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PHP Script | 2008-07-02 | 5.1 KB | 209 lines

<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
 * Console renderer
 *
 * PHP versions 4 and 5
 *
 * LICENSE: This source file is subject to version 3.0 of the PHP license
 * that is available through the world-wide-web at the following URI:
 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
 * the PHP License and are unable to obtain it through the web, please
 * send a note to [e-mail] so we can mail you a copy immediately.
 *
 * @category   Text
 * @package    Text_Highlighter
 * @author     Andrey Demenev <[e-mail]>
 * @copyright  2004-2006 Andrey Demenev
 * @license    http://www.php.net/license/3_0.txt  PHP License
 * @version    CVS: $Id: Console.php,v 1.1 2007/06/03 02:37:08 ssttoo Exp $
 * @link       http://pear.php.net/package/Text_Highlighter
 */

/**
 * @ignore
 */

require_once 'Text/Highlighter/Renderer.php';

define ('HL_CONSOLE_DEFCOLOR', "\033[0m");

/**
 * Console renderer
 *
 * Suitable for displaying text on color-capable terminals, directly
 * or trough less -r
 *
 * Elements of $options argument of constructor (each being optional):
 *
 * - 'numbers' - whether to add line numbers
 * - 'tabsize' - Tab size
 * - 'colors'  - additional colors
 *
 * @author Andrey Demenev <[e-mail]>
 * @category   Text
 * @package    Text_Highlighter
 * @copyright  2004-2006 Andrey Demenev
 * @license    http://www.php.net/license/3_0.txt  PHP License
 * @version    Release: 0.7.1
 * @link       http://pear.php.net/package/Text_Highlighter
 */

class Text_Highlighter_Renderer_Console extends Text_Highlighter_Renderer
{

    /**#@+
     * @access private
     */

    /**
     * class of last outputted text chunk
     *
     * @var string
     */
    var $_lastClass;

    /**
     * Line numbering
     *
     * @var boolean
     */
    var $_numbers = false;

    /**
     * Tab size
     *
     * @var integer
     */
    var $_tabsize = 4;

    /**
     * Highlighted code
     *
     * @var string
     */
    var $_output = '';

    /**#@-*/

    var $_colors = array();

    var $_defColors = array(
        'default' => "\033[0m",
        'inlinetags' => "\033[31m",
        'brackets' => "\033[36m",
        'quotes' => "\033[34m",
        'inlinedoc' => "\033[34m",
        'var' => "\033[1m",
        'types' => "\033[32m",
        'number' => "\033[32m",
        'string' => "\033[31m",
        'reserved' => "\033[35m",
        'comment' => "\033[33m",
        'mlcomment' => "\033[33m",
    );

    function preprocess($str)
    {
        // normalize whitespace and tabs
        $str = str_replace("\r\n","\n", $str);
        $str = str_replace("\t",str_repeat(' ', $this->_tabsize), $str);
        return rtrim($str);
    }


    /**
     * Resets renderer state
     *
     * @access protected
     *
     *
     * Descendents of Text_Highlighter call this method from the constructor,
     * passing $options they get as parameter.
     */
    function reset()
    {
        $this->_lastClass = '';
        if (isset($this->_options['numbers'])) {
            $this->_numbers = (bool)$this->_options['numbers'];
        } else {
            $this->_numbers = false;
        }
        if (isset($this->_options['tabsize'])) {
            $this->_tabsize = $this->_options['tabsize'];
        } else {
            $this->_tabsize = 4;
        }
        if (isset($this->_options['colors'])) {
            $this->_colors = array_merge($this->_defColors, $this->_options['colors']);
        } else {
            $this->_colors = $this->_defColors;
        }
        $this->_output = '';
    }



    /**
     * Accepts next token
     *
     * @access public
     *
     * @param  string $class   Token class
     * @param  string $content Token content
     */
    function acceptToken($class, $content)
    {
        if (isset($this->_colors[$class])) {
            $color = $this->_colors[$class];
        } else {
            $color = $this->_colors['default'];
        }
        if ($this->_lastClass != $class) {
            $this->_output .= $color;
        }
        $content = str_replace("\n", $this->_colors['default'] . "\n" . $color, $content);
        $content .= $this->_colors['default'];
        $this->_output .= $content;
    }

    /**
     * Signals that no more tokens are available
     *
     * @access public
     *
     */
    function finalize()
    {
        if ($this->_numbers) {
            $nlines = substr_count($this->_output, "\n") + 1;
            $len = strlen($nlines);
            $i = 1;
            $this->_output = preg_replace('~^~em', '" " . str_pad($i++, $len, " ", STR_PAD_LEFT) . ": "', $this->_output);
        }
        $this->_output .= HL_CONSOLE_DEFCOLOR . "\n";
    }

    /**
     * Get generated output
     *
     * @return string Highlighted code
     * @access public
     *
     */
    function getOutput()
    {
        return $this->_output;
    }
}

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * c-hanging-comment-ender-p: nil
 * End:
 */

?>