add ID attributes to all content tags of an xhtml page

rich1.0phorkiehttps://p.cweiske.de/add ID attributes to all content tags of an xhtml pageChristian Weiske86400900900 <link rel="stylesheet" href="https://p.cweiske.de/css/embed.css"/> <div class="phork" id="144"> <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 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 </pre></td><td class="de1"><pre class="de1">#!/usr/bin/env php <?php /**  * Add an ID to each content tag in the given HTML file so  * that it's possible to link to each paragraph.  *  * The rules are:  * - content tags get an ID (p, li, dd, dt)  * - IDs of headings are used as prefix for the following content tags  * - if one content tag (li) contains a content tag (p), the parent content  *   tag (li) gets its id removed  * - ids get prefixed  *  * @author Christian Weiske <cweiske@cweiske.de>  */ $bRemoveContainerIdsOnContent = false;   if ($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 "add-ids works only on htm files\n";     <a href="http://www.php.net/exit">exit</a>(3); }   require_once 'autoload.php';   $sx = <a href="http://www.php.net/simplexml_load_file">simplexml_load_file</a>($file); if ($sx === false) {     echo "Failed to load XML\n";     <a href="http://www.php.net/exit">exit</a>(4);     }   //tags whose ID is used as prefix for the next $refTags = <a href="http://www.php.net/array_flip">array_flip</a>(<a href="http://www.php.net/array">array</a>('h1', 'h2', 'h3', 'h4', 'h5', 'h6')); $idTags = <a href="http://www.php.net/array">array</a>(     'blockquote' => 'q',     'dd' => 'd',     'dl' => 'l',     'dt' => 't',     'h1' => 'h',     'h2' => 'h',     'h3' => 'h',     'h4' => 'h',     'h5' => 'h',     'h6' => 'h',     'li' => 'i',     'ol' => 'l',     'p'  => 'p',     'pre' => 'c',     'ul' => 'l', ); $containerTags = <a href="http://www.php.net/array_flip">array_flip</a>(     <a href="http://www.php.net/array">array</a>(         'blockquote', 'div',         'dl', 'ol', 'ul', 'li'     ) ); $idPrefix    = ''; $counter     = <a href="http://www.php.net/array">array</a>(); $existingIds = <a href="http://www.php.net/array">array</a>();   addIds($sx->body->children());   function addIds($tags) {     global $containerTags, $idTags, $refTags,         $idPrefix, $counter, $existingIds, $bRemoveContainerIdsOnContent;       $contentIds = 0;     foreach ($tags as $tag) {         $tagname = $tag->getName();         if (!<a href="http://www.php.net/array_key_exists">array_key_exists</a>($tagname, $idTags)             && !<a href="http://www.php.net/array_key_exists">array_key_exists</a>($tagname, $containerTags)) {             continue;         }           if (<a href="http://www.php.net/isset">isset</a>($tag['id'])) {             $existingIds[(string) $tag['id']] = true;             if (<a href="http://www.php.net/isset">isset</a>($refTags[$tagname])) {                 $idPrefix = $tag['id'] . '-';                 //reset counter, but keep heading counter                 foreach ($counter as $key => $val) {                     if ($key != 'h') {                         $counter[$key] = 0;                     }                 }             }         } else if (<a href="http://www.php.net/isset">isset</a>($idTags[$tagname])) {             //add ID to element             $idtagname = $idTags[$tagname];             if (!<a href="http://www.php.net/isset">isset</a>($counter[$idtagname])) {                 $counter[$idtagname] = 0;             }               do {                 $newId = $idPrefix . $idtagname . ++$counter[$idtagname];             } while (<a href="http://www.php.net/isset">isset</a>($existingIds[$newId]));             $tag['id'] = $newId;             $existingIds[$newId] = true;         }           if (<a href="http://www.php.net/isset">isset</a>($containerTags[$tagname])) {             $childContentIds = addIds($tag->children());             $contentIds += $childContentIds;               if ($bRemoveContainerIdsOnContent && $childContentIds > 0) {                 <a href="http://www.php.net/unset">unset</a>($tag['id']);             }         } else if (<a href="http://www.php.net/isset">isset</a>($idTags[$tagname])) {             $contentIds++;         }       }     return $contentIds; }   $newXml = $sx->asXML(); if (<a href="http://www.php.net/strlen">strlen</a>($newXml) < <a href="http://www.php.net/filesize">filesize</a>($file)) {     echo "Something went wrong when adding IDs to $file\n";     <a href="http://www.php.net/exit">exit</a>(10); } <a href="http://www.php.net/file_put_contents">file_put_contents</a>($file, $newXml); ?>  </pre></td></tr></tbody></table></div> </div> <div class="phork-meta"> <a href="https://p.cweiske.de/144/rev-raw/53d33c6454d006ec5948982a246bdd95efcc91c3/add-ids.php" style="float: right">view raw source</a> <a href="https://p.cweiske.de/144#add-ids.php">add-ids.php</a> </div> </div> </div>