initial commit

lib/symfony/util/sfYaml.class.php

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+<?php
+
+/*
+ * This file is part of the symfony package.
+ * (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * sfYaml class.
+ *
+ * @package    symfony
+ * @subpackage util
+ * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
+ * @version    SVN: $Id: sfYaml.class.php 3378 2007-02-01 06:47:15Z fabien $
+ */
+class sfYaml
+{
+  /**
+   * Load YAML into a PHP array statically
+   *
+   * The load 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>
+   *   $array = sfYAML::Load('config.yml');
+   *   print_r($array);
+   *  </code>
+   *
+   * @return array
+   * @param string $input Path of YAML file or string containing YAML
+   */
+  public static function load($input)
+  {
+    $input = self::getIncludeContents($input);
+
+    // 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;
+    }
+
+    // syck is prefered over spyc
+    if (function_exists('syck_load'))
+    {
+      $retval = syck_load($input);
+
+      return is_array($retval) ? $retval : array();
+    }
+    else
+    {
+      require_once(dirname(__FILE__).'/Spyc.class.php');
+
+      $spyc = new Spyc();
+
+      return $spyc->load($input);
+    }
+  }
+
+  /**
+   * Dump YAML from PHP array statically
+   *
+   * The dump method, when supplied with an array, will do its best
+   * to convert the array into friendly YAML.
+   *
+   * @return string
+   * @param array $array PHP array
+   */
+  public static function dump($array)
+  {
+    require_once(dirname(__FILE__).'/Spyc.class.php');
+
+    $spyc = new Spyc();
+
+    return $spyc->dump($array);
+  }
+
+  protected static function getIncludeContents($input)
+  {
+    // if input is a file, process it
+    if (strpos($input, "\n") === false && is_file($input))
+    {
+      ob_start();
+      $retval = include($input);
+      $contents = ob_get_clean();
+
+      // if an array is returned by the config file assume it's in plain php form else in yaml
+      return is_array($retval) ? $retval : $contents;
+    }
+
+    // else return original input
+    return $input;
+  }
+}
+
+/**
+ * Wraps echo to automatically provide a newline
+ */
+function echoln($string)
+{
+  echo $string."\n";
+}