/library/Zend/Config/Ini.php
PHP | 254 lines | 116 code | 16 blank | 122 comment | 24 complexity | e51bc03d54ebfe98aa6c76986cba2777 MD5 | raw file
- <?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) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- * @version $Id: Ini.php 11209 2008-09-03 14:42:23Z ralph $
- */
- /**
- * @see Zend_Config
- */
- require_once 'Zend/Config.php';
- /**
- * @category Zend
- * @package Zend_Config
- * @copyright Copyright (c) 2005-2008 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 = '.';
- /**
- * 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 two configuration
- * directives that may be set. For example:
- *
- * $options = array(
- * 'allowModifications' => false,
- * 'nestSeparator' => '->'
- * );
- *
- * @param string $filename
- * @param string|null $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) $options['nestSeparator'];
- }
- }
- set_error_handler(array($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);
- }
-
- $preProcessedArray = array();
- foreach ($iniArray as $key => $data)
- {
- $bits = explode(':', $key);
- $thisSection = trim($bits[0]);
- switch (count($bits)) {
- case 1:
- $preProcessedArray[$thisSection] = $data;
- break;
- case 2:
- $extendedSection = trim($bits[1]);
- $preProcessedArray[$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");
- }
- }
- if (null === $section) {
- $dataArray = array();
- foreach ($preProcessedArray as $sectionName => $sectionData) {
- if(!is_array($sectionData)) {
- $dataArray = array_merge_recursive($dataArray, $this->_processKey(array(), $sectionName, $sectionData));
- } else {
- $dataArray[$sectionName] = $this->_processExtends($preProcessedArray, $sectionName);
- }
- }
- parent::__construct($dataArray, $allowModifications);
- } elseif (is_array($section)) {
- $dataArray = array();
- foreach ($section as $sectionName) {
- if (!isset($preProcessedArray[$sectionName])) {
- /**
- * @see Zend_Config_Exception
- */
- require_once 'Zend/Config/Exception.php';
- throw new Zend_Config_Exception("Section '$sectionName' cannot be found in $filename");
- }
- $dataArray = array_merge($this->_processExtends($preProcessedArray, $sectionName), $dataArray);
- }
- parent::__construct($dataArray, $allowModifications);
- } else {
- if (!isset($preProcessedArray[$section])) {
- /**
- * @see Zend_Config_Exception
- */
- require_once 'Zend/Config/Exception.php';
- throw new Zend_Config_Exception("Section '$section' cannot be found in $filename");
- }
- parent::__construct($this->_processExtends($preProcessedArray, $section), $allowModifications);
- }
- $this->_loadedSection = $section;
- }
-
- /**
- * Helper function to process each element in the section and handle
- * the "extends" inheritance keyword. Passes control to _processKey()
- * to handle the "dot" sub-property syntax in each key.
- *
- * @param array $iniArray
- * @param string $section
- * @param array $config
- * @throws Zend_Config_Exception
- * @return array
- */
- protected function _processExtends($iniArray, $section, $config = array())
- {
- $thisSection = $iniArray[$section];
- foreach ($thisSection as $key => $value) {
- if (strtolower($key) == ';extends') {
- if (isset($iniArray[$value])) {
- $this->_assertValidExtend($section, $value);
- $config = $this->_processExtends($iniArray, $value, $config);
- } else {
- /**
- * @see Zend_Config_Exception
- */
- require_once 'Zend/Config/Exception.php';
- throw new Zend_Config_Exception("Section '$section' cannot be found");
- }
- } else {
- $config = $this->_processKey($config, $key, $value);
- }
- }
- return $config;
- }
- /**
- * Assign the key's value to the property list. Handle the "dot"
- * notation for sub-properties by passing control to
- * processLevelsInKey().
- *
- * @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]])) {
- $config[$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;
- }
- }