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