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-rw-r--r--lib/readability/JSLikeHTMLElement.php110
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diff --git a/lib/readability/JSLikeHTMLElement.php b/lib/readability/JSLikeHTMLElement.php
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--- a/lib/readability/JSLikeHTMLElement.php
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-<?php
-/**
-* JavaScript-like HTML DOM Element
-*
-* This class extends PHP's DOMElement to allow
-* users to get and set the innerHTML property of
-* HTML elements in the same way it's done in
-* JavaScript.
-*
-* Example usage:
-* @code
-* require_once 'JSLikeHTMLElement.php';
-* header('Content-Type: text/plain');
-* $doc = new DOMDocument();
-* $doc->registerNodeClass('DOMElement', 'JSLikeHTMLElement');
-* $doc->loadHTML('<div><p>Para 1</p><p>Para 2</p></div>');
-* $elem = $doc->getElementsByTagName('div')->item(0);
-*
-* // print innerHTML
-* echo $elem->innerHTML; // prints '<p>Para 1</p><p>Para 2</p>'
-* echo "\n\n";
-*
-* // set innerHTML
-* $elem->innerHTML = '<a href="http://fivefilters.org">FiveFilters.org</a>';
-* echo $elem->innerHTML; // prints '<a href="http://fivefilters.org">FiveFilters.org</a>'
-* echo "\n\n";
-*
-* // print document (with our changes)
-* echo $doc->saveXML();
-* @endcode
-*
-* @author Keyvan Minoukadeh - http://www.keyvan.net - [email protected]
-* @see http://fivefilters.org (the project this was written for)
-*/
-class JSLikeHTMLElement extends DOMElement
-{
- /**
- * Used for setting innerHTML like it's done in JavaScript:
- * @code
- * $div->innerHTML = '<h2>Chapter 2</h2><p>The story begins...</p>';
- * @endcode
- */
- public function __set($name, $value) {
- if ($name == 'innerHTML') {
- // first, empty the element
- for ($x=$this->childNodes->length-1; $x>=0; $x--) {
- $this->removeChild($this->childNodes->item($x));
- }
- // $value holds our new inner HTML
- if ($value != '') {
- $f = $this->ownerDocument->createDocumentFragment();
- // appendXML() expects well-formed markup (XHTML)
- $result = @$f->appendXML($value); // @ to suppress PHP warnings
- if ($result) {
- if ($f->hasChildNodes()) $this->appendChild($f);
- } else {
- // $value is probably ill-formed
- $f = new DOMDocument();
- $value = mb_convert_encoding($value, 'HTML-ENTITIES', 'UTF-8');
- // Using <htmlfragment> will generate a warning, but so will bad HTML
- // (and by this point, bad HTML is what we've got).
- // We use it (and suppress the warning) because an HTML fragment will
- // be wrapped around <html><body> tags which we don't really want to keep.
- // Note: despite the warning, if loadHTML succeeds it will return true.
- $result = @$f->loadHTML('<htmlfragment>'.$value.'</htmlfragment>');
- if ($result) {
- $import = $f->getElementsByTagName('htmlfragment')->item(0);
- foreach ($import->childNodes as $child) {
- $importedNode = $this->ownerDocument->importNode($child, true);
- $this->appendChild($importedNode);
- }
- } else {
- // oh well, we tried, we really did. :(
- // this element is now empty
- }
- }
- }
- } else {
- $trace = debug_backtrace();
- trigger_error('Undefined property via __set(): '.$name.' in '.$trace[0]['file'].' on line '.$trace[0]['line'], E_USER_NOTICE);
- }
- }
-
- /**
- * Used for getting innerHTML like it's done in JavaScript:
- * @code
- * $string = $div->innerHTML;
- * @endcode
- */
- public function __get($name)
- {
- if ($name == 'innerHTML') {
- $inner = '';
- foreach ($this->childNodes as $child) {
- $inner .= $this->ownerDocument->saveXML($child);
- }
- return $inner;
- }
-
- $trace = debug_backtrace();
- trigger_error('Undefined property via __get(): '.$name.' in '.$trace[0]['file'].' on line '.$trace[0]['line'], E_USER_NOTICE);
- return null;
- }
-
- public function __toString()
- {
- return '['.$this->tagName.']';
- }
-}
-?>