37m"; + break; + } + + switch (color & 0xff00) { + case Console_BackgroundBlack: + fp << "\33[40m"; + break; + case Console_BackgroundRed: + fp << "\33[41m"; + break; + case Console_BackgroundGreen: + fp << "\33[42m"; + break; + case Console_BackgroundYellow: + fp << "\33[43m"; + break; + case Console_BackgroundBlue: + fp << "\33[44m"; + break; + case Console_BackgroundMagenta: + fp << "\33[45m"; + break; + case Console_BackgroundCyan: + fp << "\33[46m"; + break; + case Console_BackgroundWhite: + fp << "\33[47m"; + break; + } + + if (color & Console_Bold) + fp << "\33[1m"; +} +#else /* _WIN32 */ +void Console::SetWindowsConsoleColor(std::ostream& fp, int color) +{ + CONSOLE_SCREEN_BUFFER_INFO consoleInfo; + HANDLE hConsole; + + if (&fp == &std::cout) + hConsole = GetStdHandle(STD_OUTPUT_HANDLE); + else if (&fp == &std::cerr) + hConsole = GetStdHandle(STD_ERROR_HANDLE); + else + return; + + if (!GetConsoleScreenBufferInfo(hConsole, &consoleInfo)) + return; + + WORD attrs = 0; + + if (color == Console_Normal) + attrs = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE; + + switch (color & 0xff) { + case Console_ForegroundBlack: + attrs |= 0; + break; + case Console_ForegroundRed: + attrs |= FOREGROUND_RED; + break; + case Console_ForegroundGreen: + attrs |= FOREGROUND_GREEN; + break; + case Console_ForegroundYellow: + attrs |= FOREGROUND_RED | FOREGROUND_GREEN; + break; + case Console_ForegroundBlue: + attrs |= FOREGROUND_BLUE; + break; + case Console_ForegroundMagenta: + attrs |= FOREGROUND_RED | FOREGROUND_BLUE; + break; + case Console_ForegroundCyan: + attrs |= FOREGROUND_GREEN | FOREGROUND_BLUE; + break; + case Console_ForegroundWhite: + attrs |= FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE; + break; + } + + switch (color & 0xff00) { + case Console_BackgroundBlack: + attrs |= 0; + break; + case Console_BackgroundRed: + attrs |= BACKGROUND_RED; + break; + case Console_BackgroundGreen: + attrs |= BACKGROUND_GREEN; + break; + case Console_BackgroundYellow: + attrs |= BACKGROUND_RED | BACKGROUND_GREEN; + break; + case Console_BackgroundBlue: + attrs |= BACKGROUND_BLUE; + break; + case Console_BackgroundMagenta: + attrs |= BACKGROUND_RED | BACKGROUND_BLUE; + break; + case Console_BackgroundCyan: + attrs |= BACKGROUND_GREEN | BACKGROUND_BLUE; + break; + case Console_BackgroundWhite: + attrs |= BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE; + break; + } + + if (color & Console_Bold) + attrs |= FOREGROUND_INTENSITY; + + SetConsoleTextAttribute(hConsole, attrs); +} +#endif /* _WIN32 */ |