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| <?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Ini.php 24045 2011-05-23 12:45:11Z rob $
*/
/**
* @see Zend_Config
*/
require_once 'Zend/Config.php';
/**
* @category Zend
* @package Zend_Config
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Config_Ini extends Zend_Config
{
/**
* String that separates nesting levels of configuration data identifiers
*
* @var string
*/
protected $_nestSeparator = '.';
/**
* String that separates the parent section name
*
* @var string
*/
protected $_sectionSeparator = ':';
/**
* Whether to skip extends or not
*
* @var boolean
*/
protected $_skipExtends = false;
/**
* Loads the section $section from the config file $filename for
* access facilitated by nested object properties.
*
* If the section name contains a ":" then the section name to the right
* is loaded and included into the properties. Note that the keys in
* this $section will override any keys of the same
* name in the sections that have been included via ":".
*
* If the $section is null, then all sections in the ini file are loaded.
*
* If any key includes a ".", then this will act as a separator to
* create a sub-property.
*
* example ini file:
* [all]
* db.connection = database
* hostname = live
*
* [staging : all]
* hostname = staging
*
* after calling $data = new Zend_Config_Ini($file, 'staging'); then
* $data->hostname === "staging"
* $data->db->connection === "database"
*
* The $options parameter may be provided as either a boolean or an array.
* If provided as a boolean, this sets the $allowModifications option of
* Zend_Config. If provided as an array, there are three configuration
* directives that may be set. For example:
*
* $options = array(
* 'allowModifications' => false,
* 'nestSeparator' => ':',
* 'skipExtends' => false,
* );
*
* @param string $filename
* @param mixed $section
* @param boolean|array $options
* @throws Zend_Config_Exception
* @return void
*/
public function __construct($filename, $section = null, $options = false)
{
if (empty($filename)) {
/**
* @see Zend_Config_Exception
*/
require_once 'Zend/Config/Exception.php';
throw new Zend_Config_Exception('Filename is not set');
}
$allowModifications = false;
if (is_bool($options)) {
$allowModifications = $options;
} elseif (is_array($options)) {
if (isset($options['allowModifications'])) {
$allowModifications = (bool) $options['allowModifications'];
}
if (isset($options['nestSeparator'])) {
$this->_nestSeparator = (string) $options['nestSeparator'];
}
if (isset($options['skipExtends'])) {
$this->_skipExtends = (bool) $options['skipExtends'];
}
}
$iniArray = $this->_loadIniFile($filename);
if (null === $section) {
// Load entire file
$dataArray = array();
foreach ($iniArray as $sectionName => $sectionData) {
if(!is_array($sectionData)) {
$dataArray = $this->_arrayMergeRecursive($dataArray, $this->_processKey(array(), $sectionName, $sectionData));
} else {
$dataArray[$sectionName] = $this->_processSection($iniArray, $sectionName);
}
}
parent::__construct($dataArray, $allowModifications);
} else {
// Load one or more sections
if (!is_array($section)) {
$section = array($section);
}
$dataArray = array();
foreach ($section as $sectionName) {
if (!isset($iniArray[$sectionName])) {
/**
* @see Zend_Config_Exception
*/
require_once 'Zend/Config/Exception.php';
throw new Zend_Config_Exception("Section '$sectionName' cannot be found in $filename");
}
$dataArray = $this->_arrayMergeRecursive($this->_processSection($iniArray, $sectionName), $dataArray);
}
parent::__construct($dataArray, $allowModifications);
}
$this->_loadedSection = $section;
}
/**
* Load the INI file from disk using parse_ini_file(). Use a private error
* handler to convert any loading errors into a Zend_Config_Exception
*
* @param string $filename
* @throws Zend_Config_Exception
* @return array
*/
protected function _parseIniFile($filename)
{
set_error_handler(array($this, '_loadFileErrorHandler'));
$iniArray = parse_ini_file($filename, true); // Warnings and errors are suppressed
restore_error_handler();
// Check if there was a error while loading file
if ($this->_loadFileErrorStr !== null) {
/**
* @see Zend_Config_Exception
*/
require_once 'Zend/Config/Exception.php';
throw new Zend_Config_Exception($this->_loadFileErrorStr);
}
return $iniArray;
}
/**
* Load the ini file and preprocess the section separator (':' in the
* section name (that is used for section extension) so that the resultant
* array has the correct section names and the extension information is
* stored in a sub-key called ';extends'. We use ';extends' as this can
* never be a valid key name in an INI file that has been loaded using
* parse_ini_file().
*
* @param string $filename
* @throws Zend_Config_Exception
* @return array
*/
protected function _loadIniFile($filename)
{
$loaded = $this->_parseIniFile($filename);
$iniArray = array();
foreach ($loaded as $key => $data)
{
$pieces = explode($this->_sectionSeparator, $key);
$thisSection = trim($pieces[0]);
switch (count($pieces)) {
case 1:
$iniArray[$thisSection] = $data;
break;
case 2:
$extendedSection = trim($pieces[1]);
$iniArray[$thisSection] = array_merge(array(';extends'=>$extendedSection), $data);
break;
default:
/**
* @see Zend_Config_Exception
*/
require_once 'Zend/Config/Exception.php';
throw new Zend_Config_Exception("Section '$thisSection' may not extend multiple sections in $filename");
}
}
return $iniArray;
}
/**
* Process each element in the section and handle the ";extends" inheritance
* key. Passes control to _processKey() to handle the nest separator
* sub-property syntax that may be used within the key name.
*
* @param array $iniArray
* @param string $section
* @param array $config
* @throws Zend_Config_Exception
* @return array
*/
protected function _processSection($iniArray, $section, $config = array())
{
$thisSection = $iniArray[$section];
foreach ($thisSection as $key => $value) {
if (strtolower($key) == ';extends') {
if (isset($iniArray[$value])) {
$this->_assertValidExtend($section, $value);
if (!$this->_skipExtends) {
$config = $this->_processSection($iniArray, $value, $config);
}
} else {
/**
* @see Zend_Config_Exception
*/
require_once 'Zend/Config/Exception.php';
throw new Zend_Config_Exception("Parent section '$section' cannot be found");
}
} else {
$config = $this->_processKey($config, $key, $value);
}
}
return $config;
}
/**
* Assign the key's value to the property list. Handles the
* nest separator for sub-properties.
*
* @param array $config
* @param string $key
* @param string $value
* @throws Zend_Config_Exception
* @return array
*/
protected function _processKey($config, $key, $value)
{
if (strpos($key, $this->_nestSeparator) !== false) {
$pieces = explode($this->_nestSeparator, $key, 2);
if (strlen($pieces[0]) && strlen($pieces[1])) {
if (!isset($config[$pieces[0]])) {
if ($pieces[0] === '0' && !empty($config)) {
// convert the current values in $config into an array
$config = array($pieces[0] => $config);
} else {
$config[$pieces[0]] = array();
}
} elseif (!is_array($config[$pieces[0]])) {
/**
* @see Zend_Config_Exception
*/
require_once 'Zend/Config/Exception.php';
throw new Zend_Config_Exception("Cannot create sub-key for '{$pieces[0]}' as key already exists");
}
$config[$pieces[0]] = $this->_processKey($config[$pieces[0]], $pieces[1], $value);
} else {
/**
* @see Zend_Config_Exception
*/
require_once 'Zend/Config/Exception.php';
throw new Zend_Config_Exception("Invalid key '$key'");
}
} else {
$config[$key] = $value;
}
return $config;
}
} |
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