Finds a pattern in a block of code.
| public static find ( string $code, string $pattern, array $options = [] ) : array | ||
| $code | string | |
| $pattern | string | |
| $options | array | The list of options to be used when parsing / matching `$code`: - 'ignore': An array of token names to ignore while parsing, defaults to `array('T_WHITESPACE')` - 'lineBreaks': If true, all tokens in a single pattern match must appear on the same line of code, defaults to false - 'startOfLine': If true, the pattern must match starting with the beginning of the line of code to be matched, defaults to false |
| Результат | array | |
/**
* Gets the static and dynamic dependencies for a class or group of classes.
*
* @param mixed $classes Either a string specifying a class, or a numerically indexed array
* of classes
* @param array $options
* @return array An array of the static and dynamic class dependencies
* @todo Document valid options
*/
public static function dependencies($classes, array $options = array())
{
$defaults = array('type' => null);
$options += $defaults;
$static = $dynamic = array();
$trim = function ($c) {
return trim(trim($c, '\\'));
};
$join = function ($i) {
return join('', $i);
};
foreach ((array) $classes as $class) {
$data = explode("\n", file_get_contents(Libraries::path($class)));
$data = "<?php \n" . join("\n", preg_grep('/^\\s*use /', $data)) . "\n ?>";
$classes = array_map($join, Parser::find($data, 'use *;', array('return' => 'content', 'lineBreaks' => true, 'startOfLine' => true, 'capture' => array('T_STRING', 'T_NS_SEPARATOR'))));
if ($classes) {
$static = array_unique(array_merge($static, array_map($trim, $classes)));
}
$classes = static::info($class . '::$_classes', array('value'));
if (isset($classes['value'])) {
$dynamic = array_merge($dynamic, array_map($trim, array_values($classes['value'])));
}
}
if (empty($options['type'])) {
return array_unique(array_merge($static, $dynamic));
}
$type = $options['type'];
return isset(${$type}) ? ${$type} : null;
}
public function testFindingTokenPatterns()
{
$code = file_get_contents(Libraries::path('lithium\\analysis\\Parser'));
$expected = array('tokenize', 'matchToken', '_prepareMatchParams', 'token');
$results = array_values(array_unique(array_map(function ($i) {
return $i[0];
}, Parser::find($code, 'static::_(*)', array('capture' => array('T_STRING'), 'return' => 'content')))));
$this->assertEqual($expected, $results);
$expected = array('lithium\\util\\Set', 'lithium\\util\\Collection');
$results = array_map(function ($i) {
return join('', $i);
}, $results = Parser::find($code, 'use *;', array('return' => 'content', 'lineBreaks' => true, 'startOfLine' => true, 'capture' => array('T_STRING', 'T_NS_SEPARATOR'))));
$this->assertEqual($expected, $results);
$code = 'function test($options) { return function($foo) use ($options) {';
$code .= ' ClassName::method($options); ' . "\n" . ' $foo->method($options); }; }';
list($results) = Parser::find($code, '_::_(', array('capture' => array('T_STRING'), 'return' => 'content'));
$expected = array('ClassName', 'method');
$this->assertEqual($expected, $results);
}
