create TOC from HTML file

rich1.0phorkiehttps://p.cweiske.de/create TOC from HTML fileChristian Weiske86400900900 <link rel="stylesheet" href="https://p.cweiske.de/css/embed.css"/> <div class="phork" id="199"> <div class="phork-file"> <div class="phork-content"> <style type="text/css">/** * GeSHi (C) 2004 - 2007 Nigel McNie, 2007 - 2008 Benny Baumann * (http://qbnz.com/highlighter/ and http://geshi.org/) */ .php .de1, .php .de2 {font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;} .php {font-family:monospace;} .php .imp {font-weight: bold; color: red;} .php li, .php .li1 {color: #DDD;} .php .ln {width:1px;text-align:right;margin:0;padding:0 2px;vertical-align:top;} .php .kw1 {color: #b1b100;} .php .kw2 {color: #000000; font-weight: bold;} .php .kw3 {color: #990000;} .php .kw4 {color: #009900; font-weight: bold;} .php .co1 {color: #666666; font-style: italic;} .php .co2 {color: #666666; font-style: italic;} .php .co3 {color: #0000cc; font-style: italic;} .php .co4 {color: #009933; font-style: italic;} .php .coMULTI {color: #666666; font-style: italic;} .php .es0 {color: #000099; font-weight: bold;} .php .es1 {color: #000099; font-weight: bold;} .php .es2 {color: #660099; font-weight: bold;} .php .es3 {color: #660099; font-weight: bold;} .php .es4 {color: #006699; font-weight: bold;} .php .es5 {color: #006699; font-weight: bold; font-style: italic;} .php .es6 {color: #009933; font-weight: bold;} .php .es_h {color: #000099; font-weight: bold;} .php .br0 {color: #009900;} .php .sy0 {color: #339933;} .php .sy1 {color: #000000; font-weight: bold;} .php .st0 {color: #0000ff;} .php .st_h {color: #0000ff;} .php .nu0 {color: #cc66cc;} .php .nu8 {color: #208080;} .php .nu12 {color: #208080;} .php .nu19 {color:#800080;} .php .me1 {color: #004000;} .php .me2 {color: #004000;} .php .re0 {color: #000088;} .php span.xtra { display:block; } </style><div class="code"><table class="php"><tbody><tr class="li1"><td class="ln"><pre class="de1">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 </pre></td><td class="de1"><pre class="de1">#!/usr/bin/env php <?php /**  * Creates a TOC (table of contents) from a given HTML file.  * <h1> is ignored; all other headings are used.  *  * @author Christian Weiske <cweiske@cweiske.de>  *  * Alternative if you have an XSLT 2 processor: http://xmlplease.com/tocxhtml  */ if ($argc < 2) {     echo "Please pass a file\n";     <a href="http://www.php.net/exit">exit</a>(1); } $file = $argv[1]; if (!<a href="http://www.php.net/file_exists">file_exists</a>($file)) {     echo "File does not exist: $file\n";     <a href="http://www.php.net/exit">exit</a>(2); } if (<a href="http://www.php.net/substr">substr</a>($file, -4) != '.htm') {     echo "build-toc.php works only on htm files\n";     <a href="http://www.php.net/exit">exit</a>(3); }   $sx = <a href="http://www.php.net/simplexml_load_file">simplexml_load_file</a>($file); if ($sx === false) {     echo "Failed to load XML\n";     <a href="http://www.php.net/exit">exit</a>(4);     }   $body = $sx->body; $body->registerXPathNamespace('h', 'http://www.w3.org/1999/xhtml'); $elems = $body->xpath(     '//*['     //XHTML     . 'self::h:h2 or self::h:h3 or self::h:h4 or self::h:h5 or self::h:h6'     //HTML     . ' or self::h2 or self::h3 or self::h4 or self::h5 or self::h6'     . ']' );   $data = <a href="http://www.php.net/array">array</a>(); $n = -1; foreach ($elems as $elem) {     $name = $elem->getName();     $level = (int) $name{1};     $data[] = (object) <a href="http://www.php.net/array">array</a>(         'title' => (string) $elem,         'id'    => (string) $elem['id'],         'level' => $level,         'nextLevel' => null     );     if (++$n >= 1) {         $data[$n - 1]->nextLevel = $level;     } }   $html = "<ul class=\"toc\">\n"; foreach ($data as $h) {     $i = <a href="http://www.php.net/str_repeat">str_repeat</a>(' ', ($h->level -1) * 2 - 1);     $html .= $i         . '<li><a href="#' . $h->id . '">'         . <a href="http://www.php.net/htmlspecialchars">htmlspecialchars</a>($h->title)         . '</a>';     if ($h->nextLevel > $h->level) {         $html .= "\n"             . $i . ' <ul>' . "\n";     } else {         $html .= '</li>' . "\n";     }     if ($h->nextLevel < $h->level) {         $html .= <a href="http://www.php.net/substr">substr</a>($i, 0, -1) . "</ul>\n"             . <a href="http://www.php.net/substr">substr</a>($i, 0, -2) . "</li>\n";     } }   $html .= "</ul>\n"; echo $html; ?>  </pre></td></tr></tbody></table></div> </div> <div class="phork-meta"> <a href="https://p.cweiske.de/199/rev-raw/606cf73040980fa8d15f769383a5ade79028e4b9/build-toc.php" style="float: right">view raw source</a> <a href="https://p.cweiske.de/199#build-toc.php">build-toc.php</a> </div> </div> <div class="phork-file"> <div class="phork-content"> <style type="text/css">/** * GeSHi (C) 2004 - 2007 Nigel McNie, 2007 - 2008 Benny Baumann * (http://qbnz.com/highlighter/ and http://geshi.org/) */ .xml .de1, .xml .de2 {font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;} .xml {font-family:monospace;} .xml .imp {font-weight: bold; color: red;} .xml li, .xml .li1 {color: #DDD;} .xml .ln {width:1px;text-align:right;margin:0;padding:0 2px;vertical-align:top;} .xml .es0 {color: #000099; font-weight: bold;} .xml .br0 {color: #66cc66;} .xml .sy0 {color: #66cc66;} .xml .st0 {color: #ff0000;} .xml .sc-1 {color: #808080; font-style: italic;} .xml .sc0 {color: #00bbdd;} .xml .sc1 {color: #ddbb00;} .xml .sc2 {color: #339933;} .xml .sc3 {color: #009900;} .xml .re0 {color: #000066;} .xml .re1 {color: #000000; font-weight: bold;} .xml .re2 {color: #000000; font-weight: bold;} .xml span.xtra { display:block; } </style><div class="code"><table class="xml"><tbody><tr class="li1"><td class="ln"><pre class="de1">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 </pre></td><td class="de1"><pre class="de1"><ul class="toc">  <li><a href="#detection">USB device detection</a>   <ul>    <li><a href="#detection-pc">Linux PC</a></li>    <li><a href="#detection-ouya">OUYA</a></li>    <li><a href="#whatnow">What now?</a></li>   </ul>  </li>  <li><a href="#drivers">Linux drivers</a>   <ul>    <li><a href="#ouya-config">OUYA kernel configuration</a></li>   </ul>  </li>  <li><a href="#own-kernel">A custom OUYA linux kernel</a>   <ul>    <li><a href="#prep">Preparation</a></li>    <li><a href="#ramdisk">Ramdisk</a></li>    <li><a href="#ndk">Android NDK</a></li>    <li><a href="#kernel-git">OUYA kernel + configuration</a></li>    <li><a href="#install">Installing the kernel</a></li>    <li><a href="#dmesg">Success!</a></li>   </ul>  </li> </ul>  </pre></td></tr></tbody></table></div> </div> <div class="phork-meta"> <a href="https://p.cweiske.de/199/rev-raw/606cf73040980fa8d15f769383a5ade79028e4b9/example-output.html" style="float: right">view raw source</a> <a href="https://p.cweiske.de/199#example-output.html">example-output.html</a> </div> </div> </div>