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<?php

/* Copyright (c)
 * - 2006-2013, Ivan Sagalaev (maniac@softwaremaniacs.org), highlight.js
 *              (original author)
 * - 2013-2019, Geert Bergman (geert@scrivo.nl), highlight.php
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of "highlight.js", "highlight.php", nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

set_time_limit(0);
$start = microtime(true);

require_once "../Highlight/Autoloader.php";
spl_autoload_register("Highlight\\Autoloader::load");

$styles = array();
$d = dir(".." . DIRECTORY_SEPARATOR . "styles");
while (($e = $d->read()) !== false) {
    if ($e[0] !== "." && $e !== "default.css" && strpos($e, ".css") !== false) {
        $styles[] = $e;
    }
}
sort($styles);

use Highlight\Highlighter;

$hl = new Highlighter();
$hl->setAutodetectLanguages($hl->listLanguages());

$tableRows = "";
$failed = array();

foreach ($hl->listLanguages() as $name) {
    $sn = $name;
    $snippet = file_get_contents("../test/detect/{$sn}/default.txt");
    $r = $hl->highlightAuto($snippet);
    $passed = ($r->language === $name);
    $res = "<div class=\"test\"><var class=\"" . ($passed ? "passed" : "failed") .
        "\">{$r->language}</var>" . " ({$r->relevance})<br>";
    if (isset($r->secondBest)) {
        $res .= "{$r->secondBest->language}" . " ({$r->secondBest->relevance})";
    }
    $tableRows .= "<tr><th>{$name}{$res}</th><td class=\"{$name}\">
        <pre><code class=\"hljs {$name}\">{$r->value}</code></pre></td></th>";
    if (!$passed) {
        $failed[] = $name;
    }
}

if (count($failed)) {
    $testResult = "<p id=\"summary\" class=\"failed\">Failed tests: " .
        implode(", ", $failed);
} else {
    $testResult = "<p id=\"summary\" class=\"passed\">All tests passed";
}

$testResult .= "</p><p>Highlighting took " .
    (microtime(true) - $start) . " seconds</p>";

$d->close();

?>
<!DOCTYPE html>
<head>
  <title>highlight.js test</title>
  <meta charset="utf-8">

  <link rel="stylesheet" title="Default" href="../styles/default.css">
<?php foreach ($styles as $style) {
    ?>
  <link rel="alternate stylesheet" title="<?php echo $style; ?>"
    href="../styles/<?php echo $style; ?>">
<?php
} ?>

  <style>
    /* Base styles */
    body {
      font: small Arial, sans-serif;
    }
    h2 {
      font: bold 100% Arial, sans-serif;
      margin-top: 2em;
      margin-bottom: 0.5em;
    }
    table {
      width: 100%;
      padding: 0;
      border-collapse: collapse;
    }
    th {
      width: 12em;
      padding: 0; margin: 0;
    }
    td {
      padding-bottom: 1em;
    }
    td, th {
      vertical-align: top;
      text-align: left;
    }
    pre {
      margin: 0;
      font-size: medium;
    }
    .hljs-debug {
      color: red;
    }
    /* Style switcher */
    ul#switch {
      width: 66em;
      -webkit-column-width: 15em;
      -webkit-column-gap: 2em;
      -moz-column-width: 15em;
      -moz-column-gap: 2em;
      -o-column-width: 15em;
      -o-column-gap: 2em;
      column-width: 15em;
      column-gap: 2em;
      list-style: none;
      overflow: auto;
      padding: 0;
      margin: 0;
    }
    ul#switch li {
      -webkit-column-break-inside: avoid;
      -moz-column-break-inside: avoid;
      -o-column-break-inside: avoid;
      column-break-inside: avoid;
      padding: 0.1em;
      margin: 0.1em 1em 0.1em 0;
      background: #EEE;
      cursor: pointer;
    }
    ul#switch li.current {
      background: #CCC;
    }
    /* Tests */
    .test {
      color: #888;
      font-weight: normal;
      margin: 2em 0 0 0;
    }
    .test var {
      font-style: normal;
    }
    .passed {
      color: green;
    }
    .failed, .failed a {
      color: red;
    }
    .code {
      font: medium monospace;
    }
    .code .hljs-keyword {
      font-weight: bold;
    }
    /* Export form */
    #export_from, #export_to {
      width: 98%;
    }
    address {
      margin-top: 4em;
    }
  </style>

  <script>
  // Stylesheet switcher © Vladimir Epifanov <voldmar@voldmar.ru>
  (function(container_id) {
      if (window.addEventListener) {
          var attach = function(el, ev, handler) {
              el.addEventListener(ev, handler, false);
          }
      } else if (window.attachEvent) {
          var attach = function(el, ev, handler) {
              el.attachEvent('on' + ev, handler);
          }
      } else {
          var attach = function(el, ev, handler) {
              ev['on' + ev] = handler;
          }
      }

      attach(window, 'load', function() {
          var current = null;

          var info = {};
          var links = document.getElementsByTagName('link');
          var ul = document.createElement('ul');

          for (var i = 0; (link = links[i]); i++) {
              if ((link.getAttribute('rel').indexOf('style') != -1) && link.title) {
                  var title = link.title;

                  info[title] = {
                      'link': link,
                      'li': document.createElement('li')
                  };

                  ul.appendChild(info[title].li);
                  info[title].li.title = title;

                  info[title].link.disabled = true;

                  info[title].li.appendChild(document.createTextNode(title));

                  attach(info[title].li, 'click', (function (el) {
                      return function() {
                          current.li.className = '';
                          current.link.disabled = true;
                          current = el;
                          current.li.className = 'current';
                          current.link.disabled = false;
                      }
                  })(info[title]));
              }
          }

          current = info['Default'];
          current.li.className = 'current';
          current.link.disabled = false;

          ul.id = 'switch';
          container = document.getElementById(container_id);
          container.appendChild(ul);
      });
  })('styleswitcher');
  </script>
<body>

<p>This is a demo/test page showing all languages supported by
<a href="https://github.com/scrivo/highlight.php">highlight.php</a>.
Most snippets do not contain working code :-).

<div id="styleswitcher">
  <h2>Styles</h2>
</div>

<h2>Automatically detected languages</h2>

<?php echo $testResult; ?>
<table id="autotest"><?php echo $tableRows; ?></table>

</body>
</html>