Function ansi

tests/CAT_Flex_test.cpp:53–57

static bool g_tty = false;

static QString ansi(const char* code, const QString& s)
{
    if (!g_tty) return s;
    return QLatin1String("\033[") + QLatin1String(code) + 'm' + s + QLatin1String("\033[0m");
}

static QString green(const QString& s)  { return ansi("92", s); }
static QString red(const QString& s)    { return ansi("91", s); }