Highlight PHP source code

gistfile1.php

<?php

require '/usr/local/lib/Hoa/Core/Core.php';

use Hoa\Console;

class Formatter {

    protected $_colors    = array(
        T_ABSTRACT                 => 'foreground(#5fafd7)',
        T_AS                       => 'foreground(#5fafd7)',
        T_BREAK                    => 'foreground(#5fafd7)',
        T_CASE                     => 'foreground(#5fafd7)',
        T_CATCH                    => 'foreground(#5fafd7)',
        T_CLASS                    => 'foreground(#5fafd7)',
        T_CLONE                    => 'foreground(#5fafd7)',
        T_COMMENT                  => 'foreground(#839496)',
        T_CONSTANT_ENCAPSED_STRING => 'foreground(#859900)',
        T_CONTINUE                 => 'foreground(#5fafd7)',
        T_DECLARE                  => 'foreground(#5fafd7)',
        T_DEFAULT                  => 'foreground(#5fafd7)',
        T_DIR                      => 'foreground(#d33682)',
        T_DNUMBER                  => 'foreground(#d33682)',
        T_DO                       => 'foreground(#5fafd7)',
        T_DOC_COMMENT              => 'foreground(#839496)',
        T_ELSE                     => 'foreground(#5fafd7)',
        T_ELSEIF                   => 'foreground(#5fafd7)',
        T_EXIT                     => 'foreground(#5fafd7)',
        T_EXTENDS                  => 'foreground(#5fafd7)',
        T_FILE                     => 'foreground(#5fafd7)',
        T_FILE                     => 'foreground(#d33682)',
        T_FINALLY                  => 'foreground(#5fafd7)',
        T_FOR                      => 'foreground(#5fafd7)',
        T_FOREACH                  => 'foreground(#5fafd7)',
        T_FUNCTION                 => 'foreground(#5fafd7)',
        T_GLOBAL                   => 'foreground(#5fafd7)',
        T_GOTO                     => 'foreground(#5fafd7)',
        T_IF                       => 'foreground(#5fafd7)',
        T_IMPLEMENTS               => 'foreground(#5fafd7)',
        T_INCLUDE                  => 'foreground(#5fafd7)',
        T_INCLUDE_ONCE             => 'foreground(#5fafd7)',
        T_LNUMBER                  => 'foreground(#d33682)',
        T_LNUMBER                  => 'foreground(#d33682)',
        T_NAMESPACE                => 'foreground(#5fafd7)',
        T_NEW                      => 'foreground(#5fafd7)',
        T_OPEN_TAG                 => 'foreground(#cb4b16)',
        T_OPEN_TAG_WITH_ECHO       => 'foreground(#cb4b16)',
        T_PRIVATE                  => 'foreground(#5fafd7)',
        T_PROTECTED                => 'foreground(#5fafd7)',
        T_PUBLIC                   => 'foreground(#5fafd7)',
        T_REQUIRE                  => 'foreground(#5fafd7)',
        T_REQUIRE_ONCE             => 'foreground(#5fafd7)',
        T_RETURN                   => 'foreground(#5fafd7)',
        T_STATIC                   => 'foreground(#5fafd7)',
        T_STRING                   => 'foreground(#afaf87)',
        T_SWITCH                   => 'foreground(#5fafd7)',
        T_THROW                    => 'foreground(#5fafd7)',
        T_TRAIT                    => 'foreground(#5fafd7)',
        T_TRY                      => 'foreground(#5fafd7)',
        T_USE                      => 'foreground(#5fafd7)',
        T_VARIABLE                 => 'foreground(#d7b05f)',
        T_WHILE                    => 'foreground(#5fafd7)',
        T_YIELD                    => 'foreground(#5fafd7)',
        'highlight'                => 'foreground(#002b36) background(#eee8d5)',
        '*'                        => 'foreground(#fdf6e3)'
    );
    protected $_tokens    = array();
    protected $_higlights = array();

    /**
     * Foobar.
     */
    public function __construct ( $code, Array $colors = array() ) {

        $this->_tokens = token_get_all($code);

        foreach($colors as $token => $color)
            $this->_colors[$token] = $color;

        return;
    }

    public function highlight ( $lines ) {

        if(!is_array($lines))
            $lines = array($lines);

        foreach($lines as $line)
            $this->_highlights[$line] = true;

        return;
    }

    /**
     * Compute.
     */
    protected function compute ( ) {

        $out = null;

        foreach($this->_tokens as $token) {

            if(!is_array($token)) {

                $out .= Console\Chrome\Text::colorize(
                    $token,
                    $this->_colors['*']
                );

                continue;
            }

            list($tokenType, $tokenValue, ) = $token;

            $lines = explode("\n", $tokenValue);
            $count = count($lines);

            foreach($lines as $line) {

                if(isset($this->_colors[$tokenType]))
                    $out .= Console\Chrome\Text::colorize(
                        $line,
                        $this->_colors[$tokenType]
                    );
                else
                    $out .= Console\Chrome\Text::colorize(
                        $line,
                        $this->_colors['*']
                    );

                if(0 < --$count)
                    $out .= "\n";
            }
        }

        $oout = null;

        foreach(explode("\n", $out) as $number => $line) {

            ++$number;
            $oout .= Console\Chrome\Text::colorize(
                         sprintf('%4d', $number),
                         isset($this->_highlights[$number])
                             ? $this->_colors['highlight']
                             : 'foreground(#586e75)'
                     ) .
                     '  ' .
                     $line .
                     "\n";
        }

        return $oout;
    }

    public function __toString ( ) {

        return $this->compute();
    }
}

$formatter = new Formatter(rtrim(file_get_contents(__FILE__)));
$formatter->highlight(range(138, 150));
echo $formatter;