| private $tree;␊ |
| ␊ |
| // Array of references to the potential parents␊ |
| private $dangling = array();␊ |
| private $dangling = [];␊ |
| ␊ |
| // Callback for augmenting a single DOMElement␊ |
| private $augment_callback;␊ |
|
| */␊ |
| private function &newNode($id, $text, $level)␊ |
| {␊ |
| $node = array(␊ |
| $node = [␊ |
| 'id' => $id,␊ |
| 'title' => $text␊ |
| );␊ |
| ];␊ |
| ␊ |
| // Clear the trailing dangling parents after level, if any␊ |
| end($this->dangling);␊ |
|
| $parent = & $this->getParent($level);␊ |
| $node = & $this->newNode($id, $text, $level);␊ |
| if (!isset($parent['children'])) {␊ |
| $parent['children'] = array();␊ |
| $parent['children'] = [];␊ |
| }␊ |
| $parent['children'][] = & $node;␊ |
| ␊ |
|
| }␊ |
| ␊ |
| $body = $doc->getElementsByTagName('body')->item(0);␊ |
| $this->html = str_replace(array("<body>\n", '<body>', '</body>'), '', $doc->saveHTML($body));␊ |
| $this->html = str_replace(["<body>\n", '<body>', '</body>'], '', $doc->saveHTML($body));␊ |
| }␊ |
| ␊ |
| /**␊ |
|
| public function __construct($html)␊ |
| {␊ |
| $this->raw_html = $html;␊ |
| $this->setAugmentCallback(array(static::class, 'setId'));␊ |
| $this->setAugmentCallback([static::class, 'setId']);␊ |
| }␊ |
| ␊ |
| /**␊ |
|
| *␊ |
| * The TOC is represented in the form of:␊ |
| *␊ |
| * <code>␊ |
| * array(␊ |
| * array('id' => 'TOC-1',␊ |
| * 'title' => 'Item 1',␊ |
| * 'children' => array(␊ |
| * array('id' => 'TOC-2',␊ |
| * [␊ |
| * [␊ |
| * 'id' => 'TOC-1',␊ |
| * 'title' => 'Item 1',␊ |
| * 'children' => [␊ |
| * [␊ |
| * 'id' => 'TOC-2',␊ |
| * 'title' => 'Subitem 1.1'␊ |
| * ),␊ |
| * array('id' => 'TOC-3',␊ |
| * ], [␊ |
| * 'id' => 'TOC-3',␊ |
| * 'title' => 'Subitem 1.2',␊ |
| * 'children' => array(␊ |
| * array('id' => 'TOC-4',␊ |
| * 'title => 'Subsubitem 1.2.1'␊ |
| * ))))),␊ |
| * array('id' => 'TOC-5,␊ |
| * 'title' => 'Item 2',␊ |
| * 'children' => array(␊ |
| * array('id' => 'TOC-6',␊ |
| * 'children' => [␊ |
| * [␊ |
| * 'id' => 'TOC-4',␊ |
| * 'title => 'Subsubitem 1.2.1'␊ |
| * ]␊ |
| * ]␊ |
| * ]␊ |
| * ],␊ |
| * ], [␊ |
| * 'id' => 'TOC-5,␊ |
| * 'title' => 'Item 2',␊ |
| * 'children' => [␊ |
| * [␊ |
| * 'id' => 'TOC-6',␊ |
| * 'title' => 'Subitem 2.1'␊ |
| * ),␊ |
| * array('id' => 'TOC-7',␊ |
| * ], [␊ |
| * 'id' => 'TOC-7',␊ |
| * 'title' => 'Subitem 2.2'␊ |
| * ))));␊ |
| * </code>␊ |
| * ]␊ |
| * ]␊ |
| * ]␊ |
| * ]␊ |
| *␊ |
| * The TOC is cached, so subsequent calls will return the same tree.␊ |
| *␊ |
|
| */␊ |
| public function getTOC()␊ |
| {␊ |
| return isset($this->tree['children']) ? $this->tree['children'] : array();␊ |
| return isset($this->tree['children']) ? $this->tree['children'] : [];␊ |
| }␊ |
| ␊ |
| /**␊ |
