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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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' ' => ' ',
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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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?>
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