1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_Config

    17  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)

    18  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    19  * @version    $Id: Json.php 23294 2010-11-05 00:27:34Z ramon $

    20  */

    21 

    22 /**

    23  * @see Zend_Config_Writer

    24  */

    25 require_once 'Zend/Config/Writer/FileAbstract.php';

    26 

    27 /**

    28  * @see Zend_Config_Json

    29  */

    30 require_once 'Zend/Config/Json.php';

    31 

    32 /**

    33  * @category   Zend

    34  * @package    Zend_Config

    35  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)

    36  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    37  */

    38 class Zend_Config_Writer_Json extends Zend_Config_Writer_FileAbstract

    39 {

    40     /**

    41      * If we need to pretty-print JSON data

    42      *

    43      * @var boolean

    44      */

    45     protected $_prettyPrint = false;

    46 

    47     /**

    48      * Get prettyPrint flag

    49      *

    50      * @return the prettyPrint flag

    51      */

    52     public function prettyPrint()

    53     {

    54         return $this->_prettyPrint;

    55     }

    56 

    57     /**

    58      * Set prettyPrint flag

    59      *

    60      * @param  bool $prettyPrint PrettyPrint flag

    61      * @return Zend_Config_Writer_Json

    62      */

    63     public function setPrettyPrint($flag)

    64     {

    65         $this->_prettyPrint = (bool) $flag;

    66         return $this;

    67     }

    68 

    69     /**

    70      * Render a Zend_Config into a JSON config string.

    71      *

    72      * @since 1.10

    73      * @return string

    74      */

    75     public function render()

    76     {

    77         $data        = $this->_config->toArray();

    78         $sectionName = $this->_config->getSectionName();

    79         $extends     = $this->_config->getExtends();

    80 

    81         if (is_string($sectionName)) {

    82             $data = array($sectionName => $data);

    83         }

    84 

    85         foreach ($extends as $section => $parentSection) {

    86             $data[$section][Zend_Config_Json::EXTENDS_NAME] = $parentSection;

    87         }

    88 

    89         // Ensure that each "extends" section actually exists

    90         foreach ($data as $section => $sectionData) {

    91             if (is_array($sectionData) && isset($sectionData[Zend_Config_Json::EXTENDS_NAME])) {

    92                 $sectionExtends = $sectionData[Zend_Config_Json::EXTENDS_NAME];

    93                 if (!isset($data[$sectionExtends])) {

    94                     // Remove "extends" declaration if section does not exist

    95                     unset($data[$section][Zend_Config_Json::EXTENDS_NAME]);

    96                 }

    97             }

    98         }

    99 

   100         $out = Zend_Json::encode($data);

   101         if ($this->prettyPrint()) {

   102              $out = Zend_Json::prettyPrint($out);

   103         }

   104         return $out;

   105     }

   106 }