public static function crawl($source)
{
$crawler = new DomCrawler($source);
Log::log("Generating tree..");
$node_tree = Parser::parse($crawler, 0, "", false);
Log::log("Calculating components..");
$augmented_tree = Parser::augment($node_tree[0]);
Log::log("Calculating path..");
$marked_tree = Parser::identify_parent_path($augmented_tree);
file_put_contents("a-tree", print_r($marked_tree, true));
Log::log("Scanning the tree for a pattern..");
Scanner::scan($marked_tree);
// Test di funzionamento delle funzioni get_node_from_path e get_parent_from_path
//Log::log( Tree::get_node_from_path( $marked_tree, "0,0" )[ 'tag' ] );
//Log::log( Tree::get_parent_from_path( $marked_tree, "0,0" )[ 'tag' ] );
}
public static function identify_parent_path($node, $path = "")
{
$node['path'] = $path;
if (@(!$node['tag'])) {
return $node;
} else {
if (@(!!$node['children'])) {
$new_children = [];
$count = 0;
foreach ($node['children'] as $child) {
$new_path = $path . ($path == "" ? "" : ",") . $count;
$new_children[] = Parser::identify_parent_path($child, $new_path);
$count++;
}
unset($node['children']);
$node['children'] = $new_children;
return $node;
} else {
return $node;
}
}
}