lithium\analysis\Parser::match()

public static method

Token pattern matching.

Parameters

  • string $code

    Source code to be analyzed.

  • string $parameters

    An array containing token patterns to be matched.

  • array $options

    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.

Returns

array

Array of matching tokens.

Source

	public static function match($code, $parameters, array $options = []) {
		$defaults = ['ignore' => ['T_WHITESPACE'], 'return' => true];
		$options += $defaults;
		$parameters = static::_prepareMatchParams($parameters);

		$tokens = is_array($code) ? $code : static::tokenize($code, $options);
		$results = [];

		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;
	}