diff options
Diffstat (limited to 'system/application/libraries/contrib/example.php')
| -rw-r--r-- | system/application/libraries/contrib/example.php | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/system/application/libraries/contrib/example.php b/system/application/libraries/contrib/example.php new file mode 100644 index 000000000..32e6f0c75 --- /dev/null +++ b/system/application/libraries/contrib/example.php @@ -0,0 +1,217 @@ +<?php +/** + * GeSHi example script + * + * Just point your browser at this script (with geshi.php in the parent directory, + * and the language files in subdirectory "../geshi/") + * + * @author Nigel McNie + * @version $Id: example.php 1512 2008-07-21 21:05:40Z benbe $ + */ +header('Content-Type: text/html; charset=utf-8'); + +error_reporting(E_ALL); + +// Rudimentary checking of where GeSHi is. In a default install it will be in ../, but +// it could be in the current directory if the include_path is set. There's nowhere else +// we can reasonably guess. +if (is_readable('../geshi.php')) { + $path = '../'; +} elseif (is_readable('geshi.php')) { + $path = './'; +} else { + die('Could not find geshi.php - make sure it is in your include path!'); +} +require $path . 'geshi.php'; + +$fill_source = false; +if (isset($_POST['submit'])) { + if (get_magic_quotes_gpc()) { + $_POST['source'] = stripslashes($_POST['source']); + } + if (!strlen(trim($_POST['source']))) { + $_POST['language'] = preg_replace('#[^a-zA-Z0-9\-_]#', '', $_POST['language']); + $_POST['source'] = implode('', @file($path . 'geshi/' . $_POST['language'] . '.php')); + $_POST['language'] = 'php'; + } else { + $fill_source = true; + } + + // Here's a free demo of how GeSHi works. + + // First the initialisation: source code to highlight and the language to use. Make sure + // you sanitise correctly if you use $_POST of course - this very script has had a security + // advisory against it in the past because of this. Please try not to use this script on a + // live site. + $geshi = new GeSHi($_POST['source'], $_POST['language']); + + // Use the PRE_VALID header. This means less output source since we don't have to output + // everywhere. Of course it also means you can't set the tab width. + // HEADER_PRE_VALID puts the <pre> tag inside the list items (<li>) thus producing valid HTML markup. + // HEADER_PRE puts the <pre> tag around the list (<ol>) which is invalid in HTML 4 and XHTML 1 + // HEADER_DIV puts a <div> tag arount the list (valid!) but needs to replace whitespaces with   + // thus producing much larger overhead. You can set the tab width though. + $geshi->set_header_type(GESHI_HEADER_PRE_VALID); + + // Enable CSS classes. You can use get_stylesheet() to output a stylesheet for your code. Using + // CSS classes results in much less output source. + $geshi->enable_classes(); + + // Enable line numbers. We want fancy line numbers, and we want every 5th line number to be fancy + $geshi->enable_line_numbers(GESHI_FANCY_LINE_NUMBERS, 5); + + // Set the style for the PRE around the code. The line numbers are contained within this box (not + // XHTML compliant btw, but if you are liberally minded about these things then you'll appreciate + // the reduced source output). + $geshi->set_overall_style('font: normal normal 90% monospace; color: #000066; border: 1px solid #d0d0d0; background-color: #f0f0f0;', false); + + // Set the style for line numbers. In order to get style for line numbers working, the <li> element + // is being styled. This means that the code on the line will also be styled, and most of the time + // you don't want this. So the set_code_style reverts styles for the line (by using a <div> on the line). + // So the source output looks like this: + // + // <pre style="[set_overall_style styles]"><ol> + // <li style="[set_line_style styles]"><div style="[set_code_style styles]>...</div></li> + // ... + // </ol></pre> + $geshi->set_line_style('color: #003030;', 'font-weight: bold; color: #006060;', true); + $geshi->set_code_style('color: #000020;', true); + + // Styles for hyperlinks in the code. GESHI_LINK for default styles, GESHI_HOVER for hover style etc... + // note that classes must be enabled for this to work. + $geshi->set_link_styles(GESHI_LINK, 'color: #000060;'); + $geshi->set_link_styles(GESHI_HOVER, 'background-color: #f0f000;'); + + // Use the header/footer functionality. This puts a div with content within the PRE element, so it is + // affected by the styles set by set_overall_style. So if the PRE has a border then the header/footer will + // appear inside it. + $geshi->set_header_content('<SPEED> <TIME> GeSHi © 2004-2007, Nigel McNie, 2007-2008 Benny Baumann. View source of example.php for example of using GeSHi'); + $geshi->set_header_content_style('font-family: sans-serif; color: #808080; font-size: 70%; font-weight: bold; background-color: #f0f0ff; border-bottom: 1px solid #d0d0d0; padding: 2px;'); + + // You can use <TIME> and <VERSION> as placeholders + $geshi->set_footer_content('Parsed in <TIME> seconds at <SPEED>, using GeSHi <VERSION>'); + $geshi->set_footer_content_style('font-family: sans-serif; color: #808080; font-size: 70%; font-weight: bold; background-color: #f0f0ff; border-top: 1px solid #d0d0d0; padding: 2px;'); +} else { + // make sure we don't preselect any language + $_POST['language'] = null; +} +?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> +<head> + <title>GeSHi examples</title> + <style type="text/css"> + <!-- + <?php + if (isset($_POST['submit'])) { + // Output the stylesheet. Note it doesn't output the <style> tag + echo $geshi->get_stylesheet(true); + } + ?> + html { + background-color: #f0f0f0; + } + body { + font-family: Verdana, Arial, sans-serif; + margin: 10px; + border: 2px solid #e0e0e0; + background-color: #fcfcfc; + padding: 5px; + } + h2 { + margin: .1em 0 .2em .5em; + border-bottom: 1px solid #b0b0b0; + color: #b0b0b0; + font-weight: normal; + font-size: 150%; + } + h3 { + margin: .1em 0 .2em .5em; + color: #b0b0b0; + font-weight: normal; + font-size: 120%; + } + #footer { + text-align: center; + font-size: 80%; + color: #a9a9a9; + } + #footer a { + color: #9999ff; + } + textarea { + border: 1px solid #b0b0b0; + font-size: 90%; + color: #333; + margin-left: 20px; + } + select, input { + margin-left: 20px; + } + p { + font-size: 90%; + margin-left: .5em; + } + --> + </style> +</head> +<body> +<h2>GeSHi Example Script</h2> +<p>To use this script, make sure that <strong>geshi.php</strong> is in the parent directory or in your +include_path, and that the language files are in a subdirectory of GeSHi's directory called <strong>geshi/</strong>.</p> +<p>Enter your source and a language to highlight the source in and submit, or just choose a language to +have that language file highlighted in PHP.</p> +<?php +if (isset($_POST['submit'])) { + // The fun part :) + echo $geshi->parse_code(); + echo '<hr />'; +} +?> +<form action="<?php echo basename($_SERVER['PHP_SELF']); ?>" method="post"> +<h3>Source to highlight</h3> +<p> +<textarea rows="10" cols="60" name="source" id="source"><?php echo $fill_source ? htmlspecialchars($_POST['source']) : '' ?></textarea> +</p> +<h3>Choose a language</h3> +<p> +<select name="language" id="language"> +<?php +if (!($dir = @opendir(dirname(__FILE__) . '/geshi'))) { + if (!($dir = @opendir(dirname(__FILE__) . '/../geshi'))) { + echo '<option>No languages available!</option>'; + } +} +$languages = array(); +while ($file = readdir($dir)) { + if ( $file[0] == '.' || strpos($file, '.', 1) === false) { + continue; + } + $lang = substr($file, 0, strpos($file, '.')); + $languages[] = $lang; +} +closedir($dir); +sort($languages); +foreach ($languages as $lang) { + if (isset($_POST['language']) && $_POST['language'] == $lang) { + $selected = 'selected="selected"'; + } else { + $selected = ''; + } + echo '<option value="' . $lang . '" '. $selected .'>' . $lang . "</option>\n"; +} + +?> +</select> +</p> +<p> +<input type="submit" name="submit" value="Highlight Source" /> +<input type="submit" name="clear" onclick="document.getElementById('source').value='';document.getElementById('language').value='';return false" value="clear" /> +</p> +</form> +<div id="footer">GeSHi © Nigel McNie, 2004, released under the GNU GPL<br /> +For a better demonstration, check out the <a href="http://qbnz.com/highlighter/demo.php">online demo</a> +</div> +</body> +</html> |