📄 code.php
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<?phpclass Text_Wiki_Render_Xhtml_Code extends Text_Wiki_Render { var $conf = array( 'css' => null, // class for <pre> 'css_code' => null, // class for generic <code> 'css_php' => null, // class for PHP <code> 'css_html' => null // class for HTML <code> ); /** * * Renders a token into text matching the requested format. * * @access public * * @param array $options The "options" portion of the token (second * element). * * @return string The text rendered from the token options. * */ function token($options) { $text = $options['text']; $attr = $options['attr']; $type = strtolower($attr['type']); $css = $this->formatConf(' class="%s"', 'css'); $css_code = $this->formatConf(' class="%s"', 'css_code'); $css_php = $this->formatConf(' class="%s"', 'css_php'); $css_html = $this->formatConf(' class="%s"', 'css_html'); if ($type == 'php') { // PHP code example: // add the PHP tags $text = "<?php\n" . $options['text'] . "\n?>"; // <?php // convert tabs to four spaces $text = str_replace("\t", " ", $text); // colorize the code block (also converts HTML entities and adds // <code>...</code> tags) ob_start(); highlight_string($text); $text = ob_get_contents(); ob_end_clean(); // replace <br /> tags with simple newlines. // replace non-breaking space with simple spaces. // translate HTML <font> and color to XHTML <span> and style. // courtesy of research by A. Kalin :-). $map = array( '<br />' => "\n", ' ' => ' ', '<font' => '<span', '</font>' => '</span>', 'color="' => 'style="color:' ); $text = strtr($text, $map); // get rid of the last newline inside the code block // (becuase higlight_string puts one there) if (substr($text, -8) == "\n</code>") { $text = substr($text, 0, -8) . "</code>"; } // replace all <code> tags with classed tags if ($css_php) { $text = str_replace('<code>', "<code$css_php>", $text); } // done $text = "<pre$css>$text</pre>"; } elseif ($type == 'html' || $type == 'xhtml') { // HTML code example: // add <html> opening and closing tags, // convert tabs to four spaces, // convert entities. $text = str_replace("\t", " ", $text); $text = "<html>\n$text\n</html>"; $text = htmlentities($text); $text = "<pre$css><code$css_html>$text</code></pre>"; } else { // generic code example: // convert tabs to four spaces, // convert entities. $text = str_replace("\t", " ", $text); $text = htmlentities($text); $text = "<pre$css><code$css_code>$text</code></pre>"; } return "\n$text\n\n"; }}?>⌨️ 快捷键说明
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