wasinger /
htmlpagedom
Complex classes like HtmlPageCrawler often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use HtmlPageCrawler, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 15 | class HtmlPageCrawler extends Crawler |
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| 16 | { |
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| 17 | /** |
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| 18 | * the (internal) root element name used when importing html fragments |
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| 19 | * */ |
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| 20 | const FRAGMENT_ROOT_TAGNAME = '_root'; |
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| 21 | |||
| 22 | /** |
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| 23 | * Get an HtmlPageCrawler object from a HTML string, DOMNode, DOMNodeList or HtmlPageCrawler |
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| 24 | * |
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| 25 | * This is the equivalent to jQuery's $() function when used for wrapping DOMNodes or creating DOMElements from HTML code. |
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| 26 | * |
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| 27 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList|array $content |
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| 28 | * @return HtmlPageCrawler |
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| 29 | * @api |
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| 30 | */ |
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| 31 | 18 | public static function create($content) |
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| 39 | |||
| 40 | /** |
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| 41 | * Adds the specified class(es) to each element in the set of matched elements. |
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| 42 | * |
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| 43 | * @param string $name One or more space-separated classes to be added to the class attribute of each matched element. |
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| 44 | * @return HtmlPageCrawler $this for chaining |
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| 45 | * @api |
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| 46 | */ |
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| 47 | 1 | public function addClass($name) |
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| 48 | { |
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| 49 | 1 | foreach ($this as $node) { |
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| 50 | 1 | if ($node instanceof \DOMElement) { |
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| 51 | /** @var \DOMElement $node */ |
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| 52 | 1 | $classes = preg_split('/\s+/s', $node->getAttribute('class')); |
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| 53 | 1 | $found = false; |
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| 54 | 1 | $count = count($classes); |
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| 55 | 1 | for ($i = 0; $i < $count; $i++) { |
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| 56 | 1 | if ($classes[$i] == $name) { |
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| 57 | 1 | $found = true; |
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| 58 | 1 | } |
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| 59 | 1 | } |
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| 60 | 1 | if (!$found) { |
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| 61 | 1 | $classes[] = $name; |
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| 62 | 1 | $node->setAttribute('class', trim(join(' ', $classes))); |
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| 63 | 1 | } |
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| 64 | 1 | } |
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| 65 | 1 | } |
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| 66 | 1 | return $this; |
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| 67 | } |
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| 68 | |||
| 69 | /** |
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| 70 | * Insert content, specified by the parameter, after each element in the set of matched elements. |
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| 71 | * |
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| 72 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $content |
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| 73 | * @return HtmlPageCrawler $this for chaining |
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| 74 | * @api |
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| 75 | */ |
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| 76 | 3 | public function after($content) |
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| 77 | { |
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| 78 | 3 | $content = self::create($content); |
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| 79 | 3 | $newnodes = array(); |
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| 80 | 3 | foreach ($this as $i => $node) { |
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| 81 | /** @var \DOMNode $node */ |
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| 82 | 3 | $refnode = $node->nextSibling; |
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| 83 | 3 | foreach ($content as $newnode) { |
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| 84 | /** @var \DOMNode $newnode */ |
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| 85 | 3 | $newnode = static::importNewnode($newnode, $node, $i); |
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| 86 | 3 | if ($refnode === null) { |
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| 87 | 3 | $node->parentNode->appendChild($newnode); |
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| 88 | 3 | } else { |
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| 89 | 1 | $node->parentNode->insertBefore($newnode, $refnode); |
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| 90 | } |
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| 91 | 3 | $newnodes[] = $newnode; |
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| 92 | 3 | } |
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| 93 | 3 | } |
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| 94 | 3 | $content->clear(); |
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| 95 | 3 | $content->add($newnodes); |
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| 96 | 3 | return $this; |
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| 97 | } |
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| 98 | |||
| 99 | /** |
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| 100 | * Insert HTML content as child nodes of each element after existing children |
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| 101 | * |
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| 102 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $content HTML code fragment or DOMNode to append |
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| 103 | * @return HtmlPageCrawler $this for chaining |
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| 104 | * @api |
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| 105 | */ |
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| 106 | 2 | public function append($content) |
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| 107 | { |
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| 108 | 2 | $content = self::create($content); |
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| 109 | 2 | $newnodes = array(); |
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| 110 | 2 | foreach ($this as $i => $node) { |
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| 111 | /** @var \DOMNode $node */ |
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| 112 | 2 | foreach ($content as $newnode) { |
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| 113 | /** @var \DOMNode $newnode */ |
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| 114 | 2 | $newnode = static::importNewnode($newnode, $node, $i); |
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| 115 | // if ($newnode->ownerDocument !== $node->ownerDocument) { |
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| 116 | // $newnode = $node->ownerDocument->importNode($newnode, true); |
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| 117 | // } else { |
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| 118 | // if ($i > 0) { |
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| 119 | // $newnode = $newnode->cloneNode(true); |
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| 120 | // } |
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| 121 | // } |
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| 122 | 2 | $node->appendChild($newnode); |
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| 123 | 2 | $newnodes[] = $newnode; |
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| 124 | 2 | } |
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| 125 | 2 | } |
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| 126 | 2 | $content->clear(); |
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| 127 | 2 | $content->add($newnodes); |
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| 128 | 2 | return $this; |
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| 129 | } |
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| 130 | |||
| 131 | /** |
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| 132 | * Insert every element in the set of matched elements to the end of the target. |
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| 133 | * |
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| 134 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $element |
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| 135 | * @return \Wa72\HtmlPageDom\HtmlPageCrawler A new Crawler object containing all elements appended to the target elements |
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| 136 | * @api |
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| 137 | */ |
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| 138 | 2 | public function appendTo($element) |
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| 139 | { |
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| 140 | 2 | $e = self::create($element); |
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| 141 | 2 | $newnodes = array(); |
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| 142 | 2 | foreach ($e as $i => $node) { |
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| 143 | /** @var \DOMNode $node */ |
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| 144 | 2 | foreach ($this as $newnode) { |
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| 145 | /** @var \DOMNode $newnode */ |
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| 146 | 2 | if ($node !== $newnode) { |
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| 147 | 2 | $newnode = static::importNewnode($newnode, $node, $i); |
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| 148 | 2 | $node->appendChild($newnode); |
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| 149 | 2 | } |
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| 150 | 2 | $newnodes[] = $newnode; |
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| 151 | 2 | } |
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| 152 | 2 | } |
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| 153 | 2 | return self::create($newnodes); |
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| 154 | } |
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| 155 | |||
| 156 | /** |
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| 157 | * Returns the attribute value of the first node of the list, or sets an attribute on each element |
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| 158 | * |
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| 159 | * @see HtmlPageCrawler::getAttribute() |
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| 160 | * @see HtmlPageCrawler::setAttribute |
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| 161 | * |
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| 162 | * @param string $name |
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| 163 | * @param null|string $value |
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| 164 | * @return null|string|HtmlPageCrawler |
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| 165 | * @api |
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| 166 | */ |
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| 167 | 2 | public function attr($name, $value = null) |
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| 175 | |||
| 176 | /** |
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| 177 | * Sets an attribute on each element |
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| 178 | * |
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| 179 | * @param string $name |
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| 180 | * @param string $value |
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| 181 | * @return HtmlPageCrawler $this for chaining |
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| 182 | */ |
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| 183 | 3 | public function setAttribute($name, $value) |
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| 184 | { |
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| 185 | 3 | foreach ($this as $node) { |
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| 186 | 3 | if ($node instanceof \DOMElement) { |
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| 187 | /** @var \DOMElement $node */ |
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| 188 | 3 | $node->setAttribute($name, $value); |
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| 189 | 3 | } |
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| 190 | 3 | } |
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| 191 | 3 | return $this; |
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| 192 | } |
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| 193 | |||
| 194 | /** |
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| 195 | * Returns the attribute value of the first node of the list. |
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| 196 | * |
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| 197 | * @param string $name The attribute name |
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| 198 | * @return string|null The attribute value or null if the attribute does not exist |
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| 199 | * @throws \InvalidArgumentException When current node is empty |
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| 200 | * |
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| 201 | */ |
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| 202 | 2 | public function getAttribute($name) |
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| 210 | |||
| 211 | /** |
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| 212 | * Insert content, specified by the parameter, before each element in the set of matched elements. |
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| 213 | * |
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| 214 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $content |
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| 215 | * @return HtmlPageCrawler $this for chaining |
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| 216 | * @api |
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| 217 | */ |
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| 218 | 2 | public function before($content) |
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| 219 | { |
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| 220 | 2 | $content = self::create($content); |
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| 221 | 2 | $newnodes = array(); |
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| 222 | 2 | foreach ($this as $i => $node) { |
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| 223 | /** @var \DOMNode $node */ |
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| 224 | 2 | foreach ($content as $newnode) { |
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| 225 | /** @var \DOMNode $newnode */ |
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| 226 | 2 | if ($node !== $newnode) { |
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| 227 | 2 | $newnode = static::importNewnode($newnode, $node, $i); |
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| 228 | 2 | $node->parentNode->insertBefore($newnode, $node); |
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| 229 | 2 | $newnodes[] = $newnode; |
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| 230 | 2 | } |
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| 231 | 2 | } |
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| 232 | 2 | } |
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| 233 | 2 | $content->clear(); |
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| 234 | 2 | $content->add($newnodes); |
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| 235 | 2 | return $this; |
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| 236 | } |
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| 237 | |||
| 238 | /** |
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| 239 | * Create a deep copy of the set of matched elements. |
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| 240 | * |
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| 241 | * Equivalent to clone() in jQuery (clone is not a valid PHP function name) |
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| 242 | * |
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| 243 | * @return HtmlPageCrawler |
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| 244 | * @api |
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| 245 | */ |
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| 246 | 1 | public function makeClone() |
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| 250 | |||
| 251 | 1 | public function __clone() |
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| 252 | { |
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| 253 | 1 | $newnodes = array(); |
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| 254 | 1 | foreach ($this as $node) { |
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| 255 | /** @var \DOMNode $node */ |
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| 256 | 1 | $newnodes[] = $node->cloneNode(true); |
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| 257 | 1 | } |
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| 258 | 1 | $this->clear(); |
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| 259 | 1 | $this->add($newnodes); |
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| 260 | 1 | } |
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| 261 | |||
| 262 | /** |
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| 263 | * Get one CSS style property of the first element or set it for all elements in the list |
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| 264 | * |
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| 265 | * Function is here for compatibility with jQuery; it is the same as getStyle() and setStyle() |
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| 266 | * |
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| 267 | * @see HtmlPageCrawler::getStyle() |
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| 268 | * @see HtmlPageCrawler::setStyle() |
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| 269 | * |
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| 270 | * @param string $key The name of the style property |
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| 271 | * @param null|string $value The CSS value to set, or NULL to get the current value |
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| 272 | * @return HtmlPageCrawler|string If no param is provided, returns the CSS styles of the first element |
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| 273 | * @api |
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| 274 | */ |
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| 275 | 1 | public function css($key, $value = null) |
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| 283 | |||
| 284 | /** |
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| 285 | * get one CSS style property of the first element |
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| 286 | * |
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| 287 | * @param string $key name of the property |
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| 288 | * @return string|null value of the property |
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| 289 | */ |
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| 290 | 1 | public function getStyle($key) |
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| 295 | |||
| 296 | /** |
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| 297 | * set one CSS style property for all elements in the list |
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| 298 | * |
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| 299 | * @param string $key name of the property |
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| 300 | * @param string $value value of the property |
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| 301 | * @return HtmlPageCrawler $this for chaining |
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| 302 | */ |
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| 303 | 1 | public function setStyle($key, $value) |
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| 304 | { |
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| 305 | 1 | foreach ($this as $node) { |
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| 306 | 1 | if ($node instanceof \DOMElement) { |
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| 307 | /** @var \DOMElement $node */ |
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| 308 | 1 | $styles = Helpers::cssStringToArray($node->getAttribute('style')); |
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| 309 | 1 | if ($value != '') { |
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| 310 | 1 | $styles[$key] = $value; |
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| 311 | 1 | } elseif (isset($styles[$key])) { |
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| 312 | 1 | unset($styles[$key]); |
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| 313 | 1 | } |
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| 314 | 1 | $node->setAttribute('style', Helpers::cssArrayToString($styles)); |
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| 315 | 1 | } |
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| 316 | 1 | } |
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| 317 | 1 | return $this; |
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| 318 | } |
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| 319 | |||
| 320 | /** |
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| 321 | * Removes all child nodes and text from all nodes in set |
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| 322 | * |
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| 323 | * Equivalent to jQuery's empty() function which is not a valid function name in PHP |
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| 324 | * @return HtmlPageCrawler $this |
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| 325 | * @api |
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| 326 | */ |
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| 327 | 1 | public function makeEmpty() |
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| 328 | { |
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| 329 | 1 | foreach ($this as $node) { |
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| 330 | 1 | $node->nodeValue = ''; |
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| 331 | 1 | } |
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| 332 | 1 | return $this; |
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| 333 | } |
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| 334 | |||
| 335 | /** |
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| 336 | * Determine whether any of the matched elements are assigned the given class. |
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| 337 | * |
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| 338 | * @param string $name |
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| 339 | * @return bool |
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| 340 | * @api |
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| 341 | */ |
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| 342 | 2 | public function hasClass($name) |
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| 343 | { |
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| 344 | 2 | foreach ($this as $node) { |
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| 345 | 2 | if ($node instanceof \DOMElement && $class = $node->getAttribute('class')) { |
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| 346 | 2 | $classes = preg_split('/\s+/s', $class); |
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| 347 | 2 | if (in_array($name, $classes)) { |
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| 348 | 2 | return true; |
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| 349 | } |
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| 350 | 1 | } |
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| 351 | 2 | } |
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| 352 | 2 | return false; |
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| 353 | } |
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| 354 | |||
| 355 | /** |
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| 356 | * Get the HTML contents of the first element in the set of matched elements |
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| 357 | * or set the HTML contents of every matched element. |
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| 358 | * |
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| 359 | * Function is here for compatibility with jQuery: When called with a parameter, it is |
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| 360 | * equivalent to setInnerHtml(), without parameter it is the same as getInnerHtml() |
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| 361 | * |
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| 362 | * @see HtmlPageCrawler::setInnerHtml() |
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| 363 | * @see HtmlPageCrawler::getInnerHtml() |
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| 364 | * |
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| 365 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList|null $html The HTML content to set, or NULL to get the current content |
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| 366 | * |
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| 367 | * @return HtmlPageCrawler|string If no param is provided, returns the HTML content of the first element |
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| 368 | * @api |
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| 369 | */ |
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| 370 | 1 | public function html($html = null) |
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| 379 | |||
| 380 | /** |
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| 381 | * Get the innerHTML contents of the first element |
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| 382 | * |
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| 383 | * @return string HTML code fragment |
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| 384 | */ |
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| 385 | 4 | public function getInnerHtml() |
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| 398 | |||
| 399 | /** |
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| 400 | * Set the HTML contents of each element |
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| 401 | * |
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| 402 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $content HTML code fragment |
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| 403 | * @return HtmlPageCrawler $this for chaining |
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| 404 | */ |
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| 405 | 3 | public function setInnerHtml($content) |
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| 406 | { |
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| 407 | 3 | $content = self::create($content); |
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| 408 | 3 | foreach ($this as $node) { |
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| 409 | 3 | $node->nodeValue = ''; |
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| 410 | 3 | foreach ($content as $newnode) { |
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| 411 | /** @var \DOMNode $node */ |
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| 412 | /** @var \DOMNode $newnode */ |
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| 413 | 3 | $newnode = static::importNewnode($newnode, $node); |
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| 414 | 3 | $node->appendChild($newnode); |
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| 415 | 3 | } |
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| 416 | 3 | } |
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| 417 | 3 | return $this; |
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| 418 | } |
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| 419 | |||
| 420 | /** |
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| 421 | * Insert every element in the set of matched elements after the target. |
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| 422 | * |
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| 423 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $element |
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| 424 | * @return \Wa72\HtmlPageDom\HtmlPageCrawler A new Crawler object containing all elements appended to the target elements |
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| 425 | * @api |
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| 426 | */ |
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| 427 | 2 | public function insertAfter($element) |
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| 428 | { |
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| 429 | 2 | $e = self::create($element); |
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| 430 | 2 | $newnodes = array(); |
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| 431 | 2 | foreach ($e as $i => $node) { |
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| 432 | /** @var \DOMNode $node */ |
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| 433 | 2 | $refnode = $node->nextSibling; |
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| 434 | 2 | foreach ($this as $newnode) { |
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| 435 | /** @var \DOMNode $newnode */ |
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| 436 | 2 | $newnode = static::importNewnode($newnode, $node, $i); |
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| 437 | 2 | if ($refnode === null) { |
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| 438 | 2 | $node->parentNode->appendChild($newnode); |
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| 439 | 2 | } else { |
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| 440 | 1 | $node->parentNode->insertBefore($newnode, $refnode); |
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| 441 | } |
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| 442 | 2 | $newnodes[] = $newnode; |
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| 443 | 2 | } |
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| 444 | 2 | } |
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| 445 | 2 | return self::create($newnodes); |
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| 446 | } |
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| 447 | |||
| 448 | /** |
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| 449 | * Insert every element in the set of matched elements before the target. |
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| 450 | * |
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| 451 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $element |
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| 452 | * @return \Wa72\HtmlPageDom\HtmlPageCrawler A new Crawler object containing all elements appended to the target elements |
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| 453 | * @api |
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| 454 | */ |
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| 455 | 2 | public function insertBefore($element) |
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| 456 | { |
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| 457 | 2 | $e = self::create($element); |
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| 458 | 2 | $newnodes = array(); |
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| 459 | 2 | foreach ($e as $i => $node) { |
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| 460 | /** @var \DOMNode $node */ |
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| 461 | 2 | foreach ($this as $newnode) { |
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| 462 | /** @var \DOMNode $newnode */ |
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| 463 | 2 | $newnode = static::importNewnode($newnode, $node, $i); |
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| 464 | 2 | if ($newnode !== $node) { |
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| 465 | 2 | $node->parentNode->insertBefore($newnode, $node); |
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| 466 | 2 | } |
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| 467 | 2 | $newnodes[] = $newnode; |
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| 468 | 2 | } |
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| 469 | 2 | } |
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| 470 | 2 | return self::create($newnodes); |
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| 471 | } |
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| 472 | |||
| 473 | /** |
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| 474 | * Insert content, specified by the parameter, to the beginning of each element in the set of matched elements. |
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| 475 | * |
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| 476 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $content HTML code fragment |
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| 477 | * @return HtmlPageCrawler $this for chaining |
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| 478 | * @api |
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| 479 | */ |
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| 480 | 2 | public function prepend($content) |
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| 481 | { |
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| 482 | 2 | $content = self::create($content); |
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| 483 | 2 | $newnodes = array(); |
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| 484 | 2 | foreach ($this as $i => $node) { |
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| 485 | 2 | $refnode = $node->firstChild; |
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| 486 | /** @var \DOMNode $node */ |
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| 487 | 2 | foreach ($content as $newnode) { |
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| 488 | /** @var \DOMNode $newnode */ |
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| 489 | 2 | $newnode = static::importNewnode($newnode, $node, $i); |
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| 490 | 2 | if ($refnode === null) { |
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| 491 | 1 | $node->appendChild($newnode); |
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| 492 | 2 | } else if ($refnode !== $newnode) { |
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| 493 | 2 | $node->insertBefore($newnode, $refnode); |
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| 494 | 2 | } |
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| 495 | 2 | $newnodes[] = $newnode; |
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| 496 | 2 | } |
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| 497 | 2 | } |
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| 498 | 2 | $content->clear(); |
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| 499 | 2 | $content->add($newnodes); |
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| 500 | 2 | return $this; |
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| 501 | } |
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| 502 | |||
| 503 | /** |
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| 504 | * Insert every element in the set of matched elements to the beginning of the target. |
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| 505 | * |
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| 506 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $element |
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| 507 | * @return \Wa72\HtmlPageDom\HtmlPageCrawler A new Crawler object containing all elements prepended to the target elements |
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| 508 | * @api |
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| 509 | */ |
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| 510 | 1 | public function prependTo($element) |
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| 511 | { |
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| 512 | 1 | $e = self::create($element); |
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| 513 | 1 | $newnodes = array(); |
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| 514 | 1 | foreach ($e as $i => $node) { |
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| 515 | 1 | $refnode = $node->firstChild; |
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| 516 | /** @var \DOMNode $node */ |
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| 517 | 1 | foreach ($this as $newnode) { |
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| 518 | /** @var \DOMNode $newnode */ |
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| 519 | 1 | $newnode = static::importNewnode($newnode, $node, $i); |
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| 520 | 1 | if ($newnode !== $node) { |
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| 521 | 1 | if ($refnode === null) { |
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| 522 | 1 | $node->appendChild($newnode); |
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| 523 | 1 | } else { |
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| 524 | 1 | $node->insertBefore($newnode, $refnode); |
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| 525 | } |
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| 526 | 1 | } |
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| 527 | 1 | $newnodes[] = $newnode; |
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| 528 | 1 | } |
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| 529 | 1 | } |
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| 530 | 1 | return self::create($newnodes); |
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| 531 | } |
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| 532 | |||
| 533 | /** |
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| 534 | * Remove the set of matched elements from the DOM. |
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| 535 | * |
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| 536 | * (as opposed to Crawler::clear() which detaches the nodes only from Crawler |
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| 537 | * but leaves them in the DOM) |
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| 538 | * |
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| 539 | * @api |
||
| 540 | */ |
||
| 541 | 2 | public function remove() |
|
| 542 | { |
||
| 543 | 2 | foreach ($this as $node) { |
|
| 544 | /** |
||
| 545 | * @var \DOMNode $node |
||
| 546 | */ |
||
| 547 | 2 | if ($node->parentNode instanceof \DOMElement) { |
|
| 548 | 2 | $node->parentNode->removeChild($node); |
|
| 549 | 2 | } |
|
| 550 | 2 | } |
|
| 551 | 2 | $this->clear(); |
|
| 552 | 2 | } |
|
| 553 | |||
| 554 | /** |
||
| 555 | * Remove an attribute from each element in the set of matched elements. |
||
| 556 | * |
||
| 557 | * Alias for removeAttribute for compatibility with jQuery |
||
| 558 | * |
||
| 559 | * @param string $name |
||
| 560 | * @return HtmlPageCrawler |
||
| 561 | * @api |
||
| 562 | */ |
||
| 563 | 1 | public function removeAttr($name) |
|
| 567 | |||
| 568 | /** |
||
| 569 | * Remove an attribute from each element in the set of matched elements. |
||
| 570 | * |
||
| 571 | * @param string $name |
||
| 572 | * @return HtmlPageCrawler |
||
| 573 | */ |
||
| 574 | 1 | public function removeAttribute($name) |
|
| 575 | { |
||
| 576 | 1 | foreach ($this as $node) { |
|
| 577 | 1 | if ($node instanceof \DOMElement) { |
|
| 578 | /** @var \DOMElement $node */ |
||
| 579 | 1 | if ($node->hasAttribute($name)) { |
|
| 580 | 1 | $node->removeAttribute($name); |
|
| 581 | 1 | } |
|
| 582 | 1 | } |
|
| 583 | 1 | } |
|
| 584 | 1 | return $this; |
|
| 585 | } |
||
| 586 | |||
| 587 | /** |
||
| 588 | * Remove a class from each element in the list |
||
| 589 | * |
||
| 590 | * @param string $name |
||
| 591 | * @return HtmlPageCrawler $this for chaining |
||
| 592 | * @api |
||
| 593 | */ |
||
| 594 | 2 | public function removeClass($name) |
|
| 595 | { |
||
| 596 | 2 | foreach ($this as $node) { |
|
| 597 | 2 | if ($node instanceof \DOMElement) { |
|
| 598 | /** @var \DOMElement $node */ |
||
| 599 | 2 | $classes = preg_split('/\s+/s', $node->getAttribute('class')); |
|
| 600 | 2 | $count = count($classes); |
|
| 601 | 2 | for ($i = 0; $i < $count; $i++) { |
|
| 602 | 2 | if ($classes[$i] == $name) { |
|
| 603 | 2 | unset($classes[$i]); |
|
| 604 | 2 | } |
|
| 605 | 2 | } |
|
| 606 | 2 | $node->setAttribute('class', trim(join(' ', $classes))); |
|
| 607 | 2 | } |
|
| 608 | 2 | } |
|
| 609 | 2 | return $this; |
|
| 610 | } |
||
| 611 | |||
| 612 | /** |
||
| 613 | * Replace each target element with the set of matched elements. |
||
| 614 | * |
||
| 615 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $element |
||
| 616 | * @return \Wa72\HtmlPageDom\HtmlPageCrawler A new Crawler object containing all elements appended to the target elements |
||
| 617 | * @api |
||
| 618 | */ |
||
| 619 | 2 | public function replaceAll($element) |
|
| 620 | { |
||
| 621 | 2 | $e = self::create($element); |
|
| 622 | 2 | $newnodes = array(); |
|
| 623 | 2 | foreach ($e as $i => $node) { |
|
| 624 | /** @var \DOMNode $node */ |
||
| 625 | 2 | $parent = $node->parentNode; |
|
| 626 | 2 | $refnode = $node->nextSibling; |
|
| 627 | 2 | foreach ($this as $j => $newnode) { |
|
| 628 | /** @var \DOMNode $newnode */ |
||
| 629 | 2 | $newnode = static::importNewnode($newnode, $node, $i); |
|
| 630 | 2 | if ($j == 0) { |
|
| 631 | 2 | $parent->replaceChild($newnode, $node); |
|
| 632 | 2 | } else { |
|
| 633 | 1 | $parent->insertBefore($newnode, $refnode); |
|
| 634 | } |
||
| 635 | 2 | $newnodes[] = $newnode; |
|
| 636 | 2 | } |
|
| 637 | 2 | } |
|
| 638 | 2 | return self::create($newnodes); |
|
| 639 | } |
||
| 640 | |||
| 641 | /** |
||
| 642 | * Replace each element in the set of matched elements with the provided new content and return the set of elements that was removed. |
||
| 643 | * |
||
| 644 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $content |
||
| 645 | * @return \Wa72\HtmlPageDom\HtmlPageCrawler $this for chaining |
||
| 646 | * @api |
||
| 647 | */ |
||
| 648 | 2 | public function replaceWith($content) |
|
| 649 | { |
||
| 650 | 2 | $content = self::create($content); |
|
| 651 | 2 | $newnodes = array(); |
|
| 652 | 2 | foreach ($this as $i => $node) { |
|
| 653 | /** @var \DOMNode $node */ |
||
| 654 | 2 | $parent = $node->parentNode; |
|
| 655 | 2 | $refnode = $node->nextSibling; |
|
| 656 | 2 | foreach ($content as $j => $newnode) { |
|
| 657 | /** @var \DOMNode $newnode */ |
||
| 658 | 2 | $newnode = static::importNewnode($newnode, $node, $i); |
|
| 659 | 2 | if ($j == 0) { |
|
| 660 | 2 | $parent->replaceChild($newnode, $node); |
|
| 661 | 2 | } else { |
|
| 662 | 1 | $parent->insertBefore($newnode, $refnode); |
|
| 663 | } |
||
| 664 | 2 | $newnodes[] = $newnode; |
|
| 665 | 2 | } |
|
| 666 | 2 | } |
|
| 667 | 2 | $content->clear(); |
|
| 668 | 2 | $content->add($newnodes); |
|
| 669 | 2 | return $this; |
|
| 670 | } |
||
| 671 | |||
| 672 | /** |
||
| 673 | * Get the combined text contents of each element in the set of matched elements, including their descendants, |
||
| 674 | * or set the text contents of the matched elements. |
||
| 675 | * |
||
| 676 | * ATTENTION: Contrary to the parent Crawler class, which returns the text from the first element only, |
||
| 677 | * this functions returns the combined text of all elements (as jQuery does). If this is not what you need you |
||
| 678 | * must call ->first() before calling ->text(), e.g. |
||
| 679 | * |
||
| 680 | * in Symfony\DOMCrawler\Crawler: $c->filter('p')->text() returns the text of the first paragraph only |
||
| 681 | * in HtmlPageCrawler you need to call: $c->filter('p')->first()->text() |
||
| 682 | * |
||
| 683 | * @param null|string $text |
||
| 684 | * @return string|HtmlPageCrawler |
||
| 685 | * @api |
||
| 686 | */ |
||
| 687 | 1 | public function text($text = null) |
|
| 688 | { |
||
| 689 | 1 | if ($text === null) { |
|
| 690 | 1 | $text = ''; |
|
| 691 | 1 | foreach ($this as $node) { |
|
| 692 | /** @var \DOMNode $node */ |
||
| 693 | 1 | $text .= $node->nodeValue; |
|
| 694 | 1 | } |
|
| 695 | 1 | return $text; |
|
| 696 | } else { |
||
| 697 | 1 | foreach ($this as $node) { |
|
| 698 | /** @var \DOMNode $node */ |
||
| 699 | 1 | $node->nodeValue = $text; |
|
| 700 | 1 | } |
|
| 701 | 1 | return $this; |
|
| 702 | } |
||
| 703 | } |
||
| 704 | |||
| 705 | |||
| 706 | /** |
||
| 707 | * Add or remove one or more classes from each element in the set of matched elements, depending the class’s presence. |
||
| 708 | * |
||
| 709 | * @param string $classname One or more classnames separated by spaces |
||
| 710 | * @return \Wa72\HtmlPageDom\HtmlPageCrawler $this for chaining |
||
| 711 | * @api |
||
| 712 | */ |
||
| 713 | 1 | public function toggleClass($classname) |
|
| 714 | { |
||
| 715 | 1 | $classes = explode(' ', $classname); |
|
| 716 | 1 | foreach ($this as $i => $node) { |
|
| 717 | 1 | $c = self::create($node); |
|
| 718 | /** @var \DOMNode $node */ |
||
| 719 | 1 | foreach ($classes as $class) { |
|
| 720 | 1 | if ($c->hasClass($class)) { |
|
| 721 | 1 | $c->removeClass($class); |
|
| 722 | 1 | } else { |
|
| 723 | 1 | $c->addClass($class); |
|
| 724 | } |
||
| 725 | 1 | } |
|
| 726 | 1 | } |
|
| 727 | 1 | return $this; |
|
| 728 | } |
||
| 729 | |||
| 730 | /** |
||
| 731 | * Remove the parents of the set of matched elements from the DOM, leaving the matched elements in their place. |
||
| 732 | * |
||
| 733 | * @return \Wa72\HtmlPageDom\HtmlPageCrawler $this for chaining |
||
| 734 | * @api |
||
| 735 | */ |
||
| 736 | 1 | public function unwrap() |
|
| 737 | { |
||
| 738 | 1 | $parents = array(); |
|
| 739 | 1 | foreach($this as $i => $node) { |
|
| 740 | 1 | $parents[] = $node->parentNode; |
|
| 741 | 1 | } |
|
| 742 | |||
| 743 | 1 | self::create($parents)->unwrapInner(); |
|
| 744 | 1 | return $this; |
|
| 745 | } |
||
| 746 | |||
| 747 | /** |
||
| 748 | * Remove the matched elements, but promote the children to take their place. |
||
| 749 | * |
||
| 750 | * @return \Wa72\HtmlPageDom\HtmlPageCrawler $this for chaining |
||
| 751 | * @api |
||
| 752 | */ |
||
| 753 | 2 | public function unwrapInner() |
|
| 754 | { |
||
| 755 | 2 | foreach($this as $i => $node) { |
|
| 756 | 2 | if (!$node->parentNode instanceof \DOMElement) { |
|
| 757 | 1 | throw new \InvalidArgumentException('DOMElement does not have a parent DOMElement node.'); |
|
| 758 | } |
||
| 759 | |||
| 760 | /** @var \DOMNode[] $children */ |
||
| 761 | 2 | $children = iterator_to_array($node->childNodes); |
|
| 762 | 2 | foreach ($children as $child) { |
|
| 763 | 1 | $node->parentNode->insertBefore($child, $node); |
|
| 764 | 2 | } |
|
| 765 | |||
| 766 | 2 | $node->parentNode->removeChild($node); |
|
| 767 | 2 | } |
|
| 768 | 2 | } |
|
| 769 | |||
| 770 | |||
| 771 | /** |
||
| 772 | * Wrap an HTML structure around each element in the set of matched elements |
||
| 773 | * |
||
| 774 | * The HTML structure must contain only one root node, e.g.: |
||
| 775 | * Works: <div><div></div></div> |
||
| 776 | * Does not work: <div></div><div></div> |
||
| 777 | * |
||
| 778 | * @param string|HtmlPageCrawler|\DOMNode $wrappingElement |
||
| 779 | * @return HtmlPageCrawler $this for chaining |
||
| 780 | * @api |
||
| 781 | */ |
||
| 782 | 1 | public function wrap($wrappingElement) |
|
| 783 | { |
||
| 784 | 1 | $content = self::create($wrappingElement); |
|
| 785 | 1 | $newnodes = array(); |
|
| 786 | 1 | foreach ($this as $i => $node) { |
|
| 787 | /** @var \DOMNode $node */ |
||
| 788 | 1 | $newnode = $content->getNode(0); |
|
| 789 | /** @var \DOMNode $newnode */ |
||
| 790 | // $newnode = static::importNewnode($newnode, $node, $i); |
||
| 791 | 1 | if ($newnode->ownerDocument !== $node->ownerDocument) { |
|
| 792 | 1 | $newnode = $node->ownerDocument->importNode($newnode, true); |
|
| 793 | 1 | } else { |
|
| 794 | if ($i > 0) { |
||
| 795 | $newnode = $newnode->cloneNode(true); |
||
| 796 | } |
||
| 797 | } |
||
| 798 | 1 | $oldnode = $node->parentNode->replaceChild($newnode, $node); |
|
| 799 | 1 | while ($newnode->hasChildNodes()) { |
|
| 800 | 1 | $elementFound = false; |
|
| 801 | 1 | foreach ($newnode->childNodes as $child) { |
|
| 802 | 1 | if ($child instanceof \DOMElement) { |
|
| 803 | 1 | $newnode = $child; |
|
| 804 | 1 | $elementFound = true; |
|
| 805 | 1 | break; |
|
| 806 | } |
||
| 807 | 1 | } |
|
| 808 | 1 | if (!$elementFound) { |
|
| 809 | 1 | break; |
|
| 810 | } |
||
| 811 | 1 | } |
|
| 812 | 1 | $newnode->appendChild($oldnode); |
|
| 813 | 1 | $newnodes[] = $newnode; |
|
| 814 | 1 | } |
|
| 815 | 1 | $content->clear(); |
|
| 816 | 1 | $content->add($newnodes); |
|
| 817 | 1 | return $this; |
|
| 818 | } |
||
| 819 | |||
| 820 | /** |
||
| 821 | * Wrap an HTML structure around all elements in the set of matched elements. |
||
| 822 | * |
||
| 823 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $content |
||
| 824 | * @throws \LogicException |
||
| 825 | * @return \Wa72\HtmlPageDom\HtmlPageCrawler $this for chaining |
||
| 826 | * @api |
||
| 827 | */ |
||
| 828 | 1 | public function wrapAll($content) |
|
| 829 | { |
||
| 830 | 1 | $content = self::create($content); |
|
| 831 | 1 | $parent = $this->getNode(0)->parentNode; |
|
| 832 | 1 | foreach ($this as $i => $node) { |
|
| 833 | /** @var \DOMNode $node */ |
||
| 834 | 1 | if ($node->parentNode !== $parent) { |
|
| 835 | throw new \LogicException('Nodes to be wrapped with wrapAll() must all have the same parent'); |
||
| 836 | } |
||
| 837 | 1 | } |
|
| 838 | |||
| 839 | 1 | $newnode = $content->getNode(0); |
|
| 840 | /** @var \DOMNode $newnode */ |
||
| 841 | 1 | $newnode = static::importNewnode($newnode, $parent); |
|
| 842 | |||
| 843 | 1 | $newnode = $parent->insertBefore($newnode,$this->getNode(0)); |
|
| 844 | 1 | $content->clear(); |
|
| 845 | 1 | $content->add($newnode); |
|
| 846 | |||
| 847 | 1 | while ($newnode->hasChildNodes()) { |
|
| 848 | 1 | $elementFound = false; |
|
| 849 | 1 | foreach ($newnode->childNodes as $child) { |
|
| 850 | 1 | if ($child instanceof \DOMElement) { |
|
| 851 | 1 | $newnode = $child; |
|
| 852 | 1 | $elementFound = true; |
|
| 853 | 1 | break; |
|
| 854 | } |
||
| 855 | 1 | } |
|
| 856 | 1 | if (!$elementFound) { |
|
| 857 | break; |
||
| 858 | } |
||
| 859 | 1 | } |
|
| 860 | 1 | foreach ($this as $i => $node) { |
|
| 861 | /** @var \DOMNode $node */ |
||
| 862 | 1 | $newnode->appendChild($node); |
|
| 863 | 1 | } |
|
| 864 | 1 | return $this; |
|
| 865 | } |
||
| 866 | |||
| 867 | /** |
||
| 868 | * Wrap an HTML structure around the content of each element in the set of matched elements. |
||
| 869 | * |
||
| 870 | * @param string|HtmlPageCrawler|\DOMNode|\DOMNodeList $content |
||
| 871 | * @return \Wa72\HtmlPageDom\HtmlPageCrawler $this for chaining |
||
| 872 | * @api |
||
| 873 | */ |
||
| 874 | 1 | public function wrapInner($content) |
|
| 875 | { |
||
| 876 | 1 | foreach ($this as $i => $node) { |
|
| 877 | /** @var \DOMNode $node */ |
||
| 878 | 1 | self::create($node->childNodes)->wrapAll($content); |
|
| 879 | 1 | } |
|
| 880 | 1 | return $this; |
|
| 881 | } |
||
| 882 | |||
| 883 | /** |
||
| 884 | * Get the HTML code fragment of all elements and their contents. |
||
| 885 | * |
||
| 886 | * If the first node contains a complete HTML document return only |
||
| 887 | * the full code of this document. |
||
| 888 | * |
||
| 889 | * @return string HTML code (fragment) |
||
| 890 | * @api |
||
| 891 | */ |
||
| 892 | 8 | public function saveHTML() |
|
| 893 | { |
||
| 894 | 8 | if ($this->isHtmlDocument()) { |
|
| 895 | 1 | return $this->getDOMDocument()->saveHTML(); |
|
| 896 | } else { |
||
| 897 | 8 | $doc = new \DOMDocument('1.0', 'UTF-8'); |
|
| 898 | 8 | $root = $doc->appendChild($doc->createElement('_root')); |
|
| 899 | 8 | foreach ($this as $node) { |
|
| 900 | 8 | $root->appendChild($doc->importNode($node, true)); |
|
| 901 | 8 | } |
|
| 902 | 8 | $html = trim($doc->saveHTML()); |
|
| 903 | 8 | return preg_replace('@^<'.self::FRAGMENT_ROOT_TAGNAME.'[^>]*>|</'.self::FRAGMENT_ROOT_TAGNAME.'>$@', '', $html); |
|
| 904 | } |
||
| 905 | } |
||
| 906 | |||
| 907 | 4 | public function __toString() |
|
| 911 | |||
| 912 | /** |
||
| 913 | * checks whether the first node contains a complete html document |
||
| 914 | * (as opposed to a document fragment) |
||
| 915 | * |
||
| 916 | * @return boolean |
||
| 917 | */ |
||
| 918 | 8 | public function isHtmlDocument() |
|
| 931 | |||
| 932 | /** |
||
| 933 | * get ownerDocument of the first element |
||
| 934 | * |
||
| 935 | * @return \DOMDocument|null |
||
| 936 | */ |
||
| 937 | 1 | public function getDOMDocument() |
|
| 938 | { |
||
| 939 | 1 | $node = $this->getNode(0); |
|
| 940 | 1 | $r = null; |
|
| 941 | if ($node instanceof \DOMElement |
||
| 942 | 1 | && $node->ownerDocument instanceof \DOMDocument |
|
| 943 | 1 | ) { |
|
| 944 | 1 | $r = $node->ownerDocument; |
|
| 945 | 1 | } |
|
| 946 | 1 | return $r; |
|
| 947 | } |
||
| 948 | |||
| 949 | /** |
||
| 950 | * Filters the list of nodes with a CSS selector. |
||
| 951 | * |
||
| 952 | * @param string $selector |
||
| 953 | * @return HtmlPageCrawler |
||
| 954 | */ |
||
| 955 | 8 | public function filter($selector) |
|
| 959 | |||
| 960 | /** |
||
| 961 | * Filters the list of nodes with an XPath expression. |
||
| 962 | * |
||
| 963 | * @param string $xpath An XPath expression |
||
| 964 | * |
||
| 965 | * @return HtmlPageCrawler A new instance of Crawler with the filtered list of nodes |
||
| 966 | * |
||
| 967 | * @api |
||
| 968 | */ |
||
| 969 | 2 | public function filterXPath($xpath) |
|
| 973 | |||
| 974 | /** |
||
| 975 | * Adds HTML/XML content to the HtmlPageCrawler object (but not to the DOM of an already attached node). |
||
| 976 | * |
||
| 977 | * Function overriden from Crawler because HTML fragments are always added as complete documents there |
||
| 978 | * |
||
| 979 | * |
||
| 980 | * @param string $content A string to parse as HTML/XML |
||
| 981 | * @param null|string $type The content type of the string |
||
| 982 | * |
||
| 983 | * @return null|void |
||
| 984 | */ |
||
| 985 | 17 | public function addContent($content, $type = null) |
|
| 986 | { |
||
| 987 | 17 | if (empty($type)) { |
|
| 988 | 17 | $type = 'text/html;charset=UTF-8'; |
|
| 989 | 17 | } |
|
| 990 | 17 | if (substr($type, 0, 9) == 'text/html' && !preg_match('/<html\b[^>]*>/i', $content)) { |
|
| 991 | // string contains no <html> Tag => no complete document but an HTML fragment! |
||
| 992 | 16 | $this->addHtmlFragment($content); |
|
| 993 | 16 | } else { |
|
| 994 | 2 | parent::addContent($content, $type); |
|
| 995 | } |
||
| 996 | 17 | } |
|
| 997 | |||
| 998 | 15 | public function addHtmlFragment($content, $charset = 'UTF-8') |
|
| 999 | { |
||
| 1000 | 15 | $d = new \DOMDocument('1.0', $charset); |
|
| 1001 | 15 | $root = $d->appendChild($d->createElement(self::FRAGMENT_ROOT_TAGNAME)); |
|
| 1002 | 15 | $bodynode = Helpers::getBodyNodeFromHtmlFragment($content, $charset); |
|
| 1003 | 15 | foreach ($bodynode->childNodes as $child) { |
|
| 1004 | 15 | $inode = $root->appendChild($d->importNode($child, true)); |
|
| 1005 | 15 | if ($inode) { |
|
| 1006 | 15 | $this->addNode($inode); |
|
| 1007 | 15 | } |
|
| 1008 | 15 | } |
|
| 1009 | 15 | } |
|
| 1010 | |||
| 1011 | /** |
||
| 1012 | * returns the first node |
||
| 1013 | * deprecated, use getNode(0) instead |
||
| 1014 | * |
||
| 1015 | * @return \DOMNode|null |
||
| 1016 | * @deprecated |
||
| 1017 | * @see Crawler::getNode |
||
| 1018 | */ |
||
| 1019 | public function getFirstNode() |
||
| 1020 | { |
||
| 1021 | return $this->getNode(0); |
||
| 1022 | } |
||
| 1023 | |||
| 1024 | /** |
||
| 1025 | * @param int $position |
||
| 1026 | * |
||
| 1027 | * overridden from Crawler because it is not public in Symfony 2.3 |
||
| 1028 | * TODO: throw away as soon as we don't need to support SF 2.3 any more |
||
| 1029 | * |
||
| 1030 | * @return \DOMElement|null |
||
| 1031 | */ |
||
| 1032 | 14 | public function getNode($position) |
|
| 1036 | |||
| 1037 | /** |
||
| 1038 | * Returns the node name of the first node of the list. |
||
| 1039 | * |
||
| 1040 | * in Crawler (parent), this function will be available starting with 2.6.0, |
||
| 1041 | * therefore this method be removed from here as soon as we don't need to keep compatibility |
||
| 1042 | * with Symfony < 2.6 |
||
| 1043 | * |
||
| 1044 | * TODO: throw away as soon as we don't need to support SF 2.3 any more |
||
| 1045 | * |
||
| 1046 | * @return string The node name |
||
| 1047 | * |
||
| 1048 | * @throws \InvalidArgumentException When current node is empty |
||
| 1049 | */ |
||
| 1050 | 1 | public function nodeName() |
|
| 1057 | |||
| 1058 | /** |
||
| 1059 | * Adds a node to the current list of nodes. |
||
| 1060 | * |
||
| 1061 | * This method uses the appropriate specialized add*() method based |
||
| 1062 | * on the type of the argument. |
||
| 1063 | * |
||
| 1064 | * Overwritten from parent to allow Crawler to be added |
||
| 1065 | * |
||
| 1066 | * @param null|\DOMNodeList|array|\DOMNode|Crawler $node A node |
||
| 1067 | * |
||
| 1068 | * @api |
||
| 1069 | */ |
||
| 1070 | 29 | public function add($node) |
|
| 1071 | { |
||
| 1072 | 29 | if ($node instanceof Crawler) { |
|
| 1073 | 1 | foreach ($node as $childnode) { |
|
| 1074 | 1 | $this->addNode($childnode); |
|
| 1075 | 1 | } |
|
| 1076 | 1 | } else { |
|
| 1077 | 29 | parent::add($node); |
|
| 1078 | } |
||
| 1079 | 29 | } |
|
| 1080 | |||
| 1081 | /** |
||
| 1082 | * @param \DOMNode $newnode |
||
| 1083 | * @param \DOMNode $referencenode |
||
| 1084 | * @param int $clone |
||
| 1085 | * @return \DOMNode |
||
| 1086 | */ |
||
| 1087 | 6 | protected static function importNewnode(\DOMNode $newnode, \DOMNode $referencenode, $clone = 0) { |
|
| 1088 | 6 | if ($newnode->ownerDocument !== $referencenode->ownerDocument) { |
|
| 1089 | 5 | $newnode = $referencenode->ownerDocument->importNode($newnode, true); |
|
| 1090 | 5 | } else { |
|
| 1091 | 2 | if ($clone > 0) { |
|
| 1092 | $newnode = $newnode->cloneNode(true); |
||
| 1093 | } |
||
| 1094 | } |
||
| 1095 | 6 | return $newnode; |
|
| 1096 | } |
||
| 1097 | |||
| 1098 | /** |
||
| 1099 | * Checks whether the first node in the set is disconnected (has no parent node) |
||
| 1100 | * |
||
| 1101 | * @return bool |
||
| 1102 | */ |
||
| 1103 | 1 | public function isDisconnected() |
|
| 1108 | |||
| 1109 | 1 | public function __get($name) |
|
| 1118 | } |
||
| 1119 |
Loading history...
The number of this metric differs depending on the chosen design (inheritance vs. composition). For inheritance, the number should generally be a bit lower.
A high number indicates a reusable class. It might also make the class harder to change without breaking other classes though.