public static match ( string $code, string $parameters, array $options = [] ) : array | ||
$code | string | Source code to be analyzed. |
$parameters | string | An array containing token patterns to be matched. |
$options | array | The list of options to be used when matching `$code`: - 'ignore': An array of language tokens to ignore. - 'return': If set to 'content' returns an array of matching tokens. |
return | array | Array of matching tokens. |
public static function match($code, $parameters, array $options = array())
{
$defaults = array('ignore' => array('T_WHITESPACE'), 'return' => true);
$options += $defaults;
$parameters = static::_prepareMatchParams($parameters);
$tokens = is_array($code) ? $code : static::tokenize($code, $options);
$results = array();
foreach ($tokens as $i => $token) {
if (!array_key_exists($token['name'], $parameters)) {
if (!in_array('*', $parameters)) {
continue;
}
}
$param = $parameters[$token['name']];
if (isset($param['before']) && $i > 0) {
if (!in_array($tokens[$i - 1]['name'], (array) $param['before'])) {
continue;
}
}
if (isset($param['after']) && $i + 1 < count($tokens)) {
if (!in_array($tokens[$i + 1]['name'], (array) $param['after'])) {
continue;
}
}
$results[] = isset($token[$options['return']]) ? $token[$options['return']] : $token;
}
return $results;
}
public function testTokenPatternMatching() { $code = '$defaults = array("id" => "foo", "name" => "bar", \'count\' => 5);'; $result = Parser::match($code, array('"string"'), array('return' => 'content')); $expected = array('"id"', '"foo"', '"name"', '"bar"', '\'count\''); $this->assertEqual($expected, $result); $result = Parser::match($code, array('"string"' => array('before' => '=>'), '1' => array('before' => '=>')), array('return' => 'content')); $expected = array('"foo"', '"bar"', '5'); $this->assertEqual($expected, $result); $result = Parser::match($code, array('"string"' => array('after' => '=>')), array('return' => 'content')); $expected = array('"id"', '"name"', '\'count\''); $this->assertEqual($expected, $result); }