类 yii\helpers\Console

                public static function ansiColorizedSubstr($string, $start, $length)
{
    if ($start < 0 || $length <= 0) {
        return '';
    }
    $textItems = preg_split(self::ansiCodesPattern(), (string)$string);
    preg_match_all(self::ansiCodesPattern(), (string)$string, $colors);
    $colors = count($colors) ? $colors[0] : [];
    array_unshift($colors, '');
    $result = '';
    $curPos = 0;
    $inRange = false;
    foreach ($textItems as $k => $textItem) {
        $color = $colors[$k];
        if ($curPos <= $start && $start < $curPos + Console::ansiStrwidth($textItem)) {
            $text = mb_substr($textItem, $start - $curPos, null, Yii::$app->charset);
            $inRange = true;
        } else {
            $text = $textItem;
        }
        if ($inRange) {
            $result .= $color . $text;
            $diff = $length - Console::ansiStrwidth($result);
            if ($diff <= 0) {
                if ($diff < 0) {
                    $result = mb_substr($result, 0, $diff, Yii::$app->charset);
                }
                $defaultColor = static::renderColoredString('%n');
                if ($color && $color != $defaultColor) {
                    $result .= $defaultColor;
                }
                break;
            }
        }
        $curPos += mb_strlen($textItem, Yii::$app->charset);
    }
    return $result;
}

            

                public static function ansiFormat($string, $format = [])
{
    $code = implode(';', $format);
    return "\033[0m" . ($code !== '' ? "\033[" . $code . 'm' : '') . $string . "\033[0m";
}

            

                public static function ansiFormatCode($format)
{
    return "\033[" . implode(';', $format) . 'm';
}

            

                public static function ansiStrlen($string)
{
    return mb_strlen(static::stripAnsiFormat($string));
}

            

                public static function ansiStrwidth($string)
{
    return mb_strwidth(static::stripAnsiFormat($string), Yii::$app->charset);
}

            

                public static function ansiToHtml($string, $styleMap = [])
{
    $styleMap = [
        // https://www.w3.org/TR/CSS2/syndata.html#value-def-color
        self::FG_BLACK => ['color' => 'black'],
        self::FG_BLUE => ['color' => 'blue'],
        self::FG_CYAN => ['color' => 'aqua'],
        self::FG_GREEN => ['color' => 'lime'],
        self::FG_GREY => ['color' => 'silver'],
        // https://meyerweb.com/eric/thoughts/2014/06/19/rebeccapurple/
        // https://drafts.csswg.org/css-color/#valuedef-rebeccapurple
        self::FG_PURPLE => ['color' => 'rebeccapurple'],
        self::FG_RED => ['color' => 'red'],
        self::FG_YELLOW => ['color' => 'yellow'],
        self::BG_BLACK => ['background-color' => 'black'],
        self::BG_BLUE => ['background-color' => 'blue'],
        self::BG_CYAN => ['background-color' => 'aqua'],
        self::BG_GREEN => ['background-color' => 'lime'],
        self::BG_GREY => ['background-color' => 'silver'],
        self::BG_PURPLE => ['background-color' => 'rebeccapurple'],
        self::BG_RED => ['background-color' => 'red'],
        self::BG_YELLOW => ['background-color' => 'yellow'],
        self::BOLD => ['font-weight' => 'bold'],
        self::ITALIC => ['font-style' => 'italic'],
        self::UNDERLINE => ['text-decoration' => ['underline']],
        self::OVERLINED => ['text-decoration' => ['overline']],
        self::CROSSED_OUT => ['text-decoration' => ['line-through']],
        self::BLINK => ['text-decoration' => ['blink']],
        self::CONCEALED => ['visibility' => 'hidden'],
    ] + $styleMap;
    $tags = 0;
    $result = preg_replace_callback(
        '/\033\[([\d;]+)m/',
        function ($ansi) use (&$tags, $styleMap) {
            $style = [];
            $reset = false;
            $negative = false;
            foreach (explode(';', $ansi[1]) as $controlCode) {
                if ($controlCode == 0) {
                    $style = [];
                    $reset = true;
                } elseif ($controlCode == self::NEGATIVE) {
                    $negative = true;
                } elseif (isset($styleMap[$controlCode])) {
                    $style[] = $styleMap[$controlCode];
                }
            }
            $return = '';
            while ($reset && $tags > 0) {
                $return .= '</span>';
                $tags--;
            }
            if (empty($style)) {
                return $return;
            }
            $currentStyle = [];
            foreach ($style as $content) {
                $currentStyle = ArrayHelper::merge($currentStyle, $content);
            }
            // if negative is set, invert background and foreground
            if ($negative) {
                if (isset($currentStyle['color'])) {
                    $fgColor = $currentStyle['color'];
                    unset($currentStyle['color']);
                }
                if (isset($currentStyle['background-color'])) {
                    $bgColor = $currentStyle['background-color'];
                    unset($currentStyle['background-color']);
                }
                if (isset($fgColor)) {
                    $currentStyle['background-color'] = $fgColor;
                }
                if (isset($bgColor)) {
                    $currentStyle['color'] = $bgColor;
                }
            }
            $styleString = '';
            foreach ($currentStyle as $name => $value) {
                if (is_array($value)) {
                    $value = implode(' ', $value);
                }
                $styleString .= "$name: $value;";
            }
            $tags++;
            return "$return<span style=\"$styleString\">";
        },
        $string
    );
    while ($tags > 0) {
        $result .= '</span>';
        $tags--;
    }
    return $result;
}

            

                public static function beginAnsiFormat($format)
{
    echo "\033[" . implode(';', $format) . 'm';
}

            

                public static function clearLine()
{
    echo "\033[2K";
}

            

                public static function clearLineAfterCursor()
{
    echo "\033[0K";
}

            

                public static function clearLineBeforeCursor()
{
    echo "\033[1K";
}

            

                public static function clearScreen()
{
    echo "\033[2J";
}

            

                public static function clearScreenAfterCursor()
{
    echo "\033[0J";
}

            

                public static function clearScreenBeforeCursor()
{
    echo "\033[1J";
}

            

                public static function confirm($message, $default = false)
{
    while (true) {
        static::stdout($message . ' (yes|no) [' . ($default ? 'yes' : 'no') . ']:');
        $input = trim(static::stdin());
        if (empty($input)) {
            return $default;
        }
        if (!strcasecmp($input, 'y') || !strcasecmp($input, 'yes')) {
            return true;
        }
        if (!strcasecmp($input, 'n') || !strcasecmp($input, 'no')) {
            return false;
        }
    }
}

            

                public static function endAnsiFormat()
{
    echo "\033[0m";
}

            

                public static function endProgress($remove = false, $keepPrefix = true)
{
    if ($remove === false) {
        static::stdout(PHP_EOL);
    } else {
        if (static::streamSupportsAnsiColors(STDOUT)) {
            static::clearLine();
        }
        static::stdout("\r" . ($keepPrefix ? self::$_progressPrefix : '') . (is_string($remove) ? $remove : ''));
    }
    flush();
    self::$_progressStart = null;
    self::$_progressWidth = null;
    self::$_progressPrefix = '';
    self::$_progressEta = null;
    self::$_progressEtaLastDone = 0;
    self::$_progressEtaLastUpdate = null;
}

            

                public static function error($string = null)
{
    return static::stderr($string . PHP_EOL);
}

            

                public static function errorSummary($models, $options = [])
{
    $showAllErrors = ArrayHelper::remove($options, 'showAllErrors', false);
    $lines = self::collectErrors($models, $showAllErrors);
    return implode(PHP_EOL, $lines);
}

            

                public static function escape($string)
{
    // TODO rework/refactor according to https://github.com/yiisoft/yii2/issues/746
    return str_replace('%', '%%', $string);
}

            

                public static function getScreenSize($refresh = false)
{
    static $size;
    static $execDisabled;
    if ($size !== null && ($execDisabled || !$refresh)) {
        return $size;
    }
    if ($execDisabled === null) {
        $execDisabled = !function_exists('ini_get') || preg_match('/(\bexec\b)/i', ini_get('disable_functions'));
        if ($execDisabled) {
            return $size = false;
        }
    }
    if (static::isRunningOnWindows()) {
        $output = [];
        exec('mode con', $output);
        if (isset($output[1]) && strpos($output[1], 'CON') !== false) {
            return $size = [(int) preg_replace('~\D~', '', $output[4]), (int) preg_replace('~\D~', '', $output[3])];
        }
    } else {
        // try stty if available
        $stty = [];
        if (exec('stty -a 2>&1', $stty)) {
            $stty = implode(' ', $stty);
            // Linux stty output
            if (preg_match('/rows\s+(\d+);\s*columns\s+(\d+);/mi', $stty, $matches)) {
                return $size = [(int) $matches[2], (int) $matches[1]];
            }
            // MacOS stty output
            if (preg_match('/(\d+)\s+rows;\s*(\d+)\s+columns;/mi', $stty, $matches)) {
                return $size = [(int) $matches[2], (int) $matches[1]];
            }
        }
        // fallback to tput, which may not be updated on terminal resize
        if (($width = (int) exec('tput cols 2>&1')) > 0 && ($height = (int) exec('tput lines 2>&1')) > 0) {
            return $size = [$width, $height];
        }
        // fallback to ENV variables, which may not be updated on terminal resize
        if (($width = (int) getenv('COLUMNS')) > 0 && ($height = (int) getenv('LINES')) > 0) {
            return $size = [$width, $height];
        }
    }
    return $size = false;
}

            

                public static function hideCursor()
{
    echo "\033[?25l";
}

            

                public static function input($prompt = null)
{
    if (isset($prompt)) {
        static::stdout($prompt);
    }
    return static::stdin();
}

            

                public static function isRunningOnWindows()
{
    return DIRECTORY_SEPARATOR === '\\';
}

            

                public static function markdownToAnsi($markdown)
{
    $parser = new ConsoleMarkdown();
    return $parser->parse($markdown);
}

            

                public static function moveCursorBackward($steps = 1)
{
    echo "\033[" . (int) $steps . 'D';
}

            

                public static function moveCursorDown($rows = 1)
{
    echo "\033[" . (int) $rows . 'B';
}

            

                public static function moveCursorForward($steps = 1)
{
    echo "\033[" . (int) $steps . 'C';
}

            

                public static function moveCursorNextLine($lines = 1)
{
    echo "\033[" . (int) $lines . 'E';
}

            

                public static function moveCursorPrevLine($lines = 1)
{
    echo "\033[" . (int) $lines . 'F';
}

            

                public static function moveCursorTo($column, $row = null)
{
    if ($row === null) {
        echo "\033[" . (int) $column . 'G';
    } else {
        echo "\033[" . (int) $row . ';' . (int) $column . 'H';
    }
}

            

                public static function moveCursorUp($rows = 1)
{
    echo "\033[" . (int) $rows . 'A';
}

            

                public static function output($string = null)
{
    return static::stdout($string . PHP_EOL);
}

            

                public static function prompt($text, $options = [])
{
    $options = ArrayHelper::merge(
        [
            'required' => false,
            'default' => null,
            'pattern' => null,
            'validator' => null,
            'error' => 'Invalid input.',
        ],
        $options
    );
    $error = null;
    top:
    $input = $options['default']
        ? static::input("$text [" . $options['default'] . '] ')
        : static::input("$text ");
    if ($input === '') {
        if (isset($options['default'])) {
            $input = $options['default'];
        } elseif ($options['required']) {
            static::output($options['error']);
            goto top;
        }
    } elseif ($options['pattern'] && !preg_match($options['pattern'], $input)) {
        static::output($options['error']);
        goto top;
    } elseif ($options['validator'] && !call_user_func_array($options['validator'], [$input, &$error])) {
        static::output(isset($error) ? $error : $options['error']);
        goto top;
    }
    return $input;
}

            

                public static function renderColoredString($string, $colored = true)
{
    // TODO rework/refactor according to https://github.com/yiisoft/yii2/issues/746
    static $conversions = [
        '%y' => [self::FG_YELLOW],
        '%g' => [self::FG_GREEN],
        '%b' => [self::FG_BLUE],
        '%r' => [self::FG_RED],
        '%p' => [self::FG_PURPLE],
        '%m' => [self::FG_PURPLE],
        '%c' => [self::FG_CYAN],
        '%w' => [self::FG_GREY],
        '%k' => [self::FG_BLACK],
        '%n' => [0], // reset
        '%Y' => [self::FG_YELLOW, self::BOLD],
        '%G' => [self::FG_GREEN, self::BOLD],
        '%B' => [self::FG_BLUE, self::BOLD],
        '%R' => [self::FG_RED, self::BOLD],
        '%P' => [self::FG_PURPLE, self::BOLD],
        '%M' => [self::FG_PURPLE, self::BOLD],
        '%C' => [self::FG_CYAN, self::BOLD],
        '%W' => [self::FG_GREY, self::BOLD],
        '%K' => [self::FG_BLACK, self::BOLD],
        '%N' => [0, self::BOLD],
        '%3' => [self::BG_YELLOW],
        '%2' => [self::BG_GREEN],
        '%4' => [self::BG_BLUE],
        '%1' => [self::BG_RED],
        '%5' => [self::BG_PURPLE],
        '%6' => [self::BG_CYAN],
        '%7' => [self::BG_GREY],
        '%0' => [self::BG_BLACK],
        '%F' => [self::BLINK],
        '%U' => [self::UNDERLINE],
        '%8' => [self::NEGATIVE],
        '%9' => [self::BOLD],
        '%_' => [self::BOLD],
    ];
    if ($colored) {
        $string = str_replace('%%', '% ', $string);
        foreach ($conversions as $key => $value) {
            $string = str_replace(
                $key,
                static::ansiFormatCode($value),
                $string
            );
        }
        $string = str_replace('% ', '%', $string);
    } else {
        $string = preg_replace('/%((%)|.)/', '$2', $string);
    }
    return $string;
}

            

                public static function restoreCursorPosition()
{
    echo "\033[u";
}

            

                public static function saveCursorPosition()
{
    echo "\033[s";
}

            

                public static function scrollDown($lines = 1)
{
    echo "\033[" . (int) $lines . 'T';
}

            

                public static function scrollUp($lines = 1)
{
    echo "\033[" . (int) $lines . 'S';
}

            

                public static function select($prompt, $options = [], $default = null)
{
    top:
    static::stdout("$prompt (" . implode(',', array_keys($options)) . ',?)'
        . ($default !== null ? '[' . $default . ']' : '') . ': ');
    $input = static::stdin();
    if ($input === '?') {
        foreach ($options as $key => $value) {
            static::output(" $key - $value");
        }
        static::output(' ? - Show help');
        goto top;
    } elseif ($default !== null && $input === '') {
        return $default;
    } elseif (!array_key_exists($input, $options)) {
        goto top;
    }
    return $input;
}

            

                public static function showCursor()
{
    echo "\033[?25h";
}

            

                public static function startProgress($done, $total, $prefix = '', $width = null)
{
    self::$_progressStart = time();
    self::$_progressWidth = $width;
    self::$_progressPrefix = $prefix;
    self::$_progressEta = null;
    self::$_progressEtaLastDone = 0;
    self::$_progressEtaLastUpdate = time();
    static::updateProgress($done, $total);
}

            

                public static function stderr($string)
{
    return fwrite(\STDERR, $string);
}

            

                public static function stdin($raw = false)
{
    return $raw ? fgets(\STDIN) : rtrim(fgets(\STDIN), PHP_EOL);
}

            

                public static function stdout($string)
{
    return fwrite(\STDOUT, $string);
}

            

                public static function streamSupportsAnsiColors($stream)
{
    return DIRECTORY_SEPARATOR === '\\'
        ? getenv('ANSICON') !== false || getenv('ConEmuANSI') === 'ON'
        : function_exists('posix_isatty') && @posix_isatty($stream);
}

            

                public static function stripAnsiFormat($string)
{
    return preg_replace(self::ansiCodesPattern(), '', (string)$string);
}

            

                public static function updateProgress($done, $total, $prefix = null)
{
    if ($prefix === null) {
        $prefix = self::$_progressPrefix;
    } else {
        self::$_progressPrefix = $prefix;
    }
    $width = static::getProgressbarWidth($prefix);
    $percent = ($total == 0) ? 1 : $done / $total;
    $info = sprintf('%d%% (%d/%d)', $percent * 100, $done, $total);
    self::setETA($done, $total);
    $info .= self::$_progressEta === null ? ' ETA: n/a' : sprintf(' ETA: %d sec.', self::$_progressEta);
    // Number extra characters outputted. These are opening [, closing ], and space before info
    // Since Windows uses \r\n\ for line endings, there's one more in the case
    $extraChars = static::isRunningOnWindows() ? 4 : 3;
    $width -= $extraChars + static::ansiStrlen($info);
    // skipping progress bar on very small display or if forced to skip
    if ($width < 5) {
        static::stdout("\r$prefix$info   ");
    } else {
        if ($percent < 0) {
            $percent = 0;
        } elseif ($percent > 1) {
            $percent = 1;
        }
        $bar = floor($percent * $width);
        $status = str_repeat('=', $bar);
        if ($bar < $width) {
            $status .= '>';
            $status .= str_repeat(' ', $width - $bar - 1);
        }
        static::stdout("\r$prefix" . "[$status] $info");
    }
    flush();
}

            

                public static function wrapText($text, $indent = 0, $refresh = false)
{
    $size = static::getScreenSize($refresh);
    if ($size === false || $size[0] <= $indent) {
        return $text;
    }
    $pad = str_repeat(' ', $indent);
    $lines = explode("\n", wordwrap($text, $size[0] - $indent, "\n"));
    $first = true;
    foreach ($lines as $i => $line) {
        if ($first) {
            $first = false;
            continue;
        }
        $lines[$i] = $pad . $line;
    }
    return implode("\n", $lines);
}

            

                public static function xtermBgColor($colorCode)
{
    return '48;5;' . $colorCode;
}

            

                public static function xtermFgColor($colorCode)
{
    return '38;5;' . $colorCode;
}