includes/wikiengine/Render/Xhtml/Code.php
author Dan
Thu, 17 Jan 2008 02:03:33 -0500
changeset 349 fdaf9070566c
parent 1 fe660c52c48f
permissions -rw-r--r--
More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
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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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?>