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<?php |
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/** |
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* Created by PhpStorm. |
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* User: tom |
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* Date: 18/06/2016 |
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* Time: 16:23 |
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*/ |
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namespace twhiston\twLib\Discovery; |
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use RecursiveDirectoryIterator; |
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use RecursiveIteratorIterator; |
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use RegexIterator; |
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class FindByNamespace |
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{ |
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protected $path; |
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protected $data; |
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/** |
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* FindByNamespace constructor. |
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* @param $path |
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*/ |
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public function __construct($path = null) |
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{ |
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$this->path = ($path === null) ? __DIR__ : $path; |
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$this->data = []; |
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} |
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public function find($needle = null, $rebuild = false) |
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{ |
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$this->buildData($rebuild); |
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return $this->filterData($needle); |
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} |
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protected function buildData($rebuild) |
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{ |
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if ($rebuild === true || empty($this->data)) { |
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$allFiles = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($this->path)); |
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$phpFiles = new RegexIterator($allFiles, '/\.php$/'); |
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foreach ($phpFiles as $phpFile) { |
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//tokenize file |
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$content = file_get_contents($phpFile->getRealPath()); |
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$this->processTokens(token_get_all($content)); |
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} |
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} |
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} |
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protected function processTokens(array $tokens) |
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{ |
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$namespace = ''; |
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for ($index = 0; isset($tokens[$index]); $index++) { |
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if (!isset($tokens[$index][0])) { |
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continue; |
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} |
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if (T_NAMESPACE === $tokens[$index][0]) { |
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$index += 2; // Skip namespace keyword and whitespace |
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while (isset($tokens[$index]) && is_array($tokens[$index])) { |
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$namespace .= $tokens[$index++][1]; |
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} |
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} |
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if (T_CLASS === $tokens[$index][0]) { |
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$index += 2; // Skip class keyword and whitespace |
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if (is_array($tokens[$index]) && array_key_exists(1, $tokens[$index])) { |
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$this->data[] = $namespace . '\\' . $tokens[$index][1]; |
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} |
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} |
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} |
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} |
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protected function filterData($needle) |
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{ |
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return array_values(array_filter($this->data, function ($var) use ($needle) { |
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if (strpos($var, $needle) !== false) { |
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return true; |
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} |
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return false; |
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})); |
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} |
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} |
