File indexing completed on 2025-03-02 05:29:14

 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Config
  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Config_Writer
  */
 // require_once 'Zend/Config/Writer/FileAbstract.php';
 
 /**
  * @see Zend_Config_Yaml
  */
 // require_once 'Zend/Config/Yaml.php';
 
 /**
  * @category   Zend
  * @package    Zend_Config
  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Config_Writer_Yaml extends Zend_Config_Writer_FileAbstract
 {
     /**
      * What to call when we need to decode some YAML?
      *
      * @var callable
      */
     protected $_yamlEncoder = array('Zend_Config_Writer_Yaml', 'encode');
 
     /**
      * Get callback for decoding YAML
      *
      * @return callable
      */
     public function getYamlEncoder()
     {
         return $this->_yamlEncoder;
     }
 
     /**
      * Set callback for decoding YAML
      *
      * @param  callable $yamlEncoder the decoder to set
      * @return Zend_Config_Yaml
      */
     public function setYamlEncoder($yamlEncoder)
     {
         if (!is_callable($yamlEncoder)) {
             // require_once 'Zend/Config/Exception.php';
             throw new Zend_Config_Exception('Invalid parameter to setYamlEncoder - must be callable');
         }
 
         $this->_yamlEncoder = $yamlEncoder;
         return $this;
     }
 
     /**
      * Render a Zend_Config into a YAML config string.
      *
      * @since 1.10
      * @return string
      */
     public function render()
     {
         $data        = $this->_config->toArray();
         $sectionName = $this->_config->getSectionName();
         $extends     = $this->_config->getExtends();
 
         if (is_string($sectionName)) {
             $data = array($sectionName => $data);
         }
 
         foreach ($extends as $section => $parentSection) {
             $data[$section][Zend_Config_Yaml::EXTENDS_NAME] = $parentSection;
         }
 
         // Ensure that each "extends" section actually exists
         foreach ($data as $section => $sectionData) {
             if (is_array($sectionData) && isset($sectionData[Zend_Config_Yaml::EXTENDS_NAME])) {
                 $sectionExtends = $sectionData[Zend_Config_Yaml::EXTENDS_NAME];
                 if (!isset($data[$sectionExtends])) {
                     // Remove "extends" declaration if section does not exist
                     unset($data[$section][Zend_Config_Yaml::EXTENDS_NAME]);
                 }
             }
         }
 
         return call_user_func($this->getYamlEncoder(), $data);
     }
 
     /**
      * Very dumb YAML encoder
      *
      * Until we have Zend_Yaml...
      *
      * @param array $data YAML data
      * @return string
      */
     public static function encode($data)
     {
         return self::_encodeYaml(0, $data);
     }
 
     /**
      * Service function for encoding YAML
      *
      * @param int $indent Current indent level
      * @param array $data Data to encode
      * @return string
      */
     protected static function _encodeYaml($indent, $data)
     {
         reset($data);
         $result = "";
         $numeric = is_numeric(key($data));
 
         foreach($data as $key => $value) {
             if(is_array($value)) {
                 $encoded = "\n".self::_encodeYaml($indent+1, $value);
             } else {
                 $encoded = (string)$value."\n";
             }
             $result .= str_repeat("  ", $indent).($numeric?"- ":"$key: ").$encoded;
         }
         return $result;
     }
 }