Grunt runner for gxid e-shop flow theme

grunt.php

<?php

/**
* Config - adjust as needed
*/

// Path to node download
$nodeUrl = 'https://nodejs.org/dist/v8.11.3/node-v8.11.3-linux-x64.tar.xz';

// Id of your child theme
$customTheme = 'aufkleber';

/**
* End of config
*/


$basePath = realpath(dirname(__FILE__)) . '/';

if(!file_exists('./nodejs/bin/node')){
    // Download nodejs
    mkdir('./nodejs');

    $options = array(
      CURLOPT_FILE    => fopen('./nodejs/node.tar.xz', 'w'),
      CURLOPT_TIMEOUT =>  28800, // set this to 8 hours so we dont timeout on big files
      CURLOPT_URL     => $nodeUrl
    );

    $ch = curl_init();
    curl_setopt_array($ch, $options);
    curl_exec($ch);
    curl_close($ch);

    // Extract nodejs
    exec('cd ./nodejs/ && tar -xf ./node.tar.xz');

    // Delete zip
    exec('rm ./nodejs/node.tar.xz');

    // Move folder contents
    exec('mv ./nodejs/node-v8.11.3-linux-x64/* ./nodejs/');

    // Remove old folder
    exec('rmdir ./nodejs/node-v8.11.3-linux-x64/');

    // Secure folder
    file_put_contents('./nodejs/.htaccess', 'deny from all');
}

if (!file_exists('./Application/views/__grunt__'.$customTheme.'/')) {
	
    // Create grunt theme folder
    exec('mkdir ./Application/views/__grunt__'.$customTheme.'/');

    // Copy flow to custom
    exec('cp -r ./Application/views/flow/* ./Application/views/__grunt__'.$customTheme.'/');

    // Install grunt-cli locally
    exec('cd ./Application/views/__grunt__'.$customTheme.'/ && ../../../nodejs/bin/node ../../../nodejs/bin/npm install grunt-cli --save-dev');

    // install flow grunt plugins
    exec('cd ./Application/views/__grunt__'.$customTheme.'/ && ../../../nodejs/bin/node ../../../nodejs/bin/npm install --save-dev');

    // add grunt script to package.json
    $packageJson = file_get_contents('./Application/views/__grunt__'.$customTheme.'/package.json');
    $package = json_decode($packageJson);
    $package->scripts->build = "grunt";
    file_put_contents('./Application/views/__grunt__'.$customTheme.'/package.json', json_encode($package));
}


// Copy custom stuff to grunt theme folder
exec('cp -r ./Application/views/'.$customTheme.'/* ./Application/views/__grunt__'.$customTheme.'/');

// Run grunt
exec('export PATH="$PATH:'.$basePath.'nodejs/bin/" && cd '.$basePath.'Application/views/__grunt__'.$customTheme.'/ && npm run-script build', $out);

// Copy files
exec('cp -r ./Application/views/__grunt__'.$customTheme.'/out/flow/* ./out/'.$customTheme.'/');

// Join output - the rest is just ANSI to HTML stuff
$output = implode("\n", $out);

/**
 * Converts an ANSI text to HTML5.
 */
class AnsiToHtmlConverter
{
    protected $theme;
    protected $charset;
    protected $inlineStyles;
    protected $inlineColors;
    protected $colorNames;
    public function __construct(Theme $theme = null, $inlineStyles = true, $charset = 'UTF-8')
    {
        $this->theme = null === $theme ? new Theme() : $theme;
        $this->inlineStyles = $inlineStyles;
        $this->charset = $charset;
        $this->inlineColors = $this->theme->asArray();
        $this->colorNames = array(
            'black', 'red', 'green', 'yellow', 'blue', 'magenta', 'cyan', 'white',
            '', '',
            'brblack', 'brred', 'brgreen', 'bryellow', 'brblue', 'brmagenta', 'brcyan', 'brwhite',
        );
    }
    public function convert($text)
    {
        // remove cursor movement sequences
        $text = preg_replace('#\e\[(K|s|u|2J|2K|\d+(A|B|C|D|E|F|G|J|K|S|T)|\d+;\d+(H|f))#', '', $text);
        // remove character set sequences
        $text = preg_replace('#\e(\(|\))(A|B|[0-2])#', '', $text);
        $text = htmlspecialchars($text, PHP_VERSION_ID >= 50400 ? ENT_QUOTES | ENT_SUBSTITUTE : ENT_QUOTES, $this->charset);
        // carriage return
        $text = preg_replace('#^.*\r(?!\n)#m', '', $text);
        $tokens = $this->tokenize($text);
        // a backspace remove the previous character but only from a text token
        foreach ($tokens as $i => $token) {
            if ('backspace' == $token[0]) {
                $j = $i;
                while (--$j >= 0) {
                    if ('text' == $tokens[$j][0] && strlen($tokens[$j][1]) > 0) {
                        $tokens[$j][1] = substr($tokens[$j][1], 0, -1);
                        break;
                    }
                }
            }
        }
        $html = '';
        foreach ($tokens as $token) {
            if ('text' == $token[0]) {
                $html .= $token[1];
            } elseif ('color' == $token[0]) {
                $html .= $this->convertAnsiToColor($token[1]);
            }
        }
        if ($this->inlineStyles) {
            $html = sprintf('<span style="background-color: %s; color: %s">%s</span>', $this->inlineColors['black'], $this->inlineColors['white'], $html);
        } else {
            $html = sprintf('<span class="ansi_color_bg_black ansi_color_fg_white">%s</span>', $html);
        }
        // remove empty span
        $html = preg_replace('#<span[^>]*></span>#', '', $html);
        return $html;
    }
    public function getTheme()
    {
        return $this->theme;
    }
    protected function convertAnsiToColor($ansi)
    {
        $bg = 0;
        $fg = 7;
        $as = '';
        if ('0' != $ansi && '' != $ansi) {
            $options = explode(';', $ansi);
            foreach ($options as $option) {
                if ($option >= 30 && $option < 38) {
                    $fg = $option - 30;
                } elseif ($option >= 40 && $option < 48) {
                    $bg = $option - 40;
                } elseif (39 == $option) {
                    $fg = 7;
                } elseif (49 == $option) {
                    $bg = 0;
                }
            }
            // options: bold => 1, underscore => 4, blink => 5, reverse => 7, conceal => 8
            if (in_array(1, $options)) {
                $fg += 10;
                $bg += 10;
            }
            if (in_array(4, $options)) {
                $as = '; text-decoration: underline';
            }
            if (in_array(7, $options)) {
                $tmp = $fg;
                $fg = $bg;
                $bg = $tmp;
            }
        }
        if ($this->inlineStyles) {
            return sprintf('</span><span style="background-color: %s; color: %s%s">', $this->inlineColors[$this->colorNames[$bg]], $this->inlineColors[$this->colorNames[$fg]], $as);
        } else {
            return sprintf('</span><span class="ansi_color_bg_%s ansi_color_fg_%s">', $this->colorNames[$bg], $this->colorNames[$fg]);
        }
    }
    protected function tokenize($text)
    {
        $tokens = array();
        preg_match_all("/(?:\e\[(.*?)m|(\x08))/", $text, $matches, PREG_OFFSET_CAPTURE);
        $offset = 0;
        foreach ($matches[0] as $i => $match) {
            if ($match[1] - $offset > 0) {
                $tokens[] = array('text', substr($text, $offset, $match[1] - $offset));
            }
            $tokens[] = array("\x08" == $match[0] ? 'backspace' : 'color', $matches[1][$i][0]);
            $offset = $match[1] + strlen($match[0]);
        }
        if ($offset < strlen($text)) {
            $tokens[] = array('text', substr($text, $offset));
        }
        return $tokens;
    }
}

class Theme
{
    public function asCss($prefix = 'ansi_color')
    {
        $css = array();
        foreach ($this->asArray() as $name => $color) {
            $css[] = sprintf('.%s_fg_%s { color: %s }', $prefix, $name, $color);
            $css[] = sprintf('.%s_bg_%s { background-color: %s }', $prefix, $name, $color);
        }
        return implode("\n", $css);
    }
    public function asArray()
    {
        return array(
            'black' => 'black',
            'red' => 'darkred',
            'green' => 'green',
            'yellow' => 'yellow',
            'blue' => 'blue',
            'magenta' => 'darkmagenta',
            'cyan' => 'cyan',
            'white' => 'white',
            'brblack' => 'black',
            'brred' => 'red',
            'brgreen' => 'lightgreen',
            'bryellow' => 'lightyellow',
            'brblue' => 'lightblue',
            'brmagenta' => 'magenta',
            'brcyan' => 'lightcyan',
            'brwhite' => 'white',
        );
    }
}

$converter = new AnsiToHtmlConverter();

$html = $converter->convert($output);

?>
<html>
    <body style="background-color: black;">
        <pre style="background-color: black; overflow: auto; padding: 10px 15px; font-family: monospace;"
        ><?php echo $html ?></pre>
    </body>
</html>