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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <[email protected]>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\Yaml;
- use Symfony\Component\Yaml\Exception\ParseException;
- /**
- * Yaml offers convenience methods to load and dump YAML.
- *
- * @author Fabien Potencier <[email protected]>
- *
- * @api
- */
- class Yaml
- {
- public static $enablePhpParsing = false;
- public static function enablePhpParsing()
- {
- self::$enablePhpParsing = true;
- }
- /**
- * Parses YAML into a PHP array.
- *
- * The parse method, when supplied with a YAML stream (string or file),
- * will do its best to convert YAML in a file into a PHP array.
- *
- * Usage:
- * <code>
- * $array = Yaml::parse('config.yml');
- * print_r($array);
- * </code>
- *
- * @param string $input Path to a YAML file or a string containing YAML
- *
- * @return array The YAML converted to a PHP array
- *
- * @throws ParseException If the YAML is not valid
- *
- * @api
- */
- public static function parse($input)
- {
- // if input is a file, process it
- $file = '';
- if (strpos($input, "\n") === false && is_file($input)) {
- if (false === is_readable($input)) {
- throw new ParseException(sprintf('Unable to parse "%s" as the file is not readable.', $input));
- }
- $file = $input;
- if (self::$enablePhpParsing) {
- ob_start();
- $retval = include($file);
- $content = ob_get_clean();
- // if an array is returned by the config file assume it's in plain php form else in YAML
- $input = is_array($retval) ? $retval : $content;
- // if an array is returned by the config file assume it's in plain php form else in YAML
- if (is_array($input)) {
- return $input;
- }
- } else {
- $input = file_get_contents($file);
- }
- }
- $yaml = new Parser();
- try {
- return $yaml->parse($input);
- } catch (ParseException $e) {
- if ($file) {
- $e->setParsedFile($file);
- }
- throw $e;
- }
- }
- /**
- * Dumps a PHP array to a YAML string.
- *
- * The dump method, when supplied with an array, will do its best
- * to convert the array into friendly YAML.
- *
- * @param array $array PHP array
- * @param integer $inline The level where you switch to inline YAML
- * @param integer $indent The amount of spaces to use for indentation of nested nodes.
- *
- * @return string A YAML string representing the original PHP array
- *
- * @api
- */
- public static function dump($array, $inline = 2, $indent = 4)
- {
- $yaml = new Dumper();
- $yaml->setIndentation($indent);
- return $yaml->dump($array, $inline);
- }
- }
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