void ColoredPrintf()

in ext/gtest-1.8.0/googletest/src/gtest.cc [2956:3002]

• 35 lines of code
• 11 McCabe index (conditional complexity)

void ColoredPrintf(GTestColor color, const char* fmt, ...) {
  va_list args;
  va_start(args, fmt);

#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN || GTEST_OS_ZOS || \
    GTEST_OS_IOS || GTEST_OS_WINDOWS_PHONE || GTEST_OS_WINDOWS_RT
  const bool use_color = AlwaysFalse();
#else
  static const bool in_color_mode =
      ShouldUseColor(posix::IsATTY(posix::FileNo(stdout)) != 0);
  const bool use_color = in_color_mode && (color != COLOR_DEFAULT);
#endif  // GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN || GTEST_OS_ZOS
  // The '!= 0' comparison is necessary to satisfy MSVC 7.1.

  if (!use_color) {
    vprintf(fmt, args);
    va_end(args);
    return;
  }

#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE && \
    !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT
  const HANDLE stdout_handle = GetStdHandle(STD_OUTPUT_HANDLE);

  // Gets the current text color.
  CONSOLE_SCREEN_BUFFER_INFO buffer_info;
  GetConsoleScreenBufferInfo(stdout_handle, &buffer_info);
  const WORD old_color_attrs = buffer_info.wAttributes;

  // We need to flush the stream buffers into the console before each
  // SetConsoleTextAttribute call lest it affect the text that is already
  // printed but has not yet reached the console.
  fflush(stdout);
  SetConsoleTextAttribute(stdout_handle,
                          GetColorAttribute(color) | FOREGROUND_INTENSITY);
  vprintf(fmt, args);

  fflush(stdout);
  // Restores the text color.
  SetConsoleTextAttribute(stdout_handle, old_color_attrs);
#else
  printf("\033[0;3%sm", GetAnsiColorCode(color));
  vprintf(fmt, args);
  printf("\033[m");  // Resets the terminal to default.
#endif  // GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
  va_end(args);
}