includes/wikiengine/Render/Xhtml/Code.php
author Dan
Fri, 06 Jul 2007 10:59:46 -0400
changeset 46 6ddaa9bd7977
parent 1 fe660c52c48f
permissions -rw-r--r--
Fixed minor userpage issue where comments posted by guests under the same name as the username being displayed were shown on that user's userpage
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<?php
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// vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4:
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/**
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 * Code rule end renderer for Xhtml
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 *
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 * PHP versions 4 and 5
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 *
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 * @category   Text
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 * @package    Text_Wiki
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 * @author     Paul M. Jones <pmjones@php.net>
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 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
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 * @version    CVS: $Id: Code.php,v 1.13 2006/02/10 23:07:03 toggg Exp $
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 * @link       http://pear.php.net/package/Text_Wiki
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 */
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/**
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 * This class renders code blocks in XHTML.
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 *
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 * @category   Text
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 * @package    Text_Wiki
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 * @author     Paul M. Jones <pmjones@php.net>
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 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
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 * @version    Release: @package_version@
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 * @link       http://pear.php.net/package/Text_Wiki
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 */
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class Text_Wiki_Render_Xhtml_Code extends Text_Wiki_Render {
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    var $conf = array(
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        'css'      => null, // class for <pre>
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        'css_code' => null, // class for generic <code>
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        'css_php'  => null, // class for PHP <code>
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        'css_html' => null, // class for HTML <code>
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        'css_filename' => null // class for optional filename <div>
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    );
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    /**
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    *
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    * Renders a token into text matching the requested format.
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    *
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    * @access public
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    *
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    * @param array $options The "options" portion of the token (second
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    * element).
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    *
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    * @return string The text rendered from the token options.
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    *
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    */
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    function token($options)
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    {
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        $text = $options['text'];
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        $attr = $options['attr'];
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        $type = strtolower($attr['type']);
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        $css      = $this->formatConf(' class="%s"', 'css');
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        $css_code = $this->formatConf(' class="%s"', 'css_code');
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        $css_php  = $this->formatConf(' class="%s"', 'css_php');
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        $css_html = $this->formatConf(' class="%s"', 'css_html');
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        $css_filename = $this->formatConf(' class="%s"', 'css_filename');
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        if ($type == 'php') {
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            if (substr($options['text'], 0, 5) != '<?php') {
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                // PHP code example:
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                // add the PHP tags
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                $text = "<?php\n" . $options['text'] . "\n?>"; // <?php
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            }
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            // convert tabs to four spaces
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            $text = str_replace("\t", "    ", $text);
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            // colorize the code block (also converts HTML entities and adds
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            // <code>...</code> tags)
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            ob_start();
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            highlight_string($text);
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            $text = ob_get_contents();
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            ob_end_clean();
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            // replace <br /> tags with simple newlines.
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            // replace non-breaking space with simple spaces.
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            // translate HTML <font> and color to XHTML <span> and style.
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            // courtesy of research by A. Kalin :-).
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            $map = array(
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                '<br />'  => "\n",
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                '&nbsp;'  => ' ',
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                '<font'   => '<span',
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                '</font>' => '</span>',
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                'color="' => 'style="color:'
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            );
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            $text = strtr($text, $map);
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            // get rid of the last newline inside the code block
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            // (becuase higlight_string puts one there)
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            if (substr($text, -8) == "\n</code>") {
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                $text = substr($text, 0, -8) . "</code>";
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            }
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            // replace all <code> tags with classed tags
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            if ($css_php) {
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                $text = str_replace('<code>', "<code$css_php>", $text);
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            }
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            // done
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            $text = "<pre$css>$text</pre>";
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        } elseif ($type == 'html' || $type == 'xhtml') {
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            // HTML code example:
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            // add <html> opening and closing tags,
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            // convert tabs to four spaces,
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            // convert entities.
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            $text = str_replace("\t", "    ", $text);
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            $text = "<html>\n$text\n</html>";
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            $text = $this->textEncode($text);
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            $text = "<pre$css><code$css_html>$text</code></pre>";
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        } else {
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            // generic code example:
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            // convert tabs to four spaces,
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            // convert entities.
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            $text = str_replace("\t", "    ", $text);
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            $text = $this->textEncode($text);
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            $text = "<pre$css><code$css_code>$text</code></pre>";
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        }
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        if ($css_filename && isset($attr['filename'])) {
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            $text = "<div$css_filename>" .
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                $attr['filename'] . '</div>' . $text;
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        }
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        return "\n$text\n\n";
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    }
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}
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?>